nsresult
GonkAudioDecoderManager::CreateAudioData(int64_t aStreamOffset, AudioData **v) {
if (!(mAudioBuffer != nullptr && mAudioBuffer->data() != nullptr)) {
GADM_LOG("Audio Buffer is not valid!");
return NS_ERROR_UNEXPECTED;
}
int64_t timeUs;
if (!mAudioBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
return NS_ERROR_UNEXPECTED;
}
if (mAudioBuffer->range_length() == 0) {
// Some decoders may return spurious empty buffers that we just want to ignore
// quoted from Android's AwesomePlayer.cpp
ReleaseAudioBuffer();
return NS_ERROR_NOT_AVAILABLE;
}
if (mLastDecodedTime > timeUs) {
ReleaseAudioBuffer();
GADM_LOG("Output decoded sample time is revert. time=%lld", timeUs);
MOZ_ASSERT(false);
return NS_ERROR_NOT_AVAILABLE;
}
mLastDecodedTime = timeUs;
const uint8_t *data = static_cast<const uint8_t*>(mAudioBuffer->data());
size_t dataOffset = mAudioBuffer->range_offset();
size_t size = mAudioBuffer->range_length();
nsAutoArrayPtr<AudioDataValue> buffer(new AudioDataValue[size/2]);
memcpy(buffer.get(), data+dataOffset, size);
uint32_t frames = size / (2 * mAudioChannels);
CheckedInt64 duration = FramesToUsecs(frames, mAudioRate);
if (!duration.isValid()) {
return NS_ERROR_UNEXPECTED;
}
nsRefPtr<AudioData> audioData = new AudioData(aStreamOffset,
timeUs,
duration.value(),
frames,
buffer.forget(),
mAudioChannels,
mAudioRate);
ReleaseAudioBuffer();
audioData.forget(v);
return NS_OK;
}
bool OmxDecoder::ReadAudio(AudioFrame *aFrame, int64_t aSeekTimeUs)
{
MOZ_ASSERT(aSeekTimeUs >= -1);
status_t err;
if (mAudioMetadataRead && aSeekTimeUs == -1) {
// Use the data read into the buffer during metadata time
err = OK;
}
else {
ReleaseAudioBuffer();
if (aSeekTimeUs != -1) {
ReadOptions options;
options.setSeekTo(aSeekTimeUs);
err = mAudioSource->read(&mAudioBuffer, &options);
} else {
err = mAudioSource->read(&mAudioBuffer);
}
}
mAudioMetadataRead = false;
aSeekTimeUs = -1;
if (err == OK && mAudioBuffer->range_length() != 0) {
int64_t timeUs;
if (!mAudioBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
LOG("no frame time");
return false;
}
if (timeUs < 0) {
LOG("frame time %lld must be nonnegative", timeUs);
return false;
}
return ToAudioFrame(aFrame, timeUs,
mAudioBuffer->data(),
mAudioBuffer->range_offset(),
mAudioBuffer->range_length(),
mAudioChannels, mAudioSampleRate);
}
else if (err == INFO_FORMAT_CHANGED) {
// If the format changed, update our cached info.
LOG("mAudioSource INFO_FORMAT_CHANGED");
if (!SetAudioFormat())
return false;
else
return ReadAudio(aFrame, aSeekTimeUs);
}
else if (err == ERROR_END_OF_STREAM) {
LOG("mAudioSource END_OF_STREAM");
}
else if (err != OK) {
LOG("mAudioSource ERROR %#x", err);
}
return err == OK;
}
OmxDecoder::~OmxDecoder()
{
ReleaseVideoBuffer();
ReleaseAudioBuffer();
if (mVideoSource.get()) {
mVideoSource->stop();
}
if (mAudioSource.get()) {
mAudioSource->stop();
}
#ifndef MOZ_ANDROID_HC
if (mColorConverter) {
delete mColorConverter;
}
#endif
}
