xref: /aosp_15_r20/external/webrtc/media/base/fake_video_renderer.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)

/*
 *  Copyright (c) 2011 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_FAKE_VIDEO_RENDERER_H_
#define MEDIA_BASE_FAKE_VIDEO_RENDERER_H_

#include <stdint.h>

#include "api/scoped_refptr.h"
#include "api/video/video_frame.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_rotation.h"
#include "api/video/video_sink_interface.h"
#include "rtc_base/synchronization/mutex.h"

namespace cricket {

// Faked video renderer that has a callback for actions on rendering.
class FakeVideoRenderer : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
 public:
  FakeVideoRenderer();

  void OnFrame(const webrtc::VideoFrame& frame) override;

  int width() const {
    webrtc::MutexLock lock(&mutex_);
    return width_;
  }
  int height() const {
    webrtc::MutexLock lock(&mutex_);
    return height_;
  }

  webrtc::VideoRotation rotation() const {
    webrtc::MutexLock lock(&mutex_);
    return rotation_;
  }

  int64_t timestamp_us() const {
    webrtc::MutexLock lock(&mutex_);
    return timestamp_us_;
  }

  int num_rendered_frames() const {
    webrtc::MutexLock lock(&mutex_);
    return num_rendered_frames_;
  }

  bool black_frame() const {
    webrtc::MutexLock lock(&mutex_);
    return black_frame_;
  }

 private:
  int width_ = 0;
  int height_ = 0;
  webrtc::VideoRotation rotation_ = webrtc::kVideoRotation_0;
  int64_t timestamp_us_ = 0;
  int num_rendered_frames_ = 0;
  bool black_frame_ = false;
  mutable webrtc::Mutex mutex_;
};

}  // namespace cricket

#endif  // MEDIA_BASE_FAKE_VIDEO_RENDERER_H_