Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(67)

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

Issue 2169013002: Change class VideoCaptureDevice::Name to struct VideoCaptureDeviceDescriptor (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix build errors Created 4 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
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.
(...skipping 14 matching lines...) Expand all
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 "media/base/video_capture_types.h" 32 #include "media/base/video_capture_types.h"
33 #include "media/capture/video/video_capture_device.h" 33 #include "media/capture/video/video_capture_device.h"
34 #include "media/capture/video/video_capture_device_factory.h" 34 #include "media/capture/video/video_capture_device_factory.h"
35 #include "media/capture/video/video_capture_device_info.h"
36 35
37 #if defined(OS_ANDROID) 36 #if defined(OS_ANDROID)
38 #include "base/android/application_status_listener.h" 37 #include "base/android/application_status_listener.h"
39 #endif 38 #endif
40 39
41 namespace content { 40 namespace content {
42 class VideoCaptureController; 41 class VideoCaptureController;
43 class VideoCaptureControllerEventHandler; 42 class VideoCaptureControllerEventHandler;
44 43
45 // VideoCaptureManager opens/closes and start/stops video capture devices. 44 // VideoCaptureManager opens/closes and start/stops video capture devices.
(...skipping 123 matching lines...) Expand 10 before | Expand all | Expand 10 after
169 #if defined(OS_ANDROID) 168 #if defined(OS_ANDROID)
170 // Some devices had troubles when stopped and restarted quickly, so the device 169 // Some devices had troubles when stopped and restarted quickly, so the device
171 // is only stopped when Chrome is sent to background and not when, e.g., a tab 170 // is only stopped when Chrome is sent to background and not when, e.g., a tab
172 // is hidden, see http://crbug.com/582295. 171 // is hidden, see http://crbug.com/582295.
173 void OnApplicationStateChange(base::android::ApplicationState state); 172 void OnApplicationStateChange(base::android::ApplicationState state);
174 #endif 173 #endif
175 174
176 private: 175 private:
177 class CaptureDeviceStartRequest; 176 class CaptureDeviceStartRequest;
178 class DeviceEntry; 177 class DeviceEntry;
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 DeviceStartQueue = std::list<CaptureDeviceStartRequest>; 183 using DeviceStartQueue = std::list<CaptureDeviceStartRequest>;
184 using VideoCaptureDeviceDescriptor = media::VideoCaptureDeviceDescriptor;
185 using VideoCaptureDeviceDescriptors = media::VideoCaptureDeviceDescriptors;
183 186
184 ~VideoCaptureManager() override; 187 ~VideoCaptureManager() override;
185 188
186 // Helpers to report an event to our Listener. 189 // Helpers to report an event to our Listener.
187 void OnOpened(MediaStreamType type, 190 void OnOpened(MediaStreamType type,
188 media::VideoCaptureSessionId capture_session_id); 191 media::VideoCaptureSessionId capture_session_id);
189 void OnClosed(MediaStreamType type, 192 void OnClosed(MediaStreamType type,
190 media::VideoCaptureSessionId capture_session_id); 193 media::VideoCaptureSessionId capture_session_id);
191 void OnDevicesInfoEnumerated( 194 void OnDevicesInfoEnumerated(MediaStreamType stream_type,
192 MediaStreamType stream_type, 195 base::ElapsedTimer* timer,
193 base::ElapsedTimer* timer, 196 const DeviceInfos& new_devices_info_cache);
194 const media::VideoCaptureDeviceInfos& new_devices_info_cache);
195 197
196 bool IsOnDeviceThread() const; 198 bool IsOnDeviceThread() const;
197 199
198 // Consolidates the cached devices list with the list of currently connected 200 // Consolidates the cached devices list with the list of currently connected
199 // devices in the system |names_snapshot|. Retrieves the supported formats of 201 // devices in the system |names_snapshot|. Retrieves the supported formats of
200 // the new devices and sends the new cache to OnDevicesInfoEnumerated(). 202 // the new devices and sends the new cache to OnDevicesInfoEnumerated().
