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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 media capture devices (video supported | 5 // MediaStreamManager is used to open media capture devices (video supported |
6 // now). Call flow: | 6 // 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 MediaStreamUIController for permission to | 9 // 2. MediaStreamManager will ask MediaStreamUIController 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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42 #include "content/browser/renderer_host/media/media_devices_manager.h" | 42 #include "content/browser/renderer_host/media/media_devices_manager.h" |
43 #include "content/browser/renderer_host/media/media_stream_provider.h" | 43 #include "content/browser/renderer_host/media/media_stream_provider.h" |
44 #include "content/common/content_export.h" | 44 #include "content/common/content_export.h" |
45 #include "content/common/media/media_devices.h" | 45 #include "content/common/media/media_devices.h" |
46 #include "content/common/media/media_stream_options.h" | 46 #include "content/common/media/media_stream_options.h" |
47 #include "content/public/browser/media_request_state.h" | 47 #include "content/public/browser/media_request_state.h" |
48 #include "media/base/video_facing.h" | 48 #include "media/base/video_facing.h" |
49 | 49 |
50 namespace media { | 50 namespace media { |
51 class AudioSystem; | 51 class AudioSystem; |
| 52 class VideoCaptureSystem; |
52 } | 53 } |
53 | 54 |
54 namespace url { | 55 namespace url { |
55 class Origin; | 56 class Origin; |
56 } | 57 } |
57 | 58 |
58 namespace content { | 59 namespace content { |
59 | 60 |
60 class AudioInputDeviceManager; | 61 class AudioInputDeviceManager; |
61 class FakeMediaStreamUIProxy; | 62 class FakeMediaStreamUIProxy; |
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80 typedef base::Callback<bool(const StreamControls&)> | 81 typedef base::Callback<bool(const StreamControls&)> |
81 GenerateStreamTestCallback; | 82 GenerateStreamTestCallback; |
82 | 83 |
83 // Adds |message| to native logs for outstanding device requests, for use by | 84 // Adds |message| to native logs for outstanding device requests, for use by |
84 // render processes hosts whose corresponding render processes are requesting | 85 // render processes hosts whose corresponding render processes are requesting |
85 // logging from webrtcLoggingPrivate API. Safe to call from any thread. | 86 // logging from webrtcLoggingPrivate API. Safe to call from any thread. |
86 static void SendMessageToNativeLog(const std::string& message); | 87 static void SendMessageToNativeLog(const std::string& message); |
87 | 88 |
88 explicit MediaStreamManager(media::AudioSystem* audio_system); | 89 explicit MediaStreamManager(media::AudioSystem* audio_system); |
89 | 90 |
| 91 // |audio_system| is required but defaults will be used if either |
| 92 // |video_capture_system| or |device_task_runner| are null. |
| 93 explicit MediaStreamManager( |
| 94 media::AudioSystem* audio_system, |
| 95 std::unique_ptr<media::VideoCaptureSystem> video_capture_system, |
| 96 scoped_refptr<base::SingleThreadTaskRunner> device_task_runner); |
| 97 |
90 ~MediaStreamManager() override; | 98 ~MediaStreamManager() override; |
91 | 99 |
92 // Used to access VideoCaptureManager. | 100 // Used to access VideoCaptureManager. |
93 VideoCaptureManager* video_capture_manager(); | 101 VideoCaptureManager* video_capture_manager(); |
94 | 102 |
95 // Used to access AudioInputDeviceManager. | 103 // Used to access AudioInputDeviceManager. |
96 AudioInputDeviceManager* audio_input_device_manager(); | 104 AudioInputDeviceManager* audio_input_device_manager(); |
97 | 105 |
98 // Used to access MediaDevicesManager. | 106 // Used to access MediaDevicesManager. |
99 MediaDevicesManager* media_devices_manager(); | 107 MediaDevicesManager* media_devices_manager(); |
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266 private: | 274 private: |
267 // Contains all data needed to keep track of requests. | 275 // Contains all data needed to keep track of requests. |
268 class DeviceRequest; | 276 class DeviceRequest; |
269 | 277 |
270 // |DeviceRequests| is a list to ensure requests are processed in the order | 278 // |DeviceRequests| is a list to ensure requests are processed in the order |
271 // they arrive. The first member of the pair is the label of the | 279 // they arrive. The first member of the pair is the label of the |
272 // |DeviceRequest|. | 280 // |DeviceRequest|. |
273 using LabeledDeviceRequest = std::pair<std::string, DeviceRequest*>; | 281 using LabeledDeviceRequest = std::pair<std::string, DeviceRequest*>; |
274 using DeviceRequests = std::list<LabeledDeviceRequest>; | 282 using DeviceRequests = std::list<LabeledDeviceRequest>; |
275 | 283 |
276 // Initializes the device managers on IO thread. Auto-starts the device | 284 void InitializeMaybeAsync( |
277 // thread and registers this as a listener with the device managers. | 285 std::unique_ptr<media::VideoCaptureSystem> video_capture_system, |
278 void InitializeDeviceManagersOnIOThread(); | 286 scoped_refptr<base::SingleThreadTaskRunner> device_task_runner); |
279 | 287 |
280 // |output_parameters| contains real values only if the request requires it. | 288 // |output_parameters| contains real values only if the request requires it. |
281 void HandleAccessRequestResponse( | 289 void HandleAccessRequestResponse( |
282 const std::string& label, | 290 const std::string& label, |
283 const media::AudioParameters& output_parameters, | 291 const media::AudioParameters& output_parameters, |
284 const MediaStreamDevices& devices, | 292 const MediaStreamDevices& devices, |
285 content::MediaStreamRequestResult result); | 293 content::MediaStreamRequestResult result); |
286 void StopMediaStreamFromBrowser(const std::string& label); | 294 void StopMediaStreamFromBrowser(const std::string& label); |
287 | 295 |
288 // Helpers. | 296 // Helpers. |
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418 std::map<int, base::Callback<void(const std::string&)>> log_callbacks_; | 426 std::map<int, base::Callback<void(const std::string&)>> log_callbacks_; |
419 | 427 |
420 GenerateStreamTestCallback generate_stream_test_callback_; | 428 GenerateStreamTestCallback generate_stream_test_callback_; |
421 | 429 |
422 DISALLOW_COPY_AND_ASSIGN(MediaStreamManager); | 430 DISALLOW_COPY_AND_ASSIGN(MediaStreamManager); |
423 }; | 431 }; |
424 | 432 |
425 } // namespace content | 433 } // namespace content |
426 | 434 |
427 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ | 435 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_MANAGER_H_ |
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