nsresult WaveReader::ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags)
{
MOZ_ASSERT(OnTaskQueue());
bool loaded = LoadRIFFChunk();
if (!loaded) {
return NS_ERROR_FAILURE;
}
nsAutoPtr<dom::HTMLMediaElement::MetadataTags> tags;
bool loadAllChunks = LoadAllChunks(tags);
if (!loadAllChunks) {
return NS_ERROR_FAILURE;
}
mInfo.mAudio.mRate = mSampleRate;
mInfo.mAudio.mChannels = mChannels;
mInfo.mMetadataDuration.emplace(TimeUnit::FromSeconds(BytesToTime(GetDataLength())));
*aInfo = mInfo;
*aTags = tags.forget();
return NS_OK;
}
nsresult WaveReader::ReadMetadata(VideoInfo* aInfo,
MetadataTags** aTags)
{
NS_ASSERTION(mDecoder->OnDecodeThread(), "Should be on decode thread.");
bool loaded = LoadRIFFChunk();
if (!loaded) {
return NS_ERROR_FAILURE;
}
nsAutoPtr<nsHTMLMediaElement::MetadataTags> tags;
bool loadAllChunks = LoadAllChunks(tags);
if (!loadAllChunks) {
return NS_ERROR_FAILURE;
}
mInfo.mHasAudio = true;
mInfo.mHasVideo = false;
mInfo.mAudioRate = mSampleRate;
mInfo.mAudioChannels = mChannels;
*aInfo = mInfo;
*aTags = tags.forget();
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mDecoder->SetMediaDuration(
static_cast<int64_t>(BytesToTime(GetDataLength()) * USECS_PER_S));
return NS_OK;
}
