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Side by Side Diff: content/browser/renderer_host/media/audio_renderer_host.h

Issue 11166002: Plumb render view ID from audio-related code in renderer through IPCs to AudioRendererHost in brows… (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Addressed tommi's comments and rebased. Created 8 years, 2 months ago
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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, 125 void OnCreateStream(int render_view_id,
126 int stream_id,
126 const media::AudioParameters& params, 127 const media::AudioParameters& params,
127 int input_channels); 128 int input_channels);
128 129
129 // Play the audio stream referenced by |stream_id|. 130 // Play the audio stream referenced by |stream_id|.
130 void OnPlayStream(int stream_id); 131 void OnPlayStream(int stream_id);
131 132
132 // Pause the audio stream referenced by |stream_id|. 133 // Pause the audio stream referenced by |stream_id|.
133 void OnPauseStream(int stream_id); 134 void OnPauseStream(int stream_id);
134 135
135 // Discard all audio data in stream referenced by |stream_id|. 136 // Discard all audio data in stream referenced by |stream_id|.
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181 // A map of stream IDs to audio sources. 182 // A map of stream IDs to audio sources.
182 AudioEntryMap audio_entries_; 183 AudioEntryMap audio_entries_;
183 184
184 media::AudioManager* audio_manager_; 185 media::AudioManager* audio_manager_;
185 content::MediaObserver* media_observer_; 186 content::MediaObserver* media_observer_;
186 187
187 DISALLOW_COPY_AND_ASSIGN(AudioRendererHost); 188 DISALLOW_COPY_AND_ASSIGN(AudioRendererHost);
188 }; 189 };
189 190
190 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ 191 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_
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