1 /*
2  * libjingle
3  * Copyright 2012 Google Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
10  *  2. Redistributions in binary form must reproduce the above copyright notice,
11  *     this list of conditions and the following disclaimer in the documentation
12  *     and/or other materials provided with the distribution.
13  *  3. The name of the author may not be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef TALK_APP_WEBRTC_VIDEOTRACK_H_
29 #define TALK_APP_WEBRTC_VIDEOTRACK_H_
30 
31 #include <string>
32 
33 #include "talk/app/webrtc/mediastreamtrack.h"
34 #include "talk/app/webrtc/videosourceinterface.h"
35 #include "talk/app/webrtc/videotrackrenderers.h"
36 #include "webrtc/base/scoped_ref_ptr.h"
37 
38 namespace webrtc {
39 
40 class VideoTrack : public MediaStreamTrack<VideoTrackInterface> {
41  public:
42   static rtc::scoped_refptr<VideoTrack> Create(
43       const std::string& label, VideoSourceInterface* source);
44 
45   virtual void AddRenderer(VideoRendererInterface* renderer);
46   virtual void RemoveRenderer(VideoRendererInterface* renderer);
GetSource()47   virtual VideoSourceInterface* GetSource() const {
48     return video_source_.get();
49   }
50   virtual bool set_enabled(bool enable);
51   virtual std::string kind() const;
52 
53  protected:
54   VideoTrack(const std::string& id, VideoSourceInterface* video_source);
55   ~VideoTrack();
56 
57  private:
58   VideoTrackRenderers renderers_;
59   rtc::scoped_refptr<VideoSourceInterface> video_source_;
60 };
61 
62 }  // namespace webrtc
63 
64 #endif  // TALK_APP_WEBRTC_VIDEOTRACK_H_
65