[SCM] libav/experimental: Fix concat seeking SEEK_END case.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit ae2c69438881ecd9f3ff7dffaf66e62379279820
Author: Wolfram Gloger <wmglo at dent.med.uni-muenchen.de>
Date:   Mon Mar 8 00:40:22 2010 +0000

    Fix concat seeking SEEK_END case.
    
    Patch by Wolfram Gloger wmglo ^ dent.med.uni-muenchen.de.
    
    Originally committed as revision 22306 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/concat.c b/libavformat/concat.c
index 3d25788..3a19d0a 100644
--- a/libavformat/concat.c
+++ b/libavformat/concat.c
@@ -160,9 +160,9 @@ static int64_t concat_seek(URLContext *h, int64_t pos, int whence)
     switch (whence) {
     case SEEK_END:
         for (i = data->length - 1;
-             i && pos < -nodes[i-1].size;
+             i && pos < -nodes[i].size;
              i--)
-            pos += nodes[i-1].size;
+            pos += nodes[i].size;
         break;
     case SEEK_CUR:
         /* get the absolute position */

-- 
Libav/FFmpeg packaging