make a simplistic multi-frame animation with Python + ffmpeg

imagemagick-gif.sh

#!/bin/bash

convert -loop 0 -delay 30 -resize 683x512\! *.png out.gif

make_movie.py

#!/usr/bin/env python

import sys, glob, shutil
import logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)


arg = sys.argv[1]
logger.info('locating files matching "{}*"'.format(arg))
files = glob.glob('{}*.png'.format(arg))
logger.info('\t{}'.format(files))

PATTERN = "img%03d.png"

for i in xrange(100):
    src = files[i % len(files)]
    dest = PATTERN % i
    logger.info("copying {} to {}".format(src, dest))
    shutil.copyfile(src, dest)

logger.info("ffmpeg -framerate 10 -i image%03d.png -s:v 1280x720 -c:v libx264 -profile:v high -crf 20 -pix_fmt yuv420p out.mp4")

http://hamelot.io/visualization/using-ffmpeg-to-convert-a-set-of-images-into-a-video/

for GIF: https://www.imagemagick.org/discourse-server/viewtopic.php?t=29830#p134228

https://github.com/kyamagu/psd-tools2
https://github.com/psd-tools/psd-tools