Conversion fails for users other than admin

Using 6.x-4.x-dev from June 2nd

Video upload works fine for admin but won't work for other users.

These errors are displayed on the node:

warning: Division by zero in /var/vwww/video.ux-flux.ca/html/sites/all/modules/video/includes/conversion.inc on line 172.
warning: Division by zero in /var/vwww/video.ux-flux.ca/html/sites/all/modules/video/includes/conversion.inc on line 177.
Something went wrong with your video conversion. Please check your recent log entries for further debugging.

From the logs:

Details
Type	php
Date	Friday, June 4, 2010 - 20:07
User	dmurray
Location	http://video.ux-flux.ca/node/add/video
Referrer	http://video.ux-flux.ca/node/add/video
Message	Division by zero in /var/vwww/video.ux-flux.ca/html/sites/all/modules/video/includes/conversion.inc on line 177.
Severity	error
Hostname	71.7.197.94
Operations

Details
Type	php
Date	Friday, June 4, 2010 - 20:07
User	dmurray
Location	http://video.ux-flux.ca/node/add/video
Referrer	http://video.ux-flux.ca/node/add/video
Message	Division by zero in /var/vwww/video.ux-flux.ca/html/sites/all/modules/video/includes/conversion.inc on line 172.
Severity	error
Hostname	71.7.197.94
Operations

Details
Type	video_ffmpeg
Date	Friday, June 4, 2010 - 20:07
User	dmurray
Location	http://video.ux-flux.ca/node/add/video
Referrer	http://video.ux-flux.ca/node/add/video
Message	Executing command: nice -n 19 /usr/bin/ffmpeg -y -i sites/default/files/videos/original/MOV06660.MPG -f flv -ar 22050 -ab 64000 -s 0x0 -padtop 0 -padbottom 0 -b 200000 -qscale 1 sites/default/files/videos/converted/MOV06660.flv 2>&1
Severity	debug
Hostname	71.7.197.94
Operations

Details
Type	video_metadata
Date	Friday, June 4, 2010 - 20:07
User	dmurray
Location	http://video.ux-flux.ca/node/add/video
Referrer	http://video.ux-flux.ca/node/add/video
Message	Executing command: nice -n 19 /usr/bin/flvtool2 -UP sites/default/files/videos/converted/MOV06660.flv 2>&1
Severity	debug
Hostname	71.7.197.94
Operations	

Details
Type	video_conversion
Date	Friday, June 4, 2010 - 20:07
User	dmurray
Location	http://video.ux-flux.ca/node/add/video
Referrer	http://video.ux-flux.ca/node/add/video
Message	Video conversion failed. FFMPEG reported the following output: FFmpeg version SVN-r15261, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --prefix=/usr --incdir=/usr/include/ffmpeg --libdir=/usr/lib --mandir=/usr/share/man --arch=i386 --extra-cflags=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables --enable-bzlib --enable-libdc1394 --enable-libfaac --enable-libfaad --enable-libgsm --enable-libmp3lame --enable-libschroedinger --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avfilter-lavf --enable-postproc --enable-swscale --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib --cpu=i386 libavutil 49.11. 0 / 49.11. 0 libavcodec 51.71. 0 / 51.71. 0 libavformat 52.22. 1 / 52.22. 1 libavdevice 52. 1. 0 / 52. 1. 0 libavfilter 0. 1. 0 / 0. 1. 0 libswscale 0. 6. 1 / 0. 6. 1 libpostproc 51. 2. 0 / 51. 2. 0 built on Mar 9 2009 22:42:30, gcc: 4.3.0 20080428 (Red Hat 4.3.0-8) Input #0, mpeg, from 'sites/default/files/videos/original/MOV06660.MPG': Duration: 00:00:40.60, start: 0.110000, bitrate: 2915 kb/s Stream #0.0[0x1c0]: Audio: mp2, 32000 Hz, mono, s16, 64 kb/s Stream #0.1[0x1e0]: Video: mpeg1video, yuv420p, 640x480 [PAR 1:1 DAR 4:3], 104857 kb/s, 25.00 tb(r) Incorrect frame size
Severity	error
Hostname	71.7.197.94
Operations

Details
Type	filefield
Date	Friday, June 4, 2010 - 20:07
User	dmurray
Location	http://video.ux-flux.ca/node/add/video
Referrer	http://video.ux-flux.ca/node/add/video
Message	FileField was trying to display the file sites/default/files/videos/MOV06660.MPG, but it does not exist.
Severity	warning
Hostname	71.7.197.94
Operations