private void OpenDevice(object o)
{
var deviceIndex = (int)o;
try
{
var player = new VideoCaptureElement();
player.BeginInit();
player.VideoCaptureDevice = MultimediaUtil.VideoInputDevices[deviceIndex];
player.VideoCaptureSource = MultimediaUtil.VideoInputDevices[deviceIndex].Name;
//player.Width = 320;
//player.DesiredPixelWidth = 320;
//player.Height = 240;
//player.DesiredPixelHeight = 240;
//player.FPS = 30;
player.EndInit();
player.Play();
IsPlaying = true;
_player = player;
HasChapters = false;
}
catch (Exception exc)
{
const string message = "Unable to load selected device.";
Logger.Instance.Warn(message, exc);
MessageBox.Show(message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
OnPropertyChanged("Media");
}
private void StartCamera(ref VideoCaptureElement camera, int width, int height, int fps, int deviceIndex)
{
if (deviceIndex >= MultimediaUtil.VideoInputDevices.Length || deviceIndex < 0)
{
// Invalid device index should be ignored
return;
}
// Initialize the element
camera = new VideoCaptureElement
{
DesiredPixelWidth = width,
DesiredPixelHeight = height,
FPS = fps,
VideoCaptureDevice = MultimediaUtil.VideoInputDevices[deviceIndex]
};
camera.BeginInit();
camera.EndInit();
// Add the control to layout
camera.Width = CameraCanvas.Width;
camera.Height = CameraCanvas.Height;
CameraCanvas.Children.Add(camera);
// start the camera stream
camera.Play();
}
private void initVideoElement()
{
PageControl.getGrid(Window.GetWindow(this)).Children.Remove(videoElement);
videoElement = new VideoCaptureElement();
videoElement.DesiredPixelWidth = 1920;
videoElement.DesiredPixelHeight = 1080;
videoElement.LoadedBehavior = WPFMediaKit.DirectShow.MediaPlayers.MediaState.Play;
videoElement.FPS = 30;
videoElement.RenderTransformOrigin = new Point(0.5, 0.5);
videoElement.Margin = new Thickness(-423, 423, -423, 421);
ScaleTransform videoElementScale = new ScaleTransform();
videoElementScale.ScaleY = -1;
RotateTransform videoElementRotate = new RotateTransform();
videoElementRotate.Angle = 90;
TransformGroup videoElementTransform = new TransformGroup();
videoElementTransform.Children.Add(videoElementScale);
videoElementTransform.Children.Add(videoElementRotate);
PageControl.getGrid(Window.GetWindow(this)).Children.Add(videoElement);
foreach (DsDevice div in DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice))
{
if (div.Name == "Microsoft LifeCam Studio")
{
DsDevice device = div;
videoElement.VideoCaptureDevice = device;
videoElement.VideoCaptureSource = device.Name;
}
}
}
public void SetCaptureDeviceWPFControl(VideoCaptureElement control)
{
this.Control = control;
this.Control.VideoCaptureDevice = this.GetCaptureDevice();
this.Control.Volume = 0;
MainWindowView view = MainWindowView.GetInstrance();
view.CameraStartStopButtonText = "Freeze";
}
public void StopCamera(ref VideoCaptureElement camera)
{
if (camera == null)
{
return;
}
camera.Stop();
CameraCanvas.Children.Remove(camera);
camera = null;
}
/// <summary>
/// 设置视频属性
/// </summary>
/// <param name="videoCaptureElement">保存视频的控件</param>
/// <param name="videoProcAmpProperty">VideoProcAmpProperty枚举，亮度、对比度等等</param>
/// <param name="iVal">枚举的值</param>
public static void SetVideoProcAmpProperty(this VideoCaptureElement videoCaptureElement, VideoProcAmpProperty videoProcAmpProperty, int iVal)
{
videoCaptureElement.SetVideoProcAmpProperty(videoProcAmpProperty, iVal);
}
/// <summary>
/// 饱和度设置
/// </summary>
/// <param name="captureElement"></param>
/// <param name="iVal"></param>
public static void SetHue(this VideoCaptureElement captureElement, int iVal)
{
captureElement.SetVideoProcAmpProperty(VideoProcAmpProperty.Hue, iVal);
}
/// <summary>
/// 对比设置
/// </summary>
/// <param name="captureElement"></param>
/// <param name="iVal"></param>
public static void SetContrast(this VideoCaptureElement captureElement, int iVal)
{
captureElement.SetVideoProcAmpProperty(VideoProcAmpProperty.Contrast, iVal);
}
/// <summary>
/// 亮度设置
/// </summary>
/// <param name="captureElement"></param>
/// <param name="iVal"></param>
public static void SetBrightness(this VideoCaptureElement captureElement, int iVal)
{
captureElement.SetVideoProcAmpProperty(VideoProcAmpProperty.Brightness, iVal);
}