FAST_THUMBS_GEN

#!/bin/bash
umask 177
ThumbMTime=$(stat -c "%Y" "$1")
if ! [[ -f "$2" ]] || [[ $ThumbMTime -gt $(gm identify -verbose "$2" | awk '/Thumb::MTime/ {print $2}') ]]; then
    ffmpegthumbnailer -t 50% -c png -i "$1" -o "$2" 2>/dev/null 1>/dev/null
    if [[ $? -gt 0 ]]; then
        rm "$2"
        failedname="$HOME/.thumbnails/fail/$(basename "$2")"
        gm convert -size 128x96 +profile "*" -set Thumb::URI "file://$1" \
            -set Thumb::MTime $ThumbMTime xc:black "${failedname}"
#       touch -c -m -r "$1" "${failedname}"
    else
        gm convert -set Thumb::URI "file://$1" -set Thumb::MTime $ThumbMTime "$2" "$2"
#       touch -c -m -r "$1" "$2"
    fi
fi
exit 0