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_source.h"
  11 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.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_frame_id,
  21                          const StreamDeviceInfo& device_info,
  22                          const SourceStoppedCallback& stop_callback,
  23                          PeerConnectionDependencyFactory* factory);
  24   MediaStreamAudioSource();
  25   virtual ~MediaStreamAudioSource();
  26
  27   void AddTrack(const blink::WebMediaStreamTrack& track,
  28                 const blink::WebMediaConstraints& constraints,
  29                 const ConstraintsCallback& callback);
  30
  31   void SetLocalAudioSource(webrtc::AudioSourceInterface* source) {
  32     local_audio_source_ = source;
  33   }
  34
  35   void SetAudioCapturer(const scoped_refptr<WebRtcAudioCapturer>& capturer) {
  36     DCHECK(!audio_capturer_.get());
  37     audio_capturer_ = capturer;
  38   }
  39
  40   const scoped_refptr<WebRtcAudioCapturer>& GetAudioCapturer() {
  41     return audio_capturer_;
  42   }
  43
  44   webrtc::AudioSourceInterface* local_audio_source() {
  45     return local_audio_source_.get();
  46   }
  47
  48  protected:
  49   void DoStopSource() override;
  50
  51  private:
  52   const int render_frame_id_;
  53   PeerConnectionDependencyFactory* const factory_;
  54
  55   // This member holds an instance of webrtc::LocalAudioSource. This is used
  56   // as a container for audio options.
  57   scoped_refptr<webrtc::AudioSourceInterface> local_audio_source_;
  58
  59   scoped_refptr<WebRtcAudioCapturer> audio_capturer_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(MediaStreamAudioSource);
  62 };
  63
  64 }  // namespace content
  65
  66 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_SOURCE_H_