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Backed out 1 changesets (bug 1207915) for windows m3 test failures

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Backed out changeset 84fd96dc7ddc (bug 1207915)
This commit is contained in:
Carsten "Tomcat" Book 2015-09-24 11:44:25 +02:00
parent 4890f364b1
commit 478b2883ea
1 changed files with 10 additions and 10 deletions
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20
dom/media/mediasink/DecodedStream.cpp
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@ -605,9 +605,6 @@ SendStreamAudio(DecodedStreamData* aStream, int64_t aStartTime,
MediaData* aData, AudioSegment* aOutput,
uint32_t aRate, double aVolume)
{
// The amount of audio frames that is used to fuzz rounding errors.
static const int64_t AUDIO_FUZZ_FRAMES = 1;
MOZ_ASSERT(aData);
AudioData* audio = aData->As<AudioData>();
// This logic has to mimic AudioSink closely to make sure we write
@ -619,11 +616,11 @@ SendStreamAudio(DecodedStreamData* aStream, int64_t aStartTime,
if (!audioWrittenOffset.isValid() ||
!frameOffset.isValid() ||
// ignore packet that we've already processed
frameOffset.value() < audioWrittenOffset.value()) {
frameOffset.value() + audio->mFrames <= audioWrittenOffset.value()) {
return;
}
if (audioWrittenOffset.value() + AUDIO_FUZZ_FRAMES < frameOffset.value()) {
if (audioWrittenOffset.value() < frameOffset.value()) {
int64_t silentFrames = frameOffset.value() - audioWrittenOffset.value();
// Write silence to catch up
AudioSegment silence;
@ -633,17 +630,20 @@ SendStreamAudio(DecodedStreamData* aStream, int64_t aStartTime,
aOutput->AppendFrom(&silence);
}
// Always write the whole sample without truncation to be consistent with
// DecodedAudioDataSink::PlayFromAudioQueue()
MOZ_ASSERT(audioWrittenOffset.value() >= frameOffset.value());
int64_t offset = audioWrittenOffset.value() - frameOffset.value();
size_t framesToWrite = audio->mFrames - offset;
audio->EnsureAudioBuffer();
nsRefPtr<SharedBuffer> buffer = audio->mAudioBuffer;
AudioDataValue* bufferData = static_cast<AudioDataValue*>(buffer->Data());
nsAutoTArray<const AudioDataValue*, 2> channels;
for (uint32_t i = 0; i < audio->mChannels; ++i) {
channels.AppendElement(bufferData + i * audio->mFrames);
channels.AppendElement(bufferData + i * audio->mFrames + offset);
}
aOutput->AppendFrames(buffer.forget(), channels, audio->mFrames);
aStream->mAudioFramesWritten += audio->mFrames;
aOutput->AppendFrames(buffer.forget(), channels, framesToWrite);
aStream->mAudioFramesWritten += framesToWrite;
aOutput->ApplyVolume(aVolume);
aStream->mNextAudioTime = audio->GetEndTime();