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Issue #1820 - Part 8: Check bit depth in PDM::Supports.

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Moonchild 2022-04-27 16:08:36 +00:00 • committed by roytam1
commit 009fb3146f
3 changed files with 38 additions and 4 deletions
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17
dom/media/platforms/PlatformDecoderModule.h
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@ -129,9 +129,11 @@ public:
virtual bool Supports(const TrackInfo& aTrackInfo,
DecoderDoctorDiagnostics* aDiagnostics) const
{
// By default, fall back to SupportsMimeType with just the MIME string.
// (So PDMs do not need to override this method -- yet.)
return SupportsMimeType(aTrackInfo.mMimeType, aDiagnostics);
if (!SupportsMimeType(aTrackInfo.mMimeType, aDiagnostics)) {
return false;
}
const auto videoInfo = aTrackInfo.GetAsVideoInfo();
return !videoInfo || SupportsBitDepth(videoInfo->mBitDepth, aDiagnostics);
}
enum class ConversionRequired : uint8_t {
@ -153,6 +155,15 @@ protected:
friend class PDMFactory;
friend class dom::RemoteDecoderModule;
// Indicates if the PlatformDecoderModule supports decoding of aBitDepth.
// Should override this method when the platform can support bitDepth != 8.
virtual bool SupportsBitDepth(const uint8_t aBitDepth,
DecoderDoctorDiagnostics* aDiagnostics) const
{
return aBitDepth == 8;
}
// Creates a Video decoder. The layers backend is passed in so that
// decoders can determine whether hardware accelerated decoding can be used.
// Asynchronous decoding of video should be done in runnables dispatched