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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2004 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 #include "talk/media/devices/devicemanager.h" | |
| 29 | |
| 30 #include "talk/media/base/mediacommon.h" | |
| 31 #include "talk/media/base/videocapturerfactory.h" | |
| 32 #include "talk/media/devices/deviceinfo.h" | |
| 33 #include "talk/media/devices/filevideocapturer.h" | |
| 34 #include "talk/media/devices/yuvframescapturer.h" | |
| 35 #include "webrtc/base/fileutils.h" | |
| 36 #include "webrtc/base/logging.h" | |
| 37 #include "webrtc/base/pathutils.h" | |
| 38 #include "webrtc/base/stringutils.h" | |
| 39 #include "webrtc/base/thread.h" | |
| 40 #include "webrtc/base/windowpicker.h" | |
| 41 #include "webrtc/base/windowpickerfactory.h" | |
| 42 | |
| 43 #ifdef HAVE_WEBRTC_VIDEO | |
| 44 #include "talk/media/webrtc/webrtcvideocapturerfactory.h" | |
| 45 #endif // HAVE_WEBRTC_VIDEO | |
| 46 | |
| 47 namespace { | |
| 48 | |
| 49 bool StringMatchWithWildcard( | |
| 50 const std::pair<const std::basic_string<char>, cricket::VideoFormat> key, | |
| 51 const std::string& val) { | |
| 52 return rtc::string_match(val.c_str(), key.first.c_str()); | |
| 53 } | |
| 54 | |
| 55 } // namespace | |
| 56 | |
| 57 namespace cricket { | |
| 58 | |
| 59 // Initialize to empty string. | |
| 60 const char DeviceManagerInterface::kDefaultDeviceName[] = ""; | |
| 61 | |
| 62 DeviceManager::DeviceManager() | |
| 63 : initialized_(false), | |
| 64 window_picker_(rtc::WindowPickerFactory::CreateWindowPicker()) { | |
| 65 #ifdef HAVE_WEBRTC_VIDEO | |
| 66 SetVideoDeviceCapturerFactory(new WebRtcVideoDeviceCapturerFactory()); | |
| 67 #endif // HAVE_WEBRTC_VIDEO | |
| 68 } | |
| 69 | |
| 70 DeviceManager::~DeviceManager() { | |
| 71 if (initialized()) { | |
| 72 Terminate(); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 bool DeviceManager::Init() { | |
| 77 if (!initialized()) { | |
| 78 if (!watcher()->Start()) { | |
| 79 return false; | |
| 80 } | |
| 81 set_initialized(true); | |
| 82 } | |
| 83 return true; | |
| 84 } | |
| 85 | |
| 86 void DeviceManager::Terminate() { | |
| 87 if (initialized()) { | |
| 88 watcher()->Stop(); | |
| 89 set_initialized(false); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 int DeviceManager::GetCapabilities() { | |
| 94 std::vector<Device> devices; | |
| 95 int caps = VIDEO_RECV; | |
| 96 if (GetAudioInputDevices(&devices) && !devices.empty()) { | |
| 97 caps |= AUDIO_SEND; | |
| 98 } | |
| 99 if (GetAudioOutputDevices(&devices) && !devices.empty()) { | |
| 100 caps |= AUDIO_RECV; | |
| 101 } | |
| 102 if (GetVideoCaptureDevices(&devices) && !devices.empty()) { | |
| 103 caps |= VIDEO_SEND; | |
| 104 } | |
| 105 return caps; | |
| 106 } | |
| 107 | |
| 108 bool DeviceManager::GetAudioInputDevices(std::vector<Device>* devices) { | |
| 109 return GetAudioDevices(true, devices); | |
| 110 } | |
| 111 | |
| 112 bool DeviceManager::GetAudioOutputDevices(std::vector<Device>* devices) { | |
| 113 return GetAudioDevices(false, devices); | |
| 114 } | |
| 115 | |
| 116 bool DeviceManager::GetAudioInputDevice(const std::string& name, Device* out) { | |
| 117 return GetAudioDevice(true, name, out); | |
| 118 } | |
| 119 | |
| 120 bool DeviceManager::GetAudioOutputDevice(const std::string& name, Device* out) { | |
| 121 return GetAudioDevice(false, name, out); | |
| 122 } | |
| 123 | |
| 124 bool DeviceManager::GetVideoCaptureDevices(std::vector<Device>* devices) { | |
| 125 devices->clear(); | |
| 126 #if defined(ANDROID) || defined(WEBRTC_IOS) | |
| 127 // On Android and iOS, we treat the camera(s) as a single device. Even if | |
| 128 // there are multiple cameras, that's abstracted away at a higher level. | |
| 129 Device dev("camera", "1"); // name and ID | |
| 130 devices->push_back(dev); | |
| 131 return true; | |
| 132 #else | |
| 133 return false; | |
| 134 #endif | |
| 135 } | |
| 136 | |
| 137 bool DeviceManager::GetVideoCaptureDevice(const std::string& name, | |
| 138 Device* out) { | |
| 139 // If the name is empty, return the default device. | |
