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

Issue 11339014: Move content\browser\renderer_host\media to content namespace. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 8 years, 1 month 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 // AudioInputDeviceManager manages the audio input devices. In particular it 5 // AudioInputDeviceManager manages the audio input devices. In particular it
6 // communicates with MediaStreamManager and AudioInputRendererHost on the 6 // communicates with MediaStreamManager and AudioInputRendererHost on the
7 // browser IO thread, handles queries like enumerate/open/close from 7 // browser IO thread, handles queries like enumerate/open/close from
8 // MediaStreamManager and start/stop from AudioInputRendererHost. 8 // MediaStreamManager and start/stop from AudioInputRendererHost.
9 // The work for enumerate/open/close is handled asynchronously on Media Stream 9 // The work for enumerate/open/close is handled asynchronously on Media Stream
10 // device thread, while start/stop are synchronous on the IO thread. 10 // device thread, while start/stop are synchronous on the IO thread.
11 11
12 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_H_ 12 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_H_
13 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_H_ 13 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_H_
14 14
15 #include <map> 15 #include <map>
16 16
17 #include "base/basictypes.h" 17 #include "base/basictypes.h"
18 #include "base/memory/ref_counted.h" 18 #include "base/memory/ref_counted.h"
19 #include "base/threading/thread.h" 19 #include "base/threading/thread.h"
20 #include "content/browser/renderer_host/media/media_stream_provider.h" 20 #include "content/browser/renderer_host/media/media_stream_provider.h"
21 #include "content/common/content_export.h" 21 #include "content/common/content_export.h"
22 #include "content/common/media/media_stream_options.h" 22 #include "content/common/media/media_stream_options.h"
23 #include "content/public/common/media_stream_request.h" 23 #include "content/public/common/media_stream_request.h"
24 24
25 namespace media { 25 namespace media {
26 class AudioManager; 26 class AudioManager;
27 } 27 }
28 28
29 namespace media_stream { 29 namespace content {
30 30
31 class AudioInputDeviceManagerEventHandler; 31 class AudioInputDeviceManagerEventHandler;
32 32
33 class CONTENT_EXPORT AudioInputDeviceManager : public MediaStreamProvider { 33 class CONTENT_EXPORT AudioInputDeviceManager : public MediaStreamProvider {
34 public: 34 public:
35 // Calling Start() with this kFakeOpenSessionId will open the default device, 35 // Calling Start() with this kFakeOpenSessionId will open the default device,
36 // even though Open() has not been called. This is used to be able to use the 36 // even though Open() has not been called. This is used to be able to use the
37 // AudioInputDeviceManager before MediaStream is implemented. 37 // AudioInputDeviceManager before MediaStream is implemented.
38 static const int kFakeOpenSessionId; 38 static const int kFakeOpenSessionId;
39 39
(...skipping 23 matching lines...) Expand all
63 // Opens the device on media stream device thread. 63 // Opens the device on media stream device thread.
64 void OpenOnDeviceThread(int session_id, const StreamDeviceInfo& device); 64 void OpenOnDeviceThread(int session_id, const StreamDeviceInfo& device);
65 // Closes the deivce on the media stream device thread. 65 // Closes the deivce on the media stream device thread.
66 void CloseOnDeviceThread(int session_id); 66 void CloseOnDeviceThread(int session_id);
67 67
68 // Callback used by EnumerateOnDeviceThread(), called with a list of 68 // Callback used by EnumerateOnDeviceThread(), called with a list of
69 // enumerated devices on IO thread. 69 // enumerated devices on IO thread.
70 void DevicesEnumeratedOnIOThread(StreamDeviceInfoArray* devices); 70 void DevicesEnumeratedOnIOThread(StreamDeviceInfoArray* devices);
71 // Callback used by OpenOnDeviceThread(), called with the session_id 71 // Callback used by OpenOnDeviceThread(), called with the session_id
72 // referencing the opened device on IO thread. 72 // referencing the opened device on IO thread.
73 void OpenedOnIOThread(content::MediaStreamDeviceType type, int session_id); 73 void OpenedOnIOThread(MediaStreamDeviceType type, int session_id);
74 // Callback used by CloseOnDeviceThread(), called with the session_id 74 // Callback used by CloseOnDeviceThread(), called with the session_id
75 // referencing the closed device on IO thread. 75 // referencing the closed device on IO thread.
76 void ClosedOnIOThread(content::MediaStreamDeviceType type, int session_id); 76 void ClosedOnIOThread(MediaStreamDeviceType type, int session_id);
77 77
78 // Verifies that the calling thread is media stream device thread. 78 // Verifies that the calling thread is media stream device thread.
79 bool IsOnDeviceThread() const; 79 bool IsOnDeviceThread() const;
80 80
81 // Only accessed on Browser::IO thread. 81 // Only accessed on Browser::IO thread.
82 MediaStreamProviderListener* listener_; 82 MediaStreamProviderListener* listener_;
83 int next_capture_session_id_; 83 int next_capture_session_id_;
84 EventHandlerMap event_handlers_; 84 EventHandlerMap event_handlers_;
85 85
86 // Only accessed from media stream device thread. 86 // Only accessed from media stream device thread.
87 StreamDeviceMap devices_; 87 StreamDeviceMap devices_;
88 media::AudioManager* const audio_manager_; 88 media::AudioManager* const audio_manager_;
89 89
90 // The message loop of media stream device thread that this object runs on. 90 // The message loop of media stream device thread that this object runs on.
91 scoped_refptr<base::MessageLoopProxy> device_loop_; 91 scoped_refptr<base::MessageLoopProxy> device_loop_;
92 92
93 DISALLOW_COPY_AND_ASSIGN(AudioInputDeviceManager); 93 DISALLOW_COPY_AND_ASSIGN(AudioInputDeviceManager);
94 }; 94 };
95 95
96 } // namespace media_stream 96 } // namespace content
97 97
98 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_H_ 98 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_H_
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