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/* FLAC - Free Lossless Audio Codec
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2014 Xiph.Org Foundation
*
* This file is part the FLAC project. FLAC is comprised of several
* components distributed under different licenses. The codec libraries
* are distributed under Xiph.Org's BSD-like license (see the file
* COPYING.Xiph in this distribution). All other programs, libraries, and
* plugins are distributed under the GPL (see COPYING.GPL). The documentation
* is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
* FLAC distribution contains at the top the terms under which it may be
* distributed.
*
* Since this particular file is relevant to all components of FLAC,
* it may be distributed under the Xiph.Org license, which is the least
* restrictive of those mentioned above. See the file COPYING.Xiph in this
* distribution.
*/
Current FLAC maintainer: Erik de Castro Lopo <erikd@mega-nerd.com>
Original author: Josh Coalson <jcoalson@users.sourceforge.net>
Website : https://www.xiph.org/flac/
FLAC is an Open Source lossless audio codec originally developed by Josh Coalson
between 2001 and 2009. From 2009 to 2012 FLAC was basically unmaintained. In
2012 the Erik de Castro Lopo became the chief maintainer as part of the
Xiph.Org Foundation.
Other major contributors and their contributions:
"lvqcl" <lvqcl@users.sourceforge.net>
* Visual Studio build system.
* Optimisations in the encoder and decoder.
"Janne Hyvärinen" <cse@sci.fi>
* Visual Studio build system.
* Unicode handling on Windows.
"Andrey Astafiev" <andrei@tvcell.ru>
* Russian translation of the HTML documentation
"Miroslav Lichvar" <lichvarm@phoenix.inf.upol.cz>
* IA-32 assembly versions of several libFLAC routines
"Brady Patterson" <bpat@users.sourceforge.net>
* AIFF file support, PPC assembly versions of libFLAC routines
"Daisuke Shimamura" <Daisuke_Shimamura@nifty.com>
* i18n support in the XMMS plugin
"X-Fixer" <x-fixer@narod.ru>
* Configuration system, tag editing, and file info in the Winamp2 plugin
"Matt Zimmerman" <mdz@debian.org>
* Libtool/autoconf/automake make system, flac man page

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GNU Free Documentation License
Version 1.2, November 2002
Copyright (C) 2000,2001,2002 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
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GNU GENERAL PUBLIC LICENSE
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How to Apply These Terms to Your New Programs
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Ty Coon, President of Vice
That's all there is to it!

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Copyright (C) 2000-2009 Josh Coalson
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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/* FLAC - Free Lossless Audio Codec
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2014 Xiph.Org Foundation
*
* This file is part the FLAC project. FLAC is comprised of several
* components distributed under different licenses. The codec libraries
* are distributed under Xiph.Org's BSD-like license (see the file
* COPYING.Xiph in this distribution). All other programs, libraries, and
* plugins are distributed under the LGPL or GPL (see COPYING.LGPL and
* COPYING.GPL). The documentation is distributed under the Gnu FDL (see
* COPYING.FDL). Each file in the FLAC distribution contains at the top the
* terms under which it may be distributed.
*
* Since this particular file is relevant to all components of FLAC,
* it may be distributed under the Xiph.Org license, which is the least
* restrictive of those mentioned above. See the file COPYING.Xiph in this
* distribution.
*/
FLAC is an Open Source lossless audio codec developed by Josh Coalson from 2001
to 2009.
From January 2012 FLAC is being maintained by Erik de Castro Lopo under the
auspices of the Xiph.org Foundation.
FLAC is comprised of
* `libFLAC', a library which implements reference encoders and
decoders for native FLAC and Ogg FLAC, and a metadata interface
* `libFLAC++', a C++ object wrapper library around libFLAC
* `flac', a command-line program for encoding and decoding files
* `metaflac', a command-line program for viewing and editing FLAC
metadata
* player plugin for XMMS
* user and API documentation
The libraries (libFLAC, libFLAC++) are
licensed under Xiph.org's BSD-like license (see COPYING.Xiph). All other
programs and plugins are licensed under the GNU General Public License
(see COPYING.GPL). The documentation is licensed under the GNU Free
Documentation License (see COPYING.FDL).
===============================================================================
FLAC - 1.3.1 - Contents
===============================================================================
- Introduction
- Prerequisites
- Note to embedded developers
- Building in a GNU environment
- Building with Makefile.lite
- Building with MSVC
- Building on Mac OS X
===============================================================================
Introduction
===============================================================================
This is the source release for the FLAC project. See
doc/html/index.html
for full documentation.
A brief description of the directory tree:
doc/ the HTML documentation
examples/ example programs demonstrating the use of libFLAC and libFLAC++
include/ public include files for libFLAC and libFLAC++
man/ the man pages for `flac' and `metaflac'
src/ the source code and private headers
test/ the test scripts
If you have questions about building FLAC that this document does not answer,
please submit them at the following tracker so this document can be improved:
https://sourceforge.net/p/flac/support-requests/
===============================================================================
Prerequisites
===============================================================================
To build FLAC with support for Ogg FLAC you must have built and installed
libogg according to the specific instructions below. You must have
libogg 1.1.2 or greater, or there will be seeking problems with Ogg FLAC.
If you are building on x86 and want the assembly optimizations, you will
need to have NASM >= 0.98.30 installed according to the specific instructions
below.
===============================================================================
Note to embedded developers
===============================================================================
libFLAC has grown larger over time as more functionality has been
included, but much of it may be unnecessary for a particular embedded
implementation. Unused parts may be pruned by some simple editing of
configure.ac and src/libFLAC/Makefile.am; the following dependency
graph shows which modules may be pruned without breaking things
further down:
metadata.h
stream_decoder.h
format.h
stream_encoder.h
stream_decoder.h
format.h
stream_decoder.h
format.h
In other words, for pure decoding applications, both the stream encoder
and metadata editing interfaces can be safely removed.
There is a section dedicated to embedded use in the libFLAC API
HTML documentation (see doc/html/api/index.html).
Also, there are several places in the libFLAC code with comments marked
with "OPT:" where a #define can be changed to enable code that might be
faster on a specific platform. Experimenting with these can yield faster
binaries.
===============================================================================
Building in a GNU environment
===============================================================================
FLAC uses autoconf and libtool for configuring and building.
Better documentation for these will be forthcoming, but in
general, this should work:
./configure && make && make check && make install
The 'make check' step is optional; omit it to skip all the tests,
which can take several hours and use around 70-80 megs of disk space.
Even though it will stop with an explicit message on any failure, it
does print out a lot of stuff so you might want to capture the output
to a file if you're having a problem. Also, don't run 'make check'
as root because it confuses some of the tests.
NOTE: Despite our best efforts it's entirely possible to have
problems when using older versions of autoconf, automake, or
libtool. If you have the latest versions and still can't get it
to work, see the next section on Makefile.lite.
There are a few FLAC-specific arguments you can give to
`configure':
--enable-debug : Builds everything with debug symbols and some
extra (and more verbose) error checking.
--disable-asm-optimizations : Disables the compilation of the
assembly routines. Many routines have assembly versions for
speed and `configure' is pretty good about knowing what is
supported, but you can use this option to build only from the
C sources. May be necessary for building on OS X (Intel).
--enable-sse : If you are building for an x86 CPU that supports
SSE instructions, you can enable some of the faster routines
if your operating system also supports SSE instructions. flac
can tell if the CPU supports the instructions but currently has
no way to test if the OS does, so if it does, you must pass
this argument to configure to use the SSE routines. If flac
crashes when built with this option you will have to go back and
configure without --enable-sse. Note that
--disable-asm-optimizations implies --disable-sse.
--enable-local-xmms-plugin : Installs the FLAC XMMS plugin in
$HOME/.xmms/Plugins, instead of the global XMMS plugin area
(usually /usr/lib/xmms/Input).
--with-ogg=
--with-xmms-prefix=
--with-libiconv-prefix=
Use these if you have these packages but configure can't find them.
If you want to build completely from scratch (i.e. starting with just
configure.ac and Makefile.am) you should be able to just run 'autogen.sh'
but make sure and read the comments in that file first.
===============================================================================
Building with Makefile.lite
===============================================================================
There is a more lightweight build system for do-it-yourself-ers.
It is also useful if configure isn't working, which may be the
case since lately we've had some problems with different versions
of automake and libtool. The Makefile.lite system should work
on GNU systems with few or no adjustments.
From the top level just 'make -f Makefile.lite'. You can
specify zero or one optional target from 'release', 'debug',
'test', or 'clean'. The default is 'release'. There is no
'install' target but everything you need will end up in the
obj/ directory.
If you are not on an x86 system or you don't have nasm, you
may have to change the DEFINES in src/libFLAC/Makefile.lite. If
you don't have nasm, remove -DFLAC__HAS_NASM. If your target is
not an x86, change -DFLAC__CPU_IA32 to -DFLAC__CPU_UNKNOWN.
===============================================================================
Building with MSVC
===============================================================================
There are .vcproj projects and a master FLAC.sln solution to build all
the libraries and executables with MSVC 2005 or newer.
Prerequisite: you must have the Ogg libraries installed as described
later.
Prerequisite: you must have nasm installed, and nasm.exe must be in
your PATH, or the path to nasm.exe must be added to the list of
directories for executable files in the MSVC global options.
To build everything, run Visual Studio, do File|Open and open FLAC.sln.
From the dropdown in the toolbar, select "Release" instead of "Debug",
then do Build|Build Solution.
This will build all libraries both statically (e.g.
objs\release\lib\libFLAC_static.lib) and as DLLs (e.g.
objs\release\lib\libFLAC.dll), and it will build all binaries, statically
linked (e.g. objs\release\bin\flac.exe).
Everything will end up in the "objs" directory. DLLs and .exe files
are all that are needed and can be copied to an installation area and
added to the PATH.
By default the code is configured with Ogg support. Before building FLAC
you will need to get the Ogg source distribution
(see http://xiph.org/downloads/), build libogg_static.lib (load
win32\libogg_static.sln, change solution configuration to "Release" and
code generation to "Multi-threaded (/MT)", then build), copy libogg_static.lib
into FLAC's 'objs\release\lib' directory, and copy the entire include\ogg tree
into FLAC's 'include' directory (so that there is an 'ogg' directory in FLAC's
'include' directory with the files ogg.h, os_types.h and config_types.h).
If you want to build without Ogg support, instead edit all .vcproj files
and remove any "FLAC__HAS_OGG" definitions.
===============================================================================
Building on Mac OS X
===============================================================================
If you have Fink or a recent version of OS X with the proper autotools,
the GNU flow above should work.

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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android/log.h>
#include <jni.h>
#include <stdlib.h>
extern "C" {
#ifdef __cplusplus
#define __STDC_CONSTANT_MACROS
#ifdef _STDINT_H
#undef _STDINT_H
#endif
#include <stdint.h>
#endif
#include <libavcodec/avcodec.h>
#include <libavutil/channel_layout.h>
#include <libavutil/error.h>
#include <libavutil/opt.h>
#include <libswresample/swresample.h>
}
#define LOG_TAG "ffmpeg_jni"
#define LOGE(...) \
((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
#define LIBRARY_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__)
#define AUDIO_DECODER_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegAudioDecoder_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegAudioDecoder_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__)
#define ERROR_STRING_BUFFER_LENGTH 256
// Output format corresponding to AudioFormat.ENCODING_PCM_16BIT.
static const AVSampleFormat OUTPUT_FORMAT_PCM_16BIT = AV_SAMPLE_FMT_S16;
// Output format corresponding to AudioFormat.ENCODING_PCM_FLOAT.
static const AVSampleFormat OUTPUT_FORMAT_PCM_FLOAT = AV_SAMPLE_FMT_FLT;
static const int AUDIO_DECODER_ERROR_INVALID_DATA = -1;
static const int AUDIO_DECODER_ERROR_OTHER = -2;
/**
* Returns the AVCodec with the specified name, or NULL if it is not available.
*/
AVCodec *getCodecByName(JNIEnv *env, jstring codecName);
/**
* Allocates and opens a new AVCodecContext for the specified codec, passing the
* provided extraData as initialization data for the decoder if it is non-NULL.
* Returns the created context.
*/
AVCodecContext *createContext(JNIEnv *env, AVCodec *codec, jbyteArray extraData,
jboolean outputFloat, jint rawSampleRate,
jint rawChannelCount);
/**
* Decodes the packet into the output buffer, returning the number of bytes
* written, or a negative AUDIO_DECODER_ERROR constant value in the case of an
* error.
*/
int decodePacket(AVCodecContext *context, AVPacket *packet,
uint8_t *outputBuffer, int outputSize);
/**
* Transforms ffmpeg AVERROR into a negative AUDIO_DECODER_ERROR constant value.
*/
int transformError(int errorNumber);
/**
* Outputs a log message describing the avcodec error number.
*/
void logError(const char *functionName, int errorNumber);
/**
* Releases the specified context.
*/
void releaseContext(AVCodecContext *context);
LIBRARY_FUNC(jstring, ffmpegGetVersion) {
return env->NewStringUTF(LIBAVCODEC_IDENT);
}
LIBRARY_FUNC(jint, ffmpegGetInputBufferPaddingSize) {
return (jint)AV_INPUT_BUFFER_PADDING_SIZE;
}
LIBRARY_FUNC(jboolean, ffmpegHasDecoder, jstring codecName) {
return getCodecByName(env, codecName) != NULL;
}
AUDIO_DECODER_FUNC(jlong, ffmpegInitialize, jstring codecName,
jbyteArray extraData, jboolean outputFloat,
jint rawSampleRate, jint rawChannelCount) {
AVCodec *codec = getCodecByName(env, codecName);
if (!codec) {
LOGE("Codec not found.");
return 0L;
}
return (jlong)createContext(env, codec, extraData, outputFloat, rawSampleRate,
rawChannelCount);
}
AUDIO_DECODER_FUNC(jint, ffmpegDecode, jlong context, jobject inputData,
jint inputSize, jobject outputData, jint outputSize) {
if (!context) {
LOGE("Context must be non-NULL.");
return -1;
}
if (!inputData || !outputData) {
LOGE("Input and output buffers must be non-NULL.");
return -1;
}
if (inputSize < 0) {
LOGE("Invalid input buffer size: %d.", inputSize);
return -1;
}
if (outputSize < 0) {
LOGE("Invalid output buffer length: %d", outputSize);
return -1;
}
uint8_t *inputBuffer = (uint8_t *)env->GetDirectBufferAddress(inputData);
uint8_t *outputBuffer = (uint8_t *)env->GetDirectBufferAddress(outputData);
AVPacket packet;
av_init_packet(&packet);
packet.data = inputBuffer;
packet.size = inputSize;
return decodePacket((AVCodecContext *)context, &packet, outputBuffer,
outputSize);
}
AUDIO_DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) {
if (!context) {
LOGE("Context must be non-NULL.");
return -1;
}
return ((AVCodecContext *)context)->channels;
}
AUDIO_DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) {
if (!context) {
LOGE("Context must be non-NULL.");
return -1;
}
return ((AVCodecContext *)context)->sample_rate;
}
AUDIO_DECODER_FUNC(jlong, ffmpegReset, jlong jContext, jbyteArray extraData) {
AVCodecContext *context = (AVCodecContext *)jContext;
if (!context) {
LOGE("Tried to reset without a context.");
return 0L;
}
AVCodecID codecId = context->codec_id;
if (codecId == AV_CODEC_ID_TRUEHD) {
// Release and recreate the context if the codec is TrueHD.
// TODO: Figure out why flushing doesn't work for this codec.
releaseContext(context);
AVCodec *codec = avcodec_find_decoder(codecId);
if (!codec) {
LOGE("Unexpected error finding codec %d.", codecId);
return 0L;
}
jboolean outputFloat =
(jboolean)(context->request_sample_fmt == OUTPUT_FORMAT_PCM_FLOAT);
return (jlong)createContext(env, codec, extraData, outputFloat,
/* rawSampleRate= */ -1,
/* rawChannelCount= */ -1);
}
avcodec_flush_buffers(context);
return (jlong)context;
}
AUDIO_DECODER_FUNC(void, ffmpegRelease, jlong context) {
if (context) {
releaseContext((AVCodecContext *)context);
}
}
AVCodec *getCodecByName(JNIEnv *env, jstring codecName) {
if (!codecName) {
return NULL;
}
const char *codecNameChars = env->GetStringUTFChars(codecName, NULL);
AVCodec *codec = avcodec_find_decoder_by_name(codecNameChars);
env->ReleaseStringUTFChars(codecName, codecNameChars);
return codec;
}
AVCodecContext *createContext(JNIEnv *env, AVCodec *codec, jbyteArray extraData,
jboolean outputFloat, jint rawSampleRate,
jint rawChannelCount) {
AVCodecContext *context = avcodec_alloc_context3(codec);
if (!context) {
LOGE("Failed to allocate context.");
return NULL;
}
context->request_sample_fmt =
outputFloat ? OUTPUT_FORMAT_PCM_FLOAT : OUTPUT_FORMAT_PCM_16BIT;
if (extraData) {
jsize size = env->GetArrayLength(extraData);
context->extradata_size = size;
context->extradata =
(uint8_t *)av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!context->extradata) {
LOGE("Failed to allocate extradata.");
releaseContext(context);
return NULL;
}
env->GetByteArrayRegion(extraData, 0, size, (jbyte *)context->extradata);
}
if (context->codec_id == AV_CODEC_ID_PCM_MULAW ||
context->codec_id == AV_CODEC_ID_PCM_ALAW) {
context->sample_rate = rawSampleRate;
context->channels = rawChannelCount;
context->channel_layout = av_get_default_channel_layout(rawChannelCount);
}
context->err_recognition = AV_EF_IGNORE_ERR;
int result = avcodec_open2(context, codec, NULL);
if (result < 0) {
logError("avcodec_open2", result);
releaseContext(context);
return NULL;
}
return context;
}
int get_swr_context(AVCodecContext *context, SwrContext **out) {
AVSampleFormat sampleFormat = context->sample_fmt;
// int channelCount = context->channels;
int channelLayout = context->channel_layout;
int sampleRate = context->sample_rate;
SwrContext *resampleContext = nullptr;
if (context->opaque) {
resampleContext = (SwrContext *) context->opaque;
int64_t value;
if (
(av_opt_get_int(resampleContext, "in_channel_layout", 0, &value) < 0 || value != channelLayout) ||
(av_opt_get_int(resampleContext, "out_channel_layout", 0, &value) < 0 || value != channelLayout) ||
(av_opt_get_int(resampleContext, "in_sample_rate", 0, &value) < 0 || value != sampleRate) ||
(av_opt_get_int(resampleContext, "out_sample_rate", 0, &value) < 0 || value != sampleRate) ||
(av_opt_get_int(resampleContext, "in_sample_fmt", 0, &value) < 0 || value != sampleFormat) ||
(av_opt_get_int(resampleContext, "out_sample_fmt", 0, &value) < 0 || value != context->request_sample_fmt)
) {
swr_free(&resampleContext);
context->opaque = NULL;
resampleContext = NULL;
}
}
if (resampleContext == NULL) {
resampleContext = swr_alloc();
av_opt_set_int(resampleContext, "in_channel_layout", channelLayout, 0);
av_opt_set_int(resampleContext, "out_channel_layout", channelLayout, 0);
av_opt_set_int(resampleContext, "in_sample_rate", sampleRate, 0);
av_opt_set_int(resampleContext, "out_sample_rate", sampleRate, 0);
av_opt_set_int(resampleContext, "in_sample_fmt", sampleFormat, 0);
// The output format is always the requested format.
av_opt_set_int(resampleContext, "out_sample_fmt", context->request_sample_fmt, 0);
int result = swr_init(resampleContext);
if (result < 0) {
return result;
}
context->opaque = resampleContext;
}
*out = resampleContext;
return 0;
}
int decodePacket(AVCodecContext *context, AVPacket *packet,
uint8_t *outputBuffer, int outputSize) {
int result = 0;
// Queue input data.
result = avcodec_send_packet(context, packet);
if (result) {
logError("avcodec_send_packet", result);
return transformError(result);
}
// Dequeue output data until it runs out.
int outSize = 0;
while (true) {
AVFrame *frame = av_frame_alloc();
if (!frame) {
LOGE("Failed to allocate output frame.");
return AUDIO_DECODER_ERROR_INVALID_DATA;
}
result = avcodec_receive_frame(context, frame);
if (result) {
av_frame_free(&frame);
if (result == AVERROR(EAGAIN)) {
break;
}
logError("avcodec_receive_frame", result);
return transformError(result);
}
// Resample output.
AVSampleFormat sampleFormat = context->sample_fmt;
int channelCount = context->channels;
int sampleCount = frame->nb_samples;
SwrContext *resampleContext;
int result;
if ((result = get_swr_context(context, &resampleContext)) < 0) {
logError("swr_init", result);
av_frame_free(&frame);
return transformError(result);
}
int inSampleSize = av_get_bytes_per_sample(sampleFormat);
int outSampleSize = av_get_bytes_per_sample(context->request_sample_fmt);
int outSamples = swr_get_out_samples(resampleContext, sampleCount);
int bufferOutSize = outSampleSize * channelCount * outSamples;
if (outSize + bufferOutSize > outputSize) {
LOGE("Output buffer size (%d) too small for output data (%d).",
outputSize, outSize + bufferOutSize);
av_frame_free(&frame);
return AUDIO_DECODER_ERROR_INVALID_DATA;
}
result = swr_convert(resampleContext, &outputBuffer, bufferOutSize,
(const uint8_t **)frame->data, frame->nb_samples);
av_frame_free(&frame);
if (result < 0) {
logError("swr_convert", result);
return AUDIO_DECODER_ERROR_INVALID_DATA;
}
int available = swr_get_out_samples(resampleContext, 0);
if (available != 0) {
LOGE("Expected no samples remaining after resampling, but found %d.",
available);
return AUDIO_DECODER_ERROR_INVALID_DATA;
}
outputBuffer += bufferOutSize;
outSize += bufferOutSize;
}
return outSize;
}
int transformError(int errorNumber) {
return errorNumber == AVERROR_INVALIDDATA ? AUDIO_DECODER_ERROR_INVALID_DATA
: AUDIO_DECODER_ERROR_OTHER;
}
void logError(const char *functionName, int errorNumber) {
char *buffer = (char *)malloc(ERROR_STRING_BUFFER_LENGTH * sizeof(char));
av_strerror(errorNumber, buffer, ERROR_STRING_BUFFER_LENGTH);
LOGE("Error in %s: %s", functionName, buffer);
free(buffer);
}
void releaseContext(AVCodecContext *context) {
if (!context) {
return;
}
SwrContext *swrContext;
if ((swrContext = (SwrContext *)context->opaque)) {
swr_free(&swrContext);
context->opaque = NULL;
}
avcodec_free_context(&context);
}

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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android/log.h>
#include <jni.h>
#include <array>
#include <cstdlib>
#include <cstring>
#include "include/flac_parser.h"
#define LOG_TAG "flac_jni"
#define ALOGE(...) \
((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
#define ALOGV(...) \
((void)__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#define DECODER_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_flac_FlacDecoderJni_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_flac_FlacDecoderJni_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__)
class JavaDataSource : public DataSource {
public:
void setFlacDecoderJni(JNIEnv *env, jobject flacDecoderJni) {
this->env = env;
this->flacDecoderJni = flacDecoderJni;
if (mid == NULL) {
jclass cls = env->GetObjectClass(flacDecoderJni);
mid = env->GetMethodID(cls, "read", "(Ljava/nio/ByteBuffer;)I");
env->DeleteLocalRef(cls);
}
}
ssize_t readAt(off64_t offset, void *const data, size_t size) {
jobject byteBuffer = env->NewDirectByteBuffer(data, size);
int result = env->CallIntMethod(flacDecoderJni, mid, byteBuffer);
if (env->ExceptionCheck()) {
// Exception is thrown in Java when returning from the native call.
result = -1;
}
env->DeleteLocalRef(byteBuffer);
return result;
}
private:
JNIEnv *env;
jobject flacDecoderJni;
jmethodID mid;
};
struct Context {
JavaDataSource *source;
FLACParser *parser;
Context() {
source = new JavaDataSource();
parser = new FLACParser(source);
}
~Context() {
delete parser;
delete source;
}
};
DECODER_FUNC(jlong, flacInit) {
Context *context = new Context;
if (!context->parser->init()) {
delete context;
return 0;
}
return reinterpret_cast<intptr_t>(context);
}
DECODER_FUNC(jobject, flacDecodeMetadata, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
context->source->setFlacDecoderJni(env, thiz);
if (!context->parser->decodeMetadata()) {
return NULL;
}
jclass arrayListClass = env->FindClass("java/util/ArrayList");
jmethodID arrayListConstructor =
env->GetMethodID(arrayListClass, "<init>", "()V");
jobject commentList = env->NewObject(arrayListClass, arrayListConstructor);
jmethodID arrayListAddMethod =
env->GetMethodID(arrayListClass, "add", "(Ljava/lang/Object;)Z");
if (context->parser->areVorbisCommentsValid()) {
std::vector<std::string> vorbisComments =
context->parser->getVorbisComments();
for (std::vector<std::string>::const_iterator vorbisComment =
vorbisComments.begin();
vorbisComment != vorbisComments.end(); ++vorbisComment) {
jstring commentString = env->NewStringUTF((*vorbisComment).c_str());
env->CallBooleanMethod(commentList, arrayListAddMethod, commentString);
env->DeleteLocalRef(commentString);
}
}
jobject pictureFrames = env->NewObject(arrayListClass, arrayListConstructor);
bool picturesValid = context->parser->arePicturesValid();
if (picturesValid) {
std::vector<FlacPicture> pictures = context->parser->getPictures();
jclass pictureFrameClass = env->FindClass(
"com/google/android/exoplayer2/metadata/flac/PictureFrame");
jmethodID pictureFrameConstructor =
env->GetMethodID(pictureFrameClass, "<init>",
"(ILjava/lang/String;Ljava/lang/String;IIII[B)V");
for (std::vector<FlacPicture>::const_iterator picture = pictures.begin();
picture != pictures.end(); ++picture) {
jstring mimeType = env->NewStringUTF(picture->mimeType.c_str());
jstring description = env->NewStringUTF(picture->description.c_str());
jbyteArray pictureData = env->NewByteArray(picture->data.size());
env->SetByteArrayRegion(pictureData, 0, picture->data.size(),
(signed char *)&picture->data[0]);
jobject pictureFrame = env->NewObject(
pictureFrameClass, pictureFrameConstructor, picture->type, mimeType,
description, picture->width, picture->height, picture->depth,
picture->colors, pictureData);
env->CallBooleanMethod(pictureFrames, arrayListAddMethod, pictureFrame);
env->DeleteLocalRef(mimeType);
env->DeleteLocalRef(description);
env->DeleteLocalRef(pictureData);
}
}
const FLAC__StreamMetadata_StreamInfo &streamInfo =
context->parser->getStreamInfo();
jclass flacStreamMetadataClass = env->FindClass(
"com/google/android/exoplayer2/extractor/"
"FlacStreamMetadata");
jmethodID flacStreamMetadataConstructor =
env->GetMethodID(flacStreamMetadataClass, "<init>",
"(IIIIIIIJLjava/util/ArrayList;Ljava/util/ArrayList;)V");
return env->NewObject(flacStreamMetadataClass, flacStreamMetadataConstructor,
streamInfo.min_blocksize, streamInfo.max_blocksize,
streamInfo.min_framesize, streamInfo.max_framesize,
streamInfo.sample_rate, streamInfo.channels,
streamInfo.bits_per_sample, streamInfo.total_samples,
commentList, pictureFrames);
}
DECODER_FUNC(jint, flacDecodeToBuffer, jlong jContext, jobject jOutputBuffer) {
Context *context = reinterpret_cast<Context *>(jContext);
context->source->setFlacDecoderJni(env, thiz);
void *outputBuffer = env->GetDirectBufferAddress(jOutputBuffer);
jint outputSize = env->GetDirectBufferCapacity(jOutputBuffer);
return context->parser->readBuffer(outputBuffer, outputSize);
}
DECODER_FUNC(jint, flacDecodeToArray, jlong jContext, jbyteArray jOutputArray) {
Context *context = reinterpret_cast<Context *>(jContext);
context->source->setFlacDecoderJni(env, thiz);
jbyte *outputBuffer = env->GetByteArrayElements(jOutputArray, NULL);
jint outputSize = env->GetArrayLength(jOutputArray);
int count = context->parser->readBuffer(outputBuffer, outputSize);
env->ReleaseByteArrayElements(jOutputArray, outputBuffer, 0);
return count;
}
DECODER_FUNC(jlong, flacGetDecodePosition, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
return context->parser->getDecodePosition();
}
DECODER_FUNC(jlong, flacGetLastFrameTimestamp, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
return context->parser->getLastFrameTimestamp();
}
DECODER_FUNC(jlong, flacGetLastFrameFirstSampleIndex, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
return context->parser->getLastFrameFirstSampleIndex();
}
DECODER_FUNC(jlong, flacGetNextFrameFirstSampleIndex, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
return context->parser->getNextFrameFirstSampleIndex();
}
DECODER_FUNC(jboolean, flacGetSeekPoints, jlong jContext, jlong timeUs,
jlongArray outSeekPoints) {
Context *context = reinterpret_cast<Context *>(jContext);
std::array<int64_t, 4> result;
bool success = context->parser->getSeekPositions(timeUs, result);
if (success) {
env->SetLongArrayRegion(outSeekPoints, 0, result.size(), result.data());
}
return success;
}
DECODER_FUNC(jstring, flacGetStateString, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
const char *str = context->parser->getDecoderStateString();
return env->NewStringUTF(str);
}
DECODER_FUNC(jboolean, flacIsDecoderAtEndOfStream, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
return context->parser->isDecoderAtEndOfStream();
}
DECODER_FUNC(void, flacFlush, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
context->parser->flush();
}
DECODER_FUNC(void, flacReset, jlong jContext, jlong newPosition) {
Context *context = reinterpret_cast<Context *>(jContext);
context->parser->reset(newPosition);
}
DECODER_FUNC(void, flacRelease, jlong jContext) {
Context *context = reinterpret_cast<Context *>(jContext);
delete context;
}

