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

Issue 2214533002: move //media/capture to //device/capture (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 4 months 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 // VideoCaptureManager is used to open/close, start/stop, enumerate available 5 // VideoCaptureManager is used to open/close, start/stop, enumerate available
6 // video capture devices, and manage VideoCaptureController's. 6 // video capture devices, and manage VideoCaptureController's.
7 // All functions are expected to be called from Browser::IO thread. Some helper 7 // All functions are expected to be called from Browser::IO thread. Some helper
8 // functions (*OnDeviceThread) will dispatch operations to the device thread. 8 // functions (*OnDeviceThread) will dispatch operations to the device thread.
9 // VideoCaptureManager will open OS dependent instances of VideoCaptureDevice. 9 // VideoCaptureManager will open OS dependent instances of VideoCaptureDevice.
10 // A device can only be opened once. 10 // A device can only be opened once.
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22 #include "base/memory/weak_ptr.h" 22 #include "base/memory/weak_ptr.h"
23 #include "base/message_loop/message_loop.h" 23 #include "base/message_loop/message_loop.h"
24 #include "base/process/process_handle.h" 24 #include "base/process/process_handle.h"
25 #include "base/threading/thread_checker.h" 25 #include "base/threading/thread_checker.h"
26 #include "base/timer/elapsed_timer.h" 26 #include "base/timer/elapsed_timer.h"
27 #include "build/build_config.h" 27 #include "build/build_config.h"
28 #include "content/browser/renderer_host/media/media_stream_provider.h" 28 #include "content/browser/renderer_host/media/media_stream_provider.h"
29 #include "content/browser/renderer_host/media/video_capture_controller_event_han dler.h" 29 #include "content/browser/renderer_host/media/video_capture_controller_event_han dler.h"
30 #include "content/common/content_export.h" 30 #include "content/common/content_export.h"
31 #include "content/common/media/media_stream_options.h" 31 #include "content/common/media/media_stream_options.h"
32 #include "device/capture/video/video_capture_device.h"
33 #include "device/capture/video/video_capture_device_factory.h"
32 #include "media/base/video_capture_types.h" 34 #include "media/base/video_capture_types.h"
33 #include "media/capture/video/video_capture_device.h"
34 #include "media/capture/video/video_capture_device_factory.h"
35 35
36 #if defined(OS_ANDROID) 36 #if defined(OS_ANDROID)
37 #include "base/android/application_status_listener.h" 37 #include "base/android/application_status_listener.h"
38 #endif 38 #endif
39 39
40 namespace content { 40 namespace content {
41 class VideoCaptureController; 41 class VideoCaptureController;
42 class VideoCaptureControllerEventHandler; 42 class VideoCaptureControllerEventHandler;
43 43
44 // VideoCaptureManager opens/closes and start/stops video capture devices. 44 // VideoCaptureManager opens/closes and start/stops video capture devices.
45 class CONTENT_EXPORT VideoCaptureManager : public MediaStreamProvider { 45 class CONTENT_EXPORT VideoCaptureManager : public MediaStreamProvider {
46 public: 46 public:
47 using VideoCaptureDevice = media::VideoCaptureDevice; 47 using VideoCaptureDevice = device::VideoCaptureDevice;
48 48
49 // Callback used to signal the completion of a controller lookup. 49 // Callback used to signal the completion of a controller lookup.
50 using DoneCB = 50 using DoneCB =
51 base::Callback<void(const base::WeakPtr<VideoCaptureController>&)>; 51 base::Callback<void(const base::WeakPtr<VideoCaptureController>&)>;
52 52
53 explicit VideoCaptureManager( 53 explicit VideoCaptureManager(
54 std::unique_ptr<media::VideoCaptureDeviceFactory> factory); 54 std::unique_ptr<device::VideoCaptureDeviceFactory> factory);
55 55
56 void Unregister(); 56 void Unregister();
57 57
58 // Implements MediaStreamProvider. 58 // Implements MediaStreamProvider.
59 void Register(MediaStreamProviderListener* listener, 59 void Register(MediaStreamProviderListener* listener,
60 const scoped_refptr<base::SingleThreadTaskRunner>& 60 const scoped_refptr<base::SingleThreadTaskRunner>&
61 device_task_runner) override; 61 device_task_runner) override;
62 62
63 void EnumerateDevices(MediaStreamType stream_type) override; 63 void EnumerateDevices(MediaStreamType stream_type) override;
64 64
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133 // otherwise. |formats_in_use| is empty if the device is not in use. 133 // otherwise. |formats_in_use| is empty if the device is not in use.
