dotfiles/tools/.local/bin/media_converter

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2018-10-02 21:41:43 +01:00
#! /bin/bash
#################################################################################
# File Name : media_converter.sh
# Created By : jguer
# Creation Date : [2016-06-15 20:31]
# Last Modified : [2016-08-17 20:54]
# Description : Jguer's media defaults for conversion
#################################################################################
readonly WORK_DIR="$(dirname "$(readlink -f "$0")")"
readonly OUTPUT_FOLDER=$(date +%Y-%m-%d-%H)
# Usage Function
function usage() {
cat <<_EOT_
Usage:
$0 -m mediatype -i extension [-d target_directory]
Description:
Converts files to more convenient format
Options:
-m audio|video|pic-lossy|pic-loss
-i input extension
-d target directory
-h display help
_EOT_
exit 1
}
function validate_filetype() {
local _input=$1
local _message=$2
count=$(find ./*."$_input" 2>/dev/null | wc -l)
if [ "$count" = 0 ]; then
echo "$_message" 1>&2
exit 1
fi
}
function validate_folder() {
local _foldername=$1
local _message=$2
if [ ! -d "$_foldername" ]; then
echo "$_message" 1>&2
exit 1
fi
return 0
}
# Main
## check options and arguments
if [ $# = 0 ]; then
usage
exit 1
fi
if [ "$OPTIND" = 1 ]; then
while getopts m:i:d:h OPT
do
case $OPT in
m)
readonly MEDIA=$OPTARG
;;
i)
readonly INPUT=$OPTARG
;;
d)
readonly FOLDERNAME=$OPTARG
validate_folder "$FOLDERNAME" "No such folder: '${FOLDERNAME}'"
;;
h)
usage
;;
\?)
echo "Try to enter the h option" 1>&2
;;
esac
done
else
echo "No installed getopts-command" 1>&2
exit 1
fi
shift $((OPTIND - 1))
if [[ -z $MEDIA || -z $INPUT ]]; then
echo "No specify argument(s) of -m option or -i option" 1>&2
exit 1
fi
## main
if [ ! -z "$FOLDERNAME" ]; then
cd "$FOLDERNAME" || exit
fi
validate_filetype "$INPUT" "No files of selected extension"
if [ ! -d "$OUTPUT_FOLDER" ]; then
mkdir "$OUTPUT_FOLDER"
fi
i=0
echo -ne 'Progress '"$i"/"$count"' \r'
for FILE in *."$INPUT"; do
case "$MEDIA" in
audio)
output="m4a"
ffmpeg -loglevel panic -i "$FILE" -c:a aac -q:a 2 -vn "${OUTPUT_FOLDER}/${FILE/%"$INPUT"/m4a}";
;;
video)
output="mkv"
subtitle=${FILE/%"$INPUT"/srt}
if [ -e "$subtitle" ]; then
ffmpeg -hide_banner -loglevel panic -i "$FILE" -f srt -i "$subtitle" -c:v libx265 -preset medium -x265-params crf=26 -c:a aac -strict experimental -b:a 128k -metadata:s:s:0 language=en "${OUTPUT_FOLDER}/${FILE/%"$INPUT"/mkv}"
else
ffmpeg -hide_banner -loglevel panic -i "$FILE" -c:v libx265 -preset medium -x265-params crf=28 -c:a aac -strict experimental -b:a 128k "${OUTPUT_FOLDER}/${FILE/%"$INPUT"/mkv}"
fi
;;
pic-lossy)
output="webp"
cwebp -quiet -q 90 "$FILE" -o "${OUTPUT_FOLDER}/${FILE/%"$INPUT"/$output}"
;;
pic-loss)
output="webp"
cwebp -quiet -lossless "$FILE" -o "${OUTPUT_FOLDER}/${FILE/%"$INPUT"/$output}"
;;
*)
echo "Invalid Media Mode"
;;
esac
((i++))
echo -ne 'Progress '"$i"/"$count"' \r'
if [ "$i" = "$count" ]; then
echo -ne '\n'
fi
done