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Side by Side Diff: webrtc/media/devices/devicemanager_unittest.cc

Issue 1715883002: Remove DeviceManager and DeviceInfo. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: rebase Created 4 years, 9 months ago
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1 /*
2 * Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "webrtc/media/devices/devicemanager.h"
12
13 #ifdef WIN32
14 #include <objbase.h>
15 #include "webrtc/base/win32.h"
16 #endif
17
18 #include <memory>
19 #include <string>
20
21 #include "webrtc/base/arraysize.h"
22 #include "webrtc/base/fileutils.h"
23 #include "webrtc/base/gunit.h"
24 #include "webrtc/base/logging.h"
25 #include "webrtc/base/pathutils.h"
26 #include "webrtc/base/stream.h"
27 #include "webrtc/base/windowpickerfactory.h"
28 #include "webrtc/media/base/fakevideocapturer.h"
29 #include "webrtc/media/base/screencastid.h"
30 #include "webrtc/media/base/testutils.h"
31 #include "webrtc/media/base/videocapturerfactory.h"
32 #include "webrtc/media/devices/v4llookup.h"
33
34 #ifdef WEBRTC_LINUX
35 // TODO(juberti): Figure out why this doesn't compile on Windows.
36 #include "webrtc/base/fileutils_mock.h"
37 #endif // WEBRTC_LINUX
38
39 using rtc::Pathname;
40 using rtc::FileTimeType;
41 using cricket::Device;
42 using cricket::DeviceManager;
43 using cricket::DeviceManagerFactory;
44 using cricket::DeviceManagerInterface;
45
46 const cricket::VideoFormat kVgaFormat(640, 480,
47 cricket::VideoFormat::FpsToInterval(30),
48 cricket::FOURCC_I420);
49 const cricket::VideoFormat kHdFormat(1280, 720,
50 cricket::VideoFormat::FpsToInterval(30),
51 cricket::FOURCC_I420);
52
53 class FakeVideoDeviceCapturerFactory :
54 public cricket::VideoDeviceCapturerFactory {
55 public:
56 FakeVideoDeviceCapturerFactory() {}
57 virtual ~FakeVideoDeviceCapturerFactory() {}
58
59 virtual cricket::VideoCapturer* Create(const cricket::Device& device) {
60 return new cricket::FakeVideoCapturer;
61 }
62 };
63
64 class FakeScreenCapturerFactory : public cricket::ScreenCapturerFactory {
65 public:
66 FakeScreenCapturerFactory() {}
67 virtual ~FakeScreenCapturerFactory() {}
68
69 virtual cricket::VideoCapturer* Create(
70 const cricket::ScreencastId& screenid) {
71 return new cricket::FakeVideoCapturer;
72 }
73 };
74
75 class DeviceManagerTestFake : public testing::Test {
76 public:
77 virtual void SetUp() {
78 dm_.reset(DeviceManagerFactory::Create());
79 EXPECT_TRUE(dm_->Init());
80 DeviceManager* device_manager = static_cast<DeviceManager*>(dm_.get());
81 device_manager->SetVideoDeviceCapturerFactory(
82 new FakeVideoDeviceCapturerFactory());
83 device_manager->SetScreenCapturerFactory(
84 new FakeScreenCapturerFactory());
85 }
86
87 virtual void TearDown() {
88 dm_->Terminate();
89 }
90
91 protected:
92 std::unique_ptr<DeviceManagerInterface> dm_;
93 };
94
95
96 // Test that we startup/shutdown properly.
97 TEST(DeviceManagerTest, StartupShutdown) {
98 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
99 EXPECT_TRUE(dm->Init());
100 dm->Terminate();
101 }
102
103 // Test CoInitEx behavior
104 #ifdef WIN32
105 TEST(DeviceManagerTest, CoInitialize) {
106 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
107 std::vector<Device> devices;
108 // Ensure that calls to video device work if COM is not yet initialized.
