private void RefreshVideoCaptureDevices(IList <MediaDevice> videoCaptureDevices)
{
RunOnUiThread(() => {
Collection <MediaDevice> videoCaptureDevicesToRemove = new Collection <MediaDevice>();
foreach (MediaDevice videoCaptureDevice in Cameras)
{
if (videoCaptureDevices.FirstOrDefault(x => x.Id == videoCaptureDevice.Id) == null)
{
videoCaptureDevicesToRemove.Add(videoCaptureDevice);
}
}
foreach (MediaDevice removedVideoCaptureDevices in videoCaptureDevicesToRemove)
{
if (SelectedCamera != null && SelectedCamera.Id == removedVideoCaptureDevices.Id)
{
SelectedCamera = null;
}
Cameras.Remove(removedVideoCaptureDevices);
}
foreach (MediaDevice videoCaptureDevice in videoCaptureDevices)
{
if (Cameras.FirstOrDefault(x => x.Id == videoCaptureDevice.Id) == null)
{
Cameras.Add(videoCaptureDevice);
}
}
if ((SelectedCamera == null) && Cameras.Count > 0)
{
Debug.WriteLine("SelectedCamera RefreshVideoCaptureDevices() Update");
SelectedCamera = Cameras.FirstOrDefault();
}
});
}
/// <summary>
/// Refresh video capture devices list.
/// </summary>
private async Task RefreshVideoCaptureDevices()
{
var videoCaptureDevices = (await _mediaSettings.GetVideoCaptureDevicesAsync()).Devices;
var removedDevicesInfo = "";
var videoCaptureDevicesToRemove = new Collection <MediaDevice>();
Cameras = Cameras ?? new ObservableCollection <MediaDevice>();
foreach (
var videoCaptureDevice in
Cameras.Where(
videoCaptureDevice =>
videoCaptureDevices.FirstOrDefault(x => x.Id == videoCaptureDevice.Id) == null))
{
videoCaptureDevicesToRemove.Add(videoCaptureDevice);
if (EtwStatsEnabled)
{
removedDevicesInfo += "id = " + videoCaptureDevice.Id + " name = " +
videoCaptureDevice.Name + "\n";
}
}
foreach (var removedVideoCaptureDevices in videoCaptureDevicesToRemove)
{
if (SelectedCamera != null && SelectedCamera.Id == removedVideoCaptureDevices.Id)
{
SelectedCamera = null;
}
Cameras.Remove(removedVideoCaptureDevices);
}
if (removedDevicesInfo != "")
{
ETWEventLogger.Instance.LogEvent("Video Device(s) Removed", removedDevicesInfo,
DateTimeOffset.Now.ToUnixTimeMilliseconds().ToString());
}
var addedDevicesInfo = "";
foreach (var videoCaptureDevice in videoCaptureDevices)
{
if (Cameras.FirstOrDefault(x => x.Id == videoCaptureDevice.Id) == null)
{
Cameras.Add(videoCaptureDevice);
if (EtwStatsEnabled)
{
addedDevicesInfo += "id = " + videoCaptureDevice.Id + " name = " +
videoCaptureDevice.Name + "\n";
}
}
}
if (addedDevicesInfo != "")
{
ETWEventLogger.Instance.LogEvent("Video Device(s) Added", addedDevicesInfo,
DateTimeOffset.Now.ToUnixTimeMilliseconds().ToString());
}
if (SelectedCamera == null)
{
SelectedCamera = Cameras.FirstOrDefault();
}
}
private void RefreshCamera()
{
CloseSession();
Cameras.Clear();
foreach (var camera in CameraHandler.GetCameraList())
{
Cameras.Add(camera);
}
SelectedCamera = Cameras.FirstOrDefault();
}
public ICamera GetCamera(string abbreviation)
{
if (string.IsNullOrEmpty(abbreviation))
{
return(new NullCamera());
}
var camera = Cameras?.FirstOrDefault(c => string.Equals(c.Abbreviation, abbreviation, StringComparison.InvariantCultureIgnoreCase));
return(camera ?? new NullCamera());
}
public void SelectCamera(string key)
{
var camera = Cameras.FirstOrDefault(c => c.Key.ToLower().IndexOf(key.ToLower()) > -1);
if (camera != null)
{
Debug.Console(2, this, "Selected Camera with key: '{0}'", camera.Key);
SelectedCamera = camera;
}
else
{
Debug.Console(2, this, "Unable to select camera with key: '{0}'", key);
}
}
public DeviceInformation GetCamera(string id)
{
if (!Cameras.Any())
{
return(null);
}
var camera = Cameras.FirstOrDefault(x => x.Id.ToLower() == id?.ToLower());
if (camera == null)
{
camera = Cameras.FirstOrDefault(x => x.EnclosureLocation?.Panel == Panel.Front);
}
return(camera ?? Cameras.First());
}
public async Task <DeviceInformation> GetCameraAsync(string id = null)
{
if (Cameras == null)
{
Cameras = await GetCamerasAsync(null);
}
if (!Cameras.Any())
{
return(null);
}
var camera = Cameras.FirstOrDefault(x => x.Id.ToLower() == id?.ToLower());
if (camera == null)
{
camera = Cameras.FirstOrDefault(x => x.EnclosureLocation?.Panel == Panel.Front);
}
return(camera ?? Cameras.First());
}
internal static Camera TryGet(IntPtr handle)
{
if (handle == IntPtr.Zero)
{
return(null);
}
var camera = Cameras.FirstOrDefault(x => x.Handle == handle);
if (camera != null)
{
return(camera);
}
camera = new Camera();
camera.Handle = handle;
Cameras.Add(camera);
return(camera);
}
public Task <Camera> GetCameraByIDAsync(string cameraID) => Task.FromResult(Cameras.FirstOrDefault(c => c.ID == cameraID));