chromium/third_party/webrtc/media/base/video_broadcaster.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_VIDEO_BROADCASTER_H_
#define MEDIA_BASE_VIDEO_BROADCASTER_H_

#include "api/media_stream_interface.h"
#include "api/scoped_refptr.h"
#include "api/sequence_checker.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_source_interface.h"
#include "media/base/video_source_base.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/thread_annotations.h"

namespace rtc {

// VideoBroadcaster broadcast video frames to sinks and combines VideoSinkWants
// from its sinks. It does that by implementing rtc::VideoSourceInterface and
// rtc::VideoSinkInterface. The class is threadsafe; methods may be called on
// any thread. This is needed because VideoStreamEncoder calls AddOrUpdateSink
// both on the worker thread and on the encoder task queue.
class VideoBroadcaster : public VideoSourceBase,
                         public VideoSinkInterface<webrtc::VideoFrame> { … };

}  // namespace rtc

#endif  // MEDIA_BASE_VIDEO_BROADCASTER_H_