[MEncoder-users] Flashing hardcoded subtitles with mencoder

[Nig]

Hi all,

I'm trying to hardcode a subtitle into a video file, with the source from a 
DVD

The basic text appears in the output file, but it flashes off and on.
The srt file is correct, <ive stripped it back to just one subtitle, which 
appears for 5 seconds>..  but as stated, it appears, but flashes for 5 
seconds

mencoder is Win32 port, from http://oss.netfarm.it/mplayer-win32.php

my command line is
mencoder dvd://1 -dvd-device E:\  -oac mp3lame -lameopts 
cbr:br=128:vol=6 -noautoexpand -vf expand=::::1::1,scale=720:480 -sub 
"C:\subrip.srt" -subpos 50 -subalign 1 -spuaa 20 -subfont-autoscale 
  -lavcopts vcodec=mpeg4:vbitrate=1024:keyint=250  -ffourcc DIVX -aid 
0x80 -ofps 24000/1001 -Chapter 14-14 -ovc lavc -o "TEST1.AVI" -endpos 
00:00:10


appreciate any help