mirror of
https://abf.rosa.ru/djam/chromium-browser-stable.git
synced 2025-02-23 22:52:49 +00:00
355 lines
15 KiB
Diff
355 lines
15 KiB
Diff
diff --git a/media/filters/ffmpeg_demuxer.h b/media/filters/ffmpeg_demuxer.h
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index c147309..48a8f6a 100644
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--- a/media/filters/ffmpeg_demuxer.h
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+++ b/media/filters/ffmpeg_demuxer.h
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@@ -151,6 +151,8 @@
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base::TimeDelta start_time() const { return start_time_; }
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void set_start_time(base::TimeDelta time) { start_time_ = time; }
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+ int64_t first_dts() const { return first_dts_; }
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+
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private:
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friend class FFmpegDemuxerTest;
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@@ -208,6 +210,7 @@
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bool fixup_chained_ogg_;
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int num_discarded_packet_warnings_;
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+ int64_t first_dts_;
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int64_t last_packet_pos_;
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int64_t last_packet_dts_;
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};
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--- a/media/filters/ffmpeg_demuxer.cc 2021-06-28 16:40:34.456861225 +0200
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+++ b/media/filters/ffmpeg_demuxer.cc 2021-06-28 16:49:27.746115753 +0200
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@@ -58,7 +58,7 @@
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namespace {
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-constexpr int64_t kInvalidPTSMarker = static_cast<int64_t>(0x8000000000000000);
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+constexpr int64_t kRelativeTsBase = static_cast<int64_t>(0x7ffeffffffffffff);
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void SetAVStreamDiscard(AVStream* stream, AVDiscard discard) {
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DCHECK(stream);
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@@ -96,7 +96,7 @@
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sample_rate);
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}
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-static base::TimeDelta ExtractStartTime(AVStream* stream) {
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+static base::TimeDelta ExtractStartTime(AVStream* stream, int64_t first_dts) {
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// The default start time is zero.
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base::TimeDelta start_time;
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@@ -106,12 +106,12 @@
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// Next try to use the first DTS value, for codecs where we know PTS == DTS
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// (excludes all H26x codecs). The start time must be returned in PTS.
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- if (av_stream_get_first_dts(stream) != kNoFFmpegTimestamp &&
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+ if (first_dts != AV_NOPTS_VALUE &&
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stream->codecpar->codec_id != AV_CODEC_ID_HEVC &&
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stream->codecpar->codec_id != AV_CODEC_ID_H264 &&
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stream->codecpar->codec_id != AV_CODEC_ID_MPEG4) {
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const base::TimeDelta first_pts =
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- ConvertFromTimeBase(stream->time_base, av_stream_get_first_dts(stream));
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+ ConvertFromTimeBase(stream->time_base, first_dts);
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if (first_pts < start_time)
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start_time = first_pts;
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}
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@@ -280,6 +280,7 @@
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fixup_negative_timestamps_(false),
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fixup_chained_ogg_(false),
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num_discarded_packet_warnings_(0),
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+ first_dts_(AV_NOPTS_VALUE),
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last_packet_pos_(AV_NOPTS_VALUE),
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last_packet_dts_(AV_NOPTS_VALUE) {
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DCHECK(demuxer_);
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@@ -346,6 +347,11 @@
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int64_t packet_dts =
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packet->dts == AV_NOPTS_VALUE ? packet->pts : packet->dts;
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+ if (first_dts_ == AV_NOPTS_VALUE && packet->dts != AV_NOPTS_VALUE &&
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+ last_packet_dts_ != AV_NOPTS_VALUE) {
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+ first_dts_ = packet->dts - (last_packet_dts_ + kRelativeTsBase);
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+ }
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+
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// Chained ogg files have non-monotonically increasing position and time stamp
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// values, which prevents us from using them to determine if a packet should
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// be dropped. Since chained ogg is only allowed on single track audio only
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@@ -1439,7 +1445,7 @@
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max_duration = std::max(max_duration, streams_[i]->duration());
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- base::TimeDelta start_time = ExtractStartTime(stream);
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+ base::TimeDelta start_time = ExtractStartTime(stream, streams_[i]->first_dts());
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// Note: This value is used for seeking, so we must take the true value and
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// not the one possibly clamped to zero below.