| 140 if (name.empty() || name == kDefaultDeviceName) { | |
| 141 return GetDefaultVideoCaptureDevice(out); | |
| 142 } | |
| 143 | |
| 144 std::vector<Device> devices; | |
| 145 if (!GetVideoCaptureDevices(&devices)) { | |
| 146 return false; | |
| 147 } | |
| 148 | |
| 149 for (std::vector<Device>::const_iterator it = devices.begin(); | |
| 150 it != devices.end(); ++it) { | |
| 151 if (name == it->name) { | |
| 152 *out = *it; | |
| 153 return true; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 // If |name| is a valid name for a file or yuvframedevice, | |
| 158 // return a fake video capturer device. | |
| 159 if (GetFakeVideoCaptureDevice(name, out)) { | |
| 160 return true; | |
| 161 } | |
| 162 | |
| 163 return false; | |
| 164 } | |
| 165 | |
| 166 bool DeviceManager::GetFakeVideoCaptureDevice(const std::string& name, | |
| 167 Device* out) const { | |
| 168 if (rtc::Filesystem::IsFile(name)) { | |
| 169 *out = FileVideoCapturer::CreateFileVideoCapturerDevice(name); | |
| 170 return true; | |
| 171 } | |
| 172 | |
| 173 if (name == YuvFramesCapturer::kYuvFrameDeviceName) { | |
| 174 *out = YuvFramesCapturer::CreateYuvFramesCapturerDevice(); | |
| 175 return true; | |
| 176 } | |
| 177 | |
| 178 return false; | |
| 179 } | |
| 180 | |
| 181 void DeviceManager::SetVideoCaptureDeviceMaxFormat( | |
| 182 const std::string& usb_id, | |
| 183 const VideoFormat& max_format) { | |
| 184 max_formats_[usb_id] = max_format; | |
| 185 } | |
| 186 | |
| 187 void DeviceManager::ClearVideoCaptureDeviceMaxFormat( | |
| 188 const std::string& usb_id) { | |
| 189 max_formats_.erase(usb_id); | |
| 190 } | |
| 191 | |
| 192 VideoCapturer* DeviceManager::CreateVideoCapturer(const Device& device) const { | |
| 193 VideoCapturer* capturer = MaybeConstructFakeVideoCapturer(device); | |
| 194 if (capturer) { | |
| 195 return capturer; | |
| 196 } | |
| 197 | |
| 198 if (!video_device_capturer_factory_) { | |
| 199 LOG(LS_ERROR) << "No video capturer factory for devices."; | |
| 200 return NULL; | |
| 201 } | |
| 202 capturer = video_device_capturer_factory_->Create(device); | |
| 203 if (!capturer) { | |
| 204 return NULL; | |
| 205 } | |
| 206 LOG(LS_INFO) << "Created VideoCapturer for " << device.name; | |
| 207 VideoFormat video_format; | |
| 208 bool has_max = GetMaxFormat(device, &video_format); | |
| 209 capturer->set_enable_camera_list(has_max); | |
| 210 if (has_max) { | |
| 211 capturer->ConstrainSupportedFormats(video_format); | |
| 212 } | |
| 213 return capturer; | |
| 214 } | |
| 215 | |
| 216 VideoCapturer* DeviceManager::MaybeConstructFakeVideoCapturer( | |
| 217 const Device& device) const { | |
| 218 // TODO(hellner): Throw out the creation of a file video capturer once the | |
| 219 // refactoring is completed. | |
| 220 if (FileVideoCapturer::IsFileVideoCapturerDevice(device)) { | |
| 221 FileVideoCapturer* capturer = new FileVideoCapturer; | |
| 222 if (!capturer->Init(device)) { | |
| 223 delete capturer; | |
| 224 return NULL; | |
| 225 } | |
| 226 LOG(LS_INFO) << "Created file video capturer " << device.name; | |
| 227 capturer->set_repeat(FileVideoCapturer::kForever); | |
| 228 return capturer; | |
| 229 } | |
| 230 | |
| 231 if (YuvFramesCapturer::IsYuvFramesCapturerDevice(device)) { | |
| 232 YuvFramesCapturer* capturer = new YuvFramesCapturer(); | |
| 233 capturer->Init(); | |
| 234 return capturer; | |
| 235 } | |
| 236 return NULL; | |
| 237 } | |
| 238 | |
| 239 bool DeviceManager::GetWindows( | |
| 240 std::vector<rtc::WindowDescription>* descriptions) { | |
| 241 if (!window_picker_) { | |
| 242 return false; | |
| 243 } | |
| 244 return window_picker_->GetWindowList(descriptions); | |
| 245 } | |
| 246 | |
| 247 bool DeviceManager::GetDesktops( | |
| 248 std::vector<rtc::DesktopDescription>* descriptions) { | |
| 249 if (!window_picker_) { | |
| 250 return false; | |
| 251 } | |
| 252 return window_picker_->GetDesktopList(descriptions); | |
| 253 } | |
| 254 | |
| 255 VideoCapturer* DeviceManager::CreateScreenCapturer( | |
| 256 const ScreencastId& screenid) const { | |
| 257 if (!screen_capturer_factory_) { | |