109 EXPECT_TRUE(dm->Init());
110 EXPECT_TRUE(dm->GetVideoCaptureDevices(&devices));
111 dm->Terminate();
112 // Ensure that the ref count is correct.
113 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
114 CoUninitialize();
115 // Ensure that Init works in COINIT_APARTMENTTHREADED setting.
116 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_APARTMENTTHREADED));
117 EXPECT_TRUE(dm->Init());
118 dm->Terminate();
119 CoUninitialize();
120 // Ensure that the ref count is correct.
121 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_APARTMENTTHREADED));
122 CoUninitialize();
123 // Ensure that Init works in COINIT_MULTITHREADED setting.
124 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
125 EXPECT_TRUE(dm->Init());
126 dm->Terminate();
127 CoUninitialize();
128 // Ensure that the ref count is correct.
129 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
130 CoUninitialize();
131 }
132 #endif
133
134 // Test enumerating devices (although we may not find any).
135 TEST(DeviceManagerTest, GetDevices) {
136 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
137 std::vector<Device> audio_ins, audio_outs, video_ins;
138 std::vector<cricket::Device> video_in_devs;
139 cricket::Device def_video;
140 EXPECT_TRUE(dm->Init());
141 EXPECT_TRUE(dm->GetAudioInputDevices(&audio_ins));
142 EXPECT_TRUE(dm->GetAudioOutputDevices(&audio_outs));
143 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
144 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_in_devs));
145 EXPECT_EQ(video_ins.size(), video_in_devs.size());
146 // If we have any video devices, we should be able to pick a default.
147 EXPECT_TRUE(dm->GetVideoCaptureDevice(
148 cricket::DeviceManagerInterface::kDefaultDeviceName, &def_video)
149 != video_ins.empty());
150 }
151
152 // Test that we return correct ids for default and bogus devices.
153 TEST(DeviceManagerTest, GetAudioDeviceIds) {
154 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
155 Device device;
156 EXPECT_TRUE(dm->Init());
157 EXPECT_TRUE(dm->GetAudioInputDevice(
158 cricket::DeviceManagerInterface::kDefaultDeviceName, &device));
159 EXPECT_EQ("-1", device.id);
160 EXPECT_TRUE(dm->GetAudioOutputDevice(
161 cricket::DeviceManagerInterface::kDefaultDeviceName, &device));
162 EXPECT_EQ("-1", device.id);
163 EXPECT_FALSE(dm->GetAudioInputDevice("_NOT A REAL DEVICE_", &device));
164 EXPECT_FALSE(dm->GetAudioOutputDevice("_NOT A REAL DEVICE_", &device));
165 }
166
167 // Test that we get the video capture device by name properly.
168 TEST(DeviceManagerTest, GetVideoDeviceIds) {
169 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
170 Device device;
171 EXPECT_TRUE(dm->Init());
172 EXPECT_FALSE(dm->GetVideoCaptureDevice("_NOT A REAL DEVICE_", &device));
173 std::vector<Device> video_ins;
174 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
175 if (!video_ins.empty()) {
176 // Get the default device with the parameter kDefaultDeviceName.
177 EXPECT_TRUE(dm->GetVideoCaptureDevice(
178 cricket::DeviceManagerInterface::kDefaultDeviceName, &device));
179
180 // Get the first device with the parameter video_ins[0].name.