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@@ -1596,7 +1602,7 @@
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for (const auto& stream : streams_) {
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if (!stream || stream->IsEnabled() != enabled)
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continue;
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- if (av_stream_get_first_dts(stream->av_stream()) == kInvalidPTSMarker)
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+ if (stream->first_dts() == AV_NOPTS_VALUE)
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continue;
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if (!lowest_start_time_stream ||
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stream->start_time() < lowest_start_time_stream->start_time()) {
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@@ -1617,7 +1623,7 @@
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if (stream->type() != DemuxerStream::VIDEO)
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continue;
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- if (av_stream_get_first_dts(stream->av_stream()) == kInvalidPTSMarker)
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+ if (stream->first_dts() == AV_NOPTS_VALUE)
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continue;
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if (!stream->IsEnabled())
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diff --git a/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc b/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc
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index e4fc3f46..9b1ad9f 100644
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--- a/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc
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+++ b/media/cdm/library_cdm/clear_key_cdm/ffmpeg_cdm_audio_decoder.cc
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@@ -74,7 +74,7 @@
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codec_context->sample_fmt = AV_SAMPLE_FMT_NONE;
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}
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- codec_context->ch_layout.nb_channels = config.channel_count;
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+ codec_context->channels = config.channel_count;
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codec_context->sample_rate = config.samples_per_second;
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if (config.extra_data) {
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@@ -124,8 +124,8 @@
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case cdm::kAudioFormatPlanarS16:
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case cdm::kAudioFormatPlanarF32: {
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const int decoded_size_per_channel =
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- decoded_audio_size / av_frame.ch_layout.nb_channels;
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- for (int i = 0; i < av_frame.ch_layout.nb_channels; ++i) {
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+ decoded_audio_size / av_frame.channels;
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+ for (int i = 0; i < av_frame.channels; ++i) {
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memcpy(output_buffer, av_frame.extended_data[i],
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decoded_size_per_channel);
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output_buffer += decoded_size_per_channel;
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@@ -185,14 +185,13 @@
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// Success!
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decoding_loop_ = std::make_unique<FFmpegDecodingLoop>(codec_context_.get());
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samples_per_second_ = config.samples_per_second;
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- bytes_per_frame_ =
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- codec_context_->ch_layout.nb_channels * config.bits_per_channel / 8;
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+ bytes_per_frame_ = codec_context_->channels * config.bits_per_channel / 8;
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output_timestamp_helper_ =
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std::make_unique<AudioTimestampHelper>(config.samples_per_second);
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is_initialized_ = true;
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// Store initial values to guard against midstream configuration changes.
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- channels_ = codec_context_->ch_layout.nb_channels;
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+ channels_ = codec_context_->channels;
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av_sample_format_ = codec_context_->sample_fmt;
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return true;
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@@ -291,9 +291,8 @@
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for (auto& frame : audio_frames) {
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int decoded_audio_size = 0;
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if (frame->sample_rate != samples_per_second_ ||
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- frame->ch_layout.nb_channels != channels_ ||
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- frame->format != av_sample_format_) {
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- DLOG(ERROR) << "Unsupported midstream configuration change!"
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+ frame->channels != channels_ || frame->format != av_sample_format_) {
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+ DLOG(ERROR) << "Unsupported midstream configuration change!"
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<< " Sample Rate: " << frame->sample_rate << " vs "
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<< samples_per_second_
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<< ", Channels: " << frame->ch_layout.nb_channels << " vs "
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@@ -303,7 +302,7 @@
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}
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decoded_audio_size = av_samples_get_buffer_size(
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- nullptr, codec_context_->ch_layout.nb_channels, frame->nb_samples,
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+ nullptr, codec_context_->channels, frame->nb_samples,
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codec_context_->sample_fmt, 1);
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if (!decoded_audio_size)
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continue;
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@@ -323,7 +322,7 @@
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std::vector<std::unique_ptr<AVFrame, ScopedPtrAVFreeFrame>>* audio_frames,
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AVFrame* frame) {
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*total_size += av_samples_get_buffer_size(
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- nullptr, codec_context_->ch_layout.nb_channels, frame->nb_samples,
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+ nullptr, codec_context_->channels, frame->nb_samples,
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codec_context_->sample_fmt, 1);
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audio_frames->emplace_back(av_frame_clone(frame));
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return true;
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diff --git a/media/ffmpeg/ffmpeg_common.cc b/media/ffmpeg/ffmpeg_common.cc
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index 87ca896..76f03d6 100644
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--- a/media/ffmpeg/ffmpeg_common.cc
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+++ b/media/ffmpeg/ffmpeg_common.cc
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@@ -345,11 +345,10 @@
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codec_context->sample_fmt, codec_context->codec_id);
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ChannelLayout channel_layout =
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- codec_context->ch_layout.nb_channels > 8
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+ codec_context->channels > 8
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? CHANNEL_LAYOUT_DISCRETE
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- : ChannelLayoutToChromeChannelLayout(
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- codec_context->ch_layout.u.mask,
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- codec_context->ch_layout.nb_channels);
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+ : ChannelLayoutToChromeChannelLayout(codec_context->channel_layout,
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+ codec_context->channels);
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int sample_rate = codec_context->sample_rate;
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switch (codec) {
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@@ -401,7 +402,7 @@
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extra_data, encryption_scheme, seek_preroll,
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codec_context->delay);
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if (channel_layout == CHANNEL_LAYOUT_DISCRETE)
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- config->SetChannelsForDiscrete(codec_context->ch_layout.nb_channels);
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+ config->SetChannelsForDiscrete(codec_context->channels);
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#if BUILDFLAG(ENABLE_PLATFORM_AC3_EAC3_AUDIO)
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// These are bitstream formats unknown to ffmpeg, so they don't have
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@@ -470,7 +471,7 @@
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// TODO(scherkus): should we set |channel_layout|? I'm not sure if FFmpeg uses
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// said information to decode.
