Beispiel #1
0
        /// <summary>
        /// 开启摄像头
        /// </summary>
        public void StartWebCam()
        {
            var lpszName = new byte[100];
            var lpszVer  = new byte[100];

            AviCapture.capGetDriverDescriptionA(1, lpszName, 100, lpszVer, 100);
            this._lwndC = AviCapture.capCreateCaptureWindowA(lpszName, AviCapture.WsVisible + AviCapture.WsChild, 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);
                var 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);
            }
        }
Beispiel #2
0
 private bool CapSetVideoFormat(IntPtr hCapWnd, ref AviCapture.Bitmapinfo bmpFormat, int capFormatSize)
 {
     return(AviCapture.SendMessage(hCapWnd, AviCapture.WmCapSetVideoformat, capFormatSize, ref bmpFormat));
 }