already_AddRefed<MediaDataDecoder>
EMEDecoderModule::CreateAudioDecoder(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 gmpParams = GMPAudioDecoderParams(aParams).WithCallback(wrapper);
wrapper->SetProxyTarget(new EMEAudioDecoder(mProxy, gmpParams));
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();
}
bool
GMPDecoderModule::SupportsMimeType(const nsACString& aMimeType,
DecoderDoctorDiagnostics* aDiagnostics) const
{
const Maybe<nsCString> preferredGMP = PreferredGMP(aMimeType);
bool rv = SupportsMimeType(aMimeType, preferredGMP);
if (rv && aDiagnostics && preferredGMP.isSome()) {
aDiagnostics->SetGMP(preferredGMP.value());
}
return rv;
}
bool
Model::IsDropTarget(const Model* forDocument, bool traverse) const
{
switch (CanHandleDrops()) {
case kCanHandle:
return true;
case kCannotHandle:
return false;
default:
break;
}
if (forDocument == NULL)
return true;
if (traverse) {
BEntry entry(forDocument->EntryRef(), true);
if (entry.InitCheck() != B_OK)
return false;
BFile file(&entry, O_RDONLY);
BNodeInfo mime(&file);
if (mime.InitCheck() != B_OK)
return false;
char mimeType[B_MIME_TYPE_LENGTH];
mime.GetType(mimeType);
return SupportsMimeType(mimeType, 0) != kDoesNotSupportType;
}
// do some mime-based matching
const char* documentMimeType = forDocument->MimeType();
if (documentMimeType == NULL)
return false;
return SupportsMimeType(documentMimeType, 0) != kDoesNotSupportType;
}
already_AddRefed<MediaDataDecoder>
PlatformDecoderModule::CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
nsRefPtr<MediaDataDecoder> m;
bool hasPlatformDecoder = SupportsMimeType(aConfig.mMimeType);
if (aConfig.GetAsAudioInfo()) {
if (!hasPlatformDecoder && VorbisDataDecoder::IsVorbis(aConfig.mMimeType)) {
m = new VorbisDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && OpusDataDecoder::IsOpus(aConfig.mMimeType)) {
m = new OpusDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else {
m = CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
}
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
if (H264Converter::IsH264(aConfig)) {
m = new H264Converter(this,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && VPXDecoder::IsVPX(aConfig.mMimeType)) {
m = new VPXDecoder(*aConfig.GetAsVideoInfo(),
aImageContainer,
aTaskQueue,
aCallback);
} else {
m = CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
aCallback);
}
return m.forget();
}
bool
Model::IsDropTargetForList(const BObjectList<BString> *list) const
{
switch (CanHandleDrops()) {
case kCanHandle:
return true;
case kCannotHandle:
return false;
default:
break;
}
return SupportsMimeType(0, list) != kDoesNotSupportType;
}
already_AddRefed<MediaDataDecoder>
PlatformDecoderModule::CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
RefPtr<MediaDataDecoder> m;
bool hasPlatformDecoder = SupportsMimeType(aConfig.mMimeType);
if (aConfig.GetAsAudioInfo()) {
if (!hasPlatformDecoder && VorbisDataDecoder::IsVorbis(aConfig.mMimeType)) {
m = new VorbisDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && OpusDataDecoder::IsOpus(aConfig.mMimeType)) {
m = new OpusDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else {
m = CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
}
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
MediaDataDecoderCallback* callback = aCallback;
RefPtr<DecoderCallbackFuzzingWrapper> callbackWrapper;
if (sEnableFuzzingWrapper) {
callbackWrapper = new DecoderCallbackFuzzingWrapper(aCallback);
callbackWrapper->SetVideoOutputMinimumInterval(
TimeDuration::FromMilliseconds(sVideoOutputMinimumInterval_ms));
callbackWrapper->SetDontDelayInputExhausted(sDontDelayInputExhausted);
callback = callbackWrapper.get();
}
if (H264Converter::IsH264(aConfig)) {
RefPtr<H264Converter> h
= new H264Converter(this,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
const nsresult rv = h->GetLastError();
if (NS_SUCCEEDED(rv) || rv == NS_ERROR_NOT_INITIALIZED) {
// The H264Converter either successfully created the wrapped decoder,
// or there wasn't enough AVCC data to do so. Otherwise, there was some
// problem, for example WMF DLLs were missing.
m = h.forget();
}
} else if (!hasPlatformDecoder && VPXDecoder::IsVPX(aConfig.mMimeType)) {
m = new VPXDecoder(*aConfig.GetAsVideoInfo(),
aImageContainer,
aTaskQueue,
callback);
} else {
m = CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
}
if (callbackWrapper && m) {
m = new DecoderFuzzingWrapper(m.forget(), callbackWrapper.forget());
}
return m.forget();
}
already_AddRefed<MediaDataDecoder>
PlatformDecoderModule::CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
nsRefPtr<MediaDataDecoder> m;
bool hasPlatformDecoder = SupportsMimeType(aConfig.mMimeType);
if (aConfig.GetAsAudioInfo()) {
if (!hasPlatformDecoder && VorbisDataDecoder::IsVorbis(aConfig.mMimeType)) {
m = new VorbisDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && OpusDataDecoder::IsOpus(aConfig.mMimeType)) {
m = new OpusDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else {
m = CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
}
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
MediaDataDecoderCallback* callback = aCallback;
nsRefPtr<DecoderCallbackFuzzingWrapper> callbackWrapper;
if (sEnableFuzzingWrapper) {
callbackWrapper = new DecoderCallbackFuzzingWrapper(aCallback);
callbackWrapper->SetVideoOutputMinimumInterval(
TimeDuration::FromMilliseconds(sVideoOutputMinimumInterval_ms));
callbackWrapper->SetDontDelayInputExhausted(sDontDelayInputExhausted);
callback = callbackWrapper.get();
}
if (H264Converter::IsH264(aConfig)) {
m = new H264Converter(this,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
} else if (!hasPlatformDecoder && VPXDecoder::IsVPX(aConfig.mMimeType)) {
m = new VPXDecoder(*aConfig.GetAsVideoInfo(),
aImageContainer,
aTaskQueue,
callback);
} else {
m = CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
}
if (callbackWrapper && m) {
m = new DecoderFuzzingWrapper(m.forget(), callbackWrapper.forget());
}
return m.forget();
}
bool
GMPDecoderModule::SupportsMimeType(const nsACString& aMimeType)
{
return SupportsMimeType(aMimeType, PreferredGMP(aMimeType));
}
