gistfile1.sh

#/bin/bash
echo "Converts an MP3 file and a JPG file into a YouTube-ready MP4 file."
echo "usage: jpegmp3mp4.sh <mp3> <jpg> [mp4 dir] [resize & convert to jpeg]"
if [[ -z "$3" ]] || [[ "$3" == "False" ]]; then
    OUTFILE=$(echo "$1"|sed -e s/.mp3//|sed -e s/.ogg//|sed -e s/.flac//|sed -e s/.wav//)".mp4"
else
    OUTFILE="$3/"$(basename "$(echo "$1"|sed -e s/.mp3//|sed -e s/.ogg//|sed -e s/.flac//|sed -e s/.wav//)")".mp4"
fi
if [[ "$4" == "False" ]] || [[ "$3" == "False" ]]; then
    image=$2
else
    convert -resize 1920x1080 "$2" "$PWD/jpgmp3mp4tmp.jpg"
    image="$PWD/jpgmp3mp4tmp.jpg"
    echo $4
fi
ffmpeg -i "$1" -f image2 -loop 1 -i "$image" -r 24 -c:v libx264 -crf 18 -tune stillimage -c:a aac -strict -2 -b:a 192k -shortest "$OUTFILE"
rm "$PWD/jpgmp3mp4tmp.jpg"