/// <summary>
/// The on video capture device property changed.
/// </summary>
/// <param name="obj">
/// The obj.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private static void OnVideoCaptureDevicePropertyChanged(
DependencyObject obj,
DependencyPropertyChangedEventArgs args)
{
if (args.NewValue as DsDevice == null)
{
return;
}
//if (Video.Instance.VideoMode != VideoMode.Capture)
//{
// return;
//}
var videoCapturer = obj as VideoCapturer;
if (videoCapturer != null)
{
var device = args.NewValue as DsDevice;
if (videoCapturer.VideoDeviceFilter != null)
{
Marshal.ReleaseComObject(videoCapturer.VideoDeviceFilter);
}
videoCapturer.VideoDeviceFilter = DShowUtils.CreateFilter(FilterCategory.VideoInputDevice, device.Name);
if (Video.Instance.VideoMode == VideoMode.Capture)
{
videoCapturer.NewCamera(0, 0, 0);
}
}
}
/// <summary>
/// The set video mode.
/// </summary>
/// <param name="newVideoMode">
/// The new video mode.
/// </param>
private void SetVideoMode(VideoMode newVideoMode)
{
if (this.videoMode == newVideoMode)
{
return;
}
this.videoElement.VideoFrameChanged -= this.VideoElementVideoFrameChanged;
this.videoMode = newVideoMode;
switch (this.videoMode)
{
case VideoMode.File:
case VideoMode.None:
this.videoCaptureElement.Dispose();
this.videoElement = this.videoPlayerElement;
break;
case VideoMode.Capture:
if (DShowUtils.GetVideoInputDevices().Any())
{
this.videoElement = this.videoCaptureElement;
this.videoCaptureElement.NewCamera(0, 0, 0);
StatusBarContent.Instance.VideoFilename = "Live Video";
}
break;
}
this.videoElement.VideoFrameChanged += this.VideoElementVideoFrameChanged;
//this.videoElement.ImageSource = this.videoElement.ImageSource;
//this.ProcessedVideoSource = this.videoElement.ColorProcessedVideoSource;
}
/// <summary>
/// The show property page of video device.
/// </summary>
public void ShowPropertyPageOfVideoDevice()
{
if (this.VideoDeviceFilter != null)
{
DShowUtils.DisplayPropertyPage(IntPtr.Zero, this.VideoDeviceFilter);
}
}
/// <summary>
/// The show video compressor options dialog.
/// </summary>
public void ShowVideoCompressorOptionsDialog()
{
if (this.videoCompressorFilter != null)
{
DShowUtils.DisplayPropertyPage(IntPtr.Zero, this.videoCompressorFilter);
}
}
