mkmpeg.py
61668ba8ebf3master

mkmpeg.py
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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')