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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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142 // during device(s) enumeration, and depending on the underlying | 142 // during device(s) enumeration, and depending on the underlying |
143 // implementation, could be an empty list. | 143 // implementation, could be an empty list. |
144 bool GetDeviceSupportedFormats(const std::string& device_id, | 144 bool GetDeviceSupportedFormats(const std::string& device_id, |
145 media::VideoCaptureFormats* supported_formats); | 145 media::VideoCaptureFormats* supported_formats); |
146 | 146 |
147 // Retrieves the format(s) currently in use. Returns false if the | 147 // Retrieves the format(s) currently in use. Returns false if the |
148 // |capture_session_id| is not found. Returns true and |formats_in_use| | 148 // |capture_session_id| is not found. Returns true and |formats_in_use| |
149 // otherwise. |formats_in_use| is empty if the device is not in use. | 149 // otherwise. |formats_in_use| is empty if the device is not in use. |
150 bool GetDeviceFormatsInUse(media::VideoCaptureSessionId capture_session_id, | 150 bool GetDeviceFormatsInUse(media::VideoCaptureSessionId capture_session_id, |
151 media::VideoCaptureFormats* formats_in_use); | 151 media::VideoCaptureFormats* formats_in_use); |
152 // Retrieves the format(s) currently in use. Returns false if the | 152 // Retrieves the format currently in use. Returns base::nullopt if the |
153 // |stream_type|, |device_id| pair is not found. Returns true and | 153 // |stream_type|, |device_id| pair is not found. Returns in-use format of the |
154 // |formats_in_use| otherwise. |formats_in_use| is empty if the device is not | 154 // device otherwise. |
155 // in use. | 155 base::Optional<media::VideoCaptureFormat> GetDeviceFormatInUse( |
156 bool GetDeviceFormatsInUse(MediaStreamType stream_type, | 156 MediaStreamType stream_type, |
157 const std::string& device_id, | 157 const std::string& device_id); |
158 media::VideoCaptureFormats* supported_formats); | |
159 | 158 |
160 // Sets the platform-dependent window ID for the desktop capture notification | 159 // Sets the platform-dependent window ID for the desktop capture notification |
161 // UI for the given session. | 160 // UI for the given session. |
162 void SetDesktopCaptureWindowId(media::VideoCaptureSessionId session_id, | 161 void SetDesktopCaptureWindowId(media::VideoCaptureSessionId session_id, |
163 gfx::NativeViewId window_id); | 162 gfx::NativeViewId window_id); |
164 | 163 |
165 void GetPhotoCapabilities( | 164 void GetPhotoCapabilities( |
166 int session_id, | 165 int session_id, |
167 VideoCaptureDevice::GetPhotoCapabilitiesCallback callback); | 166 VideoCaptureDevice::GetPhotoCapabilitiesCallback callback); |
168 void SetPhotoOptions(int session_id, | 167 void SetPhotoOptions(int session_id, |
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306 // Map used by DesktopCapture. | 305 // Map used by DesktopCapture. |
307 std::map<media::VideoCaptureSessionId, gfx::NativeViewId> | 306 std::map<media::VideoCaptureSessionId, gfx::NativeViewId> |
308 notification_window_ids_; | 307 notification_window_ids_; |
309 | 308 |
310 DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager); | 309 DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager); |
311 }; | 310 }; |
312 | 311 |
313 } // namespace content | 312 } // namespace content |
314 | 313 |
315 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_ | 314 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_ |
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