//
//
//
private async void MidiInputDevicesListBoxSelectionChanged(object sender, SelectionChangedEventArgs e)
{
DeviceInformation di = midiInputDevicesCollection.ElementAt(MidiInputDevicesListBox.SelectedIndex);
await mdiEngine.setMidiInputPortId(di);
}
/// <summary>
/// Initializes the MediaCapture, registers events, gets camera device information for mirroring and rotating, and starts preview
/// </summary>
/// <returns></returns>
private async Task InitializeCameraAsync()
{
Debug.WriteLine("InitializeCameraAsync");
if (_mediaCapture == null)
{
// Fujimaki Add カメラデバイスの選択処理
DeviceInformationCollection cameraDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
DeviceInformation cameraDevice = null;
for (int i = 0; i < cameraDevices.Count(); i++)
{
if (cameraDevices.ElementAt(i).Name == _cameraDeviceNames[_cameraID])
{
cameraDevice = cameraDevices.ElementAt(i);
break;
}
}
// Fujimaki Add End カメラデバイスの選択処理
if (cameraDevice == null)
{
Debug.WriteLine("No camera device found!");
return;
}
// Create MediaCapture and its settings
_mediaCapture = new MediaCapture();
// Register for a notification when something goes wrong
_mediaCapture.Failed += MediaCapture_Failed;
var settings = new MediaCaptureInitializationSettings {
VideoDeviceId = cameraDevice.Id
};
// Initialize MediaCapture
try
{
await _mediaCapture.InitializeAsync(settings);
_isInitialized = true;
}
catch (UnauthorizedAccessException)
{
Debug.WriteLine("The app was denied access to the camera");
}
catch (Exception excep)
{
int a = 0;
}
// If initialization succeeded, start the preview
if (_isInitialized)
{
// Figure out where the camera is located
if (cameraDevice.EnclosureLocation == null || cameraDevice.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Unknown)
{
// No information on the location of the camera, assume it's an external camera, not integrated on the device
_externalCamera = true;
}
else
{
// Camera is fixed on the device
_externalCamera = false;
// Only mirror the preview if the camera is on the front panel
_mirroringPreview = (cameraDevice.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front);
}
await SetResolution();
await StartPreviewAsync();
var picturesLibrary = await StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures);
// Fall back to the local app storage if the Pictures Library is not available
_captureFolder = picturesLibrary.SaveFolder ?? ApplicationData.Current.LocalFolder;
}
}
}
internal async Task <int> ImediateEnum()
{
// Create a selector that gets a HID device using VID/PID and a
// VendorDefined usage.
var selector = HidDevice.GetDeviceSelector(usagePage, usageId);
// Enumerate devices using the selector.
DeviceInformationCollection devices = await DeviceInformation.FindAllAsync(selector);
foreach (YUSBDevice yusbDevice in _usableDevices)
{
yusbDevice.MarkForUnplug = true;
}
if (devices.Count > 0)
{
for (var i = 0; i < devices.Count; i++)
{
var devinfo = devices.ElementAt(i);
if (!devinfo.IsEnabled)
{
_hub._yctx._Log(devinfo.Name + " is disabled (skip)\n");
continue;
}
bool found = false;
foreach (YUSBDevice yusbDevice in _usableDevices)
{
if (yusbDevice.Info.Id == devinfo.Id && yusbDevice.imm_isWorking())
{
yusbDevice.MarkForUnplug = false;
found = true;
break;
}
}
if (found)
{
continue;
}
// Open the target HID device at index 0.
var device = await HidDevice.FromIdAsync(devinfo.Id, FileAccessMode.ReadWrite);
if (device == null)
{
// allready opened
continue;
}
if (device.VendorId == 0x24e0)
{
YUSBDevice yusbDevice = new YUSBDevice(this, _hub, device, devinfo);
//Debug.WriteLine("setup yusbDevice=s " + yusbDevice.GetHashCode() + " device=" + device.GetHashCode());
await yusbDevice.Setup(YUSBPkt.YPKT_USB_VERSION_BCD);
_allDevice.Add(yusbDevice);
_usableDevices.Add(yusbDevice);
}
else
{
Debug.WriteLine("drop" + device.VendorId + ":" + device.ProductId);
device.Dispose();
}
}
}
_usableDevices.RemoveAll(item => item.MarkForUnplug);
return(_usableDevices.Count);
}
/// <summary>
/// Initializes the MediaCapture, registers events, gets camera device information for mirroring and rotating, starts preview and unlocks the UI
/// </summary>
/// <returns></returns>
private async Task InitializeCameraAsync()
{
Debug.WriteLine("InitializeCameraAsync");
if (_mediaCapture == null)
{
// Attempt to get the back camera if one is available, but use any camera device if not
// var cameraDevice = await FindCameraDeviceByPanelAsync(Windows.Devices.Enumeration.Panel.Back);
DeviceInformationCollection cameraDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
DeviceInformation cameraDevice = null;
for (int i = 0; i < 3; i++)
{
if (cameraDevices.ElementAt(i).Name != "USB 2.0 Camera")
{
continue;
}
cameraDevice = cameraDevices.ElementAt(i);
}
if (cameraDevice == null)
{
Debug.WriteLine("No camera device found!");
return;
}
// Create MediaCapture and its settings
_mediaCapture = new MediaCapture();
// Register for a notification when video recording has reached the maximum time and when something goes wrong
_mediaCapture.RecordLimitationExceeded += MediaCapture_RecordLimitationExceeded;
_mediaCapture.Failed += MediaCapture_Failed;
var settings = new MediaCaptureInitializationSettings {
VideoDeviceId = cameraDevice.Id
};
// Initialize MediaCapture
try
{
await _mediaCapture.InitializeAsync(settings);
_isInitialized = true;
}
catch (UnauthorizedAccessException)
{
Debug.WriteLine("The app was denied access to the camera");
}
// If initialization succeeded, start the preview
if (_isInitialized)
{
// Figure out where the camera is located
if (cameraDevice.EnclosureLocation == null || cameraDevice.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Unknown)
{
// No information on the location of the camera, assume it's an external camera, not integrated on the device
_externalCamera = true;
}
else
{
// Camera is fixed on the device
_externalCamera = false;
// Only mirror the preview if the camera is on the front panel
_mirroringPreview = (cameraDevice.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front);
}
// Initialize rotationHelper
_rotationHelper = new CameraRotationHelper(cameraDevice.EnclosureLocation);
_rotationHelper.OrientationChanged += RotationHelper_OrientationChanged;
await StartPreviewAsync();
UpdateCaptureControls();
}
}
}
