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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 // MediaStreamManager is used to open/enumerate media capture devices (video | 5 // MediaStreamManager is used to open/enumerate media capture devices (video |
6 // supported now). Call flow: | 6 // supported now). Call flow: |
7 // 1. GenerateStream is called when a render process wants to use a capture | 7 // 1. GenerateStream is called when a render process wants to use a capture |
8 // device. | 8 // device. |
9 // 2. MediaStreamManager will ask MediaStreamDeviceSettings for permission to | 9 // 2. MediaStreamManager will ask MediaStreamDeviceSettings for permission to |
10 // use devices and for which device to use. | 10 // use devices and for which device to use. |
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28 | 28 |
29 #include "base/basictypes.h" | 29 #include "base/basictypes.h" |
30 #include "base/memory/scoped_ptr.h" | 30 #include "base/memory/scoped_ptr.h" |
31 #include "base/memory/ref_counted.h" | 31 #include "base/memory/ref_counted.h" |
32 #include "base/supports_user_data.h" | 32 #include "base/supports_user_data.h" |
33 #include "content/browser/renderer_host/media/media_stream_provider.h" | 33 #include "content/browser/renderer_host/media/media_stream_provider.h" |
34 #include "content/browser/renderer_host/media/media_stream_settings_requester.h" | 34 #include "content/browser/renderer_host/media/media_stream_settings_requester.h" |
35 #include "content/common/media/media_stream_options.h" | 35 #include "content/common/media/media_stream_options.h" |
36 #include "content/common/content_export.h" | 36 #include "content/common/content_export.h" |
37 | 37 |
38 class AudioManager; | |
39 | |
40 namespace content { | 38 namespace content { |
41 class ResourceContext; | 39 class ResourceContext; |
42 } | 40 } |
43 | 41 |
| 42 namespace media { |
| 43 class AudioManager; |
| 44 } |
| 45 |
44 namespace media_stream { | 46 namespace media_stream { |
45 | 47 |
46 class AudioInputDeviceManager; | 48 class AudioInputDeviceManager; |
47 class MediaStreamDeviceSettings; | 49 class MediaStreamDeviceSettings; |
48 class MediaStreamRequester; | 50 class MediaStreamRequester; |
49 class VideoCaptureManager; | 51 class VideoCaptureManager; |
50 | 52 |
51 // MediaStreamManager is used to generate and close new media devices, not to | 53 // MediaStreamManager is used to generate and close new media devices, not to |
52 // start the media flow. | 54 // start the media flow. |
53 // The classes requesting new media streams are answered using | 55 // The classes requesting new media streams are answered using |
54 // MediaStreamManager::Listener. | 56 // MediaStreamManager::Listener. |
55 class CONTENT_EXPORT MediaStreamManager | 57 class CONTENT_EXPORT MediaStreamManager |
56 : public MediaStreamProviderListener, | 58 : public MediaStreamProviderListener, |
57 public SettingsRequester, | 59 public SettingsRequester, |
58 public base::SupportsUserData::Data { | 60 public base::SupportsUserData::Data { |
59 public: | 61 public: |
60 // Returns the MediaStreamManager for the given ResourceContext. If it hasn't | 62 // Returns the MediaStreamManager for the given ResourceContext. If it hasn't |
61 // been created yet, it will be constructed with the given AudioManager. | 63 // been created yet, it will be constructed with the given AudioManager. |
62 static MediaStreamManager* GetForResourceContext( | 64 static MediaStreamManager* GetForResourceContext( |
63 content::ResourceContext* resource_context, | 65 content::ResourceContext* resource_context, |
64 AudioManager* audio_manager); | 66 media::AudioManager* audio_manager); |
65 | 67 |
66 explicit MediaStreamManager(AudioManager* audio_manager); | 68 explicit MediaStreamManager(media::AudioManager* audio_manager); |
67 virtual ~MediaStreamManager(); | 69 virtual ~MediaStreamManager(); |
68 | 70 |
69 // Used to access VideoCaptureManager. | 71 // Used to access VideoCaptureManager. |
70 VideoCaptureManager* video_capture_manager(); | 72 VideoCaptureManager* video_capture_manager(); |
71 | 73 |
72 // Used to access AudioInputDeviceManager. | 74 // Used to access AudioInputDeviceManager. |
73 AudioInputDeviceManager* audio_input_device_manager(); | 75 AudioInputDeviceManager* audio_input_device_manager(); |
74 | 76 |
75 // GenerateStream opens new media devices according to |components|. The | 77 // GenerateStream opens new media devices according to |components|. The |
76 // request is identified using |label|, which is pointing to an already | 78 // request is identified using |label|, which is pointing to an already |
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144 scoped_refptr<VideoCaptureManager> video_capture_manager_; | 146 scoped_refptr<VideoCaptureManager> video_capture_manager_; |
145 scoped_refptr<AudioInputDeviceManager> audio_input_device_manager_; | 147 scoped_refptr<AudioInputDeviceManager> audio_input_device_manager_; |
146 | 148 |
147 // Keeps track of device types currently being enumerated to not enumerate | 149 // Keeps track of device types currently being enumerated to not enumerate |
148 // when not necessary. | 150 // when not necessary. |
149 std::vector<bool> enumeration_in_progress_; | 151 std::vector<bool> enumeration_in_progress_; |
150 | 152 |
151 // All non-closed request. | 153 // All non-closed request. |
152 typedef std::map<std::string, DeviceRequest> DeviceRequests; | 154 typedef std::map<std::string, DeviceRequest> DeviceRequests; |
153 DeviceRequests requests_; | 155 DeviceRequests requests_; |
154 AudioManager* audio_manager_; | 156 media::AudioManager* audio_manager_; |
155 | 157 |
156 DISALLOW_COPY_AND_ASSIGN(MediaStreamManager); | 158 DISALLOW_COPY_AND_ASSIGN(MediaStreamManager); |
157 }; | 159 }; |
158 | 160 |
159 } // namespace media_stream | 161 } // namespace media_stream |
160 | 162 |
161 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ | 163 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ |
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