convert mov to gif animation

mov2gif.py

#!/usr/bin/env python

'''
DEPENDENCIES:
$ brew install ffmpeg
$ brew install imagemagick

$ python ./mov2gif.py input.mov output.gif 15
'''

import sys
import os
import tempfile
import shutil
import subprocess

if len(sys.argv) <= 2:
	print 'usage: ', sys.argv[0], '[INPUT_MOV_FILENAME]', '[OUTPUT_GIF_FILENAME]', '[FPS]'
	sys.exit(-1)

assert(os.path.exists(sys.argv[1]))
INPUT_MOV_FILENAME = sys.argv[1]

OUTPUT_GIF_FILENAME = sys.argv[2]

try:
	FPS = int(sys.argv[3])
except Exception, e:
	FPS = 10

temp = tempfile.mkdtemp()

cmd = 'ffmpeg -loglevel quiet -i %(INPUT_MOV_FILENAME)s -r %(FPS)i %(TEMP)s' % {
	"INPUT_MOV_FILENAME": INPUT_MOV_FILENAME,
	"FPS": FPS,
	"TEMP": os.path.join(temp, '%5d.png')
}
subprocess.check_call(cmd, shell=True)

cmd = 'convert -delay 1x%(FPS)i %(TEMP)s %(OUTPUT_GIF_FILENAME)s' % {
	"FPS": FPS,
	"TEMP": os.path.join(temp, '*.png'),
	'OUTPUT_GIF_FILENAME': OUTPUT_GIF_FILENAME
}
subprocess.check_call(cmd, shell=True)

shutil.rmtree(temp)

cmd = 'open -R %(OUTPUT_GIF_FILENAME)s' % {
	"OUTPUT_GIF_FILENAME": OUTPUT_GIF_FILENAME
}
subprocess.check_call(cmd, shell=True)

print 'done'