nsresult
GMPAudioDecoderParent::InitDecode(GMPAudioCodecType aCodecType,
uint32_t aChannelCount,
uint32_t aBitsPerChannel,
uint32_t aSamplesPerSecond,
nsTArray<uint8_t>& aExtraData,
GMPAudioDecoderCallbackProxy* aCallback)
{
if (mIsOpen) {
NS_WARNING("Trying to re-init an in-use GMP audio decoder!");
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread());
if (!aCallback) {
return NS_ERROR_FAILURE;
}
mCallback = aCallback;
GMPAudioCodecData data;
data.mCodecType() = aCodecType;
data.mChannelCount() = aChannelCount;
data.mBitsPerChannel() = aBitsPerChannel;
data.mSamplesPerSecond() = aSamplesPerSecond;
data.mExtraData() = aExtraData;
if (!SendInitDecode(data)) {
return NS_ERROR_FAILURE;
}
mIsOpen = true;
// Async IPC, we don't have access to a return value.
return NS_OK;
}
bool
GMPAudioDecoderChild::RecvInitDecode(const GMPAudioCodecData& a)
{
MOZ_ASSERT(mAudioDecoder);
if (!mAudioDecoder) {
return false;
}
GMPAudioCodec codec;
codec.mCodecType = a.mCodecType();
codec.mChannelCount = a.mChannelCount();
codec.mBitsPerChannel = a.mBitsPerChannel();
codec.mSamplesPerSecond = a.mSamplesPerSecond();
codec.mExtraData = a.mExtraData().Elements();
codec.mExtraDataLen = a.mExtraData().Length();
// Ignore any return code. It is OK for this to fail without killing the process.
mAudioDecoder->InitDecode(codec, this);
return true;
}