mkvremux

#!/usr/bin/env bash

if [ `uname` = "Linux" ]; then
        export LD_LIBRARY_PATH=/apps/mkvtoolnix/lib:$LD_LIBRARY_PATH
        export PATH=$PATH:/apps/mkvtoolnix/bin
fi

CHECK=0
FORCE=0

[ "$1" == "-t" ] && CHECK=1 && shift
[ "$1" == "-f" ] && FORCE=1 && shift
[ ! -f "$1" ] && echo "No file!" && exit

echo ""

if (mkvinfo "$1" | grep "Algorithm: 3 (header removal)"); then
  FORCE=1
fi

if [ $FORCE -eq 1 ]; then
        [ $CHECK -eq 1 ] && echo -e "\nRequires REMUX\n" && exit 1

        mv "$1" "$1.bak"
        mkvmerge -o "$1" --engage keep_bitstream_ar_info -A -S --compression -1:none "$1.bak" -D -S --compression -1:none "$1.bak" -A -D "$1.bak"
        ERR=$?
        if [ $ERR -eq 0 ]; then
                rm "$1.bak"
        else
                echo "Error returned: $ERR"
        fi
else
        echo -e "\nNo header compression found on $1\n"
fi