201 void ConsolidateDevicesInfoOnDeviceThread( 203 void ConsolidateDevicesInfoOnDeviceThread(
202 base::Callback<void(const media::VideoCaptureDeviceInfos&)> 204 base::Callback<void(const DeviceInfos&)> on_devices_enumerated_callback,
203 on_devices_enumerated_callback,
204 MediaStreamType stream_type, 205 MediaStreamType stream_type,
205 const media::VideoCaptureDeviceInfos& old_device_info_cache, 206 const DeviceInfos& old_device_info_cache,
206 std::unique_ptr<VideoCaptureDevice::Names> names_snapshot); 207 std::unique_ptr<VideoCaptureDeviceDescriptors> descriptors_snapshot);
207 208
208 // Checks to see if |entry| has no clients left on its controller. If so, 209 // Checks to see if |entry| has no clients left on its controller. If so,
209 // remove it from the list of devices, and delete it asynchronously. |entry| 210 // remove it from the list of devices, and delete it asynchronously. |entry|
210 // may be freed by this function. 211 // may be freed by this function.
211 void DestroyDeviceEntryIfNoClients(DeviceEntry* entry); 212 void DestroyDeviceEntryIfNoClients(DeviceEntry* entry);
212 213
213 // Retrieve the VideoCaptureDevice associated to |session_id|, or nullptr 214 // Retrieve the VideoCaptureDevice associated to |session_id|, or nullptr
214 // if not found. 215 // if not found.
215 VideoCaptureDevice* GetVideoCaptureDeviceBySessionId(int session_id); 216 VideoCaptureDevice* GetVideoCaptureDeviceBySessionId(int session_id);
216 217
217 // Finds a DeviceEntry in different ways: by its |device_id| and |type| (if it 218 // Finds a DeviceEntry in different ways: by its |device_id| and |type| (if it
218 // is already opened), by its |controller| or by its |serial_id|. In all 219 // is already opened), by its |controller| or by its |serial_id|. In all
219 // cases, if not found, nullptr is returned. 220 // cases, if not found, nullptr is returned.
220 DeviceEntry* GetDeviceEntryByTypeAndId(MediaStreamType type, 221 DeviceEntry* GetDeviceEntryByTypeAndId(MediaStreamType type,
221 const std::string& device_id) const; 222 const std::string& device_id) const;
222 DeviceEntry* GetDeviceEntryByController( 223 DeviceEntry* GetDeviceEntryByController(
223 const VideoCaptureController* controller) const; 224 const VideoCaptureController* controller) const;
224 DeviceEntry* GetDeviceEntryBySerialId(int serial_id) const; 225 DeviceEntry* GetDeviceEntryBySerialId(int serial_id) const;
225 226
226 // Finds the device info by |id| in |devices_info_cache_|, or nullptr. 227 // Finds the device info by |id| in |devices_info_cache_|, or nullptr.
227 media::VideoCaptureDeviceInfo* GetDeviceInfoById(const std::string& id); 228 DeviceInfo* GetDeviceInfoById(const std::string& id);
228 229
229 // Finds a DeviceEntry entry for the indicated |capture_session_id|, creating 230 // Finds a DeviceEntry entry for the indicated |capture_session_id|, creating
230 // a fresh one if necessary. Returns nullptr if said |capture_session_id| is 231 // a fresh one if necessary. Returns nullptr if said |capture_session_id| is
231 // invalid. 232 // invalid.
232 DeviceEntry* GetOrCreateDeviceEntry( 233 DeviceEntry* GetOrCreateDeviceEntry(
233 media::VideoCaptureSessionId capture_session_id, 234 media::VideoCaptureSessionId capture_session_id,
234 const media::VideoCaptureParams& params); 235 const media::VideoCaptureParams& params);
235 236
236 // Starting a capture device can take 1-2 seconds. 237 // Starting a capture device can take 1-2 seconds.
237 // To avoid multiple unnecessary start/stop commands to the OS, each start 238 // To avoid multiple unnecessary start/stop commands to the OS, each start
238 // request is queued in |device_start_queue_|. 239 // request is queued in |device_start_queue_|.
239 // QueueStartDevice creates a new entry in |device_start_queue_| and posts a 240 // QueueStartDevice creates a new entry in |device_start_queue_| and posts a
240 // request to start the device on the device thread unless there is 241 // request to start the device on the device thread unless there is
241 // another request pending start. 242 // another request pending start.
