[FFmpeg-trac] #299(undetermined:new): ffmpeg crashes with -vf mp=boxblur=100:100

FFmpeg trac at avcodec.org
Thu Jun 23 23:30:24 CEST 2011


#299: ffmpeg crashes with -vf mp=boxblur=100:100
--------------------------+--------------------------
 Reporter:  ami_stuff     |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 It seems like there should be added a check for max value allowed by
 mplayer's boxblur filter, because otherwise it crashes.

 I have no debug ffmpeg build, so no gdb output.

 http://samples.mplayerhq.hu/V-codecs/DX50-DivX5/01.avi

 {{{
 C:\>ffmpeg -i 01.avi -vf mp=boxblur=100:100 out.avi
 ffmpeg version N-30956-g81ef892, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Jun 22 2011 17:34:15 with gcc 4.5.3
   configuration: --enable-gpl --enable-version3 --enable-memalign-hack
 --enable-
 runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r
 --enable-libo
 pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --
 enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger
  --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx
 --enabl
 e-libx264 --enable-libxavs --enable-libxvid --enable-zlib
   libavutil    51.  9. 1 / 51.  9. 1
   libavcodec   53.  7. 0 / 53.  7. 0
   libavformat  53.  4. 0 / 53.  4. 0
   libavdevice  53.  1. 1 / 53.  1. 1
   libavfilter   2. 23. 0 /  2. 23. 0
   libswscale    2.  0. 0 /  2.  0. 0
   libpostproc  51.  2. 0 / 51.  2. 0

 Seems stream 0 codec frame rate differs from container frame rate:
 30000.00 (300
 00/1) -> 23.98 (24000/1001)
 Input #0, avi, from '01.avi':
   Duration: 00:00:10.01, start: 0.000000, bitrate: 327 kb/s
     Stream #0.0: Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3], 23.98
 fps, 23
 .98 tbr, 23.98 tbn, 30k tbc
 [buffer @ 01E63500] w:320 h:240 pixfmt:yuv420p tb:1/1000000 sar:1/1
 sws_param:
 [mp @ 01E63A20] This is a unholy filter, it will be purified by the ffmpeg
 exorc
 ist team
 which will change its syntax from dark -vf mp to light -vf.
 Thou shalst not make spells or scripts that depend on it
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf53.4.0
     Stream #0.0: Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3], q=2-31,
 200 k
 b/s, 23.98 tbn, 23.98 tbc
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop, [?] for help

 C:\>
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/299>
FFmpeg <http://ffmpeg.org>
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