From 6e554a30893150793c2638e3689cf208ffc8e375 Mon Sep 17 00:00:00 2001 From: Dale Curtis Date: Sat, 2 Apr 2022 05:13:53 +0000 Subject: [PATCH] Roll src/third_party/ffmpeg/ 574c39cce..32b2d1d526 (1125 commits) https://chromium.googlesource.com/chromium/third_party/ffmpeg.git/+log/574c39cce323..32b2d1d526 Created with: roll-dep src/third_party/ffmpeg Fixed: 1293918 Cq-Include-Trybots: luci.chromium.try:mac_chromium_asan_rel_ng,linux_chromium_asan_rel_ng,linux_chromium_chromeos_asan_rel_ng Change-Id: I41945d0f963e3d1f65940067bac22f63b68e37d2 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3565647 Auto-Submit: Dale Curtis Reviewed-by: Dan Sanders Commit-Queue: Dale Curtis Cr-Commit-Position: refs/heads/main@{#988253} --- .../clear_key_cdm/ffmpeg_cdm_audio_decoder.cc | 29 ++++++++++--------- media/ffmpeg/ffmpeg_common.cc | 11 +++---- media/filters/audio_file_reader.cc | 9 +++--- media/filters/audio_file_reader_unittest.cc | 6 ++-- .../filters/audio_video_metadata_extractor.cc | 11 +++++-- .../filters/ffmpeg_aac_bitstream_converter.cc | 7 +++-- ...ffmpeg_aac_bitstream_converter_unittest.cc | 2 +- media/filters/ffmpeg_audio_decoder.cc | 13 +++++---- 8 files changed, 51 insertions(+), 37 deletions(-) diff --git a/src/3rdparty/chromium/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc b/src/3rdparty/chromium/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc index a043005..9ae2ca9 100644 --- a/src/3rdparty/chromium/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc +++ b/src/3rdparty/chromium/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc @@ -73,7 +73,7 @@ void CdmAudioDecoderConfigToAVCodecContext( codec_context->sample_fmt = AV_SAMPLE_FMT_NONE; } - codec_context->channels = config.channel_count; + codec_context->ch_layout.nb_channels = config.channel_count; codec_context->sample_rate = config.samples_per_second; if (config.extra_data) { @@ -123,8 +123,8 @@ void CopySamples(cdm::AudioFormat cdm_format, case cdm::kAudioFormatPlanarS16: case cdm::kAudioFormatPlanarF32: { const int decoded_size_per_channel = - decoded_audio_size / av_frame.channels; - for (int i = 0; i < av_frame.channels; ++i) { + decoded_audio_size / av_frame.ch_layout.nb_channels; + for (int i = 0; i < av_frame.ch_layout.nb_channels; ++i) { memcpy(output_buffer, av_frame.extended_data[i], decoded_size_per_channel); output_buffer += decoded_size_per_channel; @@ -184,13 +184,14 @@ bool FFmpegCdmAudioDecoder::Initialize( // Success! decoding_loop_.reset(new FFmpegDecodingLoop(codec_context_.get())); samples_per_second_ = config.samples_per_second; - bytes_per_frame_ = codec_context_->channels * config.bits_per_channel / 8; + bytes_per_frame_ = + codec_context_->ch_layout.nb_channels * config.bits_per_channel / 8; output_timestamp_helper_.reset( new AudioTimestampHelper(config.samples_per_second)); is_initialized_ = true; // Store initial values to guard against midstream configuration changes. - channels_ = codec_context_->channels; + channels_ = codec_context_->ch_layout.nb_channels; av_sample_format_ = codec_context_->sample_fmt; return true; @@ -290,17 +291,18 @@ cdm::Status FFmpegCdmAudioDecoder::DecodeBuffer( for (auto& frame : audio_frames) { int decoded_audio_size = 0; if (frame->sample_rate != samples_per_second_ || - frame->channels != channels_ || frame->format != av_sample_format_) { + frame->ch_layout.nb_channels != channels_ || + frame->format != av_sample_format_) { DLOG(ERROR) << "Unsupported midstream configuration change!" << " Sample Rate: " << frame->sample_rate << " vs " - << samples_per_second_ << ", Channels: " << frame->channels + << samples_per_second_ << ", Channels: " << frame->ch_layout.nb_channels << " vs " << channels_ << ", Sample Format: " << frame->format << " vs " << av_sample_format_; return cdm::kDecodeError; } decoded_audio_size = av_samples_get_buffer_size( - nullptr, codec_context_->channels, frame->nb_samples, + nullptr, codec_context_->ch_layout.nb_channels, frame->nb_samples, codec_context_->sample_fmt, 1); if (!decoded_audio_size) continue; @@ -319,7 +321,7 @@ bool FFmpegCdmAudioDecoder::OnNewFrame( size_t* total_size, std::vector>* audio_frames, AVFrame* frame) { - *total_size += av_samples_get_buffer_size(nullptr, codec_context_->channels, + *total_size += av_samples_get_buffer_size(nullptr, codec_context_->ch_layout.nb_channels, frame->nb_samples, codec_context_->sample_fmt, 1); audio_frames->emplace_back(av_frame_clone(frame)); diff --git a/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc b/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc index c17dd9f..0448cb5 100644 --- a/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc +++ b/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc @@ -341,10 +341,11 @@ bool AVCodecContextToAudioDecoderConfig(const AVCodecContext* codec_context, codec_context->sample_fmt, codec_context->codec_id); ChannelLayout channel_layout = - codec_context->channels > 8 + codec_context->ch_layout.nb_channels > 8 ? CHANNEL_LAYOUT_DISCRETE - : ChannelLayoutToChromeChannelLayout(codec_context->channel_layout, - codec_context->channels); + : ChannelLayoutToChromeChannelLayout( + codec_context->ch_layout.u.mask, + codec_context->ch_layout.nb_channels); int sample_rate = codec_context->sample_rate; switch (codec) { @@ -397,7 +398,7 @@ bool AVCodecContextToAudioDecoderConfig(const AVCodecContext* codec_context, extra_data, encryption_scheme, seek_preroll, codec_context->delay); if (channel_layout == CHANNEL_LAYOUT_DISCRETE) - config->SetChannelsForDiscrete(codec_context->channels); + config->SetChannelsForDiscrete(codec_context->ch_layout.nb_channels); #if BUILDFLAG(ENABLE_PLATFORM_AC3_EAC3_AUDIO) // These are bitstream formats unknown to ffmpeg, so they don't have @@ -462,7 +463,7 @@ void AudioDecoderConfigToAVCodecContext(const AudioDecoderConfig& config, // TODO(scherkus): should we set |channel_layout|? I'm not sure if FFmpeg uses // said information to decode. - codec_context->channels = config.channels(); + codec_context->ch_layout.nb_channels = config.channels(); codec_context->sample_rate = config.samples_per_second(); if (config.extra_data().empty()) { diff --git a/src/3rdparty/chromium/media/filters/audio_file_reader.cc b/src/3rdparty/chromium/media/filters/audio_file_reader.cc index bd73908..745c4c7 100644 --- a/src/3rdparty/chromium/media/filters/audio_file_reader.cc +++ b/src/3rdparty/chromium/media/filters/audio_file_reader.cc @@ -112,14 +112,15 @@ bool AudioFileReader::OpenDecoder() { // Verify the channel layout is supported by Chrome. Acts as a sanity check // against invalid files. See http://crbug.com/171962 - if (ChannelLayoutToChromeChannelLayout(codec_context_->channel_layout, - codec_context_->channels) == + if (ChannelLayoutToChromeChannelLayout( + codec_context_->ch_layout.u.mask, + codec_context_->ch_layout.nb_channels) == CHANNEL_LAYOUT_UNSUPPORTED) { return false; } // Store initial values to guard against midstream configuration changes. - channels_ = codec_context_->channels; + channels_ = codec_context_->ch_layout.nb_channels; audio_codec_ = CodecIDToAudioCodec(codec_context_->codec_id); sample_rate_ = codec_context_->sample_rate; av_sample_format_ = codec_context_->sample_fmt; @@ -222,7 +223,7 @@ bool AudioFileReader::OnNewFrame( if (frames_read < 0) return false; - const int channels = frame->channels; + const int channels = frame->ch_layout.nb_channels; if (frame->sample_rate != sample_rate_ || channels != channels_ || frame->format != av_sample_format_) { DLOG(ERROR) << "Unsupported midstream configuration change!" diff --git a/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter.cc b/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter.cc index 6f231c8..ca5e5fb 100644 --- a/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter.cc +++ b/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter.cc @@ -195,14 +195,15 @@ bool FFmpegAACBitstreamConverter::ConvertPacket(AVPacket* packet) { if (!header_generated_ || codec_ != stream_codec_parameters_->codec_id || audio_profile_ != stream_codec_parameters_->profile || sample_rate_index_ != sample_rate_index || - channel_configuration_ != stream_codec_parameters_->channels || + channel_configuration_ != + stream_codec_parameters_->ch_layout.nb_channels || frame_length_ != header_plus_packet_size) { header_generated_ = GenerateAdtsHeader(stream_codec_parameters_->codec_id, 0, // layer stream_codec_parameters_->profile, sample_rate_index, 0, // private stream - stream_codec_parameters_->channels, + stream_codec_parameters_->ch_layout.nb_channels, 0, // originality 0, // home 0, // copyrighted_stream @@ -214,7 +215,7 @@ bool FFmpegAACBitstreamConverter::ConvertPacket(AVPacket* packet) { codec_ = stream_codec_parameters_->codec_id; audio_profile_ = stream_codec_parameters_->profile; sample_rate_index_ = sample_rate_index; - channel_configuration_ = stream_codec_parameters_->channels; + channel_configuration_ = stream_codec_parameters_->ch_layout.nb_channels; frame_length_ = header_plus_packet_size; } diff --git a/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc b/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc index ac8bb13..3e4e3f6 100644 --- a/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc +++ b/src/3rdparty/chromium/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc @@ -29,7 +29,7 @@ class FFmpegAACBitstreamConverterTest : public testing::Test { memset(&test_parameters_, 0, sizeof(AVCodecParameters)); test_parameters_.codec_id = AV_CODEC_ID_AAC; test_parameters_.profile = FF_PROFILE_AAC_MAIN; - test_parameters_.channels = 2; + test_parameters_.ch_layout.nb_channels = 2; test_parameters_.extradata = extradata_header_; test_parameters_.extradata_size = sizeof(extradata_header_); } diff --git a/src/3rdparty/chromium/media/filters/ffmpeg_audio_decoder.cc b/src/3rdparty/chromium/media/filters/ffmpeg_audio_decoder.cc index 72fac61..ab49fd5 100644 --- a/src/3rdparty/chromium/media/filters/ffmpeg_audio_decoder.cc +++ b/src/3rdparty/chromium/media/filters/ffmpeg_audio_decoder.cc @@ -27,7 +27,7 @@ namespace media { // Return the number of channels from the data in |frame|. static inline int DetermineChannels(AVFrame* frame) { - return frame->channels; + return frame->ch_layout.nb_channels; } // Called by FFmpeg's allocation routine to allocate a buffer. Uses @@ -227,7 +227,7 @@ bool FFmpegAudioDecoder::OnNewFrame(const DecoderBuffer& buffer, // Translate unsupported into discrete layouts for discrete configurations; // ffmpeg does not have a labeled discrete configuration internally. ChannelLayout channel_layout = ChannelLayoutToChromeChannelLayout( - codec_context_->channel_layout, codec_context_->channels); + codec_context_->ch_layout.u.mask, codec_context_->ch_layout.nb_channels); if (channel_layout == CHANNEL_LAYOUT_UNSUPPORTED && config_.channel_layout() == CHANNEL_LAYOUT_DISCRETE) { channel_layout = CHANNEL_LAYOUT_DISCRETE; @@ -344,11 +344,11 @@ bool FFmpegAudioDecoder::ConfigureDecoder(const AudioDecoderConfig& config) { // Success! av_sample_format_ = codec_context_->sample_fmt; - if (codec_context_->channels != config.channels()) { + if (codec_context_->ch_layout.nb_channels != config.channels()) { MEDIA_LOG(ERROR, media_log_) << "Audio configuration specified " << config.channels() << " channels, but FFmpeg thinks the file contains " - << codec_context_->channels << " channels"; + << codec_context_->ch_layout.nb_channels << " channels"; ReleaseFFmpegResources(); state_ = kUninitialized; return false; @@ -398,7 +398,7 @@ int FFmpegAudioDecoder::GetAudioBuffer(struct AVCodecContext* s, if (frame->nb_samples <= 0) return AVERROR(EINVAL); - if (s->channels != channels) { + if (s->ch_layout.nb_channels != channels) { DLOG(ERROR) << "AVCodecContext and AVFrame disagree on channel count."; return AVERROR(EINVAL); } @@ -431,7 +431,8 @@ int FFmpegAudioDecoder::GetAudioBuffer(struct AVCodecContext* s, ChannelLayout channel_layout = config_.channel_layout() == CHANNEL_LAYOUT_DISCRETE ? CHANNEL_LAYOUT_DISCRETE - : ChannelLayoutToChromeChannelLayout(s->channel_layout, s->channels); + : ChannelLayoutToChromeChannelLayout(s->ch_layout.u.mask, + s->ch_layout.nb_channels); if (channel_layout == CHANNEL_LAYOUT_UNSUPPORTED) { DLOG(ERROR) << "Unsupported channel layout."; commit 62274859104bd828373ae406aa9309e610449ac5 Author: Ted Meyer Date: Fri Mar 22 19:56:55 2024 +0000 Replace deprecated use of AVCodecContext::reordered_opaque We can use the AV_CODEC_FLAG_COPY_OPAQUE flag on the codec context now to trigger timestamp propagation. Bug: 330573128 Change-Id: I6bc57241a35ab5283742aad8d42acb4dc5e85858 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5384308 Commit-Queue: Ted (Chromium) Meyer Reviewed-by: Dan Sanders Cr-Commit-Position: refs/heads/main@{#1277051} diff --git a/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc b/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc index 0448cb5..89e9cf9 100644 --- a/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc +++ b/src/3rdparty/chromium/media/ffmpeg/ffmpeg_common.cc @@ -414,7 +414,9 @@ bool AVCodecContextToAudioDecoderConfig(const AVCodecContext* codec_context, #if BUILDFLAG(USE_PROPRIETARY_CODECS) // TODO(dalecurtis): Just use the profile from the codec context if ffmpeg // ever starts supporting xHE-AAC. - if (codec == kCodecAAC && codec_context->profile == FF_PROFILE_UNKNOWN) { + constexpr uint8_t kXHEAAc = 41; + if (codec == kCodecAAC && codec_context->profile == FF_PROFILE_UNKNOWN || + codec_context->profile == kXHEAAc) { // Errors aren't fatal here, so just drop any MediaLog messages. NullMediaLog media_log; mp4::AAC aac_parser; diff --git a/src/3rdparty/chromium/media/ffmpeg/ffmpeg_regression_tests.cc b/src/3rdparty/chromium/media/ffmpeg/ffmpeg_regression_tests.cc index ebd1bab..04d5ecc 100644 --- a/src/3rdparty/chromium/media/ffmpeg/ffmpeg_regression_tests.cc +++ b/src/3rdparty/chromium/media/ffmpeg/ffmpeg_regression_tests.cc @@ -86,16 +86,16 @@ FFMPEG_TEST_CASE(Cr47761, "crbug47761.ogg", PIPELINE_OK, PIPELINE_OK); FFMPEG_TEST_CASE(Cr50045, "crbug50045.mp4", PIPELINE_OK, PIPELINE_OK); FFMPEG_TEST_CASE(Cr62127, "crbug62127.webm", PIPELINE_OK, PIPELINE_OK); FFMPEG_TEST_CASE(Cr93620, "security/93620.ogg", PIPELINE_OK, PIPELINE_OK); -FFMPEG_TEST_CASE(Cr100492, - "security/100492.webm", - DECODER_ERROR_NOT_SUPPORTED, - DECODER_ERROR_NOT_SUPPORTED); +FFMPEG_TEST_CASE(Cr100492, "security/100492.webm", PIPELINE_OK, PIPELINE_OK); FFMPEG_TEST_CASE(Cr100543, "security/100543.webm", PIPELINE_OK, PIPELINE_OK); FFMPEG_TEST_CASE(Cr101458, "security/101458.webm", PIPELINE_ERROR_DECODE, PIPELINE_ERROR_DECODE); -FFMPEG_TEST_CASE(Cr108416, "security/108416.webm", PIPELINE_OK, PIPELINE_OK); +FFMPEG_TEST_CASE(Cr108416, + "security/108416.webm", + PIPELINE_ERROR_DECODE, + PIPELINE_ERROR_DECODE); FFMPEG_TEST_CASE(Cr110849, "security/110849.mkv", DEMUXER_ERROR_COULD_NOT_OPEN, @@ -150,7 +150,10 @@ FFMPEG_TEST_CASE(Cr234630b, "security/234630b.mov", DEMUXER_ERROR_NO_SUPPORTED_STREAMS, DEMUXER_ERROR_NO_SUPPORTED_STREAMS); -FFMPEG_TEST_CASE(Cr242786, "security/242786.webm", PIPELINE_OK, PIPELINE_OK); +FFMPEG_TEST_CASE(Cr242786, + "security/242786.webm", + PIPELINE_OK, + PIPELINE_ERROR_DECODE); // Test for out-of-bounds access with slightly corrupt file (detection logic // thinks it's a MONO file, but actually contains STEREO audio). FFMPEG_TEST_CASE(Cr275590, @@ -371,8 +374,8 @@ FFMPEG_TEST_CASE(WEBM_2, DEMUXER_ERROR_NO_SUPPORTED_STREAMS); FFMPEG_TEST_CASE(WEBM_4, "security/out.webm.68798.1929", - DECODER_ERROR_NOT_SUPPORTED, - DECODER_ERROR_NOT_SUPPORTED); + PIPELINE_OK, + PIPELINE_OK); FFMPEG_TEST_CASE(WEBM_5, "frame_size_change.webm", PIPELINE_OK, PIPELINE_OK); // General MKV test cases. diff --git a/src/3rdparty/chromium/media/filters/audio_file_reader.cc b/src/3rdparty/chromium/media/filters/audio_file_reader.cc index 745c4c7..2b3abba 100644 --- a/src/3rdparty/chromium/media/filters/audio_file_reader.cc +++ b/src/3rdparty/chromium/media/filters/audio_file_reader.cc @@ -242,10 +242,10 @@ bool AudioFileReader::OnNewFrame( // silence from being output. In the case where we are also discarding some // portion of the packet (as indicated by a negative pts), we further want to // adjust the duration downward by however much exists before zero. - if (audio_codec_ == kCodecAAC && frame->pkt_duration) { + if (audio_codec_ == kCodecAAC && frame->duration) { const base::TimeDelta pkt_duration = ConvertFromTimeBase( glue_->format_context()->streams[stream_index_]->time_base, - frame->pkt_duration + std::min(static_cast(0), frame->pts)); + frame->duration + std::min(static_cast(0), frame->pts)); const base::TimeDelta frame_duration = base::TimeDelta::FromSecondsD( frames_read / static_cast(sample_rate_)); diff --git a/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.cc b/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.cc index 7996606..a15aafc 100644 --- a/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.cc +++ b/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.cc @@ -86,7 +86,7 @@ bool FFmpegVideoDecoder::IsCodecSupported(VideoCodec codec) { } FFmpegVideoDecoder::FFmpegVideoDecoder(MediaLog* media_log) - : media_log_(media_log), state_(kUninitialized), decode_nalus_(false) { + : media_log_(media_log), state_(kUninitialized), decode_nalus_(false), timestamp_map_(128) { DVLOG(1) << __func__; thread_checker_.DetachFromThread(); } @@ -183,7 +183,6 @@ int FFmpegVideoDecoder::GetVideoBuffer(struct AVCodecContext* codec_context, frame->width = coded_size.width(); frame->height = coded_size.height(); frame->format = codec_context->pix_fmt; - frame->reordered_opaque = codec_context->reordered_opaque; // Now create an AVBufferRef for the data just allocated. It will own the // reference to the VideoFrame object. @@ -318,8 +317,10 @@ bool FFmpegVideoDecoder::FFmpegDecode(const DecoderBuffer& buffer) { DCHECK(packet.data); DCHECK_GT(packet.size, 0); - // Let FFmpeg handle presentation timestamp reordering. - codec_context_->reordered_opaque = buffer.timestamp().InMicroseconds(); + const int64_t timestamp = buffer.timestamp().InMicroseconds(); + const TimestampId timestamp_id = timestamp_id_generator_.GenerateNextId(); + timestamp_map_.Put(timestamp_id, timestamp); + packet.opaque = reinterpret_cast(timestamp_id.GetUnsafeValue()); } switch (decoding_loop_->DecodePacket( @@ -358,8 +359,13 @@ bool FFmpegVideoDecoder::OnNewFrame(AVFrame* frame) { scoped_refptr video_frame = reinterpret_cast(av_buffer_get_opaque(frame->buf[0])); + const auto ts_id = TimestampId(reinterpret_cast(frame->opaque)); + const auto ts_lookup = timestamp_map_.Get(ts_id); + if (ts_lookup == timestamp_map_.end()) { + return false; + } video_frame->set_timestamp( - base::TimeDelta::FromMicroseconds(frame->reordered_opaque)); + base::TimeDelta::FromMicroseconds(std::get<1>(*ts_lookup))); video_frame->metadata()->power_efficient = false; output_cb_.Run(video_frame); return true; @@ -385,8 +391,10 @@ bool FFmpegVideoDecoder::ConfigureDecoder(const VideoDecoderConfig& config, codec_context_->thread_count = GetFFmpegVideoDecoderThreadCount(config); codec_context_->thread_type = FF_THREAD_SLICE | (low_delay ? 