| 258 LOG(LS_ERROR) << "No video capturer factory for screens."; | |
| 259 return NULL; | |
| 260 } | |
| 261 return screen_capturer_factory_->Create(screenid); | |
| 262 } | |
| 263 | |
| 264 bool DeviceManager::GetAudioDevices(bool input, | |
| 265 std::vector<Device>* devs) { | |
| 266 devs->clear(); | |
| 267 #if defined(ANDROID) | |
| 268 // Under Android, 0 is always required for the playout device and 0 is the | |
| 269 // default for the recording device. | |
| 270 devs->push_back(Device("default-device", 0)); | |
| 271 return true; | |
| 272 #else | |
| 273 // Other platforms either have their own derived class implementation | |
| 274 // (desktop) or don't use device manager for audio devices (iOS). | |
| 275 return false; | |
| 276 #endif | |
| 277 } | |
| 278 | |
| 279 bool DeviceManager::GetAudioDevice(bool is_input, const std::string& name, | |
| 280 Device* out) { | |
| 281 // If the name is empty, return the default device id. | |
| 282 if (name.empty() || name == kDefaultDeviceName) { | |
| 283 *out = Device(name, -1); | |
| 284 return true; | |
| 285 } | |
| 286 | |
| 287 std::vector<Device> devices; | |
| 288 bool ret = is_input ? GetAudioInputDevices(&devices) : | |
| 289 GetAudioOutputDevices(&devices); | |
| 290 if (ret) { | |
| 291 ret = false; | |
| 292 for (size_t i = 0; i < devices.size(); ++i) { | |
| 293 if (devices[i].name == name) { | |
| 294 *out = devices[i]; | |
| 295 ret = true; | |
| 296 break; | |
| 297 } | |
| 298 } | |
| 299 } | |
| 300 return ret; | |
| 301 } | |
| 302 | |
| 303 bool DeviceManager::GetDefaultVideoCaptureDevice(Device* device) { | |
| 304 bool ret = false; | |
| 305 // We just return the first device. | |
| 306 std::vector<Device> devices; | |
| 307 ret = (GetVideoCaptureDevices(&devices) && !devices.empty()); | |
| 308 if (ret) { | |
| 309 *device = devices[0]; | |
| 310 } | |
| 311 return ret; | |
| 312 } | |
| 313 | |
| 314 bool DeviceManager::IsInWhitelist(const std::string& key, | |
| 315 VideoFormat* video_format) const { | |
| 316 std::map<std::string, VideoFormat>::const_iterator found = | |
| 317 std::search_n(max_formats_.begin(), max_formats_.end(), 1, key, | |
| 318 StringMatchWithWildcard); | |
| 319 if (found == max_formats_.end()) { | |
| 320 return false; | |
| 321 } | |
| 322 *video_format = found->second; | |
| 323 return true; | |
| 324 } | |
| 325 | |
| 326 bool DeviceManager::GetMaxFormat(const Device& device, | |
| 327 VideoFormat* video_format) const { | |
| 328 // Match USB ID if available. Failing that, match device name. | |
| 329 std::string usb_id; | |
| 330 if (GetUsbId(device, &usb_id) && IsInWhitelist(usb_id, video_format)) { | |
| 331 return true; | |
| 332 } | |
| 333 return IsInWhitelist(device.name, video_format); | |
| 334 } | |
| 335 | |
| 336 bool DeviceManager::ShouldDeviceBeIgnored(const std::string& device_name, | |
| 337 const char* const exclusion_list[]) { | |
| 338 // If exclusion_list is empty return directly. | |
| 339 if (!exclusion_list) | |
| 340 return false; | |
| 341 | |
| 342 int i = 0; | |
| 343 while (exclusion_list[i]) { | |
| 344 if (strnicmp(device_name.c_str(), exclusion_list[i], | |
| 345 strlen(exclusion_list[i])) == 0) { | |
| 346 LOG(LS_INFO) << "Ignoring device " << device_name; | |
| 347 return true; | |
| 348 } | |
| 349 ++i; | |
| 350 } | |
| 351 return false; | |
| 352 } | |
| 353 | |
| 354 bool DeviceManager::FilterDevices(std::vector<Device>* devices, | |
| 355 const char* const exclusion_list[]) { | |
| 356 if (!devices) { | |
| 357 return false; | |
| 358 } | |
| 359 | |
| 360 for (std::vector<Device>::iterator it = devices->begin(); | |
| 361 it != devices->end(); ) { | |
| 362 if (ShouldDeviceBeIgnored(it->name, exclusion_list)) { | |
| 363 it = devices->erase(it); | |
| 364 } else { | |
| 365 ++it; | |
| 366 } | |
| 367 } | |
| 368 return true; | |
| 369 } | |
| 370 | |
| 371 } // namespace cricket | |
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Chromium Code Reviews
Issue 1587193006:
Move talk/media to webrtc/media (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master