/// <summary>
/// 开启摄像头
/// </summary>
public void StartWebCam()
{
byte[] lpszName = new byte[100];
byte[] lpszVer = new byte[100];
AviCapture.capGetDriverDescriptionA(1, lpszName, 100, lpszVer, 100);
this.lwndC = AviCapture.capCreateCaptureWindowA(lpszName, AviCapture.WS_VISIBLE + AviCapture.WS_CHILD, 0, 0, mWidth, mHeight, mControlPtr, 0);
if (this.capDriverConnect(this.lwndC, 0))
{
this.capPreviewRate(this.lwndC, 66);
this.capPreview(this.lwndC, true);
this.capOverlay(this.lwndC, true);
AviCapture.BITMAPINFO bitmapinfo = new AviCapture.BITMAPINFO();
bitmapinfo.bmiHeader.biSize = AviCapture.SizeOf(bitmapinfo.bmiHeader);
bitmapinfo.bmiHeader.biWidth = this.mWidth;
bitmapinfo.bmiHeader.biHeight = this.mHeight;
bitmapinfo.bmiHeader.biPlanes = 1;
bitmapinfo.bmiHeader.biBitCount = 24;
this.capSetVideoFormat(this.lwndC, ref bitmapinfo, AviCapture.SizeOf(bitmapinfo));
this.mFrameEventHandler = new AviCapture.FrameEventHandler(FrameCallBack);
this.capSetCallbackOnFrame(this.lwndC, this.mFrameEventHandler);
AviCapture.SetWindowPos(this.lwndC, 0, 0, 0, mWidth, mHeight, 6);
}
}
private bool capSetVideoFormat(IntPtr hCapWnd, ref AviCapture.BITMAPINFO BmpFormat, int CapFormatSize)
{
return(AviCapture.SendMessage(hCapWnd, AviCapture.WM_CAP_SET_VIDEOFORMAT, CapFormatSize, ref BmpFormat));
}
