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Merge remote-tracking branch 'origin/tracking' into custom

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roytam1 2024-10-01 10:28:33 +08:00
commit 687f52e183
9 changed files with 82 additions and 12 deletions
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28
dom/media/mediasource/TrackBuffersManager.cpp
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@ -31,6 +31,7 @@ mozilla::LogModule* GetMediaSourceSamplesLog()
return sLogModule;
}
#define SAMPLE_DEBUG(arg, ...) MOZ_LOG(GetMediaSourceSamplesLog(), mozilla::LogLevel::Debug, ("TrackBuffersManager(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
#define SAMPLE_DEBUGV(arg, ...) MOZ_LOG(GetMediaSourceSamplesLog(), mozilla::LogLevel::Verbose, ("TrackBuffersManager(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
namespace mozilla {
@ -708,7 +709,11 @@ TrackBuffersManager::SegmentParserLoop()
if (mNewMediaSegmentStarted) {
if (NS_SUCCEEDED(newData) && mLastParsedEndTime.isSome() &&
start < mLastParsedEndTime.ref().ToMicroseconds()) {
MSE_DEBUG("Re-creating demuxer");
MSE_DEBUG("Re-creating demuxer, new start (%" PRId64
") is smaller than last parsed end time (%" PRId64 ")",
start,
mLastParsedEndTime.value());
mFrameEndTimeBeforeRecreateDemuxer = Some(end);
ResetDemuxingState();
return;
}
@ -817,7 +822,15 @@ TrackBuffersManager::CreateDemuxerforMIMEType()
mType.LowerCaseEqualsLiteral("video/x-matroska") ||
mType.LowerCaseEqualsLiteral("audio/x-matroska") ||
mType.LowerCaseEqualsLiteral("audio/webm")) {
mInputDemuxer = new WebMDemuxer(mCurrentInputBuffer, true /* IsMediaSource*/ );
if (mFrameEndTimeBeforeRecreateDemuxer) {
MSE_DEBUG(
"CreateDemuxerFromMimeType: "
"mFrameEndTimeBeforeRecreateDemuxer=%" PRId64,
mFrameEndTimeBeforeRecreateDemuxer.value());
}
mInputDemuxer = new WebMDemuxer(mCurrentInputBuffer, true /* IsMediaSource*/,
mFrameEndTimeBeforeRecreateDemuxer);
mFrameEndTimeBeforeRecreateDemuxer.reset();
return;
}
@ -825,6 +838,7 @@ TrackBuffersManager::CreateDemuxerforMIMEType()
if (mType.LowerCaseEqualsLiteral("video/mp4") ||
mType.LowerCaseEqualsLiteral("audio/mp4")) {
mInputDemuxer = new MP4Demuxer(mCurrentInputBuffer);
mFrameEndTimeBeforeRecreateDemuxer.reset();
return;
}
#endif
@ -1229,9 +1243,11 @@ void
TrackBuffersManager::OnVideoDemuxCompleted(RefPtr<MediaTrackDemuxer::SamplesHolder> aSamples)
{
MOZ_ASSERT(OnTaskQueue());
MSE_DEBUG("%d video samples demuxed", aSamples->mSamples.Length());
mVideoTracks.mDemuxRequest.Complete();
mVideoTracks.mQueuedSamples.AppendElements(aSamples->mSamples);
MSE_DEBUG("%zu video samples demuxed, queued-sz=%zu",
aSamples->mSamples.Length(),
mVideoTracks.mQueuedSamples.Length());
DoDemuxAudio();
}
@ -1472,6 +1488,9 @@ TrackBuffersManager::ProcessFrames(TrackBuffer& aSamples, TrackData& aTrackData)
if (trackBuffer.mNeedRandomAccessPoint) {
// 1. If the coded frame is not a random access point, then drop the coded frame and jump to the top of the loop to start processing the next coded frame.
if (!sample->mKeyframe) {
SAMPLE_DEBUGV("skipping sample [%" PRId64 ",%" PRId64 "]",
sample->mTime,
sample->GetEndTime());
continue;
}
// 2. Set the need random access point flag on track buffer to false.
@ -1532,6 +1551,7 @@ TrackBuffersManager::ProcessFrames(TrackBuffer& aSamples, TrackData& aTrackData)
// 3. Unset the last frame duration on all track buffers.
// 4. Unset the highest end timestamp on all track buffers.
// 5. Set the need random access point flag on all track buffers to true.
MSE_DEBUG("Resetting append state");
track->ResetAppendState();
}
// 6. Jump to the Loop Top step above to restart processing of the current coded frame.
@ -1930,10 +1950,12 @@ TrackBuffersManager::RecreateParser(bool aReuseInitData)
// we can optimize this part. TODO
mParser = ContainerParser::CreateForMIMEType(mType);
if (aReuseInitData && mInitData) {
MSE_DEBUG("Using existing init data to reset parser");
int64_t start, end;
mParser->ParseStartAndEndTimestamps(mInitData, start, end);
mProcessedInput = mInitData->Length();
} else {
MSE_DEBUG("Resetting parser, not reusing init data");
mProcessedInput = 0;
}
}