181 EXPECT_TRUE(dm->GetVideoCaptureDevice(video_ins[0].name, &device));
182 EXPECT_EQ(device.name, video_ins[0].name);
183 EXPECT_EQ(device.id, video_ins[0].id);
184 }
185 }
186
187 TEST(DeviceManagerTest, VerifyDevicesListsAreCleared) {
188 const std::string imaginary("_NOT A REAL DEVICE_");
189 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
190 std::vector<Device> audio_ins, audio_outs, video_ins;
191 audio_ins.push_back(Device(imaginary, imaginary));
192 audio_outs.push_back(Device(imaginary, imaginary));
193 video_ins.push_back(Device(imaginary, imaginary));
194 EXPECT_TRUE(dm->Init());
195 EXPECT_TRUE(dm->GetAudioInputDevices(&audio_ins));
196 EXPECT_TRUE(dm->GetAudioOutputDevices(&audio_outs));
197 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
198 for (size_t i = 0; i < audio_ins.size(); ++i) {
199 EXPECT_NE(imaginary, audio_ins[i].name);
200 }
201 for (size_t i = 0; i < audio_outs.size(); ++i) {
202 EXPECT_NE(imaginary, audio_outs[i].name);
203 }
204 for (size_t i = 0; i < video_ins.size(); ++i) {
205 EXPECT_NE(imaginary, video_ins[i].name);
206 }
207 }
208
209 static bool CompareDeviceList(std::vector<Device>& devices,
210 const char* const device_list[], int list_size) {
211 if (list_size != static_cast<int>(devices.size())) {
212 return false;
213 }
214 for (int i = 0; i < list_size; ++i) {
215 if (devices[i].name.compare(device_list[i]) != 0) {
216 return false;
217 }
218 }
219 return true;
220 }
221
222 TEST(DeviceManagerTest, VerifyFilterDevices) {
223 static const char* const kTotalDevicesName[] = {
224 "Google Camera Adapters are tons of fun.",
225 "device1",
226 "device2",
227 "device3",
228 "device4",
229 "device5",
230 "Google Camera Adapter 0",
231 "Google Camera Adapter 1",
232 };
233 static const char* const kFilteredDevicesName[] = {
234 "device2",
235 "device4",
236 "Google Camera Adapter",
237 NULL,
238 };
239 static const char* const kDevicesName[] = {
240 "device1",
241 "device3",
242 "device5",
243 };
244 std::vector<Device> devices;
245 for (int i = 0; i < arraysize(kTotalDevicesName); ++i) {
246 devices.push_back(Device(kTotalDevicesName[i], i));
247 }
248 EXPECT_TRUE(CompareDeviceList(devices, kTotalDevicesName,
249 arraysize(kTotalDevicesName)));
250 // Return false if given NULL as the exclusion list.
251 EXPECT_TRUE(DeviceManager::FilterDevices(&devices, NULL));
252 // The devices should not change.
253 EXPECT_TRUE(CompareDeviceList(devices, kTotalDevicesName,
254 arraysize(kTotalDevicesName)));
255 EXPECT_TRUE(DeviceManager::FilterDevices(&devices, kFilteredDevicesName));
256 EXPECT_TRUE(CompareDeviceList(devices, kDevicesName,
257 arraysize(kDevicesName)));
258 }
259
260 #ifdef WEBRTC_LINUX
261 class FakeV4LLookup : public cricket::V4LLookup {
262 public:
263 explicit FakeV4LLookup(std::vector<std::string> device_paths)
264 : device_paths_(device_paths) {}
265
266 protected:
267 bool CheckIsV4L2Device(const std::string& device) {
268 return std::find(device_paths_.begin(), device_paths_.end(), device)
269 != device_paths_.end();
270 }
271
272 private:
273 std::vector<std::string> device_paths_;
274 };
275
276 TEST(DeviceManagerTest, GetVideoCaptureDevices_K2_6) {
277 std::vector<std::string> devices;
278 devices.push_back("/dev/video0");
