Repo created

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Fr4nz D13trich 2025-11-22 14:04:28 +01:00
parent 81b91f4139
commit f8c34fa5ee
22732 changed files with 4815320 additions and 2 deletions

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <dlfcn.h>
#include "AudioInputALSA.h"
#include "../../logging.h"
#include "../../VoIPController.h"
using namespace tgvoip::audio;
#define BUFFER_SIZE 960
#define CHECK_ERROR(res, msg) if(res<0){LOGE(msg ": %s", _snd_strerror(res)); failed=true; return;}
#define CHECK_DL_ERROR(res, msg) if(!res){LOGE(msg ": %s", dlerror()); failed=true; return;}
#define LOAD_FUNCTION(lib, name, ref) {ref=(typeof(ref))dlsym(lib, name); CHECK_DL_ERROR(ref, "Error getting entry point for " name);}
AudioInputALSA::AudioInputALSA(std::string devID){
isRecording=false;
handle=NULL;
lib=dlopen("libasound.so.2", RTLD_LAZY);
if(!lib)
lib=dlopen("libasound.so", RTLD_LAZY);
if(!lib){
LOGE("Error loading libasound: %s", dlerror());
failed=true;
return;
}
LOAD_FUNCTION(lib, "snd_pcm_open", _snd_pcm_open);
LOAD_FUNCTION(lib, "snd_pcm_set_params", _snd_pcm_set_params);
LOAD_FUNCTION(lib, "snd_pcm_close", _snd_pcm_close);
LOAD_FUNCTION(lib, "snd_pcm_readi", _snd_pcm_readi);
LOAD_FUNCTION(lib, "snd_pcm_recover", _snd_pcm_recover);
LOAD_FUNCTION(lib, "snd_strerror", _snd_strerror);
SetCurrentDevice(devID);
}
AudioInputALSA::~AudioInputALSA(){
if(handle)
_snd_pcm_close(handle);
if(lib)
dlclose(lib);
}
void AudioInputALSA::Start(){
if(failed || isRecording)
return;
isRecording=true;
thread=new Thread(std::bind(&AudioInputALSA::RunThread, this));
thread->SetName("AudioInputALSA");
thread->Start();
}
void AudioInputALSA::Stop(){
if(!isRecording)
return;
isRecording=false;
thread->Join();
delete thread;
thread=NULL;
}
void AudioInputALSA::RunThread(){
unsigned char buffer[BUFFER_SIZE*2];
snd_pcm_sframes_t frames;
while(isRecording){
frames=_snd_pcm_readi(handle, buffer, BUFFER_SIZE);
if (frames < 0){
frames = _snd_pcm_recover(handle, frames, 0);
}
if (frames < 0) {
LOGE("snd_pcm_readi failed: %s\n", _snd_strerror(frames));
break;
}
InvokeCallback(buffer, sizeof(buffer));
}
}
void AudioInputALSA::SetCurrentDevice(std::string devID){
bool wasRecording=isRecording;
isRecording=false;
if(handle){
thread->Join();
_snd_pcm_close(handle);
}
currentDevice=devID;
int res=_snd_pcm_open(&handle, devID.c_str(), SND_PCM_STREAM_CAPTURE, 0);
if(res<0)
res=_snd_pcm_open(&handle, "default", SND_PCM_STREAM_CAPTURE, 0);
CHECK_ERROR(res, "snd_pcm_open failed");
res=_snd_pcm_set_params(handle, SND_PCM_FORMAT_S16, SND_PCM_ACCESS_RW_INTERLEAVED, 1, 48000, 1, 100000);
CHECK_ERROR(res, "snd_pcm_set_params failed");
if(wasRecording){
isRecording=true;
thread->Start();
}
}
void AudioInputALSA::EnumerateDevices(std::vector<AudioInputDevice>& devs){
int (*_snd_device_name_hint)(int card, const char* iface, void*** hints);
char* (*_snd_device_name_get_hint)(const void* hint, const char* id);
int (*_snd_device_name_free_hint)(void** hinst);
void* lib=dlopen("libasound.so.2", RTLD_LAZY);
if(!lib)
dlopen("libasound.so", RTLD_LAZY);
if(!lib)
return;
_snd_device_name_hint=(typeof(_snd_device_name_hint))dlsym(lib, "snd_device_name_hint");
_snd_device_name_get_hint=(typeof(_snd_device_name_get_hint))dlsym(lib, "snd_device_name_get_hint");
_snd_device_name_free_hint=(typeof(_snd_device_name_free_hint))dlsym(lib, "snd_device_name_free_hint");
if(!_snd_device_name_hint || !_snd_device_name_get_hint || !_snd_device_name_free_hint){
dlclose(lib);
return;
}
char** hints;
int err=_snd_device_name_hint(-1, "pcm", (void***)&hints);
if(err!=0){
dlclose(lib);
return;
}
char** n=hints;
while(*n){
char* name=_snd_device_name_get_hint(*n, "NAME");
if(strncmp(name, "surround", 8)==0 || strcmp(name, "null")==0){
free(name);
n++;
continue;
}
char* desc=_snd_device_name_get_hint(*n, "DESC");
char* ioid=_snd_device_name_get_hint(*n, "IOID");
if(!ioid || strcmp(ioid, "Input")==0){
char* l1=strtok(desc, "\n");
char* l2=strtok(NULL, "\n");
char* tmp=strtok(l1, ",");
char* actualName=tmp;
while((tmp=strtok(NULL, ","))){
actualName=tmp;
}
if(actualName[0]==' ')
actualName++;
AudioInputDevice dev;
dev.id=std::string(name);
if(l2){
char buf[256];
snprintf(buf, sizeof(buf), "%s (%s)", actualName, l2);
dev.displayName=std::string(buf);
}else{
dev.displayName=std::string(actualName);
}
devs.push_back(dev);
}
free(name);
free(desc);
free(ioid);
n++;
}
dlclose(lib);
}

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOINPUTALSA_H
#define LIBTGVOIP_AUDIOINPUTALSA_H
#include "../../audio/AudioInput.h"
#include "../../threading.h"
#include <alsa/asoundlib.h>
namespace tgvoip{
namespace audio{
class AudioInputALSA : public AudioInput{
public:
AudioInputALSA(std::string devID);
virtual ~AudioInputALSA();
virtual void Start();
virtual void Stop();
