1 /*
2  *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "pc/video_track_source.h"
12 
13 #include "rtc_base/checks.h"
14 
15 namespace webrtc {
16 
VideoTrackSource(bool remote)17 VideoTrackSource::VideoTrackSource(bool remote)
18     : state_(kInitializing), remote_(remote) {
19   worker_thread_checker_.Detach();
20 }
21 
SetState(SourceState new_state)22 void VideoTrackSource::SetState(SourceState new_state) {
23   if (state_ != new_state) {
24     state_ = new_state;
25     FireOnChanged();
26   }
27 }
28 
AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame> * sink,const rtc::VideoSinkWants & wants)29 void VideoTrackSource::AddOrUpdateSink(
30     rtc::VideoSinkInterface<VideoFrame>* sink,
31     const rtc::VideoSinkWants& wants) {
32   RTC_DCHECK(worker_thread_checker_.IsCurrent());
33   source()->AddOrUpdateSink(sink, wants);
34 }
35 
RemoveSink(rtc::VideoSinkInterface<VideoFrame> * sink)36 void VideoTrackSource::RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) {
37   RTC_DCHECK(worker_thread_checker_.IsCurrent());
38   source()->RemoveSink(sink);
39 }
40 
41 }  //  namespace webrtc
42