Reconvert shell script for tv/mediaplayers

rencode

#!/bin/sh

if [ -z "$1" ]
then
    echo "Usage:
    $0 <source_dir> <dest_dir> - reencode folder
    $0 <source_file> - reencode file in same dir
Reconverts video stream in media files and keeps all audio channels. Uses ffmpeg."
fi

rencode() {
    inp=$1
    outp=$2
    ffmpeg -i "$inp" -map 0 -vcodec h264 -acodec: copy "$outp"
}

if [ $# = 1 ]
then
    rencode "$1" "rencoded_$1"
fi

if [ $# = 2 ]
then
    mkdir -p $2

    ls $1 | while read f
    do
      rencode "$1/$f" "$2/$f"
    done
fi