virtual void SetCurrentDevice(std::string devID);
static void EnumerateDevices(std::vector<AudioInputDevice>& devs);
private:
void RunThread();
int (*_snd_pcm_open)(snd_pcm_t** pcm, const char* name, snd_pcm_stream_t stream, int mode);
int (*_snd_pcm_set_params)(snd_pcm_t* pcm, snd_pcm_format_t format, snd_pcm_access_t access, unsigned int channels, unsigned int rate, int soft_resample, unsigned int latency);
int (*_snd_pcm_close)(snd_pcm_t* pcm);
snd_pcm_sframes_t (*_snd_pcm_readi)(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
int (*_snd_pcm_recover)(snd_pcm_t* pcm, int err, int silent);
const char* (*_snd_strerror)(int errnum);
void* lib;
snd_pcm_t* handle;
Thread* thread;
bool isRecording;
};
}
}
#endif //LIBTGVOIP_AUDIOINPUTALSA_H

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include <assert.h>
#include <dlfcn.h>
#include <unistd.h>
#include "AudioInputPulse.h"
#include "../../logging.h"
#include "../../VoIPController.h"
#include "AudioPulse.h"
#include "PulseFunctions.h"
#if !defined(__GLIBC__)
#include <libgen.h>
#endif
#define BUFFER_SIZE 960
#define CHECK_ERROR(res, msg) if(res!=0){LOGE(msg " failed: %s", pa_strerror(res)); failed=true; return;}
using namespace tgvoip::audio;
AudioInputPulse::AudioInputPulse(pa_context* context, pa_threaded_mainloop* mainloop, std::string devID){
isRecording=false;
isConnected=false;
didStart=false;
this->mainloop=mainloop;
this->context=context;
stream=NULL;
remainingDataSize=0;
pa_threaded_mainloop_lock(mainloop);
stream=CreateAndInitStream();
pa_threaded_mainloop_unlock(mainloop);
isLocked=false;
if(!stream){
return;
}
SetCurrentDevice(devID);
}
AudioInputPulse::~AudioInputPulse(){
if(stream){
pa_stream_disconnect(stream);
pa_stream_unref(stream);
}
}
pa_stream* AudioInputPulse::CreateAndInitStream(){
pa_sample_spec sampleSpec{
.format=PA_SAMPLE_S16LE,
.rate=48000,
.channels=1
};
pa_proplist* proplist=pa_proplist_new();
pa_proplist_sets(proplist, PA_PROP_FILTER_APPLY, ""); // according to PA sources, this disables any possible filters
pa_stream* stream=pa_stream_new_with_proplist(context, "libtgvoip capture", &sampleSpec, NULL, proplist);
pa_proplist_free(proplist);
if(!stream){
LOGE("Error initializing PulseAudio (pa_stream_new)");
failed=true;
return NULL;
}
pa_stream_set_state_callback(stream, AudioInputPulse::StreamStateCallback, this);
pa_stream_set_read_callback(stream, AudioInputPulse::StreamReadCallback, this);
return stream;
}
void AudioInputPulse::Start(){
if(failed || isRecording)
return;
pa_threaded_mainloop_lock(mainloop);
isRecording=true;
pa_operation_unref(pa_stream_cork(stream, 0, NULL, NULL));
pa_threaded_mainloop_unlock(mainloop);
}
void AudioInputPulse::Stop(){
if(!isRecording)
return;
isRecording=false;
pa_threaded_mainloop_lock(mainloop);
pa_operation_unref(pa_stream_cork(stream, 1, NULL, NULL));
pa_threaded_mainloop_unlock(mainloop);
}
bool AudioInputPulse::IsRecording(){
return isRecording;
}
void AudioInputPulse::SetCurrentDevice(std::string devID){
pa_threaded_mainloop_lock(mainloop);
currentDevice=devID;
if(isRecording && isConnected){
pa_stream_disconnect(stream);
pa_stream_unref(stream);
isConnected=false;
stream=CreateAndInitStream();
}
pa_buffer_attr bufferAttr={
.maxlength=(uint32_t)-1,
.tlength=(uint32_t)-1,
.prebuf=(uint32_t)-1,
.minreq=(uint32_t)-1,
.fragsize=960*2
};
int streamFlags=PA_STREAM_START_CORKED | PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_ADJUST_LATENCY;
int err=pa_stream_connect_record(stream, devID=="default" ? NULL : devID.c_str(), &bufferAttr, (pa_stream_flags_t)streamFlags);
if(err!=0){
pa_threaded_mainloop_unlock(mainloop);
/*if(devID!="default"){
SetCurrentDevice("default");
return;
}*/
}
CHECK_ERROR(err, "pa_stream_connect_record");
while(true){
pa_stream_state_t streamState=pa_stream_get_state(stream);
if(!PA_STREAM_IS_GOOD(streamState)){
LOGE("Error connecting to audio device '%s'", devID.c_str());
pa_threaded_mainloop_unlock(mainloop);
failed=true;
return;
}
if(streamState==PA_STREAM_READY)
break;
pa_threaded_mainloop_wait(mainloop);
}
isConnected=true;
if(isRecording){
pa_operation_unref(pa_stream_cork(stream, 0, NULL, NULL));
}
pa_threaded_mainloop_unlock(mainloop);
}
bool AudioInputPulse::EnumerateDevices(std::vector<AudioInputDevice>& devs){
return AudioPulse::DoOneOperation([&](pa_context* ctx){
return pa_context_get_source_info_list(ctx, [](pa_context* ctx, const pa_source_info* info, int eol, void* userdata){
if(eol>0)
return;
std::vector<AudioInputDevice>* devs=(std::vector<AudioInputDevice>*)userdata;
AudioInputDevice dev;
dev.id=std::string(info->name);
dev.displayName=std::string(info->description);
devs->push_back(dev);
}, &devs);
});
}
void AudioInputPulse::StreamStateCallback(pa_stream *s, void* arg) {
AudioInputPulse* self=(AudioInputPulse*) arg;