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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "include/flac_parser.h"
#include <android/log.h>
#include <jni.h>
#include <cassert>
#include <cstdlib>
#include <cstring>
#define LOG_TAG "FLACParser"
#define ALOGE(...) \
((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
#define ALOGV(...) \
((void)__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
#define LOG_ALWAYS_FATAL(...) \
(__android_log_assert(NULL, LOG_TAG, ##__VA_ARGS__))
#define LITERAL_TO_STRING_INTERNAL(x) #x
#define LITERAL_TO_STRING(x) LITERAL_TO_STRING_INTERNAL(x)
#define TRESPASS() \
LOG_ALWAYS_FATAL(__FILE__ \
":" LITERAL_TO_STRING(__LINE__) " Should not be here.");
#define CHECK(x) \
if (!(x)) ALOGE("Check failed: %s ", #x)
const int endian = 1;
#define isBigEndian() (*(reinterpret_cast<const char *>(&endian)) == 0)
// The FLAC parser calls our C++ static callbacks using C calling conventions,
// inside FLAC__stream_decoder_process_until_end_of_metadata
// and FLAC__stream_decoder_process_single.
// We immediately then call our corresponding C++ instance methods
// with the same parameter list, but discard redundant information.
FLAC__StreamDecoderReadStatus FLACParser::read_callback(
const FLAC__StreamDecoder * /* decoder */, FLAC__byte buffer[],
size_t *bytes, void *client_data) {
return reinterpret_cast<FLACParser *>(client_data)
->readCallback(buffer, bytes);
}
FLAC__StreamDecoderSeekStatus FLACParser::seek_callback(
const FLAC__StreamDecoder * /* decoder */,
FLAC__uint64 absolute_byte_offset, void *client_data) {
return reinterpret_cast<FLACParser *>(client_data)
->seekCallback(absolute_byte_offset);
}
FLAC__StreamDecoderTellStatus FLACParser::tell_callback(
const FLAC__StreamDecoder * /* decoder */,
FLAC__uint64 *absolute_byte_offset, void *client_data) {
return reinterpret_cast<FLACParser *>(client_data)
->tellCallback(absolute_byte_offset);
}
FLAC__StreamDecoderLengthStatus FLACParser::length_callback(
const FLAC__StreamDecoder * /* decoder */, FLAC__uint64 *stream_length,
void *client_data) {
return reinterpret_cast<FLACParser *>(client_data)
->lengthCallback(stream_length);
}
FLAC__bool FLACParser::eof_callback(const FLAC__StreamDecoder * /* decoder */,
void *client_data) {
return reinterpret_cast<FLACParser *>(client_data)->eofCallback();
}
FLAC__StreamDecoderWriteStatus FLACParser::write_callback(
const FLAC__StreamDecoder * /* decoder */, const FLAC__Frame *frame,
const FLAC__int32 *const buffer[], void *client_data) {
return reinterpret_cast<FLACParser *>(client_data)
->writeCallback(frame, buffer);
}
void FLACParser::metadata_callback(const FLAC__StreamDecoder * /* decoder */,
const FLAC__StreamMetadata *metadata,
void *client_data) {
reinterpret_cast<FLACParser *>(client_data)->metadataCallback(metadata);
}
void FLACParser::error_callback(const FLAC__StreamDecoder * /* decoder */,
FLAC__StreamDecoderErrorStatus status,
void *client_data) {
reinterpret_cast<FLACParser *>(client_data)->errorCallback(status);
}
// These are the corresponding callbacks with C++ calling conventions
FLAC__StreamDecoderReadStatus FLACParser::readCallback(FLAC__byte buffer[],
size_t *bytes) {
size_t requested = *bytes;
ssize_t actual = mDataSource->readAt(mCurrentPos, buffer, requested);
if (0 > actual) {
*bytes = 0;
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
} else if (0 == actual) {
*bytes = 0;
mEOF = true;
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
} else {
assert(actual <= requested);
*bytes = actual;
mCurrentPos += actual;
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
}
FLAC__StreamDecoderSeekStatus FLACParser::seekCallback(
FLAC__uint64 absolute_byte_offset) {
mCurrentPos = absolute_byte_offset;
mEOF = false;
return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
}
FLAC__StreamDecoderTellStatus FLACParser::tellCallback(
FLAC__uint64 *absolute_byte_offset) {
*absolute_byte_offset = mCurrentPos;
return FLAC__STREAM_DECODER_TELL_STATUS_OK;
}
FLAC__StreamDecoderLengthStatus FLACParser::lengthCallback(
FLAC__uint64 *stream_length) {
return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
}
FLAC__bool FLACParser::eofCallback() { return mEOF; }
FLAC__StreamDecoderWriteStatus FLACParser::writeCallback(
const FLAC__Frame *frame, const FLAC__int32 *const buffer[]) {
if (mWriteRequested) {
mWriteRequested = false;
// FLAC parser doesn't free or realloc buffer until next frame or finish
mWriteHeader = frame->header;
mWriteBuffer = buffer;
mWriteCompleted = true;
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
} else {
ALOGE("FLACParser::writeCallback unexpected");
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
}
void FLACParser::metadataCallback(const FLAC__StreamMetadata *metadata) {
switch (metadata->type) {
case FLAC__METADATA_TYPE_STREAMINFO:
if (!mStreamInfoValid) {
mStreamInfo = metadata->data.stream_info;
mStreamInfoValid = true;
} else {
ALOGE("FLACParser::metadataCallback unexpected STREAMINFO");
}
break;
case FLAC__METADATA_TYPE_SEEKTABLE:
mSeekTable = &metadata->data.seek_table;
break;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
if (!mVorbisCommentsValid) {
FLAC__StreamMetadata_VorbisComment vorbisComment =
metadata->data.vorbis_comment;
for (FLAC__uint32 i = 0; i < vorbisComment.num_comments; ++i) {
FLAC__StreamMetadata_VorbisComment_Entry vorbisCommentEntry =
vorbisComment.comments[i];
if (vorbisCommentEntry.entry != NULL) {
std::string comment(
reinterpret_cast<char *>(vorbisCommentEntry.entry),
vorbisCommentEntry.length);
mVorbisComments.push_back(comment);
}
}
mVorbisCommentsValid = true;
} else {
ALOGE("FLACParser::metadataCallback unexpected VORBISCOMMENT");
}
break;
case FLAC__METADATA_TYPE_PICTURE: {
const FLAC__StreamMetadata_Picture *parsedPicture =
&metadata->data.picture;
FlacPicture picture;
picture.mimeType.assign(std::string(parsedPicture->mime_type));
picture.description.assign(
std::string((char *)parsedPicture->description));
picture.data.assign(parsedPicture->data,
parsedPicture->data + parsedPicture->data_length);
picture.width = parsedPicture->width;
picture.height = parsedPicture->height;
picture.depth = parsedPicture->depth;
picture.colors = parsedPicture->colors;
picture.type = parsedPicture->type;
mPictures.push_back(picture);
mPicturesValid = true;
break;
}
default:
ALOGE("FLACParser::metadataCallback unexpected type %u", metadata->type);
break;
}
}
void FLACParser::errorCallback(FLAC__StreamDecoderErrorStatus status) {
ALOGE("FLACParser::errorCallback status=%d", status);
mErrorStatus = status;
}
// Copy samples from FLAC native 32-bit non-interleaved to
// correct bit-depth (non-zero padded), interleaved.
// These are candidates for optimization if needed.
static void copyToByteArrayBigEndian(int8_t *dst, const int *const *src,
unsigned bytesPerSample, unsigned nSamples,
unsigned nChannels) {
for (unsigned i = 0; i < nSamples; ++i) {
for (unsigned c = 0; c < nChannels; ++c) {
// point to the first byte of the source address
// and then skip the first few bytes (most significant bytes)
// depending on the bit depth
const int8_t *byteSrc =
reinterpret_cast<const int8_t *>(&src[c][i]) + 4 - bytesPerSample;
memcpy(dst, byteSrc, bytesPerSample);
dst = dst + bytesPerSample;
}
}
}
static void copyToByteArrayLittleEndian(int8_t *dst, const int *const *src,
unsigned bytesPerSample,
unsigned nSamples, unsigned nChannels) {
for (unsigned i = 0; i < nSamples; ++i) {
for (unsigned c = 0; c < nChannels; ++c) {
// with little endian, the most significant bytes will be at the end
// copy the bytes in little endian will remove the most significant byte
// so we are good here.
memcpy(dst, &(src[c][i]), bytesPerSample);
dst = dst + bytesPerSample;
}
}
}
static void copyTrespass(int8_t * /* dst */, const int *const * /* src */,
unsigned /* bytesPerSample */, unsigned /* nSamples */,
unsigned /* nChannels */) {
TRESPASS();
}
// FLACParser
FLACParser::FLACParser(DataSource *source)
: mDataSource(source),
mCopy(copyTrespass),
mDecoder(NULL),
mCurrentPos(0LL),
mEOF(false),
mStreamInfoValid(false),
mSeekTable(NULL),
firstFrameOffset(0LL),
mVorbisCommentsValid(false),
mPicturesValid(false),
mWriteRequested(false),
mWriteCompleted(false),
mWriteBuffer(NULL),
mErrorStatus((FLAC__StreamDecoderErrorStatus)-1) {
ALOGV("FLACParser::FLACParser");
memset(&mStreamInfo, 0, sizeof(mStreamInfo));
memset(&mWriteHeader, 0, sizeof(mWriteHeader));
}
FLACParser::~FLACParser() {
ALOGV("FLACParser::~FLACParser");
if (mDecoder != NULL) {
FLAC__stream_decoder_delete(mDecoder);
mDecoder = NULL;
}
}
bool FLACParser::init() {
// setup libFLAC parser
mDecoder = FLAC__stream_decoder_new();
if (mDecoder == NULL) {
// The new should succeed, since probably all it does is a malloc
// that always succeeds in Android. But to avoid dependence on the
// libFLAC internals, we check and log here.
ALOGE("new failed");
return false;
}
FLAC__stream_decoder_set_md5_checking(mDecoder, false);
FLAC__stream_decoder_set_metadata_ignore_all(mDecoder);
FLAC__stream_decoder_set_metadata_respond(mDecoder,
FLAC__METADATA_TYPE_STREAMINFO);
FLAC__stream_decoder_set_metadata_respond(mDecoder,
FLAC__METADATA_TYPE_SEEKTABLE);
FLAC__stream_decoder_set_metadata_respond(mDecoder,
FLAC__METADATA_TYPE_VORBIS_COMMENT);
FLAC__stream_decoder_set_metadata_respond(mDecoder,
FLAC__METADATA_TYPE_PICTURE);
FLAC__StreamDecoderInitStatus initStatus;
initStatus = FLAC__stream_decoder_init_stream(
mDecoder, read_callback, seek_callback, tell_callback, length_callback,
eof_callback, write_callback, metadata_callback, error_callback,
reinterpret_cast<void *>(this));
if (initStatus != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
// A failure here probably indicates a programming error and so is
// unlikely to happen. But we check and log here similarly to above.
ALOGE("init_stream failed %d", initStatus);
return false;
}
return true;
}
bool FLACParser::decodeMetadata() {
// parse all metadata
if (!FLAC__stream_decoder_process_until_end_of_metadata(mDecoder)) {
ALOGE("metadata decoding failed");
return false;
}
// store first frame offset
FLAC__stream_decoder_get_decode_position(mDecoder, &firstFrameOffset);
if (mStreamInfoValid) {
// check channel count
if (getChannels() == 0 || getChannels() > 8) {
ALOGE("unsupported channel count %u", getChannels());
return false;
}
// check bit depth
switch (getBitsPerSample()) {
case 8:
case 16:
case 24:
case 32:
break;
default:
ALOGE("unsupported bits per sample %u", getBitsPerSample());
return false;
}
// configure the appropriate copy function based on device endianness.
if (isBigEndian()) {
mCopy = copyToByteArrayBigEndian;
} else {
mCopy = copyToByteArrayLittleEndian;
}
} else {
ALOGE("missing STREAMINFO");
return false;
}
return true;
}
size_t FLACParser::readBuffer(void *output, size_t output_size) {
mWriteRequested = true;
mWriteCompleted = false;
if (!FLAC__stream_decoder_process_single(mDecoder)) {
ALOGE("FLACParser::readBuffer process_single failed. Status: %s",
getDecoderStateString());
return -1;
}
if (!mWriteCompleted) {
if (FLAC__stream_decoder_get_state(mDecoder) !=
FLAC__STREAM_DECODER_END_OF_STREAM) {
ALOGE("FLACParser::readBuffer write did not complete. Status: %s",
getDecoderStateString());
}
return -1;
}
// verify that block header keeps the promises made by STREAMINFO
unsigned blocksize = mWriteHeader.blocksize;
if (blocksize == 0 || blocksize > getMaxBlockSize()) {
ALOGE("FLACParser::readBuffer write invalid blocksize %u", blocksize);
return -1;
}
if (mWriteHeader.sample_rate != getSampleRate() ||
mWriteHeader.channels != getChannels() ||
mWriteHeader.bits_per_sample != getBitsPerSample()) {
ALOGE(
"FLACParser::readBuffer write changed parameters mid-stream: %d/%d/%d "
"-> %d/%d/%d",
getSampleRate(), getChannels(), getBitsPerSample(),
mWriteHeader.sample_rate, mWriteHeader.channels,
mWriteHeader.bits_per_sample);
return -1;
}
unsigned bytesPerSample = getBitsPerSample() >> 3;
size_t bufferSize = blocksize * getChannels() * bytesPerSample;
if (bufferSize > output_size) {
ALOGE(
"FLACParser::readBuffer not enough space in output buffer "
"%zu < %zu",
output_size, bufferSize);
return -1;
}
// copy PCM from FLAC write buffer to our media buffer, with interleaving.
(*mCopy)(reinterpret_cast<int8_t *>(output), mWriteBuffer, bytesPerSample,
blocksize, getChannels());
// fill in buffer metadata
CHECK(mWriteHeader.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
return bufferSize;
}
bool FLACParser::getSeekPositions(int64_t timeUs,
std::array<int64_t, 4> &result) {
if (!mSeekTable) {
return false;
}
unsigned sampleRate = getSampleRate();
int64_t totalSamples = getTotalSamples();
int64_t targetSampleNumber = (timeUs * sampleRate) / 1000000LL;
if (targetSampleNumber >= totalSamples) {
targetSampleNumber = totalSamples - 1;
}
FLAC__StreamMetadata_SeekPoint *points = mSeekTable->points;
unsigned length = mSeekTable->num_points;
for (unsigned i = length; i != 0; i--) {
int64_t sampleNumber = points[i - 1].sample_number;
if (sampleNumber == -1) { // placeholder
continue;
}
if (sampleNumber <= targetSampleNumber) {
result[0] = (sampleNumber * 1000000LL) / sampleRate;
result[1] = firstFrameOffset + points[i - 1].stream_offset;
if (sampleNumber == targetSampleNumber || i >= length ||
points[i].sample_number == -1) { // placeholder
// exact seek, or no following non-placeholder seek point
result[2] = result[0];
result[3] = result[1];
} else {
result[2] = (points[i].sample_number * 1000000LL) / sampleRate;
result[3] = firstFrameOffset + points[i].stream_offset;
}
return true;
}
}
result[0] = 0;
result[1] = firstFrameOffset;
result[2] = 0;
result[3] = firstFrameOffset;
return true;
}

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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDE_DATA_SOURCE_H_
#define INCLUDE_DATA_SOURCE_H_
#include <jni.h>
#include <sys/types.h>
class DataSource {
public:
virtual ~DataSource() {}
// Returns the number of bytes read, or -1 on failure. It's not an error if
// this returns zero; it just means the given offset is equal to, or
// beyond, the end of the source.
virtual ssize_t readAt(off64_t offset, void* const data, size_t size) = 0;
};
#endif // INCLUDE_DATA_SOURCE_H_

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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FLAC_PARSER_H_
#define FLAC_PARSER_H_
#include <stdint.h>
#include <array>
#include <cstdlib>
#include <string>
#include <vector>
// libFLAC parser
#include "FLAC/stream_decoder.h"
#include "data_source.h"
typedef int status_t;
struct FlacPicture {
int type;
std::string mimeType;
std::string description;
FLAC__uint32 width;
FLAC__uint32 height;
FLAC__uint32 depth;
FLAC__uint32 colors;
std::vector<char> data;
};
class FLACParser {
public:
FLACParser(DataSource *source);
~FLACParser();
bool init();
// stream properties
unsigned getMaxBlockSize() const { return mStreamInfo.max_blocksize; }
unsigned getSampleRate() const { return mStreamInfo.sample_rate; }
unsigned getChannels() const { return mStreamInfo.channels; }
unsigned getBitsPerSample() const { return mStreamInfo.bits_per_sample; }
FLAC__uint64 getTotalSamples() const { return mStreamInfo.total_samples; }
const FLAC__StreamMetadata_StreamInfo& getStreamInfo() const {
return mStreamInfo;
}
bool areVorbisCommentsValid() const { return mVorbisCommentsValid; }
std::vector<std::string> getVorbisComments() { return mVorbisComments; }
bool arePicturesValid() const { return mPicturesValid; }
const std::vector<FlacPicture> &getPictures() const { return mPictures; }
int64_t getLastFrameTimestamp() const {
return (1000000LL * mWriteHeader.number.sample_number) / getSampleRate();
}
int64_t getLastFrameFirstSampleIndex() const {
return mWriteHeader.number.sample_number;
}
int64_t getNextFrameFirstSampleIndex() const {
return mWriteHeader.number.sample_number + mWriteHeader.blocksize;
}
bool decodeMetadata();
size_t readBuffer(void *output, size_t output_size);
bool getSeekPositions(int64_t timeUs, std::array<int64_t, 4> &result);
void flush() {
reset(mCurrentPos);
}
void reset(int64_t newPosition) {
if (mDecoder != NULL) {
mCurrentPos = newPosition;
mEOF = false;
if (newPosition == 0) {
mStreamInfoValid = false;
mVorbisCommentsValid = false;
mPicturesValid = false;
mVorbisComments.clear();
mPictures.clear();
FLAC__stream_decoder_reset(mDecoder);
} else {
FLAC__stream_decoder_flush(mDecoder);
}
}
}
int64_t getDecodePosition() {
uint64_t position;
if (mDecoder != NULL
&& FLAC__stream_decoder_get_decode_position(mDecoder, &position)) {
return position;
}
return -1;
}
const char *getDecoderStateString() {
return FLAC__stream_decoder_get_resolved_state_string(mDecoder);
}
bool isDecoderAtEndOfStream() const {
return FLAC__stream_decoder_get_state(mDecoder) ==
FLAC__STREAM_DECODER_END_OF_STREAM;
}
private:
DataSource *mDataSource;
void (*mCopy)(int8_t *dst, const int *const *src, unsigned bytesPerSample,
unsigned nSamples, unsigned nChannels);
// handle to underlying libFLAC parser
FLAC__StreamDecoder *mDecoder;
// current position within the data source
off64_t mCurrentPos;
bool mEOF;
// cached when the STREAMINFO metadata is parsed by libFLAC
FLAC__StreamMetadata_StreamInfo mStreamInfo;
bool mStreamInfoValid;
const FLAC__StreamMetadata_SeekTable *mSeekTable;
uint64_t firstFrameOffset;
// cached when the VORBIS_COMMENT metadata is parsed by libFLAC
std::vector<std::string> mVorbisComments;
bool mVorbisCommentsValid;
// cached when the PICTURE metadata is parsed by libFLAC
std::vector<FlacPicture> mPictures;
bool mPicturesValid;
// cached when a decoded PCM block is "written" by libFLAC parser
bool mWriteRequested;
bool mWriteCompleted;
FLAC__FrameHeader mWriteHeader;
const FLAC__int32 *const *mWriteBuffer;
// most recent error reported by libFLAC parser
FLAC__StreamDecoderErrorStatus mErrorStatus;
// no copy constructor or assignment
FLACParser(const FLACParser &);
FLACParser &operator=(const FLACParser &);
// FLAC parser callbacks as C++ instance methods
FLAC__StreamDecoderReadStatus readCallback(FLAC__byte buffer[],
size_t *bytes);
FLAC__StreamDecoderSeekStatus seekCallback(FLAC__uint64 absolute_byte_offset);
FLAC__StreamDecoderTellStatus tellCallback(
FLAC__uint64 *absolute_byte_offset);
FLAC__StreamDecoderLengthStatus lengthCallback(FLAC__uint64 *stream_length);
FLAC__bool eofCallback();
FLAC__StreamDecoderWriteStatus writeCallback(
const FLAC__Frame *frame, const FLAC__int32 *const buffer[]);
void metadataCallback(const FLAC__StreamMetadata *metadata);
void errorCallback(FLAC__StreamDecoderErrorStatus status);
// FLAC parser callbacks as C-callable functions
static FLAC__StreamDecoderReadStatus read_callback(
const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes,
void *client_data);
static FLAC__StreamDecoderSeekStatus seek_callback(
const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset,
void *client_data);
static FLAC__StreamDecoderTellStatus tell_callback(
const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset,
void *client_data);
static FLAC__StreamDecoderLengthStatus length_callback(
const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length,
void *client_data);
static FLAC__bool eof_callback(const FLAC__StreamDecoder *decoder,
void *client_data);
static FLAC__StreamDecoderWriteStatus write_callback(
const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame,
const FLAC__int32 *const buffer[], void *client_data);
static void metadata_callback(const FLAC__StreamDecoder *decoder,
const FLAC__StreamMetadata *metadata,
void *client_data);
static void error_callback(const FLAC__StreamDecoder *decoder,
FLAC__StreamDecoderErrorStatus status,
void *client_data);
};
#endif // FLAC_PARSER_H_

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/bitmath.h"
/* An example of what FLAC__bitmath_silog2() computes:
*
* silog2(-10) = 5
* silog2(- 9) = 5
* silog2(- 8) = 4
* silog2(- 7) = 4
* silog2(- 6) = 4
* silog2(- 5) = 4
* silog2(- 4) = 3
* silog2(- 3) = 3
* silog2(- 2) = 2
* silog2(- 1) = 2
* silog2( 0) = 0
* silog2( 1) = 2
* silog2( 2) = 3
* silog2( 3) = 3
* silog2( 4) = 4
* silog2( 5) = 4
* silog2( 6) = 4
* silog2( 7) = 4
* silog2( 8) = 5
* silog2( 9) = 5
* silog2( 10) = 5
*/
uint32_t FLAC__bitmath_silog2(FLAC__int64 v)
{
if(v == 0)
return 0;
if(v == -1)
return 2;
v = (v < 0) ? (-(v+1)) : v;
return FLAC__bitmath_ilog2_wide(v)+2;
}

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include "private/bitwriter.h"
#include "private/crc.h"
#include "private/macros.h"
#include "FLAC/assert.h"
#include "share/alloc.h"
#include "share/compat.h"
#include "share/endswap.h"
/* Things should be fastest when this matches the machine word size */
/* WATCHOUT: if you change this you must also change the following #defines down to SWAP_BE_WORD_TO_HOST below to match */
/* WATCHOUT: there are a few places where the code will not work unless bwword is >= 32 bits wide */
#if (ENABLE_64_BIT_WORDS == 0)
typedef FLAC__uint32 bwword;
#define FLAC__BYTES_PER_WORD 4 /* sizeof bwword */
#define FLAC__BITS_PER_WORD 32
/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */
#if WORDS_BIGENDIAN
#define SWAP_BE_WORD_TO_HOST(x) (x)
#else
#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_32(x)
#endif
#else
typedef FLAC__uint64 bwword;
#define FLAC__BYTES_PER_WORD 8 /* sizeof bwword */
#define FLAC__BITS_PER_WORD 64
/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */
#if WORDS_BIGENDIAN
#define SWAP_BE_WORD_TO_HOST(x) (x)
#else
#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_64(x)
#endif
#endif
/*
* The default capacity here doesn't matter too much. The buffer always grows
* to hold whatever is written to it. Usually the encoder will stop adding at
* a frame or metadata block, then write that out and clear the buffer for the
* next one.
*/
static const uint32_t FLAC__BITWRITER_DEFAULT_CAPACITY = 32768u / sizeof(bwword); /* size in words */
/* When growing, increment 4K at a time */
static const uint32_t FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(bwword); /* size in words */
#define FLAC__WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD)
#define FLAC__TOTAL_BITS(bw) (FLAC__WORDS_TO_BITS((bw)->words) + (bw)->bits)
struct FLAC__BitWriter {
bwword *buffer;
bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */
uint32_t capacity; /* capacity of buffer in words */
uint32_t words; /* # of complete words in buffer */
uint32_t bits; /* # of used bits in accum */
};
/* * WATCHOUT: The current implementation only grows the buffer. */
#ifndef __SUNPRO_C
static
#endif
FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, uint32_t bits_to_add)
{
uint32_t new_capacity;
bwword *new_buffer;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
/* calculate total words needed to store 'bits_to_add' additional bits */
new_capacity = bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD);
/* it's possible (due to pessimism in the growth estimation that
* leads to this call) that we don't actually need to grow
*/
if(bw->capacity >= new_capacity)
return true;
/* round up capacity increase to the nearest FLAC__BITWRITER_DEFAULT_INCREMENT */
if((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT)
new_capacity += FLAC__BITWRITER_DEFAULT_INCREMENT - ((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT);
/* make sure we got everything right */
FLAC__ASSERT(0 == (new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT);
FLAC__ASSERT(new_capacity > bw->capacity);
FLAC__ASSERT(new_capacity >= bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD));
new_buffer = safe_realloc_mul_2op_(bw->buffer, sizeof(bwword), /*times*/new_capacity);
if(new_buffer == 0)
return false;
bw->buffer = new_buffer;
bw->capacity = new_capacity;
return true;
}
/***********************************************************************
*
* Class constructor/destructor
*
***********************************************************************/
FLAC__BitWriter *FLAC__bitwriter_new(void)
{
FLAC__BitWriter *bw = calloc(1, sizeof(FLAC__BitWriter));
/* note that calloc() sets all members to 0 for us */
return bw;
}
void FLAC__bitwriter_delete(FLAC__BitWriter *bw)
{
FLAC__ASSERT(0 != bw);
FLAC__bitwriter_free(bw);
free(bw);
}
/***********************************************************************
*
* Public class methods
*
***********************************************************************/
FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw)
{
FLAC__ASSERT(0 != bw);
bw->words = bw->bits = 0;
bw->capacity = FLAC__BITWRITER_DEFAULT_CAPACITY;
bw->buffer = malloc(sizeof(bwword) * bw->capacity);
if(bw->buffer == 0)
return false;
return true;
}
void FLAC__bitwriter_free(FLAC__BitWriter *bw)
{
FLAC__ASSERT(0 != bw);
if(0 != bw->buffer)
free(bw->buffer);
bw->buffer = 0;
bw->capacity = 0;
bw->words = bw->bits = 0;
}
void FLAC__bitwriter_clear(FLAC__BitWriter *bw)
{
bw->words = bw->bits = 0;
}
void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out)
{
uint32_t i, j;
if(bw == 0) {
fprintf(out, "bitwriter is NULL\n");
}
else {
fprintf(out, "bitwriter: capacity=%u words=%u bits=%u total_bits=%u\n", bw->capacity, bw->words, bw->bits, FLAC__TOTAL_BITS(bw));
for(i = 0; i < bw->words; i++) {
fprintf(out, "%08X: ", i);
for(j = 0; j < FLAC__BITS_PER_WORD; j++)
fprintf(out, "%01d", bw->buffer[i] & ((bwword)1 << (FLAC__BITS_PER_WORD-j-1)) ? 1:0);
fprintf(out, "\n");
}
if(bw->bits > 0) {
fprintf(out, "%08X: ", i);
for(j = 0; j < bw->bits; j++)
fprintf(out, "%01d", bw->accum & ((bwword)1 << (bw->bits-j-1)) ? 1:0);
fprintf(out, "\n");
}
}
}
FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc)
{
const FLAC__byte *buffer;
size_t bytes;
FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */
if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes))
return false;
*crc = (FLAC__uint16)FLAC__crc16(buffer, bytes);
FLAC__bitwriter_release_buffer(bw);
return true;
}
FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc)
{
const FLAC__byte *buffer;
size_t bytes;
FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */
if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes))
return false;
*crc = FLAC__crc8(buffer, bytes);
FLAC__bitwriter_release_buffer(bw);
return true;
}
FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw)
{
return ((bw->bits & 7) == 0);
}
uint32_t FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw)
{
return FLAC__TOTAL_BITS(bw);
}
FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes)
{
FLAC__ASSERT((bw->bits & 7) == 0);
/* double protection */
if(bw->bits & 7)
return false;
/* if we have bits in the accumulator we have to flush those to the buffer first */
if(bw->bits) {
FLAC__ASSERT(bw->words <= bw->capacity);
if(bw->words == bw->capacity && !bitwriter_grow_(bw, FLAC__BITS_PER_WORD))
return false;
/* append bits as complete word to buffer, but don't change bw->accum or bw->bits */
bw->buffer[bw->words] = SWAP_BE_WORD_TO_HOST(bw->accum << (FLAC__BITS_PER_WORD-bw->bits));
}
/* now we can just return what we have */
*buffer = (FLAC__byte*)bw->buffer;
*bytes = (FLAC__BYTES_PER_WORD * bw->words) + (bw->bits >> 3);
return true;
}
void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw)
{
/* nothing to do. in the future, strict checking of a 'writer-is-in-
* get-mode' flag could be added everywhere and then cleared here
*/
(void)bw;
}
inline FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, uint32_t bits)
{
uint32_t n;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
if(bits == 0)
return true;
/* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits))
return false;
/* first part gets to word alignment */
if(bw->bits) {
n = flac_min(FLAC__BITS_PER_WORD - bw->bits, bits);
bw->accum <<= n;
bits -= n;
bw->bits += n;
if(bw->bits == FLAC__BITS_PER_WORD) {
bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
bw->bits = 0;
}
else
return true;
}
/* do whole words */
while(bits >= FLAC__BITS_PER_WORD) {
bw->buffer[bw->words++] = 0;
bits -= FLAC__BITS_PER_WORD;
}
/* do any leftovers */
if(bits > 0) {
bw->accum = 0;
bw->bits = bits;
}
return true;
}
static inline FLAC__bool FLAC__bitwriter_write_raw_uint32_nocheck(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits)
{
register uint32_t left;
/* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
if(bw == 0 || bw->buffer == 0)
return false;
if (bits > 32)
return false;
if(bits == 0)
return true;
FLAC__ASSERT((bits == 32) || (val>>bits == 0));
/* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits))
return false;
left = FLAC__BITS_PER_WORD - bw->bits;
if(bits < left) {
bw->accum <<= bits;
bw->accum |= val;
bw->bits += bits;
}
else if(bw->bits) { /* WATCHOUT: if bw->bits == 0, left==FLAC__BITS_PER_WORD and bw->accum<<=left is a NOP instead of setting to 0 */
bw->accum <<= left;
bw->accum |= val >> (bw->bits = bits - left);
bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
bw->accum = val; /* unused top bits can contain garbage */
}
else { /* at this point bits == FLAC__BITS_PER_WORD == 32 and bw->bits == 0 */
bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST((bwword)val);
}
return true;
}
inline FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits)
{
/* check that unused bits are unset */
if((bits < 32) && (val>>bits != 0))
return false;
return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, bits);
}
inline FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t bits)
{
/* zero-out unused bits */
if(bits < 32)
val &= (~(0xffffffff << bits));
return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, bits);
}
inline FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, uint32_t bits)
{
/* this could be a little faster but it's not used for much */
if(bits > 32) {
return
FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)(val>>32), bits-32) &&
FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 32);
}
else
return FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)val, bits);
}
inline FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val)
{
/* this doesn't need to be that fast as currently it is only used for vorbis comments */
if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val & 0xff, 8))
return false;
if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>8) & 0xff, 8))
return false;
if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>16) & 0xff, 8))
return false;
if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val>>24, 8))
return false;
return true;
}
inline FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], uint32_t nvals)
{
uint32_t i;
/* this could be faster but currently we don't need it to be since it's only used for writing metadata */
for(i = 0; i < nvals; i++) {
if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)(vals[i]), 8))
return false;
}
return true;
}
FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, uint32_t val)
{
if(val < 32)
return FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, ++val);
else
return
FLAC__bitwriter_write_zeroes(bw, val) &&
FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, 1);
}
uint32_t FLAC__bitwriter_rice_bits(FLAC__int32 val, uint32_t parameter)
{
FLAC__uint32 uval;
FLAC__ASSERT(parameter < 32);
/* fold signed to uint32_t; actual formula is: negative(v)? -2v-1 : 2v */
uval = val;
uval <<= 1;
uval ^= (val>>31);
return 1 + parameter + (uval >> parameter);
}
#if 0 /* UNUSED */
uint32_t FLAC__bitwriter_golomb_bits_signed(int val, uint32_t parameter)
{
uint32_t bits, msbs, uval;
uint32_t k;
FLAC__ASSERT(parameter > 0);
/* fold signed to uint32_t */
if(val < 0)
uval = (uint32_t)(((-(++val)) << 1) + 1);
else
uval = (uint32_t)(val << 1);
k = FLAC__bitmath_ilog2(parameter);
if(parameter == 1u<<k) {
FLAC__ASSERT(k <= 30);
msbs = uval >> k;
bits = 1 + k + msbs;
}
else {
uint32_t q, r, d;
d = (1 << (k+1)) - parameter;
q = uval / parameter;
r = uval - (q * parameter);
bits = 1 + q + k;
if(r >= d)
bits++;
}
return bits;
}
uint32_t FLAC__bitwriter_golomb_bits_unsigned(uint32_t uval, uint32_t parameter)
{
uint32_t bits, msbs;
uint32_t k;
FLAC__ASSERT(parameter > 0);
k = FLAC__bitmath_ilog2(parameter);
if(parameter == 1u<<k) {
FLAC__ASSERT(k <= 30);
msbs = uval >> k;
bits = 1 + k + msbs;
}
else {
uint32_t q, r, d;
d = (1 << (k+1)) - parameter;
q = uval / parameter;
r = uval - (q * parameter);
bits = 1 + q + k;
if(r >= d)
bits++;
}
return bits;
}
#endif /* UNUSED */
FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t parameter)
{
uint32_t total_bits, interesting_bits, msbs;
FLAC__uint32 uval, pattern;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
FLAC__ASSERT(parameter < 32);
/* fold signed to uint32_t; actual formula is: negative(v)? -2v-1 : 2v */
uval = val;
uval <<= 1;
uval ^= (val>>31);
msbs = uval >> parameter;
interesting_bits = 1 + parameter;
total_bits = interesting_bits + msbs;
pattern = 1 << parameter; /* the unary end bit */
pattern |= (uval & ((1<<parameter)-1)); /* the binary LSBs */
if(total_bits <= 32)
return FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits);
else
return
FLAC__bitwriter_write_zeroes(bw, msbs) && /* write the unary MSBs */
FLAC__bitwriter_write_raw_uint32(bw, pattern, interesting_bits); /* write the unary end bit and binary LSBs */
}
FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, uint32_t nvals, uint32_t parameter)
{
const FLAC__uint32 mask1 = (FLAC__uint32)0xffffffff << parameter; /* we val|=mask1 to set the stop bit above it... */
const FLAC__uint32 mask2 = (FLAC__uint32)0xffffffff >> (31-parameter); /* ...then mask off the bits above the stop bit with val&=mask2 */
FLAC__uint32 uval;
uint32_t left;
const uint32_t lsbits = 1 + parameter;
uint32_t msbits, total_bits;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
FLAC__ASSERT(parameter < 31);
/* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
while(nvals) {
/* fold signed to uint32_t; actual formula is: negative(v)? -2v-1 : 2v */
uval = *vals;
uval <<= 1;
uval ^= (*vals>>31);
msbits = uval >> parameter;
total_bits = lsbits + msbits;
if(bw->bits && bw->bits + total_bits < FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current bwword */
/* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free bwword to work in */
bw->bits += total_bits;
uval |= mask1; /* set stop bit */
uval &= mask2; /* mask off unused top bits */
bw->accum <<= total_bits;
bw->accum |= uval;
}
else {
/* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+msbits+lsbits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
/* OPT: pessimism may cause flurry of false calls to grow_ which eat up all savings before it */
if(bw->capacity <= bw->words + bw->bits + msbits + 1 /* lsbits always fit in 1 bwword */ && !bitwriter_grow_(bw, total_bits))
return false;
if(msbits) {
/* first part gets to word alignment */
if(bw->bits) {
left = FLAC__BITS_PER_WORD - bw->bits;
if(msbits < left) {
bw->accum <<= msbits;
bw->bits += msbits;
goto break1;
}
else {
bw->accum <<= left;
msbits -= left;
bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
bw->bits = 0;
}
}
/* do whole words */
while(msbits >= FLAC__BITS_PER_WORD) {
bw->buffer[bw->words++] = 0;
msbits -= FLAC__BITS_PER_WORD;
}
/* do any leftovers */
if(msbits > 0) {
bw->accum = 0;
bw->bits = msbits;
}
}
break1:
uval |= mask1; /* set stop bit */
uval &= mask2; /* mask off unused top bits */
left = FLAC__BITS_PER_WORD - bw->bits;
if(lsbits < left) {
bw->accum <<= lsbits;
bw->accum |= uval;
bw->bits += lsbits;
}
else {
/* if bw->bits == 0, left==FLAC__BITS_PER_WORD which will always
* be > lsbits (because of previous assertions) so it would have
* triggered the (lsbits<left) case above.
*/
FLAC__ASSERT(bw->bits);
FLAC__ASSERT(left < FLAC__BITS_PER_WORD);
bw->accum <<= left;
bw->accum |= uval >> (bw->bits = lsbits - left);
bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
bw->accum = uval; /* unused top bits can contain garbage */
}
}
vals++;
nvals--;
}
return true;
}
#if 0 /* UNUSED */
FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, uint32_t parameter)
{
uint32_t total_bits, msbs, uval;
uint32_t k;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
FLAC__ASSERT(parameter > 0);
/* fold signed to uint32_t */
if(val < 0)
uval = (uint32_t)(((-(++val)) << 1) + 1);
else
uval = (uint32_t)(val << 1);
k = FLAC__bitmath_ilog2(parameter);
if(parameter == 1u<<k) {
uint32_t pattern;
FLAC__ASSERT(k <= 30);
msbs = uval >> k;
total_bits = 1 + k + msbs;
pattern = 1 << k; /* the unary end bit */
pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */
if(total_bits <= 32) {
if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits))
return false;
}
else {
/* write the unary MSBs */
if(!FLAC__bitwriter_write_zeroes(bw, msbs))
return false;
/* write the unary end bit and binary LSBs */
if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1))
return false;
}
}
else {
uint32_t q, r, d;
d = (1 << (k+1)) - parameter;
q = uval / parameter;
r = uval - (q * parameter);
/* write the unary MSBs */
if(!FLAC__bitwriter_write_zeroes(bw, q))
return false;
/* write the unary end bit */
if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1))
return false;
/* write the binary LSBs */
if(r >= d) {
if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1))
return false;
}
else {
if(!FLAC__bitwriter_write_raw_uint32(bw, r, k))
return false;
}
}
return true;
}
FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, uint32_t uval, uint32_t parameter)
{
uint32_t total_bits, msbs;
uint32_t k;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
FLAC__ASSERT(parameter > 0);
k = FLAC__bitmath_ilog2(parameter);
if(parameter == 1u<<k) {
uint32_t pattern;
FLAC__ASSERT(k <= 30);
msbs = uval >> k;
total_bits = 1 + k + msbs;
pattern = 1 << k; /* the unary end bit */
pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */
if(total_bits <= 32) {
if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits))
return false;
}
else {
/* write the unary MSBs */
if(!FLAC__bitwriter_write_zeroes(bw, msbs))
return false;
/* write the unary end bit and binary LSBs */
if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1))
return false;
}
}
else {
uint32_t q, r, d;
d = (1 << (k+1)) - parameter;
q = uval / parameter;
r = uval - (q * parameter);
/* write the unary MSBs */
if(!FLAC__bitwriter_write_zeroes(bw, q))
return false;
/* write the unary end bit */
if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1))
return false;
/* write the binary LSBs */
if(r >= d) {
if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1))
return false;
}
else {
if(!FLAC__bitwriter_write_raw_uint32(bw, r, k))
return false;
}
}
return true;
}
#endif /* UNUSED */
FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val)
{
FLAC__bool ok = 1;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
if((val & 0x80000000) != 0) /* this version only handles 31 bits */
return false;
if(val < 0x80) {
return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, 8);
}
else if(val < 0x800) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (val>>6), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
}
else if(val < 0x10000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (val>>12), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
}
else if(val < 0x200000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (val>>18), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
}
else if(val < 0x4000000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (val>>24), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
}
else {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (val>>30), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>24)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
}
return ok;
}
FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val)
{
FLAC__bool ok = 1;
FLAC__ASSERT(0 != bw);
FLAC__ASSERT(0 != bw->buffer);
if((val & FLAC__U64L(0xFFFFFFF000000000)) != 0) /* this version only handles 36 bits */
return false;
if(val < 0x80) {
return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 8);
}
else if(val < 0x800) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (FLAC__uint32)(val>>6), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
}
else if(val < 0x10000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (FLAC__uint32)(val>>12), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
}
else if(val < 0x200000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (FLAC__uint32)(val>>18), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
}
else if(val < 0x4000000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (FLAC__uint32)(val>>24), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
}
else if(val < 0x80000000) {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (FLAC__uint32)(val>>30), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
}
else {
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFE, 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>30)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
}
return ok;
}
FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw)
{
/* 0-pad to byte boundary */
if(bw->bits & 7u)
return FLAC__bitwriter_write_zeroes(bw, 8 - (bw->bits & 7u));
else
return true;
}
/* These functions are declared inline in this file but are also callable as
* externs from elsewhere.
* According to the C99 spec, section 6.7.4, simply providing a function
* prototype in a header file without 'inline' and making the function inline
* in this file should be sufficient.
* Unfortunately, the Microsoft VS compiler doesn't pick them up externally. To
* fix that we add extern declarations here.
*/
extern FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, uint32_t bits);
extern FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits);
extern FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t bits);
extern FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, uint32_t bits);
extern FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val);
extern FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], uint32_t nvals);

