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webrtc/talk/media/devices/devicemanager_unittest.cc
buildbot@webrtc.org 5b1ebacca2 (Auto)update libjingle 72820109-> 72822008 
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6850 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-08-07 17:18:00 +00:00

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/*
* libjingle
* Copyright 2004 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/media/devices/devicemanager.h"
#ifdef WIN32
#include "webrtc/base/win32.h"
#include <objbase.h>
#endif
#include <string>
#include "webrtc/base/fileutils.h"
#include "webrtc/base/gunit.h"
#include "webrtc/base/logging.h"
#include "webrtc/base/pathutils.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/stream.h"
#include "webrtc/base/windowpickerfactory.h"
#include "talk/media/base/fakevideocapturer.h"
#include "talk/media/base/testutils.h"
#include "talk/media/devices/filevideocapturer.h"
#include "talk/media/devices/v4llookup.h"
#ifdef LINUX
// TODO(juberti): Figure out why this doesn't compile on Windows.
#include "webrtc/base/fileutils_mock.h"
#endif // LINUX
using rtc::Pathname;
using rtc::FileTimeType;
using rtc::scoped_ptr;
using cricket::Device;
using cricket::DeviceManager;
using cricket::DeviceManagerFactory;
using cricket::DeviceManagerInterface;
const cricket::VideoFormat kVgaFormat(640, 480,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
const cricket::VideoFormat kHdFormat(1280, 720,
cricket::VideoFormat::FpsToInterval(30),
cricket::FOURCC_I420);
class FakeVideoCapturerFactory : public cricket::VideoCapturerFactory {
public:
FakeVideoCapturerFactory() {}
virtual ~FakeVideoCapturerFactory() {}
virtual cricket::VideoCapturer* Create(const cricket::Device& device) {
return new cricket::FakeVideoCapturer;
}
};
class DeviceManagerTestFake : public testing::Test {
public:
virtual void SetUp() {
dm_.reset(DeviceManagerFactory::Create());
EXPECT_TRUE(dm_->Init());
DeviceManager* device_manager = static_cast<DeviceManager*>(dm_.get());
device_manager->set_device_video_capturer_factory(
new FakeVideoCapturerFactory());
}
virtual void TearDown() {
dm_->Terminate();
}
protected:
scoped_ptr<DeviceManagerInterface> dm_;
};
// Test that we startup/shutdown properly.
TEST(DeviceManagerTest, StartupShutdown) {
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
EXPECT_TRUE(dm->Init());
dm->Terminate();
}
// Test CoInitEx behavior
#ifdef WIN32
TEST(DeviceManagerTest, CoInitialize) {
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<Device> devices;
// Ensure that calls to video device work if COM is not yet initialized.
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetVideoCaptureDevices(&devices));
dm->Terminate();
// Ensure that the ref count is correct.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
CoUninitialize();
// Ensure that Init works in COINIT_APARTMENTTHREADED setting.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_APARTMENTTHREADED));
EXPECT_TRUE(dm->Init());
dm->Terminate();
CoUninitialize();
// Ensure that the ref count is correct.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_APARTMENTTHREADED));
CoUninitialize();
// Ensure that Init works in COINIT_MULTITHREADED setting.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
EXPECT_TRUE(dm->Init());
dm->Terminate();
CoUninitialize();
// Ensure that the ref count is correct.
EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED));
CoUninitialize();
}
#endif
// Test enumerating devices (although we may not find any).
TEST(DeviceManagerTest, GetDevices) {
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<Device> audio_ins, audio_outs, video_ins;
std::vector<cricket::Device> video_in_devs;
cricket::Device def_video;
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetAudioInputDevices(&audio_ins));
EXPECT_TRUE(dm->GetAudioOutputDevices(&audio_outs));
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_in_devs));
EXPECT_EQ(video_ins.size(), video_in_devs.size());
// If we have any video devices, we should be able to pick a default.
EXPECT_TRUE(dm->GetVideoCaptureDevice(
cricket::DeviceManagerInterface::kDefaultDeviceName, &def_video)
!= video_ins.empty());
}
// Test that we return correct ids for default and bogus devices.
