1 // Copyright 2014 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_TRACK_EXTRA_DATA_H_ 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_TRACK_EXTRA_DATA_H_ 7 8 #include "base/callback.h" 9 #include "base/compiler_specific.h" 10 #include "base/memory/ref_counted.h" 11 #include "content/common/content_export.h" 12 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h" 13 14 namespace webrtc { 15 class AudioTrackInterface; 16 class MediaStreamTrackInterface; 17 } // namespace webrtc 18 19 namespace content { 20 21 // MediaStreamTrack is a Chrome representation of blink::WebMediaStreamTrack. 22 // It is owned by blink::WebMediaStreamTrack as 23 // blink::WebMediaStreamTrack::ExtraData. 24 class CONTENT_EXPORT MediaStreamTrack 25 : NON_EXPORTED_BASE(public blink::WebMediaStreamTrack::ExtraData) { 26 public: 27 MediaStreamTrack(webrtc::MediaStreamTrackInterface* track, 28 bool is_local_track); 29 virtual ~MediaStreamTrack(); 30 31 static MediaStreamTrack* GetTrack( 32 const blink::WebMediaStreamTrack& track); 33 34 // If a subclass overrides this method it has to call the base class. 35 virtual void SetEnabled(bool enabled); 36 37 // TODO(xians): Make this pure virtual when Stop[Track] has been 38 // implemented for remote audio tracks. 39 virtual void Stop(); 40 41 virtual webrtc::AudioTrackInterface* GetAudioAdapter(); 42 43 bool is_local_track () const { return is_local_track_; } 44 45 protected: 46 scoped_refptr<webrtc::MediaStreamTrackInterface> track_; 47 48 private: 49 const bool is_local_track_; 50 51 DISALLOW_COPY_AND_ASSIGN(MediaStreamTrack); 52 }; 53 54 } // namespace content 55 56 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_TRACK_EXTRA_DATA_H_ 57
