#include <string.h>
#include <stdio.h>
-void Image_Handler(FCGIContext * context, const char * params)
+CvCapture *capture;
+int captureID = -1;
+
+void Image_Handler(FCGIContext * context, char * params)
{
- static CvCapture * capture = NULL;
- if (capture == NULL)
- capture = cvCreateCameraCapture(0);
-
+ int num = 0, width = 800, height = 600;
+ FCGIValue val[] = {
+ {"num", &num, FCGI_INT_T},
+ {"width", &width, FCGI_INT_T},
+ {"height", &height, FCGI_INT_T}
+ };
+ if (!FCGI_ParseRequest(context, params, val, 3))
+ return;
+ else if (num < 0 || num > 1) {
+ FCGI_RejectJSON(context, "Invalid capture number");
+ return;
+ } else if (width <= 0 || height <= 0) {
+ FCGI_RejectJSON(context, "Invalid width/height");
+ return;
+ }
+
+ if (captureID != num) {
+ if (captureID >= 0) {
+ cvReleaseCapture(&capture);
+ }
+ capture = cvCreateCameraCapture(num);
+ captureID = num;
+ }
+
+ cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, width);
+ cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, height);
+
static int p[] = {CV_IMWRITE_JPEG_QUALITY, 100, 0};
IplImage * frame = cvQueryFrame(capture);
assert(frame != NULL);
+
+// CvMat stub;
+ // CvMat * background = cvGetMat(frame, &stub, 0, 0);
+
+// CvMat *cv8u = cvCreateMat(frame->width, frame->height, CV_8U);
+// double min, max;
+// CvPoint a,b;
+// cvMinMaxLoc(background, &min, &max, &a, &b, 0);
+
+// double ccscale = 255.0/(max-min);
+// double ccshift = -min;
+ //cvCvtScale(frame, cv8u, ccscale, ccshift);
CvMat * jpg = cvEncodeImage(".jpg", frame, p);
// Will this work?
Log(LOGNOTE, "Sending image!");
- FCGI_PrintRaw("Content-type: image/jpg\r\n\r\n");
+ FCGI_PrintRaw("Content-type: image/jpg\r\n");
+ FCGI_PrintRaw("Cache-Control: no-cache, no-store, must-revalidate\r\n\r\n");
//FCGI_PrintRaw("Content-Length: %d", jpg->rows*jpg->cols);
FCGI_WriteBinary(jpg->data.ptr,1,jpg->rows*jpg->cols);
+ cvReleaseMat(&jpg);
+ cvReleaseImageHeader(&frame);
}