254
TMessagesProj/jni/exoplayer/libFLAC/cpu.c Executable file
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@ -0,0 +1,254 @@
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#include "share/compat.h"
#include <stdlib.h>
#include <string.h>
#if defined _MSC_VER
#include <intrin.h> /* for __cpuid() and _xgetbv() */
#elif defined __GNUC__ && defined HAVE_CPUID_H
#include <cpuid.h> /* for __get_cpuid() and __get_cpuid_max() */
#endif
#ifndef NDEBUG
#include <stdio.h>
#define dfprintf fprintf
#else
/* This is bad practice, it should be a static void empty function */
#define dfprintf(file, format, ...)
#endif
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN) && !defined FLAC__NO_ASM
/* these are flags in EDX of CPUID AX=00000001 */
static const uint32_t FLAC__CPUINFO_X86_CPUID_CMOV = 0x00008000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_MMX = 0x00800000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE = 0x02000000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE2 = 0x04000000;
/* these are flags in ECX of CPUID AX=00000001 */
static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE3 = 0x00000001;
static const uint32_t FLAC__CPUINFO_X86_CPUID_SSSE3 = 0x00000200;
static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE41 = 0x00080000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE42 = 0x00100000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_OSXSAVE = 0x08000000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_AVX = 0x10000000;
static const uint32_t FLAC__CPUINFO_X86_CPUID_FMA = 0x00001000;
/* these are flags in EBX of CPUID AX=00000007 */
static const uint32_t FLAC__CPUINFO_X86_CPUID_AVX2 = 0x00000020;
static uint32_t
cpu_xgetbv_x86(void)
{
#if (defined _MSC_VER || defined __INTEL_COMPILER) && FLAC__AVX_SUPPORTED
return (uint32_t)_xgetbv(0);
#elif defined __GNUC__
uint32_t lo, hi;
__asm__ volatile (".byte 0x0f, 0x01, 0xd0" : "=a"(lo), "=d"(hi) : "c" (0));
return lo;
#else
return 0;
#endif
}
static uint32_t
cpu_have_cpuid(void)
{
#if defined FLAC__CPU_X86_64 || defined __i686__ || defined __SSE__ || (defined _M_IX86_FP && _M_IX86_FP > 0)
/* target CPU does have CPUID instruction */
return 1;
#elif defined FLAC__HAS_NASM
return FLAC__cpu_have_cpuid_asm_ia32();
#elif defined __GNUC__ && defined HAVE_CPUID_H
if (__get_cpuid_max(0, 0) != 0)
return 1;
else
return 0;
#elif defined _MSC_VER
FLAC__uint32 flags1, flags2;
__asm {
pushfd
pushfd
pop eax
mov flags1, eax
xor eax, 0x200000
push eax
popfd
pushfd
pop eax
mov flags2, eax
popfd
}
if (((flags1^flags2) & 0x200000) != 0)
return 1;
else
return 0;
#else
return 0;
#endif
}
static void
cpuinfo_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx)
{
#if defined _MSC_VER
int cpuinfo[4];
int ext = level & 0x80000000;
__cpuid(cpuinfo, ext);
if ((uint32_t)cpuinfo[0] >= level) {
#if FLAC__AVX_SUPPORTED
__cpuidex(cpuinfo, level, 0); /* for AVX2 detection */
#else
__cpuid(cpuinfo, level); /* some old compilers don't support __cpuidex */
#endif
*eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3];
return;
}
#elif defined __GNUC__ && defined HAVE_CPUID_H
FLAC__uint32 ext = level & 0x80000000;
__cpuid(ext, *eax, *ebx, *ecx, *edx);
if (*eax >= level) {
__cpuid_count(level, 0, *eax, *ebx, *ecx, *edx);
return;
}
#elif defined FLAC__HAS_NASM && defined FLAC__CPU_IA32
FLAC__cpu_info_asm_ia32(level, eax, ebx, ecx, edx);
return;
#endif
*eax = *ebx = *ecx = *edx = 0;
}
#endif
static void
x86_cpu_info (FLAC__CPUInfo *info)
{
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN) && !defined FLAC__NO_ASM
FLAC__bool x86_osxsave = false;
FLAC__bool os_avx = false;
FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
info->use_asm = true; /* we assume a minimum of 80386 */
if (!cpu_have_cpuid())
return;
cpuinfo_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
info->x86.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
cpuinfo_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
info->x86.cmov = (flags_edx & FLAC__CPUINFO_X86_CPUID_CMOV ) ? true : false;
info->x86.mmx = (flags_edx & FLAC__CPUINFO_X86_CPUID_MMX ) ? true : false;
info->x86.sse = (flags_edx & FLAC__CPUINFO_X86_CPUID_SSE ) ? true : false;
info->x86.sse2 = (flags_edx & FLAC__CPUINFO_X86_CPUID_SSE2 ) ? true : false;
info->x86.sse3 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSE3 ) ? true : false;
info->x86.ssse3 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSSE3) ? true : false;
info->x86.sse41 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSE41) ? true : false;
info->x86.sse42 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSE42) ? true : false;
if (FLAC__AVX_SUPPORTED) {
x86_osxsave = (flags_ecx & FLAC__CPUINFO_X86_CPUID_OSXSAVE) ? true : false;
info->x86.avx = (flags_ecx & FLAC__CPUINFO_X86_CPUID_AVX ) ? true : false;
info->x86.fma = (flags_ecx & FLAC__CPUINFO_X86_CPUID_FMA ) ? true : false;
cpuinfo_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
info->x86.avx2 = (flags_ebx & FLAC__CPUINFO_X86_CPUID_AVX2 ) ? true : false;
}
#if defined FLAC__CPU_IA32
dfprintf(stderr, "CPU info (IA-32):\n");
#else
dfprintf(stderr, "CPU info (x86-64):\n");
#endif
dfprintf(stderr, " CMOV ....... %c\n", info->x86.cmov ? 'Y' : 'n');
dfprintf(stderr, " MMX ........ %c\n", info->x86.mmx ? 'Y' : 'n');
dfprintf(stderr, " SSE ........ %c\n", info->x86.sse ? 'Y' : 'n');
dfprintf(stderr, " SSE2 ....... %c\n", info->x86.sse2 ? 'Y' : 'n');
dfprintf(stderr, " SSE3 ....... %c\n", info->x86.sse3 ? 'Y' : 'n');
dfprintf(stderr, " SSSE3 ...... %c\n", info->x86.ssse3 ? 'Y' : 'n');
dfprintf(stderr, " SSE41 ...... %c\n", info->x86.sse41 ? 'Y' : 'n');
dfprintf(stderr, " SSE42 ...... %c\n", info->x86.sse42 ? 'Y' : 'n');
if (FLAC__AVX_SUPPORTED) {
dfprintf(stderr, " AVX ........ %c\n", info->x86.avx ? 'Y' : 'n');
dfprintf(stderr, " FMA ........ %c\n", info->x86.fma ? 'Y' : 'n');
dfprintf(stderr, " AVX2 ....... %c\n", info->x86.avx2 ? 'Y' : 'n');
}
/*
* now have to check for OS support of AVX instructions
*/
if (FLAC__AVX_SUPPORTED && info->x86.avx && x86_osxsave && (cpu_xgetbv_x86() & 0x6) == 0x6) {
os_avx = true;
}
if (os_avx) {
dfprintf(stderr, " AVX OS sup . %c\n", info->x86.avx ? 'Y' : 'n');
}
if (!os_avx) {
/* no OS AVX support */
info->x86.avx = false;
info->x86.avx2 = false;
info->x86.fma = false;
}
#else
info->use_asm = false;
#endif
}
void FLAC__cpu_info (FLAC__CPUInfo *info)
{
memset(info, 0, sizeof(*info));
#ifdef FLAC__CPU_IA32
info->type = FLAC__CPUINFO_TYPE_IA32;
#elif defined FLAC__CPU_X86_64
info->type = FLAC__CPUINFO_TYPE_X86_64;
#else
info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
#endif
switch (info->type) {
case FLAC__CPUINFO_TYPE_IA32: /* fallthrough */
case FLAC__CPUINFO_TYPE_X86_64:
x86_cpu_info (info);
break;
default:
info->use_asm = false;
break;
}
}

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/crc.h"
/* CRC-8, poly = x^8 + x^2 + x^1 + x^0, init = 0 */
FLAC__byte const FLAC__crc8_table[256] = {
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
};
/* CRC-16, poly = x^16 + x^15 + x^2 + x^0, init = 0 */
uint32_t const FLAC__crc16_table[256] = {
0x0000, 0x8005, 0x800f, 0x000a, 0x801b, 0x001e, 0x0014, 0x8011,
0x8033, 0x0036, 0x003c, 0x8039, 0x0028, 0x802d, 0x8027, 0x0022,
0x8063, 0x0066, 0x006c, 0x8069, 0x0078, 0x807d, 0x8077, 0x0072,
0x0050, 0x8055, 0x805f, 0x005a, 0x804b, 0x004e, 0x0044, 0x8041,
0x80c3, 0x00c6, 0x00cc, 0x80c9, 0x00d8, 0x80dd, 0x80d7, 0x00d2,
0x00f0, 0x80f5, 0x80ff, 0x00fa, 0x80eb, 0x00ee, 0x00e4, 0x80e1,
0x00a0, 0x80a5, 0x80af, 0x00aa, 0x80bb, 0x00be, 0x00b4, 0x80b1,
0x8093, 0x0096, 0x009c, 0x8099, 0x0088, 0x808d, 0x8087, 0x0082,
0x8183, 0x0186, 0x018c, 0x8189, 0x0198, 0x819d, 0x8197, 0x0192,
0x01b0, 0x81b5, 0x81bf, 0x01ba, 0x81ab, 0x01ae, 0x01a4, 0x81a1,
0x01e0, 0x81e5, 0x81ef, 0x01ea, 0x81fb, 0x01fe, 0x01f4, 0x81f1,
0x81d3, 0x01d6, 0x01dc, 0x81d9, 0x01c8, 0x81cd, 0x81c7, 0x01c2,
0x0140, 0x8145, 0x814f, 0x014a, 0x815b, 0x015e, 0x0154, 0x8151,
0x8173, 0x0176, 0x017c, 0x8179, 0x0168, 0x816d, 0x8167, 0x0162,
0x8123, 0x0126, 0x012c, 0x8129, 0x0138, 0x813d, 0x8137, 0x0132,
0x0110, 0x8115, 0x811f, 0x011a, 0x810b, 0x010e, 0x0104, 0x8101,
0x8303, 0x0306, 0x030c, 0x8309, 0x0318, 0x831d, 0x8317, 0x0312,
0x0330, 0x8335, 0x833f, 0x033a, 0x832b, 0x032e, 0x0324, 0x8321,
0x0360, 0x8365, 0x836f, 0x036a, 0x837b, 0x037e, 0x0374, 0x8371,
0x8353, 0x0356, 0x035c, 0x8359, 0x0348, 0x834d, 0x8347, 0x0342,
0x03c0, 0x83c5, 0x83cf, 0x03ca, 0x83db, 0x03de, 0x03d4, 0x83d1,
0x83f3, 0x03f6, 0x03fc, 0x83f9, 0x03e8, 0x83ed, 0x83e7, 0x03e2,
0x83a3, 0x03a6, 0x03ac, 0x83a9, 0x03b8, 0x83bd, 0x83b7, 0x03b2,
0x0390, 0x8395, 0x839f, 0x039a, 0x838b, 0x038e, 0x0384, 0x8381,
0x0280, 0x8285, 0x828f, 0x028a, 0x829b, 0x029e, 0x0294, 0x8291,
0x82b3, 0x02b6, 0x02bc, 0x82b9, 0x02a8, 0x82ad, 0x82a7, 0x02a2,
0x82e3, 0x02e6, 0x02ec, 0x82e9, 0x02f8, 0x82fd, 0x82f7, 0x02f2,
0x02d0, 0x82d5, 0x82df, 0x02da, 0x82cb, 0x02ce, 0x02c4, 0x82c1,
0x8243, 0x0246, 0x024c, 0x8249, 0x0258, 0x825d, 0x8257, 0x0252,
0x0270, 0x8275, 0x827f, 0x027a, 0x826b, 0x026e, 0x0264, 0x8261,
0x0220, 0x8225, 0x822f, 0x022a, 0x823b, 0x023e, 0x0234, 0x8231,
0x8213, 0x0216, 0x021c, 0x8219, 0x0208, 0x820d, 0x8207, 0x0202
};
void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc)
{
*crc = FLAC__crc8_table[*crc ^ data];
}
void FLAC__crc8_update_block(const FLAC__byte *data, uint32_t len, FLAC__uint8 *crc)
{
while(len--)
*crc = FLAC__crc8_table[*crc ^ *data++];
}
FLAC__uint8 FLAC__crc8(const FLAC__byte *data, uint32_t len)
{
FLAC__uint8 crc = 0;
while(len--)
crc = FLAC__crc8_table[crc ^ *data++];
return crc;
}
uint32_t FLAC__crc16(const FLAC__byte *data, uint32_t len)
{
uint32_t crc = 0;
while(len--)
crc = ((crc<<8) ^ FLAC__crc16_table[(crc>>8) ^ *data++]) & 0xffff;
return crc;
}

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TMessagesProj/jni/exoplayer/libFLAC/fixed.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <math.h>
#include <string.h>
#include "share/compat.h"
#include "private/bitmath.h"
#include "private/fixed.h"
#include "private/macros.h"
#include "FLAC/assert.h"
#ifdef local_abs
#undef local_abs
#endif
#define local_abs(x) ((uint32_t)((x)<0? -(x) : (x)))
#ifdef FLAC__INTEGER_ONLY_LIBRARY
/* rbps stands for residual bits per sample
*
* (ln(2) * err)
* rbps = log (-----------)
* 2 ( n )
*/
static FLAC__fixedpoint local__compute_rbps_integerized(FLAC__uint32 err, FLAC__uint32 n)
{
FLAC__uint32 rbps;
uint32_t bits; /* the number of bits required to represent a number */
int fracbits; /* the number of bits of rbps that comprise the fractional part */
FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint));
FLAC__ASSERT(err > 0);
FLAC__ASSERT(n > 0);
FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE);
if(err <= n)
return 0;
/*
* The above two things tell us 1) n fits in 16 bits; 2) err/n > 1.
* These allow us later to know we won't lose too much precision in the
* fixed-point division (err<<fracbits)/n.
*/
fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2(err)+1);
err <<= fracbits;
err /= n;
/* err now holds err/n with fracbits fractional bits */
/*
* Whittle err down to 16 bits max. 16 significant bits is enough for
* our purposes.
*/
FLAC__ASSERT(err > 0);
bits = FLAC__bitmath_ilog2(err)+1;
if(bits > 16) {
err >>= (bits-16);
fracbits -= (bits-16);
}
rbps = (FLAC__uint32)err;
/* Multiply by fixed-point version of ln(2), with 16 fractional bits */
rbps *= FLAC__FP_LN2;
fracbits += 16;
FLAC__ASSERT(fracbits >= 0);
/* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */
{
const int f = fracbits & 3;
if(f) {
rbps >>= f;
fracbits -= f;
}
}
rbps = FLAC__fixedpoint_log2(rbps, fracbits, (uint32_t)(-1));
if(rbps == 0)
return 0;
/*
* The return value must have 16 fractional bits. Since the whole part
* of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits
* must be >= -3, these assertion allows us to be able to shift rbps
* left if necessary to get 16 fracbits without losing any bits of the
* whole part of rbps.
*
* There is a slight chance due to accumulated error that the whole part
* will require 6 bits, so we use 6 in the assertion. Really though as
* long as it fits in 13 bits (32 - (16 - (-3))) we are fine.
*/
FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6);
FLAC__ASSERT(fracbits >= -3);
/* now shift the decimal point into place */
if(fracbits < 16)
return rbps << (16-fracbits);
else if(fracbits > 16)
return rbps >> (fracbits-16);
else
return rbps;
}
static FLAC__fixedpoint local__compute_rbps_wide_integerized(FLAC__uint64 err, FLAC__uint32 n)
{
FLAC__uint32 rbps;
uint32_t bits; /* the number of bits required to represent a number */
int fracbits; /* the number of bits of rbps that comprise the fractional part */
FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint));
FLAC__ASSERT(err > 0);
FLAC__ASSERT(n > 0);
FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE);
if(err <= n)
return 0;
/*
* The above two things tell us 1) n fits in 16 bits; 2) err/n > 1.
* These allow us later to know we won't lose too much precision in the
* fixed-point division (err<<fracbits)/n.
*/
fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2_wide(err)+1);
err <<= fracbits;
err /= n;
/* err now holds err/n with fracbits fractional bits */
/*
* Whittle err down to 16 bits max. 16 significant bits is enough for
* our purposes.
*/
FLAC__ASSERT(err > 0);
bits = FLAC__bitmath_ilog2_wide(err)+1;
if(bits > 16) {
err >>= (bits-16);
fracbits -= (bits-16);
}
rbps = (FLAC__uint32)err;
/* Multiply by fixed-point version of ln(2), with 16 fractional bits */
rbps *= FLAC__FP_LN2;
fracbits += 16;
FLAC__ASSERT(fracbits >= 0);
/* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */
{
const int f = fracbits & 3;
if(f) {
rbps >>= f;
fracbits -= f;
}
}
rbps = FLAC__fixedpoint_log2(rbps, fracbits, (uint32_t)(-1));
if(rbps == 0)
return 0;
/*
* The return value must have 16 fractional bits. Since the whole part
* of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits
* must be >= -3, these assertion allows us to be able to shift rbps
* left if necessary to get 16 fracbits without losing any bits of the
* whole part of rbps.
*
* There is a slight chance due to accumulated error that the whole part
* will require 6 bits, so we use 6 in the assertion. Really though as
* long as it fits in 13 bits (32 - (16 - (-3))) we are fine.
*/
FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6);
FLAC__ASSERT(fracbits >= -3);
/* now shift the decimal point into place */
if(fracbits < 16)
return rbps << (16-fracbits);
else if(fracbits > 16)
return rbps >> (fracbits-16);
else
return rbps;
}
#endif
#ifndef FLAC__INTEGER_ONLY_LIBRARY
uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
#else
uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
#endif
{
FLAC__int32 last_error_0 = data[-1];
FLAC__int32 last_error_1 = data[-1] - data[-2];
FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
FLAC__int32 error, save;
FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
uint32_t i, order;
for(i = 0; i < data_len; i++) {
error = data[i] ; total_error_0 += local_abs(error); save = error;
error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
}
if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
order = 0;
else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
order = 1;
else if(total_error_2 < flac_min(total_error_3, total_error_4))
order = 2;
else if(total_error_3 < total_error_4)
order = 3;
else
order = 4;
/* Estimate the expected number of bits per residual signal sample. */
/* 'total_error*' is linearly related to the variance of the residual */
/* signal, so we use it directly to compute E(|x|) */
FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
#ifndef FLAC__INTEGER_ONLY_LIBRARY
residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
#else
residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_integerized(total_error_0, data_len) : 0;
residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_integerized(total_error_1, data_len) : 0;
residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_integerized(total_error_2, data_len) : 0;
residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_integerized(total_error_3, data_len) : 0;
residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_integerized(total_error_4, data_len) : 0;
#endif
return order;
}
#ifndef FLAC__INTEGER_ONLY_LIBRARY
uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
#else
uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
#endif
{
FLAC__int32 last_error_0 = data[-1];
FLAC__int32 last_error_1 = data[-1] - data[-2];
FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
FLAC__int32 error, save;
/* total_error_* are 64-bits to avoid overflow when encoding
* erratic signals when the bits-per-sample and blocksize are
* large.
*/
FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
uint32_t i, order;
for(i = 0; i < data_len; i++) {
error = data[i] ; total_error_0 += local_abs(error); save = error;
error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
}
if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
order = 0;
else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
order = 1;
else if(total_error_2 < flac_min(total_error_3, total_error_4))
order = 2;
else if(total_error_3 < total_error_4)
order = 3;
else
order = 4;
/* Estimate the expected number of bits per residual signal sample. */
/* 'total_error*' is linearly related to the variance of the residual */
/* signal, so we use it directly to compute E(|x|) */
FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
#ifndef FLAC__INTEGER_ONLY_LIBRARY
residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
#else
residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_wide_integerized(total_error_0, data_len) : 0;
residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_wide_integerized(total_error_1, data_len) : 0;
residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_wide_integerized(total_error_2, data_len) : 0;
residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_wide_integerized(total_error_3, data_len) : 0;
residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_wide_integerized(total_error_4, data_len) : 0;
#endif
return order;
}
void FLAC__fixed_compute_residual(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[])
{
const int idata_len = (int)data_len;
int i;
switch(order) {
case 0:
FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
memcpy(residual, data, sizeof(residual[0])*data_len);
break;
case 1:
for(i = 0; i < idata_len; i++)
residual[i] = data[i] - data[i-1];
break;
case 2:
for(i = 0; i < idata_len; i++)
residual[i] = data[i] - 2*data[i-1] + data[i-2];
break;
case 3:
for(i = 0; i < idata_len; i++)
residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3];
break;
case 4:
for(i = 0; i < idata_len; i++)
residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4];
break;
default:
FLAC__ASSERT(0);
}
}
void FLAC__fixed_restore_signal(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[])
{
int i, idata_len = (int)data_len;
switch(order) {
case 0:
FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
memcpy(data, residual, sizeof(residual[0])*data_len);
break;
case 1:
for(i = 0; i < idata_len; i++)
data[i] = residual[i] + data[i-1];
break;
case 2:
for(i = 0; i < idata_len; i++)
data[i] = residual[i] + 2*data[i-1] - data[i-2];
break;
case 3:
for(i = 0; i < idata_len; i++)
data[i] = residual[i] + 3*data[i-1] - 3*data[i-2] + data[i-3];
break;
case 4:
for(i = 0; i < idata_len; i++)
data[i] = residual[i] + 4*data[i-1] - 6*data[i-2] + 4*data[i-3] - data[i-4];
break;
default:
FLAC__ASSERT(0);
}
}

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TMessagesProj/jni/exoplayer/libFLAC/fixed_intrin_sse2.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
#include "private/fixed.h"
#ifdef FLAC__SSE2_SUPPORTED
#include <emmintrin.h> /* SSE2 */
#include <math.h>
#include "private/macros.h"
#include "share/compat.h"
#include "FLAC/assert.h"
#ifdef FLAC__CPU_IA32
#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src)
#else
#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src)
#endif
FLAC__SSE_TARGET("sse2")
uint32_t FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
{
FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
uint32_t i, order;
__m128i total_err0, total_err1, total_err2;
{
FLAC__int32 itmp;
__m128i last_error;
last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
itmp = data[-2];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
itmp -= data[-3];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
itmp -= data[-3] - data[-4];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
total_err0 = total_err1 = _mm_setzero_si128();
for(i = 0; i < data_len; i++) {
__m128i err0, err1, tmp;
err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
#if 1 /* OPT_SSE */
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#else
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#endif
tmp = _mm_slli_si128(err0, 12); // e0 0 0 0
last_error = _mm_srli_si128(err1, 4); // 0 e1 e2 e3
last_error = _mm_or_si128(last_error, tmp); // e0 e1 e2 e3
tmp = _mm_srai_epi32(err0, 31);
err0 = _mm_xor_si128(err0, tmp);
err0 = _mm_sub_epi32(err0, tmp);
tmp = _mm_srai_epi32(err1, 31);
err1 = _mm_xor_si128(err1, tmp);
err1 = _mm_sub_epi32(err1, tmp);
total_err0 = _mm_add_epi32(total_err0, err0); // 0 0 0 te0
total_err1 = _mm_add_epi32(total_err1, err1); // te1 te2 te3 te4
}
}
total_error_0 = _mm_cvtsi128_si32(total_err0);
total_err2 = total_err1; // te1 te2 te3 te4
total_err1 = _mm_srli_si128(total_err1, 8); // 0 0 te1 te2
total_error_4 = _mm_cvtsi128_si32(total_err2);
total_error_2 = _mm_cvtsi128_si32(total_err1);
total_err2 = _mm_srli_si128(total_err2, 4); // 0 te1 te2 te3
total_err1 = _mm_srli_si128(total_err1, 4); // 0 0 0 te1
total_error_3 = _mm_cvtsi128_si32(total_err2);
total_error_1 = _mm_cvtsi128_si32(total_err1);
/* prefer higher order */
if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
order = 0;
else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
order = 1;
else if(total_error_2 < flac_min(total_error_3, total_error_4))
order = 2;
else if(total_error_3 < total_error_4)
order = 3;
else
order = 4;
/* Estimate the expected number of bits per residual signal sample. */
/* 'total_error*' is linearly related to the variance of the residual */
/* signal, so we use it directly to compute E(|x|) */
FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
return order;
}
FLAC__SSE_TARGET("sse2")
uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
{
FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
uint32_t i, order;
__m128i total_err0, total_err1, total_err3;
{
FLAC__int32 itmp;
__m128i last_error, zero = _mm_setzero_si128();
last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
itmp = data[-2];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
itmp -= data[-3];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
itmp -= data[-3] - data[-4];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
total_err0 = total_err1 = total_err3 = _mm_setzero_si128();
for(i = 0; i < data_len; i++) {
__m128i err0, err1, tmp;
err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
#if 1 /* OPT_SSE */
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#else
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#endif
tmp = _mm_slli_si128(err0, 12); // e0 0 0 0
last_error = _mm_srli_si128(err1, 4); // 0 e1 e2 e3
last_error = _mm_or_si128(last_error, tmp); // e0 e1 e2 e3
tmp = _mm_srai_epi32(err0, 31);
err0 = _mm_xor_si128(err0, tmp);
err0 = _mm_sub_epi32(err0, tmp);
tmp = _mm_srai_epi32(err1, 31);
err1 = _mm_xor_si128(err1, tmp);
err1 = _mm_sub_epi32(err1, tmp);
total_err0 = _mm_add_epi64(total_err0, err0); // 0 te0
err0 = _mm_unpacklo_epi32(err1, zero); // 0 |e3| 0 |e4|
err1 = _mm_unpackhi_epi32(err1, zero); // 0 |e1| 0 |e2|
total_err3 = _mm_add_epi64(total_err3, err0); // te3 te4
total_err1 = _mm_add_epi64(total_err1, err1); // te1 te2
}
}
m128i_to_i64(total_error_0, total_err0);
m128i_to_i64(total_error_4, total_err3);
m128i_to_i64(total_error_2, total_err1);
total_err3 = _mm_srli_si128(total_err3, 8); // 0 te3
total_err1 = _mm_srli_si128(total_err1, 8); // 0 te1
m128i_to_i64(total_error_3, total_err3);
m128i_to_i64(total_error_1, total_err1);
/* prefer higher order */
if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
order = 0;
else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
order = 1;
else if(total_error_2 < flac_min(total_error_3, total_error_4))
order = 2;
else if(total_error_3 < total_error_4)
order = 3;
else
order = 4;
/* Estimate the expected number of bits per residual signal sample. */
/* 'total_error*' is linearly related to the variance of the residual */
/* signal, so we use it directly to compute E(|x|) */
FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
return order;
}
#endif /* FLAC__SSE2_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/fixed.h"
#ifdef FLAC__SSSE3_SUPPORTED
#include <tmmintrin.h> /* SSSE3 */
#include <math.h>
#include "private/macros.h"
#include "share/compat.h"
#include "FLAC/assert.h"
#ifdef FLAC__CPU_IA32
#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src)
#else
#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src)
#endif
FLAC__SSE_TARGET("ssse3")
uint32_t FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
{
FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
uint32_t i, order;
__m128i total_err0, total_err1, total_err2;
{
FLAC__int32 itmp;
__m128i last_error;
last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
itmp = data[-2];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
itmp -= data[-3];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
itmp -= data[-3] - data[-4];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
total_err0 = total_err1 = _mm_setzero_si128();
for(i = 0; i < data_len; i++) {
__m128i err0, err1;
err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
#if 1 /* OPT_SSE */
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#else
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#endif
last_error = _mm_alignr_epi8(err0, err1, 4); // e0 e1 e2 e3
err0 = _mm_abs_epi32(err0);
err1 = _mm_abs_epi32(err1);
total_err0 = _mm_add_epi32(total_err0, err0); // 0 0 0 te0
total_err1 = _mm_add_epi32(total_err1, err1); // te1 te2 te3 te4
}
}
total_error_0 = _mm_cvtsi128_si32(total_err0);
total_err2 = total_err1; // te1 te2 te3 te4
total_err1 = _mm_srli_si128(total_err1, 8); // 0 0 te1 te2
total_error_4 = _mm_cvtsi128_si32(total_err2);
total_error_2 = _mm_cvtsi128_si32(total_err1);
total_err2 = _mm_srli_si128(total_err2, 4); // 0 te1 te2 te3
total_err1 = _mm_srli_si128(total_err1, 4); // 0 0 0 te1
total_error_3 = _mm_cvtsi128_si32(total_err2);
total_error_1 = _mm_cvtsi128_si32(total_err1);
/* prefer higher order */
if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
order = 0;
else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
order = 1;
else if(total_error_2 < flac_min(total_error_3, total_error_4))
order = 2;
else if(total_error_3 < total_error_4)
order = 3;
else
order = 4;
/* Estimate the expected number of bits per residual signal sample. */
/* 'total_error*' is linearly related to the variance of the residual */
/* signal, so we use it directly to compute E(|x|) */
FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
return order;
}
FLAC__SSE_TARGET("ssse3")
uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
{
FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
uint32_t i, order;
__m128i total_err0, total_err1, total_err3;
{
FLAC__int32 itmp;
__m128i last_error, zero = _mm_setzero_si128();
last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
itmp = data[-2];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
itmp -= data[-3];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
itmp -= data[-3] - data[-4];
last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
total_err0 = total_err1 = total_err3 = _mm_setzero_si128();
for(i = 0; i < data_len; i++) {
__m128i err0, err1;
err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
#if 1 /* OPT_SSE */
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
err1 = _mm_sub_epi32(err1, last_error);
last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#else
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
#endif
last_error = _mm_alignr_epi8(err0, err1, 4); // e0 e1 e2 e3
err0 = _mm_abs_epi32(err0);
err1 = _mm_abs_epi32(err1); // |e1| |e2| |e3| |e4|
total_err0 = _mm_add_epi64(total_err0, err0); // 0 te0
err0 = _mm_unpacklo_epi32(err1, zero); // 0 |e3| 0 |e4|
err1 = _mm_unpackhi_epi32(err1, zero); // 0 |e1| 0 |e2|
total_err3 = _mm_add_epi64(total_err3, err0); // te3 te4
total_err1 = _mm_add_epi64(total_err1, err1); // te1 te2
}
}
m128i_to_i64(total_error_0, total_err0);
m128i_to_i64(total_error_4, total_err3);
m128i_to_i64(total_error_2, total_err1);
total_err3 = _mm_srli_si128(total_err3, 8); // 0 te3
total_err1 = _mm_srli_si128(total_err1, 8); // 0 te1
m128i_to_i64(total_error_3, total_err3);
m128i_to_i64(total_error_1, total_err1);
/* prefer higher order */
if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
order = 0;
else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
order = 1;
else if(total_error_2 < flac_min(total_error_3, total_error_4))
order = 2;
else if(total_error_3 < total_error_4)
order = 3;
else
order = 4;
/* Estimate the expected number of bits per residual signal sample. */
/* 'total_error*' is linearly related to the variance of the residual */
/* signal, so we use it directly to compute E(|x|) */
FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
return order;
}
#endif /* FLAC__SSSE3_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2004-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "FLAC/assert.h"
#include "share/compat.h"
#include "private/float.h"
#ifdef FLAC__INTEGER_ONLY_LIBRARY
const FLAC__fixedpoint FLAC__FP_ZERO = 0;
const FLAC__fixedpoint FLAC__FP_ONE_HALF = 0x00008000;
const FLAC__fixedpoint FLAC__FP_ONE = 0x00010000;
const FLAC__fixedpoint FLAC__FP_LN2 = 45426;
const FLAC__fixedpoint FLAC__FP_E = 178145;
/* Lookup tables for Knuth's logarithm algorithm */
#define LOG2_LOOKUP_PRECISION 16
static const FLAC__uint32 log2_lookup[][LOG2_LOOKUP_PRECISION] = {
{
/*
* 0 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x00000001,
/* lg(4/3) = */ 0x00000000,
/* lg(8/7) = */ 0x00000000,
/* lg(16/15) = */ 0x00000000,
/* lg(32/31) = */ 0x00000000,
/* lg(64/63) = */ 0x00000000,
/* lg(128/127) = */ 0x00000000,
/* lg(256/255) = */ 0x00000000,
/* lg(512/511) = */ 0x00000000,
/* lg(1024/1023) = */ 0x00000000,
/* lg(2048/2047) = */ 0x00000000,
/* lg(4096/4095) = */ 0x00000000,
/* lg(8192/8191) = */ 0x00000000,
/* lg(16384/16383) = */ 0x00000000,
/* lg(32768/32767) = */ 0x00000000
},
{
/*
* 4 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x00000010,
/* lg(4/3) = */ 0x00000007,
/* lg(8/7) = */ 0x00000003,
/* lg(16/15) = */ 0x00000001,
/* lg(32/31) = */ 0x00000001,
/* lg(64/63) = */ 0x00000000,
/* lg(128/127) = */ 0x00000000,
/* lg(256/255) = */ 0x00000000,
/* lg(512/511) = */ 0x00000000,
/* lg(1024/1023) = */ 0x00000000,
/* lg(2048/2047) = */ 0x00000000,
/* lg(4096/4095) = */ 0x00000000,
/* lg(8192/8191) = */ 0x00000000,
/* lg(16384/16383) = */ 0x00000000,
/* lg(32768/32767) = */ 0x00000000
},
{
/*
* 8 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x00000100,
/* lg(4/3) = */ 0x0000006a,
/* lg(8/7) = */ 0x00000031,
/* lg(16/15) = */ 0x00000018,
/* lg(32/31) = */ 0x0000000c,
/* lg(64/63) = */ 0x00000006,
/* lg(128/127) = */ 0x00000003,
/* lg(256/255) = */ 0x00000001,
/* lg(512/511) = */ 0x00000001,
/* lg(1024/1023) = */ 0x00000000,
/* lg(2048/2047) = */ 0x00000000,
/* lg(4096/4095) = */ 0x00000000,
/* lg(8192/8191) = */ 0x00000000,
/* lg(16384/16383) = */ 0x00000000,
/* lg(32768/32767) = */ 0x00000000
},
{
/*
* 12 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x00001000,
/* lg(4/3) = */ 0x000006a4,
/* lg(8/7) = */ 0x00000315,
/* lg(16/15) = */ 0x0000017d,
/* lg(32/31) = */ 0x000000bc,
/* lg(64/63) = */ 0x0000005d,
/* lg(128/127) = */ 0x0000002e,
/* lg(256/255) = */ 0x00000017,
/* lg(512/511) = */ 0x0000000c,
/* lg(1024/1023) = */ 0x00000006,
/* lg(2048/2047) = */ 0x00000003,
/* lg(4096/4095) = */ 0x00000001,
/* lg(8192/8191) = */ 0x00000001,
/* lg(16384/16383) = */ 0x00000000,
/* lg(32768/32767) = */ 0x00000000
},
{
/*
* 16 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x00010000,
/* lg(4/3) = */ 0x00006a40,
/* lg(8/7) = */ 0x00003151,
/* lg(16/15) = */ 0x000017d6,
/* lg(32/31) = */ 0x00000bba,
/* lg(64/63) = */ 0x000005d1,
/* lg(128/127) = */ 0x000002e6,
/* lg(256/255) = */ 0x00000172,
/* lg(512/511) = */ 0x000000b9,
/* lg(1024/1023) = */ 0x0000005c,
/* lg(2048/2047) = */ 0x0000002e,
/* lg(4096/4095) = */ 0x00000017,
/* lg(8192/8191) = */ 0x0000000c,
/* lg(16384/16383) = */ 0x00000006,
/* lg(32768/32767) = */ 0x00000003
},
{
/*
* 20 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x00100000,
/* lg(4/3) = */ 0x0006a3fe,
/* lg(8/7) = */ 0x00031513,
/* lg(16/15) = */ 0x00017d60,
/* lg(32/31) = */ 0x0000bb9d,
/* lg(64/63) = */ 0x00005d10,
/* lg(128/127) = */ 0x00002e59,
/* lg(256/255) = */ 0x00001721,
/* lg(512/511) = */ 0x00000b8e,
/* lg(1024/1023) = */ 0x000005c6,
/* lg(2048/2047) = */ 0x000002e3,
/* lg(4096/4095) = */ 0x00000171,
/* lg(8192/8191) = */ 0x000000b9,
/* lg(16384/16383) = */ 0x0000005c,
/* lg(32768/32767) = */ 0x0000002e
},
{
/*
* 24 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x01000000,
/* lg(4/3) = */ 0x006a3fe6,
/* lg(8/7) = */ 0x00315130,
/* lg(16/15) = */ 0x0017d605,
/* lg(32/31) = */ 0x000bb9ca,
/* lg(64/63) = */ 0x0005d0fc,
/* lg(128/127) = */ 0x0002e58f,
/* lg(256/255) = */ 0x0001720e,
/* lg(512/511) = */ 0x0000b8d8,
/* lg(1024/1023) = */ 0x00005c61,
/* lg(2048/2047) = */ 0x00002e2d,
/* lg(4096/4095) = */ 0x00001716,
/* lg(8192/8191) = */ 0x00000b8b,
/* lg(16384/16383) = */ 0x000005c5,
/* lg(32768/32767) = */ 0x000002e3
},
{
/*
* 28 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ 0x10000000,
/* lg(4/3) = */ 0x06a3fe5c,
/* lg(8/7) = */ 0x03151301,
/* lg(16/15) = */ 0x017d6049,
/* lg(32/31) = */ 0x00bb9ca6,
/* lg(64/63) = */ 0x005d0fba,
/* lg(128/127) = */ 0x002e58f7,
/* lg(256/255) = */ 0x001720da,
/* lg(512/511) = */ 0x000b8d87,
/* lg(1024/1023) = */ 0x0005c60b,
/* lg(2048/2047) = */ 0x0002e2d7,
/* lg(4096/4095) = */ 0x00017160,
/* lg(8192/8191) = */ 0x0000b8ad,
/* lg(16384/16383) = */ 0x00005c56,
/* lg(32768/32767) = */ 0x00002e2b
}
};
#if 0
static const FLAC__uint64 log2_lookup_wide[] = {
{
/*
* 32 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ FLAC__U64L(0x100000000),
/* lg(4/3) = */ FLAC__U64L(0x6a3fe5c6),
/* lg(8/7) = */ FLAC__U64L(0x31513015),
/* lg(16/15) = */ FLAC__U64L(0x17d60497),
/* lg(32/31) = */ FLAC__U64L(0x0bb9ca65),
/* lg(64/63) = */ FLAC__U64L(0x05d0fba2),
/* lg(128/127) = */ FLAC__U64L(0x02e58f74),
/* lg(256/255) = */ FLAC__U64L(0x01720d9c),
/* lg(512/511) = */ FLAC__U64L(0x00b8d875),
/* lg(1024/1023) = */ FLAC__U64L(0x005c60aa),
/* lg(2048/2047) = */ FLAC__U64L(0x002e2d72),
/* lg(4096/4095) = */ FLAC__U64L(0x00171600),
/* lg(8192/8191) = */ FLAC__U64L(0x000b8ad2),
/* lg(16384/16383) = */ FLAC__U64L(0x0005c55d),
/* lg(32768/32767) = */ FLAC__U64L(0x0002e2ac)
},
{
/*
* 48 fraction bits
*/
/* undefined */ 0x00000000,
/* lg(2/1) = */ FLAC__U64L(0x1000000000000),
/* lg(4/3) = */ FLAC__U64L(0x6a3fe5c60429),
/* lg(8/7) = */ FLAC__U64L(0x315130157f7a),
/* lg(16/15) = */ FLAC__U64L(0x17d60496cfbb),
/* lg(32/31) = */ FLAC__U64L(0xbb9ca64ecac),
/* lg(64/63) = */ FLAC__U64L(0x5d0fba187cd),
/* lg(128/127) = */ FLAC__U64L(0x2e58f7441ee),
/* lg(256/255) = */ FLAC__U64L(0x1720d9c06a8),
/* lg(512/511) = */ FLAC__U64L(0xb8d8752173),
/* lg(1024/1023) = */ FLAC__U64L(0x5c60aa252e),
/* lg(2048/2047) = */ FLAC__U64L(0x2e2d71b0d8),
/* lg(4096/4095) = */ FLAC__U64L(0x1716001719),
/* lg(8192/8191) = */ FLAC__U64L(0xb8ad1de1b),
/* lg(16384/16383) = */ FLAC__U64L(0x5c55d640d),
/* lg(32768/32767) = */ FLAC__U64L(0x2e2abcf52)
}
};
#endif
FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, uint32_t fracbits, uint32_t precision)
{
const FLAC__uint32 ONE = (1u << fracbits);
const FLAC__uint32 *table = log2_lookup[fracbits >> 2];
FLAC__ASSERT(fracbits < 32);
FLAC__ASSERT((fracbits & 0x3) == 0);
if(x < ONE)
return 0;
if(precision > LOG2_LOOKUP_PRECISION)
precision = LOG2_LOOKUP_PRECISION;
/* Knuth's algorithm for computing logarithms, optimized for base-2 with lookup tables */
{
FLAC__uint32 y = 0;
FLAC__uint32 z = x >> 1, k = 1;
while (x > ONE && k < precision) {
if (x - z >= ONE) {
x -= z;
z = x >> k;
y += table[k];
}
else {
z >>= 1;
k++;
}
}
return y;
}
}
#endif /* defined FLAC__INTEGER_ONLY_LIBRARY */