279 devices.push_back("/dev/video5");
280 cricket::V4LLookup::SetV4LLookup(new FakeV4LLookup(devices));
281
282 std::vector<rtc::FakeFileSystem::File> files;
283 files.push_back(rtc::FakeFileSystem::File("/dev/video0", ""));
284 files.push_back(rtc::FakeFileSystem::File("/dev/video5", ""));
285 files.push_back(rtc::FakeFileSystem::File(
286 "/sys/class/video4linux/video0/name", "Video Device 1"));
287 files.push_back(rtc::FakeFileSystem::File(
288 "/sys/class/video4linux/video1/model", "Bad Device"));
289 files.push_back(
290 rtc::FakeFileSystem::File("/sys/class/video4linux/video5/model",
291 "Video Device 2"));
292 rtc::FilesystemScope fs(new rtc::FakeFileSystem(files));
293
294 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
295 std::vector<Device> video_ins;
296 EXPECT_TRUE(dm->Init());
297 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
298 EXPECT_EQ(2u, video_ins.size());
299 EXPECT_EQ("Video Device 1", video_ins.at(0).name);
300 EXPECT_EQ("Video Device 2", video_ins.at(1).name);
301 }
302
303 TEST(DeviceManagerTest, GetVideoCaptureDevices_K2_4) {
304 std::vector<std::string> devices;
305 devices.push_back("/dev/video0");
306 devices.push_back("/dev/video5");
307 cricket::V4LLookup::SetV4LLookup(new FakeV4LLookup(devices));
308
309 std::vector<rtc::FakeFileSystem::File> files;
310 files.push_back(rtc::FakeFileSystem::File("/dev/video0", ""));
311 files.push_back(rtc::FakeFileSystem::File("/dev/video5", ""));
312 files.push_back(rtc::FakeFileSystem::File(
313 "/proc/video/dev/video0",
314 "param1: value1\nname: Video Device 1\n param2: value2\n"));
315 files.push_back(rtc::FakeFileSystem::File(
316 "/proc/video/dev/video1",
317 "param1: value1\nname: Bad Device\n param2: value2\n"));
318 files.push_back(rtc::FakeFileSystem::File(
319 "/proc/video/dev/video5",
320 "param1: value1\nname: Video Device 2\n param2: value2\n"));
321 rtc::FilesystemScope fs(new rtc::FakeFileSystem(files));
322
323 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
324 std::vector<Device> video_ins;
325 EXPECT_TRUE(dm->Init());
326 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
327 EXPECT_EQ(2u, video_ins.size());
328 EXPECT_EQ("Video Device 1", video_ins.at(0).name);
329 EXPECT_EQ("Video Device 2", video_ins.at(1).name);
330 }
331
332 TEST(DeviceManagerTest, GetVideoCaptureDevices_KUnknown) {
333 std::vector<std::string> devices;
334 devices.push_back("/dev/video0");
335 devices.push_back("/dev/video5");
336 cricket::V4LLookup::SetV4LLookup(new FakeV4LLookup(devices));
337
338 std::vector<rtc::FakeFileSystem::File> files;
339 files.push_back(rtc::FakeFileSystem::File("/dev/video0", ""));
340 files.push_back(rtc::FakeFileSystem::File("/dev/video1", ""));
341 files.push_back(rtc::FakeFileSystem::File("/dev/video5", ""));
342 rtc::FilesystemScope fs(new rtc::FakeFileSystem(files));
343
344 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
345 std::vector<Device> video_ins;
346 EXPECT_TRUE(dm->Init());
347 EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
348 EXPECT_EQ(2u, video_ins.size());
349 EXPECT_EQ("/dev/video0", video_ins.at(0).name);
350 EXPECT_EQ("/dev/video5", video_ins.at(1).name);
351 }
352 #endif // WEBRTC_LINUX
353
354 // TODO(noahric): These are flaky on windows on headless machines.
