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#!/usr/bin/env bash
####
# FILE NAME: enc2firefox.sh
#
# Encodes (mp4/x264) videos so they can be played in firefox.
#
# Updates:
# 2020-09-05:
# * Removed an eval that made no sense.
# * Added FJ mode for those spicy memes.
#
# 2021-01-13:
# * Fixed up if statments
#
####
__IN_NAME=
__OUT_NAME=
__USE_WEBM=false
__USE_FJ=false
__help () {
echo "enc2firefox.sh -- Make Videos Playable in Firefox"
echo " "
echo "-i <input video file> Input Video File."
echo " "
echo "-o <output video file> Output Video File"
echo " (.mp4 will be added to the end)."
echo " "
echo "-m output webm instead"
echo " (Will change ending to .webm)."
echo " "
echo "-f Use FJ settings. Low bandwith, small size."
echo " (Will append .mp4 to the end)."
echo " "
exit
}
__enc_mp4 () {
ffmpeg -i "$__IN_NAME"\
-c:v libx264\
-preset slower\
-crf 22\
-pix_fmt yuv420p\
-c:a aac\
-b:a 128k\
"$__OUT_NAME".mp4
}
__enc_fj () {
ffmpeg -i "$__IN_NAME"\
-c:v libx264\
-preset slower\
-pix_fmt yuv420p\
-b:v 1024k\
-s hd720\
-r 30\
-c:a aac\
-b:a 128k\
"$__OUT_NAME".mp4
}
__enc_webm () {
ffmpeg -i "$__IN_NAME"\
-c:v libvpx-vp9\
-b:v 0\
-crf 20\
-c:a libopus\
"$__OUT_NAME".webm
}
__parse_args() {
if [[ -z "$1" ]]
then
echo "Try --help or -h."
exit 1
fi
while [[ $# -gt 0 ]]
do
case "${1}" in
-i)
__IN_NAME="$2"
shift
shift
;;
-o)
__OUT_NAME="$2"
shift
shift
;;
-m)
__USE_WEBM=true
shift
;;
-f)
__USE_FJ=true
shift
;;
-h|--help)
__help
shift
;;
*)
__help
exit 1
shift
;;
--)
shift
break
;;
esac
done
}
__main () {
if [[ ! -e "$__IN_NAME" ]]
then
echo "missing input audio. Please provide."
exit 1
fi
if [[ $__OUT_NAME == "" ]]
then
echo "missing output file name. Please provide."
exit 1
fi
if [[ $__USE_WEBM == true ]]
then
if [[ $__IN_NAME == $__OUT_NAME.webm ]]
then
echo "Filenames can't be the same."
exit
fi
__enc_webm
elif [[ $__USE_FJ == true ]]
then
if [[ $__IN_NAME == $__OUT_NAME.mp4 ]]
then
echo "Filenames can't be the same."
exit
fi
__enc_fj
else
if [[ $__IN_NAME == $__OUT_NAME.mp4 ]]
then
echo "Filenames can't be the same."
exit
fi
__enc_mp4
fi
}
__parse_args "${@}"
__main
|