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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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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51 | 51 |
52 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ | 52 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ |
53 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ | 53 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ |
54 #pragma once | 54 #pragma once |
55 | 55 |
56 #include <map> | 56 #include <map> |
57 | 57 |
58 #include "base/gtest_prod_util.h" | 58 #include "base/gtest_prod_util.h" |
59 #include "base/memory/ref_counted.h" | 59 #include "base/memory/ref_counted.h" |
60 #include "base/memory/scoped_ptr.h" | 60 #include "base/memory/scoped_ptr.h" |
| 61 #include "base/message_loop_helpers.h" |
61 #include "base/process.h" | 62 #include "base/process.h" |
62 #include "base/shared_memory.h" | 63 #include "base/shared_memory.h" |
63 #include "content/common/content_export.h" | 64 #include "content/common/content_export.h" |
64 #include "content/public/browser/browser_message_filter.h" | 65 #include "content/public/browser/browser_message_filter.h" |
65 #include "content/public/browser/browser_thread.h" | 66 #include "content/public/browser/browser_thread.h" |
66 #include "media/audio/audio_io.h" | 67 #include "media/audio/audio_io.h" |
67 #include "media/audio/audio_output_controller.h" | 68 #include "media/audio/audio_output_controller.h" |
68 #include "media/audio/simple_sources.h" | 69 #include "media/audio/simple_sources.h" |
69 | 70 |
70 class AudioManager; | 71 class AudioManager; |
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118 virtual void OnPlaying(media::AudioOutputController* controller) OVERRIDE; | 119 virtual void OnPlaying(media::AudioOutputController* controller) OVERRIDE; |
119 virtual void OnPaused(media::AudioOutputController* controller) OVERRIDE; | 120 virtual void OnPaused(media::AudioOutputController* controller) OVERRIDE; |
120 virtual void OnError(media::AudioOutputController* controller, | 121 virtual void OnError(media::AudioOutputController* controller, |
121 int error_code) OVERRIDE; | 122 int error_code) OVERRIDE; |
122 virtual void OnMoreData(media::AudioOutputController* controller, | 123 virtual void OnMoreData(media::AudioOutputController* controller, |
123 AudioBuffersState buffers_state) OVERRIDE; | 124 AudioBuffersState buffers_state) OVERRIDE; |
124 | 125 |
125 private: | 126 private: |
126 friend class AudioRendererHostTest; | 127 friend class AudioRendererHostTest; |
127 friend class content::BrowserThread; | 128 friend class content::BrowserThread; |
128 friend class DeleteTask<AudioRendererHost>; | 129 friend class base::DeleteHelper<AudioRendererHost>; |
129 friend class MockAudioRendererHost; | 130 friend class MockAudioRendererHost; |
130 FRIEND_TEST_ALL_PREFIXES(AudioRendererHostTest, CreateMockStream); | 131 FRIEND_TEST_ALL_PREFIXES(AudioRendererHostTest, CreateMockStream); |
131 FRIEND_TEST_ALL_PREFIXES(AudioRendererHostTest, MockStreamDataConversation); | 132 FRIEND_TEST_ALL_PREFIXES(AudioRendererHostTest, MockStreamDataConversation); |
132 | 133 |
133 virtual ~AudioRendererHost(); | 134 virtual ~AudioRendererHost(); |
134 | 135 |
135 // Methods called on IO thread ---------------------------------------------- | 136 // Methods called on IO thread ---------------------------------------------- |
136 | 137 |
137 // Audio related IPC message handlers. | 138 // Audio related IPC message handlers. |
138 // Creates an audio output stream with the specified format. If this call is | 139 // Creates an audio output stream with the specified format. If this call is |
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217 // A map of stream IDs to audio sources. | 218 // A map of stream IDs to audio sources. |
218 AudioEntryMap audio_entries_; | 219 AudioEntryMap audio_entries_; |
219 | 220 |
220 const content::ResourceContext* resource_context_; | 221 const content::ResourceContext* resource_context_; |
221 MediaObserver* media_observer_; | 222 MediaObserver* media_observer_; |
222 | 223 |
223 DISALLOW_COPY_AND_ASSIGN(AudioRendererHost); | 224 DISALLOW_COPY_AND_ASSIGN(AudioRendererHost); |
224 }; | 225 }; |
225 | 226 |
226 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ | 227 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_ |
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