void MediaOmxCommonReader::CheckAudioOffload()
{
MOZ_ASSERT(OnTaskQueue());
char offloadProp[128];
property_get("audio.offload.disable", offloadProp, "0");
bool offloadDisable = atoi(offloadProp) != 0;
if (offloadDisable) {
return;
}
sp<MediaSource> audioOffloadTrack = GetAudioOffloadTrack();
sp<MetaData> meta = audioOffloadTrack.get()
? audioOffloadTrack->getFormat() : nullptr;
// Supporting audio offload only when there is no video, no streaming
bool hasNoVideo = !HasVideo();
bool isNotStreaming
= mDecoder->GetResource()->IsDataCachedToEndOfResource(0);
// Not much benefit in trying to offload other channel types. Most of them
// aren't supported and also duration would be less than a minute
bool isTypeMusic = mAudioChannel == dom::AudioChannel::Content;
DECODER_LOG(LogLevel::Debug, ("%s meta %p, no video %d, no streaming %d,"
" channel type %d", __FUNCTION__, meta.get(), hasNoVideo,
isNotStreaming, mAudioChannel));
if ((meta.get()) && hasNoVideo && isNotStreaming && isTypeMusic &&
canOffloadStream(meta, false, false, AUDIO_STREAM_MUSIC) &&
!IsMonoAudioEnabled()) {
DECODER_LOG(LogLevel::Debug, ("Can offload this audio stream"));
mDecoder->SetPlatformCanOffloadAudio(true);
}
}
void MediaOmxReader::CheckAudioOffload()
{
NS_ASSERTION(mDecoder->OnDecodeThread(), "Should be on decode thread.");
char offloadProp[128];
property_get("audio.offload.disable", offloadProp, "0");
bool offloadDisable = atoi(offloadProp) != 0;
if (offloadDisable) {
return;
}
mAudioOffloadTrack = mOmxDecoder->GetAudioOffloadTrack();
sp<MetaData> meta = (mAudioOffloadTrack.get()) ?
mAudioOffloadTrack->getFormat() : nullptr;
// Supporting audio offload only when there is no video, no streaming
bool hasNoVideo = !mOmxDecoder->HasVideo();
bool isNotStreaming
= mDecoder->GetResource()->IsDataCachedToEndOfResource(0);
// Not much benefit in trying to offload other channel types. Most of them
// aren't supported and also duration would be less than a minute
bool isTypeMusic = mAudioChannel == dom::AudioChannel::Content;
DECODER_LOG(PR_LOG_DEBUG, ("%s meta %p, no video %d, no streaming %d,"
" channel type %d", __FUNCTION__, meta.get(), hasNoVideo,
isNotStreaming, mAudioChannel));
if ((meta.get()) && hasNoVideo && isNotStreaming && isTypeMusic &&
canOffloadStream(meta, false, false, AUDIO_STREAM_MUSIC)) {
DECODER_LOG(PR_LOG_DEBUG, ("Can offload this audio stream"));
mDecoder->SetCanOffloadAudio(true);
}
}
