#!/bin/sh

# The arguments are:  
#
#  input file, with no extension.  it assumes .ppm on the end.
#  start frame number
#  end frame number
#

input=$1
start=$2 
end=$3

mpeg -NTSC -p 4 -r 800000 -a $start -b $end -s $input.vid.mpg $input.ppm &
getaudio $input.ppm $start $end | sox -t sw -r 44100 -c 2 - -t sw -r 44100 -c 1 - avg > $input.aud 
mpeg_musicin -b 64 -m m $input.aud

wait

mplex $input.vid.mpg $input.aud.mpg $input.mpg