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TMessagesProj/jni/exoplayer/libFLAC/format.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h> /* for qsort() */
#include <string.h> /* for memset() */
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include "share/alloc.h"
#include "share/compat.h"
#include "private/format.h"
#include "private/macros.h"
/* PACKAGE_VERSION should come from configure */
#define PACKAGE_VERSION "1.3.2"
FLAC_API const char *FLAC__VERSION_STRING = PACKAGE_VERSION;
FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " PACKAGE_VERSION " 20170101";
FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
FLAC_API const uint32_t FLAC__STREAM_SYNC = 0x664C6143;
FLAC_API const uint32_t FLAC__STREAM_SYNC_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = FLAC__U64L(0xffffffffffffffff);
FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN = 64; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN = 8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN = 3*8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN = 64; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN = 8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN = 12*8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN = 1; /* bit */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN = 1; /* bit */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN = 6+13*8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN = 8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN = 128*8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN = 64; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN = 1; /* bit */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN = 7+258*8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN = 8; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_TYPE_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_COLORS_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN = 32; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
FLAC_API const uint32_t FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC = 0x3ffe;
FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_RESERVED_LEN = 1; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN = 1; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
FLAC_API const uint32_t FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */
FLAC_API const uint32_t FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN = 5; /* bits */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER = 31; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN)-1 */
FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[] = {
"PARTITIONED_RICE",
"PARTITIONED_RICE2"
};
FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
FLAC_API const uint32_t FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */
FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */
FLAC_API const uint32_t FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */
FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00;
FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02;
FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10;
FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40;
FLAC_API const char * const FLAC__SubframeTypeString[] = {
"CONSTANT",
"VERBATIM",
"FIXED",
"LPC"
};
FLAC_API const char * const FLAC__ChannelAssignmentString[] = {
"INDEPENDENT",
"LEFT_SIDE",
"RIGHT_SIDE",
"MID_SIDE"
};
FLAC_API const char * const FLAC__FrameNumberTypeString[] = {
"FRAME_NUMBER_TYPE_FRAME_NUMBER",
"FRAME_NUMBER_TYPE_SAMPLE_NUMBER"
};
FLAC_API const char * const FLAC__MetadataTypeString[] = {
"STREAMINFO",
"PADDING",
"APPLICATION",
"SEEKTABLE",
"VORBIS_COMMENT",
"CUESHEET",
"PICTURE"
};
FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[] = {
"Other",
"32x32 pixels 'file icon' (PNG only)",
"Other file icon",
"Cover (front)",
"Cover (back)",
"Leaflet page",
"Media (e.g. label side of CD)",
"Lead artist/lead performer/soloist",
"Artist/performer",
"Conductor",
"Band/Orchestra",
"Composer",
"Lyricist/text writer",
"Recording Location",
"During recording",
"During performance",
"Movie/video screen capture",
"A bright coloured fish",
"Illustration",
"Band/artist logotype",
"Publisher/Studio logotype"
};
FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(uint32_t sample_rate)
{
if(sample_rate == 0 || sample_rate > FLAC__MAX_SAMPLE_RATE) {
return false;
}
else
return true;
}
FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(uint32_t blocksize, uint32_t sample_rate)
{
if(blocksize > 16384)
return false;
else if(sample_rate <= 48000 && blocksize > 4608)
return false;
else
return true;
}
FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(uint32_t sample_rate)
{
if(
!FLAC__format_sample_rate_is_valid(sample_rate) ||
(
sample_rate >= (1u << 16) &&
!(sample_rate % 1000 == 0 || sample_rate % 10 == 0)
)
) {
return false;
}
else
return true;
}
/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table)
{
uint32_t i;
FLAC__uint64 prev_sample_number = 0;
FLAC__bool got_prev = false;
FLAC__ASSERT(0 != seek_table);
for(i = 0; i < seek_table->num_points; i++) {
if(got_prev) {
if(
seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER &&
seek_table->points[i].sample_number <= prev_sample_number
)
return false;
}
prev_sample_number = seek_table->points[i].sample_number;
got_prev = true;
}
return true;
}
/* used as the sort predicate for qsort() */
static int seekpoint_compare_(const FLAC__StreamMetadata_SeekPoint *l, const FLAC__StreamMetadata_SeekPoint *r)
{
/* we don't just 'return l->sample_number - r->sample_number' since the result (FLAC__int64) might overflow an 'int' */
if(l->sample_number == r->sample_number)
return 0;
else if(l->sample_number < r->sample_number)
return -1;
else
return 1;
}
/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
FLAC_API uint32_t FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table)
{
uint32_t i, j;
FLAC__bool first;
FLAC__ASSERT(0 != seek_table);
if (seek_table->num_points == 0)
return 0;
/* sort the seekpoints */
qsort(seek_table->points, seek_table->num_points, sizeof(FLAC__StreamMetadata_SeekPoint), (int (*)(const void *, const void *))seekpoint_compare_);
/* uniquify the seekpoints */
first = true;
for(i = j = 0; i < seek_table->num_points; i++) {
if(seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
if(!first) {
if(seek_table->points[i].sample_number == seek_table->points[j-1].sample_number)
continue;
}
}
first = false;
seek_table->points[j++] = seek_table->points[i];
}
for(i = j; i < seek_table->num_points; i++) {
seek_table->points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
seek_table->points[i].stream_offset = 0;
seek_table->points[i].frame_samples = 0;
}
return j;
}
/*
* also disallows non-shortest-form encodings, c.f.
* http://www.unicode.org/versions/corrigendum1.html
* and a more clear explanation at the end of this section:
* http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
*/
static uint32_t utf8len_(const FLAC__byte *utf8)
{
FLAC__ASSERT(0 != utf8);
if ((utf8[0] & 0x80) == 0) {
return 1;
}
else if ((utf8[0] & 0xE0) == 0xC0 && (utf8[1] & 0xC0) == 0x80) {
if ((utf8[0] & 0xFE) == 0xC0) /* overlong sequence check */
return 0;
return 2;
}
else if ((utf8[0] & 0xF0) == 0xE0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80) {
if (utf8[0] == 0xE0 && (utf8[1] & 0xE0) == 0x80) /* overlong sequence check */
return 0;
/* illegal surrogates check (U+D800...U+DFFF and U+FFFE...U+FFFF) */
if (utf8[0] == 0xED && (utf8[1] & 0xE0) == 0xA0) /* D800-DFFF */
return 0;
if (utf8[0] == 0xEF && utf8[1] == 0xBF && (utf8[2] & 0xFE) == 0xBE) /* FFFE-FFFF */
return 0;
return 3;
}
else if ((utf8[0] & 0xF8) == 0xF0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80) {
if (utf8[0] == 0xF0 && (utf8[1] & 0xF0) == 0x80) /* overlong sequence check */
return 0;
return 4;
}
else if ((utf8[0] & 0xFC) == 0xF8 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80) {
if (utf8[0] == 0xF8 && (utf8[1] & 0xF8) == 0x80) /* overlong sequence check */
return 0;
return 5;
}
else if ((utf8[0] & 0xFE) == 0xFC && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80 && (utf8[5] & 0xC0) == 0x80) {
if (utf8[0] == 0xFC && (utf8[1] & 0xFC) == 0x80) /* overlong sequence check */
return 0;
return 6;
}
else {
return 0;
}
}
FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name)
{
char c;
for(c = *name; c; c = *(++name))
if(c < 0x20 || c == 0x3d || c > 0x7d)
return false;
return true;
}
FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, uint32_t length)
{
if(length == (uint32_t)(-1)) {
while(*value) {
uint32_t n = utf8len_(value);
if(n == 0)
return false;
value += n;
}
}
else {
const FLAC__byte *end = value + length;
while(value < end) {
uint32_t n = utf8len_(value);
if(n == 0)
return false;
value += n;
}
if(value != end)
return false;
}
return true;
}
FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, uint32_t length)
{
const FLAC__byte *s, *end;
for(s = entry, end = s + length; s < end && *s != '='; s++) {
if(*s < 0x20 || *s > 0x7D)
return false;
}
if(s == end)
return false;
s++; /* skip '=' */
while(s < end) {
uint32_t n = utf8len_(s);
if(n == 0)
return false;
s += n;
}
if(s != end)
return false;
return true;
}
/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation)
{
uint32_t i, j;
if(check_cd_da_subset) {
if(cue_sheet->lead_in < 2 * 44100) {
if(violation) *violation = "CD-DA cue sheet must have a lead-in length of at least 2 seconds";
return false;
}
if(cue_sheet->lead_in % 588 != 0) {
if(violation) *violation = "CD-DA cue sheet lead-in length must be evenly divisible by 588 samples";
return false;
}
}
if(cue_sheet->num_tracks == 0) {
if(violation) *violation = "cue sheet must have at least one track (the lead-out)";
return false;
}
if(check_cd_da_subset && cue_sheet->tracks[cue_sheet->num_tracks-1].number != 170) {
if(violation) *violation = "CD-DA cue sheet must have a lead-out track number 170 (0xAA)";
return false;
}
for(i = 0; i < cue_sheet->num_tracks; i++) {
if(cue_sheet->tracks[i].number == 0) {
if(violation) *violation = "cue sheet may not have a track number 0";
return false;
}
if(check_cd_da_subset) {
if(!((cue_sheet->tracks[i].number >= 1 && cue_sheet->tracks[i].number <= 99) || cue_sheet->tracks[i].number == 170)) {
if(violation) *violation = "CD-DA cue sheet track number must be 1-99 or 170";
return false;
}
}
if(check_cd_da_subset && cue_sheet->tracks[i].offset % 588 != 0) {
if(violation) {
if(i == cue_sheet->num_tracks-1) /* the lead-out track... */
*violation = "CD-DA cue sheet lead-out offset must be evenly divisible by 588 samples";
else
*violation = "CD-DA cue sheet track offset must be evenly divisible by 588 samples";
}
return false;
}
if(i < cue_sheet->num_tracks - 1) {
if(cue_sheet->tracks[i].num_indices == 0) {
if(violation) *violation = "cue sheet track must have at least one index point";
return false;
}
if(cue_sheet->tracks[i].indices[0].number > 1) {
if(violation) *violation = "cue sheet track's first index number must be 0 or 1";
return false;
}
}
for(j = 0; j < cue_sheet->tracks[i].num_indices; j++) {
if(check_cd_da_subset && cue_sheet->tracks[i].indices[j].offset % 588 != 0) {
if(violation) *violation = "CD-DA cue sheet track index offset must be evenly divisible by 588 samples";
return false;
}
if(j > 0) {
if(cue_sheet->tracks[i].indices[j].number != cue_sheet->tracks[i].indices[j-1].number + 1) {
if(violation) *violation = "cue sheet track index numbers must increase by 1";
return false;
}
}
}
}
return true;
}
/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation)
{
char *p;
FLAC__byte *b;
for(p = picture->mime_type; *p; p++) {
if(*p < 0x20 || *p > 0x7e) {
if(violation) *violation = "MIME type string must contain only printable ASCII characters (0x20-0x7e)";
return false;
}
}
for(b = picture->description; *b; ) {
uint32_t n = utf8len_(b);
if(n == 0) {
if(violation) *violation = "description string must be valid UTF-8";
return false;
}
b += n;
}
return true;
}
/*
* These routines are private to libFLAC
*/
uint32_t FLAC__format_get_max_rice_partition_order(uint32_t blocksize, uint32_t predictor_order)
{
return
FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(
FLAC__format_get_max_rice_partition_order_from_blocksize(blocksize),
blocksize,
predictor_order
);
}
uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize(uint32_t blocksize)
{
uint32_t max_rice_partition_order = 0;
while(!(blocksize & 1)) {
max_rice_partition_order++;
blocksize >>= 1;
}
return flac_min(FLAC__MAX_RICE_PARTITION_ORDER, max_rice_partition_order);
}
uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(uint32_t limit, uint32_t blocksize, uint32_t predictor_order)
{
uint32_t max_rice_partition_order = limit;
while(max_rice_partition_order > 0 && (blocksize >> max_rice_partition_order) <= predictor_order)
max_rice_partition_order--;
FLAC__ASSERT(
(max_rice_partition_order == 0 && blocksize >= predictor_order) ||
(max_rice_partition_order > 0 && blocksize >> max_rice_partition_order > predictor_order)
);
return max_rice_partition_order;
}
void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object)
{
FLAC__ASSERT(0 != object);
object->parameters = 0;
object->raw_bits = 0;
object->capacity_by_order = 0;
}
void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object)
{
FLAC__ASSERT(0 != object);
if(0 != object->parameters)
free(object->parameters);
if(0 != object->raw_bits)
free(object->raw_bits);
FLAC__format_entropy_coding_method_partitioned_rice_contents_init(object);
}
FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, uint32_t max_partition_order)
{
FLAC__ASSERT(0 != object);
FLAC__ASSERT(object->capacity_by_order > 0 || (0 == object->parameters && 0 == object->raw_bits));
if(object->capacity_by_order < max_partition_order) {
if(0 == (object->parameters = safe_realloc_(object->parameters, sizeof(uint32_t)*(1 << max_partition_order))))
return false;
if(0 == (object->raw_bits = safe_realloc_(object->raw_bits, sizeof(uint32_t)*(1 << max_partition_order))))
return false;
memset(object->raw_bits, 0, sizeof(uint32_t)*(1 << max_partition_order));
object->capacity_by_order = max_partition_order;
}
return true;
}

