From 206f8fd36fe120beb8358ea2cf1e8164fe661df3 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Sat, 17 Nov 2012 12:07:43 +0100
Subject: video_decode: Use av_strerror to get an error message if read_frame
 fails

---
 src/video_decode.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/video_decode.c b/src/video_decode.c
index 1124d72..b3c8e4d 100644
--- a/src/video_decode.c
+++ b/src/video_decode.c
@@ -5,6 +5,7 @@
 #include "video_decode.h"
 
 #include <libavutil/avutil.h>
+#include <libavutil/error.h>
 #include <libavformat/avformat.h>
 #include <libavcodec/avcodec.h>
 #include <libswscale/swscale.h>
@@ -114,10 +115,16 @@ video_decode_get_frame(struct video_decode *vd, struct video_frame **frame)
 			av_free_packet(&packet);
 		ret = av_read_frame(vd->fmt_ctx, &packet);
 		if (ret < 0) {
-			if (ret == AVERROR_EOF)
+			if (ret == AVERROR_EOF) {
 				return 0;
+			}
 #if DEBUG
-			fprintf(stderr, "Found no video stream packet!\n");
+			else {
+				char buf[BUFSIZ];
+				av_strerror(ret, buf, BUFSIZ);
+				fprintf(stderr,
+					"Failed to read frame: %s\n", buf);
+			}
 #endif
 			return -1;
 		}
-- 
cgit