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/compiler_specific.h" 9 #include "content/common/content_export.h" 10 #include "content/common/media/media_stream_options.h" 11 #include "content/renderer/media/media_stream_source_observer.h" 12 #include "media/base/audio_capturer_source.h" 13 #include "third_party/libjingle/source/talk/app/webrtc/videosourceinterface.h" 14 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" 15 16 namespace content { 17 18 class CONTENT_EXPORT MediaStreamSourceExtraData 19 : NON_EXPORTED_BASE(public WebKit::WebMediaStreamSource::ExtraData) { 20 public: 21 MediaStreamSourceExtraData( 22 const StreamDeviceInfo& device_info, 23 const WebKit::WebMediaStreamSource& webkit_source); 24 explicit MediaStreamSourceExtraData( 25 media::AudioCapturerSource* source); 26 virtual ~MediaStreamSourceExtraData(); 27 28 // Returns the WebMediaStreamSource object that owns this object. 29 const WebKit::WebMediaStreamSource& webkit_source() const { 30 return webkit_source_; 31 } 32 33 // Return device information about the camera or microphone. 34 const StreamDeviceInfo& device_info() const { 35 return device_info_; 36 } 37 38 void SetVideoSource(webrtc::VideoSourceInterface* source) { 39 video_source_ = source; 40 source_observer_.reset(new MediaStreamSourceObserver(source, this)); 41 } 42 43 void SetLocalAudioSource(webrtc::AudioSourceInterface* source) { 44 local_audio_source_ = source; 45 // TODO(perkj): Implement a local source observer for audio. 46 // See |source_observer_|. 47 } 48 49 webrtc::VideoSourceInterface* video_source() { return video_source_.get(); } 50 media::AudioCapturerSource* audio_source() { return audio_source_.get(); } 51 webrtc::AudioSourceInterface* local_audio_source() { 52 return local_audio_source_.get(); 53 } 54 55 private: 56 StreamDeviceInfo device_info_; 57 58 // TODO(tommyw): Remove |webkit_source_| after WebMediaStreamSource::Owner() 59 // is implemented, which let us fetch the 60 // WebMediaStreamSource without increasing the reference count. 61 // |webkit_source_| will create a circular reference to WebMediaStreamSource. 62 // WebMediaStreamSource -> MediaStreamSourceExtraData -> WebMediaStreamSource 63 // Currently, we rely on manually releasing the MediaStreamSourceExtraData 64 // from WebMediaStreamSource like what 65 // MediaStreamImpl::~UserMediaRequestInfo() does. 66 WebKit::WebMediaStreamSource webkit_source_; 67 scoped_refptr<webrtc::VideoSourceInterface> video_source_; 68 scoped_refptr<media::AudioCapturerSource> audio_source_; 69 70 // This member holds an instance of webrtc::LocalAudioSource. This is used 71 // as a container for audio options. 72 // TODO(hclam): This should be merged with |audio_source_| such that it 73 // carries audio options. 74 scoped_refptr<webrtc::AudioSourceInterface> local_audio_source_; 75 scoped_ptr<MediaStreamSourceObserver> source_observer_; 76 77 DISALLOW_COPY_AND_ASSIGN(MediaStreamSourceExtraData); 78 }; 79 80 } // namespace content 81 82 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_SOURCE_EXTRA_DATA_H_ 83
