bool DeviceManager::getVideoCaptureDevice(Device& out, const std::string& name, int id)
{
// If the name is empty, return the default device.
if (name.empty() || name == kDefaultDeviceName) {
return getDefaultVideoCaptureDevice(out);
}
std::vector<Device> devices;
return getVideoCaptureDevices(devices) &&
matchNameAndID(devices, out, name, id);
#if 0
for (std::vector<Device>::const_iterator it = devices.begin(); it != devices.end(); ++it) {
if (name == it->name) {
InfoL << "Create VideoCapturer for " << name << endl;
out = *it;
return true;
}
}
// If the name is a valid path to a file, then we'll create a simulated device
// with the filename. The LmiMediaEngine will know to use a FileVideoCapturer
// for these devices.
if (talk_base::FileSystem::IsFile(name)) {
InfoL << "Create FileVideoCapturer" << endl;
*out = FileVideoCapturer::CreateFileVideoCapturerDevice(name);
return true;
}
#endif
}
bool DeviceManager::getDefaultVideoCaptureDevice(Device& device)
{
bool ret = false;
// We just return the first device.
std::vector<Device> devices;
ret = (getVideoCaptureDevices(devices) && !devices.empty());
if (ret) {
device = devices[0];
}
return ret;
}
int DeviceManager::getCapabilities()
{
std::vector<Device> devices;
int caps = VIDEO_RECV;
if (getAudioInputDevices(devices) && !devices.empty()) {
caps |= AUDIO_SEND;
}
if (getAudioOutputDevices(devices) && !devices.empty()) {
caps |= AUDIO_RECV;
}
if (getVideoCaptureDevices(devices) && !devices.empty()) {
caps |= VIDEO_SEND;
}
return caps;
}
// cricket::VideoCapturer* openWebRtcVideoCaptureDevice(const std::string& deviceName)
std::unique_ptr<cricket::VideoCapturer> openWebRtcVideoCaptureDevice(const std::string& deviceName)
{
cricket::WebRtcVideoDeviceCapturerFactory factory;
// std::unique_ptr<cricket::VideoCapturer> capturer;
cricket::VideoCapturer* capturer = nullptr;
auto deviceNames = getVideoCaptureDevices();
for (const auto& name : deviceNames) {
if (name == deviceName) {
return factory.Create(cricket::Device(name, 0));
}
}
if (!capturer && !deviceNames.empty()) {
return factory.Create(cricket::Device(deviceNames[0], 0));
}
assert(0 && "no video devices");
return nullptr;
}
void DeviceManager::print(std::ostream& ost)
{
std::vector<Device> devs;
getAudioInputDevices(devs);
ost << "Audio input devices: " << endl;
for (std::size_t i = 0; i < devs.size(); ++i)
devs[i].print(ost);
getAudioOutputDevices(devs);
ost << "Audio output devices: " << endl;
for (std::size_t i = 0; i < devs.size(); ++i)
devs[i].print(ost);
getVideoCaptureDevices(devs);
ost << "Video capture devices: " << endl;
for (std::size_t i = 0; i < devs.size(); ++i)
devs[i].print(ost);
}
bool DeviceManager::getVideoCaptureDevice(Device& out, int id)
{
std::vector<Device> devices;
return getVideoCaptureDevices(devices) &&
matchID(devices, out, id);
}