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TMessagesProj/jni/exoplayer/libFLAC/include/FLAC/all.h Executable file
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@ -0,0 +1,371 @@
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__ALL_H
#define FLAC__ALL_H
#include "export.h"
#include "assert.h"
#include "callback.h"
#include "format.h"
#include "metadata.h"
#include "ordinals.h"
#include "stream_decoder.h"
#include "stream_encoder.h"
/** \mainpage
*
* \section intro Introduction
*
* This is the documentation for the FLAC C and C++ APIs. It is
* highly interconnected; this introduction should give you a top
* level idea of the structure and how to find the information you
* need. As a prerequisite you should have at least a basic
* knowledge of the FLAC format, documented
* <A HREF="../format.html">here</A>.
*
* \section c_api FLAC C API
*
* The FLAC C API is the interface to libFLAC, a set of structures
* describing the components of FLAC streams, and functions for
* encoding and decoding streams, as well as manipulating FLAC
* metadata in files. The public include files will be installed
* in your include area (for example /usr/include/FLAC/...).
*
* By writing a little code and linking against libFLAC, it is
* relatively easy to add FLAC support to another program. The
* library is licensed under <A HREF="../license.html">Xiph's BSD license</A>.
* Complete source code of libFLAC as well as the command-line
* encoder and plugins is available and is a useful source of
* examples.
*
* Aside from encoders and decoders, libFLAC provides a powerful
* metadata interface for manipulating metadata in FLAC files. It
* allows the user to add, delete, and modify FLAC metadata blocks
* and it can automatically take advantage of PADDING blocks to avoid
* rewriting the entire FLAC file when changing the size of the
* metadata.
*
* libFLAC usually only requires the standard C library and C math
* library. In particular, threading is not used so there is no
* dependency on a thread library. However, libFLAC does not use
* global variables and should be thread-safe.
*
* libFLAC also supports encoding to and decoding from Ogg FLAC.
* However the metadata editing interfaces currently have limited
* read-only support for Ogg FLAC files.
*
* \section cpp_api FLAC C++ API
*
* The FLAC C++ API is a set of classes that encapsulate the
* structures and functions in libFLAC. They provide slightly more
* functionality with respect to metadata but are otherwise
* equivalent. For the most part, they share the same usage as
* their counterparts in libFLAC, and the FLAC C API documentation
* can be used as a supplement. The public include files
* for the C++ API will be installed in your include area (for
* example /usr/include/FLAC++/...).
*
* libFLAC++ is also licensed under
* <A HREF="../license.html">Xiph's BSD license</A>.
*
* \section getting_started Getting Started
*
* A good starting point for learning the API is to browse through
* the <A HREF="modules.html">modules</A>. Modules are logical
* groupings of related functions or classes, which correspond roughly
* to header files or sections of header files. Each module includes a
* detailed description of the general usage of its functions or
* classes.
*
* From there you can go on to look at the documentation of
* individual functions. You can see different views of the individual
* functions through the links in top bar across this page.
*
* If you prefer a more hands-on approach, you can jump right to some
* <A HREF="../documentation_example_code.html">example code</A>.
*
* \section porting_guide Porting Guide
*
* Starting with FLAC 1.1.3 a \link porting Porting Guide \endlink
* has been introduced which gives detailed instructions on how to
* port your code to newer versions of FLAC.
*
* \section embedded_developers Embedded Developers
*
* libFLAC has grown larger over time as more functionality has been
* included, but much of it may be unnecessary for a particular embedded
* implementation. Unused parts may be pruned by some simple editing of
* src/libFLAC/Makefile.am. In general, the decoders, encoders, and
* metadata interface are all independent from each other.
*
* It is easiest to just describe the dependencies:
*
* - All modules depend on the \link flac_format Format \endlink module.
* - The decoders and encoders depend on the bitbuffer.
* - The decoder is independent of the encoder. The encoder uses the
* decoder because of the verify feature, but this can be removed if
* not needed.
* - Parts of the metadata interface require the stream decoder (but not
* the encoder).
* - Ogg support is selectable through the compile time macro
* \c FLAC__HAS_OGG.
*
* For example, if your application only requires the stream decoder, no
* encoder, and no metadata interface, you can remove the stream encoder
* and the metadata interface, which will greatly reduce the size of the
* library.
*
* Also, there are several places in the libFLAC code with comments marked
* with "OPT:" where a #define can be changed to enable code that might be
* faster on a specific platform. Experimenting with these can yield faster
* binaries.
*/
/** \defgroup porting Porting Guide for New Versions
*
* This module describes differences in the library interfaces from
* version to version. It assists in the porting of code that uses
* the libraries to newer versions of FLAC.
*
* One simple facility for making porting easier that has been added
* in FLAC 1.1.3 is a set of \c #defines in \c export.h of each
* library's includes (e.g. \c include/FLAC/export.h). The
* \c #defines mirror the libraries'
* <A HREF="http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning">libtool version numbers</A>,
* e.g. in libFLAC there are \c FLAC_API_VERSION_CURRENT,
* \c FLAC_API_VERSION_REVISION, and \c FLAC_API_VERSION_AGE.
* These can be used to support multiple versions of an API during the
* transition phase, e.g.
*
* \code
* #if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
* legacy code
* #else
* new code
* #endif
* \endcode
*
* The source will work for multiple versions and the legacy code can
* easily be removed when the transition is complete.
*
* Another available symbol is FLAC_API_SUPPORTS_OGG_FLAC (defined in
* include/FLAC/export.h), which can be used to determine whether or not
* the library has been compiled with support for Ogg FLAC. This is
* simpler than trying to call an Ogg init function and catching the
* error.
*/
/** \defgroup porting_1_1_2_to_1_1_3 Porting from FLAC 1.1.2 to 1.1.3
* \ingroup porting
*
* \brief
* This module describes porting from FLAC 1.1.2 to FLAC 1.1.3.
*
* The main change between the APIs in 1.1.2 and 1.1.3 is that they have
* been simplified. First, libOggFLAC has been merged into libFLAC and
* libOggFLAC++ has been merged into libFLAC++. Second, both the three
* decoding layers and three encoding layers have been merged into a
* single stream decoder and stream encoder. That is, the functionality
* of FLAC__SeekableStreamDecoder and FLAC__FileDecoder has been merged
* into FLAC__StreamDecoder, and FLAC__SeekableStreamEncoder and
* FLAC__FileEncoder into FLAC__StreamEncoder. Only the
* FLAC__StreamDecoder and FLAC__StreamEncoder remain. What this means
* is there is now a single API that can be used to encode or decode
* streams to/from native FLAC or Ogg FLAC and the single API can work
* on both seekable and non-seekable streams.
*
* Instead of creating an encoder or decoder of a certain layer, now the
* client will always create a FLAC__StreamEncoder or
* FLAC__StreamDecoder. The old layers are now differentiated by the
* initialization function. For example, for the decoder,
* FLAC__stream_decoder_init() has been replaced by
* FLAC__stream_decoder_init_stream(). This init function takes
* callbacks for the I/O, and the seeking callbacks are optional. This
* allows the client to use the same object for seekable and
* non-seekable streams. For decoding a FLAC file directly, the client
* can use FLAC__stream_decoder_init_file() and pass just a filename
* and fewer callbacks; most of the other callbacks are supplied
* internally. For situations where fopen()ing by filename is not
* possible (e.g. Unicode filenames on Windows) the client can instead
* open the file itself and supply the FILE* to
* FLAC__stream_decoder_init_FILE(). The init functions now returns a
* FLAC__StreamDecoderInitStatus instead of FLAC__StreamDecoderState.
* Since the callbacks and client data are now passed to the init
* function, the FLAC__stream_decoder_set_*_callback() functions and
* FLAC__stream_decoder_set_client_data() are no longer needed. The
* rest of the calls to the decoder are the same as before.
*
* There are counterpart init functions for Ogg FLAC, e.g.
* FLAC__stream_decoder_init_ogg_stream(). All the rest of the calls
* and callbacks are the same as for native FLAC.
*
* As an example, in FLAC 1.1.2 a seekable stream decoder would have
* been set up like so:
*
* \code
* FLAC__SeekableStreamDecoder *decoder = FLAC__seekable_stream_decoder_new();
* if(decoder == NULL) do_something;
* FLAC__seekable_stream_decoder_set_md5_checking(decoder, true);
* [... other settings ...]
* FLAC__seekable_stream_decoder_set_read_callback(decoder, my_read_callback);
* FLAC__seekable_stream_decoder_set_seek_callback(decoder, my_seek_callback);
* FLAC__seekable_stream_decoder_set_tell_callback(decoder, my_tell_callback);
* FLAC__seekable_stream_decoder_set_length_callback(decoder, my_length_callback);
* FLAC__seekable_stream_decoder_set_eof_callback(decoder, my_eof_callback);
* FLAC__seekable_stream_decoder_set_write_callback(decoder, my_write_callback);
* FLAC__seekable_stream_decoder_set_metadata_callback(decoder, my_metadata_callback);
* FLAC__seekable_stream_decoder_set_error_callback(decoder, my_error_callback);
* FLAC__seekable_stream_decoder_set_client_data(decoder, my_client_data);
* if(FLAC__seekable_stream_decoder_init(decoder) != FLAC__SEEKABLE_STREAM_DECODER_OK) do_something;
* \endcode
*
* In FLAC 1.1.3 it is like this:
*
* \code
* FLAC__StreamDecoder *decoder = FLAC__stream_decoder_new();
* if(decoder == NULL) do_something;
* FLAC__stream_decoder_set_md5_checking(decoder, true);
* [... other settings ...]
* if(FLAC__stream_decoder_init_stream(
* decoder,
* my_read_callback,
* my_seek_callback, // or NULL
* my_tell_callback, // or NULL
* my_length_callback, // or NULL
* my_eof_callback, // or NULL
* my_write_callback,
* my_metadata_callback, // or NULL
* my_error_callback,
* my_client_data
* ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
* \endcode
*
* or you could do;
*
* \code
* [...]
* FILE *file = fopen("somefile.flac","rb");
* if(file == NULL) do_somthing;
* if(FLAC__stream_decoder_init_FILE(
* decoder,
* file,
* my_write_callback,
* my_metadata_callback, // or NULL
* my_error_callback,
* my_client_data
* ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
* \endcode
*
* or just:
*
* \code
* [...]
* if(FLAC__stream_decoder_init_file(
* decoder,
* "somefile.flac",
* my_write_callback,
* my_metadata_callback, // or NULL
* my_error_callback,
* my_client_data
* ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
* \endcode
*
* Another small change to the decoder is in how it handles unparseable
* streams. Before, when the decoder found an unparseable stream
* (reserved for when the decoder encounters a stream from a future
* encoder that it can't parse), it changed the state to
* \c FLAC__STREAM_DECODER_UNPARSEABLE_STREAM. Now the decoder instead
* drops sync and calls the error callback with a new error code
* \c FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM. This is
* more robust. If your error callback does not discriminate on the the
* error state, your code does not need to be changed.
*
* The encoder now has a new setting:
* FLAC__stream_encoder_set_apodization(). This is for setting the
* method used to window the data before LPC analysis. You only need to
* add a call to this function if the default is not suitable. There
* are also two new convenience functions that may be useful:
* FLAC__metadata_object_cuesheet_calculate_cddb_id() and
* FLAC__metadata_get_cuesheet().
*
* The \a bytes parameter to FLAC__StreamDecoderReadCallback,
* FLAC__StreamEncoderReadCallback, and FLAC__StreamEncoderWriteCallback
* is now \c size_t instead of \c uint32_t.
*/
/** \defgroup porting_1_1_3_to_1_1_4 Porting from FLAC 1.1.3 to 1.1.4
* \ingroup porting
*
* \brief
* This module describes porting from FLAC 1.1.3 to FLAC 1.1.4.
*
* There were no changes to any of the interfaces from 1.1.3 to 1.1.4.
* There was a slight change in the implementation of
* FLAC__stream_encoder_set_metadata(); the function now makes a copy
* of the \a metadata array of pointers so the client no longer needs
* to maintain it after the call. The objects themselves that are
* pointed to by the array are still not copied though and must be
* maintained until the call to FLAC__stream_encoder_finish().
*/
/** \defgroup porting_1_1_4_to_1_2_0 Porting from FLAC 1.1.4 to 1.2.0
* \ingroup porting
*
* \brief
* This module describes porting from FLAC 1.1.4 to FLAC 1.2.0.
*
* There were only very minor changes to the interfaces from 1.1.4 to 1.2.0.
* In libFLAC, \c FLAC__format_sample_rate_is_subset() was added.
* In libFLAC++, \c FLAC::Decoder::Stream::get_decode_position() was added.
*
* Finally, value of the constant \c FLAC__FRAME_HEADER_RESERVED_LEN
* has changed to reflect the conversion of one of the reserved bits
* into active use. It used to be \c 2 and now is \c 1. However the
* FLAC frame header length has not changed, so to skip the proper
* number of bits, use \c FLAC__FRAME_HEADER_RESERVED_LEN +
* \c FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN
*/
/** \defgroup flac FLAC C API
*
* The FLAC C API is the interface to libFLAC, a set of structures
* describing the components of FLAC streams, and functions for
* encoding and decoding streams, as well as manipulating FLAC
* metadata in files.
*
* You should start with the format components as all other modules
* are dependent on it.
*/
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__ASSERT_H
#define FLAC__ASSERT_H
/* we need this since some compilers (like MSVC) leave assert()s on release code (and we don't want to use their ASSERT) */
#ifndef NDEBUG
#include <assert.h>
#define FLAC__ASSERT(x) assert(x)
#define FLAC__ASSERT_DECLARATION(x) x
#else
#define FLAC__ASSERT(x)
#define FLAC__ASSERT_DECLARATION(x)
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2004-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__CALLBACK_H
#define FLAC__CALLBACK_H
#include "ordinals.h"
#include <stdlib.h> /* for size_t */
/** \file include/FLAC/callback.h
*
* \brief
* This module defines the structures for describing I/O callbacks
* to the other FLAC interfaces.
*
* See the detailed documentation for callbacks in the
* \link flac_callbacks callbacks \endlink module.
*/
/** \defgroup flac_callbacks FLAC/callback.h: I/O callback structures
* \ingroup flac
*
* \brief
* This module defines the structures for describing I/O callbacks
* to the other FLAC interfaces.
*
* The purpose of the I/O callback functions is to create a common way
* for the metadata interfaces to handle I/O.
*
* Originally the metadata interfaces required filenames as the way of
* specifying FLAC files to operate on. This is problematic in some
* environments so there is an additional option to specify a set of
* callbacks for doing I/O on the FLAC file, instead of the filename.
*
* In addition to the callbacks, a FLAC__IOHandle type is defined as an
* opaque structure for a data source.
*
* The callback function prototypes are similar (but not identical) to the
* stdio functions fread, fwrite, fseek, ftell, feof, and fclose. If you use
* stdio streams to implement the callbacks, you can pass fread, fwrite, and
* fclose anywhere a FLAC__IOCallback_Read, FLAC__IOCallback_Write, or
* FLAC__IOCallback_Close is required, and a FILE* anywhere a FLAC__IOHandle
* is required. \warning You generally CANNOT directly use fseek or ftell
* for FLAC__IOCallback_Seek or FLAC__IOCallback_Tell since on most systems
* these use 32-bit offsets and FLAC requires 64-bit offsets to deal with
* large files. You will have to find an equivalent function (e.g. ftello),
* or write a wrapper. The same is true for feof() since this is usually
* implemented as a macro, not as a function whose address can be taken.
*
* \{
*/
#ifdef __cplusplus
extern "C" {
#endif
/** This is the opaque handle type used by the callbacks. Typically
* this is a \c FILE* or address of a file descriptor.
*/
typedef void* FLAC__IOHandle;
/** Signature for the read callback.
* The signature and semantics match POSIX fread() implementations
* and can generally be used interchangeably.
*
* \param ptr The address of the read buffer.
* \param size The size of the records to be read.
* \param nmemb The number of records to be read.
* \param handle The handle to the data source.
* \retval size_t
* The number of records read.
*/
typedef size_t (*FLAC__IOCallback_Read) (void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle);
/** Signature for the write callback.
* The signature and semantics match POSIX fwrite() implementations
* and can generally be used interchangeably.
*
* \param ptr The address of the write buffer.
* \param size The size of the records to be written.
* \param nmemb The number of records to be written.
* \param handle The handle to the data source.
* \retval size_t
* The number of records written.
*/
typedef size_t (*FLAC__IOCallback_Write) (const void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle);
/** Signature for the seek callback.
* The signature and semantics mostly match POSIX fseek() WITH ONE IMPORTANT
* EXCEPTION: the offset is a 64-bit type whereas fseek() is generally 'long'
* and 32-bits wide.
*
* \param handle The handle to the data source.
* \param offset The new position, relative to \a whence
* \param whence \c SEEK_SET, \c SEEK_CUR, or \c SEEK_END
* \retval int
* \c 0 on success, \c -1 on error.
*/
typedef int (*FLAC__IOCallback_Seek) (FLAC__IOHandle handle, FLAC__int64 offset, int whence);
/** Signature for the tell callback.
* The signature and semantics mostly match POSIX ftell() WITH ONE IMPORTANT
* EXCEPTION: the offset is a 64-bit type whereas ftell() is generally 'long'
* and 32-bits wide.
*
* \param handle The handle to the data source.
* \retval FLAC__int64
* The current position on success, \c -1 on error.
*/
typedef FLAC__int64 (*FLAC__IOCallback_Tell) (FLAC__IOHandle handle);
/** Signature for the EOF callback.
* The signature and semantics mostly match POSIX feof() but WATCHOUT:
* on many systems, feof() is a macro, so in this case a wrapper function
* must be provided instead.
*
* \param handle The handle to the data source.
* \retval int
* \c 0 if not at end of file, nonzero if at end of file.
*/
typedef int (*FLAC__IOCallback_Eof) (FLAC__IOHandle handle);
/** Signature for the close callback.
* The signature and semantics match POSIX fclose() implementations
* and can generally be used interchangeably.
*
* \param handle The handle to the data source.
* \retval int
* \c 0 on success, \c EOF on error.
*/
typedef int (*FLAC__IOCallback_Close) (FLAC__IOHandle handle);
/** A structure for holding a set of callbacks.
* Each FLAC interface that requires a FLAC__IOCallbacks structure will
* describe which of the callbacks are required. The ones that are not
* required may be set to NULL.
*
* If the seek requirement for an interface is optional, you can signify that
* a data sorce is not seekable by setting the \a seek field to \c NULL.
*/
typedef struct {
FLAC__IOCallback_Read read;
FLAC__IOCallback_Write write;
FLAC__IOCallback_Seek seek;
FLAC__IOCallback_Tell tell;
FLAC__IOCallback_Eof eof;
FLAC__IOCallback_Close close;
} FLAC__IOCallbacks;
/* \} */
#ifdef __cplusplus
}
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__EXPORT_H
#define FLAC__EXPORT_H
/** \file include/FLAC/export.h
*
* \brief
* This module contains #defines and symbols for exporting function
* calls, and providing version information and compiled-in features.
*
* See the \link flac_export export \endlink module.
*/
/** \defgroup flac_export FLAC/export.h: export symbols
* \ingroup flac
*
* \brief
* This module contains #defines and symbols for exporting function
* calls, and providing version information and compiled-in features.
*
* If you are compiling with MSVC and will link to the static library
* (libFLAC.lib) you should define FLAC__NO_DLL in your project to
* make sure the symbols are exported properly.
*
* \{
*/
#if defined(FLAC__NO_DLL)
#define FLAC_API
#elif defined(_MSC_VER)
#ifdef FLAC_API_EXPORTS
#define FLAC_API __declspec(dllexport)
#else
#define FLAC_API __declspec(dllimport)
#endif
#elif defined(FLAC__USE_VISIBILITY_ATTR)
#define FLAC_API __attribute__ ((visibility ("default")))
#else
#define FLAC_API
#endif
/** These #defines will mirror the libtool-based library version number, see
* http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning
*/
#define FLAC_API_VERSION_CURRENT 11
#define FLAC_API_VERSION_REVISION 0 /**< see above */
#define FLAC_API_VERSION_AGE 3 /**< see above */
#ifdef __cplusplus
extern "C" {
#endif
/** \c 1 if the library has been compiled with support for Ogg FLAC, else \c 0. */
extern FLAC_API int FLAC_API_SUPPORTS_OGG_FLAC;
#ifdef __cplusplus
}
#endif
/* \} */
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__ORDINALS_H
#define FLAC__ORDINALS_H
#if defined(_MSC_VER) && _MSC_VER < 1600
/* Microsoft Visual Studio earlier than the 2010 version did not provide
* the 1999 ISO C Standard header file <stdint.h>.
*/
typedef signed __int8 FLAC__int8;
typedef signed __int16 FLAC__int16;
typedef signed __int32 FLAC__int32;
typedef signed __int64 FLAC__int64;
typedef unsigned __int8 FLAC__uint8;
typedef unsigned __int16 FLAC__uint16;
typedef unsigned __int32 FLAC__uint32;
typedef unsigned __int64 FLAC__uint64;
#else
/* For MSVC 2010 and everything else which provides <stdint.h>. */
#include <stdint.h>
typedef int8_t FLAC__int8;
typedef uint8_t FLAC__uint8;
typedef int16_t FLAC__int16;
typedef int32_t FLAC__int32;
typedef int64_t FLAC__int64;
typedef uint16_t FLAC__uint16;
typedef uint32_t FLAC__uint32;
typedef uint64_t FLAC__uint64;
#endif
typedef int FLAC__bool;
typedef FLAC__uint8 FLAC__byte;
#ifdef true
#undef true
#endif
#ifdef false
#undef false
#endif
#ifndef __cplusplus
#define true 1
#define false 0
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__ALL_H
#define FLAC__PRIVATE__ALL_H
#include "bitmath.h"
#include "bitreader.h"
#include "bitwriter.h"
#include "cpu.h"
#include "crc.h"
#include "fixed.h"
#include "float.h"
#include "format.h"
#include "lpc.h"
#include "md5.h"
#include "memory.h"
#include "metadata.h"
#include "stream_encoder_framing.h"
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__BITMATH_H
#define FLAC__PRIVATE__BITMATH_H
#include "FLAC/ordinals.h"
#include "FLAC/assert.h"
#include "share/compat.h"
#if defined(_MSC_VER)
#include <intrin.h> /* for _BitScanReverse* */
#endif
/* Will never be emitted for MSVC, GCC, Intel compilers */
static inline uint32_t FLAC__clz_soft_uint32(FLAC__uint32 word)
{
static const uint8_t byte_to_unary_table[] = {
8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
return word > 0xffffff ? byte_to_unary_table[word >> 24] :
word > 0xffff ? byte_to_unary_table[word >> 16] + 8 :
word > 0xff ? byte_to_unary_table[word >> 8] + 16 :
byte_to_unary_table[word] + 24;
}
static inline uint32_t FLAC__clz_uint32(FLAC__uint32 v)
{
/* Never used with input 0 */
FLAC__ASSERT(v > 0);
#if defined(__INTEL_COMPILER)
return _bit_scan_reverse(v) ^ 31U;
#elif defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
/* This will translate either to (bsr ^ 31U), clz , ctlz, cntlz, lzcnt depending on
* -march= setting or to a software routine in exotic machines. */
return __builtin_clz(v);
#elif defined(_MSC_VER)
{
uint32_t idx;
_BitScanReverse(&idx, v);
return idx ^ 31U;
}
#else
return FLAC__clz_soft_uint32(v);
#endif
}
/* Used when 64-bit bsr/clz is unavailable; can use 32-bit bsr/clz when possible */
static inline uint32_t FLAC__clz_soft_uint64(FLAC__uint64 word)
{
return (FLAC__uint32)(word>>32) ? FLAC__clz_uint32((FLAC__uint32)(word>>32)) :
FLAC__clz_uint32((FLAC__uint32)word) + 32;
}
static inline uint32_t FLAC__clz_uint64(FLAC__uint64 v)
{
/* Never used with input 0 */
FLAC__ASSERT(v > 0);
#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
return __builtin_clzll(v);
#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64))
{
uint32_t idx;
_BitScanReverse64(&idx, v);
return idx ^ 63U;
}
#else
return FLAC__clz_soft_uint64(v);
#endif
}
/* These two functions work with input 0 */
static inline uint32_t FLAC__clz2_uint32(FLAC__uint32 v)
{
if (!v)
return 32;
return FLAC__clz_uint32(v);
}
static inline uint32_t FLAC__clz2_uint64(FLAC__uint64 v)
{
if (!v)
return 64;
return FLAC__clz_uint64(v);
}
/* An example of what FLAC__bitmath_ilog2() computes:
*
* ilog2( 0) = assertion failure
* ilog2( 1) = 0
* ilog2( 2) = 1
* ilog2( 3) = 1
* ilog2( 4) = 2
* ilog2( 5) = 2
* ilog2( 6) = 2
* ilog2( 7) = 2
* ilog2( 8) = 3
* ilog2( 9) = 3
* ilog2(10) = 3
* ilog2(11) = 3
* ilog2(12) = 3
* ilog2(13) = 3
* ilog2(14) = 3
* ilog2(15) = 3
* ilog2(16) = 4
* ilog2(17) = 4
* ilog2(18) = 4
*/
static inline uint32_t FLAC__bitmath_ilog2(FLAC__uint32 v)
{
FLAC__ASSERT(v > 0);
#if defined(__INTEL_COMPILER)
return _bit_scan_reverse(v);
#elif defined(_MSC_VER)
{
uint32_t idx;
_BitScanReverse(&idx, v);
return idx;
}
#else
return FLAC__clz_uint32(v) ^ 31U;
#endif
}
static inline uint32_t FLAC__bitmath_ilog2_wide(FLAC__uint64 v)
{
FLAC__ASSERT(v > 0);
#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
return __builtin_clzll(v) ^ 63U;
/* Sorry, only supported in x64/Itanium.. and both have fast FPU which makes integer-only encoder pointless */
#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64))
{
uint32_t idx;
_BitScanReverse64(&idx, v);
return idx;
}
#else
/* Brain-damaged compilers will use the fastest possible way that is,
de Bruijn sequences (http://supertech.csail.mit.edu/papers/debruijn.pdf)
(C) Timothy B. Terriberry (tterribe@xiph.org) 2001-2009 CC0 (Public domain).
*/
{
static const uint8_t DEBRUIJN_IDX64[64]={
0, 1, 2, 7, 3,13, 8,19, 4,25,14,28, 9,34,20,40,
5,17,26,38,15,46,29,48,10,31,35,54,21,50,41,57,
63, 6,12,18,24,27,33,39,16,37,45,47,30,53,49,56,
62,11,23,32,36,44,52,55,61,22,43,51,60,42,59,58
};
v|= v>>1;
v|= v>>2;
v|= v>>4;
v|= v>>8;
v|= v>>16;
v|= v>>32;
v= (v>>1)+1;
return DEBRUIJN_IDX64[v*FLAC__U64L(0x218A392CD3D5DBF)>>58&0x3F];
}
#endif
}
uint32_t FLAC__bitmath_silog2(FLAC__int64 v);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__BITREADER_H
#define FLAC__PRIVATE__BITREADER_H
#include <stdio.h> /* for FILE */
#include "FLAC/ordinals.h"
#include "cpu.h"
/*
* opaque structure definition
*/
struct FLAC__BitReader;
typedef struct FLAC__BitReader FLAC__BitReader;
typedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *bytes, void *client_data);
/*
* construction, deletion, initialization, etc functions
*/
FLAC__BitReader *FLAC__bitreader_new(void);
void FLAC__bitreader_delete(FLAC__BitReader *br);
FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__BitReaderReadCallback rcb, void *cd);
void FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */
FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br);
void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out);
/*
* CRC functions
*/
void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed);
FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br);
/*
* info functions
*/
FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br);
uint32_t FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br);
uint32_t FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br);
/*
* read functions
*/
FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, uint32_t bits);
FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, uint32_t bits);
FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, uint32_t bits);
FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); /*only for bits=32*/
FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, uint32_t bits); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */
FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, uint32_t nvals); /* WATCHOUT: does not CRC the read data! */
FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, uint32_t nvals); /* WATCHOUT: does not CRC the read data! */
FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, uint32_t *val);
FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, uint32_t parameter);
FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], uint32_t nvals, uint32_t parameter);
#if 0 /* UNUSED */
FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, uint32_t parameter);
FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, uint32_t *val, uint32_t parameter);
#endif
FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, uint32_t *rawlen);
FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, uint32_t *rawlen);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__BITWRITER_H
#define FLAC__PRIVATE__BITWRITER_H
#include <stdio.h> /* for FILE */
#include "FLAC/ordinals.h"
/*
* opaque structure definition
*/
struct FLAC__BitWriter;
typedef struct FLAC__BitWriter FLAC__BitWriter;
/*
* construction, deletion, initialization, etc functions
*/
FLAC__BitWriter *FLAC__bitwriter_new(void);
void FLAC__bitwriter_delete(FLAC__BitWriter *bw);
FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw);
void FLAC__bitwriter_free(FLAC__BitWriter *bw); /* does not 'free(buffer)' */
void FLAC__bitwriter_clear(FLAC__BitWriter *bw);
void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out);
/*
* CRC functions
*
* non-const *bw because they have to cal FLAC__bitwriter_get_buffer()
*/
FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc);
FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc);
/*
* info functions
*/
FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw);
uint32_t FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw); /* can be called anytime, returns total # of bits unconsumed */
/*
* direct buffer access
*
* there may be no calls on the bitwriter between get and release.
* the bitwriter continues to own the returned buffer.
* before get, bitwriter MUST be byte aligned: check with FLAC__bitwriter_is_byte_aligned()
*/
FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes);
void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw);
/*
* write functions
*/
FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, uint32_t bits);
FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits);
FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t bits);
FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, uint32_t bits);
FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val); /*only for bits=32*/
FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], uint32_t nvals);
FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, uint32_t val);
uint32_t FLAC__bitwriter_rice_bits(FLAC__int32 val, uint32_t parameter);
#if 0 /* UNUSED */
uint32_t FLAC__bitwriter_golomb_bits_signed(int val, uint32_t parameter);
uint32_t FLAC__bitwriter_golomb_bits_unsigned(uint32_t val, uint32_t parameter);
#endif
FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t parameter);
FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, uint32_t nvals, uint32_t parameter);
#if 0 /* UNUSED */
FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, uint32_t parameter);
FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, uint32_t val, uint32_t parameter);
#endif
FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val);
FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val);
FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__CPU_H
#define FLAC__PRIVATE__CPU_H
#include "FLAC/ordinals.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef FLAC__CPU_X86_64
#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
#define FLAC__CPU_X86_64
#endif
#endif
#ifndef FLAC__CPU_IA32
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
#define FLAC__CPU_IA32
#endif
#endif
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if FLAC__HAS_X86INTRIN
/* SSE intrinsics support by ICC/MSVC/GCC */
#if defined __INTEL_COMPILER
#define FLAC__SSE_TARGET(x)
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
#if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */
#define FLAC__SSSE3_SUPPORTED 1
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */
#define FLAC__AVX_SUPPORTED 1
#endif
#if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#elif defined _MSC_VER
#define FLAC__SSE_TARGET(x)
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
#if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
#define FLAC__SSSE3_SUPPORTED 1
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
#define FLAC__AVX_SUPPORTED 1
#endif
#if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#elif defined __clang__ && __has_attribute(__target__) /* clang */
#define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
#if __has_builtin(__builtin_ia32_maxps)
#define FLAC__SSE_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pmuludq128)
#define FLAC__SSE2_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pabsd128)
#define FLAC__SSSE3_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pmuldq128)
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pabsd256)
#define FLAC__AVX2_SUPPORTED 1
#endif
#elif defined __GNUC__ && !defined __clang__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* GCC 4.9+ */
#define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
#define FLAC__SSSE3_SUPPORTED 1
#define FLAC__SSE4_1_SUPPORTED 1
#ifdef FLAC__USE_AVX
#define FLAC__AVX_SUPPORTED 1
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#else
#define FLAC__SSE_TARGET(x)
#ifdef __SSE__
#define FLAC__SSE_SUPPORTED 1
#endif
#ifdef __SSE2__
#define FLAC__SSE2_SUPPORTED 1
#endif
#ifdef __SSSE3__
#define FLAC__SSSE3_SUPPORTED 1
#endif
#ifdef __SSE4_1__
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#ifdef __AVX__
#define FLAC__AVX_SUPPORTED 1
#endif
#ifdef __AVX2__
#define FLAC__AVX2_SUPPORTED 1
#endif
#ifdef __FMA__
#define FLAC__FMA_SUPPORTED 1
#endif
#endif /* compiler version */
#endif /* intrinsics support */
#ifndef FLAC__AVX_SUPPORTED
#define FLAC__AVX_SUPPORTED 0
#endif
typedef enum {
FLAC__CPUINFO_TYPE_IA32,
FLAC__CPUINFO_TYPE_X86_64,
FLAC__CPUINFO_TYPE_UNKNOWN
} FLAC__CPUInfo_Type;
typedef struct {
FLAC__bool intel;
FLAC__bool cmov;
FLAC__bool mmx;
FLAC__bool sse;
FLAC__bool sse2;
FLAC__bool sse3;
FLAC__bool ssse3;
FLAC__bool sse41;
FLAC__bool sse42;
FLAC__bool avx;
FLAC__bool avx2;
FLAC__bool fma;
} FLAC__CPUInfo_x86;
typedef struct {
FLAC__bool use_asm;
FLAC__CPUInfo_Type type;
FLAC__CPUInfo_x86 x86;
} FLAC__CPUInfo;
void FLAC__cpu_info(FLAC__CPUInfo *info);
FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void);
void FLAC__cpu_info_asm_ia32(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__CRC_H
#define FLAC__PRIVATE__CRC_H
#include "FLAC/ordinals.h"
/* 8 bit CRC generator, MSB shifted first
** polynomial = x^8 + x^2 + x^1 + x^0
** init = 0
*/
extern FLAC__byte const FLAC__crc8_table[256];
#define FLAC__CRC8_UPDATE(data, crc) (crc) = FLAC__crc8_table[(crc) ^ (data)];
void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc);
void FLAC__crc8_update_block(const FLAC__byte *data, uint32_t len, FLAC__uint8 *crc);
FLAC__uint8 FLAC__crc8(const FLAC__byte *data, uint32_t len);
/* 16 bit CRC generator, MSB shifted first
** polynomial = x^16 + x^15 + x^2 + x^0
** init = 0
*/
extern uint32_t const FLAC__crc16_table[256];
#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[((crc)>>8) ^ (data)])
/* this alternate may be faster on some systems/compilers */
#if 0
#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]) & 0xffff)
#endif
uint32_t FLAC__crc16(const FLAC__byte *data, uint32_t len);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__FIXED_H
#define FLAC__PRIVATE__FIXED_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "private/cpu.h"
#include "private/float.h"
#include "FLAC/format.h"
/*
* FLAC__fixed_compute_best_predictor()
* --------------------------------------------------------------------
* Compute the best fixed predictor and the expected bits-per-sample
* of the residual signal for each order. The _wide() version uses
* 64-bit integers which is statistically necessary when bits-per-
* sample + log2(blocksize) > 30
*
* IN data[0,data_len-1]
* IN data_len
* OUT residual_bits_per_sample[0,FLAC__MAX_FIXED_ORDER]
*/
#ifndef FLAC__INTEGER_ONLY_LIBRARY
uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
# ifndef FLAC__NO_ASM
# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
# ifdef FLAC__SSE2_SUPPORTED
uint32_t FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
# endif
# ifdef FLAC__SSSE3_SUPPORTED
uint32_t FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
# endif
# endif
# if defined FLAC__CPU_IA32 && defined FLAC__HAS_NASM
uint32_t FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
# endif
# endif
#else
uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
#endif
/*
* FLAC__fixed_compute_residual()
* --------------------------------------------------------------------
* Compute the residual signal obtained from sutracting the predicted
* signal from the original.
*
* IN data[-order,data_len-1] original signal (NOTE THE INDICES!)
* IN data_len length of original signal
* IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
* OUT residual[0,data_len-1] residual signal
*/
void FLAC__fixed_compute_residual(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]);
/*
* FLAC__fixed_restore_signal()
* --------------------------------------------------------------------
* Restore the original signal by summing the residual and the
* predictor.
*
* IN residual[0,data_len-1] residual signal
* IN data_len length of original signal
* IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
* *** IMPORTANT: the caller must pass in the historical samples:
* IN data[-order,-1] previously-reconstructed historical samples
* OUT data[0,data_len-1] original signal
*/
void FLAC__fixed_restore_signal(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2004-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__FLOAT_H
#define FLAC__PRIVATE__FLOAT_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "FLAC/ordinals.h"
/*
* All the code in libFLAC that uses float and double
* should be protected by checks of the macro
* FLAC__INTEGER_ONLY_LIBRARY.
*
*/
#ifndef FLAC__INTEGER_ONLY_LIBRARY
/*
* FLAC__real is the basic floating point type used in LPC analysis.
*
* WATCHOUT: changing FLAC__real will change the signatures of many
* functions that have assembly language equivalents and break them.
*/
typedef float FLAC__real;
#else
/*
* The convention for FLAC__fixedpoint is to use the upper 16 bits
* for the integer part and lower 16 bits for the fractional part.
*/
typedef FLAC__int32 FLAC__fixedpoint;
extern const FLAC__fixedpoint FLAC__FP_ZERO;
extern const FLAC__fixedpoint FLAC__FP_ONE_HALF;
extern const FLAC__fixedpoint FLAC__FP_ONE;
extern const FLAC__fixedpoint FLAC__FP_LN2;
extern const FLAC__fixedpoint FLAC__FP_E;
#define FLAC__fixedpoint_trunc(x) ((x)>>16)
#define FLAC__fixedpoint_mul(x, y) ( (FLAC__fixedpoint) ( ((FLAC__int64)(x)*(FLAC__int64)(y)) >> 16 ) )
#define FLAC__fixedpoint_div(x, y) ( (FLAC__fixedpoint) ( ( ((FLAC__int64)(x)<<32) / (FLAC__int64)(y) ) >> 16 ) )
/*
* FLAC__fixedpoint_log2()
* --------------------------------------------------------------------
* Returns the base-2 logarithm of the fixed-point number 'x' using an
* algorithm by Knuth for x >= 1.0
*
* 'fracbits' is the number of fractional bits of 'x'. 'fracbits' must
* be < 32 and evenly divisible by 4 (0 is OK but not very precise).
*
* 'precision' roughly limits the number of iterations that are done;
* use (uint32_t)(-1) for maximum precision.
*
* If 'x' is less than one -- that is, x < (1<<fracbits) -- then this
* function will punt and return 0.
*
* The return value will also have 'fracbits' fractional bits.
*/
FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, uint32_t fracbits, uint32_t precision);
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__FORMAT_H
#define FLAC__PRIVATE__FORMAT_H
#include "FLAC/format.h"
uint32_t FLAC__format_get_max_rice_partition_order(uint32_t blocksize, uint32_t predictor_order);
uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize(uint32_t blocksize);
uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(uint32_t limit, uint32_t blocksize, uint32_t predictor_order);
void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object);
void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object);
FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, uint32_t max_partition_order);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__LPC_H
#define FLAC__PRIVATE__LPC_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "private/cpu.h"
#include "private/float.h"
#include "FLAC/format.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
/*
* FLAC__lpc_window_data()
* --------------------------------------------------------------------
* Applies the given window to the data.
* OPT: asm implementation
*
* IN in[0,data_len-1]
* IN window[0,data_len-1]
* OUT out[0,lag-1]
* IN data_len
*/
void FLAC__lpc_window_data(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len);
/*
* FLAC__lpc_compute_autocorrelation()
* --------------------------------------------------------------------
* Compute the autocorrelation for lags between 0 and lag-1.
* Assumes data[] outside of [0,data_len-1] == 0.
* Asserts that lag > 0.
*
* IN data[0,data_len-1]
* IN data_len
* IN 0 < lag <= data_len
* OUT autoc[0,lag-1]
*/
void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
#ifndef FLAC__NO_ASM
# ifdef FLAC__CPU_IA32
# ifdef FLAC__HAS_NASM
void FLAC__lpc_compute_autocorrelation_asm_ia32(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
# endif
# endif
# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
# ifdef FLAC__SSE_SUPPORTED
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[]);
# endif
# endif
#endif
/*
* FLAC__lpc_compute_lp_coefficients()
* --------------------------------------------------------------------
* Computes LP coefficients for orders 1..max_order.
* Do not call if autoc[0] == 0.0. This means the signal is zero
* and there is no point in calculating a predictor.
*
* IN autoc[0,max_order] autocorrelation values
* IN 0 < max_order <= FLAC__MAX_LPC_ORDER max LP order to compute
* OUT lp_coeff[0,max_order-1][0,max_order-1] LP coefficients for each order
* *** IMPORTANT:
* *** lp_coeff[0,max_order-1][max_order,FLAC__MAX_LPC_ORDER-1] are untouched
* OUT error[0,max_order-1] error for each order (more
* specifically, the variance of
* the error signal times # of
* samples in the signal)
*
* Example: if max_order is 9, the LP coefficients for order 9 will be
* in lp_coeff[8][0,8], the LP coefficients for order 8 will be
* in lp_coeff[7][0,7], etc.
*/
void FLAC__lpc_compute_lp_coefficients(const FLAC__real autoc[], uint32_t *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], double error[]);
/*
* FLAC__lpc_quantize_coefficients()
* --------------------------------------------------------------------
* Quantizes the LP coefficients. NOTE: precision + bits_per_sample
* must be less than 32 (sizeof(FLAC__int32)*8).
*
* IN lp_coeff[0,order-1] LP coefficients
* IN order LP order
* IN FLAC__MIN_QLP_COEFF_PRECISION < precision
* desired precision (in bits, including sign
* bit) of largest coefficient
* OUT qlp_coeff[0,order-1] quantized coefficients
* OUT shift # of bits to shift right to get approximated
* LP coefficients. NOTE: could be negative.
* RETURN 0 => quantization OK
* 1 => coefficients require too much shifting for *shift to
* fit in the LPC subframe header. 'shift' is unset.
* 2 => coefficients are all zero, which is bad. 'shift' is
* unset.
*/
int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], uint32_t order, uint32_t precision, FLAC__int32 qlp_coeff[], int *shift);
/*
* FLAC__lpc_compute_residual_from_qlp_coefficients()
* --------------------------------------------------------------------
* Compute the residual signal obtained from sutracting the predicted
* signal from the original.
*
* IN data[-order,data_len-1] original signal (NOTE THE INDICES!)
* IN data_len length of original signal
* IN qlp_coeff[0,order-1] quantized LP coefficients
* IN order > 0 LP order
* IN lp_quantization quantization of LP coefficients in bits
* OUT residual[0,data_len-1] residual signal
*/
void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
#ifndef FLAC__NO_ASM
# ifdef FLAC__CPU_IA32
# ifdef FLAC__HAS_NASM
void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
# endif
# endif
# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
# ifdef FLAC__SSE2_SUPPORTED
void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
# endif
# ifdef FLAC__SSE4_1_SUPPORTED
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
# endif
# ifdef FLAC__AVX2_SUPPORTED
void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]);
# endif
# endif
#endif
#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
/*
* FLAC__lpc_restore_signal()
* --------------------------------------------------------------------
* Restore the original signal by summing the residual and the
* predictor.
*
* IN residual[0,data_len-1] residual signal
* IN data_len length of original signal
* IN qlp_coeff[0,order-1] quantized LP coefficients
* IN order > 0 LP order
* IN lp_quantization quantization of LP coefficients in bits
* *** IMPORTANT: the caller must pass in the historical samples:
* IN data[-order,-1] previously-reconstructed historical samples
* OUT data[0,data_len-1] original signal
*/
void FLAC__lpc_restore_signal(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
void FLAC__lpc_restore_signal_wide(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
#ifndef FLAC__NO_ASM
# ifdef FLAC__CPU_IA32
# ifdef FLAC__HAS_NASM
void FLAC__lpc_restore_signal_asm_ia32(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
void FLAC__lpc_restore_signal_asm_ia32_mmx(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
void FLAC__lpc_restore_signal_wide_asm_ia32(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
# endif /* FLAC__HAS_NASM */
# endif /* FLAC__CPU_IA32 */
# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
# ifdef FLAC__SSE4_1_SUPPORTED
void FLAC__lpc_restore_signal_intrin_sse41(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
void FLAC__lpc_restore_signal_16_intrin_sse41(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
void FLAC__lpc_restore_signal_wide_intrin_sse41(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]);
# endif
# endif
#endif /* FLAC__NO_ASM */
#ifndef FLAC__INTEGER_ONLY_LIBRARY
/*
* FLAC__lpc_compute_expected_bits_per_residual_sample()
* --------------------------------------------------------------------
* Compute the expected number of bits per residual signal sample
* based on the LP error (which is related to the residual variance).
*
* IN lpc_error >= 0.0 error returned from calculating LP coefficients
* IN total_samples > 0 # of samples in residual signal
* RETURN expected bits per sample
*/
double FLAC__lpc_compute_expected_bits_per_residual_sample(double lpc_error, uint32_t total_samples);
double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(double lpc_error, double error_scale);
/*
* FLAC__lpc_compute_best_order()
* --------------------------------------------------------------------
* Compute the best order from the array of signal errors returned
* during coefficient computation.
*
* IN lpc_error[0,max_order-1] >= 0.0 error returned from calculating LP coefficients
* IN max_order > 0 max LP order
* IN total_samples > 0 # of samples in residual signal
* IN overhead_bits_per_order # of bits overhead for each increased LP order
* (includes warmup sample size and quantized LP coefficient)
* RETURN [1,max_order] best order
*/
uint32_t FLAC__lpc_compute_best_order(const double lpc_error[], uint32_t max_order, uint32_t total_samples, uint32_t overhead_bits_per_order);
#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2012-2016 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__MACROS_H
#define FLAC__PRIVATE__MACROS_H
#if defined(__GNUC__) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define flac_max(a,b) \
({ __typeof__ (a) _a = (a); \
__typeof__ (b) _b = (b); \
_a > _b ? _a : _b; })
#define MIN_PASTE(A,B) A##B
#define MIN_IMPL(A,B,L) ({ \
__typeof__(A) MIN_PASTE(__a,L) = (A); \
__typeof__(B) MIN_PASTE(__b,L) = (B); \
MIN_PASTE(__a,L) < MIN_PASTE(__b,L) ? MIN_PASTE(__a,L) : MIN_PASTE(__b,L); \
})
#define flac_min(A,B) MIN_IMPL(A,B,__COUNTER__)
/* Whatever other unix that has sys/param.h */
#elif defined(HAVE_SYS_PARAM_H)
#include <sys/param.h>
#define flac_max(a,b) MAX(a,b)
#define flac_min(a,b) MIN(a,b)
/* Windows VS has them in stdlib.h.. XXX:Untested */
#elif defined(_MSC_VER)
#include <stdlib.h>
#define flac_max(a,b) __max(a,b)
#define flac_min(a,b) __min(a,b)
#endif
#ifndef flac_min
#define flac_min(x,y) ((x) <= (y) ? (x) : (y))
#endif
#ifndef flac_max
#define flac_max(x,y) ((x) >= (y) ? (x) : (y))
#endif
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/md5.h Executable file
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#ifndef FLAC__PRIVATE__MD5_H
#define FLAC__PRIVATE__MD5_H
/*
* This is the header file for the MD5 message-digest algorithm.
* The algorithm is due to Ron Rivest. This code was
* written by Colin Plumb in 1993, no copyright is claimed.
* This code is in the public domain; do with it what you wish.
*
* Equivalent code is available from RSA Data Security, Inc.
* This code has been tested against that, and is equivalent,
* except that you don't need to include two pages of legalese
* with every copy.
*
* To compute the message digest of a chunk of bytes, declare an
* MD5Context structure, pass it to MD5Init, call MD5Update as
* needed on buffers full of bytes, and then call MD5Final, which
* will fill a supplied 16-byte array with the digest.
*
* Changed so as no longer to depend on Colin Plumb's `usual.h'
* header definitions; now uses stuff from dpkg's config.h
* - Ian Jackson <ijackson@nyx.cs.du.edu>.
* Still in the public domain.
*
* Josh Coalson: made some changes to integrate with libFLAC.
* Still in the public domain, with no warranty.
*/
#include "FLAC/ordinals.h"
typedef union {
FLAC__byte *p8;
FLAC__int16 *p16;
FLAC__int32 *p32;
} FLAC__multibyte;
typedef struct {
FLAC__uint32 in[16];
FLAC__uint32 buf[4];
FLAC__uint32 bytes[2];
FLAC__multibyte internal_buf;
size_t capacity;
} FLAC__MD5Context;
void FLAC__MD5Init(FLAC__MD5Context *context);
void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *context);
FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], uint32_t channels, uint32_t samples, uint32_t bytes_per_sample);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/memory.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__MEMORY_H
#define FLAC__PRIVATE__MEMORY_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h> /* for size_t */
#include "private/float.h"
#include "FLAC/ordinals.h" /* for FLAC__bool */
/* Returns the unaligned address returned by malloc.
* Use free() on this address to deallocate.
*/
void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address);
FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer);
FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer);
FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer);
FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(size_t elements, uint32_t **unaligned_pointer, uint32_t **aligned_pointer);
#ifndef FLAC__INTEGER_ONLY_LIBRARY
FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer);
#endif
void *safe_malloc_mul_2op_p(size_t size1, size_t size2);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/metadata.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__METADATA_H
#define FLAC__PRIVATE__METADATA_H
#include "FLAC/metadata.h"
/* WATCHOUT: all malloc()ed data in the block is free()ed; this may not
* be a consistent state (e.g. PICTURE) or equivalent to the initial
* state after FLAC__metadata_object_new()
*/
void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object);
void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/ogg_decoder_aspect.h Executable file
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/* libFLAC - Free Lossless Audio Codec
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__OGG_DECODER_ASPECT_H
#define FLAC__PRIVATE__OGG_DECODER_ASPECT_H
#include <ogg/ogg.h>
#include "FLAC/ordinals.h"
#include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */
typedef struct FLAC__OggDecoderAspect {
/* these are storage for values that can be set through the API */
FLAC__bool use_first_serial_number;
long serial_number;
/* these are for internal state related to Ogg decoding */
ogg_stream_state stream_state;
ogg_sync_state sync_state;
uint32_t version_major, version_minor;
FLAC__bool need_serial_number;
FLAC__bool end_of_stream;
FLAC__bool have_working_page; /* only if true will the following vars be valid */
ogg_page working_page;
FLAC__bool have_working_packet; /* only if true will the following vars be valid */
ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */
} FLAC__OggDecoderAspect;
void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value);
void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect);
FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect);
void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect);
void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect);
void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect);
typedef enum {
FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR,
FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR
} FLAC__OggDecoderAspectReadStatus;
typedef FLAC__OggDecoderAspectReadStatus (*FLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/ogg_encoder_aspect.h Executable file
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/* libFLAC - Free Lossless Audio Codec
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__OGG_ENCODER_ASPECT_H
#define FLAC__PRIVATE__OGG_ENCODER_ASPECT_H
#include <ogg/ogg.h>
#include "FLAC/ordinals.h"
#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoderWriteStatus */
typedef struct FLAC__OggEncoderAspect {
/* these are storage for values that can be set through the API */
long serial_number;
uint32_t num_metadata;
/* these are for internal state related to Ogg encoding */
ogg_stream_state stream_state;
ogg_page page;
FLAC__bool seen_magic; /* true if we've seen the fLaC magic in the write callback yet */
FLAC__bool is_first_packet;
FLAC__uint64 samples_written;
} FLAC__OggEncoderAspect;
void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value);
FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, uint32_t value);
void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect);
FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect);
void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect);
typedef FLAC__StreamEncoderWriteStatus (*FLAC__OggEncoderAspectWriteCallbackProxy)(const void *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data);
FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/ogg_helper.h Executable file
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/* libFLAC - Free Lossless Audio Codec
* Copyright (C) 2004-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__OGG_HELPER_H
#define FLAC__PRIVATE__OGG_HELPER_H
#include <ogg/ogg.h>
#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoder */
void simple_ogg_page__init(ogg_page *page);
void simple_ogg_page__clear(ogg_page *page);
FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data);
FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data);
#endif

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/* libFLAC - Free Lossless Audio Codec
* Copyright (C) 2004-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__OGG_MAPPING_H
#define FLAC__PRIVATE__OGG_MAPPING_H
#include "FLAC/ordinals.h"
/** The length of the packet type field in bytes. */
#define FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH (1u)
extern const uint32_t FLAC__OGG_MAPPING_PACKET_TYPE_LEN; /* = 8 bits */
extern const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE; /* = 0x7f */
/** The length of the 'FLAC' magic in bytes. */
#define FLAC__OGG_MAPPING_MAGIC_LENGTH (4u)
extern const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC; /* = "FLAC" */
extern const uint32_t FLAC__OGG_MAPPING_VERSION_MAJOR_LEN; /* = 8 bits */
extern const uint32_t FLAC__OGG_MAPPING_VERSION_MINOR_LEN; /* = 8 bits */
/** The length of the Ogg FLAC mapping major version number in bytes. */
#define FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH (1u)
/** The length of the Ogg FLAC mapping minor version number in bytes. */
#define FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH (1u)
extern const uint32_t FLAC__OGG_MAPPING_NUM_HEADERS_LEN; /* = 16 bits */
/** The length of the #-of-header-packets number bytes. */
#define FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH (2u)
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__STREAM_ENCODER_H
#define FLAC__PRIVATE__STREAM_ENCODER_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*
* This is used to avoid overflow with unusual signals in 32-bit
* accumulator in the *precompute_partition_info_sums_* functions.
*/
#define FLAC__MAX_EXTRA_RESIDUAL_BPS 4
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
#include "private/cpu.h"
#include "FLAC/format.h"
#ifdef FLAC__SSE2_SUPPORTED
extern void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps);
#endif
#ifdef FLAC__SSSE3_SUPPORTED
extern void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps);
#endif
#ifdef FLAC__AVX2_SUPPORTED
extern void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps);
#endif
#endif
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/private/stream_encoder_framing.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H
#define FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H
#include "FLAC/format.h"
#include "bitwriter.h"
FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw);
FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw);
FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw);
FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw);
FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw);
FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, uint32_t samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2006-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PRIVATE__WINDOW_H
#define FLAC__PRIVATE__WINDOW_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "private/float.h"
#include "FLAC/format.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
/*
* FLAC__window_*()
* --------------------------------------------------------------------
* Calculates window coefficients according to different apodization
* functions.
*
* OUT window[0,L-1]
* IN L (number of points in window)
*/
void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev); /* 0.0 < stddev <= 0.5 */
void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L);
void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p);
void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L);
#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PROTECTED__ALL_H
#define FLAC__PROTECTED__ALL_H
#include "stream_decoder.h"
#include "stream_encoder.h"
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PROTECTED__STREAM_DECODER_H
#define FLAC__PROTECTED__STREAM_DECODER_H
#include "FLAC/stream_decoder.h"
#if FLAC__HAS_OGG
#include "private/ogg_decoder_aspect.h"
#endif
typedef struct FLAC__StreamDecoderProtected {
FLAC__StreamDecoderState state;
FLAC__StreamDecoderInitStatus initstate;
uint32_t channels;
FLAC__ChannelAssignment channel_assignment;
uint32_t bits_per_sample;
uint32_t sample_rate; /* in Hz */
uint32_t blocksize; /* in samples (per channel) */
FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the STREAMINFO metadata block */
#if FLAC__HAS_OGG
FLAC__OggDecoderAspect ogg_decoder_aspect;
#endif
} FLAC__StreamDecoderProtected;
/*
* return the number of input bytes consumed
*/
uint32_t FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder);
/*
* return client_data from decoder
*/
FLAC_API void *get_client_data_from_decoder(FLAC__StreamDecoder *decoder);
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__PROTECTED__STREAM_ENCODER_H
#define FLAC__PROTECTED__STREAM_ENCODER_H
#include "FLAC/stream_encoder.h"
#if FLAC__HAS_OGG
#include "private/ogg_encoder_aspect.h"
#endif
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#include "private/float.h"
#define FLAC__MAX_APODIZATION_FUNCTIONS 32
typedef enum {
FLAC__APODIZATION_BARTLETT,
FLAC__APODIZATION_BARTLETT_HANN,
FLAC__APODIZATION_BLACKMAN,
FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE,
FLAC__APODIZATION_CONNES,
FLAC__APODIZATION_FLATTOP,
FLAC__APODIZATION_GAUSS,
FLAC__APODIZATION_HAMMING,
FLAC__APODIZATION_HANN,
FLAC__APODIZATION_KAISER_BESSEL,
FLAC__APODIZATION_NUTTALL,
FLAC__APODIZATION_RECTANGLE,
FLAC__APODIZATION_TRIANGLE,
FLAC__APODIZATION_TUKEY,
FLAC__APODIZATION_PARTIAL_TUKEY,
FLAC__APODIZATION_PUNCHOUT_TUKEY,
FLAC__APODIZATION_WELCH
} FLAC__ApodizationFunction;
typedef struct {
FLAC__ApodizationFunction type;
union {
struct {
FLAC__real stddev;
} gauss;
struct {
FLAC__real p;
} tukey;
struct {
FLAC__real p;
FLAC__real start;
FLAC__real end;
} multiple_tukey;
} parameters;
} FLAC__ApodizationSpecification;
#endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY
typedef struct FLAC__StreamEncoderProtected {
FLAC__StreamEncoderState state;
FLAC__bool verify;
FLAC__bool streamable_subset;
FLAC__bool do_md5;
FLAC__bool do_mid_side_stereo;
FLAC__bool loose_mid_side_stereo;
uint32_t channels;
uint32_t bits_per_sample;
uint32_t sample_rate;
uint32_t blocksize;
#ifndef FLAC__INTEGER_ONLY_LIBRARY
uint32_t num_apodizations;
FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS];
#endif
uint32_t max_lpc_order;
uint32_t qlp_coeff_precision;
FLAC__bool do_qlp_coeff_prec_search;
FLAC__bool do_exhaustive_model_search;
FLAC__bool do_escape_coding;
uint32_t min_residual_partition_order;
uint32_t max_residual_partition_order;
uint32_t rice_parameter_search_dist;
FLAC__uint64 total_samples_estimate;
FLAC__StreamMetadata **metadata;
uint32_t num_metadata_blocks;
FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset;
#if FLAC__HAS_OGG
FLAC__OggEncoderAspect ogg_encoder_aspect;
#endif
} FLAC__StreamEncoderProtected;
#endif

