Repo created

TMessagesProj/jni/voip/webrtc/api/video_codecs/video_codec.cc

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+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "api/video_codecs/video_codec.h"
+
+#include <string.h>
+
+#include <string>
+
+#include "absl/strings/match.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/strings/string_builder.h"
+
+namespace webrtc {
+namespace {
+constexpr char kPayloadNameVp8[] = "VP8";
+constexpr char kPayloadNameVp9[] = "VP9";
+constexpr char kPayloadNameAv1[] = "AV1";
+// TODO(bugs.webrtc.org/13166): Remove AV1X when backwards compatibility is not
+// needed.
+constexpr char kPayloadNameAv1x[] = "AV1X";
+constexpr char kPayloadNameH264[] = "H264";
+constexpr char kPayloadNameGeneric[] = "Generic";
+constexpr char kPayloadNameMultiplex[] = "Multiplex";
+constexpr char kPayloadNameH265[] = "H265";
+}  // namespace
+
+bool VideoCodecVP8::operator==(const VideoCodecVP8& other) const {
+  return (numberOfTemporalLayers == other.numberOfTemporalLayers &&
+          denoisingOn == other.denoisingOn &&
+          automaticResizeOn == other.automaticResizeOn &&
+          keyFrameInterval == other.keyFrameInterval);
+}
+
+bool VideoCodecVP9::operator==(const VideoCodecVP9& other) const {
+  return (numberOfTemporalLayers == other.numberOfTemporalLayers &&
+          denoisingOn == other.denoisingOn &&
+          keyFrameInterval == other.keyFrameInterval &&
+          adaptiveQpMode == other.adaptiveQpMode &&
+          automaticResizeOn == other.automaticResizeOn &&
+          numberOfSpatialLayers == other.numberOfSpatialLayers &&
+          flexibleMode == other.flexibleMode);
+}
+
+bool VideoCodecH264::operator==(const VideoCodecH264& other) const {
+  return (keyFrameInterval == other.keyFrameInterval &&
+          numberOfTemporalLayers == other.numberOfTemporalLayers);
+}
+
+bool VideoCodecH265::operator==(const VideoCodecH265& other) const {
+  return (frameDroppingOn == other.frameDroppingOn &&
+          keyFrameInterval == other.keyFrameInterval &&
+          vpsLen == other.vpsLen && spsLen == other.spsLen &&
+          ppsLen == other.ppsLen &&
+          (spsLen == 0 || memcmp(spsData, other.spsData, spsLen) == 0) &&
+          (ppsLen == 0 || memcmp(ppsData, other.ppsData, ppsLen) == 0));
+}
+
+VideoCodec::VideoCodec()
+    : codecType(kVideoCodecGeneric),
+      width(0),
+      height(0),
+      startBitrate(0),
+      maxBitrate(0),
+      minBitrate(0),
+      maxFramerate(0),
+      active(true),
+      qpMax(0),
+      numberOfSimulcastStreams(0),
+      simulcastStream(),
+      spatialLayers(),
+      mode(VideoCodecMode::kRealtimeVideo),
+      expect_encode_from_texture(false),
+      timing_frame_thresholds({0, 0}),
+      legacy_conference_mode(false),
+      codec_specific_(),
+      complexity_(VideoCodecComplexity::kComplexityNormal) {}
+
+std::string VideoCodec::ToString() const {
+  char string_buf[2048];
+  rtc::SimpleStringBuilder ss(string_buf);
+
+  ss << "VideoCodec {" << "type: " << CodecTypeToPayloadString(codecType)
+     << ", mode: "
+     << (mode == VideoCodecMode::kRealtimeVideo ? "RealtimeVideo"
+                                                : "Screensharing");
+  if (IsSinglecast()) {
+    absl::optional<ScalabilityMode> scalability_mode = GetScalabilityMode();
+    if (scalability_mode.has_value()) {
+      ss << ", Singlecast: {" << width << "x" << height << " "
