[FFmpeg-devel] [PATCH] mxfenc: ensure mxf->body_partition_offset is not NULL before using it

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Thu Mar 12 17:48:27 CET 2015


This fixes a crash, when trying to mux h264 into mxf_opatom.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
 libavformat/mxfenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index 898951c..2891f5d 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -2358,7 +2358,7 @@ static int mxf_write_footer(AVFormatContext *s)
     mxf_write_random_index_pack(s);

     if (s->pb->seekable) {
-        if (s->oformat == &ff_mxf_opatom_muxer){
+        if (s->oformat == &ff_mxf_opatom_muxer && mxf->body_partition_offset){
             /* rewrite body partition to update lengths */
             avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
             if ((err = mxf_write_opatom_body_partition(s)) < 0)
-- 2.1.4



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