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- codec_context->ch_layout.nb_channels = config.channels();
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+ codec_context->channels = config.channels();
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codec_context->sample_rate = config.samples_per_second();
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if (config.extra_data().empty()) {
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diff --git a/media/filters/audio_file_reader.cc b/media/filters/audio_file_reader.cc
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index 5f257bd..e1be5aa 100644
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--- a/media/filters/audio_file_reader.cc
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+++ b/media/filters/audio_file_reader.cc
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@@ -113,15 +113,14 @@
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// Verify the channel layout is supported by Chrome. Acts as a sanity check
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// against invalid files. See http://crbug.com/171962
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- if (ChannelLayoutToChromeChannelLayout(
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- codec_context_->ch_layout.u.mask,
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- codec_context_->ch_layout.nb_channels) ==
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+ if (ChannelLayoutToChromeChannelLayout(codec_context_->channel_layout,
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+ codec_context_->channels) ==
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CHANNEL_LAYOUT_UNSUPPORTED) {
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return false;
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}
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// Store initial values to guard against midstream configuration changes.
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- channels_ = codec_context_->ch_layout.nb_channels;
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+ channels_ = codec_context_->channels;
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audio_codec_ = CodecIDToAudioCodec(codec_context_->codec_id);
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sample_rate_ = codec_context_->sample_rate;
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av_sample_format_ = codec_context_->sample_fmt;
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@@ -223,7 +224,7 @@
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if (frames_read < 0)
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return false;
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- const int channels = frame->ch_layout.nb_channels;
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+ const int channels = frame->channels;
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if (frame->sample_rate != sample_rate_ || channels != channels_ ||
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frame->format != av_sample_format_) {
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DLOG(ERROR) << "Unsupported midstream configuration change!"
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@@ -243,10 +243,10 @@
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// silence from being output. In the case where we are also discarding some
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// portion of the packet (as indicated by a negative pts), we further want to
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// adjust the duration downward by however much exists before zero.
