From 89354d0a0ce6fbb22ff262658045cdb8796ff6fd Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Fri, 04 May 2018 20:52:05 +0000
Subject: [PATCH] Fixed memory leaks. And fixes for Web-camera and IP-camera.

---
 src/image.c |   76 +++++++++++++++++++++++--------------
 1 files changed, 47 insertions(+), 29 deletions(-)

diff --git a/src/image.c b/src/image.c
index 4821eff..499306b 100644
--- a/src/image.c
+++ b/src/image.c
@@ -13,6 +13,7 @@
 #ifdef OPENCV
 #include "opencv2/highgui/highgui_c.h"
 #include "opencv2/imgproc/imgproc_c.h"
+#include "opencv2/core/types_c.h"
 #include "opencv2/core/version.hpp"
 #ifndef CV_VERSION_EPOCH
 #include "opencv2/videoio/videoio_c.h"
@@ -37,6 +38,35 @@
     return r;
 }
 
+static float get_pixel(image m, int x, int y, int c)
+{
+	assert(x < m.w && y < m.h && c < m.c);
+	return m.data[c*m.h*m.w + y*m.w + x];
+}
+static float get_pixel_extend(image m, int x, int y, int c)
+{
+	if (x < 0 || x >= m.w || y < 0 || y >= m.h) return 0;
+	/*
+	if(x < 0) x = 0;
+	if(x >= m.w) x = m.w-1;
+	if(y < 0) y = 0;
+	if(y >= m.h) y = m.h-1;
+	*/
+	if (c < 0 || c >= m.c) return 0;
+	return get_pixel(m, x, y, c);
+}
+static void set_pixel(image m, int x, int y, int c, float val)
+{
+	if (x < 0 || y < 0 || c < 0 || x >= m.w || y >= m.h || c >= m.c) return;
+	assert(x < m.w && y < m.h && c < m.c);
+	m.data[c*m.h*m.w + y*m.w + x] = val;
+}
+static void add_pixel(image m, int x, int y, int c, float val)
+{
+	assert(x < m.w && y < m.h && c < m.c);
+	m.data[c*m.h*m.w + y*m.w + x] += val;
+}
+
 void composite_image(image source, image dest, int dx, int dy)
 {
     int x,y,k;
@@ -222,6 +252,8 @@
 		}
 		if (class_id >= 0) {
 			int width = im.h * .006;
+			if (width < 1)
+				width = 1;
 
 			/*
 			if(0){
@@ -572,7 +604,7 @@
 	cvPutText(img, char_buff, pt1, &font, CV_RGB(0, 0, 0));
 	cvShowImage("average loss", img);
 	int k = cvWaitKey(20);
-	if (k == 's') cvSaveImage("chart.jpg", img, 0);
+	if (k == 's' || current_batch == (max_batches-1)) cvSaveImage("chart.jpg", img, 0);
 }
 #endif	// OPENCV
 
@@ -873,19 +905,31 @@
     return im;
 }
 
-image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int use_webcam)
+image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int cpp_video_capture)
 {
 	IplImage* src;
-	if (use_webcam) src = get_webcam_frame(cap);
+	if (cpp_video_capture) {
+		static int once = 1;
+		if (once) {
+			once = 0;
+			do {
+				src = get_webcam_frame(cap);
+				if (!src) return make_empty_image(0, 0, 0);
+			} while (src->width < 1 || src->height < 1 || src->nChannels < 1);
+		} else
+			src = get_webcam_frame(cap);
+	}
 	else src = cvQueryFrame(cap);
 
 	if (!src) return make_empty_image(0, 0, 0);
+	if (src->width < 1 || src->height < 1 || src->nChannels < 1) return make_empty_image(0, 0, 0);
 	IplImage* new_img = cvCreateImage(cvSize(w, h), IPL_DEPTH_8U, 3);
 	*in_img = cvCreateImage(cvSize(src->width, src->height), IPL_DEPTH_8U, 3);
 	cvResize(src, *in_img, CV_INTER_LINEAR);
 	cvResize(src, new_img, CV_INTER_LINEAR);
 	image im = ipl_to_image(new_img);
 	cvReleaseImage(&new_img);
+	if (cpp_video_capture) cvReleaseImage(&src);
 	rgbgr_image(im);
 	return im;
 }
@@ -1641,32 +1685,6 @@
     return out;
 }
 
-float get_pixel(image m, int x, int y, int c)
-{
-    assert(x < m.w && y < m.h && c < m.c);
-    return m.data[c*m.h*m.w + y*m.w + x];
-}
-float get_pixel_extend(image m, int x, int y, int c)
-{
-    if(x < 0) x = 0;
-    if(x >= m.w) x = m.w-1;
-    if(y < 0) y = 0;
-    if(y >= m.h) y = m.h-1;
-    if(c < 0 || c >= m.c) return 0;
-    return get_pixel(m, x, y, c);
-}
-void set_pixel(image m, int x, int y, int c, float val)
-{
-    if (x < 0 || y < 0 || c < 0 || x >= m.w || y >= m.h || c >= m.c) return;
-    assert(x < m.w && y < m.h && c < m.c);
-    m.data[c*m.h*m.w + y*m.w + x] = val;
-}
-void add_pixel(image m, int x, int y, int c, float val)
-{
-    assert(x < m.w && y < m.h && c < m.c);
-    m.data[c*m.h*m.w + y*m.w + x] += val;
-}
-
 void print_image(image m)
 {
     int i, j, k;

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