/* static */
already_AddRefed<PlatformDecoderModule>
PlatformDecoderModule::CreateCDMWrapper(CDMProxy* aProxy,
bool aHasAudio,
bool aHasVideo)
{
bool cdmDecodesAudio;
bool cdmDecodesVideo;
{
CDMCaps::AutoLock caps(aProxy->Capabilites());
cdmDecodesAudio = caps.CanDecryptAndDecodeAudio();
cdmDecodesVideo = caps.CanDecryptAndDecodeVideo();
}
nsRefPtr<PlatformDecoderModule> pdm;
if ((!cdmDecodesAudio && aHasAudio) || (!cdmDecodesVideo && aHasVideo)) {
// The CDM itself can't decode. We need to wrap a PDM to decode the
// decrypted output of the CDM.
pdm = Create();
if (!pdm) {
return nullptr;
}
}
nsRefPtr<PlatformDecoderModule> emepdm(
new AVCCDecoderModule(new EMEDecoderModule(aProxy,
pdm,
cdmDecodesAudio,
cdmDecodesVideo)));
return emepdm.forget();
}
/* static */
already_AddRefed<PlatformDecoderModule>
PlatformDecoderModule::CreateCDMWrapper(CDMProxy* aProxy)
{
bool cdmDecodesAudio;
bool cdmDecodesVideo;
{
CDMCaps::AutoLock caps(aProxy->Capabilites());
cdmDecodesAudio = caps.CanDecryptAndDecodeAudio();
cdmDecodesVideo = caps.CanDecryptAndDecodeVideo();
}
// We always create a default PDM in order to decode
// non-encrypted tracks.
RefPtr<PlatformDecoderModule> pdm = Create();
if (!pdm) {
return nullptr;
}
RefPtr<PlatformDecoderModule> emepdm(
new EMEDecoderModule(aProxy, pdm, cdmDecodesAudio, cdmDecodesVideo));
return emepdm.forget();
}