private void getVideoSources(object source, ElapsedEventArgs e)
{
if (isRunning)
{
return;
}
isRunning = true;
FilterInfoCollection VideoCaptureDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
bool changed = false;
lock (_locker)
{
List <VideoDeviceDTO> exists = new List <VideoDeviceDTO>();
foreach (FilterInfo VideoCaptureDevice in VideoCaptureDevices)
{
var vsd = new VideoDeviceDTO()
{
Name = VideoCaptureDevice.Name,
DisplayName = VideoCaptureDevice.Name,
Id = VideoCaptureDevice.MonikerString,
Type = SourceType.USB_CAMERA
};
exists.Add(vsd);
}
foreach (VideoDeviceDTO videoCaptureDevice in exists)
{
var found = _videoSourceList.FirstOrDefault(v => v.Name == videoCaptureDevice.Name);
if (found == null)
{
var vsd = new VideoDeviceDTO()
{
Name = videoCaptureDevice.Name,
DisplayName = videoCaptureDevice.Name,
Id = videoCaptureDevice.Id,
Type = SourceType.USB_CAMERA
};
_videoSourceList.Add(vsd);
changed = true;
}
}
foreach (VideoDeviceDTO device in _videoSourceList.ToList())
{
if (device.Type != SourceType.USB_CAMERA)
{
continue;
}
if (!exists.Any(d => d.Name == device.Name))
{
_videoSourceList.Remove(device);
changed = true;
}
}
}
isRunning = false;
if (changed)
{
SourcesChanged?.Invoke(_videoSourceList, null);
}
}
public void UpdateVehicleDisplayName(VideoDeviceDTO vdd)
{
lock (_locker)
{
var vs = _videoSourceList.FirstOrDefault(v => v.VehicleId == vdd.VehicleId);
if (vs != null)
{
vs.DisplayName = vdd.DisplayName;
}
}
}
public void RemoveVehicleVideoSource(VideoDeviceDTO vdd)
{
lock (_locker)
{
var vname = _videoSourceList.FirstOrDefault(v => v.VehicleId == vdd.VehicleId);
if (vname != null)
{
_videoSourceList.Remove(vname);
SourcesChanged?.Invoke(_videoSourceList, null);
}
}
}
public void AddOrUpdateVehicleVideoSource(VideoDeviceDTO vdd)
{
bool changed = false;
lock (_locker)
{
var vs = _videoSourceList.FirstOrDefault(v => v.VehicleId == vdd.VehicleId);
if (vs == null)
{
if (!string.IsNullOrEmpty(vdd.Name))
{
_videoSourceList.Add(vdd);
changed = true;
}
}
else
{
if (string.IsNullOrEmpty(vdd.Name))
{
_videoSourceList.Remove(vs);
changed = true;
}
else if (vs.Name != vdd.Name)
{
vs.Id = VideoDeviceDTO.GenerateId(vdd.Id, vdd.Name);
vs.Name = vdd.Name;
vs.DisplayName = vdd.DisplayName;
changed = true;
}
}
}
if (changed)
{
SourcesChanged?.Invoke(_videoSourceList, null);
}
}