already_AddRefed<MediaDataDecoder>
EMEDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
{
MOZ_ASSERT(aParams.mConfig.mCrypto.mValid);
if (SupportsMimeType(aParams.mConfig.mMimeType, nullptr)) {
// GMP decodes. Assume that means it can decrypt too.
RefPtr<MediaDataDecoderProxy> wrapper =
CreateDecoderWrapper(aParams.mCallback, mProxy, aParams.mTaskQueue);
auto params = GMPVideoDecoderParams(aParams).WithCallback(wrapper);
wrapper->SetProxyTarget(new EMEVideoDecoder(mProxy, params));
return wrapper.forget();
}
MOZ_ASSERT(mPDM);
RefPtr<MediaDataDecoder> decoder(mPDM->CreateDecoder(aParams));
if (!decoder) {
return nullptr;
}
RefPtr<MediaDataDecoder> emeDecoder(new EMEDecryptor(decoder,
aParams.mCallback,
mProxy,
AbstractThread::GetCurrent()->AsTaskQueue()));
return emeDecoder.forget();
}
EMEVideoDecoder::EMEVideoDecoder(CDMProxy* aProxy,
const GMPVideoDecoderParams& aParams)
: GMPVideoDecoder(GMPVideoDecoderParams(aParams).WithAdapter(
new EMEVideoCallbackAdapter(aParams.mCallback,
VideoInfo(aParams.mConfig.mDisplay),
aParams.mImageContainer)))
, mProxy(aProxy)
{}
already_AddRefed<MediaDataDecoder>
GMPDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
{
if (!MP4Decoder::IsH264(aParams.mConfig.mMimeType) &&
!VPXDecoder::IsVP8(aParams.mConfig.mMimeType) &&
!VPXDecoder::IsVP9(aParams.mConfig.mMimeType)) {
return nullptr;
}
if (aParams.mDiagnostics) {
const Maybe<nsCString> preferredGMP = PreferredGMP(aParams.mConfig.mMimeType);
if (preferredGMP.isSome()) {
aParams.mDiagnostics->SetGMP(preferredGMP.value());
}
}
RefPtr<MediaDataDecoderProxy> wrapper = CreateDecoderWrapper(aParams.mCallback);
auto params = GMPVideoDecoderParams(aParams).WithCallback(wrapper);
wrapper->SetProxyTarget(new GMPVideoDecoder(params));
return wrapper.forget();
}
