adapt for linux.
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@ -122,7 +122,7 @@ QStringList Application::availableSerialPorts() const {
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QVariantList Application::availableUsbVideoCameras() const {
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QVariantList ret;
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DeviceDiscovery d;
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auto devices = d.getDevices();
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auto devices = d.devices();
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for (auto &device : devices) {
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QVariantMap item;
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item.insert("name", QString::fromStdString(device.friendlyName));
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@ -147,39 +147,7 @@ void DeviceDiscovery::enterOtaMode(const std::shared_ptr<Device> &device, std::e
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&llTimeStamp, &pSample);
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}
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std::vector<std::string> DeviceDiscovery::devices() {
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std::vector<std::string> ret;
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IMFAttributes *attributes = nullptr;
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boost::scope::scope_exit guard([&attributes] { SafeRelease(&attributes); });
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auto result = MFCreateAttributes(&attributes, 1);
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if (FAILED(result)) {
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return ret;
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}
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result = attributes->SetGUID(MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE, MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID);
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if (FAILED(result)) {
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return ret;
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}
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UINT32 count;
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IMFActivate **devices = nullptr;
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result = MFEnumDeviceSources(attributes, &devices, &count);
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if (FAILED(result)) {
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return ret;
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}
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if (count == 0) {
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return ret;
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}
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for (int i = 0; i < count; i++) {
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auto name = ::deviceName(devices[i]);
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ret.push_back(name);
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}
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return ret;
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}
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std::vector<DeviceDiscovery::Device> DeviceDiscovery::getDevices() {
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std::vector<DeviceDiscovery::Device> DeviceDiscovery::devices() {
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std::vector<Device> devices;
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ICreateDevEnum *pDevEnum = nullptr;
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IEnumMoniker *pEnum = nullptr;
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@ -396,8 +364,8 @@ DeviceDiscovery::Device::Device(IMFMediaSource *source) : source(source) {
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}
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}
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#else
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std::vector<std::string> DeviceDiscovery::devices() {
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std::vector<std::string> ret;
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std::vector<DeviceDiscovery::Device> DeviceDiscovery::devices() {
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std::vector<Device> ret;
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for (const auto &entry : std::filesystem::directory_iterator("/dev")) {
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if (entry.is_character_file() && entry.path().string().find("video") != std::string::npos) {
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int fd = open(entry.path().c_str(), O_RDWR);
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@ -409,7 +377,10 @@ std::vector<std::string> DeviceDiscovery::devices() {
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if (ioctl(fd, VIDIOC_QUERYCAP, &cap) == 0) {
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if ((strstr(reinterpret_cast<const char *>(cap.card), DeviceName) != nullptr) &&
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(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
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ret.push_back(entry.path().string());
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Device device;
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device.friendlyName = entry.path().string();
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device.alternativeName = entry.path().string();
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ret.push_back(device);
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}
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}
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close(fd);
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@ -446,7 +417,7 @@ static std::string find_video_device_by_name(const std::string &targetName) {
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std::shared_ptr<DeviceDiscovery::Device> DeviceDiscovery::find(const std::string &deviceName, std::error_code &error) {
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auto ret = std::make_shared<Device>();
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ret->name = find_video_device_by_name(deviceName);
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ret->friendlyName = find_video_device_by_name(deviceName);
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return ret;
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}
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@ -469,9 +440,9 @@ void DeviceDiscovery::enterOtaMode(const std::shared_ptr<Device> &device, std::e
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} else {
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LOG(info) << "found ota specific resolution: " << OtaSpecificWidth << "x" << otaSpecificHeight;
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}
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int fd = open(device->name.c_str(), O_RDWR);
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int fd = open(device->friendlyName.c_str(), O_RDWR);
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if (fd <= 0) {
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LOG(error) << "Failed to open device " << device->name;
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LOG(error) << "Failed to open device " << device->friendlyName;
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} else {
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struct v4l2_format format;
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memset(&format, 0, sizeof(format));
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@ -549,9 +520,9 @@ void DeviceDiscovery::enterOtaMode(const std::shared_ptr<Device> &device, std::e
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DeviceDiscovery::Resolutions DeviceDiscovery::deviceResolutions(const std::shared_ptr<Device> &source) {
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Resolutions ret;
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int fd = open(source->name.c_str(), O_RDWR);
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int fd = open(source->friendlyName.c_str(), O_RDWR);
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if (fd <= 0) {
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LOG(error) << "Failed to open device " << source->name;
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LOG(error) << "Failed to open device " << source->friendlyName;
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} else {
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struct v4l2_fmtdesc fmt;
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fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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@ -36,8 +36,7 @@ public:
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DeviceDiscovery();
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std::shared_ptr<Device> find(const std::string &deviceName, std::error_code &error);
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void enterOtaMode(const std::shared_ptr<Device> &device, std::error_code &error);
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std::vector<std::string> devices();
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std::vector<Device> getDevices();
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std::vector<Device> devices();
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bool SetResolution(const std::string &deviceName, int width, int height);
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protected:
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@ -8,7 +8,7 @@ BOOST_AUTO_TEST_CASE(EnumDevice) {
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auto device = discovery.find("UVC Camera", error);
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auto devices = discovery.devices();
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for (int i = 0; i < devices.size(); i++) {
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LOG(info) << "device[" << i << "] " << devices.at(i);
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LOG(info) << "device[" << i << "] " << devices.at(i).friendlyName;
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}
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discovery.enterOtaMode(device, error);
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