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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 17:27:04 +0100 |
| commit | 95a144ae62b1cc724f8e9cbcfbb6e9195599a37f (patch) | |
| tree | a2bd46236b6f367bc22635e8cffacb86591cb588 | |
| parent | 1450a39ad495ad086b1110d15f999c0eeca92ef8 (diff) | |
| download | ffmpeg-95a144ae62b1cc724f8e9cbcfbb6e9195599a37f.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 9e23bed1c0..4013be024d 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -2467,6 +2467,10 @@ 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; } |