/// <summary>
/// Initialize video device.
/// </summary>
/// <param name="videoDeviceSourceId">Video device source Id.</param>
/// <exception cref="InvalidOperationException">Throws invalid operation exception if video device source setup fails.</exception>
private void InitializeVideoDevice(string videoDeviceSourceId)
{
if (this.isVideoSourceInitialized)
{
return;
}
var errorAction = new Action(() => this.SetVideoPlayer(false, "Unable to set video device source"));
this.ReleaseVideoDevice();
if (string.IsNullOrEmpty(videoDeviceSourceId))
{
return;
}
if (videoDeviceSourceId.StartsWith("Message:", StringComparison.OrdinalIgnoreCase))
{
var splitString = videoDeviceSourceId.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (splitString.Length == 2)
{
this.SetVideoPlayer(false, splitString[1]);
}
else
{
this.SetVideoPlayer(false);
}
}
else
{
try
{
if (!GetVideoDevices.Any(item => item.UsbId.Equals(videoDeviceSourceId)))
{
return;
}
this.videoCaptureDevice = new VideoCaptureDevice(videoDeviceSourceId);
this.VideoSourcePlayer.VideoSource = this.videoCaptureDevice;
var test = this.videoCaptureDevice.VideoCapabilities.Select(it => it.FrameSize).Distinct();
this.VideoSourcePlayer.Start();
this.isVideoSourceInitialized = true;
this.SetVideoPlayer(true);
}
catch (ArgumentNullException)
{
errorAction();
}
catch (ArgumentException)
{
errorAction();
}
}
}
/// <summary>
/// Initialize video device.
/// </summary>
/// <param name="videoDeviceSourceId">Video device source Id.</param>
/// <exception cref="InvalidOperationException">Throws invalid operation exception if video device source setup fails.</exception>
private void InitializeVideoDevice(string videoDeviceSourceId)
{
if (this.isVideoSourceInitialized)
{
return;
}
var errorAction = new Action(() => this.SetVideoPlayer(false, "Unable to set video device source"));
this.ReleaseVideoDevice();
if (string.IsNullOrEmpty(videoDeviceSourceId))
{
return;
}
if (videoDeviceSourceId.StartsWith("Message:", StringComparison.OrdinalIgnoreCase))
{
var splitString = videoDeviceSourceId.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (splitString.Length == 2)
{
this.SetVideoPlayer(false, splitString[1]);
}
else
{
this.SetVideoPlayer(false);
}
}
else
{
try
{
if (!GetVideoDevices.Any(item => item.UsbId.Equals(videoDeviceSourceId)))
{
return;
}
this.videoCaptureDevice = new VideoCaptureDevice(videoDeviceSourceId);
videoCaptureDevice.NewFrame += NewFrameHandler;
var setting = this.videoCaptureDevice.VideoCapabilities.MaxBy(f => f.FrameSize.Height);
videoCaptureDevice.VideoResolution = setting;
videoCaptureDevice.SnapshotResolution = setting;
var ratio = (double)setting.FrameSize.Width / (double)setting.FrameSize.Height;
VideoPreviewHeight = 550;
VideoPreviewWidth = (double)VideoPreviewHeight * ratio;
videoCaptureDevice.Start();
//this.VideoSourcePlayer.VideoSource = this.videoCaptureDevice;
//this.VideoSourcePlayer.Start();
this.isVideoSourceInitialized = true;
this.SetVideoPlayer(true);
}
catch (ArgumentNullException)
{
errorAction();
}
catch (ArgumentException)
{
errorAction();
}
}
}
