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#!/bin/sh
# Converts audio/video files to a different specified container format with ffmpeg
# Depends on the youtube-filename-fixer script for cleaining up YouTube filenames
usage() {
echo "usage: ffmpeg-convert [options] container video_codec audio_codec files"
echo "\npositional parameters"
echo "\tcontainer\textension of the container that is being converted to"
echo "\tvideo_codec\tvideo codec of the output file"
echo "\taudio_codec\taudio codec of the output file"
echo "\noptions"
echo "\t-d\tdelete original files after conversion"
echo "\t-h\tshow this help and exit"
}
stdin() {
while read -r infile
do
outfile="$(echo $infile | rev | cut -d '.' -f 2 | rev)$container"
echo "converting $infile -> $outfile..."
ffmpeg -nostdin -loglevel 16 -i "$infile" -c:v $video -c:a $audio "$outfile"
[ $delete -eq 1 ] && rm -v "$infile"
done
}
cli() {
for infile in $@
do
outfile="$(echo $infile | rev | cut -d '.' -f 2 | rev)$container"
echo "converting $infile -> $outfile..."
ffmpeg -nostdin -loglevel 16 -i "$infile" -c:v $video -c:a $audio "$outfile"
[ $delete -eq 1 ] && rm -v "$infile"
done
}
options=$(getopt -o 'dhs' -- "$@")
eval set -- "$options"
delete=0
stdin=0
while true
do
case $1 in
'-h') usage ; exit 0 ;;
'-d') delete=1; shift; continue ;;
'-s') stdin=1; shift; continue ;;
'--') shift; break;;
*) echo "internal error"; exit 1 ;;
esac
done
[ $# -ge 3 ] || (usage && exit 1)
# Set variables specified on command line
container="$1"; shift; video="$1"; shift; audio="$1"; shift;
# Prepend a dot to the container name if not specified already
[ "${container#.}" = "$container" ] && container=".$container"
# If there is only one file argument and it is "-"
[ $stdin -eq 1 ] && stdin || cli $@
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