X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fimage.c;h=1d352647d71adabdb7996de491b21525619484a4;hb=0654fb285c91da103314610cd4f27295e3da38f3;hp=263ce07246f8cea86f1bfd53fa6624198f89ec33;hpb=e6bda8bb88f10884ecc05372747f3ffbc9f1c060;p=matches%2FMCTX3420.git

diff --git a/server/image.c b/server/image.c
index 263ce07..1d35264 100644
--- a/server/image.c
+++ b/server/image.c
@@ -4,18 +4,54 @@
 #include <string.h>
 #include <stdio.h>
 
+CvCapture *capture;
+int captureID = -1;
+
 void Image_Handler(FCGIContext * context, char * params)
 {
-	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;
 	}
+
+	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?