TEST(DeviceManagerTest, GetAudioDeviceIds) {
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
Device device;
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetAudioInputDevice(
cricket::DeviceManagerInterface::kDefaultDeviceName, &device));
EXPECT_EQ("-1", device.id);
EXPECT_TRUE(dm->GetAudioOutputDevice(
cricket::DeviceManagerInterface::kDefaultDeviceName, &device));
EXPECT_EQ("-1", device.id);
EXPECT_FALSE(dm->GetAudioInputDevice("_NOT A REAL DEVICE_", &device));
EXPECT_FALSE(dm->GetAudioOutputDevice("_NOT A REAL DEVICE_", &device));
}
// Test that we get the video capture device by name properly.
TEST(DeviceManagerTest, GetVideoDeviceIds) {
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
Device device;
EXPECT_TRUE(dm->Init());
EXPECT_FALSE(dm->GetVideoCaptureDevice("_NOT A REAL DEVICE_", &device));
std::vector<Device> video_ins;
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
if (!video_ins.empty()) {
// Get the default device with the parameter kDefaultDeviceName.
EXPECT_TRUE(dm->GetVideoCaptureDevice(
cricket::DeviceManagerInterface::kDefaultDeviceName, &device));
// Get the first device with the parameter video_ins[0].name.
EXPECT_TRUE(dm->GetVideoCaptureDevice(video_ins[0].name, &device));
EXPECT_EQ(device.name, video_ins[0].name);
EXPECT_EQ(device.id, video_ins[0].id);
}
}
TEST(DeviceManagerTest, GetVideoDeviceIds_File) {
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
EXPECT_TRUE(dm->Init());
Device device;
const std::string test_file =
cricket::GetTestFilePath("captured-320x240-2s-48.frames");
EXPECT_TRUE(dm->GetVideoCaptureDevice(test_file, &device));
EXPECT_TRUE(cricket::FileVideoCapturer::IsFileVideoCapturerDevice(device));
}
TEST(DeviceManagerTest, VerifyDevicesListsAreCleared) {
const std::string imaginary("_NOT A REAL DEVICE_");
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<Device> audio_ins, audio_outs, video_ins;
audio_ins.push_back(Device(imaginary, imaginary));
audio_outs.push_back(Device(imaginary, imaginary));
video_ins.push_back(Device(imaginary, imaginary));
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetAudioInputDevices(&audio_ins));
EXPECT_TRUE(dm->GetAudioOutputDevices(&audio_outs));
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
for (size_t i = 0; i < audio_ins.size(); ++i) {
EXPECT_NE(imaginary, audio_ins[i].name);
}
for (size_t i = 0; i < audio_outs.size(); ++i) {
EXPECT_NE(imaginary, audio_outs[i].name);
}
for (size_t i = 0; i < video_ins.size(); ++i) {
EXPECT_NE(imaginary, video_ins[i].name);
}
}
static bool CompareDeviceList(std::vector<Device>& devices,
const char* const device_list[], int list_size) {
if (list_size != static_cast<int>(devices.size())) {
return false;
}
for (int i = 0; i < list_size; ++i) {
if (devices[i].name.compare(device_list[i]) != 0) {
return false;
}
}
return true;
}
TEST(DeviceManagerTest, VerifyFilterDevices) {
static const char* const kTotalDevicesName[] = {
"Google Camera Adapters are tons of fun.",
"device1",
"device2",
"device3",
"device4",
"device5",
"Google Camera Adapter 0",
"Google Camera Adapter 1",
};
static const char* const kFilteredDevicesName[] = {
"device2",
"device4",
"Google Camera Adapter",
NULL,
};
static const char* const kDevicesName[] = {
"device1",
"device3",
"device5",
};
std::vector<Device> devices;
for (int i = 0; i < ARRAY_SIZE(kTotalDevicesName); ++i) {
devices.push_back(Device(kTotalDevicesName[i], i));
}
EXPECT_TRUE(CompareDeviceList(devices, kTotalDevicesName,
ARRAY_SIZE(kTotalDevicesName)));
// Return false if given NULL as the exclusion list.
