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-rw-r--r--dom/media/mediasource/TrackBuffersManager.cpp42
-rw-r--r--dom/media/mediasource/TrackBuffersManager.h2
2 files changed, 40 insertions, 4 deletions
diff --git a/dom/media/mediasource/TrackBuffersManager.cpp b/dom/media/mediasource/TrackBuffersManager.cpp
index c87fa239f1..58ba7c250b 100644
--- a/dom/media/mediasource/TrackBuffersManager.cpp
+++ b/dom/media/mediasource/TrackBuffersManager.cpp
@@ -922,7 +922,11 @@ void TrackBuffersManager::SegmentParserLoop() {
if (mNewMediaSegmentStarted) {
if (NS_SUCCEEDED(newData) && mLastParsedEndTime.isSome() &&
start < mLastParsedEndTime.ref()) {
- MSE_DEBUG("Re-creating demuxer");
+ MSE_DEBUG("Re-creating demuxer, new start (%" PRId64
+ ") is smaller than last parsed end time (%" PRId64 ")",
+ start.ToMicroseconds(),
+ mLastParsedEndTime->ToMicroseconds());
+ mFrameEndTimeBeforeRecreateDemuxer = Some(end);
ResetDemuxingState();
return;
}
@@ -1038,8 +1042,15 @@ void TrackBuffersManager::CreateDemuxerforMIMEType() {
if (mType.Type() == MEDIAMIMETYPE(VIDEO_WEBM) ||
mType.Type() == MEDIAMIMETYPE(AUDIO_WEBM)) {
- mInputDemuxer =
- new WebMDemuxer(mCurrentInputBuffer, true /* IsMediaSource*/);
+ if (mFrameEndTimeBeforeRecreateDemuxer) {
+ MSE_DEBUG(
+ "CreateDemuxerFromMimeType: "
+ "mFrameEndTimeBeforeRecreateDemuxer=%" PRId64,
+ mFrameEndTimeBeforeRecreateDemuxer->ToMicroseconds());
+ }
+ mInputDemuxer = new WebMDemuxer(mCurrentInputBuffer, true,
+ mFrameEndTimeBeforeRecreateDemuxer);
+ mFrameEndTimeBeforeRecreateDemuxer.reset();
DDLINKCHILD("demuxer", mInputDemuxer.get());
return;
}
@@ -1047,6 +1058,7 @@ void TrackBuffersManager::CreateDemuxerforMIMEType() {
if (mType.Type() == MEDIAMIMETYPE(VIDEO_MP4) ||
mType.Type() == MEDIAMIMETYPE(AUDIO_MP4)) {
mInputDemuxer = new MP4Demuxer(mCurrentInputBuffer);
+ mFrameEndTimeBeforeRecreateDemuxer.reset();
DDLINKCHILD("demuxer", mInputDemuxer.get());
return;
}
@@ -1625,9 +1637,11 @@ void TrackBuffersManager::MaybeDispatchEncryptedEvent(
void TrackBuffersManager::OnVideoDemuxCompleted(
const RefPtr<MediaTrackDemuxer::SamplesHolder>& aSamples) {
mTaskQueueCapability->AssertOnCurrentThread();
- MSE_DEBUG("%zu video samples demuxed", aSamples->GetSamples().Length());
mVideoTracks.mDemuxRequest.Complete();
mVideoTracks.mQueuedSamples.AppendElements(aSamples->GetSamples());
+ MSE_DEBUG("%zu video samples demuxed, queued-sz=%zu",
+ aSamples->GetSamples().Length(),
+ mVideoTracks.mQueuedSamples.Length());
MaybeDispatchEncryptedEvent(aSamples->GetSamples());
DoDemuxAudio();
@@ -1892,6 +1906,9 @@ void TrackBuffersManager::ProcessFrames(TrackBuffer& aSamples,
// coded frame.
if (!sample->mKeyframe) {
previouslyDroppedSample = nullptr;
+ SAMPLE_DEBUGV("skipping sample [%" PRId64 ",%" PRId64 "]",
+ sample->mTime.ToMicroseconds(),
+ sample->GetEndTime().ToMicroseconds());
continue;
}
// 2. Set the need random access point flag on track buffer to false.
@@ -1971,6 +1988,7 @@ void TrackBuffersManager::ProcessFrames(TrackBuffer& aSamples,
// 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
@@ -2553,10 +2571,12 @@ void TrackBuffersManager::RecreateParser(bool aReuseInitData) {
mParser = ContainerParser::CreateForMIMEType(mType);
DDLINKCHILD("parser", mParser.get());
if (aReuseInitData && mInitData) {
+ MSE_DEBUG("Using existing init data to reset parser");
TimeUnit start, end;
mParser->ParseStartAndEndTimestamps(MediaSpan(mInitData), start, end);
mProcessedInput = mInitData->Length();
} else {
+ MSE_DEBUG("Resetting parser, not reusing init data");
mProcessedInput = 0;
}
}
@@ -2843,12 +2863,20 @@ const MediaRawData* TrackBuffersManager::GetSample(TrackInfo::TrackType aTrack,
const TrackBuffer& track = GetTrackBuffer(aTrack);
if (aIndex >= track.Length()) {
+ MSE_DEBUGV(
+ "Can't get sample due to reaching to the end, index=%u, "
+ "length=%zu",
+ aIndex, track.Length());
// reached the end.
return nullptr;
}
if (!(aExpectedDts + aFuzz).IsValid() || !(aExpectedPts + aFuzz).IsValid()) {
// Time overflow, it seems like we also reached the end.
+ MSE_DEBUGV("Can't get sample due to time overflow, expectedPts=%" PRId64
+ ", aExpectedDts=%" PRId64 ", fuzz=%" PRId64,
+ aExpectedPts.ToMicroseconds(), aExpectedPts.ToMicroseconds(),
+ aFuzz.ToMicroseconds());
return nullptr;
}
@@ -2859,6 +2887,12 @@ const MediaRawData* TrackBuffersManager::GetSample(TrackInfo::TrackType aTrack,
return sample;
}
+ MSE_DEBUGV("Can't get sample due to big gap, sample=%" PRId64
+ ", expectedPts=%" PRId64 ", aExpectedDts=%" PRId64
+ ", fuzz=%" PRId64,
+ sample->mTime.ToMicroseconds(), aExpectedPts.ToMicroseconds(),
+ aExpectedPts.ToMicroseconds(), aFuzz.ToMicroseconds());
+
// Gap is too big. End of Stream or Waiting for Data.
// TODO, check that we have continuous data based on the sanitized buffered
// range instead.
diff --git a/dom/media/mediasource/TrackBuffersManager.h b/dom/media/mediasource/TrackBuffersManager.h
index c72f2f5453..0e9c857586 100644
--- a/dom/media/mediasource/TrackBuffersManager.h
+++ b/dom/media/mediasource/TrackBuffersManager.h
@@ -568,6 +568,8 @@ class TrackBuffersManager final
// mTaskQueue. However, there's special locking around mTaskQueue, so we keep
// both for now.
Maybe<EventTargetCapability<TaskQueue>> mTaskQueueCapability;
+
+ Maybe<media::TimeUnit> mFrameEndTimeBeforeRecreateDemuxer;
};
} // namespace mozilla