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/* alloc - Convenience routines for safely allocating memory
* Copyright (C) 2007-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__SHARE__ALLOC_H
#define FLAC__SHARE__ALLOC_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/* WATCHOUT: for c++ you may have to #define __STDC_LIMIT_MACROS 1 real early
* before #including this file, otherwise SIZE_MAX might not be defined
*/
#include <limits.h> /* for SIZE_MAX */
#if HAVE_STDINT_H
#include <stdint.h> /* for SIZE_MAX in case limits.h didn't get it */
#endif
#include <stdlib.h> /* for size_t, malloc(), etc */
#include "share/compat.h"
#ifndef SIZE_MAX
# ifndef SIZE_T_MAX
# ifdef _MSC_VER
# ifdef _WIN64
# define SIZE_T_MAX FLAC__U64L(0xffffffffffffffff)
# else
# define SIZE_T_MAX 0xffffffff
# endif
# else
# error
# endif
# endif
# define SIZE_MAX SIZE_T_MAX
#endif
/* avoid malloc()ing 0 bytes, see:
* https://www.securecoding.cert.org/confluence/display/seccode/MEM04-A.+Do+not+make+assumptions+about+the+result+of+allocating+0+bytes?focusedCommentId=5407003
*/
static inline void *safe_malloc_(size_t size)
{
/* malloc(0) is undefined; FLAC src convention is to always allocate */
if(!size)
size++;
return malloc(size);
}
static inline void *safe_calloc_(size_t nmemb, size_t size)
{
if(!nmemb || !size)
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
return calloc(nmemb, size);
}
/*@@@@ there's probably a better way to prevent overflows when allocating untrusted sums but this works for now */
static inline void *safe_malloc_add_2op_(size_t size1, size_t size2)
{
size2 += size1;
if(size2 < size1)
return 0;
return safe_malloc_(size2);
}
static inline void *safe_malloc_add_3op_(size_t size1, size_t size2, size_t size3)
{
size2 += size1;
if(size2 < size1)
return 0;
size3 += size2;
if(size3 < size2)
return 0;
return safe_malloc_(size3);
}
static inline void *safe_malloc_add_4op_(size_t size1, size_t size2, size_t size3, size_t size4)
{
size2 += size1;
if(size2 < size1)
return 0;
size3 += size2;
if(size3 < size2)
return 0;
size4 += size3;
if(size4 < size3)
return 0;
return safe_malloc_(size4);
}
void *safe_malloc_mul_2op_(size_t size1, size_t size2) ;
static inline void *safe_malloc_mul_3op_(size_t size1, size_t size2, size_t size3)
{
if(!size1 || !size2 || !size3)
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
if(size1 > SIZE_MAX / size2)
return 0;
size1 *= size2;
if(size1 > SIZE_MAX / size3)
return 0;
return malloc(size1*size3);
}
/* size1*size2 + size3 */
static inline void *safe_malloc_mul2add_(size_t size1, size_t size2, size_t size3)
{
if(!size1 || !size2)
return safe_malloc_(size3);
if(size1 > SIZE_MAX / size2)
return 0;
return safe_malloc_add_2op_(size1*size2, size3);
}
/* size1 * (size2 + size3) */
static inline void *safe_malloc_muladd2_(size_t size1, size_t size2, size_t size3)
{
if(!size1 || (!size2 && !size3))
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
size2 += size3;
if(size2 < size3)
return 0;
if(size1 > SIZE_MAX / size2)
return 0;
return malloc(size1*size2);
}
static inline void *safe_realloc_(void *ptr, size_t size)
{
void *oldptr = ptr;
void *newptr = realloc(ptr, size);
if(size > 0 && newptr == 0)
free(oldptr);
return newptr;
}
static inline void *safe_realloc_add_2op_(void *ptr, size_t size1, size_t size2)
{
size2 += size1;
if(size2 < size1) {
free(ptr);
return 0;
}
return realloc(ptr, size2);
}
static inline void *safe_realloc_add_3op_(void *ptr, size_t size1, size_t size2, size_t size3)
{
size2 += size1;
if(size2 < size1)
return 0;
size3 += size2;
if(size3 < size2)
return 0;
return realloc(ptr, size3);
}
static inline void *safe_realloc_add_4op_(void *ptr, size_t size1, size_t size2, size_t size3, size_t size4)
{
size2 += size1;
if(size2 < size1)
return 0;
size3 += size2;
if(size3 < size2)
return 0;
size4 += size3;
if(size4 < size3)
return 0;
return realloc(ptr, size4);
}
static inline void *safe_realloc_mul_2op_(void *ptr, size_t size1, size_t size2)
{
if(!size1 || !size2)
return realloc(ptr, 0); /* preserve POSIX realloc(ptr, 0) semantics */
if(size1 > SIZE_MAX / size2)
return 0;
return safe_realloc_(ptr, size1*size2);
}
/* size1 * (size2 + size3) */
static inline void *safe_realloc_muladd2_(void *ptr, size_t size1, size_t size2, size_t size3)
{
if(!size1 || (!size2 && !size3))
return realloc(ptr, 0); /* preserve POSIX realloc(ptr, 0) semantics */
size2 += size3;
if(size2 < size3)
return 0;
return safe_realloc_mul_2op_(ptr, size1, size2);
}
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2012-2016 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* This is the prefered location of all CPP hackery to make $random_compiler
* work like something approaching a C99 (or maybe more accurately GNU99)
* compiler.
*
* It is assumed that this header will be included after "config.h".
*/
#ifndef FLAC__SHARE__COMPAT_H
#define FLAC__SHARE__COMPAT_H
#if defined _WIN32 && !defined __CYGWIN__
/* where MSVC puts unlink() */
# include <io.h>
#else
# include <unistd.h>
#endif
#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
#include <sys/types.h> /* for off_t */
#define FLAC__off_t __int64 /* use this instead of off_t to fix the 2 GB limit */
#if !defined __MINGW32__
#define fseeko _fseeki64
#define ftello _ftelli64
#else /* MinGW */
#if !defined(HAVE_FSEEKO)
#define fseeko fseeko64
#define ftello ftello64
#endif
#endif
#else
#define FLAC__off_t off_t
#endif
#if HAVE_INTTYPES_H
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#endif
#if defined(_MSC_VER)
#define strtoll _strtoi64
#define strtoull _strtoui64
#endif
#if defined(_MSC_VER) && !defined(__cplusplus)
#define inline __inline
#endif
#if defined __INTEL_COMPILER || (defined _MSC_VER && defined _WIN64)
/* MSVS generates VERY slow 32-bit code with __restrict */
#define flac_restrict __restrict
#elif defined __GNUC__
#define flac_restrict __restrict__
#else
#define flac_restrict
#endif
#define FLAC__U64L(x) x##ULL
#if defined _MSC_VER || defined __MINGW32__
#define FLAC__STRCASECMP _stricmp
#define FLAC__STRNCASECMP _strnicmp
#elif defined __BORLANDC__
#define FLAC__STRCASECMP stricmp
#define FLAC__STRNCASECMP strnicmp
#else
#define FLAC__STRCASECMP strcasecmp
#define FLAC__STRNCASECMP strncasecmp
#endif
#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
#include <io.h> /* for _setmode(), chmod() */
#include <fcntl.h> /* for _O_BINARY */
#else
#include <unistd.h> /* for chown(), unlink() */
#endif
#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
#if defined __BORLANDC__
#include <utime.h> /* for utime() */
#else
#include <sys/utime.h> /* for utime() */
#endif
#else
#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
#include <utime.h> /* for utime() */
#endif
#if defined _MSC_VER
# if _MSC_VER >= 1800
# include <inttypes.h>
# elif _MSC_VER >= 1600
/* Visual Studio 2010 has decent C99 support */
# include <stdint.h>
# define PRIu64 "llu"
# define PRId64 "lld"
# define PRIx64 "llx"
# else
# include <limits.h>
# ifndef UINT32_MAX
# define UINT32_MAX _UI32_MAX
# endif
# define PRIu64 "I64u"
# define PRId64 "I64d"
# define PRIx64 "I64x"
# endif
#endif /* defined _MSC_VER */
#ifdef _WIN32
/* All char* strings are in UTF-8 format. Added to support Unicode files on Windows */
#include "share/win_utf8_io.h"
#define flac_printf printf_utf8
#define flac_fprintf fprintf_utf8
#define flac_vfprintf vfprintf_utf8
#include "share/windows_unicode_filenames.h"
#define flac_fopen flac_internal_fopen_utf8
#define flac_chmod flac_internal_chmod_utf8
#define flac_utime flac_internal_utime_utf8
#define flac_unlink flac_internal_unlink_utf8
#define flac_rename flac_internal_rename_utf8
#define flac_stat flac_internal_stat64_utf8
#else
#define flac_printf printf
#define flac_fprintf fprintf
#define flac_vfprintf vfprintf
#define flac_fopen fopen
#define flac_chmod chmod
#define flac_utime utime
#define flac_unlink unlink
#define flac_rename rename
#define flac_stat stat
#endif
#ifdef _WIN32
#define flac_stat_s __stat64 /* stat struct */
#define flac_fstat _fstat64
#else
#define flac_stat_s stat /* stat struct */
#define flac_fstat fstat
#endif
#ifdef ANDROID
#include <limits.h>
#endif
#ifndef M_LN2
#define M_LN2 0.69314718055994530942
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
/* FLAC needs to compile and work correctly on systems with a normal ISO C99
* snprintf as well as Microsoft Visual Studio which has an non-standards
* conformant snprint_s function.
*
* This function wraps the MS version to behave more like the ISO version.
*/
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
int flac_snprintf(char *str, size_t size, const char *fmt, ...);
int flac_vsnprintf(char *str, size_t size, const char *fmt, va_list va);
#ifdef __cplusplus
};
#endif
#endif /* FLAC__SHARE__COMPAT_H */

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TMessagesProj/jni/exoplayer/libFLAC/include/share/endswap.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2012-2016 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* It is assumed that this header will be included after "config.h". */
#if HAVE_BSWAP32 /* GCC and Clang */
/* GCC prior to 4.8 didn't provide bswap16 on x86_64 */
#if ! HAVE_BSWAP16
static inline unsigned short __builtin_bswap16(unsigned short a)
{
return (a<<8)|(a>>8);
}
#endif
#define ENDSWAP_16(x) (__builtin_bswap16 (x))
#define ENDSWAP_32(x) (__builtin_bswap32 (x))
#define ENDSWAP_64(x) (__builtin_bswap64 (x))
#elif defined _MSC_VER /* Windows */
#include <stdlib.h>
#define ENDSWAP_16(x) (_byteswap_ushort (x))
#define ENDSWAP_32(x) (_byteswap_ulong (x))
#define ENDSWAP_64(x) (_byteswap_uint64 (x))
#elif defined HAVE_BYTESWAP_H /* Linux */
#include <byteswap.h>
#define ENDSWAP_16(x) (bswap_16 (x))
#define ENDSWAP_32(x) (bswap_32 (x))
#define ENDSWAP_64(x) (bswap_64 (x))
#else
#define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8))
#define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) | (((x) >> 8) & 0xFF00) | (((x) & 0xFF00) << 8) | (((x) & 0xFF) << 24))
#define ENDSWAP_64(x) ((ENDSWAP_32(((x) >> 32) & 0xFFFFFFFF)) | (ENDSWAP_32((x) & 0xFFFFFFFF) << 32))
#endif
/* Host to little-endian byte swapping (for MD5 calculation) */
#if CPU_IS_BIG_ENDIAN
#define H2LE_16(x) ENDSWAP_16 (x)
#define H2LE_32(x) ENDSWAP_32 (x)
#else
#define H2LE_16(x) (x)
#define H2LE_32(x) (x)
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/getopt.h Executable file
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/*
NOTE:
I cannot get the vanilla getopt code to work (i.e. compile only what
is needed and not duplicate symbols found in the standard library)
on all the platforms that FLAC supports. In particular the gating
of code with the ELIDE_CODE #define is not accurate enough on systems
that are POSIX but not glibc. If someone has a patch that works on
GNU/Linux, Darwin, AND Solaris please submit it on the project page:
https://sourceforge.net/p/flac/patches/
In the meantime I have munged the global symbols and removed gates
around code, while at the same time trying to touch the original as
little as possible.
*/
/* Declarations for getopt.
Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef SHARE__GETOPT_H
#define SHARE__GETOPT_H
/*[JEC] was:#ifndef __need_getopt*/
/*[JEC] was:# define _GETOPT_H 1*/
/*[JEC] was:#endif*/
#ifdef __cplusplus
extern "C" {
#endif
/* For communication from `share__getopt' to the caller.
When `share__getopt' finds an option that takes an argument,
the argument value is returned here.
Also, when `ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
extern char *share__optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
and for communication between successive calls to `share__getopt'.
On entry to `share__getopt', zero means this is the first call; initialize.
When `share__getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, `share__optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
extern int share__optind;
/* Callers store zero here to inhibit the error message `share__getopt' prints
for unrecognized options. */
extern int share__opterr;
/* Set to an option character which was unrecognized. */
extern int share__optopt;
/*[JEC] was:#ifndef __need_getopt */
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to share__getopt_long or share__getopt_long_only is a vector
of `struct share__option' terminated by an element containing a name which is
zero.
The field `has_arg' is:
share__no_argument (or 0) if the option does not take an argument,
share__required_argument (or 1) if the option requires an argument,
share__optional_argument (or 2) if the option takes an optional argument.
If the field `flag' is not NULL, it points to a variable that is set
to the value given in the field `val' when the option is found, but
left unchanged if the option is not found.
To have a long-named option do something other than set an `int' to
a compiled-in constant, such as set a value from `share__optarg', set the
option's `flag' field to zero and its `val' field to a nonzero
value (the equivalent single-letter option character, if there is
one). For long options that have a zero `flag' field, `share__getopt'
returns the contents of the `val' field. */
struct share__option
{
# if defined __STDC__ && __STDC__
const char *name;
# else
char *name;
# endif
/* has_arg can't be an enum because some compilers complain about
type mismatches in all the code that assumes it is an int. */
int has_arg;
int *flag;
int val;
};
/* Names for the values of the `has_arg' field of `struct share__option'. */
# define share__no_argument 0
# define share__required_argument 1
# define share__optional_argument 2
/*[JEC] was:#endif*/ /* need getopt */
/* Get definitions and prototypes for functions to process the
arguments in ARGV (ARGC of them, minus the program name) for
options given in OPTS.
Return the option character from OPTS just read. Return -1 when
there are no more options. For unrecognized options, or options
missing arguments, `share__optopt' is set to the option letter, and '?' is
returned.
The OPTS string is a list of characters which are recognized option
letters, optionally followed by colons, specifying that that letter
takes an argument, to be placed in `share__optarg'.
If a letter in OPTS is followed by two colons, its argument is
optional. This behavior is specific to the GNU `share__getopt'.
The argument `--' causes premature termination of argument
scanning, explicitly telling `share__getopt' that there are no more
options.
If OPTS begins with `--', then non-option arguments are treated as
arguments to the option '\0'. This behavior is specific to the GNU
`share__getopt'. */
/*[JEC] was:#if defined __STDC__ && __STDC__*/
/*[JEC] was:# ifdef __GNU_LIBRARY__*/
/* Many other libraries have conflicting prototypes for getopt, with
differences in the consts, in stdlib.h. To avoid compilation
errors, only prototype getopt for the GNU C library. */
extern int share__getopt (int argc, char *const *argv, const char *shortopts);
/*[JEC] was:# else*/ /* not __GNU_LIBRARY__ */
/*[JEC] was:extern int getopt ();*/
/*[JEC] was:# endif*/ /* __GNU_LIBRARY__ */
/*[JEC] was:# ifndef __need_getopt*/
extern int share__getopt_long (int argc, char *const *argv, const char *shortopts,
const struct share__option *longopts, int *longind);
extern int share__getopt_long_only (int argc, char *const *argv,
const char *shortopts,
const struct share__option *longopts, int *longind);
/* Internal only. Users should not call this directly. */
extern int share___getopt_internal (int argc, char *const *argv,
const char *shortopts,
const struct share__option *longopts, int *longind,
int long_only);
/*[JEC] was:# endif*/
/*[JEC] was:#else*/ /* not __STDC__ */
/*[JEC] was:extern int getopt ();*/
/*[JEC] was:# ifndef __need_getopt*/
/*[JEC] was:extern int getopt_long ();*/
/*[JEC] was:extern int getopt_long_only ();*/
/*[JEC] was:extern int _getopt_internal ();*/
/*[JEC] was:# endif*/
/*[JEC] was:#endif*/ /* __STDC__ */
#ifdef __cplusplus
}
#endif
/* Make sure we later can get all the definitions and declarations. */
/*[JEC] was:#undef __need_getopt*/
#endif /* getopt.h */

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TMessagesProj/jni/exoplayer/libFLAC/include/share/grabbag.h Executable file
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/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SHARE__GRABBAG_H
#define SHARE__GRABBAG_H
/* These can't be included by themselves, only from within grabbag.h */
#include "grabbag/cuesheet.h"
#include "grabbag/file.h"
#include "grabbag/picture.h"
#include "grabbag/replaygain.h"
#include "grabbag/seektable.h"
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/grabbag/cuesheet.h Executable file
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/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* This .h cannot be included by itself; #include "share/grabbag.h" instead. */
#ifndef GRABBAG__CUESHEET_H
#define GRABBAG__CUESHEET_H
#include <stdio.h>
#include "FLAC/metadata.h"
#ifdef __cplusplus
extern "C" {
#endif
unsigned grabbag__cuesheet_msf_to_frame(unsigned minutes, unsigned seconds, unsigned frames);
void grabbag__cuesheet_frame_to_msf(unsigned frame, unsigned *minutes, unsigned *seconds, unsigned *frames);
FLAC__StreamMetadata *grabbag__cuesheet_parse(FILE *file, const char **error_message, unsigned *last_line_read, unsigned sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset);
void grabbag__cuesheet_emit(FILE *file, const FLAC__StreamMetadata *cuesheet, const char *file_reference);
#ifdef __cplusplus
}
#endif
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/grabbag/file.h Executable file
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/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Convenience routines for manipulating files */
/* This .h cannot be included by itself; #include "share/grabbag.h" instead. */
#ifndef GRABAG__FILE_H
#define GRABAG__FILE_H
/* needed because of off_t */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sys/types.h> /* for off_t */
#include <stdio.h> /* for FILE */
#include "FLAC/ordinals.h"
#include "share/compat.h"
#ifdef __cplusplus
extern "C" {
#endif
void grabbag__file_copy_metadata(const char *srcpath, const char *destpath);
FLAC__off_t grabbag__file_get_filesize(const char *srcpath);
const char *grabbag__file_get_basename(const char *srcpath);
/* read_only == false means "make file writable by user"
* read_only == true means "make file read-only for everyone"
*/
FLAC__bool grabbag__file_change_stats(const char *filename, FLAC__bool read_only);
/* returns true iff stat() succeeds for both files and they have the same device and inode. */
/* on windows, uses GetFileInformationByHandle() to compare */
FLAC__bool grabbag__file_are_same(const char *f1, const char *f2);
/* attempts to make writable before unlinking */
FLAC__bool grabbag__file_remove_file(const char *filename);
/* these will forcibly set stdin/stdout to binary mode (for OSes that require it) */
FILE *grabbag__file_get_binary_stdin(void);
FILE *grabbag__file_get_binary_stdout(void);
#ifdef __cplusplus
}
#endif
#endif

54
TMessagesProj/jni/exoplayer/libFLAC/include/share/grabbag/picture.h Executable file
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/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2006-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* This .h cannot be included by itself; #include "share/grabbag.h" instead. */
#ifndef GRABBAG__PICTURE_H
#define GRABBAG__PICTURE_H
#include "FLAC/metadata.h"
#ifdef __cplusplus
extern "C" {
#endif
/* spec should be of the form "[TYPE]|MIME_TYPE|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE", e.g.
* "|image/jpeg|||cover.jpg"
* "4|image/jpeg||300x300x24|backcover.jpg"
* "|image/png|description|300x300x24/71|cover.png"
* "-->|image/gif||300x300x24/71|http://blah.blah.blah/cover.gif"
*
* empty type means default to FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER
* empty resolution spec means to get from the file (cannot get used with "-->" linked images)
* spec and error_message must not be NULL
*/
FLAC__StreamMetadata *grabbag__picture_parse_specification(const char *spec, const char **error_message);
typedef struct PictureResolution
{ uint32_t width, height, depth, colors ;
} PictureResolution ;
FLAC__StreamMetadata *grabbag__picture_from_specification(int type, const char *mime_type, const char * description,
const PictureResolution * res, const char * filepath, const char **error_message);
#ifdef __cplusplus
}
#endif
#endif

73
TMessagesProj/jni/exoplayer/libFLAC/include/share/grabbag/replaygain.h Executable file
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/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* This wraps the replaygain_analysis lib, which is LGPL. This wrapper
* allows analysis of different input resolutions by automatically
* scaling the input signal
*/
/* This .h cannot be included by itself; #include "share/grabbag.h" instead. */
#ifndef GRABBAG__REPLAYGAIN_H
#define GRABBAG__REPLAYGAIN_H
#include "FLAC/metadata.h"
#ifdef __cplusplus
extern "C" {
#endif
extern const unsigned GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
extern const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS; /* = "REPLAYGAIN_REFERENCE_LOUDNESS" */
extern const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN; /* = "REPLAYGAIN_TRACK_GAIN" */
extern const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK; /* = "REPLAYGAIN_TRACK_PEAK" */
extern const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN; /* = "REPLAYGAIN_ALBUM_GAIN" */
extern const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK; /* = "REPLAYGAIN_ALBUM_PEAK" */
FLAC__bool grabbag__replaygain_is_valid_sample_frequency(unsigned sample_frequency);
FLAC__bool grabbag__replaygain_init(unsigned sample_frequency);
/* 'bps' must be valid for FLAC, i.e. >=4 and <= 32 */
FLAC__bool grabbag__replaygain_analyze(const FLAC__int32 * const input[], FLAC__bool is_stereo, unsigned bps, unsigned samples);
void grabbag__replaygain_get_album(float *gain, float *peak);
void grabbag__replaygain_get_title(float *gain, float *peak);
/* These three functions return an error string on error, or NULL if successful */
const char *grabbag__replaygain_analyze_file(const char *filename, float *title_gain, float *title_peak);
const char *grabbag__replaygain_store_to_vorbiscomment(FLAC__StreamMetadata *block, float album_gain, float album_peak, float title_gain, float title_peak);
const char *grabbag__replaygain_store_to_vorbiscomment_reference(FLAC__StreamMetadata *block);
const char *grabbag__replaygain_store_to_vorbiscomment_album(FLAC__StreamMetadata *block, float album_gain, float album_peak);
const char *grabbag__replaygain_store_to_vorbiscomment_title(FLAC__StreamMetadata *block, float title_gain, float title_peak);
const char *grabbag__replaygain_store_to_file(const char *filename, float album_gain, float album_peak, float title_gain, float title_peak, FLAC__bool preserve_modtime);
const char *grabbag__replaygain_store_to_file_reference(const char *filename, FLAC__bool preserve_modtime);
const char *grabbag__replaygain_store_to_file_album(const char *filename, float album_gain, float album_peak, FLAC__bool preserve_modtime);
const char *grabbag__replaygain_store_to_file_title(const char *filename, float title_gain, float title_peak, FLAC__bool preserve_modtime);
FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, FLAC__bool strict, double *reference, double *gain, double *peak);
double grabbag__replaygain_compute_scale_factor(double peak, double gain, double preamp, FLAC__bool prevent_clipping);
#ifdef __cplusplus
}
#endif
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/grabbag/seektable.h Executable file
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/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Convenience routines for working with seek tables */
/* This .h cannot be included by itself; #include "share/grabbag.h" instead. */
#ifndef GRABAG__SEEKTABLE_H
#define GRABAG__SEEKTABLE_H
#include "FLAC/format.h"
#ifdef __cplusplus
extern "C" {
#endif
FLAC__bool grabbag__seektable_convert_specification_to_template(const char *spec, FLAC__bool only_explicit_placeholders, FLAC__uint64 total_samples_to_encode, unsigned sample_rate, FLAC__StreamMetadata *seektable_template, FLAC__bool *spec_has_real_points);
#ifdef __cplusplus
}
#endif
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/macros.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2013-2016 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
/* FLAC_CHECK_RETURN : Check the return value of the provided function and
* print an error message if it fails (ie returns a value < 0).
*
* Ideally, a library should not print anything, but this macro is only used
* for things that extremely unlikely to fail, like `chown` to a previoulsy
* saved `uid`.
*/
#define FLAC_CHECK_RETURN(x) \
{ if ((x) < 0) \
fprintf (stderr, "%s : %s\n", #x, strerror (errno)) ; \
}

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TMessagesProj/jni/exoplayer/libFLAC/include/share/msvc2005_int.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2017 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* This header file defines integer [u]intNN_t types.
* It is auto-included in all files via "Force Includes" (/FI)
* option in all *.vcproj files (Visual Studio 2005, 2008)
*/
#ifndef FLAC__SHARE__MSVC2005_INT_H
#define FLAC__SHARE__MSVC2005_INT_H
#if defined _MSC_VER && _MSC_VER < 1600
typedef signed __int8 int8_t;
typedef signed __int16 int16_t;
typedef signed __int32 int32_t;
typedef signed __int64 int64_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
#endif
#endif /* FLAC__SHARE__MSVC2005_INT_H */

45
TMessagesProj/jni/exoplayer/libFLAC/include/share/private.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2013-2016 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__SHARE__PRIVATE_H
#define FLAC__SHARE__PRIVATE_H
/*
* Unpublished debug routines from libFLAC. This should not be used from any
* client code other than code shipped with the FLAC sources.
*/
FLAC_API FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
FLAC_API FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
FLAC_API FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
FLAC_API FLAC__bool FLAC__stream_encoder_set_do_md5(FLAC__StreamEncoder *encoder, FLAC__bool value);
FLAC_API FLAC__bool FLAC__stream_encoder_get_do_md5(const FLAC__StreamEncoder *encoder);
#endif /* FLAC__SHARE__PRIVATE_H */

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TMessagesProj/jni/exoplayer/libFLAC/include/share/replaygain_analysis.h Executable file
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/*
* ReplayGainAnalysis - analyzes input samples and give the recommended dB change
* Copyright (C) 2001 David Robinson and Glen Sawyer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* concept and filter values by David Robinson (David@Robinson.org)
* -- blame him if you think the idea is flawed
* coding by Glen Sawyer (glensawyer@hotmail.com) 442 N 700 E, Provo, UT 84606 USA
* -- blame him if you think this runs too slowly, or the coding is otherwise flawed
* minor cosmetic tweaks to integrate with FLAC by Josh Coalson
*
* For an explanation of the concepts and the basic algorithms involved, go to:
* http://www.replaygain.org/
*/
#ifndef GAIN_ANALYSIS_H
#define GAIN_ANALYSIS_H
#include <stddef.h>
#define GAIN_NOT_ENOUGH_SAMPLES -24601
#define GAIN_ANALYSIS_ERROR 0
#define GAIN_ANALYSIS_OK 1
#define INIT_GAIN_ANALYSIS_ERROR 0
#define INIT_GAIN_ANALYSIS_OK 1
#ifdef __cplusplus
extern "C" {
#endif
typedef float flac_float_t; /* Type used for filtering */
extern flac_float_t ReplayGainReferenceLoudness; /* in dB SPL, currently == 89.0 */
int InitGainAnalysis ( long samplefreq );
int ValidGainFrequency ( long samplefreq );
int AnalyzeSamples ( const flac_float_t* left_samples, const flac_float_t* right_samples, size_t num_samples, int num_channels );
flac_float_t GetTitleGain ( void );
flac_float_t GetAlbumGain ( void );
#ifdef __cplusplus
}
#endif
#endif /* GAIN_ANALYSIS_H */

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TMessagesProj/jni/exoplayer/libFLAC/include/share/replaygain_synthesis.h Executable file
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/* replaygain_synthesis - Routines for applying ReplayGain to a signal
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FLAC__SHARE__REPLAYGAIN_SYNTHESIS_H
#define FLAC__SHARE__REPLAYGAIN_SYNTHESIS_H
#include <stdlib.h> /* for size_t */
#include "FLAC/format.h"
#define FLAC_SHARE__MAX_SUPPORTED_CHANNELS FLAC__MAX_CHANNELS
typedef enum {
NOISE_SHAPING_NONE = 0,
NOISE_SHAPING_LOW = 1,
NOISE_SHAPING_MEDIUM = 2,
NOISE_SHAPING_HIGH = 3
} NoiseShaping;
typedef struct {
const float* FilterCoeff;
FLAC__uint64 Mask;
double Add;
float Dither;
float ErrorHistory [FLAC_SHARE__MAX_SUPPORTED_CHANNELS] [16]; /* 16th order Noise shaping */
float DitherHistory [FLAC_SHARE__MAX_SUPPORTED_CHANNELS] [16];
int LastRandomNumber [FLAC_SHARE__MAX_SUPPORTED_CHANNELS];
unsigned LastHistoryIndex;
NoiseShaping ShapingType;
} DitherContext;
void FLAC__replaygain_synthesis__init_dither_context(DitherContext *dither, int bits, int shapingtype);
/* scale = (float) pow(10., (double)replaygain * 0.05); */
size_t FLAC__replaygain_synthesis__apply_gain(FLAC__byte *data_out, FLAC__bool little_endian_data_out, FLAC__bool unsigned_data_out, const FLAC__int32 * const input[], unsigned wide_samples, unsigned channels, const unsigned source_bps, const unsigned target_bps, const double scale, const FLAC__bool hard_limit, FLAC__bool do_dithering, DitherContext *dither_context);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/safe_str.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2013-2016 Xiph.org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* Safe string handling functions to replace things like strcpy, strncpy,
* strcat, strncat etc.
* All of these functions guarantee a correctly NUL terminated string but
* the string may be truncated if the destination buffer was too short.
*/
#ifndef FLAC__SHARE_SAFE_STR_H
#define FLAC__SHARE_SAFE_STR_H
static inline char *
safe_strncat(char *dest, const char *src, size_t dest_size)
{
char * ret;
if (dest_size < 1)
return dest;
ret = strncat(dest, src, dest_size - strlen (dest));
dest [dest_size - 1] = 0;
return ret;
}
static inline char *
safe_strncpy(char *dest, const char *src, size_t dest_size)
{
char * ret;
if (dest_size < 1)
return dest;
ret = strncpy(dest, src, dest_size);
dest [dest_size - 1] = 0;
return ret;
}
#endif /* FLAC__SHARE_SAFE_STR_H */

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TMessagesProj/jni/exoplayer/libFLAC/include/share/utf8.h Executable file
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#ifndef SHARE__UTF8_H
#define SHARE__UTF8_H
/*
* Convert a string between UTF-8 and the locale's charset.
* Invalid bytes are replaced by '#', and characters that are
* not available in the target encoding are replaced by '?'.
*
* If the locale's charset is not set explicitly then it is
* obtained using nl_langinfo(CODESET), where available, the
* environment variable CHARSET, or assumed to be US-ASCII.
*
* Return value of conversion functions:
*
* -1 : memory allocation failed
* 0 : data was converted exactly
* 1 : valid data was converted approximately (using '?')
* 2 : input was invalid (but still converted, using '#')
* 3 : unknown encoding (but still converted, using '?')
*/
int utf8_encode(const char *from, char **to);
int utf8_decode(const char *from, char **to);
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/win_utf8_io.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2013-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef _WIN32
#ifndef flac__win_utf8_io_h
#define flac__win_utf8_io_h
#include <stdio.h>
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
size_t strlen_utf8(const char *str);
int win_get_console_width(void);
int get_utf8_argv(int *argc, char ***argv);
int printf_utf8(const char *format, ...);
int fprintf_utf8(FILE *stream, const char *format, ...);
int vfprintf_utf8(FILE *stream, const char *format, va_list argptr);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
#endif

