1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/public/renderer/media_stream_audio_sink.h" 6 7 #include "base/logging.h" 8 #include "content/renderer/media/media_stream_track.h" 9 #include "content/renderer/media/webrtc_local_audio_track.h" 10 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" 11 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h" 12 13 namespace content { 14 AddToAudioTrack(MediaStreamAudioSink * sink,const blink::WebMediaStreamTrack & track)15void MediaStreamAudioSink::AddToAudioTrack( 16 MediaStreamAudioSink* sink, 17 const blink::WebMediaStreamTrack& track) { 18 DCHECK(track.source().type() == blink::WebMediaStreamSource::TypeAudio); 19 MediaStreamTrack* native_track = MediaStreamTrack::GetTrack(track); 20 // TODO(xians): Support remote audio track. 21 DCHECK(native_track->is_local_track()); 22 WebRtcLocalAudioTrack* audio_track = 23 static_cast<WebRtcLocalAudioTrack*>(native_track); 24 audio_track->AddSink(sink); 25 } 26 RemoveFromAudioTrack(MediaStreamAudioSink * sink,const blink::WebMediaStreamTrack & track)27void MediaStreamAudioSink::RemoveFromAudioTrack( 28 MediaStreamAudioSink* sink, 29 const blink::WebMediaStreamTrack& track) { 30 MediaStreamTrack* native_track = MediaStreamTrack::GetTrack(track); 31 // TODO(xians): Support remote audio track. 32 DCHECK(native_track->is_local_track()); 33 WebRtcLocalAudioTrack* audio_track = 34 static_cast<WebRtcLocalAudioTrack*>(native_track); 35 audio_track->RemoveSink(sink); 36 } 37 38 } // namespace content 39