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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-13 16:13:22 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-13 16:42:48 +0100 |
| commit | b51e7554e74cbf007a1cab83c7bed3ad9fa2793a (patch) | |
| tree | 55abeee751b68c8b5860fb12ea37f96fec93f3c6 | |
| parent | 780c4223a54396c3b352608002428fae7f378996 (diff) | |
| download | ffmpeg-b51e7554e74cbf007a1cab83c7bed3ad9fa2793a.tar.gz | |
avformat/mxfenc: Do not crash if there is no packet in the first stream
Fixes: Ticket4914
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/mxfenc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index 043daff73a..59eed2ec48 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -2469,6 +2469,10 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt) } mxf->edit_units_count++; } else if (!mxf->edit_unit_byte_count && st->index == 1) { + if (!mxf->edit_units_count) { + av_log(s, AV_LOG_ERROR, "No packets in first stream\n"); + return AVERROR_PATCHWELCOME; + } mxf->index_entries[mxf->edit_units_count-1].slice_offset = mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset; } |