1 /* 2 * Copyright (c) 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 "media/base/video_source_base.h" 12 13 #include "absl/algorithm/container.h" 14 #include "rtc_base/checks.h" 15 16 namespace rtc { 17 18 VideoSourceBase::VideoSourceBase() = default; 19 VideoSourceBase::~VideoSourceBase() = default; 20 AddOrUpdateSink(VideoSinkInterface<webrtc::VideoFrame> * sink,const VideoSinkWants & wants)21void VideoSourceBase::AddOrUpdateSink( 22 VideoSinkInterface<webrtc::VideoFrame>* sink, 23 const VideoSinkWants& wants) { 24 RTC_DCHECK(sink != nullptr); 25 26 SinkPair* sink_pair = FindSinkPair(sink); 27 if (!sink_pair) { 28 sinks_.push_back(SinkPair(sink, wants)); 29 } else { 30 sink_pair->wants = wants; 31 } 32 } 33 RemoveSink(VideoSinkInterface<webrtc::VideoFrame> * sink)34void VideoSourceBase::RemoveSink(VideoSinkInterface<webrtc::VideoFrame>* sink) { 35 RTC_DCHECK(sink != nullptr); 36 RTC_DCHECK(FindSinkPair(sink)); 37 sinks_.erase(std::remove_if(sinks_.begin(), sinks_.end(), 38 [sink](const SinkPair& sink_pair) { 39 return sink_pair.sink == sink; 40 }), 41 sinks_.end()); 42 } 43 FindSinkPair(const VideoSinkInterface<webrtc::VideoFrame> * sink)44VideoSourceBase::SinkPair* VideoSourceBase::FindSinkPair( 45 const VideoSinkInterface<webrtc::VideoFrame>* sink) { 46 auto sink_pair_it = absl::c_find_if( 47 sinks_, 48 [sink](const SinkPair& sink_pair) { return sink_pair.sink == sink; }); 49 if (sink_pair_it != sinks_.end()) { 50 return &*sink_pair_it; 51 } 52 return nullptr; 53 } 54 55 } // namespace rtc 56