+         << ScalabilityModeToString(*scalability_mode)
+         << (active ? ", active" : ", inactive") << "}";
+    }
+  } else {
+    ss << ", Simulcast: {";
+    for (size_t i = 0; i < numberOfSimulcastStreams; ++i) {
+      const SimulcastStream stream = simulcastStream[i];
+      ss << "[" << stream.width << "x" << stream.height << " "
+         << ScalabilityModeToString(stream.GetScalabilityMode())
+         << (stream.active ? ", active" : ", inactive") << "]";
+    }
+    ss << "}";
+  }
+  ss << "}";
+  return ss.str();
+}
+
+VideoCodecVP8* VideoCodec::VP8() {
+  RTC_DCHECK_EQ(codecType, kVideoCodecVP8);
+  return &codec_specific_.VP8;
+}
+
+const VideoCodecVP8& VideoCodec::VP8() const {
+  RTC_DCHECK_EQ(codecType, kVideoCodecVP8);
+  return codec_specific_.VP8;
+}
+
+VideoCodecVP9* VideoCodec::VP9() {
+  RTC_DCHECK_EQ(codecType, kVideoCodecVP9);
+  return &codec_specific_.VP9;
+}
+
+const VideoCodecVP9& VideoCodec::VP9() const {
+  RTC_DCHECK_EQ(codecType, kVideoCodecVP9);
+  return codec_specific_.VP9;
+}
+
+VideoCodecH264* VideoCodec::H264() {
+  RTC_DCHECK_EQ(codecType, kVideoCodecH264);
+  return &codec_specific_.H264;
+}
+
+const VideoCodecH264& VideoCodec::H264() const {
+  RTC_DCHECK_EQ(codecType, kVideoCodecH264);
+  return codec_specific_.H264;
+}
+
+VideoCodecH265* VideoCodec::H265() {
+  RTC_DCHECK_EQ(codecType, kVideoCodecH264);
+  return &codec_specific_.H265;
+}
+
+const VideoCodecH265& VideoCodec::H265() const {
+  RTC_DCHECK_EQ(codecType, kVideoCodecH265);
+  return codec_specific_.H265;
+}
+
+VideoCodecAV1* VideoCodec::AV1() {
+  RTC_DCHECK_EQ(codecType, kVideoCodecAV1);
+  return &codec_specific_.AV1;
+}
+
+const VideoCodecAV1& VideoCodec::AV1() const {
+  RTC_DCHECK_EQ(codecType, kVideoCodecAV1);
+  return codec_specific_.AV1;
+}
+
+const char* CodecTypeToPayloadString(VideoCodecType type) {
+  switch (type) {
+    case kVideoCodecVP8:
+      return kPayloadNameVp8;
+    case kVideoCodecVP9:
+      return kPayloadNameVp9;
+    case kVideoCodecAV1:
+      return kPayloadNameAv1;
+    case kVideoCodecH264:
+      return kPayloadNameH264;
+    case kVideoCodecMultiplex:
+      return kPayloadNameMultiplex;
+    case kVideoCodecGeneric:
+      return kPayloadNameGeneric;
+    case kVideoCodecH265:
+      return kPayloadNameH265;
+  }
+  RTC_CHECK_NOTREACHED();
+}
+
+VideoCodecType PayloadStringToCodecType(const std::string& name) {
+  if (absl::EqualsIgnoreCase(name, kPayloadNameVp8))
+    return kVideoCodecVP8;
+  if (absl::EqualsIgnoreCase(name, kPayloadNameVp9))
+    return kVideoCodecVP9;
+  if (absl::EqualsIgnoreCase(name, kPayloadNameAv1) ||
+      absl::EqualsIgnoreCase(name, kPayloadNameAv1x))
+    return kVideoCodecAV1;
+  if (absl::EqualsIgnoreCase(name, kPayloadNameH264))
+    return kVideoCodecH264;
+  if (absl::EqualsIgnoreCase(name, kPayloadNameMultiplex))
+    return kVideoCodecMultiplex;
+  if (absl::EqualsIgnoreCase(name, kPayloadNameH265))
+    return kVideoCodecH265;
+  return kVideoCodecGeneric;
+}
+
+VideoCodecComplexity VideoCodec::GetVideoEncoderComplexity() const {
+  return complexity_;
+}
+
+void VideoCodec::SetVideoEncoderComplexity(
+    VideoCodecComplexity complexity_setting) {
+  complexity_ = complexity_setting;
+}
+
+bool VideoCodec::GetFrameDropEnabled() const {
+  return frame_drop_enabled_;
+}
+
+void VideoCodec::SetFrameDropEnabled(bool enabled) {
+  frame_drop_enabled_ = enabled;
+}
+
+}  // namespace webrtc