media/base/videosinkinterface.h

/*
 *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef MEDIA_BASE_VIDEOSINKINTERFACE_H_
#define MEDIA_BASE_VIDEOSINKINTERFACE_H_

#include <rtc_base/checks.h>
// TODO(nisse): Consider moving this interface (and possibly
// VideoSourceInterface too) from media/base to common_video, to
// reduce dependency cycles.
namespace rtc {

template <typename VideoFrameT>
class VideoSinkInterface {
 public:
  virtual ~VideoSinkInterface() {}

  virtual void OnFrame(const VideoFrameT& frame) = 0;

  // Should be called by the source when it discards the frame due to rate
  // limiting.
  virtual void OnDiscardedFrame() {}
};

}  // namespace rtc

#endif  // MEDIA_BASE_VIDEOSINKINTERFACE_H_