#!/bin/bash
# Copyright © 2024 DiffieHellman
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# Return invalid usage if there aren't at least 2 args
[ "$#" -gt 0 ] || exit 2

# $anim is each animation after argv[0]
for anim ; do
	# Convert each animation into a looping apng
	ffmpeg -i "${anim}" -plays 0 "${anim%.*}.apng"
	done