gecko-dev/dom/media/ipc/GpuDecoderModule.h

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1.7 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef include_dom_media_ipc_GpuDecoderModule_h
#define include_dom_media_ipc_GpuDecoderModule_h
#include "PlatformDecoderModule.h"
#include "MediaData.h"
namespace mozilla {
// A PDM implementation that creates a RemoteMediaDataDecoder (a
// MediaDataDecoder) that proxies to a VideoDecoderChild. The
// VideoDecoderChild will talk to a VideoDecoderParent running on the
// GPU process.
// We currently require a 'wrapped' PDM in order to be able to answer
// SupportsMimeType and DecoderNeedsConversion. Ideally we'd check these
// over IPDL using the manager protocol
class GpuDecoderModule : public PlatformDecoderModule {
public:
explicit GpuDecoderModule(PlatformDecoderModule* aWrapped)
: mWrapped(aWrapped) {}
nsresult Startup() override;
bool SupportsMimeType(const nsACString& aMimeType,
DecoderDoctorDiagnostics* aDiagnostics) const override;
bool Supports(const TrackInfo& aTrackInfo,
DecoderDoctorDiagnostics* aDiagnostics) const override;
already_AddRefed<MediaDataDecoder> CreateVideoDecoder(
const CreateDecoderParams& aParams) override;
already_AddRefed<MediaDataDecoder> CreateAudioDecoder(
const CreateDecoderParams& aParams) override {
return nullptr;
}
private:
RefPtr<PlatformDecoderModule> mWrapped;
};
} // namespace mozilla
#endif // include_dom_media_ipc_GpuDecoderModule_h