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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_RENDERER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_RENDERER_H_ |
6 #define CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_RENDERER_H_ | 6 #define CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_RENDERER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/synchronization/lock.h" | 10 #include "base/synchronization/lock.h" |
11 #include "base/threading/thread_checker.h" | 11 #include "base/threading/thread_checker.h" |
12 #include "content/common/content_export.h" | 12 #include "content/common/content_export.h" |
| 13 #include "content/renderer/media/media_stream_audio_renderer.h" |
13 #include "content/renderer/media/webrtc_audio_device_impl.h" | 14 #include "content/renderer/media/webrtc_audio_device_impl.h" |
14 #include "content/renderer/media/webrtc_local_audio_track.h" | 15 #include "content/renderer/media/webrtc_local_audio_track.h" |
15 #include "webkit/renderer/media/media_stream_audio_renderer.h" | |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 class AudioBus; | 18 class AudioBus; |
19 class AudioFifo; | 19 class AudioFifo; |
20 class AudioOutputDevice; | 20 class AudioOutputDevice; |
21 class AudioParameters; | 21 class AudioParameters; |
22 } | 22 } |
23 | 23 |
24 namespace content { | 24 namespace content { |
25 | 25 |
26 class WebRtcAudioCapturer; | 26 class WebRtcAudioCapturer; |
27 | 27 |
28 // WebRtcLocalAudioRenderer is a webkit_media::MediaStreamAudioRenderer | 28 // WebRtcLocalAudioRenderer is a webkit_media::MediaStreamAudioRenderer |
29 // designed for rendering local audio media stream tracks, | 29 // designed for rendering local audio media stream tracks, |
30 // http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastreamtrack | 30 // http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastreamtrack |
31 // It also implements media::AudioRendererSink::RenderCallback to render audio | 31 // It also implements media::AudioRendererSink::RenderCallback to render audio |
32 // data provided from a WebRtcLocalAudioTrack source. | 32 // data provided from a WebRtcLocalAudioTrack source. |
33 // When the audio layer in the browser process asks for data to render, this | 33 // When the audio layer in the browser process asks for data to render, this |
34 // class provides the data by implementing the WebRtcAudioCapturerSink | 34 // class provides the data by implementing the WebRtcAudioCapturerSink |
35 // interface, i.e., we are a sink seen from the WebRtcAudioCapturer perspective. | 35 // interface, i.e., we are a sink seen from the WebRtcAudioCapturer perspective. |
36 // TODO(henrika): improve by using similar principles as in RTCVideoRenderer | 36 // TODO(henrika): improve by using similar principles as in RTCVideoRenderer |
37 // which register itself to the video track when the provider is started and | 37 // which register itself to the video track when the provider is started and |
38 // deregisters itself when it is stopped. | 38 // deregisters itself when it is stopped. |
39 // Tracking this at http://crbug.com/164813. | 39 // Tracking this at http://crbug.com/164813. |
40 class CONTENT_EXPORT WebRtcLocalAudioRenderer | 40 class CONTENT_EXPORT WebRtcLocalAudioRenderer |
41 : NON_EXPORTED_BASE(public webkit_media::MediaStreamAudioRenderer), | 41 : NON_EXPORTED_BASE(public MediaStreamAudioRenderer), |
42 NON_EXPORTED_BASE(public media::AudioRendererSink::RenderCallback), | 42 NON_EXPORTED_BASE(public media::AudioRendererSink::RenderCallback), |
43 NON_EXPORTED_BASE(public WebRtcAudioCapturerSink) { | 43 NON_EXPORTED_BASE(public WebRtcAudioCapturerSink) { |
44 public: | 44 public: |
45 // Creates a local renderer and registers a capturing |source| object. | 45 // Creates a local renderer and registers a capturing |source| object. |
46 // The |source| is owned by the WebRtcAudioDeviceImpl. | 46 // The |source| is owned by the WebRtcAudioDeviceImpl. |
47 // Called on the main thread. | 47 // Called on the main thread. |
48 WebRtcLocalAudioRenderer(WebRtcLocalAudioTrack* audio_track, | 48 WebRtcLocalAudioRenderer(WebRtcLocalAudioTrack* audio_track, |
49 int source_render_view_id); | 49 int source_render_view_id); |
50 | 50 |
51 // webkit_media::MediaStreamAudioRenderer implementation. | 51 // webkit_media::MediaStreamAudioRenderer implementation. |
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121 | 121 |
122 // Protects |loopback_fifo_|, |playing_| and |sink_|. | 122 // Protects |loopback_fifo_|, |playing_| and |sink_|. |
123 mutable base::Lock thread_lock_; | 123 mutable base::Lock thread_lock_; |
124 | 124 |
125 DISALLOW_COPY_AND_ASSIGN(WebRtcLocalAudioRenderer); | 125 DISALLOW_COPY_AND_ASSIGN(WebRtcLocalAudioRenderer); |
126 }; | 126 }; |
127 | 127 |
128 } // namespace content | 128 } // namespace content |
129 | 129 |
130 #endif // CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_RENDERER_H_ | 130 #endif // CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_RENDERER_H_ |
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