floating exception with ffmpeg

[Elon Musk]

Summary of the bug:
How to reproduce:

ffmpeg -f lavfi -i testsrc -qmin 0 -qmax 0 -vcodec mjpeg -f null -
ffmpeg version N-56567-g601eab2 Copyright (c) 2000-2013 the FFmpeg developers
  built on Sep 22 2013 17:02:25 with FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
  configuration: --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --as=clang --cc=clang --disable-debug --disable-ffplay --disable-ffserver --disable-indevs --disable-outdevs --disable-postproc --disable-static --enable-gpl --enable-indev=lavfi --enable-indev=oss --enable-indev=x11grab --enable-nonfree --enable-openssl --enable-outdev=oss --enable-shared --enable-stripping --enable-x11grab --enable-libfreetype --enable-libx264 --enable-libmp3lame --enable-ladspa --mandir=/usr/local/man --samples=../fate-suite
  libavutil      52. 46.100 / 52. 46.100
  libavcodec     55. 33.100 / 55. 33.100
  libavformat    55. 18.102 / 55. 18.102
  libavdevice    55.  3.100 / 55.  3.100
  libavfilter     3. 87.100 /  3. 87.100
  libswscale      2.  5.100 /  2.  5.100
  libswresample   0. 17.103 /  0. 17.103
Input #0, lavfi, from 'testsrc':
  Duration: N/A, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
[swscaler @ 0x2a06e000] deprecated pixel format used, make sure you did set range correctly
Output #0, null, to 'pipe:':
  Metadata:
    encoder         : Lavf55.18.102
    Stream #0:0: Video: mjpeg, yuvj444p, 320x240 [SAR 1:1 DAR 4:3], q=0-0, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo -> mjpeg)
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Floating exception

[Carl Eugen Hoyos]

Reproducible with ffmpeg -i tests/lena.pnm -qmin 0 -qmax 0 -vcodec mjpeg -f null -, regression since 035af99

[Michael Niedermayer]

Fixed in bb4b041df351e49a0fa16007fb4505adea0836d8