pa_threaded_mainloop_signal(self->mainloop, 0);
}
void AudioInputPulse::StreamReadCallback(pa_stream *stream, size_t requestedBytes, void *userdata){
((AudioInputPulse*)userdata)->StreamReadCallback(stream, requestedBytes);
}
void AudioInputPulse::StreamReadCallback(pa_stream *stream, size_t requestedBytes) {
size_t bytesRemaining = requestedBytes;
uint8_t *buffer = NULL;
pa_usec_t latency;
if(pa_stream_get_latency(stream, &latency, NULL)==0){
estimatedDelay=(int32_t)(latency/100);
}
while (bytesRemaining > 0) {
size_t bytesToFill = 102400;
if (bytesToFill > bytesRemaining) bytesToFill = bytesRemaining;
int err=pa_stream_peek(stream, (const void**) &buffer, &bytesToFill);
CHECK_ERROR(err, "pa_stream_peek");
if(isRecording){
if(remainingDataSize+bytesToFill>sizeof(remainingData)){
LOGE("Capture buffer is too big (%d)", (int)bytesToFill);
}
memcpy(remainingData+remainingDataSize, buffer, bytesToFill);
remainingDataSize+=bytesToFill;
while(remainingDataSize>=960*2){
InvokeCallback(remainingData, 960*2);
memmove(remainingData, remainingData+960*2, remainingDataSize-960*2);
remainingDataSize-=960*2;
}
}
err=pa_stream_drop(stream);
CHECK_ERROR(err, "pa_stream_drop");
bytesRemaining -= bytesToFill;
}
}

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOINPUTPULSE_H
#define LIBTGVOIP_AUDIOINPUTPULSE_H
#include "../../audio/AudioInput.h"
#include "../../threading.h"
#include <pulse/pulseaudio.h>
#define DECLARE_DL_FUNCTION(name) typeof(name)* _import_##name
namespace tgvoip{
namespace audio{
class AudioInputPulse : public AudioInput{
public:
AudioInputPulse(pa_context* context, pa_threaded_mainloop* mainloop, std::string devID);
virtual ~AudioInputPulse();
virtual void Start();
virtual void Stop();
virtual bool IsRecording();
virtual void SetCurrentDevice(std::string devID);
static bool EnumerateDevices(std::vector<AudioInputDevice>& devs);
private:
static void StreamStateCallback(pa_stream* s, void* arg);
static void StreamReadCallback(pa_stream* stream, size_t requested_bytes, void* userdata);
void StreamReadCallback(pa_stream* stream, size_t requestedBytes);
pa_stream* CreateAndInitStream();
pa_threaded_mainloop* mainloop;
pa_context* context;
pa_stream* stream;
bool isRecording;
bool isConnected;
bool didStart;
bool isLocked;
unsigned char remainingData[960*8*2];
size_t remainingDataSize;
};
}
}
#undef DECLARE_DL_FUNCTION
#endif //LIBTGVOIP_AUDIOINPUTPULSE_H

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include <assert.h>
#include <dlfcn.h>
#include "AudioOutputALSA.h"
#include "../../logging.h"
#include "../../VoIPController.h"
#define BUFFER_SIZE 960
#define CHECK_ERROR(res, msg) if(res<0){LOGE(msg ": %s", _snd_strerror(res)); failed=true; return;}
#define CHECK_DL_ERROR(res, msg) if(!res){LOGE(msg ": %s", dlerror()); failed=true; return;}
#define LOAD_FUNCTION(lib, name, ref) {ref=(typeof(ref))dlsym(lib, name); CHECK_DL_ERROR(ref, "Error getting entry point for " name);}
using namespace tgvoip::audio;
AudioOutputALSA::AudioOutputALSA(std::string devID){
isPlaying=false;
handle=NULL;
lib=dlopen("libasound.so.2", RTLD_LAZY);
if(!lib)
lib=dlopen("libasound.so", RTLD_LAZY);
if(!lib){
LOGE("Error loading libasound: %s", dlerror());
failed=true;
return;
}
LOAD_FUNCTION(lib, "snd_pcm_open", _snd_pcm_open);
LOAD_FUNCTION(lib, "snd_pcm_set_params", _snd_pcm_set_params);
LOAD_FUNCTION(lib, "snd_pcm_close", _snd_pcm_close);
LOAD_FUNCTION(lib, "snd_pcm_writei", _snd_pcm_writei);
LOAD_FUNCTION(lib, "snd_pcm_recover", _snd_pcm_recover);
LOAD_FUNCTION(lib, "snd_strerror", _snd_strerror);
SetCurrentDevice(devID);
}
AudioOutputALSA::~AudioOutputALSA(){
if(handle)
_snd_pcm_close(handle);
if(lib)
dlclose(lib);
}
void AudioOutputALSA::Start(){
if(failed || isPlaying)
return;
isPlaying=true;
thread=new Thread(std::bind(&AudioOutputALSA::RunThread, this));
thread->SetName("AudioOutputALSA");
thread->Start();
}
void AudioOutputALSA::Stop(){
if(!isPlaying)
return;
isPlaying=false;
thread->Join();
delete thread;
thread=NULL;
}
bool AudioOutputALSA::IsPlaying(){
return isPlaying;
}
void AudioOutputALSA::RunThread(){
unsigned char buffer[BUFFER_SIZE*2];
snd_pcm_sframes_t frames;
while(isPlaying){
InvokeCallback(buffer, sizeof(buffer));
frames=_snd_pcm_writei(handle, buffer, BUFFER_SIZE);
if (frames < 0){
frames = _snd_pcm_recover(handle, frames, 0);
}
if (frames < 0) {
LOGE("snd_pcm_writei failed: %s\n", _snd_strerror(frames));
break;
}
}
}
void AudioOutputALSA::SetCurrentDevice(std::string devID){
bool wasPlaying=isPlaying;
isPlaying=false;
if(handle){
thread->Join();
_snd_pcm_close(handle);
}
currentDevice=devID;
int res=_snd_pcm_open(&handle, devID.c_str(), SND_PCM_STREAM_PLAYBACK, 0);
if(res<0)
res=_snd_pcm_open(&handle, "default", SND_PCM_STREAM_PLAYBACK, 0);
CHECK_ERROR(res, "snd_pcm_open failed");
