nsresult MediaOmxReader::ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags)
{
NS_ASSERTION(mDecoder->OnDecodeThread(), "Should be on decode thread.");
EnsureActive();
*aTags = nullptr;
// Initialize the internal OMX Decoder.
nsresult rv = InitOmxDecoder();
if (NS_FAILED(rv)) {
return rv;
}
bool isMP3 = mDecoder->GetResource()->GetContentType().EqualsASCII(AUDIO_MP3);
if (isMP3) {
// When read sdcard's file on b2g platform at constructor,
// the mDecoder->GetResource()->GetLength() would return -1.
// Delay set the total duration on this function.
mMP3FrameParser.SetLength(mDecoder->GetResource()->GetLength());
ProcessCachedData(0, true);
}
if (!mOmxDecoder->AllocateMediaResources()) {
return NS_ERROR_FAILURE;
}
// Bug 1050667, both MediaDecoderStateMachine and MediaOmxReader
// relies on IsWaitingMediaResources() function. And the waiting state will be
// changed by binder thread, so we store the waiting state in a cache value to
// make them in consistent state.
UpdateIsWaitingMediaResources();
if (IsWaitingMediaResources()) {
return NS_OK;
}
// After resources are available, set the metadata.
if (!mOmxDecoder->EnsureMetadata()) {
return NS_ERROR_FAILURE;
}
if (isMP3 && mMP3FrameParser.IsMP3()) {
int64_t duration = mMP3FrameParser.GetDuration();
// The MP3FrameParser may reported a duration;
// return -1 if no frame has been parsed.
if (duration >= 0) {
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mUseParserDuration = true;
mLastParserDuration = duration;
mDecoder->SetMediaDuration(mLastParserDuration);
}
} else {
// Set the total duration (the max of the audio and video track).
int64_t durationUs;
mOmxDecoder->GetDuration(&durationUs);
if (durationUs) {
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mDecoder->SetMediaDuration(durationUs);
}
}
if (mOmxDecoder->HasVideo()) {
int32_t displayWidth, displayHeight, width, height;
mOmxDecoder->GetVideoParameters(&displayWidth, &displayHeight,
&width, &height);
nsIntRect pictureRect(0, 0, width, height);
// Validate the container-reported frame and pictureRect sizes. This ensures
// that our video frame creation code doesn't overflow.
nsIntSize displaySize(displayWidth, displayHeight);
nsIntSize frameSize(width, height);
if (!IsValidVideoRegion(frameSize, pictureRect, displaySize)) {
return NS_ERROR_FAILURE;
}
// Video track's frame sizes will not overflow. Activate the video track.
mHasVideo = mInfo.mVideo.mHasVideo = true;
mInfo.mVideo.mDisplay = displaySize;
mPicture = pictureRect;
mInitialFrame = frameSize;
VideoFrameContainer* container = mDecoder->GetVideoFrameContainer();
if (container) {
container->SetCurrentFrame(gfxIntSize(displaySize.width, displaySize.height),
nullptr,
mozilla::TimeStamp::Now());
}
}
if (mOmxDecoder->HasAudio()) {
int32_t numChannels, sampleRate;
mOmxDecoder->GetAudioParameters(&numChannels, &sampleRate);
mHasAudio = mInfo.mAudio.mHasAudio = true;
mInfo.mAudio.mChannels = numChannels;
mInfo.mAudio.mRate = sampleRate;
}
*aInfo = mInfo;
#ifdef MOZ_AUDIO_OFFLOAD
CheckAudioOffload();
#endif
return NS_OK;
}
nsresult MediaOmxReader::ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags)
{
NS_ASSERTION(mDecoder->OnDecodeThread(), "Should be on decode thread.");
EnsureActive();
*aTags = nullptr;
// Initialize the internal OMX Decoder.
nsresult rv = InitOmxDecoder();
if (NS_FAILED(rv)) {
return rv;
}
if (!mOmxDecoder->TryLoad()) {
return NS_ERROR_FAILURE;
}
#ifdef MOZ_AUDIO_OFFLOAD
CheckAudioOffload();
#endif
if (IsWaitingMediaResources()) {
return NS_OK;
}
// Set the total duration (the max of the audio and video track).