355 #ifndef WIN32
356 TEST(DeviceManagerTest, GetWindows) {
357 if (!rtc::WindowPickerFactory::IsSupported()) {
358 LOG(LS_INFO) << "skipping test: window capturing is not supported with "
359 << "current configuration.";
360 return;
361 }
362 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
363 dm->SetScreenCapturerFactory(new FakeScreenCapturerFactory());
364 std::vector<rtc::WindowDescription> descriptions;
365 EXPECT_TRUE(dm->Init());
366 if (!dm->GetWindows(&descriptions) || descriptions.empty()) {
367 LOG(LS_INFO) << "skipping test: window capturing. Does not have any "
368 << "windows to capture.";
369 return;
370 }
371 std::unique_ptr<cricket::VideoCapturer> capturer(dm->CreateScreenCapturer(
372 cricket::ScreencastId(descriptions.front().id())));
373 EXPECT_FALSE(capturer.get() == NULL);
374 // TODO(hellner): creating a window capturer and immediately deleting it
375 // results in "Continuous Build and Test Mainline - Mac opt" failure (crash).
376 // Remove the following line as soon as this has been resolved.
377 rtc::Thread::Current()->ProcessMessages(1);
378 }
379
380 TEST(DeviceManagerTest, GetDesktops) {
381 if (!rtc::WindowPickerFactory::IsSupported()) {
382 LOG(LS_INFO) << "skipping test: desktop capturing is not supported with "
383 << "current configuration.";
384 return;
385 }
386 std::unique_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
387 dm->SetScreenCapturerFactory(new FakeScreenCapturerFactory());
388 std::vector<rtc::DesktopDescription> descriptions;
389 EXPECT_TRUE(dm->Init());
390 if (!dm->GetDesktops(&descriptions) || descriptions.empty()) {
391 LOG(LS_INFO) << "skipping test: desktop capturing. Does not have any "
392 << "desktops to capture.";
393 return;
394 }
395 std::unique_ptr<cricket::VideoCapturer> capturer(dm->CreateScreenCapturer(
396 cricket::ScreencastId(descriptions.front().id())));
397 EXPECT_FALSE(capturer.get() == NULL);
398 }
399 #endif // !WIN32
400
401 TEST_F(DeviceManagerTestFake, CaptureConstraintsWhitelisted) {
402 const Device device("white", "white_id");
403 dm_->SetVideoCaptureDeviceMaxFormat(device.name, kHdFormat);
404 std::unique_ptr<cricket::VideoCapturer> capturer(
405 dm_->CreateVideoCapturer(device));
406 cricket::VideoFormat best_format;
407 capturer->set_enable_camera_list(true);
408 EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
409 EXPECT_EQ(kHdFormat, best_format);
410 }
411
412 TEST_F(DeviceManagerTestFake, CaptureConstraintsNotWhitelisted) {
413 const Device device("regular", "regular_id");
414 std::unique_ptr<cricket::VideoCapturer> capturer(
415 dm_->CreateVideoCapturer(device));
416 cricket::VideoFormat best_format;
417 capturer->set_enable_camera_list(true);
418 EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
419 EXPECT_EQ(kHdFormat, best_format);
420 }
421
422 TEST_F(DeviceManagerTestFake, CaptureConstraintsUnWhitelisted) {
423 const Device device("un_white", "un_white_id");
424 dm_->SetVideoCaptureDeviceMaxFormat(device.name, kHdFormat);
425 dm_->ClearVideoCaptureDeviceMaxFormat(device.name);
426 std::unique_ptr<cricket::VideoCapturer> capturer(
427 dm_->CreateVideoCapturer(device));
428 cricket::VideoFormat best_format;
429 capturer->set_enable_camera_list(true);
430 EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
431 EXPECT_EQ(kHdFormat, best_format);
432 }
433
434 TEST_F(DeviceManagerTestFake, CaptureConstraintsWildcard) {
435 const Device device("any_device", "any_device");
436 dm_->SetVideoCaptureDeviceMaxFormat("*", kHdFormat);
437 std::unique_ptr<cricket::VideoCapturer> capturer(
438 dm_->CreateVideoCapturer(device));
439 cricket::VideoFormat best_format;
440 capturer->set_enable_camera_list(true);
441 EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
442 EXPECT_EQ(kHdFormat, best_format);
443 }
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