res=_snd_pcm_set_params(handle, SND_PCM_FORMAT_S16, SND_PCM_ACCESS_RW_INTERLEAVED, 1, 48000, 1, 100000);
CHECK_ERROR(res, "snd_pcm_set_params failed");
if(wasPlaying){
isPlaying=true;
thread->Start();
}
}
void AudioOutputALSA::EnumerateDevices(std::vector<AudioOutputDevice>& devs){
int (*_snd_device_name_hint)(int card, const char* iface, void*** hints);
char* (*_snd_device_name_get_hint)(const void* hint, const char* id);
int (*_snd_device_name_free_hint)(void** hinst);
void* lib=dlopen("libasound.so.2", RTLD_LAZY);
if(!lib)
dlopen("libasound.so", RTLD_LAZY);
if(!lib)
return;
_snd_device_name_hint=(typeof(_snd_device_name_hint))dlsym(lib, "snd_device_name_hint");
_snd_device_name_get_hint=(typeof(_snd_device_name_get_hint))dlsym(lib, "snd_device_name_get_hint");
_snd_device_name_free_hint=(typeof(_snd_device_name_free_hint))dlsym(lib, "snd_device_name_free_hint");
if(!_snd_device_name_hint || !_snd_device_name_get_hint || !_snd_device_name_free_hint){
dlclose(lib);
return;
}
char** hints;
int err=_snd_device_name_hint(-1, "pcm", (void***)&hints);
if(err!=0){
dlclose(lib);
return;
}
char** n=hints;
while(*n){
char* name=_snd_device_name_get_hint(*n, "NAME");
if(strncmp(name, "surround", 8)==0 || strcmp(name, "null")==0){
free(name);
n++;
continue;
}
char* desc=_snd_device_name_get_hint(*n, "DESC");
char* ioid=_snd_device_name_get_hint(*n, "IOID");
if(!ioid || strcmp(ioid, "Output")==0){
char* l1=strtok(desc, "\n");
char* l2=strtok(NULL, "\n");
char* tmp=strtok(l1, ",");
char* actualName=tmp;
while((tmp=strtok(NULL, ","))){
actualName=tmp;
}
if(actualName[0]==' ')
actualName++;
AudioOutputDevice dev;
dev.id=std::string(name);
if(l2){
char buf[256];
snprintf(buf, sizeof(buf), "%s (%s)", actualName, l2);
dev.displayName=std::string(buf);
}else{
dev.displayName=std::string(actualName);
}
devs.push_back(dev);
}
free(name);
free(desc);
free(ioid);
n++;
}
dlclose(lib);
}

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOOUTPUTALSA_H
#define LIBTGVOIP_AUDIOOUTPUTALSA_H
#include "../../audio/AudioOutput.h"
#include "../../threading.h"
#include <alsa/asoundlib.h>
namespace tgvoip{
namespace audio{
class AudioOutputALSA : public AudioOutput{
public:
AudioOutputALSA(std::string devID);
virtual ~AudioOutputALSA();
virtual void Start();
virtual void Stop();
virtual bool IsPlaying();
virtual void SetCurrentDevice(std::string devID);
static void EnumerateDevices(std::vector<AudioOutputDevice>& devs);
private:
void RunThread();
int (*_snd_pcm_open)(snd_pcm_t** pcm, const char* name, snd_pcm_stream_t stream, int mode);
int (*_snd_pcm_set_params)(snd_pcm_t* pcm, snd_pcm_format_t format, snd_pcm_access_t access, unsigned int channels, unsigned int rate, int soft_resample, unsigned int latency);
int (*_snd_pcm_close)(snd_pcm_t* pcm);
snd_pcm_sframes_t (*_snd_pcm_writei)(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
int (*_snd_pcm_recover)(snd_pcm_t* pcm, int err, int silent);
const char* (*_snd_strerror)(int errnum);
void* lib;
snd_pcm_t* handle;
Thread* thread;
bool isPlaying;
};
}
}
#endif //LIBTGVOIP_AUDIOOUTPUTALSA_H

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include <assert.h>
#include <dlfcn.h>
#include <unistd.h>
#include "AudioOutputPulse.h"
#include "../../logging.h"
#include "../../VoIPController.h"
#include "AudioPulse.h"
#include "PulseFunctions.h"
#if !defined(__GLIBC__)
#include <libgen.h>
#endif
#define BUFFER_SIZE 960
#define CHECK_ERROR(res, msg) if(res!=0){LOGE(msg " failed: %s", pa_strerror(res)); failed=true; return;}
using namespace tgvoip;
using namespace tgvoip::audio;
AudioOutputPulse::AudioOutputPulse(pa_context* context, pa_threaded_mainloop* mainloop, std::string devID){
isPlaying=false;
isConnected=false;
didStart=false;
isLocked=false;
this->mainloop=mainloop;
this->context=context;
stream=NULL;
remainingDataSize=0;
pa_threaded_mainloop_lock(mainloop);
stream=CreateAndInitStream();
pa_threaded_mainloop_unlock(mainloop);
SetCurrentDevice(devID);
}
AudioOutputPulse::~AudioOutputPulse(){
if(stream){
pa_stream_disconnect(stream);
pa_stream_unref(stream);
}
}
pa_stream* AudioOutputPulse::CreateAndInitStream(){
pa_sample_spec sampleSpec{
.format=PA_SAMPLE_S16LE,
.rate=48000,
.channels=1
};
pa_proplist* proplist=pa_proplist_new();
pa_proplist_sets(proplist, PA_PROP_FILTER_APPLY, ""); // according to PA sources, this disables any possible filters
pa_stream* stream=pa_stream_new_with_proplist(context, "libtgvoip playback", &sampleSpec, NULL, proplist);
pa_proplist_free(proplist);
if(!stream){
LOGE("Error initializing PulseAudio (pa_stream_new)");
failed=true;
return NULL;
}
pa_stream_set_state_callback(stream, AudioOutputPulse::StreamStateCallback, this);
pa_stream_set_write_callback(stream, AudioOutputPulse::StreamWriteCallback, this);
return stream;
}
void AudioOutputPulse::Start(){
