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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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23 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ | 23 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ |
24 | 24 |
25 #include <map> | 25 #include <map> |
26 #include <string> | 26 #include <string> |
27 #include <vector> | 27 #include <vector> |
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/threading/thread.h" | 32 #include "base/threading/thread.h" |
33 #include "base/win/scoped_com_initializer.h" | |
34 #include "content/browser/renderer_host/media/media_stream_provider.h" | 33 #include "content/browser/renderer_host/media/media_stream_provider.h" |
35 #include "content/browser/renderer_host/media/media_stream_settings_requester.h" | 34 #include "content/browser/renderer_host/media/media_stream_settings_requester.h" |
36 #include "content/common/media/media_stream_options.h" | 35 #include "content/common/media/media_stream_options.h" |
37 #include "content/common/content_export.h" | 36 #include "content/common/content_export.h" |
38 #include "content/public/browser/browser_thread.h" | 37 #include "content/public/browser/browser_thread.h" |
39 | 38 |
40 using base::win::ScopedCOMInitializer; | |
41 | |
42 namespace media_stream { | 39 namespace media_stream { |
43 | 40 |
44 class AudioInputDeviceManager; | 41 class AudioInputDeviceManager; |
45 class MediaStreamDeviceSettings; | 42 class MediaStreamDeviceSettings; |
46 class MediaStreamRequester; | 43 class MediaStreamRequester; |
47 class VideoCaptureManager; | 44 class VideoCaptureManager; |
48 | 45 |
49 // Thread that enters MTA on windows, and is base::Thread on linux and mac. | 46 // Thread that enters MTA on windows, and is base::Thread on linux and mac. |
50 class DeviceThread : public base::Thread { | 47 class DeviceThread : public base::Thread { |
51 public: | 48 public: |
52 explicit DeviceThread(const char* name) | 49 explicit DeviceThread(const char* name); |
53 : base::Thread(name), | 50 |
54 com_init_(ScopedCOMInitializer::kMTA) {} | 51 protected: |
52 virtual void Init() OVERRIDE; | |
53 virtual void CleanUp() OVERRIDE; | |
55 | 54 |
56 private: | 55 private: |
57 ScopedCOMInitializer com_init_; | 56 bool com_initialized_; |
tommi (sloooow) - chröme
2012/07/06 22:17:09
yikes, I see what you mean... should have been cau
grt (UTC plus 2)
2012/07/06 23:07:25
awesome idea. done.
| |
58 DISALLOW_COPY_AND_ASSIGN(DeviceThread); | 57 DISALLOW_COPY_AND_ASSIGN(DeviceThread); |
59 }; | 58 }; |
60 | 59 |
61 // MediaStreamManager is used to generate and close new media devices, not to | 60 // MediaStreamManager is used to generate and close new media devices, not to |
62 // start the media flow. | 61 // start the media flow. |
63 // The classes requesting new media streams are answered using | 62 // The classes requesting new media streams are answered using |
64 // MediaStreamManager::Listener. | 63 // MediaStreamManager::Listener. |
65 class CONTENT_EXPORT MediaStreamManager | 64 class CONTENT_EXPORT MediaStreamManager |
66 : public MediaStreamProviderListener, | 65 : public MediaStreamProviderListener, |
67 public SettingsRequester { | 66 public SettingsRequester { |
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174 // All non-closed request. | 173 // All non-closed request. |
175 typedef std::map<std::string, DeviceRequest> DeviceRequests; | 174 typedef std::map<std::string, DeviceRequest> DeviceRequests; |
176 DeviceRequests requests_; | 175 DeviceRequests requests_; |
177 | 176 |
178 DISALLOW_COPY_AND_ASSIGN(MediaStreamManager); | 177 DISALLOW_COPY_AND_ASSIGN(MediaStreamManager); |
179 }; | 178 }; |
180 | 179 |
181 } // namespace media_stream | 180 } // namespace media_stream |
182 | 181 |
183 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ | 182 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ |
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