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TMessagesProj/jni/exoplayer/libFLAC/include/share/windows_unicode_filenames.h Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2013-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef _WIN32
#ifndef flac__windows_unicode_filenames_h
#define flac__windows_unicode_filenames_h
#include <stdio.h>
#include <sys/stat.h>
#include <sys/utime.h>
#include "FLAC/ordinals.h"
#ifdef __cplusplus
extern "C" {
#endif
void flac_internal_set_utf8_filenames(FLAC__bool flag);
FLAC__bool flac_internal_get_utf8_filenames(void);
#define flac_set_utf8_filenames flac_internal_set_utf8_filenames
#define flac_get_utf8_filenames flac_internal_get_utf8_filenames
FILE* flac_internal_fopen_utf8(const char *filename, const char *mode);
int flac_internal_stat64_utf8(const char *path, struct __stat64 *buffer);
int flac_internal_chmod_utf8(const char *filename, int pmode);
int flac_internal_utime_utf8(const char *filename, struct utimbuf *times);
int flac_internal_unlink_utf8(const char *filename);
int flac_internal_rename_utf8(const char *oldname, const char *newname);
#include <windows.h>
HANDLE WINAPI flac_internal_CreateFile_utf8(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile);
#define CreateFile_utf8 flac_internal_CreateFile_utf8
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/lpc.h"
#ifdef FLAC__SSE_SUPPORTED
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include <xmmintrin.h> /* SSE */
/* new routines: more unaligned loads, less shuffle
* old routines: less unaligned loads, more shuffle
* these *_old routines are equivalent to the ASM routines in ia32/lpc_asm.nasm
*/
/* new routines: faster on current Intel (starting from Core i aka Nehalem) and all AMD CPUs */
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
int i;
int limit = data_len - 4;
__m128 sum0;
(void) lag;
FLAC__ASSERT(lag <= 4);
FLAC__ASSERT(lag <= data_len);
sum0 = _mm_setzero_ps();
for(i = 0; i <= limit; i++) {
__m128 d, d0;
d0 = _mm_loadu_ps(data+i);
d = _mm_shuffle_ps(d0, d0, 0);
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
}
{
__m128 d0 = _mm_setzero_ps();
limit++; if(limit < 0) limit = 0;
for(i = data_len-1; i >= limit; i--) {
__m128 d;
d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
d0 = _mm_move_ss(d0, d);
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
}
}
_mm_storeu_ps(autoc, sum0);
}
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
int i;
int limit = data_len - 8;
__m128 sum0, sum1;
(void) lag;
FLAC__ASSERT(lag <= 8);
FLAC__ASSERT(lag <= data_len);
sum0 = _mm_setzero_ps();
sum1 = _mm_setzero_ps();
for(i = 0; i <= limit; i++) {
__m128 d, d0, d1;
d0 = _mm_loadu_ps(data+i);
d1 = _mm_loadu_ps(data+i+4);
d = _mm_shuffle_ps(d0, d0, 0);
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
}
{
__m128 d0 = _mm_setzero_ps();
__m128 d1 = _mm_setzero_ps();
limit++; if(limit < 0) limit = 0;
for(i = data_len-1; i >= limit; i--) {
__m128 d;
d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
d1 = _mm_move_ss(d1, d0);
d0 = _mm_move_ss(d0, d);
sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
}
}
_mm_storeu_ps(autoc, sum0);
_mm_storeu_ps(autoc+4, sum1);
}
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
int i;
int limit = data_len - 12;
__m128 sum0, sum1, sum2;
(void) lag;
FLAC__ASSERT(lag <= 12);
FLAC__ASSERT(lag <= data_len);
sum0 = _mm_setzero_ps();
sum1 = _mm_setzero_ps();
sum2 = _mm_setzero_ps();
for(i = 0; i <= limit; i++) {
__m128 d, d0, d1, d2;
d0 = _mm_loadu_ps(data+i);
d1 = _mm_loadu_ps(data+i+4);
d2 = _mm_loadu_ps(data+i+8);
d = _mm_shuffle_ps(d0, d0, 0);
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
}
{
__m128 d0 = _mm_setzero_ps();
__m128 d1 = _mm_setzero_ps();
__m128 d2 = _mm_setzero_ps();
limit++; if(limit < 0) limit = 0;
for(i = data_len-1; i >= limit; i--) {
__m128 d;
d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
d2 = _mm_move_ss(d2, d1);
d1 = _mm_move_ss(d1, d0);
d0 = _mm_move_ss(d0, d);
sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
}
}
_mm_storeu_ps(autoc, sum0);
_mm_storeu_ps(autoc+4, sum1);
_mm_storeu_ps(autoc+8, sum2);
}
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
int i;
int limit = data_len - 16;
__m128 sum0, sum1, sum2, sum3;
(void) lag;
FLAC__ASSERT(lag <= 16);
FLAC__ASSERT(lag <= data_len);
sum0 = _mm_setzero_ps();
sum1 = _mm_setzero_ps();
sum2 = _mm_setzero_ps();
sum3 = _mm_setzero_ps();
for(i = 0; i <= limit; i++) {
__m128 d, d0, d1, d2, d3;
d0 = _mm_loadu_ps(data+i);
d1 = _mm_loadu_ps(data+i+4);
d2 = _mm_loadu_ps(data+i+8);
d3 = _mm_loadu_ps(data+i+12);
d = _mm_shuffle_ps(d0, d0, 0);
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
sum3 = _mm_add_ps(sum3, _mm_mul_ps(d3, d));
}
{
__m128 d0 = _mm_setzero_ps();
__m128 d1 = _mm_setzero_ps();
__m128 d2 = _mm_setzero_ps();
__m128 d3 = _mm_setzero_ps();
limit++; if(limit < 0) limit = 0;
for(i = data_len-1; i >= limit; i--) {
__m128 d;
d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
d3 = _mm_shuffle_ps(d3, d3, _MM_SHUFFLE(2,1,0,3));
d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
d3 = _mm_move_ss(d3, d2);
d2 = _mm_move_ss(d2, d1);
d1 = _mm_move_ss(d1, d0);
d0 = _mm_move_ss(d0, d);
sum3 = _mm_add_ps(sum3, _mm_mul_ps(d, d3));
sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
}
}
_mm_storeu_ps(autoc, sum0);
_mm_storeu_ps(autoc+4, sum1);
_mm_storeu_ps(autoc+8, sum2);
_mm_storeu_ps(autoc+12,sum3);
}
/* old routines: faster on older Intel CPUs (up to Core 2) */
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
__m128 xmm0, xmm2, xmm5;
(void) lag;
FLAC__ASSERT(lag > 0);
FLAC__ASSERT(lag <= 4);
FLAC__ASSERT(lag <= data_len);
FLAC__ASSERT(data_len > 0);
xmm5 = _mm_setzero_ps();
xmm0 = _mm_load_ss(data++);
xmm2 = xmm0;
xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm5 = _mm_add_ps(xmm5, xmm0);
data_len--;
while(data_len)
{
xmm0 = _mm_load1_ps(data++);
xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
xmm2 = _mm_move_ss(xmm2, xmm0);
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm5 = _mm_add_ps(xmm5, xmm0);
data_len--;
}
_mm_storeu_ps(autoc, xmm5);
}
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
__m128 xmm0, xmm1, xmm2, xmm3, xmm5, xmm6;
(void) lag;
FLAC__ASSERT(lag > 0);
FLAC__ASSERT(lag <= 8);
FLAC__ASSERT(lag <= data_len);
FLAC__ASSERT(data_len > 0);
xmm5 = _mm_setzero_ps();
xmm6 = _mm_setzero_ps();
xmm0 = _mm_load_ss(data++);
xmm2 = xmm0;
xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
xmm3 = _mm_setzero_ps();
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm5 = _mm_add_ps(xmm5, xmm0);
data_len--;
while(data_len)
{
xmm0 = _mm_load1_ps(data++);
xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
xmm3 = _mm_move_ss(xmm3, xmm2);
xmm2 = _mm_move_ss(xmm2, xmm0);
xmm1 = xmm0;
xmm1 = _mm_mul_ps(xmm1, xmm3);
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm6 = _mm_add_ps(xmm6, xmm1);
xmm5 = _mm_add_ps(xmm5, xmm0);
data_len--;
}
_mm_storeu_ps(autoc, xmm5);
_mm_storeu_ps(autoc+4, xmm6);
}
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
__m128 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
(void) lag;
FLAC__ASSERT(lag > 0);
FLAC__ASSERT(lag <= 12);
FLAC__ASSERT(lag <= data_len);
FLAC__ASSERT(data_len > 0);
xmm5 = _mm_setzero_ps();
xmm6 = _mm_setzero_ps();
xmm7 = _mm_setzero_ps();
xmm0 = _mm_load_ss(data++);
xmm2 = xmm0;
xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
xmm3 = _mm_setzero_ps();
xmm4 = _mm_setzero_ps();
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm5 = _mm_add_ps(xmm5, xmm0);
data_len--;
while(data_len)
{
xmm0 = _mm_load1_ps(data++);
xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
xmm4 = _mm_shuffle_ps(xmm4, xmm4, _MM_SHUFFLE(2,1,0,3));
xmm4 = _mm_move_ss(xmm4, xmm3);
xmm3 = _mm_move_ss(xmm3, xmm2);
xmm2 = _mm_move_ss(xmm2, xmm0);
xmm1 = xmm0;
xmm1 = _mm_mul_ps(xmm1, xmm2);
xmm5 = _mm_add_ps(xmm5, xmm1);
xmm1 = xmm0;
xmm1 = _mm_mul_ps(xmm1, xmm3);
xmm6 = _mm_add_ps(xmm6, xmm1);
xmm0 = _mm_mul_ps(xmm0, xmm4);
xmm7 = _mm_add_ps(xmm7, xmm0);
data_len--;
}
_mm_storeu_ps(autoc, xmm5);
_mm_storeu_ps(autoc+4, xmm6);
_mm_storeu_ps(autoc+8, xmm7);
}
FLAC__SSE_TARGET("sse")
void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old(const FLAC__real data[], uint32_t data_len, uint32_t lag, FLAC__real autoc[])
{
__m128 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9;
(void) lag;
FLAC__ASSERT(lag > 0);
FLAC__ASSERT(lag <= 16);
FLAC__ASSERT(lag <= data_len);
FLAC__ASSERT(data_len > 0);
xmm6 = _mm_setzero_ps();
xmm7 = _mm_setzero_ps();
xmm8 = _mm_setzero_ps();
xmm9 = _mm_setzero_ps();
xmm0 = _mm_load_ss(data++);
xmm2 = xmm0;
xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
xmm3 = _mm_setzero_ps();
xmm4 = _mm_setzero_ps();
xmm5 = _mm_setzero_ps();
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm6 = _mm_add_ps(xmm6, xmm0);
data_len--;
while(data_len)
{
xmm0 = _mm_load1_ps(data++);
/* shift xmm5:xmm4:xmm3:xmm2 left by one float */
xmm5 = _mm_shuffle_ps(xmm5, xmm5, _MM_SHUFFLE(2,1,0,3));
xmm4 = _mm_shuffle_ps(xmm4, xmm4, _MM_SHUFFLE(2,1,0,3));
xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
xmm5 = _mm_move_ss(xmm5, xmm4);
xmm4 = _mm_move_ss(xmm4, xmm3);
xmm3 = _mm_move_ss(xmm3, xmm2);
xmm2 = _mm_move_ss(xmm2, xmm0);
/* xmm9|xmm8|xmm7|xmm6 += xmm0|xmm0|xmm0|xmm0 * xmm5|xmm4|xmm3|xmm2 */
xmm1 = xmm0;
xmm1 = _mm_mul_ps(xmm1, xmm5);
xmm9 = _mm_add_ps(xmm9, xmm1);
xmm1 = xmm0;
xmm1 = _mm_mul_ps(xmm1, xmm4);
xmm8 = _mm_add_ps(xmm8, xmm1);
xmm1 = xmm0;
xmm1 = _mm_mul_ps(xmm1, xmm3);
xmm7 = _mm_add_ps(xmm7, xmm1);
xmm0 = _mm_mul_ps(xmm0, xmm2);
xmm6 = _mm_add_ps(xmm6, xmm0);
data_len--;
}
_mm_storeu_ps(autoc, xmm6);
_mm_storeu_ps(autoc+4, xmm7);
_mm_storeu_ps(autoc+8, xmm8);
_mm_storeu_ps(autoc+12,xmm9);
}
#endif /* FLAC__SSE_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/lpc.h"
#ifdef FLAC__SSE2_SUPPORTED
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include <emmintrin.h> /* SSE2 */
#define RESIDUAL32_RESULT(xmmN) residual[i] = data[i] - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
#define DATA32_RESULT(xmmN) data[i] = residual[i] + (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
FLAC__SSE_TARGET("sse2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__int32 sum;
const __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
if(order > 8) {
if(order > 10) {
if(order == 12) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
q11 = _mm_cvtsi32_si128(0xffff & qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q11, _mm_loadu_si128((const __m128i*)(data+i-12)));
mull = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(data+i-11))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 11 */
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(data+i-11)));
mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 10) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10)));
mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 9 */
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9)));
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
else if(order > 4) {
if(order > 6) {
if(order == 8) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8)));
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 7 */
__m128i q0, q1, q2, q3, q4, q5, q6;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7)));
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 6) {
__m128i q0, q1, q2, q3, q4, q5;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6)));
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 5 */
__m128i q0, q1, q2, q3, q4;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5)));
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
else {
if(order > 2) {
if(order == 4) {
__m128i q0, q1, q2, q3;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4)));
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 3 */
__m128i q0, q1, q2;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3)));
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 2) {
__m128i q0, q1;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2)));
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 1 */
__m128i q0;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ;
summ = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1)));
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
for(; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */
case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */
case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */
case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */
case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */
case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */
case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */
case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */
case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */
case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */
case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */
case 1: sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
else { /* order > 12 */
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */
case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */
case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */
case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */
case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */
case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */
case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */
case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */
case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */
case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */
case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */
case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */
case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */
case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */
case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */
case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */
case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */
case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */
case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */
case 13: sum += qlp_coeff[12] * data[i-13];
sum += qlp_coeff[11] * data[i-12];
sum += qlp_coeff[10] * data[i-11];
sum += qlp_coeff[ 9] * data[i-10];
sum += qlp_coeff[ 8] * data[i- 9];
sum += qlp_coeff[ 7] * data[i- 8];
sum += qlp_coeff[ 6] * data[i- 7];
sum += qlp_coeff[ 5] * data[i- 6];
sum += qlp_coeff[ 4] * data[i- 5];
sum += qlp_coeff[ 3] * data[i- 4];
sum += qlp_coeff[ 2] * data[i- 3];
sum += qlp_coeff[ 1] * data[i- 2];
sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
}
FLAC__SSE_TARGET("sse2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
if(order > 8) { /* order == 9, 10, 11, 12 */
if(order > 10) { /* order == 11, 12 */
if(order == 12) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[11] * data[i-12];
//sum += qlp_coeff[10] * data[i-11];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
xmm7 = _mm_mul_epu32(xmm7, xmm5); /* we use _unsigned_ multiplication and discard high dword of the result values */
//sum += qlp_coeff[9] * data[i-10];
//sum += qlp_coeff[8] * data[i-9];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm4);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 11 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[10] * data[i-11];
xmm7 = _mm_cvtsi32_si128(data[i-11]);
xmm7 = _mm_mul_epu32(xmm7, xmm5);
//sum += qlp_coeff[9] * data[i-10];
//sum += qlp_coeff[8] * data[i-9];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm4);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
else { /* order == 9, 10 */
if(order == 10) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[9] * data[i-10];
//sum += qlp_coeff[8] * data[i-9];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm4);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 9 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[8] * data[i-9];
xmm7 = _mm_cvtsi32_si128(data[i-9]);
xmm7 = _mm_mul_epu32(xmm7, xmm4);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
}
else if(order > 4) { /* order == 5, 6, 7, 8 */
if(order > 6) { /* order == 7, 8 */
if(order == 8) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm3);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 7 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[6] * data[i-7];
xmm7 = _mm_cvtsi32_si128(data[i-7]);
xmm7 = _mm_mul_epu32(xmm7, xmm3);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
else { /* order == 5, 6 */
if(order == 6) {
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm2);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 5 */
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[4] * data[i-5];
xmm7 = _mm_cvtsi32_si128(data[i-5]);
xmm7 = _mm_mul_epu32(xmm7, xmm2);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
}
else { /* order == 1, 2, 3, 4 */
if(order > 2) { /* order == 3, 4 */
if(order == 4) {
__m128i xmm0, xmm1, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm1);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 3 */
__m128i xmm0, xmm1, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[2] * data[i-3];
xmm7 = _mm_cvtsi32_si128(data[i-3]);
xmm7 = _mm_mul_epu32(xmm7, xmm1);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
else { /* order == 1, 2 */
if(order == 2) {
__m128i xmm0, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm0);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 1 */
for(i = 0; i < (int)data_len; i++)
residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
}
}
}
}
else { /* order > 12 */
FLAC__int32 sum;
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */
case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */
case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */
case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */
case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */
case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */
case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */
case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */
case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */
case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */
case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */
case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */
case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */
case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */
case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */
case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */
case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */
case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */
case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */
case 13: sum += qlp_coeff[12] * data[i-13];
sum += qlp_coeff[11] * data[i-12];
sum += qlp_coeff[10] * data[i-11];
sum += qlp_coeff[ 9] * data[i-10];
sum += qlp_coeff[ 8] * data[i- 9];
sum += qlp_coeff[ 7] * data[i- 8];
sum += qlp_coeff[ 6] * data[i- 7];
sum += qlp_coeff[ 5] * data[i- 6];
sum += qlp_coeff[ 4] * data[i- 5];
sum += qlp_coeff[ 3] * data[i- 4];
sum += qlp_coeff[ 2] * data[i- 3];
sum += qlp_coeff[ 1] * data[i- 2];
sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
}
#endif /* FLAC__SSE2_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */

1494
TMessagesProj/jni/exoplayer/libFLAC/lpc_intrin_sse41.c Executable file
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517
TMessagesProj/jni/exoplayer/libFLAC/md5.c Executable file
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@ -0,0 +1,517 @@
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h> /* for malloc() */
#include <string.h> /* for memcpy() */
#include "private/md5.h"
#include "share/alloc.h"
#include "share/compat.h"
#include "share/endswap.h"
/*
* This code implements the MD5 message-digest algorithm.
* The algorithm is due to Ron Rivest. This code was
* written by Colin Plumb in 1993, no copyright is claimed.
* This code is in the public domain; do with it what you wish.
*
* Equivalent code is available from RSA Data Security, Inc.
* This code has been tested against that, and is equivalent,
* except that you don't need to include two pages of legalese
* with every copy.
*
* To compute the message digest of a chunk of bytes, declare an
* MD5Context structure, pass it to MD5Init, call MD5Update as
* needed on buffers full of bytes, and then call MD5Final, which
* will fill a supplied 16-byte array with the digest.
*
* Changed so as no longer to depend on Colin Plumb's `usual.h' header
* definitions; now uses stuff from dpkg's config.h.
* - Ian Jackson <ijackson@nyx.cs.du.edu>.
* Still in the public domain.
*
* Josh Coalson: made some changes to integrate with libFLAC.
* Still in the public domain.
*/
/* The four core functions - F1 is optimized somewhat */
/* #define F1(x, y, z) (x & y | ~x & z) */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))
/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f,w,x,y,z,in,s) \
(w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
/*
* The core of the MD5 algorithm, this alters an existing MD5 hash to
* reflect the addition of 16 longwords of new data. MD5Update blocks
* the data and converts bytes into longwords for this routine.
*/
static void FLAC__MD5Transform(FLAC__uint32 buf[4], FLAC__uint32 const in[16])
{
register FLAC__uint32 a, b, c, d;
a = buf[0];
b = buf[1];
c = buf[2];
d = buf[3];
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
buf[0] += a;
buf[1] += b;
buf[2] += c;
buf[3] += d;
}
#if WORDS_BIGENDIAN
//@@@@@@ OPT: use bswap/intrinsics
static void byteSwap(FLAC__uint32 *buf, uint32_t words)
{
register FLAC__uint32 x;
do {
x = *buf;
x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff);
*buf++ = (x >> 16) | (x << 16);
} while (--words);
}
static void byteSwapX16(FLAC__uint32 *buf)
{
register FLAC__uint32 x;
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf = (x >> 16) | (x << 16);
}
#else
#define byteSwap(buf, words)
#define byteSwapX16(buf)
#endif
/*
* Update context to reflect the concatenation of another buffer full
* of bytes.
*/
static void FLAC__MD5Update(FLAC__MD5Context *ctx, FLAC__byte const *buf, uint32_t len)
{
FLAC__uint32 t;
/* Update byte count */
t = ctx->bytes[0];
if ((ctx->bytes[0] = t + len) < t)
ctx->bytes[1]++; /* Carry from low to high */
t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */
if (t > len) {
memcpy((FLAC__byte *)ctx->in + 64 - t, buf, len);
return;
}
/* First chunk is an odd size */
memcpy((FLAC__byte *)ctx->in + 64 - t, buf, t);
byteSwapX16(ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
buf += t;
len -= t;
/* Process data in 64-byte chunks */
while (len >= 64) {
memcpy(ctx->in, buf, 64);
byteSwapX16(ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
buf += 64;
len -= 64;
}
/* Handle any remaining bytes of data. */
memcpy(ctx->in, buf, len);
}
/*
* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
* initialization constants.
*/
void FLAC__MD5Init(FLAC__MD5Context *ctx)
{
ctx->buf[0] = 0x67452301;
ctx->buf[1] = 0xefcdab89;
ctx->buf[2] = 0x98badcfe;
ctx->buf[3] = 0x10325476;
ctx->bytes[0] = 0;
ctx->bytes[1] = 0;
ctx->internal_buf.p8 = 0;
ctx->capacity = 0;
}
/*
* Final wrapup - pad to 64-byte boundary with the bit pattern
* 1 0* (64-bit count of bits processed, MSB-first)
*/
void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *ctx)
{
int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */
FLAC__byte *p = (FLAC__byte *)ctx->in + count;
/* Set the first char of padding to 0x80. There is always room. */
*p++ = 0x80;
/* Bytes of padding needed to make 56 bytes (-8..55) */
count = 56 - 1 - count;
if (count < 0) { /* Padding forces an extra block */
memset(p, 0, count + 8);
byteSwapX16(ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
p = (FLAC__byte *)ctx->in;
count = 56;
}
memset(p, 0, count);
byteSwap(ctx->in, 14);
/* Append length in bits and transform */
ctx->in[14] = ctx->bytes[0] << 3;
ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
FLAC__MD5Transform(ctx->buf, ctx->in);
byteSwap(ctx->buf, 4);
memcpy(digest, ctx->buf, 16);
if (0 != ctx->internal_buf.p8) {
free(ctx->internal_buf.p8);
ctx->internal_buf.p8 = 0;
ctx->capacity = 0;
}
memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */
}
/*
* Convert the incoming audio signal to a byte stream
*/
static void format_input_(FLAC__multibyte *mbuf, const FLAC__int32 * const signal[], uint32_t channels, uint32_t samples, uint32_t bytes_per_sample)
{
FLAC__byte *buf_ = mbuf->p8;
FLAC__int16 *buf16 = mbuf->p16;
FLAC__int32 *buf32 = mbuf->p32;
FLAC__int32 a_word;
uint32_t channel, sample;
/* Storage in the output buffer, buf, is little endian. */
#define BYTES_CHANNEL_SELECTOR(bytes, channels) (bytes * 100 + channels)
/* First do the most commonly used combinations. */
switch (BYTES_CHANNEL_SELECTOR (bytes_per_sample, channels)) {
/* One byte per sample. */
case (BYTES_CHANNEL_SELECTOR (1, 1)):
for (sample = 0; sample < samples; sample++)
*buf_++ = signal[0][sample];
return;
case (BYTES_CHANNEL_SELECTOR (1, 2)):
for (sample = 0; sample < samples; sample++) {
*buf_++ = signal[0][sample];
*buf_++ = signal[1][sample];
}
return;
case (BYTES_CHANNEL_SELECTOR (1, 4)):
for (sample = 0; sample < samples; sample++) {
*buf_++ = signal[0][sample];
*buf_++ = signal[1][sample];
*buf_++ = signal[2][sample];
*buf_++ = signal[3][sample];
}
return;
case (BYTES_CHANNEL_SELECTOR (1, 6)):
for (sample = 0; sample < samples; sample++) {
*buf_++ = signal[0][sample];
*buf_++ = signal[1][sample];
*buf_++ = signal[2][sample];
*buf_++ = signal[3][sample];
*buf_++ = signal[4][sample];
*buf_++ = signal[5][sample];
}
return;
case (BYTES_CHANNEL_SELECTOR (1, 8)):
for (sample = 0; sample < samples; sample++) {
*buf_++ = signal[0][sample];
*buf_++ = signal[1][sample];
*buf_++ = signal[2][sample];
*buf_++ = signal[3][sample];
*buf_++ = signal[4][sample];
*buf_++ = signal[5][sample];
*buf_++ = signal[6][sample];
*buf_++ = signal[7][sample];
}
return;
/* Two bytes per sample. */
case (BYTES_CHANNEL_SELECTOR (2, 1)):
for (sample = 0; sample < samples; sample++)
*buf16++ = H2LE_16(signal[0][sample]);
return;
case (BYTES_CHANNEL_SELECTOR (2, 2)):
for (sample = 0; sample < samples; sample++) {
*buf16++ = H2LE_16(signal[0][sample]);
*buf16++ = H2LE_16(signal[1][sample]);
}
return;
case (BYTES_CHANNEL_SELECTOR (2, 4)):
for (sample = 0; sample < samples; sample++) {
*buf16++ = H2LE_16(signal[0][sample]);
*buf16++ = H2LE_16(signal[1][sample]);
*buf16++ = H2LE_16(signal[2][sample]);
*buf16++ = H2LE_16(signal[3][sample]);
}
return;
case (BYTES_CHANNEL_SELECTOR (2, 6)):
for (sample = 0; sample < samples; sample++) {
*buf16++ = H2LE_16(signal[0][sample]);
*buf16++ = H2LE_16(signal[1][sample]);
*buf16++ = H2LE_16(signal[2][sample]);
*buf16++ = H2LE_16(signal[3][sample]);
*buf16++ = H2LE_16(signal[4][sample]);
*buf16++ = H2LE_16(signal[5][sample]);
}
return;
case (BYTES_CHANNEL_SELECTOR (2, 8)):
for (sample = 0; sample < samples; sample++) {
*buf16++ = H2LE_16(signal[0][sample]);
*buf16++ = H2LE_16(signal[1][sample]);
*buf16++ = H2LE_16(signal[2][sample]);
*buf16++ = H2LE_16(signal[3][sample]);
*buf16++ = H2LE_16(signal[4][sample]);
*buf16++ = H2LE_16(signal[5][sample]);
*buf16++ = H2LE_16(signal[6][sample]);
*buf16++ = H2LE_16(signal[7][sample]);
}
return;
/* Three bytes per sample. */
case (BYTES_CHANNEL_SELECTOR (3, 1)):
for (sample = 0; sample < samples; sample++) {
a_word = signal[0][sample];
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word;
}
return;
case (BYTES_CHANNEL_SELECTOR (3, 2)):
for (sample = 0; sample < samples; sample++) {
a_word = signal[0][sample];
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word;
a_word = signal[1][sample];
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word;
}
return;
/* Four bytes per sample. */
case (BYTES_CHANNEL_SELECTOR (4, 1)):
for (sample = 0; sample < samples; sample++)
*buf32++ = H2LE_32(signal[0][sample]);
return;
case (BYTES_CHANNEL_SELECTOR (4, 2)):
for (sample = 0; sample < samples; sample++) {
*buf32++ = H2LE_32(signal[0][sample]);
*buf32++ = H2LE_32(signal[1][sample]);
}
return;
case (BYTES_CHANNEL_SELECTOR (4, 4)):
for (sample = 0; sample < samples; sample++) {
*buf32++ = H2LE_32(signal[0][sample]);
*buf32++ = H2LE_32(signal[1][sample]);
*buf32++ = H2LE_32(signal[2][sample]);
*buf32++ = H2LE_32(signal[3][sample]);
}
return;
case (BYTES_CHANNEL_SELECTOR (4, 6)):
for (sample = 0; sample < samples; sample++) {
*buf32++ = H2LE_32(signal[0][sample]);
*buf32++ = H2LE_32(signal[1][sample]);
*buf32++ = H2LE_32(signal[2][sample]);
*buf32++ = H2LE_32(signal[3][sample]);
*buf32++ = H2LE_32(signal[4][sample]);
*buf32++ = H2LE_32(signal[5][sample]);
}
return;
case (BYTES_CHANNEL_SELECTOR (4, 8)):
for (sample = 0; sample < samples; sample++) {
*buf32++ = H2LE_32(signal[0][sample]);
*buf32++ = H2LE_32(signal[1][sample]);
*buf32++ = H2LE_32(signal[2][sample]);
*buf32++ = H2LE_32(signal[3][sample]);
*buf32++ = H2LE_32(signal[4][sample]);
*buf32++ = H2LE_32(signal[5][sample]);
*buf32++ = H2LE_32(signal[6][sample]);
*buf32++ = H2LE_32(signal[7][sample]);
}
return;
default:
break;
}
/* General version. */
switch (bytes_per_sample) {
case 1:
for (sample = 0; sample < samples; sample++)
for (channel = 0; channel < channels; channel++)
*buf_++ = signal[channel][sample];
return;
case 2:
for (sample = 0; sample < samples; sample++)
for (channel = 0; channel < channels; channel++)
*buf16++ = H2LE_16(signal[channel][sample]);
return;
case 3:
for (sample = 0; sample < samples; sample++)
for (channel = 0; channel < channels; channel++) {
a_word = signal[channel][sample];
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word; a_word >>= 8;
*buf_++ = (FLAC__byte)a_word;
}
return;
case 4:
for (sample = 0; sample < samples; sample++)
for (channel = 0; channel < channels; channel++)
*buf32++ = H2LE_32(signal[channel][sample]);
return;
default:
break;
}
}
/*
* Convert the incoming audio signal to a byte stream and FLAC__MD5Update it.
*/
FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], uint32_t channels, uint32_t samples, uint32_t bytes_per_sample)
{
const size_t bytes_needed = (size_t)channels * (size_t)samples * (size_t)bytes_per_sample;
/* overflow check */
if ((size_t)channels > SIZE_MAX / (size_t)bytes_per_sample)
return false;
if ((size_t)channels * (size_t)bytes_per_sample > SIZE_MAX / (size_t)samples)
return false;
if (ctx->capacity < bytes_needed) {
if (0 == (ctx->internal_buf.p8 = safe_realloc_(ctx->internal_buf.p8, bytes_needed))) {
if (0 == (ctx->internal_buf.p8 = safe_malloc_(bytes_needed))) {
ctx->capacity = 0;
return false;
}
}
ctx->capacity = bytes_needed;
}
format_input_(&ctx->internal_buf, signal, channels, samples, bytes_per_sample);
FLAC__MD5Update(ctx, ctx->internal_buf.p8, bytes_needed);
return true;
}

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include "private/memory.h"
#include "FLAC/assert.h"
#include "share/compat.h"
#include "share/alloc.h"
void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address)
{
void *x;
FLAC__ASSERT(0 != aligned_address);
#ifdef FLAC__ALIGN_MALLOC_DATA
/* align on 32-byte (256-bit) boundary */
x = safe_malloc_add_2op_(bytes, /*+*/31L);
*aligned_address = (void*)(((uintptr_t)x + 31L) & -32L);
#else
x = safe_malloc_(bytes);
*aligned_address = x;
#endif
return x;
}
FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer)
{
FLAC__int32 *pu; /* unaligned pointer */
union { /* union needed to comply with C99 pointer aliasing rules */
FLAC__int32 *pa; /* aligned pointer */
void *pv; /* aligned pointer alias */
} u;
FLAC__ASSERT(elements > 0);
FLAC__ASSERT(0 != unaligned_pointer);
FLAC__ASSERT(0 != aligned_pointer);
FLAC__ASSERT(unaligned_pointer != aligned_pointer);
if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
return false;
pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
if(0 == pu) {
return false;
}
else {
if(*unaligned_pointer != 0)
free(*unaligned_pointer);
*unaligned_pointer = pu;
*aligned_pointer = u.pa;
return true;
}
}
FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer)
{
FLAC__uint32 *pu; /* unaligned pointer */
union { /* union needed to comply with C99 pointer aliasing rules */
FLAC__uint32 *pa; /* aligned pointer */
void *pv; /* aligned pointer alias */
} u;
FLAC__ASSERT(elements > 0);
FLAC__ASSERT(0 != unaligned_pointer);
FLAC__ASSERT(0 != aligned_pointer);
FLAC__ASSERT(unaligned_pointer != aligned_pointer);
if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
return false;
pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
if(0 == pu) {
return false;
}
else {
if(*unaligned_pointer != 0)
free(*unaligned_pointer);
*unaligned_pointer = pu;
*aligned_pointer = u.pa;
return true;
}
}
FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer)
{
FLAC__uint64 *pu; /* unaligned pointer */
union { /* union needed to comply with C99 pointer aliasing rules */
FLAC__uint64 *pa; /* aligned pointer */
void *pv; /* aligned pointer alias */
} u;
FLAC__ASSERT(elements > 0);
FLAC__ASSERT(0 != unaligned_pointer);
FLAC__ASSERT(0 != aligned_pointer);
FLAC__ASSERT(unaligned_pointer != aligned_pointer);
if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
return false;
pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
if(0 == pu) {
return false;
}
else {
if(*unaligned_pointer != 0)
free(*unaligned_pointer);
*unaligned_pointer = pu;
*aligned_pointer = u.pa;
return true;
}
}
FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(size_t elements, uint32_t **unaligned_pointer, uint32_t **aligned_pointer)
{
uint32_t *pu; /* unaligned pointer */
union { /* union needed to comply with C99 pointer aliasing rules */
uint32_t *pa; /* aligned pointer */
void *pv; /* aligned pointer alias */
} u;
FLAC__ASSERT(elements > 0);
FLAC__ASSERT(0 != unaligned_pointer);
FLAC__ASSERT(0 != aligned_pointer);
FLAC__ASSERT(unaligned_pointer != aligned_pointer);
if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
return false;
pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
if(0 == pu) {
return false;
}
else {
if(*unaligned_pointer != 0)
free(*unaligned_pointer);
*unaligned_pointer = pu;
*aligned_pointer = u.pa;
return true;
}
}
#ifndef FLAC__INTEGER_ONLY_LIBRARY
FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer)
{
FLAC__real *pu; /* unaligned pointer */
union { /* union needed to comply with C99 pointer aliasing rules */
FLAC__real *pa; /* aligned pointer */
void *pv; /* aligned pointer alias */
} u;
FLAC__ASSERT(elements > 0);
FLAC__ASSERT(0 != unaligned_pointer);
FLAC__ASSERT(0 != aligned_pointer);
FLAC__ASSERT(unaligned_pointer != aligned_pointer);
if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
return false;
pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
if(0 == pu) {
return false;
}
else {
if(*unaligned_pointer != 0)
free(*unaligned_pointer);
*unaligned_pointer = pu;
*aligned_pointer = u.pa;
return true;
}
}
#endif
void *safe_malloc_mul_2op_p(size_t size1, size_t size2)
{
if(!size1 || !size2)
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
if(size1 > SIZE_MAX / size2)
return 0;
return malloc(size1*size2);
}

