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check body partitions count before writing

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Originally committed as revision 17175 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-02-12 03:38:08 +00:00
parent 2779cdad07
commit cfa3caf81c
1 changed files with 1 additions and 1 deletions
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2
libavformat/mxfenc.c
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@ -1112,7 +1112,7 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid,
if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
put_be64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
else if (!memcmp(key, footer_partition_key, 16))
else if (!memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
put_be64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
else
put_be64(pb, 0);