[FFmpeg-trac] #115(undetermined:new): Segmentation fault while running several instance at the same time

[FFmpeg]

#115: Segmentation fault while running several instance at the same time
--------------------------+--------------------------
 Reporter:  gaelb         |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  1
 Analyzed:  0             |
--------------------------+--------------------------
 I run this command :

 {{{

 ffmpeg -i /var/www/dp/d2d/index.html?d=36UM193O -ss 00:00:18 -r 1 -vframes
 1 -s 800x600 -f image2 -y /var/www/dp/pics/36UM193O-18.tiff
 }}}


 for distinct video files at the same time, i've this kind of output:


 {{{

 ffmpeg -i /var/www/dp/d2d/index.html?d=36UM193O -ss 00:00:18 -r 1 -vframes
 1 -s 800x600 -f image2 -y /var/www/dp/pics/36UM193O-18.tiff
 FFmpeg version SVN-r0.5.1-4:0.5.1-1ubuntu1.1, Copyright (c) 2000-2009
 Fabrice Bellard, et al.
   configuration: --extra-version=4:0.5.1-1ubuntu1.1 --prefix=/usr
 --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
 --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-
 stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl
 --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394
 --enable-shared --disable-static
   libavutil     49.15. 0 / 49.15. 0
   libavcodec    52.20. 1 / 52.20. 1
   libavformat   52.31. 0 / 52.31. 0
   libavdevice   52. 1. 0 / 52. 1. 0
   libavfilter    0. 4. 0 /  0. 4. 0
   libswscale     0. 7. 1 /  0. 7. 1
   libpostproc   51. 2. 0 / 51. 2. 0
   built on Mar 31 2011 18:53:20, gcc: 4.4.3

 Seems stream 0 codec frame rate differs from container frame rate: 47.95
 (27956/583) -> 23.98 (24000/1001)
 Input #0, matroska, from '/var/www/dp/d2d/index.html?d=36UM193O':
   Duration: 02:00:20.97, start: 0.000000, bitrate: N/A
     Stream #0.0(eng): Video: h264, yuv420p, 1920x1080, PAR 1:1 DAR 16:9,
 23.98 tbr, 1k tbn, 47.95 tbc
     Stream #0.1(fre): Audio: dca, 48000 Hz, 5.1, s16
     Stream #0.2(eng): Audio: dca, 48000 Hz, 5.1, s16
     Stream #0.3(fre): Subtitle: 0x0000
     Stream #0.4(fre): Subtitle: 0x0000
 Output #0, image2, to '/var/www/dp/pics/36UM193O-18.tiff':
     Stream #0.0(eng): Video: tiff, yuv420p, 800x600 [PAR 4:3 DAR 16:9],
 q=2-31, 200 kb/s, 90k tbn, 1 tbc
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 Erreur de segmentation //=> segmentation fault in french

 }}}

 When i execute them sequentially, there's no problems and the picture are
 well extracted.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/115>
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