From ae4ec1a06d5b4c9bcb5647cf555aafd4e5f800f7 Mon Sep 17 00:00:00 2001
From: Bartek Gąsiorzewski <g.bartek@gmail.com>
Date: Mon, 07 May 2018 20:11:57 +0000
Subject: [PATCH] Exit with nonzero status on error
---
src/image.c | 19 ++++++++++++++++---
1 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/src/image.c b/src/image.c
index a02e900..1d5f2fd 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"
@@ -904,19 +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;
}
@@ -1616,7 +1629,7 @@
unsigned char *data = stbi_load(filename, &w, &h, &c, channels);
if (!data) {
fprintf(stderr, "Cannot load image \"%s\"\nSTB Reason: %s\n", filename, stbi_failure_reason());
- exit(0);
+ exit(1);
}
if(channels) c = channels;
int i,j,k;
--
Gitblit v1.10.0