242 void QueueStartDevice(media::VideoCaptureSessionId session_id, 243 void QueueStartDevice(media::VideoCaptureSessionId session_id,
243 DeviceEntry* entry, 244 DeviceEntry* entry,
244 const media::VideoCaptureParams& params); 245 const media::VideoCaptureParams& params);
245 void OnDeviceStarted(int serial_id, 246 void OnDeviceStarted(int serial_id,
246 std::unique_ptr<VideoCaptureDevice> device); 247 std::unique_ptr<VideoCaptureDevice> device);
247 void DoStopDevice(DeviceEntry* entry); 248 void DoStopDevice(DeviceEntry* entry);
248 void HandleQueuedStartRequest(); 249 void HandleQueuedStartRequest();
249 250
250 // Creates and Starts a new VideoCaptureDevice. The resulting 251 // Creates and Starts a new VideoCaptureDevice. The resulting
251 // VideoCaptureDevice is returned to the IO-thread and stored in 252 // VideoCaptureDevice is returned to the IO-thread and stored in
252 // a DeviceEntry in |devices_|. Ownership of |client| passes to 253 // a DeviceEntry in |devices_|. Ownership of |client| passes to
253 // the device. 254 // the device.
254 std::unique_ptr<VideoCaptureDevice> DoStartDeviceCaptureOnDeviceThread( 255 std::unique_ptr<VideoCaptureDevice> DoStartDeviceCaptureOnDeviceThread(
255 const VideoCaptureDevice::Name& name, 256 const VideoCaptureDeviceDescriptor& descriptor,
256 const media::VideoCaptureParams& params, 257 const media::VideoCaptureParams& params,
257 std::unique_ptr<VideoCaptureDevice::Client> client); 258 std::unique_ptr<VideoCaptureDevice::Client> client);
258 259
259 std::unique_ptr<VideoCaptureDevice> DoStartTabCaptureOnDeviceThread( 260 std::unique_ptr<VideoCaptureDevice> DoStartTabCaptureOnDeviceThread(
260 const std::string& device_id, 261 const std::string& device_id,
261 const media::VideoCaptureParams& params, 262 const media::VideoCaptureParams& params,
262 std::unique_ptr<VideoCaptureDevice::Client> client); 263 std::unique_ptr<VideoCaptureDevice::Client> client);
263 264
264 std::unique_ptr<VideoCaptureDevice> DoStartDesktopCaptureOnDeviceThread( 265 std::unique_ptr<VideoCaptureDevice> DoStartDesktopCaptureOnDeviceThread(
265 const std::string& device_id, 266 const std::string& device_id,
(...skipping 62 matching lines...) Expand 10 before | Expand all | Expand 10 after
328 std::unique_ptr<media::VideoCaptureDeviceFactory> 329 std::unique_ptr<media::VideoCaptureDeviceFactory>
329 video_capture_device_factory_; 330 video_capture_device_factory_;
330 331
331 // Local cache of the enumerated video capture devices' names and capture 332 // Local cache of the enumerated video capture devices' names and capture
332 // supported formats. A snapshot of the current devices and their capabilities 333 // supported formats. A snapshot of the current devices and their capabilities
333 // is composed in VideoCaptureDeviceFactory::EnumerateDeviceNames() and 334 // is composed in VideoCaptureDeviceFactory::EnumerateDeviceNames() and
334 // ConsolidateDevicesInfoOnDeviceThread(), and this snapshot is used to update 335 // ConsolidateDevicesInfoOnDeviceThread(), and this snapshot is used to update
335 // this list in OnDevicesInfoEnumerated(). GetDeviceSupportedFormats() will 336 // this list in OnDevicesInfoEnumerated(). GetDeviceSupportedFormats() will
336 // use this list if the device is not started, otherwise it will retrieve the 337 // use this list if the device is not started, otherwise it will retrieve the
337 // active device capture format from the VideoCaptureController associated. 338 // active device capture format from the VideoCaptureController associated.
338 media::VideoCaptureDeviceInfos devices_info_cache_; 339 DeviceInfos devices_info_cache_;
339 340
340 // Map used by DesktopCapture. 341 // Map used by DesktopCapture.
341 std::map<media::VideoCaptureSessionId, gfx::NativeViewId> 342 std::map<media::VideoCaptureSessionId, gfx::NativeViewId>
342 notification_window_ids_; 343 notification_window_ids_;
343 344
344 DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager); 345 DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager);
345 }; 346 };
346 347
347 } // namespace content 348 } // namespace content
348 349
349 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_ 350 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698