#! /bin/sh

if [ -z "$4" ]; then
   echo "Usage: $0 input_dir aid scale1 scale2 [options]"
   exit 1
fi

input="$1"
aid="$2"
scale1="$3"
scale2="$4"
shift 4

ascale="$scale1" tc_encode "$input" -a 0 "$@" &&
tc_extract_a1 "$input" "$aid" -s "$scale2" &&
rm a1.avi divx4.log output.avi &&
exec mv output2.avi "$input".avi