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 15 void 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 if (!native_track->is_local_track()) { 22 LOG(ERROR) << "Can't add the sink to a remote audio track"; 23 return; 24 } 25 26 WebRtcLocalAudioTrack* audio_track = 27 static_cast<WebRtcLocalAudioTrack*>(native_track); 28 audio_track->AddSink(sink); 29 } 30 31 void MediaStreamAudioSink::RemoveFromAudioTrack( 32 MediaStreamAudioSink* sink, 33 const blink::WebMediaStreamTrack& track) { 34 MediaStreamTrack* native_track = MediaStreamTrack::GetTrack(track); 35 // TODO(xians): Support remote audio track. 36 if (!native_track->is_local_track()) { 37 LOG(ERROR) << "Can't remove the sink from a remote audio track"; 38 return; 39 } 40 41 WebRtcLocalAudioTrack* audio_track = 42 static_cast<WebRtcLocalAudioTrack*>(native_track); 43 audio_track->RemoveSink(sink); 44 } 45 46 } // namespace content 47
