MFMediaEngineDecoderModule.h

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/* 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 DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEDECODERMODULE_H

#define DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEDECODERMODULE_H

#include "PlatformDecoderModule.h"

#include "WMFUtils.h"

namespace mozilla {

// MFMediaEngineDecoderModule is used for the media engine playback, which only

// supports hardware decoding.

class MFMediaEngineDecoderModule final : public PlatformDecoderModule {

 public:

  static void Init();

  static already_AddRefed<PlatformDecoderModule> Create();

  // Used in the content process to query if the config is supported or not.

  // If in the MFCDM process, should use SupportsMimeType or Supports instead.

  static bool SupportsConfig(const TrackInfo& aConfig);

  already_AddRefed<MediaDataDecoder> CreateVideoDecoder(

      const CreateDecoderParams& aParams) override;

  already_AddRefed<MediaDataDecoder> CreateAudioDecoder(

      const CreateDecoderParams& aParams) override;

  media::DecodeSupportSet SupportsMimeType(

      const nsACString& aMimeType,

      DecoderDoctorDiagnostics* aDiagnostics) const override;

  media::DecodeSupportSet Supports(

      const SupportDecoderParams& aParams,

      DecoderDoctorDiagnostics* aDiagnostics) const override;

 private:

  media::DecodeSupportSet SupportInternal(

      const SupportDecoderParams& aParams,

      DecoderDoctorDiagnostics* aDiagnostics) const;

  bool CanCreateMFTDecoder(const WMFStreamType& aType) const;

  MFMediaEngineDecoderModule() = default;

  ~MFMediaEngineDecoderModule() = default;

};

}  // namespace mozilla

#endif  // DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEDECODERMODULE_H