134 bool GetDeviceFormatsInUse(media::VideoCaptureSessionId capture_session_id, 134 bool GetDeviceFormatsInUse(media::VideoCaptureSessionId capture_session_id,
135 media::VideoCaptureFormats* formats_in_use); 135 media::VideoCaptureFormats* formats_in_use);
136 136
137 // Sets the platform-dependent window ID for the desktop capture notification 137 // Sets the platform-dependent window ID for the desktop capture notification
138 // UI for the given session. 138 // UI for the given session.
139 void SetDesktopCaptureWindowId(media::VideoCaptureSessionId session_id, 139 void SetDesktopCaptureWindowId(media::VideoCaptureSessionId session_id,
140 gfx::NativeViewId window_id); 140 gfx::NativeViewId window_id);
141 141
142 // Gets a weak reference to the device factory, used for tests. 142 // Gets a weak reference to the device factory, used for tests.
143 media::VideoCaptureDeviceFactory* video_capture_device_factory() const { 143 device::VideoCaptureDeviceFactory* video_capture_device_factory() const {
144 return video_capture_device_factory_.get(); 144 return video_capture_device_factory_.get();
145 } 145 }
146 146
147 #if defined(OS_WIN) 147 #if defined(OS_WIN)
148 void set_device_task_runner( 148 void set_device_task_runner(
149 const scoped_refptr<base::SingleThreadTaskRunner>& device_task_runner) { 149 const scoped_refptr<base::SingleThreadTaskRunner>& device_task_runner) {
150 device_task_runner_ = device_task_runner; 150 device_task_runner_ = device_task_runner;
151 } 151 }
152 #endif 152 #endif
153 153
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174 174
175 private: 175 private:
176 class CaptureDeviceStartRequest; 176 class CaptureDeviceStartRequest;
177 class DeviceEntry; 177 class DeviceEntry;
178 struct DeviceInfo; 178 struct DeviceInfo;
179 179
180 using SessionMap = std::map<media::VideoCaptureSessionId, MediaStreamDevice>; 180 using SessionMap = std::map<media::VideoCaptureSessionId, MediaStreamDevice>;
181 using DeviceEntries = std::vector<std::unique_ptr<DeviceEntry>>; 181 using DeviceEntries = std::vector<std::unique_ptr<DeviceEntry>>;
182 using DeviceInfos = std::vector<DeviceInfo>; 182 using DeviceInfos = std::vector<DeviceInfo>;
183 using DeviceStartQueue = std::list<CaptureDeviceStartRequest>; 183 using DeviceStartQueue = std::list<CaptureDeviceStartRequest>;
184 using VideoCaptureDeviceDescriptor = media::VideoCaptureDeviceDescriptor; 184 using VideoCaptureDeviceDescriptor = device::VideoCaptureDeviceDescriptor;
185 using VideoCaptureDeviceDescriptors = media::VideoCaptureDeviceDescriptors; 185 using VideoCaptureDeviceDescriptors = device::VideoCaptureDeviceDescriptors;
186 186
187 ~VideoCaptureManager() override; 187 ~VideoCaptureManager() override;
188 188
189 // Helpers to report an event to our Listener. 189 // Helpers to report an event to our Listener.
190 void OnOpened(MediaStreamType type, 190 void OnOpened(MediaStreamType type,
191 media::VideoCaptureSessionId capture_session_id); 191 media::VideoCaptureSessionId capture_session_id);
192 void OnClosed(MediaStreamType type, 192 void OnClosed(MediaStreamType type,
193 media::VideoCaptureSessionId capture_session_id); 193 media::VideoCaptureSessionId capture_session_id);
194 void OnDevicesInfoEnumerated(MediaStreamType stream_type, 194 void OnDevicesInfoEnumerated(MediaStreamType stream_type,
195 base::ElapsedTimer* timer, 195 base::ElapsedTimer* timer,
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264 264
265 std::unique_ptr<VideoCaptureDevice> DoStartDesktopCaptureOnDeviceThread( 265 std::unique_ptr<VideoCaptureDevice> DoStartDesktopCaptureOnDeviceThread(
266 const std::string& device_id, 266 const std::string& device_id,
267 const media::VideoCaptureParams& params, 267 const media::VideoCaptureParams& params,
268 std::unique_ptr<VideoCaptureDevice::Client> client); 268 std::unique_ptr<VideoCaptureDevice::Client> client);
269 269
270 // Stops and destroys the VideoCaptureDevice held in |device|. 270 // Stops and destroys the VideoCaptureDevice held in |device|.
