gmkmpeg
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	#!/usr/bin/env python
	'''
	Make mpeg movie from a directory containing .ppm images

	mer oct 25 15:40:17 CEST 2006
	'''


	import os
	import sys
	import glob
	from optparse import OptionParser


	def parse_options():

	usage = "usage: %prog [options] file"
	parser = OptionParser(usage=usage)



	parser.add_option("--directory",
	action="store",
	dest="directory",
	type="string",
	default = "./tmp",
	help="directory",
	metavar=" STRING")

	parser.add_option("-o",
	action="store",
	dest="fout",
	type="string",
	default = None,
	help="output file",
	metavar=" FILE")


	(options, args) = parser.parse_args()



	files = args

	return files,options


	#############################
	# main
	#############################


	# get options
	files,options = parse_options()

	#inputfile = options.inputfile
	fout = options.fout
	directory = options.directory


	files = glob.glob('%s/*.ppm'%(directory))
	files.sort()
	n = len(files)-1


	# new version from Benoit

	line = """
	PATTERN IBBPBBPBBPBB
	IQSCALE 4
	PQSCALE 5
	BQSCALE 12
	SLICES_PER_FRAME 1
	PIXEL FULL
	OUTPUT %s
	INPUT_DIR ./%s
	INPUT
	*.ppm [%000005d-%000005d]
	END_INPUT
	BASE_FILE_FORMAT PPM
	INPUT_CONVERT *
	GOP_SIZE 1
	RANGE 1
	PSEARCH_ALG EXHAUSTIVE
	BSEARCH_ALG CROSS2
	REFERENCE_FRAME DECODED
	"""%(fout,directory,1,n)



	f = open('param.mpg','w')
	f.write(line)
	f.close()

	os.system('ppmtompeg param.mpg')

	#os.remove('param.mpg')
	#for file in listim:
	# os.remove(file)

	#os.rmdir('tmp')