EXPECT_TRUE(DeviceManager::FilterDevices(&devices, NULL));
// The devices should not change.
EXPECT_TRUE(CompareDeviceList(devices, kTotalDevicesName,
ARRAY_SIZE(kTotalDevicesName)));
EXPECT_TRUE(DeviceManager::FilterDevices(&devices, kFilteredDevicesName));
EXPECT_TRUE(CompareDeviceList(devices, kDevicesName,
ARRAY_SIZE(kDevicesName)));
}
#ifdef LINUX
class FakeV4LLookup : public cricket::V4LLookup {
public:
explicit FakeV4LLookup(std::vector<std::string> device_paths)
: device_paths_(device_paths) {}
protected:
bool CheckIsV4L2Device(const std::string& device) {
return std::find(device_paths_.begin(), device_paths_.end(), device)
!= device_paths_.end();
}
private:
std::vector<std::string> device_paths_;
};
TEST(DeviceManagerTest, GetVideoCaptureDevices_K2_6) {
std::vector<std::string> devices;
devices.push_back("/dev/video0");
devices.push_back("/dev/video5");
cricket::V4LLookup::SetV4LLookup(new FakeV4LLookup(devices));
std::vector<rtc::FakeFileSystem::File> files;
files.push_back(rtc::FakeFileSystem::File("/dev/video0", ""));
files.push_back(rtc::FakeFileSystem::File("/dev/video5", ""));
files.push_back(rtc::FakeFileSystem::File(
"/sys/class/video4linux/video0/name", "Video Device 1"));
files.push_back(rtc::FakeFileSystem::File(
"/sys/class/video4linux/video1/model", "Bad Device"));
files.push_back(
rtc::FakeFileSystem::File("/sys/class/video4linux/video5/model",
"Video Device 2"));
rtc::FilesystemScope fs(new rtc::FakeFileSystem(files));
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<Device> video_ins;
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
EXPECT_EQ(2u, video_ins.size());
EXPECT_EQ("Video Device 1", video_ins.at(0).name);
EXPECT_EQ("Video Device 2", video_ins.at(1).name);
}
TEST(DeviceManagerTest, GetVideoCaptureDevices_K2_4) {
std::vector<std::string> devices;
devices.push_back("/dev/video0");
devices.push_back("/dev/video5");
cricket::V4LLookup::SetV4LLookup(new FakeV4LLookup(devices));
std::vector<rtc::FakeFileSystem::File> files;
files.push_back(rtc::FakeFileSystem::File("/dev/video0", ""));
files.push_back(rtc::FakeFileSystem::File("/dev/video5", ""));
files.push_back(rtc::FakeFileSystem::File(
"/proc/video/dev/video0",
"param1: value1\nname: Video Device 1\n param2: value2\n"));
files.push_back(rtc::FakeFileSystem::File(
"/proc/video/dev/video1",
"param1: value1\nname: Bad Device\n param2: value2\n"));
files.push_back(rtc::FakeFileSystem::File(
"/proc/video/dev/video5",
"param1: value1\nname: Video Device 2\n param2: value2\n"));
rtc::FilesystemScope fs(new rtc::FakeFileSystem(files));
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<Device> video_ins;
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
EXPECT_EQ(2u, video_ins.size());
EXPECT_EQ("Video Device 1", video_ins.at(0).name);
EXPECT_EQ("Video Device 2", video_ins.at(1).name);
}
TEST(DeviceManagerTest, GetVideoCaptureDevices_KUnknown) {
std::vector<std::string> devices;
devices.push_back("/dev/video0");
devices.push_back("/dev/video5");
cricket::V4LLookup::SetV4LLookup(new FakeV4LLookup(devices));
std::vector<rtc::FakeFileSystem::File> files;
files.push_back(rtc::FakeFileSystem::File("/dev/video0", ""));
files.push_back(rtc::FakeFileSystem::File("/dev/video1", ""));
files.push_back(rtc::FakeFileSystem::File("/dev/video5", ""));
rtc::FilesystemScope fs(new rtc::FakeFileSystem(files));
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<Device> video_ins;
EXPECT_TRUE(dm->Init());
EXPECT_TRUE(dm->GetVideoCaptureDevices(&video_ins));
EXPECT_EQ(2u, video_ins.size());
EXPECT_EQ("/dev/video0", video_ins.at(0).name);
EXPECT_EQ("/dev/video5", video_ins.at(1).name);
}
#endif // LINUX
// TODO(noahric): These are flaky on windows on headless machines.
