- static CvCapture * capture = NULL;
- if (capture == NULL) {
- capture = cvCreateCameraCapture(0);
- cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, 640);
- cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, 480);
+ 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;