[FFmpeg-trac] #4281(undetermined:new): -filter_complex causes SIGABRT

FFmpeg trac at avcodec.org
Fri Jan 23 10:14:20 CET 2015

#4281: -filter_complex causes SIGABRT
             Reporter:  Nyyr         |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
  filter_complex SIGABRT             |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
 Summary of the bug:

 I am trying to do a crossfade from one 25 frames MKV to another 25 frmaes
 MKV. ffmpeg crashes immediately...

 How to reproduce:
 /opt/ffmpeg/bin/ffmpeg -i 1_postak-e.mkv -i 2_postak-b.mkv -f lavfi -i
 "color=black" -filter_complex "[0:v]fade=t=out:d=1:alpha=1[v0];
 [1:v]fade=t=in:d=1:alpha=1[v1];     [2:v]scale=pal,trim=duration=1[over];
 [0:a]afade=out:d=1[a0];     [1:a]afade=in:d=1[a1];
 [over][v0]overlay[over1];     [over1][v1]overlay[vout];
 [a0][a1]amix=inputs=2[aout]" -map "[vout]" -map "[aout]" -target pal-dvd
 -q 1 -aspect 16:9 -f matroska -c:v huffyuv 1_postak-2_postak.mkv

 ffmpeg version 2.5.git
 downloaded and built on 2015-01-23
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

Ticket URL: <https://trac.ffmpeg.org/ticket/4281>
FFmpeg <https://ffmpeg.org>
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