MediaDataDecoderProxy.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* 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/. */

#if !defined(MediaDataDecoderProxy_h_)

#  define MediaDataDecoderProxy_h_

#  include "PlatformDecoderModule.h"

#  include "mozilla/Atomics.h"

#  include "mozilla/RefPtr.h"

#  include "nsThreadUtils.h"

#  include "nscore.h"

namespace mozilla {

DDLoggedTypeDeclNameAndBase(MediaDataDecoderProxy, MediaDataDecoder);

class MediaDataDecoderProxy

    : public MediaDataDecoder,

      public DecoderDoctorLifeLogger<MediaDataDecoderProxy> {

 public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MediaDataDecoderProxy, final);

  explicit MediaDataDecoderProxy(

      already_AddRefed<MediaDataDecoder> aProxyDecoder,

      already_AddRefed<nsISerialEventTarget> aProxyThread = nullptr)

      : mProxyDecoder(aProxyDecoder), mProxyThread(aProxyThread) {

    DDLINKCHILD("proxy decoder", mProxyDecoder.get());

  RefPtr<InitPromise> Init() override;

  RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;

  bool CanDecodeBatch() const override;

  RefPtr<DecodePromise> DecodeBatch(

      nsTArray<RefPtr<MediaRawData>>&& aSamples) override;

  RefPtr<DecodePromise> Drain() override;

  RefPtr<FlushPromise> Flush() override;

  RefPtr<ShutdownPromise> Shutdown() override;

  bool IsHardwareAccelerated(nsACString& aFailureReason) const override;

  nsCString GetDescriptionName() const override;

  nsCString GetProcessName() const override;

  nsCString GetCodecName() const override;

  void SetSeekThreshold(const media::TimeUnit& aTime) override;

  bool SupportDecoderRecycling() const override;

  bool ShouldDecoderAlwaysBeRecycled() const override;

  ConversionRequired NeedsConversion() const override;

 protected:

  ~MediaDataDecoderProxy() = default;

 private:

  // Set on construction and clear on the proxy thread if set.

  RefPtr<MediaDataDecoder> mProxyDecoder;

  const nsCOMPtr<nsISerialEventTarget> mProxyThread;

#  if defined(DEBUG)

  Atomic<bool> mIsShutdown = Atomic<bool>(false);

#  endif

};

}  // namespace mozilla

#endif  // MediaDataDecoderProxy_h_