[FFmpeg-user] Floating point exception when converting ogg to mp4

[Marc Boorshtein]

All,

I'm trying to convert an ogv of a desktop recording to mp4.  If I do
something really basic:

$ ffmpeg -i out.ogv test.mp4

it encodes, but the video is really bad.  I tried using one of the
lossless presets:

$ ffmpeg -i ~/out.ogv  -vpre libx264-lossless_fast test.mp4
ffmpeg version git-snapshot-oldabi-20110612-RPMFusion, Copyright (c)
2000-2011 the FFmpeg developers
  built on Jul  1 2011 17:40:35 with gcc 4.6.0 20110509 (Red Hat 4.6.0-7)
  configuration: --prefix=/usr --bindir=/usr/bin
--datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg
--libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64
--extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
-fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64
-mtune=generic' --enable-bzlib --enable-libdc1394 --enable-libdirac
--enable-libgsm --enable-libmp3lame --enable-libopenjpeg
--enable-librtmp --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
--enable-libxvid --enable-x11grab --enable-avfilter --enable-postproc
--enable-pthreads --disable-static --enable-shared --enable-gpl
--disable-debug --disable-stripping --shlibdir=/usr/lib64
--enable-runtime-cpudetect
  libavutil    50. 41. 0 / 50. 41. 0
  libavcodec   52.121. 0 / 52.121. 0
  libavformat  52.108. 0 / 52.108. 0
  libavdevice  52.  4. 0 / 52.  4. 0
  libavfilter   1. 78. 0 /  1. 78. 0
  libswscale    0. 14. 0 /  0. 14. 0
  libpostproc  51.  2. 0 / 51.  2. 0
[ogg @ 0xf69920] max_analyze_duration reached
Input #0, ogg, from '/home/mlb/out.ogv':
  Duration: 00:00:25.46, start: 0.000000, bitrate: 1286 kb/s
    Stream #0.0: Data: skeleton
    Stream #0.1: Video: theora, yuv420p, 1354x768 [PAR 1:1 DAR
677:384], 15 fps, 15 tbr, 15 tbn, 15 tbc
    Stream #0.2: Audio: vorbis, 22050 Hz, mono, s16, 89 kb/s
File 'test.mp4' already exists. Overwrite ? [y/N] y
[buffer @ 0xf72820] w:1354 h:768 pixfmt:yuv420p tb:1/1000000 sar:1/1
Floating point exception (core dumped)

But its giving me the floating point exception.  Running on fedora 15
on an intel i7 quadcore with 8gb of ram.  Any help would be greatly
appreciated.

Thanks
Marc