1 /*
2 * libjingle
3 * Copyright 2011 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 #include "talk/app/webrtc/videotrack.h"
29
30 #include <string>
31
32 namespace webrtc {
33
34 const char MediaStreamTrackInterface::kVideoKind[] = "video";
35
VideoTrack(const std::string & label,VideoSourceInterface * video_source)36 VideoTrack::VideoTrack(const std::string& label,
37 VideoSourceInterface* video_source)
38 : MediaStreamTrack<VideoTrackInterface>(label),
39 video_source_(video_source) {
40 if (video_source_)
41 video_source_->AddSink(&renderers_);
42 }
43
~VideoTrack()44 VideoTrack::~VideoTrack() {
45 if (video_source_)
46 video_source_->RemoveSink(&renderers_);
47 }
48
kind() const49 std::string VideoTrack::kind() const {
50 return kVideoKind;
51 }
52
AddRenderer(VideoRendererInterface * renderer)53 void VideoTrack::AddRenderer(VideoRendererInterface* renderer) {
54 renderers_.AddRenderer(renderer);
55 }
56
RemoveRenderer(VideoRendererInterface * renderer)57 void VideoTrack::RemoveRenderer(VideoRendererInterface* renderer) {
58 renderers_.RemoveRenderer(renderer);
59 }
60
set_enabled(bool enable)61 bool VideoTrack::set_enabled(bool enable) {
62 renderers_.SetEnabled(enable);
63 return MediaStreamTrack<VideoTrackInterface>::set_enabled(enable);
64 }
65
Create(const std::string & id,VideoSourceInterface * source)66 rtc::scoped_refptr<VideoTrack> VideoTrack::Create(
67 const std::string& id, VideoSourceInterface* source) {
68 rtc::RefCountedObject<VideoTrack>* track =
69 new rtc::RefCountedObject<VideoTrack>(id, source);
70 return track;
71 }
72
73 } // namespace webrtc
74