src/content/renderer/media/media_stream_audio_source.h

   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_AUDIO_SOURCE_H_
   6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_SOURCE_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "content/common/content_export.h"
  10 #include "content/renderer/media/media_stream_dependency_factory.h"
  11 #include "content/renderer/media/media_stream_source.h"
  12 #include "content/renderer/media/webrtc_audio_capturer.h"
  13 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
  14
  15 namespace content {
  16
  17 class CONTENT_EXPORT MediaStreamAudioSource
  18     : NON_EXPORTED_BASE(public MediaStreamSource) {
  19  public:
  20   MediaStreamAudioSource(int render_view_id,
  21                          const StreamDeviceInfo& device_info,
  22                          const SourceStoppedCallback& stop_callback,
  23                          MediaStreamDependencyFactory* factory);
  24   MediaStreamAudioSource();
  25   virtual ~MediaStreamAudioSource();
  26
  27   virtual void AddTrack(const blink::WebMediaStreamTrack& track,
  28                         const blink::WebMediaConstraints& constraints,
  29                         const ConstraintsCallback& callback) OVERRIDE;
  30   virtual void RemoveTrack(const blink::WebMediaStreamTrack& track) OVERRIDE;
  31
  32   void SetLocalAudioSource(webrtc::AudioSourceInterface* source) {
  33     local_audio_source_ = source;
  34   }
  35
  36   void SetAudioCapturer(WebRtcAudioCapturer* capturer) {
  37     DCHECK(!audio_capturer_);
  38     audio_capturer_ = capturer;
  39   }
  40
  41   const scoped_refptr<WebRtcAudioCapturer>& GetAudioCapturer() {
  42     return audio_capturer_;
  43   }
  44
  45   webrtc::AudioSourceInterface* local_audio_source() {
  46     return local_audio_source_.get();
  47   }
  48
  49  protected:
  50   virtual void DoStopSource() OVERRIDE;
  51
  52  private:
  53   int render_view_id_;  // Render view ID that created this source.
  54   // This member holds an instance of webrtc::LocalAudioSource. This is used
  55   // as a container for audio options.
  56   scoped_refptr<webrtc::AudioSourceInterface> local_audio_source_;
  57
  58   scoped_refptr<WebRtcAudioCapturer> audio_capturer_;
  59
  60   MediaStreamDependencyFactory* factory_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(MediaStreamAudioSource);
  63 };
  64
  65 }  // namespace content
  66
  67 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_SOURCE_H_