if(failed || isPlaying)
return;
isPlaying=true;
pa_threaded_mainloop_lock(mainloop);
pa_operation_unref(pa_stream_cork(stream, 0, NULL, NULL));
pa_threaded_mainloop_unlock(mainloop);
}
void AudioOutputPulse::Stop(){
if(!isPlaying)
return;
isPlaying=false;
pa_threaded_mainloop_lock(mainloop);
pa_operation_unref(pa_stream_cork(stream, 1, NULL, NULL));
pa_threaded_mainloop_unlock(mainloop);
}
bool AudioOutputPulse::IsPlaying(){
return isPlaying;
}
void AudioOutputPulse::SetCurrentDevice(std::string devID){
pa_threaded_mainloop_lock(mainloop);
currentDevice=devID;
if(isPlaying && isConnected){
pa_stream_disconnect(stream);
pa_stream_unref(stream);
isConnected=false;
stream=CreateAndInitStream();
}
pa_buffer_attr bufferAttr={
.maxlength=(uint32_t)-1,
.tlength=960*2,
.prebuf=(uint32_t)-1,
.minreq=(uint32_t)-1,
.fragsize=(uint32_t)-1
};
int streamFlags=PA_STREAM_START_CORKED | PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_ADJUST_LATENCY;
int err=pa_stream_connect_playback(stream, devID=="default" ? NULL : devID.c_str(), &bufferAttr, (pa_stream_flags_t)streamFlags, NULL, NULL);
if(err!=0 && devID!="default"){
SetCurrentDevice("default");
return;
}
CHECK_ERROR(err, "pa_stream_connect_playback");
while(true){
pa_stream_state_t streamState=pa_stream_get_state(stream);
if(!PA_STREAM_IS_GOOD(streamState)){
LOGE("Error connecting to audio device '%s'", devID.c_str());
failed=true;
return;
}
if(streamState==PA_STREAM_READY)
break;
pa_threaded_mainloop_wait(mainloop);
}
isConnected=true;
if(isPlaying){
pa_operation_unref(pa_stream_cork(stream, 0, NULL, NULL));
}
pa_threaded_mainloop_unlock(mainloop);
}
bool AudioOutputPulse::EnumerateDevices(std::vector<AudioOutputDevice>& devs){
return AudioPulse::DoOneOperation([&](pa_context* ctx){
return pa_context_get_sink_info_list(ctx, [](pa_context* ctx, const pa_sink_info* info, int eol, void* userdata){
if(eol>0)
return;
std::vector<AudioOutputDevice>* devs=(std::vector<AudioOutputDevice>*)userdata;
AudioOutputDevice dev;
dev.id=std::string(info->name);
dev.displayName=std::string(info->description);
devs->push_back(dev);
}, &devs);
});
}
void AudioOutputPulse::StreamStateCallback(pa_stream *s, void* arg) {
AudioOutputPulse* self=(AudioOutputPulse*) arg;
pa_threaded_mainloop_signal(self->mainloop, 0);
}
void AudioOutputPulse::StreamWriteCallback(pa_stream *stream, size_t requestedBytes, void *userdata){
((AudioOutputPulse*)userdata)->StreamWriteCallback(stream, requestedBytes);
}
void AudioOutputPulse::StreamWriteCallback(pa_stream *stream, size_t requestedBytes) {
//assert(requestedBytes<=sizeof(remainingData));
if(requestedBytes>sizeof(remainingData)){
requestedBytes=960*2; // force buffer size to 20ms. This probably wrecks the jitter buffer, but still better than crashing
}
pa_usec_t latency;
if(pa_stream_get_latency(stream, &latency, NULL)==0){
estimatedDelay=(int32_t)(latency/100);
}
while(requestedBytes>remainingDataSize){
if(isPlaying){
InvokeCallback(remainingData+remainingDataSize, 960*2);
remainingDataSize+=960*2;
}else{
memset(remainingData+remainingDataSize, 0, requestedBytes-remainingDataSize);
remainingDataSize=requestedBytes;
}
}
int err=pa_stream_write(stream, remainingData, requestedBytes, NULL, 0, PA_SEEK_RELATIVE);
CHECK_ERROR(err, "pa_stream_write");
remainingDataSize-=requestedBytes;
if(remainingDataSize>0)
memmove(remainingData, remainingData+requestedBytes, remainingDataSize);
}

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOOUTPUTPULSE_H
#define LIBTGVOIP_AUDIOOUTPUTPULSE_H
#include "../../audio/AudioOutput.h"
#include "../../threading.h"
#include <pulse/pulseaudio.h>
namespace tgvoip{
namespace audio{
class AudioOutputPulse : public AudioOutput{
public:
AudioOutputPulse(pa_context* context, pa_threaded_mainloop* mainloop, std::string devID);
virtual ~AudioOutputPulse();
virtual void Start();
virtual void Stop();
virtual bool IsPlaying();
virtual void SetCurrentDevice(std::string devID);
static bool EnumerateDevices(std::vector<AudioOutputDevice>& devs);
private:
static void StreamStateCallback(pa_stream* s, void* arg);
static void StreamWriteCallback(pa_stream* stream, size_t requested_bytes, void* userdata);
void StreamWriteCallback(pa_stream* stream, size_t requestedBytes);
pa_stream* CreateAndInitStream();
pa_threaded_mainloop* mainloop;
pa_context* context;
pa_stream* stream;
bool isPlaying;
bool isConnected;
bool didStart;
bool isLocked;
unsigned char remainingData[960*8*2];
size_t remainingDataSize;
};
}
}
#endif //LIBTGVOIP_AUDIOOUTPUTPULSE_H

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include "AudioPulse.h"
#include <dlfcn.h>
#include "../../logging.h"
#define DECLARE_DL_FUNCTION(name) typeof(name)* AudioPulse::_import_##name=NULL
#define CHECK_DL_ERROR(res, msg) if(!res){LOGE(msg ": %s", dlerror()); return false;}
