services/video_capture/receiver_mojo_to_media_adapter.h

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SERVICES_VIDEO_CAPTURE_RECEIVER_MOJO_TO_MEDIA_ADAPTER_H_
#define SERVICES_VIDEO_CAPTURE_RECEIVER_MOJO_TO_MEDIA_ADAPTER_H_

#include "base/single_thread_task_runner.h"
#include "media/capture/video/video_frame_receiver.h"
#include "services/video_capture/public/mojom/receiver.mojom.h"

namespace video_capture {

// Adapter that allows a mojom::VideoFrameReceiver to be used in place of
// a media::VideoFrameReceiver.
class ReceiverMojoToMediaAdapter : public media::VideoFrameReceiver {
 public:
  ReceiverMojoToMediaAdapter(mojom::ReceiverPtr receiver);
  ~ReceiverMojoToMediaAdapter() override;

  base::WeakPtr<media::VideoFrameReceiver> GetWeakPtr();

  // media::VideoFrameReceiver implementation.
  void OnNewBuffer(int buffer_id,
                   media::mojom::VideoBufferHandlePtr buffer_handle) override;
  void OnFrameReadyInBuffer(
      int buffer_id,
      int frame_feedback_id,
      std::unique_ptr<
          media::VideoCaptureDevice::Client::Buffer::ScopedAccessPermission>
          access_permission,
      media::mojom::VideoFrameInfoPtr frame_info) override;
  void OnBufferRetired(int buffer_id) override;
  void OnError(media::VideoCaptureError error) override;
  void OnFrameDropped(media::VideoCaptureFrameDropReason reason) override;
  void OnLog(const std::string& message) override;
  void OnStarted() override;
  void OnStartedUsingGpuDecode() override;
  void OnStopped() override;

 private:
  mojom::ReceiverPtr receiver_;
  base::WeakPtrFactory<ReceiverMojoToMediaAdapter> weak_factory_;
};

}  // namespace video_capture

#endif  // SERVICES_VIDEO_CAPTURE_RECEIVER_MOJO_TO_MEDIA_ADAPTER_H_