webrtc/api/videotrack.h

/*
 * libjingle
 * Copyright 2012 Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WEBRTC_API_VIDEOTRACK_H_
#define WEBRTC_API_VIDEOTRACK_H_

#include <string>

#include "webrtc/api/mediastreamtrack.h"
#include "webrtc/api/videosourceinterface.h"
#include "webrtc/api/videotrackrenderers.h"
#include "webrtc/base/scoped_ref_ptr.h"

namespace webrtc {

class VideoTrack : public MediaStreamTrack<VideoTrackInterface> {
 public:
  static rtc::scoped_refptr<VideoTrack> Create(
      const std::string& label, VideoSourceInterface* source);

  virtual void AddRenderer(VideoRendererInterface* renderer);
  virtual void RemoveRenderer(VideoRendererInterface* renderer);
  virtual VideoSourceInterface* GetSource() const {
    return video_source_.get();
  }
  rtc::VideoSinkInterface<cricket::VideoFrame>* GetSink() override;
  virtual bool set_enabled(bool enable);
  virtual std::string kind() const;

 protected:
  VideoTrack(const std::string& id, VideoSourceInterface* video_source);
  ~VideoTrack();

 private:
  VideoTrackRenderers renderers_;
  rtc::scoped_refptr<VideoSourceInterface> video_source_;
};

}  // namespace webrtc

#endif  // WEBRTC_API_VIDEOTRACK_H_