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TMessagesProj/jni/exoplayer/libFLAC/stream_encoder_framing.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <string.h> /* for strlen() */
#include "private/stream_encoder_framing.h"
#include "private/crc.h"
#include "FLAC/assert.h"
#include "share/compat.h"
static FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method);
static FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const uint32_t residual_samples, const uint32_t predictor_order, const uint32_t rice_parameters[], const uint32_t raw_bits[], const uint32_t partition_order, const FLAC__bool is_extended);
FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw)
{
uint32_t i, j;
const uint32_t vendor_string_length = (uint32_t)strlen(FLAC__VENDOR_STRING);
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->is_last, FLAC__STREAM_METADATA_IS_LAST_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->type, FLAC__STREAM_METADATA_TYPE_LEN))
return false;
/*
* First, for VORBIS_COMMENTs, adjust the length to reflect our vendor string
*/
i = metadata->length;
if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
FLAC__ASSERT(metadata->data.vorbis_comment.vendor_string.length == 0 || 0 != metadata->data.vorbis_comment.vendor_string.entry);
i -= metadata->data.vorbis_comment.vendor_string.length;
i += vendor_string_length;
}
FLAC__ASSERT(i < (1u << FLAC__STREAM_METADATA_LENGTH_LEN));
/* double protection */
if(i >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, i, FLAC__STREAM_METADATA_LENGTH_LEN))
return false;
switch(metadata->type) {
case FLAC__METADATA_TYPE_STREAMINFO:
FLAC__ASSERT(metadata->data.stream_info.min_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.max_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.min_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_framesize, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.max_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_framesize, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN))
return false;
FLAC__ASSERT(FLAC__format_sample_rate_is_valid(metadata->data.stream_info.sample_rate));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.sample_rate, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.channels > 0);
FLAC__ASSERT(metadata->data.stream_info.channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.channels-1, FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.bits_per_sample > 0);
FLAC__ASSERT(metadata->data.stream_info.bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.bits_per_sample-1, FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.total_samples < (FLAC__U64L(1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN));
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.stream_info.md5sum, 16))
return false;
break;
case FLAC__METADATA_TYPE_PADDING:
if(!FLAC__bitwriter_write_zeroes(bw, metadata->length * 8))
return false;
break;
case FLAC__METADATA_TYPE_APPLICATION:
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.data, metadata->length - (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)))
return false;
break;
case FLAC__METADATA_TYPE_SEEKTABLE:
for(i = 0; i < metadata->data.seek_table.num_points; i++) {
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].sample_number, FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].stream_offset, FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.seek_table.points[i].frame_samples, FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN))
return false;
}
break;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, vendor_string_length))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)FLAC__VENDOR_STRING, vendor_string_length))
return false;
if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.num_comments))
return false;
for(i = 0; i < metadata->data.vorbis_comment.num_comments; i++) {
if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.comments[i].length))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.vorbis_comment.comments[i].entry, metadata->data.vorbis_comment.comments[i].length))
return false;
}
break;
case FLAC__METADATA_TYPE_CUESHEET:
FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.cue_sheet.media_catalog_number, FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN/8))
return false;
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.cue_sheet.lead_in, FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.is_cd? 1 : 0, FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN))
return false;
if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.num_tracks, FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN))
return false;
for(i = 0; i < metadata->data.cue_sheet.num_tracks; i++) {
const FLAC__StreamMetadata_CueSheet_Track *track = metadata->data.cue_sheet.tracks + i;
if(!FLAC__bitwriter_write_raw_uint64(bw, track->offset, FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->number, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN))
return false;
FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)track->isrc, FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN/8))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->type, FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->pre_emphasis, FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN))
return false;
if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->num_indices, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN))
return false;
for(j = 0; j < track->num_indices; j++) {
const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + j;
if(!FLAC__bitwriter_write_raw_uint64(bw, indx->offset, FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, indx->number, FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN))
return false;
if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN))
return false;
}
}
break;
case FLAC__METADATA_TYPE_PICTURE:
{
size_t len;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.type, FLAC__STREAM_METADATA_PICTURE_TYPE_LEN))
return false;
len = strlen(metadata->data.picture.mime_type);
if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.picture.mime_type, len))
return false;
len = strlen((const char *)metadata->data.picture.description);
if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.description, len))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.width, FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.height, FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.depth, FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.colors, FLAC__STREAM_METADATA_PICTURE_COLORS_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.data_length, FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.data, metadata->data.picture.data_length))
return false;
}
break;
default:
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.unknown.data, metadata->length))
return false;
break;
}
FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw));
return true;
}
FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw)
{
uint32_t u, blocksize_hint, sample_rate_hint;
FLAC__byte crc;
FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw));
if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__FRAME_HEADER_SYNC, FLAC__FRAME_HEADER_SYNC_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_RESERVED_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, (header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER)? 0 : 1, FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN))
return false;
FLAC__ASSERT(header->blocksize > 0 && header->blocksize <= FLAC__MAX_BLOCK_SIZE);
/* when this assertion holds true, any legal blocksize can be expressed in the frame header */
FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535u);
blocksize_hint = 0;
switch(header->blocksize) {
case 192: u = 1; break;
case 576: u = 2; break;
case 1152: u = 3; break;
case 2304: u = 4; break;
case 4608: u = 5; break;
case 256: u = 8; break;
case 512: u = 9; break;
case 1024: u = 10; break;
case 2048: u = 11; break;
case 4096: u = 12; break;
case 8192: u = 13; break;
case 16384: u = 14; break;
case 32768: u = 15; break;
default:
if(header->blocksize <= 0x100)
blocksize_hint = u = 6;
else
blocksize_hint = u = 7;
break;
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(FLAC__format_sample_rate_is_valid(header->sample_rate));
sample_rate_hint = 0;
switch(header->sample_rate) {
case 88200: u = 1; break;
case 176400: u = 2; break;
case 192000: u = 3; break;
case 8000: u = 4; break;
case 16000: u = 5; break;
case 22050: u = 6; break;
case 24000: u = 7; break;
case 32000: u = 8; break;
case 44100: u = 9; break;
case 48000: u = 10; break;
case 96000: u = 11; break;
default:
if(header->sample_rate <= 255000 && header->sample_rate % 1000 == 0)
sample_rate_hint = u = 12;
else if(header->sample_rate % 10 == 0)
sample_rate_hint = u = 14;
else if(header->sample_rate <= 0xffff)
sample_rate_hint = u = 13;
else
u = 0;
break;
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_SAMPLE_RATE_LEN))
return false;
FLAC__ASSERT(header->channels > 0 && header->channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN) && header->channels <= FLAC__MAX_CHANNELS);
switch(header->channel_assignment) {
case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
u = header->channels - 1;
break;
case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
FLAC__ASSERT(header->channels == 2);
u = 8;
break;
case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
FLAC__ASSERT(header->channels == 2);
u = 9;
break;
case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
FLAC__ASSERT(header->channels == 2);
u = 10;
break;
default:
FLAC__ASSERT(0);
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN))
return false;
FLAC__ASSERT(header->bits_per_sample > 0 && header->bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
switch(header->bits_per_sample) {
case 8 : u = 1; break;
case 12: u = 2; break;
case 16: u = 4; break;
case 20: u = 5; break;
case 24: u = 6; break;
default: u = 0; break;
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_ZERO_PAD_LEN))
return false;
if(header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER) {
if(!FLAC__bitwriter_write_utf8_uint32(bw, header->number.frame_number))
return false;
}
else {
if(!FLAC__bitwriter_write_utf8_uint64(bw, header->number.sample_number))
return false;
}
if(blocksize_hint)
if(!FLAC__bitwriter_write_raw_uint32(bw, header->blocksize-1, (blocksize_hint==6)? 8:16))
return false;
switch(sample_rate_hint) {
case 12:
if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 1000, 8))
return false;
break;
case 13:
if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate, 16))
return false;
break;
case 14:
if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 10, 16))
return false;
break;
}
/* write the CRC */
if(!FLAC__bitwriter_get_write_crc8(bw, &crc))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, crc, FLAC__FRAME_HEADER_CRC_LEN))
return false;
return true;
}
FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw)
{
FLAC__bool ok;
ok =
FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN) &&
(wasted_bits? FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1) : true) &&
FLAC__bitwriter_write_raw_int32(bw, subframe->value, subframe_bps)
;
return ok;
}
FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw)
{
uint32_t i;
if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK | (subframe->order<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
return false;
if(wasted_bits)
if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
return false;
for(i = 0; i < subframe->order; i++)
if(!FLAC__bitwriter_write_raw_int32(bw, subframe->warmup[i], subframe_bps))
return false;
if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method))
return false;
switch(subframe->entropy_coding_method.type) {
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
if(!add_residual_partitioned_rice_(
bw,
subframe->residual,
residual_samples,
subframe->order,
subframe->entropy_coding_method.data.partitioned_rice.contents->parameters,
subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits,
subframe->entropy_coding_method.data.partitioned_rice.order,
/*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2
))
return false;
break;
default:
FLAC__ASSERT(0);
}
return true;
}
FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw)
{
uint32_t i;
if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK | ((subframe->order-1)<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
return false;
if(wasted_bits)
if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
return false;
for(i = 0; i < subframe->order; i++)
if(!FLAC__bitwriter_write_raw_int32(bw, subframe->warmup[i], subframe_bps))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, subframe->qlp_coeff_precision-1, FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN))
return false;
if(!FLAC__bitwriter_write_raw_int32(bw, subframe->quantization_level, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN))
return false;
for(i = 0; i < subframe->order; i++)
if(!FLAC__bitwriter_write_raw_int32(bw, subframe->qlp_coeff[i], subframe->qlp_coeff_precision))
return false;
if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method))
return false;
switch(subframe->entropy_coding_method.type) {
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
if(!add_residual_partitioned_rice_(
bw,
subframe->residual,
residual_samples,
subframe->order,
subframe->entropy_coding_method.data.partitioned_rice.contents->parameters,
subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits,
subframe->entropy_coding_method.data.partitioned_rice.order,
/*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2
))
return false;
break;
default:
FLAC__ASSERT(0);
}
return true;
}
FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, uint32_t samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw)
{
uint32_t i;
const FLAC__int32 *signal = subframe->data;
if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
return false;
if(wasted_bits)
if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
return false;
for(i = 0; i < samples; i++)
if(!FLAC__bitwriter_write_raw_int32(bw, signal[i], subframe_bps))
return false;
return true;
}
FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method)
{
if(!FLAC__bitwriter_write_raw_uint32(bw, method->type, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN))
return false;
switch(method->type) {
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
if(!FLAC__bitwriter_write_raw_uint32(bw, method->data.partitioned_rice.order, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
return false;
break;
default:
FLAC__ASSERT(0);
}
return true;
}
FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const uint32_t residual_samples, const uint32_t predictor_order, const uint32_t rice_parameters[], const uint32_t raw_bits[], const uint32_t partition_order, const FLAC__bool is_extended)
{
const uint32_t plen = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN;
const uint32_t pesc = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
if(partition_order == 0) {
uint32_t i;
if(raw_bits[0] == 0) {
if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[0], plen))
return false;
if(!FLAC__bitwriter_write_rice_signed_block(bw, residual, residual_samples, rice_parameters[0]))
return false;
}
else {
FLAC__ASSERT(rice_parameters[0] == 0);
if(!FLAC__bitwriter_write_raw_uint32(bw, pesc, plen))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[0], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
return false;
for(i = 0; i < residual_samples; i++) {
if(!FLAC__bitwriter_write_raw_int32(bw, residual[i], raw_bits[0]))
return false;
}
}
return true;
}
else {
uint32_t i, j, k = 0, k_last = 0;
uint32_t partition_samples;
const uint32_t default_partition_samples = (residual_samples+predictor_order) >> partition_order;
for(i = 0; i < (1u<<partition_order); i++) {
partition_samples = default_partition_samples;
if(i == 0)
partition_samples -= predictor_order;
k += partition_samples;
if(raw_bits[i] == 0) {
if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[i], plen))
return false;
if(!FLAC__bitwriter_write_rice_signed_block(bw, residual+k_last, k-k_last, rice_parameters[i]))
return false;
}
else {
if(!FLAC__bitwriter_write_raw_uint32(bw, pesc, plen))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[i], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
return false;
for(j = k_last; j < k; j++) {
if(!FLAC__bitwriter_write_raw_int32(bw, residual[j], raw_bits[i]))
return false;
}
}
k_last = k;
}
return true;
}
}

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/stream_encoder.h"
#include "private/bitmath.h"
#ifdef FLAC__AVX2_SUPPORTED
#include <stdlib.h> /* for abs() */
#include <immintrin.h> /* AVX2 */
#include "FLAC/assert.h"
FLAC__SSE_TARGET("avx2")
void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps)
{
const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
uint32_t partitions = 1u << max_partition_order;
FLAC__ASSERT(default_partition_samples > predictor_order);
/* first do max_partition_order */
{
const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
uint32_t partition, residual_sample, end = (uint32_t)(-(int32_t)predictor_order);
if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
for(partition = residual_sample = 0; partition < partitions; partition++) {
__m256i sum256 = _mm256_setzero_si256();
__m128i sum128;
end += default_partition_samples;
for( ; (int)residual_sample < (int)end-7; residual_sample+=8) {
__m256i res256 = _mm256_abs_epi32(_mm256_loadu_si256((const __m256i*)(residual+residual_sample)));
sum256 = _mm256_add_epi32(sum256, res256);
}
sum128 = _mm_add_epi32(_mm256_extracti128_si256(sum256, 1), _mm256_castsi256_si128(sum256));
for( ; (int)residual_sample < (int)end-3; residual_sample+=4) {
__m128i res128 = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
sum128 = _mm_add_epi32(sum128, res128);
}
for( ; residual_sample < end; residual_sample++) {
__m128i res128 = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
sum128 = _mm_add_epi32(sum128, res128);
}
sum128 = _mm_hadd_epi32(sum128, sum128);
sum128 = _mm_hadd_epi32(sum128, sum128);
abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(sum128);
/* workaround for a bug in MSVC2015U2 - see https://connect.microsoft.com/VisualStudio/feedback/details/2659191/incorrect-code-generation-for-x86-64 */
#if (defined _MSC_VER) && (_MSC_FULL_VER == 190023918) && (defined FLAC__CPU_X86_64)
abs_residual_partition_sums[partition] &= 0xFFFFFFFF; /**/
#endif
}
}
else { /* have to pessimistically use 64 bits for accumulator */
for(partition = residual_sample = 0; partition < partitions; partition++) {
__m256i sum256 = _mm256_setzero_si256();
__m128i sum128;
end += default_partition_samples;
for( ; (int)residual_sample < (int)end-3; residual_sample+=4) {
__m128i res128 = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
__m256i res256 = _mm256_cvtepu32_epi64(res128);
sum256 = _mm256_add_epi64(sum256, res256);
}
sum128 = _mm_add_epi64(_mm256_extracti128_si256(sum256, 1), _mm256_castsi256_si128(sum256));
for( ; (int)residual_sample < (int)end-1; residual_sample+=2) {
__m128i res128 = _mm_abs_epi32(_mm_loadl_epi64((const __m128i*)(residual+residual_sample)));
res128 = _mm_cvtepu32_epi64(res128);
sum128 = _mm_add_epi64(sum128, res128);
}
for( ; residual_sample < end; residual_sample++) {
__m128i res128 = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
sum128 = _mm_add_epi64(sum128, res128);
}
sum128 = _mm_add_epi64(sum128, _mm_srli_si128(sum128, 8));
_mm_storel_epi64((__m128i*)(abs_residual_partition_sums+partition), sum128);
}
}
}
/* now merge partitions for lower orders */
{
uint32_t from_partition = 0, to_partition = partitions;
int partition_order;
for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
uint32_t i;
partitions >>= 1;
for(i = 0; i < partitions; i++) {
abs_residual_partition_sums[to_partition++] =
abs_residual_partition_sums[from_partition ] +
abs_residual_partition_sums[from_partition+1];
from_partition += 2;
}
}
}
_mm256_zeroupper();
}
#endif /* FLAC__AVX2_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */

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TMessagesProj/jni/exoplayer/libFLAC/stream_encoder_intrin_sse2.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/stream_encoder.h"
#include "private/bitmath.h"
#ifdef FLAC__SSE2_SUPPORTED
#include <stdlib.h> /* for abs() */
#include <emmintrin.h> /* SSE2 */
#include "FLAC/assert.h"
#include "share/compat.h"
FLAC__SSE_TARGET("sse2")
static inline __m128i local_abs_epi32(__m128i val)
{
__m128i mask = _mm_srai_epi32(val, 31);
val = _mm_xor_si128(val, mask);
val = _mm_sub_epi32(val, mask);
return val;
}
FLAC__SSE_TARGET("sse2")
void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps)
{
const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
uint32_t partitions = 1u << max_partition_order;
FLAC__ASSERT(default_partition_samples > predictor_order);
/* first do max_partition_order */
{
const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
uint32_t partition, residual_sample, end = (uint32_t)(-(int32_t)predictor_order);
if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
for(partition = residual_sample = 0; partition < partitions; partition++) {
__m128i mm_sum = _mm_setzero_si128();
uint32_t e1, e3;
end += default_partition_samples;
e1 = (residual_sample + 3) & ~3; e3 = end & ~3;
if(e1 > end)
e1 = end; /* try flac -l 1 -b 16 and you'll be here */
/* assumption: residual[] is properly aligned so (residual + e1) is properly aligned too and _mm_loadu_si128() is fast */
for( ; residual_sample < e1; residual_sample++) {
__m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
mm_sum = _mm_add_epi32(mm_sum, mm_res);
}
for( ; residual_sample < e3; residual_sample+=4) {
__m128i mm_res = local_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
mm_sum = _mm_add_epi32(mm_sum, mm_res);
}
for( ; residual_sample < end; residual_sample++) {
__m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
mm_sum = _mm_add_epi32(mm_sum, mm_res);
}
mm_sum = _mm_add_epi32(mm_sum, _mm_srli_si128(mm_sum, 8));
mm_sum = _mm_add_epi32(mm_sum, _mm_srli_si128(mm_sum, 4));
abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(mm_sum);
/* workaround for a bug in MSVC2015U2 - see https://connect.microsoft.com/VisualStudio/feedback/details/2659191/incorrect-code-generation-for-x86-64 */
#if (defined _MSC_VER) && (_MSC_FULL_VER == 190023918) && (defined FLAC__CPU_X86_64)
abs_residual_partition_sums[partition] &= 0xFFFFFFFF;
#endif
}
}
else { /* have to pessimistically use 64 bits for accumulator */
for(partition = residual_sample = 0; partition < partitions; partition++) {
__m128i mm_sum = _mm_setzero_si128();
uint32_t e1, e3;
end += default_partition_samples;
e1 = (residual_sample + 1) & ~1; e3 = end & ~1;
FLAC__ASSERT(e1 <= end);
for( ; residual_sample < e1; residual_sample++) {
__m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); /* 0 0 0 |r0| == 00 |r0_64| */
mm_sum = _mm_add_epi64(mm_sum, mm_res);
}
for( ; residual_sample < e3; residual_sample+=2) {
__m128i mm_res = local_abs_epi32(_mm_loadl_epi64((const __m128i*)(residual+residual_sample))); /* 0 0 |r1| |r0| */
mm_res = _mm_shuffle_epi32(mm_res, _MM_SHUFFLE(3,1,2,0)); /* 0 |r1| 0 |r0| == |r1_64| |r0_64| */
mm_sum = _mm_add_epi64(mm_sum, mm_res);
}
for( ; residual_sample < end; residual_sample++) {
__m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
mm_sum = _mm_add_epi64(mm_sum, mm_res);
}
mm_sum = _mm_add_epi64(mm_sum, _mm_srli_si128(mm_sum, 8));
_mm_storel_epi64((__m128i*)(abs_residual_partition_sums+partition), mm_sum);
}
}
}
/* now merge partitions for lower orders */
{
uint32_t from_partition = 0, to_partition = partitions;
int partition_order;
for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
uint32_t i;
partitions >>= 1;
for(i = 0; i < partitions; i++) {
abs_residual_partition_sums[to_partition++] =
abs_residual_partition_sums[from_partition ] +
abs_residual_partition_sums[from_partition+1];
from_partition += 2;
}
}
}
}
#endif /* FLAC__SSE2_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */

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TMessagesProj/jni/exoplayer/libFLAC/stream_encoder_intrin_ssse3.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/stream_encoder.h"
#include "private/bitmath.h"
#ifdef FLAC__SSSE3_SUPPORTED
#include <stdlib.h> /* for abs() */
#include <tmmintrin.h> /* SSSE3 */
#include "FLAC/assert.h"
FLAC__SSE_TARGET("ssse3")
void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps)
{
const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
uint32_t partitions = 1u << max_partition_order;
FLAC__ASSERT(default_partition_samples > predictor_order);
/* first do max_partition_order */
{
const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
uint32_t partition, residual_sample, end = (uint32_t)(-(int32_t)predictor_order);
if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
for(partition = residual_sample = 0; partition < partitions; partition++) {
__m128i mm_sum = _mm_setzero_si128();
uint32_t e1, e3;
end += default_partition_samples;
e1 = (residual_sample + 3) & ~3; e3 = end & ~3;
if(e1 > end)
e1 = end; /* try flac -l 1 -b 16 and you'll be here */
/* assumption: residual[] is properly aligned so (residual + e1) is properly aligned too and _mm_loadu_si128() is fast */
for( ; residual_sample < e1; residual_sample++) {
__m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
mm_sum = _mm_add_epi32(mm_sum, mm_res);
}
for( ; residual_sample < e3; residual_sample+=4) {
__m128i mm_res = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
mm_sum = _mm_add_epi32(mm_sum, mm_res);
}
for( ; residual_sample < end; residual_sample++) {
__m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
mm_sum = _mm_add_epi32(mm_sum, mm_res);
}
mm_sum = _mm_hadd_epi32(mm_sum, mm_sum);
mm_sum = _mm_hadd_epi32(mm_sum, mm_sum);
abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(mm_sum);
/* workaround for a bug in MSVC2015U2 - see https://connect.microsoft.com/VisualStudio/feedback/details/2659191/incorrect-code-generation-for-x86-64 */
#if (defined _MSC_VER) && (_MSC_FULL_VER == 190023918) && (defined FLAC__CPU_X86_64)
abs_residual_partition_sums[partition] &= 0xFFFFFFFF;
#endif
}
}
else { /* have to pessimistically use 64 bits for accumulator */
for(partition = residual_sample = 0; partition < partitions; partition++) {
__m128i mm_sum = _mm_setzero_si128();
uint32_t e1, e3;
end += default_partition_samples;
e1 = (residual_sample + 1) & ~1; e3 = end & ~1;
FLAC__ASSERT(e1 <= end);
for( ; residual_sample < e1; residual_sample++) {
__m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); /* 0 0 0 |r0| == 00 |r0_64| */
mm_sum = _mm_add_epi64(mm_sum, mm_res);
}
for( ; residual_sample < e3; residual_sample+=2) {
__m128i mm_res = _mm_abs_epi32(_mm_loadl_epi64((const __m128i*)(residual+residual_sample))); /* 0 0 |r1| |r0| */
mm_res = _mm_shuffle_epi32(mm_res, _MM_SHUFFLE(3,1,2,0)); /* 0 |r1| 0 |r0| == |r1_64| |r0_64| */
mm_sum = _mm_add_epi64(mm_sum, mm_res);
}
for( ; residual_sample < end; residual_sample++) {
__m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
mm_sum = _mm_add_epi64(mm_sum, mm_res);
}
mm_sum = _mm_add_epi64(mm_sum, _mm_srli_si128(mm_sum, 8));
_mm_storel_epi64((__m128i*)(abs_residual_partition_sums+partition), mm_sum);
}
}
}
/* now merge partitions for lower orders */
{
uint32_t from_partition = 0, to_partition = partitions;
int partition_order;
for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
uint32_t i;
partitions >>= 1;
for(i = 0; i < partitions; i++) {
abs_residual_partition_sums[to_partition++] =
abs_residual_partition_sums[from_partition ] +
abs_residual_partition_sums[from_partition+1];
from_partition += 2;
}
}
}
}
#endif /* FLAC__SSSE3_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */

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TMessagesProj/jni/exoplayer/libFLAC/window.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2006-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <math.h>
#include "share/compat.h"
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include "private/window.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
if (L & 1) {
for (n = 0; n <= N/2; n++)
window[n] = 2.0f * n / (float)N;
for (; n <= N; n++)
window[n] = 2.0f - 2.0f * n / (float)N;
}
else {
for (n = 0; n <= L/2-1; n++)
window[n] = 2.0f * n / (float)N;
for (; n <= N; n++)
window[n] = 2.0f - 2.0f * n / (float)N;
}
}
void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.62f - 0.48f * fabs((float)n/(float)N-0.5f) - 0.38f * cos(2.0f * M_PI * ((float)n/(float)N)));
}
void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.42f - 0.5f * cos(2.0f * M_PI * n / N) + 0.08f * cos(4.0f * M_PI * n / N));
}
/* 4-term -92dB side-lobe */
void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n <= N; n++)
window[n] = (FLAC__real)(0.35875f - 0.48829f * cos(2.0f * M_PI * n / N) + 0.14128f * cos(4.0f * M_PI * n / N) - 0.01168f * cos(6.0f * M_PI * n / N));
}
void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
const double N2 = (double)N / 2.;
FLAC__int32 n;
for (n = 0; n <= N; n++) {
double k = ((double)n - N2) / N2;
k = 1.0f - k * k;
window[n] = (FLAC__real)(k * k);
}
}
void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.21557895f - 0.41663158f * cos(2.0f * M_PI * n / N) + 0.277263158f * cos(4.0f * M_PI * n / N) - 0.083578947f * cos(6.0f * M_PI * n / N) + 0.006947368f * cos(8.0f * M_PI * n / N));
}
void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev)
{
const FLAC__int32 N = L - 1;
const double N2 = (double)N / 2.;
FLAC__int32 n;
for (n = 0; n <= N; n++) {
const double k = ((double)n - N2) / (stddev * N2);
window[n] = (FLAC__real)exp(-0.5f * k * k);
}
}
void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.54f - 0.46f * cos(2.0f * M_PI * n / N));
}
void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(2.0f * M_PI * n / N));
}
void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.402f - 0.498f * cos(2.0f * M_PI * n / N) + 0.098f * cos(4.0f * M_PI * n / N) - 0.001f * cos(6.0f * M_PI * n / N));
}
void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = (FLAC__real)(0.3635819f - 0.4891775f*cos(2.0f*M_PI*n/N) + 0.1365995f*cos(4.0f*M_PI*n/N) - 0.0106411f*cos(6.0f*M_PI*n/N));
}
void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L)
{
FLAC__int32 n;
for (n = 0; n < L; n++)
window[n] = 1.0f;
}
void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L)
{
FLAC__int32 n;
if (L & 1) {
for (n = 1; n <= (L+1)/2; n++)
window[n-1] = 2.0f * n / ((float)L + 1.0f);
for (; n <= L; n++)
window[n-1] = (float)(2 * (L - n + 1)) / ((float)L + 1.0f);
}
else {
for (n = 1; n <= L/2; n++)
window[n-1] = 2.0f * n / ((float)L + 1.0f);
for (; n <= L; n++)
window[n-1] = (float)(2 * (L - n + 1)) / ((float)L + 1.0f);
}
}
void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p)
{
if (p <= 0.0)
FLAC__window_rectangle(window, L);
else if (p >= 1.0)
FLAC__window_hann(window, L);
else {
const FLAC__int32 Np = (FLAC__int32)(p / 2.0f * L) - 1;
FLAC__int32 n;
/* start with rectangle... */
FLAC__window_rectangle(window, L);
/* ...replace ends with hann */
if (Np > 0) {
for (n = 0; n <= Np; n++) {
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * n / Np));
window[L-Np-1+n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * (n+Np) / Np));
}
}
}
}
void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end)
{
const FLAC__int32 start_n = (FLAC__int32)(start * L);
const FLAC__int32 end_n = (FLAC__int32)(end * L);
const FLAC__int32 N = end_n - start_n;
FLAC__int32 Np, n, i;
if (p <= 0.0f)
FLAC__window_partial_tukey(window, L, 0.05f, start, end);
else if (p >= 1.0f)
FLAC__window_partial_tukey(window, L, 0.95f, start, end);
else {
Np = (FLAC__int32)(p / 2.0f * N);
for (n = 0; n < start_n && n < L; n++)
window[n] = 0.0f;
for (i = 1; n < (start_n+Np) && n < L; n++, i++)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Np));
for (; n < (end_n-Np) && n < L; n++)
window[n] = 1.0f;
for (i = Np; n < end_n && n < L; n++, i--)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Np));
for (; n < L; n++)
window[n] = 0.0f;
}
}
void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end)
{
const FLAC__int32 start_n = (FLAC__int32)(start * L);
const FLAC__int32 end_n = (FLAC__int32)(end * L);
FLAC__int32 Ns, Ne, n, i;
if (p <= 0.0f)
FLAC__window_punchout_tukey(window, L, 0.05f, start, end);
else if (p >= 1.0f)
FLAC__window_punchout_tukey(window, L, 0.95f, start, end);
else {
Ns = (FLAC__int32)(p / 2.0f * start_n);
Ne = (FLAC__int32)(p / 2.0f * (L - end_n));
for (n = 0, i = 1; n < Ns && n < L; n++, i++)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ns));
for (; n < start_n-Ns && n < L; n++)
window[n] = 1.0f;
for (i = Ns; n < start_n && n < L; n++, i--)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ns));
for (; n < end_n && n < L; n++)
window[n] = 0.0f;
for (i = 1; n < end_n+Ne && n < L; n++, i++)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ne));
for (; n < L - (Ne) && n < L; n++)
window[n] = 1.0f;
for (i = Ne; n < L; n++, i--)
window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ne));
}
}
void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L)
{
const FLAC__int32 N = L - 1;
const double N2 = (double)N / 2.;
FLAC__int32 n;
for (n = 0; n <= N; n++) {
const double k = ((double)n - N2) / N2;
window[n] = (FLAC__real)(1.0f - k * k);
}
}
#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */

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TMessagesProj/jni/exoplayer/libFLAC/windows_unicode_filenames.c Executable file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2013-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <io.h>
#include "share/windows_unicode_filenames.h"
/* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */
static wchar_t *wchar_from_utf8(const char *str)
{
wchar_t *widestr;
int len;
if (!str)
return NULL;
if ((len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0)) == 0)
return NULL;
if ((widestr = (wchar_t *)malloc(len*sizeof(wchar_t))) == NULL)
return NULL;
if (MultiByteToWideChar(CP_UTF8, 0, str, -1, widestr, len) == 0) {
free(widestr);
widestr = NULL;
}
return widestr;
}
static FLAC__bool utf8_filenames = false;
void flac_internal_set_utf8_filenames(FLAC__bool flag)
{
utf8_filenames = flag ? true : false;
}
FLAC__bool flac_internal_get_utf8_filenames(void)
{
return utf8_filenames;
}
/* file functions */
FILE* flac_internal_fopen_utf8(const char *filename, const char *mode)
{
if (!utf8_filenames) {
return fopen(filename, mode);
} else {
wchar_t *wname = NULL;
wchar_t *wmode = NULL;
FILE *f = NULL;
do {
if (!(wname = wchar_from_utf8(filename))) break;
if (!(wmode = wchar_from_utf8(mode))) break;
f = _wfopen(wname, wmode);
} while(0);
free(wname);
free(wmode);
return f;
}
}
int flac_internal_stat64_utf8(const char *path, struct __stat64 *buffer)
{
if (!utf8_filenames) {
return _stat64(path, buffer);
} else {
wchar_t *wpath;
int ret;
if (!(wpath = wchar_from_utf8(path))) return -1;
ret = _wstat64(wpath, buffer);
free(wpath);
return ret;
}
}
int flac_internal_chmod_utf8(const char *filename, int pmode)
{
if (!utf8_filenames) {
return _chmod(filename, pmode);
} else {
wchar_t *wname;
int ret;
if (!(wname = wchar_from_utf8(filename))) return -1;
ret = _wchmod(wname, pmode);
free(wname);
return ret;
}
}
int flac_internal_utime_utf8(const char *filename, struct utimbuf *times)
{
if (!utf8_filenames) {
return utime(filename, times);
} else {
wchar_t *wname;
struct __utimbuf64 ut;
int ret;
if (!(wname = wchar_from_utf8(filename))) return -1;
ut.actime = times->actime;
ut.modtime = times->modtime;
ret = _wutime64(wname, &ut);
free(wname);
return ret;
}
}
int flac_internal_unlink_utf8(const char *filename)
{
if (!utf8_filenames) {
return _unlink(filename);
} else {
wchar_t *wname;
int ret;
if (!(wname = wchar_from_utf8(filename))) return -1;
ret = _wunlink(wname);
free(wname);
return ret;
}
}
int flac_internal_rename_utf8(const char *oldname, const char *newname)
{
if (!utf8_filenames) {
return rename(oldname, newname);
} else {
wchar_t *wold = NULL;
wchar_t *wnew = NULL;
int ret = -1;
do {
if (!(wold = wchar_from_utf8(oldname))) break;
if (!(wnew = wchar_from_utf8(newname))) break;
ret = _wrename(wold, wnew);
} while(0);
free(wold);
free(wnew);
return ret;
}
}
HANDLE WINAPI flac_internal_CreateFile_utf8(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
{
#if _MSC_VER > 1900 && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
wchar_t *wname;
HANDLE handle = INVALID_HANDLE_VALUE;
if ((wname = wchar_from_utf8(lpFileName)) != NULL) {
handle = CreateFile2(wname, dwDesiredAccess, dwShareMode, CREATE_ALWAYS, NULL);
free(wname);
}
#else
if (!utf8_filenames) {
return CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
} else {
wchar_t *wname;
HANDLE handle = INVALID_HANDLE_VALUE;
if ((wname = wchar_from_utf8(lpFileName)) != NULL) {
handle = CreateFileW(wname, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
free(wname);
}
return handle;
}
#endif
}

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TMessagesProj/jni/exoplayer/opus_jni.cc Normal file
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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef __ANDROID__
#include <android/log.h>
#endif
#include <jni.h>
#include <cstdint>
#include <cstdlib>
#include "opus.h" // NOLINT
#include "opus_multistream.h" // NOLINT
#ifdef __ANDROID__
#define LOG_TAG "opus_jni"
#define LOGE(...) \
((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
#else // __ANDROID__
#define LOGE(...) \
do { \
} while (0)
#endif // __ANDROID__
#define DECODER_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_opus_OpusDecoder_##NAME( \
JNIEnv* env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_opus_OpusDecoder_##NAME( \
JNIEnv* env, jobject thiz, ##__VA_ARGS__)
#define LIBRARY_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_opus_OpusLibrary_##NAME( \
JNIEnv* env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_opus_OpusLibrary_##NAME( \
JNIEnv* env, jobject thiz, ##__VA_ARGS__)
// JNI references for SimpleOutputBuffer class.
static jmethodID outputBufferInit;
static const int kBytesPerIntPcmSample = 2;
static const int kBytesPerFloatSample = 4;
static const int kMaxOpusOutputPacketSizeSamples = 960 * 6;
static int channelCount;
static int errorCode;
static bool outputFloat = false;
DECODER_FUNC(jlong, opusInit, jint sampleRate, jint channelCount,
jint numStreams, jint numCoupled, jint gain,
jbyteArray jStreamMap) {
int status = OPUS_INVALID_STATE;
::channelCount = channelCount;
errorCode = 0;
jbyte* streamMapBytes = env->GetByteArrayElements(jStreamMap, 0);
uint8_t* streamMap = reinterpret_cast<uint8_t*>(streamMapBytes);
OpusMSDecoder* decoder = opus_multistream_decoder_create(
sampleRate, channelCount, numStreams, numCoupled, streamMap, &status);
env->ReleaseByteArrayElements(jStreamMap, streamMapBytes, 0);
if (!decoder || status != OPUS_OK) {
LOGE("Failed to create Opus Decoder; status=%s", opus_strerror(status));
return 0;
}
status = opus_multistream_decoder_ctl(decoder, OPUS_SET_GAIN(gain));
if (status != OPUS_OK) {
LOGE("Failed to set Opus header gain; status=%s", opus_strerror(status));
return 0;
}
// Populate JNI References.
const jclass outputBufferClass = env->FindClass(
"com/google/android/exoplayer2/decoder/SimpleDecoderOutputBuffer");
outputBufferInit =
env->GetMethodID(outputBufferClass, "init", "(JI)Ljava/nio/ByteBuffer;");
return reinterpret_cast<intptr_t>(decoder);
}
DECODER_FUNC(jint, opusDecode, jlong jDecoder, jlong jTimeUs,
jobject jInputBuffer, jint inputSize, jobject jOutputBuffer) {
OpusMSDecoder* decoder = reinterpret_cast<OpusMSDecoder*>(jDecoder);
const uint8_t* inputBuffer = reinterpret_cast<const uint8_t*>(
env->GetDirectBufferAddress(jInputBuffer));
const int byteSizePerSample =
outputFloat ? kBytesPerFloatSample : kBytesPerIntPcmSample;
const jint outputSize =
kMaxOpusOutputPacketSizeSamples * byteSizePerSample * channelCount;
env->CallObjectMethod(jOutputBuffer, outputBufferInit, jTimeUs, outputSize);
if (env->ExceptionCheck()) {
// Exception is thrown in Java when returning from the native call.
return -1;
}
const jobject jOutputBufferData = env->CallObjectMethod(
jOutputBuffer, outputBufferInit, jTimeUs, outputSize);
if (env->ExceptionCheck()) {
// Exception is thrown in Java when returning from the native call.
return -1;
}
int sampleCount;
if (outputFloat) {
float* outputBufferData = reinterpret_cast<float*>(
env->GetDirectBufferAddress(jOutputBufferData));
sampleCount = opus_multistream_decode_float(
decoder, inputBuffer, inputSize, outputBufferData,
kMaxOpusOutputPacketSizeSamples, 0);
} else {
int16_t* outputBufferData = reinterpret_cast<int16_t*>(
env->GetDirectBufferAddress(jOutputBufferData));
sampleCount = opus_multistream_decode(decoder, inputBuffer, inputSize,
outputBufferData,
kMaxOpusOutputPacketSizeSamples, 0);
}
// record error code
errorCode = (sampleCount < 0) ? sampleCount : 0;
return (sampleCount < 0) ? sampleCount
: sampleCount * byteSizePerSample * channelCount;
}
DECODER_FUNC(jint, opusSecureDecode, jlong jDecoder, jlong jTimeUs,
jobject jInputBuffer, jint inputSize, jobject jOutputBuffer,
jint sampleRate, jobject mediaCrypto, jint inputMode,
jbyteArray key, jbyteArray javaIv, jint inputNumSubSamples,
jintArray numBytesOfClearData, jintArray numBytesOfEncryptedData) {
// Doesn't support
// Java client should have checked vpxSupportSecureDecode
// and avoid calling this
// return -2 (DRM Error)
return -2;
}
DECODER_FUNC(void, opusClose, jlong jDecoder) {
OpusMSDecoder* decoder = reinterpret_cast<OpusMSDecoder*>(jDecoder);
opus_multistream_decoder_destroy(decoder);
}
DECODER_FUNC(void, opusReset, jlong jDecoder) {
OpusMSDecoder* decoder = reinterpret_cast<OpusMSDecoder*>(jDecoder);
opus_multistream_decoder_ctl(decoder, OPUS_RESET_STATE);
}
DECODER_FUNC(jstring, opusGetErrorMessage, jlong jContext) {
return env->NewStringUTF(opus_strerror(errorCode));
}
DECODER_FUNC(jint, opusGetErrorCode, jlong jContext) { return errorCode; }
DECODER_FUNC(void, opusSetFloatOutput) { outputFloat = true; }
LIBRARY_FUNC(jstring, opusIsSecureDecodeSupported) {
// Doesn't support
return 0;
}
LIBRARY_FUNC(jstring, opusGetVersion) {
return env->NewStringUTF(opus_get_version_string());
}