RemoteMediaDataEncoderChild.h

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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_RemoteMediaDataEncoderChild_h

#define include_dom_media_ipc_RemoteMediaDataEncoderChild_h

#include <functional>

#include "mozilla/MediaActorUtils.h"

#include "mozilla/PRemoteEncoderChild.h"

#include "mozilla/RemoteMediaManagerChild.h"

#include "mozilla/ShmemRecycleAllocator.h"

#include "PlatformEncoderModule.h"

namespace mozilla {

class RemoteMediaManagerChild;

class RemoteMediaDataEncoderChild final

    : public ShmemRecycleAllocator<RemoteMediaDataEncoderChild>,

      public PRemoteEncoderChild,

      public MediaDataEncoder {

  friend class PRemoteEncoderChild;

 public:

  MEDIA_INLINE_DECL_THREADSAFE_REFCOUNTING_META(RemoteMediaDataEncoderChild,

                                                NS_IMETHOD_, delete(this),

                                                MaybeDestroyActor(), final);

  RemoteMediaDataEncoderChild(nsCOMPtr<nsISerialEventTarget>&& aThread,

                              RemoteMediaIn aLocation);

  nsISerialEventTarget* GetManagerThread() const { return mThread; }

  RemoteMediaIn GetLocation() const { return mLocation; }

  RefPtr<PlatformEncoderModule::CreateEncoderPromise> Construct();

  void ActorDestroy(ActorDestroyReason aWhy) override;

  // MediaDataEncoder

  RefPtr<MediaDataEncoder::InitPromise> Init() override;

  RefPtr<MediaDataEncoder::EncodePromise> Encode(

      const MediaData* aSample) override;

  RefPtr<MediaDataEncoder::EncodePromise> Drain() override;

  RefPtr<MediaDataEncoder::ReconfigurationPromise> Reconfigure(

      const RefPtr<const EncoderConfigurationChangeList>& aConfigurationChanges)

      override;

  RefPtr<mozilla::ShutdownPromise> Shutdown() override;

  bool IsHardwareAccelerated(nsACString& aFailureReason) const override;

  nsCString GetDescriptionName() const override;

  RefPtr<GenericPromise> SetBitrate(uint32_t aBitsPerSec) override;

 private:

  virtual ~RemoteMediaDataEncoderChild();

  RemoteMediaManagerChild* GetManager();

  virtual RefPtr<PRemoteEncoderChild::EncodePromise> DoSendEncode(

      const MediaData* aSample, ShmemRecycleTicket* aTicket);

  void MaybeDestroyActor();

  const nsCOMPtr<nsISerialEventTarget> mThread;

  const RemoteMediaIn mLocation;

  bool mRemoteCrashed = false;

  MozPromiseHolder<PlatformEncoderModule::CreateEncoderPromise>

      mConstructPromise;

  MozPromiseHolder<MediaDataEncoder::InitPromise> mInitPromise;

  MozPromiseHolder<MediaDataEncoder::EncodePromise> mDrainPromise;

  MozPromiseHolder<MediaDataEncoder::ReconfigurationPromise>

      mReconfigurePromise;

  MozPromiseHolder<mozilla::ShutdownPromise> mShutdownPromise;

  mutable Mutex mMutex{"RemoteMediaDataEncoderChild"};

  nsCString mHardwareAcceleratedReason MOZ_GUARDED_BY(mMutex);

  nsCString mDescription MOZ_GUARDED_BY(mMutex);

  bool mIsHardwareAccelerated MOZ_GUARDED_BY(mMutex) = false;

  bool mNeedsShutdown MOZ_GUARDED_BY(mMutex) = false;

};

}  // namespace mozilla

#endif  // include_dom_media_ipc_RemoteMediaDataEncoderChild_h