#ifndef WIN32
TEST(DeviceManagerTest, GetWindows) {
if (!rtc::WindowPickerFactory::IsSupported()) {
LOG(LS_INFO) << "skipping test: window capturing is not supported with "
<< "current configuration.";
return;
}
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<rtc::WindowDescription> descriptions;
EXPECT_TRUE(dm->Init());
if (!dm->GetWindows(&descriptions) || descriptions.empty()) {
LOG(LS_INFO) << "skipping test: window capturing. Does not have any "
<< "windows to capture.";
return;
}
scoped_ptr<cricket::VideoCapturer> capturer(dm->CreateWindowCapturer(
descriptions.front().id()));
EXPECT_FALSE(capturer.get() == NULL);
// TODO(hellner): creating a window capturer and immediately deleting it
// results in "Continuous Build and Test Mainline - Mac opt" failure (crash).
// Remove the following line as soon as this has been resolved.
rtc::Thread::Current()->ProcessMessages(1);
}
TEST(DeviceManagerTest, GetDesktops) {
if (!rtc::WindowPickerFactory::IsSupported()) {
LOG(LS_INFO) << "skipping test: desktop capturing is not supported with "
<< "current configuration.";
return;
}
scoped_ptr<DeviceManagerInterface> dm(DeviceManagerFactory::Create());
std::vector<rtc::DesktopDescription> descriptions;
EXPECT_TRUE(dm->Init());
if (!dm->GetDesktops(&descriptions) || descriptions.empty()) {
LOG(LS_INFO) << "skipping test: desktop capturing. Does not have any "
<< "desktops to capture.";
return;
}
scoped_ptr<cricket::VideoCapturer> capturer(dm->CreateDesktopCapturer(
descriptions.front().id()));
EXPECT_FALSE(capturer.get() == NULL);
}
#endif // !WIN32
TEST_F(DeviceManagerTestFake, CaptureConstraintsWhitelisted) {
const Device device("white", "white_id");
dm_->SetVideoCaptureDeviceMaxFormat(device.name, kHdFormat);
scoped_ptr<cricket::VideoCapturer> capturer(
dm_->CreateVideoCapturer(device));
cricket::VideoFormat best_format;
capturer->set_enable_camera_list(true);
EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
EXPECT_EQ(kHdFormat, best_format);
}
TEST_F(DeviceManagerTestFake, CaptureConstraintsNotWhitelisted) {
const Device device("regular", "regular_id");
scoped_ptr<cricket::VideoCapturer> capturer(
dm_->CreateVideoCapturer(device));
cricket::VideoFormat best_format;
capturer->set_enable_camera_list(true);
EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
EXPECT_EQ(kHdFormat, best_format);
}
TEST_F(DeviceManagerTestFake, CaptureConstraintsUnWhitelisted) {
const Device device("un_white", "un_white_id");
dm_->SetVideoCaptureDeviceMaxFormat(device.name, kHdFormat);
dm_->ClearVideoCaptureDeviceMaxFormat(device.name);
scoped_ptr<cricket::VideoCapturer> capturer(
dm_->CreateVideoCapturer(device));
cricket::VideoFormat best_format;
capturer->set_enable_camera_list(true);
EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
EXPECT_EQ(kHdFormat, best_format);
}
TEST_F(DeviceManagerTestFake, CaptureConstraintsWildcard) {
const Device device("any_device", "any_device");
dm_->SetVideoCaptureDeviceMaxFormat("*", kHdFormat);
scoped_ptr<cricket::VideoCapturer> capturer(
dm_->CreateVideoCapturer(device));
cricket::VideoFormat best_format;
capturer->set_enable_camera_list(true);
EXPECT_TRUE(capturer->GetBestCaptureFormat(kHdFormat, &best_format));
EXPECT_EQ(kHdFormat, best_format);
}
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