#define LOAD_DL_FUNCTION(name) {_import_##name=(typeof(_import_##name))dlsym(lib, #name); CHECK_DL_ERROR(_import_##name, "Error getting entry point for " #name);}
#define CHECK_ERROR(res, msg) if(res!=0){LOGE(msg " failed: %s", pa_strerror(res)); failed=true; return;}
using namespace tgvoip;
using namespace tgvoip::audio;
bool AudioPulse::loaded=false;
void* AudioPulse::lib=NULL;
DECLARE_DL_FUNCTION(pa_threaded_mainloop_new);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_get_api);
DECLARE_DL_FUNCTION(pa_context_new);
DECLARE_DL_FUNCTION(pa_context_new_with_proplist);
DECLARE_DL_FUNCTION(pa_context_set_state_callback);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_lock);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_unlock);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_start);
DECLARE_DL_FUNCTION(pa_context_connect);
DECLARE_DL_FUNCTION(pa_context_get_state);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_wait);
DECLARE_DL_FUNCTION(pa_stream_new_with_proplist);
DECLARE_DL_FUNCTION(pa_stream_set_state_callback);
DECLARE_DL_FUNCTION(pa_stream_set_write_callback);
DECLARE_DL_FUNCTION(pa_stream_connect_playback);
DECLARE_DL_FUNCTION(pa_operation_unref);
DECLARE_DL_FUNCTION(pa_stream_cork);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_stop);
DECLARE_DL_FUNCTION(pa_stream_disconnect);
DECLARE_DL_FUNCTION(pa_stream_unref);
DECLARE_DL_FUNCTION(pa_context_disconnect);
DECLARE_DL_FUNCTION(pa_context_unref);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_free);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_signal);
DECLARE_DL_FUNCTION(pa_stream_begin_write);
DECLARE_DL_FUNCTION(pa_stream_write);
DECLARE_DL_FUNCTION(pa_stream_get_state);
DECLARE_DL_FUNCTION(pa_strerror);
DECLARE_DL_FUNCTION(pa_stream_set_read_callback);
DECLARE_DL_FUNCTION(pa_stream_connect_record);
DECLARE_DL_FUNCTION(pa_stream_peek);
DECLARE_DL_FUNCTION(pa_stream_drop);
DECLARE_DL_FUNCTION(pa_mainloop_new);
DECLARE_DL_FUNCTION(pa_mainloop_get_api);
DECLARE_DL_FUNCTION(pa_mainloop_iterate);
DECLARE_DL_FUNCTION(pa_mainloop_free);
DECLARE_DL_FUNCTION(pa_context_get_sink_info_list);
DECLARE_DL_FUNCTION(pa_context_get_source_info_list);
DECLARE_DL_FUNCTION(pa_operation_get_state);
DECLARE_DL_FUNCTION(pa_proplist_new);
DECLARE_DL_FUNCTION(pa_proplist_sets);
DECLARE_DL_FUNCTION(pa_proplist_free);
DECLARE_DL_FUNCTION(pa_stream_get_latency);
#include "PulseFunctions.h"
bool AudioPulse::Load(){
if(loaded)
return true;
lib=dlopen("libpulse.so.0", RTLD_LAZY);
if(!lib)
lib=dlopen("libpulse.so", RTLD_LAZY);
if(!lib){
LOGE("Error loading libpulse: %s", dlerror());
return false;
}
LOAD_DL_FUNCTION(pa_threaded_mainloop_new);
LOAD_DL_FUNCTION(pa_threaded_mainloop_get_api);
LOAD_DL_FUNCTION(pa_context_new);
LOAD_DL_FUNCTION(pa_context_new_with_proplist);
LOAD_DL_FUNCTION(pa_context_set_state_callback);
LOAD_DL_FUNCTION(pa_threaded_mainloop_lock);
LOAD_DL_FUNCTION(pa_threaded_mainloop_unlock);
LOAD_DL_FUNCTION(pa_threaded_mainloop_start);
LOAD_DL_FUNCTION(pa_context_connect);
LOAD_DL_FUNCTION(pa_context_get_state);
LOAD_DL_FUNCTION(pa_threaded_mainloop_wait);
LOAD_DL_FUNCTION(pa_stream_new_with_proplist);
LOAD_DL_FUNCTION(pa_stream_set_state_callback);
LOAD_DL_FUNCTION(pa_stream_set_write_callback);
LOAD_DL_FUNCTION(pa_stream_connect_playback);
LOAD_DL_FUNCTION(pa_operation_unref);
LOAD_DL_FUNCTION(pa_stream_cork);
LOAD_DL_FUNCTION(pa_threaded_mainloop_stop);
LOAD_DL_FUNCTION(pa_stream_disconnect);
LOAD_DL_FUNCTION(pa_stream_unref);
LOAD_DL_FUNCTION(pa_context_disconnect);
LOAD_DL_FUNCTION(pa_context_unref);
LOAD_DL_FUNCTION(pa_threaded_mainloop_free);
LOAD_DL_FUNCTION(pa_threaded_mainloop_signal);
LOAD_DL_FUNCTION(pa_stream_begin_write);
LOAD_DL_FUNCTION(pa_stream_write);
LOAD_DL_FUNCTION(pa_stream_get_state);
LOAD_DL_FUNCTION(pa_strerror);
LOAD_DL_FUNCTION(pa_stream_set_read_callback);
LOAD_DL_FUNCTION(pa_stream_connect_record);
LOAD_DL_FUNCTION(pa_stream_peek);
LOAD_DL_FUNCTION(pa_stream_drop);
LOAD_DL_FUNCTION(pa_mainloop_new);
LOAD_DL_FUNCTION(pa_mainloop_get_api);
LOAD_DL_FUNCTION(pa_mainloop_iterate);
LOAD_DL_FUNCTION(pa_mainloop_free);
LOAD_DL_FUNCTION(pa_context_get_sink_info_list);
LOAD_DL_FUNCTION(pa_context_get_source_info_list);
LOAD_DL_FUNCTION(pa_operation_get_state);
LOAD_DL_FUNCTION(pa_proplist_new);
LOAD_DL_FUNCTION(pa_proplist_sets);
LOAD_DL_FUNCTION(pa_proplist_free);
LOAD_DL_FUNCTION(pa_stream_get_latency);
loaded=true;
return true;
}
AudioPulse::AudioPulse(std::string inputDevice, std::string outputDevice){
if(!Load()){
failed=true;
LOGE("Failed to load libpulse");
return;
}
mainloop=pa_threaded_mainloop_new();
if(!mainloop){
LOGE("Error initializing PulseAudio (pa_threaded_mainloop_new)");
failed=true;
return;
}
mainloopApi=pa_threaded_mainloop_get_api(mainloop);
