capture: Overload perror to hide some OpenCV error messages

1 files changed, 12 insertions, 0 deletions

diff --git a/capture.c b/capture.c
index 6f5ecd0..8576e20 100644
--- a/capture.c
+++ b/capture.c
@@ -7,6 +7,8 @@
 #include <cv.h>
 #include <highgui.h>
 
+#include <errno.h>
+
 /* Only available as of GTK 3.4 */
 #ifndef GDK_BUTTON_PRIMARY
 #define GDK_BUTTON_PRIMARY 1
@@ -257,3 +259,13 @@ main(int argc, char *argv[])
 
 	return 0;
 }
+
+/* FIXME: Need to overload perror so that invalid OpenCV messages are hidden. */
+void
+perror(const char *s)
+{
+	if (strcmp("VIDIOC_QUERYMENU", s) == 0)
+		return;
+
+	fprintf(stderr, "%s: %s\n", s, strerror(errno));
+}