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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 // AudioInputRendererHost serves audio related requests from audio capturer | 5 // AudioInputRendererHost serves audio related requests from audio capturer |
6 // which lives inside the render process and provide access to audio hardware. | 6 // which lives inside the render process and provide access to audio hardware. |
7 // | 7 // |
8 // OnCreateStream() request is only available in the low latency mode. It will | 8 // OnCreateStream() request is only available in the low latency mode. It will |
9 // creates a shared memory, a SyncWriter and a AudioInputController for the | 9 // creates a shared memory, a SyncWriter and a AudioInputController for the |
10 // input stream. | 10 // input stream. |
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54 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ | 54 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ |
55 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ | 55 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ |
56 #pragma once | 56 #pragma once |
57 | 57 |
58 #include <map> | 58 #include <map> |
59 | 59 |
60 #include "base/compiler_specific.h" | 60 #include "base/compiler_specific.h" |
61 #include "base/gtest_prod_util.h" | 61 #include "base/gtest_prod_util.h" |
62 #include "base/memory/ref_counted.h" | 62 #include "base/memory/ref_counted.h" |
63 #include "base/memory/scoped_ptr.h" | 63 #include "base/memory/scoped_ptr.h" |
| 64 #include "base/message_loop_helpers.h" |
64 #include "base/process.h" | 65 #include "base/process.h" |
65 #include "base/shared_memory.h" | 66 #include "base/shared_memory.h" |
66 #include "content/browser/renderer_host/media/audio_input_device_manager_event_h
andler.h" | 67 #include "content/browser/renderer_host/media/audio_input_device_manager_event_h
andler.h" |
67 #include "content/public/browser/browser_message_filter.h" | 68 #include "content/public/browser/browser_message_filter.h" |
68 #include "content/public/browser/browser_thread.h" | 69 #include "content/public/browser/browser_thread.h" |
69 #include "media/audio/audio_input_controller.h" | 70 #include "media/audio/audio_input_controller.h" |
70 #include "media/audio/audio_io.h" | 71 #include "media/audio/audio_io.h" |
71 #include "media/audio/simple_sources.h" | 72 #include "media/audio/simple_sources.h" |
72 | 73 |
73 namespace content { | 74 namespace content { |
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123 uint32 size) OVERRIDE; | 124 uint32 size) OVERRIDE; |
124 | 125 |
125 // media_stream::AudioInputDeviceManagerEventHandler implementation. | 126 // media_stream::AudioInputDeviceManagerEventHandler implementation. |
126 virtual void OnDeviceStarted(int session_id, | 127 virtual void OnDeviceStarted(int session_id, |
127 const std::string& device_id) OVERRIDE; | 128 const std::string& device_id) OVERRIDE; |
128 virtual void OnDeviceStopped(int session_id) OVERRIDE; | 129 virtual void OnDeviceStopped(int session_id) OVERRIDE; |
129 | 130 |
130 private: | 131 private: |
131 // TODO(henrika): extend test suite (compare AudioRenderHost) | 132 // TODO(henrika): extend test suite (compare AudioRenderHost) |
132 friend class content::BrowserThread; | 133 friend class content::BrowserThread; |
133 friend class DeleteTask<AudioInputRendererHost>; | 134 friend class base::DeleteHelper<AudioInputRendererHost>; |
134 | 135 |
135 virtual ~AudioInputRendererHost(); | 136 virtual ~AudioInputRendererHost(); |
136 | 137 |
137 // Methods called on IO thread ---------------------------------------------- | 138 // Methods called on IO thread ---------------------------------------------- |
138 | 139 |
139 // Start the audio input device with the session id. If the device | 140 // Start the audio input device with the session id. If the device |
140 // starts successfully, it will trigger OnDeviceStarted() callback. | 141 // starts successfully, it will trigger OnDeviceStarted() callback. |
141 void OnStartDevice(int stream_id, int session_id); | 142 void OnStartDevice(int stream_id, int session_id); |
142 | 143 |
143 // Audio related IPC message handlers. | 144 // Audio related IPC message handlers. |
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215 AudioEntryMap audio_entries_; | 216 AudioEntryMap audio_entries_; |
216 | 217 |
217 // A map of session IDs to audio session sources. | 218 // A map of session IDs to audio session sources. |
218 typedef std::map<int, int> SessionEntryMap; | 219 typedef std::map<int, int> SessionEntryMap; |
219 SessionEntryMap session_entries_; | 220 SessionEntryMap session_entries_; |
220 | 221 |
221 DISALLOW_COPY_AND_ASSIGN(AudioInputRendererHost); | 222 DISALLOW_COPY_AND_ASSIGN(AudioInputRendererHost); |
222 }; | 223 }; |
223 | 224 |
224 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ | 225 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ |
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