From: Jeremy Tan <jeremy@jx.tan.fake>
Date: Sat, 21 Sep 2013 08:28:31 +0000 (+0800)
Subject: Image: Fix function type, try to ensure image is not cached, add buffer releases.
X-Git-Url: https://git.ucc.asn.au/?p=matches%2FMCTX3420.git;a=commitdiff_plain;h=e9f4dd9fe8ff9f00b8c47e2eff8cfbfbcd69613d

Image: Fix function type, try to ensure image is not cached, add buffer releases.
---

diff --git a/server/image.c b/server/image.c
index 05a587e..263ce07 100644
--- a/server/image.c
+++ b/server/image.c
@@ -4,12 +4,14 @@
 #include <string.h>
 #include <stdio.h>
 
-void Image_Handler(FCGIContext * context, const char * params)
+void Image_Handler(FCGIContext * context, char * params)
 {
 	static CvCapture * capture = NULL;
-	if (capture == NULL)
+	if (capture == NULL) {
 		capture = cvCreateCameraCapture(0);
-	
+		cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, 640);
+		cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, 480);
+	}
 	static int p[] = {CV_IMWRITE_JPEG_QUALITY, 100, 0};
 
 	IplImage * frame = cvQueryFrame(capture);
@@ -18,8 +20,11 @@ void Image_Handler(FCGIContext * context, const char * params)
 
 	// 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);
 }
diff --git a/server/image.h b/server/image.h
index 7cec1ed..4d94b05 100644
--- a/server/image.h
+++ b/server/image.h
@@ -8,7 +8,7 @@
 
 #include "common.h"
 
-extern void Image_Handler(FCGIContext * context, const char * params); 
+extern void Image_Handler(FCGIContext * context, char * params); 
 
 #endif //_IMAGE_H