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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 // AudioRendererHost serves audio related requests from AudioRenderer which | 5 // AudioRendererHost serves audio related requests from AudioRenderer which |
6 // lives inside the render process and provide access to audio hardware. | 6 // lives inside the render process and provide access to audio hardware. |
7 // | 7 // |
8 // This class is owned by BrowserRenderProcessHost, and instantiated on UI | 8 // This class is owned by BrowserRenderProcessHost, and instantiated on UI |
9 // thread, but all other operations and method calls happen on IO thread, so we | 9 // thread, but all other operations and method calls happen on IO thread, so we |
10 // need to be extra careful about the lifetime of this object. AudioManager is a | 10 // need to be extra careful about the lifetime of this object. AudioManager is a |
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115 FRIEND_TEST_ALL_PREFIXES(AudioRendererHostTest, MockStreamDataConversation); | 115 FRIEND_TEST_ALL_PREFIXES(AudioRendererHostTest, MockStreamDataConversation); |
116 | 116 |
117 virtual ~AudioRendererHost(); | 117 virtual ~AudioRendererHost(); |
118 | 118 |
119 // Methods called on IO thread ---------------------------------------------- | 119 // Methods called on IO thread ---------------------------------------------- |
120 | 120 |
121 // Audio related IPC message handlers. | 121 // Audio related IPC message handlers. |
122 // Creates an audio output stream with the specified format. If this call is | 122 // Creates an audio output stream with the specified format. If this call is |
123 // successful this object would keep an internal entry of the stream for the | 123 // successful this object would keep an internal entry of the stream for the |
124 // required properties. | 124 // required properties. |
125 void OnCreateStream(int stream_id, const media::AudioParameters& params); | 125 void OnCreateStream(int render_view_id, |
| 126 int stream_id, |
| 127 const media::AudioParameters& params); |
126 | 128 |
127 // Play the audio stream referenced by |stream_id|. | 129 // Play the audio stream referenced by |stream_id|. |
128 void OnPlayStream(int stream_id); | 130 void OnPlayStream(int stream_id); |
129 | 131 |
130 // Pause the audio stream referenced by |stream_id|. | 132 // Pause the audio stream referenced by |stream_id|. |
131 void OnPauseStream(int stream_id); | 133 void OnPauseStream(int stream_id); |
132 | 134 |
133 // Discard all audio data in stream referenced by |stream_id|. | 135 // Discard all audio data in stream referenced by |stream_id|. |
134 void OnFlushStream(int stream_id); | 136 void OnFlushStream(int stream_id); |
135 | 137 |
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179 // A map of stream IDs to audio sources. | 181 // A map of stream IDs to audio sources. |
180 AudioEntryMap audio_entries_; | 182 AudioEntryMap audio_entries_; |
181 | 183 |
182 media::AudioManager* audio_manager_; | 184 media::AudioManager* audio_manager_; |
183 content::MediaObserver* media_observer_; | 185 content::MediaObserver* media_observer_; |
184 | 186 |
185 DISALLOW_COPY_AND_ASSIGN(AudioRendererHost); | 187 DISALLOW_COPY_AND_ASSIGN(AudioRendererHost); |
186 }; | 188 }; |
187 | 189 |
188 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ | 190 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ |
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