1 // Copyright (c) 2012 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 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_EXTRA_DATA_H_ 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_EXTRA_DATA_H_ 7 8 #include "base/callback.h" 9 #include "base/compiler_specific.h" 10 #include "content/common/content_export.h" 11 #include "content/common/media/media_stream_options.h" 12 #include "content/renderer/media/media_stream_source_observer.h" 13 #include "content/renderer/media/webrtc_audio_capturer.h" 14 #include "third_party/libjingle/source/talk/app/webrtc/videosourceinterface.h" 15 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" 16 17 namespace content { 18 19 class CONTENT_EXPORT MediaStreamSourceExtraData NON_EXPORTED_BASE(public blink::WebMediaStreamSource::ExtraData)20 : NON_EXPORTED_BASE(public blink::WebMediaStreamSource::ExtraData) { 21 public: 22 typedef base::Callback<void(const blink::WebMediaStreamSource& source)> 23 SourceStopCallback; 24 25 MediaStreamSourceExtraData(const StreamDeviceInfo& device_info, 26 const SourceStopCallback& stop_callback); 27 MediaStreamSourceExtraData(); 28 virtual ~MediaStreamSourceExtraData(); 29 30 // Return device information about the camera or microphone. 31 const StreamDeviceInfo& device_info() const { 32 return device_info_; 33 } 34 35 void SetVideoSource(webrtc::VideoSourceInterface* source) { 36 video_source_ = source; 37 source_observer_.reset(new MediaStreamSourceObserver(source, this)); 38 } 39 40 void SetLocalAudioSource(webrtc::AudioSourceInterface* source) { 41 local_audio_source_ = source; 42 // TODO(perkj): Implement a local source observer for audio. 43 // See |source_observer_|. 44 } 45 46 void SetAudioCapturer(WebRtcAudioCapturer* capturer) { 47 DCHECK(!audio_capturer_); 48 audio_capturer_ = capturer; 49 } 50 51 WebRtcAudioCapturer* GetAudioCapturer() const { 52 // TODO(perkj): |audio_capturer_| can currently be reconfigured to use 53 // another microphone even after it has been created since only one 54 // capturer is supported. See issue crbug/262117. 55 // It would make more sense if a WebRtcAudioCapturer represent one and only 56 // one audio source. 57 if (audio_capturer_ && 58 device_info_.session_id == audio_capturer_->session_id()) { 59 return audio_capturer_; 60 } 61 return NULL; 62 } 63 64 webrtc::VideoSourceInterface* video_source() { return video_source_.get(); } 65 webrtc::AudioSourceInterface* local_audio_source() { 66 return local_audio_source_.get(); 67 } 68 69 void OnLocalSourceStop(); 70 71 private: 72 StreamDeviceInfo device_info_; 73 74 scoped_refptr<webrtc::VideoSourceInterface> video_source_; 75 76 // This member holds an instance of webrtc::LocalAudioSource. This is used 77 // as a container for audio options. 78 // TODO(hclam): This should be merged with |audio_source_| such that it 79 // carries audio options. 80 scoped_refptr<webrtc::AudioSourceInterface> local_audio_source_; 81 scoped_ptr<MediaStreamSourceObserver> source_observer_; 82 83 scoped_refptr<WebRtcAudioCapturer> audio_capturer_; 84 85 SourceStopCallback stop_callback_; 86 87 DISALLOW_COPY_AND_ASSIGN(MediaStreamSourceExtraData); 88 }; 89 90 } // namespace content 91 92 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_EXTRA_DATA_H_ 93