void SourceBuffer::AppendData(LargeDataBuffer* aData, double aTimestampOffset, uint32_t aUpdateID) { if (!mUpdating || aUpdateID != mUpdateID) { // The buffer append algorithm has been interrupted by abort(). // // If the sequence appendBuffer(), abort(), appendBuffer() occurs before // the first StopUpdating() runnable runs, then a second StopUpdating() // runnable will be scheduled, but still only one (the first) will queue // events. return; } MOZ_ASSERT(mMediaSource); MOZ_ASSERT(!mPendingAppend.Exists()); if (!aData->Length()) { StopUpdating(); return; } mPendingAppend.Begin(mTrackBuffer->AppendData(aData, aTimestampOffset * USECS_PER_S) ->RefableThen(NS_GetCurrentThread(), __func__, this, &SourceBuffer::AppendDataCompletedWithSuccess, &SourceBuffer::AppendDataErrored)); }
void SourceBuffer::AppendDataCompletedWithSuccess(SourceBufferTask::AppendBufferResult aResult) { MOZ_ASSERT(mUpdating); mPendingAppend.Complete(); if (aResult.first()) { if (!mActive) { mActive = true; mMediaSource->SourceBufferIsActive(this); } } if (mActive) { // Tell our parent decoder that we have received new data. mMediaSource->GetDecoder()->NotifyDataArrived(); // Send progress event. mMediaSource->GetDecoder()->NotifyBytesDownloaded(); } mCurrentAttributes = aResult.second(); CheckEndTime(); StopUpdating(); }
void SourceBuffer::AppendDataCompletedWithSuccess(bool aHasActiveTracks) { mPendingAppend.Complete(); if (!mUpdating) { // The buffer append algorithm has been interrupted by abort(). return; } if (aHasActiveTracks) { if (!mActive) { mActive = true; mMediaSource->SourceBufferIsActive(this); mMediaSource->QueueInitializationEvent(); if (mIsUsingFormatReader) { mMediaSource->GetDecoder()->NotifyWaitingForResourcesStatusChanged(); } } } if (mActive && mIsUsingFormatReader) { // Tell our parent decoder that we have received new data. // The information provided do not matter much so long as it is monotonically // increasing. mMediaSource->GetDecoder()->NotifyDataArrived(1, mReportedOffset++, /* aThrottleUpdates = */ false); // Send progress event. mMediaSource->GetDecoder()->NotifyBytesDownloaded(); } CheckEndTime(); StopUpdating(); }
void SourceBuffer::AppendDataCompletedWithSuccess(bool aHasActiveTracks) { mPendingAppend.Complete(); if (!mUpdating) { // The buffer append algorithm has been interrupted by abort(). return; } if (aHasActiveTracks) { if (!mActive) { mActive = true; mMediaSource->SourceBufferIsActive(this); } } if (mActive) { // Tell our parent decoder that we have received new data. mMediaSource->GetDecoder()->NotifyDataArrived(); // Send progress event. mMediaSource->GetDecoder()->NotifyBytesDownloaded(); } CheckEndTime(); StopUpdating(); }
void SourceBuffer::Remove(double aStart, double aEnd, ErrorResult& aRv) { if (!IsAttached() || mUpdating || mMediaSource->ReadyState() != MediaSourceReadyState::Open) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return; } if (aStart < 0 || aStart > mMediaSource->Duration() || aEnd <= aStart) { aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); return; } StartUpdating(); /// TODO: Run coded frame removal algorithm asynchronously (would call StopUpdating()). StopUpdating(); }
void SourceBuffer::AppendData(const uint8_t* aData, uint32_t aLength, ErrorResult& aRv) { if (!IsAttached() || mUpdating) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return; } if (mMediaSource->ReadyState() == MediaSourceReadyState::Ended) { mMediaSource->SetReadyState(MediaSourceReadyState::Open); } // TODO: Run coded frame eviction algorithm. // TODO: Test buffer full flag. MSE_DEBUG("%p Append(ArrayBuffer=%u)", this, aLength); StartUpdating(); // XXX: For future reference: NDA call must run on the main thread. mDecoder->NotifyDataArrived(reinterpret_cast<const char*>(aData), aLength, mDecoder->GetResource()->GetLength()); // TODO: Run buffer append algorithm asynchronously (would call StopUpdating()). mDecoder->GetResource()->AppendData(aData, aLength); // Eviction uses a byte threshold. If the buffer is greater than the // number of bytes then data is evicted. The time range for this // eviction is reported back to the media source. It will then // evict data before that range across all SourceBuffer's it knows // about. const int evict_threshold = 1000000; bool evicted = mDecoder->GetResource()->EvictData(evict_threshold); if (evicted) { double start = 0.0; double end = 0.0; GetBufferedStartEndTime(&start, &end); // We notify that we've evicted from the time range 0 through to // the current start point. mMediaSource->NotifyEvicted(0.0, start); } StopUpdating(); // Schedule the state machine thread to ensure playback starts // if required when data is appended. mMediaSource->GetDecoder()->ScheduleStateMachineThread(); }
