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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "media/capture/video/linux/video_capture_device_factory_linux.h" | 5 #include "media/capture/video/linux/video_capture_device_factory_linux.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 #include <sys/ioctl.h> | 10 #include <sys/ioctl.h> |
11 | 11 |
12 #include "base/files/file_enumerator.h" | 12 #include "base/files/file_enumerator.h" |
13 #include "base/files/scoped_file.h" | 13 #include "base/files/scoped_file.h" |
14 #include "base/posix/eintr_wrapper.h" | 14 #include "base/posix/eintr_wrapper.h" |
15 #include "base/strings/stringprintf.h" | 15 #include "base/strings/stringprintf.h" |
16 #include "build/build_config.h" | 16 #include "build/build_config.h" |
17 | 17 |
18 #if defined(OS_OPENBSD) | 18 #if defined(OS_OPENBSD) |
19 #include <sys/videoio.h> | 19 #include <sys/videoio.h> |
20 #else | 20 #else |
21 #include <linux/videodev2.h> | 21 #include <linux/videodev2.h> |
22 #endif | 22 #endif |
23 | 23 |
24 #if defined(OS_CHROMEOS) | 24 #if defined(OS_CHROMEOS) |
25 #include "base/lazy_instance.h" | |
26 #include "media/capture/video/linux/camera_config_chromeos.h" | 25 #include "media/capture/video/linux/camera_config_chromeos.h" |
27 #include "media/capture/video/linux/video_capture_device_chromeos.h" | 26 #include "media/capture/video/linux/video_capture_device_chromeos.h" |
28 #endif | 27 #endif |
29 #include "media/capture/video/linux/video_capture_device_linux.h" | 28 #include "media/capture/video/linux/video_capture_device_linux.h" |
30 | 29 |
31 namespace media { | 30 namespace media { |
32 | 31 |
33 namespace { | |
34 | |
35 #if defined(OS_CHROMEOS) | |
36 base::LazyInstance<media::CameraConfigChromeOS>::Leaky g_camera_config = | |
37 LAZY_INSTANCE_INITIALIZER; | |
38 #endif | |
39 } | |
40 | |
41 // USB VID and PID are both 4 bytes long. | 32 // USB VID and PID are both 4 bytes long. |
42 static const size_t kVidPidSize = 4; | 33 static const size_t kVidPidSize = 4; |
43 | 34 |
44 // /sys/class/video4linux/video{N}/device is a symlink to the corresponding | 35 // /sys/class/video4linux/video{N}/device is a symlink to the corresponding |
45 // USB device info directory. | 36 // USB device info directory. |
46 static const char kVidPathTemplate[] = | 37 static const char kVidPathTemplate[] = |
47 "/sys/class/video4linux/%s/device/../idVendor"; | 38 "/sys/class/video4linux/%s/device/../idVendor"; |
48 static const char kPidPathTemplate[] = | 39 static const char kPidPathTemplate[] = |
49 "/sys/class/video4linux/%s/device/../idProduct"; | 40 "/sys/class/video4linux/%s/device/../idProduct"; |
50 | 41 |
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209 // supported capture format. Devices that have capture and output | 200 // supported capture format. Devices that have capture and output |
210 // capabilities at the same time are memory-to-memory and are skipped, see | 201 // capabilities at the same time are memory-to-memory and are skipped, see |
211 // http://crbug.com/139356. | 202 // http://crbug.com/139356. |
212 v4l2_capability cap; | 203 v4l2_capability cap; |
213 if ((HANDLE_EINTR(ioctl(fd.get(), VIDIOC_QUERYCAP, &cap)) == 0) && | 204 if ((HANDLE_EINTR(ioctl(fd.get(), VIDIOC_QUERYCAP, &cap)) == 0) && |
214 (cap.capabilities & V4L2_CAP_VIDEO_CAPTURE && | 205 (cap.capabilities & V4L2_CAP_VIDEO_CAPTURE && |
215 !(cap.capabilities & V4L2_CAP_VIDEO_OUTPUT)) && | 206 !(cap.capabilities & V4L2_CAP_VIDEO_OUTPUT)) && |
216 HasUsableFormats(fd.get(), cap.capabilities)) { | 207 HasUsableFormats(fd.get(), cap.capabilities)) { |
217 const std::string model_id = GetDeviceModelId(unique_id); | 208 const std::string model_id = GetDeviceModelId(unique_id); |
218 #if defined(OS_CHROMEOS) | 209 #if defined(OS_CHROMEOS) |
| 210 static CameraConfigChromeOS* config = new CameraConfigChromeOS(); |
219 device_descriptors->emplace_back( | 211 device_descriptors->emplace_back( |
220 reinterpret_cast<char*>(cap.card), unique_id, model_id, | 212 reinterpret_cast<char*>(cap.card), unique_id, model_id, |
221 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE, | 213 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE, |
222 VideoCaptureTransportType::OTHER_TRANSPORT, | 214 VideoCaptureTransportType::OTHER_TRANSPORT, |
223 g_camera_config.Get().GetCameraFacing(unique_id, model_id)); | 215 config->GetCameraFacing(unique_id, model_id)); |
224 #else | 216 #else |
225 device_descriptors->emplace_back( | 217 device_descriptors->emplace_back( |
226 reinterpret_cast<char*>(cap.card), unique_id, model_id, | 218 reinterpret_cast<char*>(cap.card), unique_id, model_id, |
227 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE); | 219 VideoCaptureApi::LINUX_V4L2_SINGLE_PLANE); |
228 #endif | 220 #endif |
229 } | 221 } |
230 } | 222 } |
231 // Since JS doesn't have API to get camera facing, we sort the list to make | 223 // Since JS doesn't have API to get camera facing, we sort the list to make |
232 // sure apps use the front camera by default. | 224 // sure apps use the front camera by default. |
233 // TODO(henryhsu): remove this after JS API completed (crbug.com/543997). | 225 // TODO(henryhsu): remove this after JS API completed (crbug.com/543997). |
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273 } | 265 } |
274 | 266 |
275 // static | 267 // static |
276 VideoCaptureDeviceFactory* | 268 VideoCaptureDeviceFactory* |
277 VideoCaptureDeviceFactory::CreateVideoCaptureDeviceFactory( | 269 VideoCaptureDeviceFactory::CreateVideoCaptureDeviceFactory( |
278 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) { | 270 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) { |
279 return new VideoCaptureDeviceFactoryLinux(ui_task_runner); | 271 return new VideoCaptureDeviceFactoryLinux(ui_task_runner); |
280 } | 272 } |
281 | 273 |
282 } // namespace media | 274 } // namespace media |
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