From c35de1a131b7d6bd2701b749ebbf91b4bd55d87d Mon Sep 17 00:00:00 2001
From: David Conrad <lessen42@gmail.com>
Date: Wed, 5 Sep 2007 00:25:29 +0000
Subject: [PATCH] Check that the seekheads were created
Originally committed as revision 10369 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavformat/matroskaenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index d7726bcd292..484a004a9ae 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -632,6 +632,8 @@ static int mkv_write_header(AVFormatContext *s)
// currently defined level 1 element
mkv->main_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 10);
mkv->cluster_seekhead = mkv_start_seekhead(pb, mkv->segment_offset, 0);
+ if (mkv->main_seekhead == NULL || mkv->cluster_seekhead == NULL)
+ return AVERROR(ENOMEM);
if (mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_INFO, url_ftell(pb)) < 0)
return -1;
--
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