271 void DoStopDeviceOnDeviceThread(std::unique_ptr<VideoCaptureDevice> device); 271 void DoStopDeviceOnDeviceThread(std::unique_ptr<VideoCaptureDevice> device);
272 272
273 void MaybePostDesktopCaptureWindowId(media::VideoCaptureSessionId session_id); 273 void MaybePostDesktopCaptureWindowId(media::VideoCaptureSessionId session_id);
274 void SetDesktopCaptureWindowIdOnDeviceThread( 274 void SetDesktopCaptureWindowIdOnDeviceThread(VideoCaptureDevice* device,
275 media::VideoCaptureDevice* device, 275 gfx::NativeViewId window_id);
276 gfx::NativeViewId window_id);
277 276
278 #if defined(OS_MACOSX) 277 #if defined(OS_MACOSX)
279 // Called on the IO thread after the device layer has been initialized on Mac. 278 // Called on the IO thread after the device layer has been initialized on Mac.
280 // Sets |capture_device_api_initialized_| to true and then executes and_then. 279 // Sets |capture_device_api_initialized_| to true and then executes and_then.
281 void OnDeviceLayerInitialized(const base::Closure& and_then); 280 void OnDeviceLayerInitialized(const base::Closure& and_then);
282 281
283 // Returns true if the current operation needs to be preempted by a call to 282 // Returns true if the current operation needs to be preempted by a call to
284 // InitializeCaptureDeviceApiOnUIThread. 283 // InitializeCaptureDeviceApiOnUIThread.
285 // Called on the IO thread. 284 // Called on the IO thread.
286 bool NeedToInitializeCaptureDeviceApi(MediaStreamType stream_type); 285 bool NeedToInitializeCaptureDeviceApi(MediaStreamType stream_type);
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319 318
320 // Currently opened DeviceEntry instances (each owning a VideoCaptureDevice - 319 // Currently opened DeviceEntry instances (each owning a VideoCaptureDevice -
321 // VideoCaptureController pair). The device may or may not be started. This 320 // VideoCaptureController pair). The device may or may not be started. This
322 // member is only accessed on IO thread. 321 // member is only accessed on IO thread.
323 DeviceEntries devices_; 322 DeviceEntries devices_;
324 323
325 DeviceStartQueue device_start_queue_; 324 DeviceStartQueue device_start_queue_;
326 325
327 // Device creation factory injected on construction from MediaStreamManager or 326 // Device creation factory injected on construction from MediaStreamManager or
328 // from the test harness. 327 // from the test harness.
329 std::unique_ptr<media::VideoCaptureDeviceFactory> 328 std::unique_ptr<device::VideoCaptureDeviceFactory>
330 video_capture_device_factory_; 329 video_capture_device_factory_;
331 330
332 // Local cache of the enumerated video capture devices' names and capture 331 // Local cache of the enumerated video capture devices' names and capture
333 // supported formats. A snapshot of the current devices and their capabilities 332 // supported formats. A snapshot of the current devices and their capabilities
334 // is composed in VideoCaptureDeviceFactory::EnumerateDeviceNames() and 333 // is composed in VideoCaptureDeviceFactory::EnumerateDeviceNames() and
335 // ConsolidateDevicesInfoOnDeviceThread(), and this snapshot is used to update 334 // ConsolidateDevicesInfoOnDeviceThread(), and this snapshot is used to update
336 // this list in OnDevicesInfoEnumerated(). GetDeviceSupportedFormats() will 335 // this list in OnDevicesInfoEnumerated(). GetDeviceSupportedFormats() will
337 // use this list if the device is not started, otherwise it will retrieve the 336 // use this list if the device is not started, otherwise it will retrieve the
338 // active device capture format from the VideoCaptureController associated. 337 // active device capture format from the VideoCaptureController associated.
339 DeviceInfos devices_info_cache_; 338 DeviceInfos devices_info_cache_;
340 339
341 // Map used by DesktopCapture. 340 // Map used by DesktopCapture.
342 std::map<media::VideoCaptureSessionId, gfx::NativeViewId> 341 std::map<media::VideoCaptureSessionId, gfx::NativeViewId>
343 notification_window_ids_; 342 notification_window_ids_;
344 343
345 DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager); 344 DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager);
346 }; 345 };
347 346
348 } // namespace content 347 } // namespace content
349 348
350 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_ 349 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_
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