WIPwip

1 files changed, 6 insertions, 3 deletions

diff --git a/cvg.c b/cvg.c
index c2d0cd7..1b62d25 100644
--- a/cvg.c
+++ b/cvg.c
@@ -195,7 +195,7 @@ key_event(GtkWidget *widget, GdkEventKey *event, gpointer userdata)
 			break;
 		case GDK_KEY_c:
 		case GDK_KEY_C:
-			if (!cvg->idle_source)
+			if (!cvg->idle_source && cvg->capture)
 				cvg->idle_source = g_idle_add(capture, cvg);
 			break;
 		case GDK_KEY_q:
@@ -375,9 +375,10 @@ main(int argc, char *argv[])
 	cvg.capture = cvCreateCameraCapture(index);
 	if (!cvg.capture) {
 		fprintf(stderr, "ERROR: capture is NULL \n");
-		exit(EXIT_FAILURE);
+		//exit(EXIT_FAILURE);
 	}
 
+	if (cvg.capture) {
 #if 1
 	cvSetCaptureProperty(cvg.capture, CV_CAP_PROP_FRAME_WIDTH,  10000);
 	cvSetCaptureProperty(cvg.capture, CV_CAP_PROP_FRAME_HEIGHT, 10000);
@@ -386,6 +387,7 @@ main(int argc, char *argv[])
 	printf("width: %.f, height: %.f\n",
 	       cvGetCaptureProperty(cvg.capture, CV_CAP_PROP_FRAME_WIDTH),
 	       cvGetCaptureProperty(cvg.capture, CV_CAP_PROP_FRAME_HEIGHT));
+	}
 
 	builder = gtk_builder_new();
 	path = g_path_get_dirname(argv[0]);
@@ -410,7 +412,8 @@ main(int argc, char *argv[])
 	combobox = gtk_builder_get_object(builder, "comboboxtext1");
 	gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), 0);
 
-	cvg.idle_source = g_idle_add(capture, &cvg);
+	if (cvg.capture)
+		cvg.idle_source = g_idle_add(capture, &cvg);
 	cvg.filter = hide_filter;
 	gtk_widget_show_all(GTK_WIDGET(gtk_builder_get_object(builder, "win")));
 	g_object_unref(builder);