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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-13 16:13:22 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-15 17:39:04 +0100 |
| commit | 07b96325311bcc5f79f02a2ff20e6f54b3c4a459 (patch) | |
| tree | 832fb14e7855ca3371687b215ae0b8a47a4574e3 | |
| parent | 50aacb334a341b941603f22b3a0d841046dc4887 (diff) | |
| download | ffmpeg-07b96325311bcc5f79f02a2ff20e6f54b3c4a459.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>
(cherry picked from commit b51e7554e74cbf007a1cab83c7bed3ad9fa2793a)
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 36503f3d19..7607f959e6 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -2122,6 +2122,10 @@ 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; } |