From c671ac40f5d8562b7dc5ec80d6d17520fe80b84d Mon Sep 17 00:00:00 2001
From: Samuli Valo <samuli.valo@picturall.com>
Date: Thu, 22 Oct 2009 16:27:01 +0000
Subject: [PATCH] Fixes detection and error reporting of non-existing files in
 img2.c. Patch by Samuli Valo: name surname picturall com

Originally committed as revision 20346 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/img2.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavformat/img2.c b/libavformat/img2.c
index a90381dc4b..b5a91cd73b 100644
--- a/libavformat/img2.c
+++ b/libavformat/img2.c
@@ -128,7 +128,9 @@ static int find_image_range(int *pfirst_index, int *plast_index,
         if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0){
             *pfirst_index =
             *plast_index = 1;
-            return 0;
+            if(url_exist(buf))
+                return 0;
+            return -1;
         }
         if (url_exist(buf))
             break;
@@ -221,7 +223,7 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
 
     if (!s->is_pipe) {
         if (find_image_range(&first_index, &last_index, s->path) < 0)
-            return AVERROR(EIO);
+            return AVERROR(ENOENT);
         s->img_first = first_index;
         s->img_last = last_index;
         s->img_number = first_index;