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#include "talk/app/webrtc/videotrack.h"
28
29#include <string>
30
31#include "talk/media/webrtc/webrtcvideocapturer.h"
32
33namespace webrtc {
34
35static const char kVideoTrackKind[] = "video";
36
37VideoTrack::VideoTrack(const std::string& label,
38                       VideoSourceInterface* video_source)
39    : MediaStreamTrack<VideoTrackInterface>(label),
40      video_source_(video_source) {
41  if (video_source_)
42    video_source_->AddSink(&renderers_);
43}
44
45VideoTrack::~VideoTrack() {
46  if (video_source_)
47    video_source_->RemoveSink(&renderers_);
48}
49
50std::string VideoTrack::kind() const {
51  return kVideoTrackKind;
52}
53
54void VideoTrack::AddRenderer(VideoRendererInterface* renderer) {
55  renderers_.AddRenderer(renderer);
56}
57
58void VideoTrack::RemoveRenderer(VideoRendererInterface* renderer) {
59  renderers_.RemoveRenderer(renderer);
60}
61
62bool VideoTrack::set_enabled(bool enable) {
63  renderers_.SetEnabled(enable);
64  return MediaStreamTrack<VideoTrackInterface>::set_enabled(enable);
65}
66
67rtc::scoped_refptr<VideoTrack> VideoTrack::Create(
68    const std::string& id, VideoSourceInterface* source) {
69  rtc::RefCountedObject<VideoTrack>* track =
70      new rtc::RefCountedObject<VideoTrack>(id, source);
71  return track;
72}
73
74}  // namespace webrtc
75