int64_t durationUs;
mOmxDecoder->GetDuration(&durationUs);
if (durationUs) {
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mDecoder->SetMediaDuration(durationUs);
}
if (mOmxDecoder->HasVideo()) {
int32_t displayWidth, displayHeight, width, height;
mOmxDecoder->GetVideoParameters(&displayWidth, &displayHeight,
&width, &height);
nsIntRect pictureRect(0, 0, width, height);
// Validate the container-reported frame and pictureRect sizes. This ensures
// that our video frame creation code doesn't overflow.
nsIntSize displaySize(displayWidth, displayHeight);
nsIntSize frameSize(width, height);
if (!IsValidVideoRegion(frameSize, pictureRect, displaySize)) {
return NS_ERROR_FAILURE;
}
// Video track's frame sizes will not overflow. Activate the video track.
mHasVideo = mInfo.mVideo.mHasVideo = true;
mInfo.mVideo.mDisplay = displaySize;
mPicture = pictureRect;
mInitialFrame = frameSize;
VideoFrameContainer* container = mDecoder->GetVideoFrameContainer();
if (container) {
container->SetCurrentFrame(gfxIntSize(displaySize.width, displaySize.height),
nullptr,
mozilla::TimeStamp::Now());
}
}
if (mOmxDecoder->HasAudio()) {
int32_t numChannels, sampleRate;
mOmxDecoder->GetAudioParameters(&numChannels, &sampleRate);
mHasAudio = mInfo.mAudio.mHasAudio = true;
mInfo.mAudio.mChannels = numChannels;
mInfo.mAudio.mRate = sampleRate;
}
*aInfo = mInfo;
return NS_OK;
}
nsresult
MP4Reader::ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags)
{
if (!mDemuxerInitialized) {
MonitorAutoLock mon(mDemuxerMonitor);
bool ok = InvokeAndRetry(this, &MP4Reader::InitDemuxer, mStream, &mDemuxerMonitor);
NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
mIndexReady = true;
// To decode, we need valid video and a place to put it.
mVideo.mActive = mDemuxer->HasValidVideo() && mDecoder->GetImageContainer();
if (mVideo.mActive) {
mVideo.mTrackDemuxer = new MP4VideoDemuxer(mDemuxer);
}
mAudio.mActive = mDemuxer->HasValidAudio();
if (mAudio.mActive) {
mAudio.mTrackDemuxer = new MP4AudioDemuxer(mDemuxer);
}
mCrypto = mDemuxer->Crypto();
{
MonitorAutoUnlock unlock(mDemuxerMonitor);
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mIsEncrypted = mCrypto.valid;
}
// Remember that we've initialized the demuxer, so that if we're decoding
// an encrypted stream and we need to wait for a CDM to be set, we don't
// need to reinit the demuxer.
mDemuxerInitialized = true;
} else if (mPlatform && !IsWaitingMediaResources()) {
*aInfo = mInfo;
*aTags = nullptr;
}
if (HasAudio()) {
mInfo.mAudio = mDemuxer->AudioConfig();
mAudio.mCallback = new DecoderCallback(this, TrackInfo::kAudioTrack);
}
if (HasVideo()) {
mInfo.mVideo = mDemuxer->VideoConfig();
mVideo.mCallback = new DecoderCallback(this, TrackInfo::kVideoTrack);
// Collect telemetry from h264 AVCC SPS.
if (!mFoundSPSForTelemetry) {
mFoundSPSForTelemetry = AccumulateSPSTelemetry(mInfo.mVideo.mExtraData);
}
}
if (mCrypto.valid) {
nsTArray<uint8_t> initData;
ExtractCryptoInitData(initData);
if (initData.Length() == 0) {
return NS_ERROR_FAILURE;
}
// Add init data to info, will get sent from HTMLMediaElement::MetadataLoaded
// (i.e., when transitioning from HAVE_NOTHING to HAVE_METADATA).
mInfo.mCrypto.AddInitData(NS_LITERAL_STRING("cenc"), Move(initData));
}
// Get the duration, and report it to the decoder if we have it.
Microseconds duration;
{
MonitorAutoLock lock(mDemuxerMonitor);
duration = mDemuxer->Duration();
}
if (duration != -1) {
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mDecoder->SetMediaDuration(duration);
}
*aInfo = mInfo;
*aTags = nullptr;
if (!IsWaitingOnCDMResource()) {
NS_ENSURE_TRUE(EnsureDecodersSetup(), NS_ERROR_FAILURE);
}
MonitorAutoLock mon(mDemuxerMonitor);
UpdateIndex();
return NS_OK;
}
