server/image.c

   1 #include "cv.h"
   2 #include "highgui_c.h"
   3 #include "image.h"
   4 #include <string.h>
   5 #include <stdio.h>
   6
   7 void Image_Handler(FCGIContext * context, char * params)
   8 {
   9         static CvCapture * capture = NULL;
  10         if (capture == NULL) {
  11                 capture = cvCreateCameraCapture(0);
  12                 //limit resolution to work on bbb
  13                 cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, 352);
  14                 cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, 288);
  15         }
  16         static int p[] = {CV_IMWRITE_JPEG_QUALITY, 100, 0};
  17
  18         IplImage * frame = cvQueryFrame(capture);
  19         assert(frame != NULL);
  20
  21 //        CvMat stub;
  22  //       CvMat * background = cvGetMat(frame, &stub, 0, 0);
  23
  24 //      CvMat *cv8u = cvCreateMat(frame->width, frame->height, CV_8U);
  25 //      double min, max;
  26 //      CvPoint a,b;
  27 //      cvMinMaxLoc(background, &min, &max, &a, &b, 0);
  28
  29 //      double ccscale = 255.0/(max-min);
  30 //      double ccshift = -min;
  31         //cvCvtScale(frame, cv8u, ccscale, ccshift);
  32         CvMat * jpg = cvEncodeImage(".jpg", frame, p);
  33
  34         // Will this work?
  35         Log(LOGNOTE, "Sending image!");
  36         FCGI_PrintRaw("Content-type: image/jpg\r\n");
  37         FCGI_PrintRaw("Cache-Control: no-cache, no-store, must-revalidate\r\n\r\n");
  38         //FCGI_PrintRaw("Content-Length: %d", jpg->rows*jpg->cols);
  39         FCGI_WriteBinary(jpg->data.ptr,1,jpg->rows*jpg->cols);
  40
  41         cvReleaseMat(&jpg);
  42         cvReleaseImageHeader(&frame);
  43 }