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- if (audio_codec_ == AudioCodec::kAAC && frame->duration) {
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+ if (audio_codec_ == AudioCodec::kAAC && frame->pkt_duration) {
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const base::TimeDelta pkt_duration = ConvertFromTimeBase(
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glue_->format_context()->streams[stream_index_]->time_base,
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- frame->duration + std::min(static_cast<int64_t>(0), frame->pts));
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+ frame->pkt_duration + std::min(static_cast<int64_t>(0), frame->pts));
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const base::TimeDelta frame_duration =
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base::Seconds(frames_read / static_cast<double>(sample_rate_));
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diff --git a/media/filters/ffmpeg_aac_bitstream_converter.cc b/media/filters/ffmpeg_aac_bitstream_converter.cc
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index 6f231c8..ca5e5fb 100644
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--- a/media/filters/ffmpeg_aac_bitstream_converter.cc
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+++ b/media/filters/ffmpeg_aac_bitstream_converter.cc
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@@ -195,15 +195,14 @@
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if (!header_generated_ || codec_ != stream_codec_parameters_->codec_id ||
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audio_profile_ != stream_codec_parameters_->profile ||
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sample_rate_index_ != sample_rate_index ||
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- channel_configuration_ !=
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- stream_codec_parameters_->ch_layout.nb_channels ||
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+ channel_configuration_ != stream_codec_parameters_->channels ||
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frame_length_ != header_plus_packet_size) {
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header_generated_ =
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GenerateAdtsHeader(stream_codec_parameters_->codec_id,
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0, // layer
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stream_codec_parameters_->profile, sample_rate_index,
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0, // private stream
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- stream_codec_parameters_->ch_layout.nb_channels,
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+ stream_codec_parameters_->channels,
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0, // originality
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0, // home
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0, // copyrighted_stream
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@@ -214,7 +215,7 @@
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codec_ = stream_codec_parameters_->codec_id;
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audio_profile_ = stream_codec_parameters_->profile;
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sample_rate_index_ = sample_rate_index;
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- channel_configuration_ = stream_codec_parameters_->ch_layout.nb_channels;
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+ channel_configuration_ = stream_codec_parameters_->channels;
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frame_length_ = header_plus_packet_size;
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}
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diff --git a/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc b/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc
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index 1fd4c5c..f59bcd8f 100644
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--- a/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc
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+++ b/media/filters/ffmpeg_aac_bitstream_converter_unittest.cc
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@@ -34,7 +34,7 @@
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memset(&test_parameters_, 0, sizeof(AVCodecParameters));
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test_parameters_.codec_id = AV_CODEC_ID_AAC;
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test_parameters_.profile = FF_PROFILE_AAC_MAIN;
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- test_parameters_.ch_layout.nb_channels = 2;
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+ test_parameters_.channels = 2;
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test_parameters_.extradata = extradata_header_;
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test_parameters_.extradata_size = sizeof(extradata_header_);
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}
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diff --git a/media/filters/ffmpeg_audio_decoder.cc b/media/filters/ffmpeg_audio_decoder.cc
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index 6a56c67..4615fdeb 100644
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--- a/media/filters/ffmpeg_audio_decoder.cc
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+++ b/media/filters/ffmpeg_audio_decoder.cc
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@@ -28,7 +28,7 @@
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// Return the number of channels from the data in |frame|.
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static inline int DetermineChannels(AVFrame* frame) {
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- return frame->ch_layout.nb_channels;
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+ return frame->channels;
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}
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// Called by FFmpeg's allocation routine to allocate a buffer. Uses
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@@ -231,7 +231,7 @@
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// Translate unsupported into discrete layouts for discrete configurations;
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// ffmpeg does not have a labeled discrete configuration internally.
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ChannelLayout channel_layout = ChannelLayoutToChromeChannelLayout(
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- codec_context_->ch_layout.u.mask, codec_context_->ch_layout.nb_channels);
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+ codec_context_->channel_layout, codec_context_->channels);
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if (channel_layout == CHANNEL_LAYOUT_UNSUPPORTED &&
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config_.channel_layout() == CHANNEL_LAYOUT_DISCRETE) {
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channel_layout = CHANNEL_LAYOUT_DISCRETE;
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@@ -348,11 +348,11 @@
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// Success!
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av_sample_format_ = codec_context_->sample_fmt;
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- if (codec_context_->ch_layout.nb_channels != config.channels()) {
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+ if (codec_context_->channels != config.channels()) {
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MEDIA_LOG(ERROR, media_log_)
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<< "Audio configuration specified " << config.channels()
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<< " channels, but FFmpeg thinks the file contains "
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- << codec_context_->ch_layout.nb_channels << " channels";
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+ << codec_context_->channels << " channels";
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ReleaseFFmpegResources();
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state_ = DecoderState::kUninitialized;
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return false;
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@@ -403,7 +403,7 @@
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if (frame->nb_samples <= 0)
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return AVERROR(EINVAL);
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- if (s->ch_layout.nb_channels != channels) {
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+ if (s->channels != channels) {
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DLOG(ERROR) << "AVCodecContext and AVFrame disagree on channel count.";
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return AVERROR(EINVAL);
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}
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@@ -436,8 +436,7 @@
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ChannelLayout channel_layout =
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config_.channel_layout() == CHANNEL_LAYOUT_DISCRETE
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? CHANNEL_LAYOUT_DISCRETE
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- : ChannelLayoutToChromeChannelLayout(s->ch_layout.u.mask,
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- s->ch_layout.nb_channels);
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+ : ChannelLayoutToChromeChannelLayout(s->channel_layout, s->channels);
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if (channel_layout == CHANNEL_LAYOUT_UNSUPPORTED) {
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DLOG(ERROR) << "Unsupported channel layout.";
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