From 89cc8c17dfc2e49d2507eb72bfba10baba372d7f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <tomas.hardin@codemill.se>
Date: Fri, 9 Dec 2011 16:08:29 +0100
Subject: [PATCH] mxfdec: Check slice_count before freeing slice_offset_entries

This fixes SIGSEGV on sliceless (single stream) VBR files

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/mxfdec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 1f2782bade..2b2eb98a0c 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1713,6 +1713,7 @@ static int mxf_read_close(AVFormatContext *s)
             break;
         case IndexTableSegment:
             seg = (MXFIndexTableSegment *)mxf->metadata_sets[i];
+            if (seg->slice_count)
             for (j = 0; j < seg->nb_index_entries; j++)
                 av_freep(&seg->slice_offset_entries[j]);
             av_freep(&seg->slice);