File: frame_counts.h

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/*
 *  Copyright (c) 2020 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 COMMON_VIDEO_FRAME_COUNTS_H_
#define COMMON_VIDEO_FRAME_COUNTS_H_

#include <cstdint>

namespace webrtc {

struct FrameCounts {
  FrameCounts() : key_frames(0), delta_frames(0) {}
  int key_frames;
  int delta_frames;
};

// Callback, used to notify an observer whenever frame counts have been updated.
class FrameCountObserver {
 public:
  virtual ~FrameCountObserver() {}
  virtual void FrameCountUpdated(const FrameCounts& frame_counts,
                                 uint32_t ssrc) = 0;
};

}  // namespace webrtc

#endif  // COMMON_VIDEO_FRAME_COUNTS_H_