#ifndef MAXPATHLEN
char exeName[20];
#else
char exePath[MAXPATHLEN];
char exeName[MAXPATHLEN];
ssize_t lres=readlink("/proc/self/exe", exePath, sizeof(exePath));
if(lres==-1)
lres=readlink("/proc/curproc/file", exePath, sizeof(exePath));
if(lres==-1)
lres=readlink("/proc/curproc/exe", exePath, sizeof(exePath));
if(lres>0){
strcpy(exeName, basename(exePath));
}else
#endif
{
snprintf(exeName, sizeof(exeName), "Process %d", getpid());
}
pa_proplist* proplist=pa_proplist_new();
pa_proplist_sets(proplist, PA_PROP_MEDIA_ROLE, "phone");
context=pa_context_new_with_proplist(mainloopApi, exeName, proplist);
pa_proplist_free(proplist);
if(!context){
LOGE("Error initializing PulseAudio (pa_context_new)");
failed=true;
return;
}
pa_context_set_state_callback(context, [](pa_context* context, void* arg){
AudioPulse* self=reinterpret_cast<AudioPulse*>(arg);
pa_threaded_mainloop_signal(self->mainloop, 0);
}, this);
pa_threaded_mainloop_lock(mainloop);
isLocked=true;
int err=pa_threaded_mainloop_start(mainloop);
CHECK_ERROR(err, "pa_threaded_mainloop_start");
didStart=true;
err=pa_context_connect(context, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
CHECK_ERROR(err, "pa_context_connect");
while(true){
pa_context_state_t contextState=pa_context_get_state(context);
if(!PA_CONTEXT_IS_GOOD(contextState)){
LOGE("Error initializing PulseAudio (PA_CONTEXT_IS_GOOD)");
failed=true;
return;
}
if(contextState==PA_CONTEXT_READY)
break;
pa_threaded_mainloop_wait(mainloop);
}
pa_threaded_mainloop_unlock(mainloop);
isLocked=false;
output=new AudioOutputPulse(context, mainloop, outputDevice);
input=new AudioInputPulse(context, mainloop, inputDevice);
}
AudioPulse::~AudioPulse(){
if(mainloop && didStart){
if(isLocked)
pa_threaded_mainloop_unlock(mainloop);
pa_threaded_mainloop_stop(mainloop);
}
if(input)
delete input;
if(output)
delete output;
if(context){
pa_context_disconnect(context);
pa_context_unref(context);
}
if(mainloop)
pa_threaded_mainloop_free(mainloop);
}
AudioOutput* AudioPulse::GetOutput(){
return output;
}
AudioInput* AudioPulse::GetInput(){
return input;
}
bool AudioPulse::DoOneOperation(std::function<pa_operation*(pa_context*)> f){
if(!Load())
return false;
pa_mainloop* ml;
pa_mainloop_api* mlAPI;
pa_context* ctx;
pa_operation* op=NULL;
int paReady=0;
ml=pa_mainloop_new();
mlAPI=pa_mainloop_get_api(ml);
ctx=pa_context_new(mlAPI, "libtgvoip");
pa_context_connect(ctx, NULL, PA_CONTEXT_NOFLAGS, NULL);
pa_context_set_state_callback(ctx, [](pa_context* context, void* arg){
pa_context_state_t state;
int* pa_ready=(int*)arg;
state=pa_context_get_state(context);
switch(state){
case PA_CONTEXT_UNCONNECTED:
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
default:
break;
case PA_CONTEXT_FAILED:
case PA_CONTEXT_TERMINATED:
*pa_ready=2;
break;
case PA_CONTEXT_READY:
*pa_ready=1;
break;
}
}, &paReady);
while(true){
if(paReady==0){
pa_mainloop_iterate(ml, 1, NULL);
continue;
}
if(paReady==2){
pa_context_disconnect(ctx);
pa_context_unref(ctx);
pa_mainloop_free(ml);
return false;
}
if(!op){
op=f(ctx);
continue;
}
if(pa_operation_get_state(op)==PA_OPERATION_DONE){
pa_operation_unref(op);
pa_context_disconnect(ctx);
pa_context_unref(ctx);
pa_mainloop_free(ml);
return true;
}
pa_mainloop_iterate(ml, 1, NULL);
}
}

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//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_PULSEAUDIOLOADER_H
#define LIBTGVOIP_PULSEAUDIOLOADER_H
#include <string>
#include <functional>
#include <pulse/pulseaudio.h>
#include "../../audio/AudioIO.h"
#include "AudioInputPulse.h"
#include "AudioOutputPulse.h"
#define DECLARE_DL_FUNCTION(name) static typeof(name)* _import_##name
namespace tgvoip{
namespace audio{
class AudioPulse : public AudioIO{
public:
AudioPulse(std::string inputDevice, std::string outputDevice);
virtual ~AudioPulse();
virtual AudioInput* GetInput();
virtual AudioOutput* GetOutput();
static bool Load();
static bool DoOneOperation(std::function<pa_operation*(pa_context*)> f);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_new);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_get_api);
DECLARE_DL_FUNCTION(pa_context_new);
DECLARE_DL_FUNCTION(pa_context_new_with_proplist);
DECLARE_DL_FUNCTION(pa_context_set_state_callback);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_lock);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_unlock);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_start);
DECLARE_DL_FUNCTION(pa_context_connect);
DECLARE_DL_FUNCTION(pa_context_get_state);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_wait);
DECLARE_DL_FUNCTION(pa_stream_new_with_proplist);
DECLARE_DL_FUNCTION(pa_stream_set_state_callback);
DECLARE_DL_FUNCTION(pa_stream_set_write_callback);
DECLARE_DL_FUNCTION(pa_stream_connect_playback);
DECLARE_DL_FUNCTION(pa_operation_unref);
