#!/bin/bash
length=`mlength "$@" | total`
dvdbytes=4700372992
bitrate=`dc -e "$dvdbytes 8 * $length / p"`
audiorate=448000
videorate=`dc -e "$bitrate $audiorate - p"`
videokrate=`dc -e "$videorate 1024 / p"`
echo $videokrate
# note: round this down for safety and to accomodate the container