public int VideoCapture_CallBack(VIDEO_SAMPLE_INFO VideoInfo, IntPtr pbData, int lLength, long tRefTime, LONGPTR lUserData)
        {
            if ((DateTime.Now - dtimeLastCalback).TotalMilliseconds >= avermediaTools.videoCaptureInfoForCallBack.dwDuration)
            {
                dtimeLastCalback = DateTime.Now;
                lock (objSync)
                {
                    if (imageStatsForm != null && !imageStatsForm.Disposing)
                    {
                        byte[] bData = new byte[lLength - 1];
                        Marshal.Copy(pbData, bData, 0, lLength - 1);
                        try
                        {
                            imageStatsForm.PreviewImage(bData, VideoInfo);
                        }
                        catch (Exception ex) { }
                    }
                }

                iCount++;
                ulong length = VideoInfo.dwWidth * VideoInfo.dwHeight;
                Console.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + " -> " + iCount + "   /   " + lLength + "   /   " + length);
            }
            return(1);
        }
        public void PreviewImage(byte[] imgData, VIDEO_SAMPLE_INFO VideoInfo)
        {
            double contrast = Yuy2Decoder.GetContrastYUY2(imgData, (int)VideoInfo.dwWidth, (int)VideoInfo.dwHeight);

            txtContrast.Invoke((Action)(() => txtContrast.Text = contrast.ToString()));

            Bitmap image  = Yuy2Decoder.ConvertYUY2ToBitmap(imgData, (int)VideoInfo.dwWidth, (int)VideoInfo.dwHeight);
            Bitmap image2 = image.Clone(new Rectangle(0, 0, image.Width, image.Height), image.PixelFormat);

            // gather statistics
            AForge.Imaging.ImageStatisticsYCbCr stat = new AForge.Imaging.ImageStatisticsYCbCr(image);

            txtCr_Max.Invoke((Action)(() => txtCr_Max.Text = stat.Cr.Max.ToString()));
            txtCr_Min.Invoke((Action)(() => txtCr_Min.Text = stat.Cr.Min.ToString()));
            txtCr_Mean.Invoke((Action)(() => txtCr_Mean.Text = stat.Cr.Mean.ToString()));
            txtCr_Median.Invoke((Action)(() => txtCr_Median.Text = stat.Cr.Median.ToString()));
            txtCr_StdDev.Invoke((Action)(() => txtCr_StdDev.Text = stat.Cr.StdDev.ToString()));

            txtCr_MaxWB.Invoke((Action)(() => txtCr_MaxWB.Text = stat.CrWithoutBlack.Max.ToString()));
            txtCr_MinWB.Invoke((Action)(() => txtCr_MinWB.Text = stat.CrWithoutBlack.Min.ToString()));
            txtCr_MeanWB.Invoke((Action)(() => txtCr_MeanWB.Text = stat.CrWithoutBlack.Mean.ToString()));
            txtCr_MedianWB.Invoke((Action)(() => txtCr_MedianWB.Text = stat.CrWithoutBlack.Median.ToString()));
            txtCr_StdDevWB.Invoke((Action)(() => txtCr_StdDevWB.Text = stat.CrWithoutBlack.StdDev.ToString()));
            ////////////////////////////////////////////////////////////////////////////////////////////////////////
            txtCb_Max.Invoke((Action)(() => txtCb_Max.Text = stat.Cb.Max.ToString()));
            txtCb_Min.Invoke((Action)(() => txtCb_Min.Text = stat.Cb.Min.ToString()));
            txtCb_Mean.Invoke((Action)(() => txtCb_Mean.Text = stat.Cb.Mean.ToString()));
            txtCb_Median.Invoke((Action)(() => txtCb_Median.Text = stat.Cb.Median.ToString()));
            txtCb_StdDev.Invoke((Action)(() => txtCb_StdDev.Text = stat.Cb.StdDev.ToString()));

            txtCb_MaxWB.Invoke((Action)(() => txtCb_MaxWB.Text = stat.CbWithoutBlack.Max.ToString()));
            txtCb_MinWB.Invoke((Action)(() => txtCb_MinWB.Text = stat.CbWithoutBlack.Min.ToString()));
            txtCb_MeanWB.Invoke((Action)(() => txtCb_MeanWB.Text = stat.CbWithoutBlack.Mean.ToString()));
            txtCb_MedianWB.Invoke((Action)(() => txtCb_MedianWB.Text = stat.CbWithoutBlack.Median.ToString()));
            txtCb_StdDevWB.Invoke((Action)(() => txtCb_StdDevWB.Text = stat.CbWithoutBlack.StdDev.ToString()));
            ////////////////////////////////////////////////////////////////////////////////////////////////////////
            txtY_Max.Invoke((Action)(() => txtY_Max.Text = stat.Y.Max.ToString()));
            txtY_Min.Invoke((Action)(() => txtY_Min.Text = stat.Y.Min.ToString()));
            txtY_Mean.Invoke((Action)(() => txtY_Mean.Text = stat.Y.Mean.ToString()));
            txtY_Median.Invoke((Action)(() => txtY_Median.Text = stat.Y.Median.ToString()));
            txtY_StdDev.Invoke((Action)(() => txtY_StdDev.Text = stat.Y.StdDev.ToString()));

            txtY_MaxWB.Invoke((Action)(() => txtY_MaxWB.Text = stat.YWithoutBlack.Max.ToString()));
            txtY_MinWB.Invoke((Action)(() => txtY_MinWB.Text = stat.YWithoutBlack.Min.ToString()));
            txtY_MeanWB.Invoke((Action)(() => txtY_MeanWB.Text = stat.YWithoutBlack.Mean.ToString()));
            txtY_MedianWB.Invoke((Action)(() => txtY_MedianWB.Text = stat.YWithoutBlack.Median.ToString()));
            txtY_StdDevWB.Invoke((Action)(() => txtY_StdDevWB.Text = stat.YWithoutBlack.StdDev.ToString()));
            ////////////////////////////////////////////////////////////////////////////////////////////////////////
        }
Example #3
0
 public int VideoCapture_CallBack1(VIDEO_SAMPLE_INFO VideoInfo, IntPtr pbData, int lLength, long tRefTime, LONGPTR lUserData)
 {
     return(1);
 }