DECLARE_DL_FUNCTION(pa_stream_cork);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_stop);
DECLARE_DL_FUNCTION(pa_stream_disconnect);
DECLARE_DL_FUNCTION(pa_stream_unref);
DECLARE_DL_FUNCTION(pa_context_disconnect);
DECLARE_DL_FUNCTION(pa_context_unref);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_free);
DECLARE_DL_FUNCTION(pa_threaded_mainloop_signal);
DECLARE_DL_FUNCTION(pa_stream_begin_write);
DECLARE_DL_FUNCTION(pa_stream_write);
DECLARE_DL_FUNCTION(pa_stream_get_state);
DECLARE_DL_FUNCTION(pa_strerror);
DECLARE_DL_FUNCTION(pa_stream_set_read_callback);
DECLARE_DL_FUNCTION(pa_stream_connect_record);
DECLARE_DL_FUNCTION(pa_stream_peek);
DECLARE_DL_FUNCTION(pa_stream_drop);
DECLARE_DL_FUNCTION(pa_mainloop_new);
DECLARE_DL_FUNCTION(pa_mainloop_get_api);
DECLARE_DL_FUNCTION(pa_mainloop_iterate);
DECLARE_DL_FUNCTION(pa_mainloop_free);
DECLARE_DL_FUNCTION(pa_context_get_sink_info_list);
DECLARE_DL_FUNCTION(pa_context_get_source_info_list);
DECLARE_DL_FUNCTION(pa_operation_get_state);
DECLARE_DL_FUNCTION(pa_proplist_new);
DECLARE_DL_FUNCTION(pa_proplist_sets);
DECLARE_DL_FUNCTION(pa_proplist_free);
DECLARE_DL_FUNCTION(pa_stream_get_latency);
private:
static void* lib;
static bool loaded;
AudioInputPulse* input=NULL;
AudioOutputPulse* output=NULL;
pa_threaded_mainloop* mainloop;
pa_mainloop_api* mainloopApi;
pa_context* context;
bool isLocked=false;
bool didStart=false;
};
}
}
#undef DECLARE_DL_FUNCTION
#endif // LIBTGVOIP_PULSEAUDIOLOADER_H

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#ifndef LIBTGVOIP_PULSE_FUNCTIONS_H
#define LIBTGVOIP_PULSE_FUNCTIONS_H
#define pa_threaded_mainloop_new AudioPulse::_import_pa_threaded_mainloop_new
#define pa_threaded_mainloop_get_api AudioPulse::_import_pa_threaded_mainloop_get_api
#define pa_context_new AudioPulse::_import_pa_context_new
#define pa_context_new_with_proplist AudioPulse::_import_pa_context_new_with_proplist
#define pa_context_set_state_callback AudioPulse::_import_pa_context_set_state_callback
#define pa_threaded_mainloop_lock AudioPulse::_import_pa_threaded_mainloop_lock
#define pa_threaded_mainloop_unlock AudioPulse::_import_pa_threaded_mainloop_unlock
#define pa_threaded_mainloop_start AudioPulse::_import_pa_threaded_mainloop_start
#define pa_context_connect AudioPulse::_import_pa_context_connect
#define pa_context_get_state AudioPulse::_import_pa_context_get_state
#define pa_threaded_mainloop_wait AudioPulse::_import_pa_threaded_mainloop_wait
#define pa_stream_new_with_proplist AudioPulse::_import_pa_stream_new_with_proplist
#define pa_stream_set_state_callback AudioPulse::_import_pa_stream_set_state_callback
#define pa_stream_set_write_callback AudioPulse::_import_pa_stream_set_write_callback
#define pa_stream_connect_playback AudioPulse::_import_pa_stream_connect_playback
#define pa_operation_unref AudioPulse::_import_pa_operation_unref
#define pa_stream_cork AudioPulse::_import_pa_stream_cork
#define pa_threaded_mainloop_stop AudioPulse::_import_pa_threaded_mainloop_stop
#define pa_stream_disconnect AudioPulse::_import_pa_stream_disconnect
#define pa_stream_unref AudioPulse::_import_pa_stream_unref
#define pa_context_disconnect AudioPulse::_import_pa_context_disconnect
#define pa_context_unref AudioPulse::_import_pa_context_unref
#define pa_threaded_mainloop_free AudioPulse::_import_pa_threaded_mainloop_free
#define pa_threaded_mainloop_signal AudioPulse::_import_pa_threaded_mainloop_signal
#define pa_stream_begin_write AudioPulse::_import_pa_stream_begin_write
#define pa_stream_write AudioPulse::_import_pa_stream_write
#define pa_strerror AudioPulse::_import_pa_strerror
#define pa_stream_get_state AudioPulse::_import_pa_stream_get_state
#define pa_stream_set_read_callback AudioPulse::_import_pa_stream_set_read_callback
#define pa_stream_connect_record AudioPulse::_import_pa_stream_connect_record
#define pa_stream_peek AudioPulse::_import_pa_stream_peek
#define pa_stream_drop AudioPulse::_import_pa_stream_drop
#define pa_mainloop_new AudioPulse::_import_pa_mainloop_new
#define pa_mainloop_get_api AudioPulse::_import_pa_mainloop_get_api
#define pa_mainloop_iterate AudioPulse::_import_pa_mainloop_iterate
#define pa_mainloop_free AudioPulse::_import_pa_mainloop_free
#define pa_context_get_sink_info_list AudioPulse::_import_pa_context_get_sink_info_list
#define pa_context_get_source_info_list AudioPulse::_import_pa_context_get_source_info_list
#define pa_operation_get_state AudioPulse::_import_pa_operation_get_state
#define pa_proplist_new AudioPulse::_import_pa_proplist_new
#define pa_proplist_sets AudioPulse::_import_pa_proplist_sets
#define pa_proplist_free AudioPulse::_import_pa_proplist_free
#define pa_stream_get_latency AudioPulse::_import_pa_stream_get_latency
#endif //LIBTGVOIP_PULSE_FUNCTIONS_H