[FFmpeg-trac] #1400(undetermined:new): Segfault, using -filter_complex

[FFmpeg]

#1400: Segfault, using -filter_complex
-------------------------------------+-------------------------------------
             Reporter:  burek        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by burek):

 Just to be sure, I've tried this same command on some other videos I hade
 and it's pretty much the same error:

 {{{
 $ ffmpeg -i supermen.flv -i kittens.flv -filter_complex
 '[0:0]scale=iw/2:ih/2,pad=2*iw:ih[left];[1:0]scale=iw/2:ih/2[right];[left][right]overlay=main_w/2:0;[0:1][1:1]
 amerge' out.flvffmpeg version N-41142-g8f61526 Copyright (c) 2000-2012 the
 FFmpeg developers
   built on May 30 2012 13:40:37 with gcc 4.6.3
   configuration: --enable-static --enable-shared --enable-gpl --enable-
 nonfree --enable-postproc --enable-libx264 --enable-libaacplus --enable-
 libmp3lame --enable-libopenjpeg --enable-zlib
   libavutil      51. 55.100 / 51. 55.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, flv, from 'supermen.flv':
   Metadata:
     lastkeyframetimestamp: 20
     lastkeyframelocation: 949687
     creator         : YouTube, Inc.
     metadatacreator : YouTube Metadata Injector.
     haskeyframes    : true
     hasmetadata     : true
   Duration: 00:00:20.84, start: 0.000000, bitrate: 371 kb/s
     Stream #0:0: Video: flv1, yuv420p, 320x240, 380 kb/s, 25 tbr, 1k tbn,
 1k tbc
     Stream #0:1: Audio: mp3, 22050 Hz, mono, s16, 56 kb/s
 Input #1, flv, from 'kittens.flv':
   Metadata:
     lastkeyframetimestamp: 183
     lastkeyframelocation: 7513173
     creator         : YouTube, Inc.
     metadatacreator : YouTube Metadata Injector.
     haskeyframes    : true
     hasmetadata     : true
   Duration: 00:03:02.90, start: 0.000000, bitrate: 328 kb/s
     Stream #1:0: Video: flv1, yuv420p, 320x240, 336 kb/s, 30 tbr, 1k tbn,
 1k tbc
     Stream #1:1: Audio: mp3, 22050 Hz, mono, s16, 64 kb/s
 [buffer @ 0x9107840] w:320 h:240 pixfmt:yuv420p tb:1/1000 sar:0/1
 sws_param:flags=2
 [buffer @ 0x9107700] w:320 h:240 pixfmt:yuv420p tb:1/1000 sar:0/1
 sws_param:flags=2
 [buffersink @ 0x9105560] No opaque field provided
 [amerge @ 0x9107120] No channel layout for input 1
 Segmentation fault
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1400#comment:1>
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