#!/bin/sh

set -e

tmp=`mktemp -d -t mvi2divx.XXXXXXX`

bitrate=256


for f in "$@"
do

  # mencoder doesn't seem to pick up config files as per mplayer
  [ -s "$f".conf ] && conf="$f".conf || conf=''

  o="`basename "$f" .avi`"
  o="`basename "$o" .AVI`"

  mkdir -p "$tmp/`dirname "$f"`"                            && \
  mplayer "$f" -vo null -ao pcm -aofile "$tmp/$f.pcm"       && \
  sox "$tmp/$f.pcm" -r 5512 -c 1 "$tmp/$f.wav"              && \
  mencoder "$f" ${conf:+-include "$conf"} -oac copy -audiofile "$tmp/$f.wav" \
       -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=$bitrate -o "$o-${bitrate}k.avi"

  bitrate2=$(($bitrate / 2))
  mencoder "$f" ${conf:+-include "$conf"} -oac copy -audiofile "$tmp/$f.wav" \
       -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=$bitrate2 -o "$o-${bitrate2}k.avi"


  echo "--------------------------------------------------------------"

done

rm -rf "$tmp"