0 : FF_THREAD_FRAME); + codec_context_->opaque = this; codec_context_->get_buffer2 = GetVideoBufferImpl; + codec_context_->flags |= AV_CODEC_FLAG_COPY_OPAQUE; if (decode_nalus_) codec_context_->flags2 |= AV_CODEC_FLAG2_CHUNKS; diff --git a/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.h b/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.h index f13ce41..ee2444b 100644 --- a/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.h +++ b/src/3rdparty/chromium/media/filters/ffmpeg_video_decoder.h @@ -8,6 +8,8 @@ #include #include +#include "base/containers/mru_cache.h" +#include "base/util/type_safety/id_type.h" #include "base/callback.h" #include "base/macros.h" #include "base/memory/ref_counted.h" @@ -85,6 +87,20 @@ class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder { // FFmpeg structures owned by this object. std::unique_ptr codec_context_; + // The gist here is that timestamps need to be 64 bits to store microsecond + // precision. A 32 bit integer would overflow at ~35 minutes at this level of + // precision. We can't cast the timestamp to the void ptr object used by the + // opaque field in ffmpeg then, because it would lose data on a 32 bit build. + // However, we don't actually have 2^31 timestamped frames in a single + // playback, so it's fine to use the 32 bit value as a key in a map which + // contains the actual timestamps. Additionally, we've in the past set 128 + // outstanding frames for re-ordering as a limit for cross-thread decoding + // tasks, so we'll do that here too with the LRU cache. + using TimestampId = util::IdType; + + TimestampId::Generator timestamp_id_generator_; + base::MRUCache timestamp_map_; + VideoDecoderConfig config_; VideoFramePool frame_pool_; diff --git a/src/3rdparty/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc b/src/3rdparty/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc index d12fade..8abfbbf 100644 --- a/src/3rdparty/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc +++ b/src/3rdparty/chromium/third_party/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc @@ -114,7 +114,6 @@ int H264DecoderImpl::AVGetBuffer2(AVCodecContext* context, int total_size = y_size + 2 * uv_size; av_frame->format = context->pix_fmt; - av_frame->reordered_opaque = context->reordered_opaque; // Set |av_frame| members as required by FFmpeg. av_frame->data[kYPlaneIndex] = frame_buffer->MutableDataY(); @@ -273,8 +272,6 @@ int32_t H264DecoderImpl::Decode(const EncodedImage& input_image, return WEBRTC_VIDEO_CODEC_ERROR; } packet.size = static_cast(input_image.size()); - int64_t frame_timestamp_us = input_image.ntp_time_ms_ * 1000; // ms -> μs - av_context_->reordered_opaque = frame_timestamp_us; int result = avcodec_send_packet(av_context_.get(), &packet); if (result < 0) { @@ -290,10 +287,6 @@ int32_t H264DecoderImpl::Decode(const EncodedImage& input_image, return WEBRTC_VIDEO_CODEC_ERROR; } - // We don't expect reordering. Decoded frame tamestamp should match - // the input one. - RTC_DCHECK_EQ(av_frame_->reordered_opaque, frame_timestamp_us); - absl::optional qp; // TODO(sakal): Maybe it is possible to get QP directly from FFmpeg. h264_bitstream_parser_.ParseBitstream(input_image.data(), input_image.size());