#!/bin/sh

# creates images with thumbnails as a preview of video contents.
# it generates an image for each given file path or all files in given directory paths.
# depends on ffmpeg and https://gitlab.com/movie_thumbnailer/mtn
# usage: output_directory video_path ...

rows=8
columns=8
gap=0
width=1800
edge_detection_strength=8
skip=0
background=ffffff
font=/usr/share/fonts/TTF/DejaVuSansMono.ttf
no_timestamps=-t
full_name=-X

mkdir -p $1 &&
mtn -q -g $gap -c $columns -r $rows -w $width \
  -D $edge_detection_strength -E $skip -i -k $background \
  -f $font $full_name $no_timestamps -O "$@"