void SourceBuffer::Remove(double aStart, double aEnd, ErrorResult& aRv) { MOZ_ASSERT(NS_IsMainThread()); MSE_API("SourceBuffer(%p)::Remove(aStart=%f, aEnd=%f)", this, aStart, aEnd); if (IsNaN(mMediaSource->Duration()) || aStart < 0 || aStart > mMediaSource->Duration() || aEnd <= aStart || IsNaN(aEnd)) { aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); return; } if (!IsAttached() || mUpdating || mMediaSource->ReadyState() != MediaSourceReadyState::Open) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return; } StartUpdating(); /// TODO: Run coded frame removal algorithm asynchronously (would call StopUpdating()). StopUpdating(); }
void SourceBuffer::AppendDataCompletedWithSuccess(bool aGotMedia) { mPendingAppend.Complete(); if (!mUpdating) { // The buffer append algorithm has been interrupted by abort(). return; } if (mTrackBuffer->HasInitSegment()) { if (!mActive) { mActive = true; mMediaSource->SourceBufferIsActive(this); mMediaSource->QueueInitializationEvent(); } } if (aGotMedia) { CheckEndTime(); } StopUpdating(); }
void SourceBuffer::AppendData(const uint8_t* aData, uint32_t aLength, ErrorResult& aRv) { MSE_DEBUG("SourceBuffer(%p)::AppendData(aLength=%u)", this, aLength); if (!IsAttached() || mUpdating) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return; } if (mMediaSource->ReadyState() == MediaSourceReadyState::Ended) { mMediaSource->SetReadyState(MediaSourceReadyState::Open); } // TODO: Run coded frame eviction algorithm. // TODO: Test buffer full flag. StartUpdating(); // TODO: Run buffer append algorithm asynchronously (would call StopUpdating()). if (mParser->IsInitSegmentPresent(aData, aLength)) { MSE_DEBUG("SourceBuffer(%p)::AppendData: New initialization segment.", this); if (mDecoderInitialized) { // Existing decoder has been used, time for a new one. DiscardDecoder(); } // If we've got a decoder here, it's not initialized, so we can use it // rather than creating a new one. if (!mDecoder && !InitNewDecoder()) { aRv.Throw(NS_ERROR_FAILURE); // XXX: Review error handling. return; } MSE_DEBUG("SourceBuffer(%p)::AppendData: Decoder marked as initialized.", this); mDecoderInitialized = true; } else if (!mDecoderInitialized) { MSE_DEBUG("SourceBuffer(%p)::AppendData: Non-init segment appended during initialization."); Optional<MediaSourceEndOfStreamError> decodeError(MediaSourceEndOfStreamError::Decode); ErrorResult dummy; mMediaSource->EndOfStream(decodeError, dummy); aRv.Throw(NS_ERROR_FAILURE); return; } // XXX: For future reference: NDA call must run on the main thread. mDecoder->NotifyDataArrived(reinterpret_cast<const char*>(aData), aLength, mDecoder->GetResource()->GetLength()); mDecoder->GetResource()->AppendData(aData, aLength); // Eviction uses a byte threshold. If the buffer is greater than the // number of bytes then data is evicted. The time range for this // eviction is reported back to the media source. It will then // evict data before that range across all SourceBuffers it knows // about. // TODO: Make the eviction threshold smaller for audio-only streams. // TODO: Drive evictions off memory pressure notifications. const uint32_t evict_threshold = 75 * (1 << 20); bool evicted = mDecoder->GetResource()->EvictData(evict_threshold); if (evicted) { MSE_DEBUG("SourceBuffer(%p)::AppendBuffer Evict; current buffered start=%f", this, GetBufferedStart()); // We notify that we've evicted from the time range 0 through to // the current start point. mMediaSource->NotifyEvicted(0.0, GetBufferedStart()); } StopUpdating(); // Schedule the state machine thread to ensure playback starts // if required when data is appended. mMediaSource->GetDecoder()->ScheduleStateMachineThread(); mMediaSource->NotifyGotData(); }