[Python]Conversione audio

[The_ouroboros]

#! /usr/bin/env python
import sys, os
from subprocess import Popen

# Mp3 ==> Wav
file_in = raw_input("Mp3 file:")
cmd1 = "mpg321 -q -w in.wav " + file_in

retcode = Popen(cmd1, shell=True).wait()
if retcode != 0:
    print 'Mp3 ==> Wav failed.'

# Wav ==> Ogg
# ==>
opt = raw_input("1)Quality Mode" +
				"2)Bitrate mode\n")

if opt == 1:
	quality = raw_input("Select quality \n\n 1)Low \n\n 3)Normal " +
						"\n\n 5)Higth\n")
	cmd2 = "oggenc -q " + quality + " in.wav"
	retcode = Popen(cmd2, shell=True).wait()
	if retcode != 0:
		print 'Wav ==> Ogg failed.'
elif opt == 2:
	min_br = raw_input("Select minimum bitrate:")
	max_br = raw_input("Select maximum bitrate:")
	cmd2 = "oggenc -m " + min_br +" -M " + max_br + " in.wav"
	retcode = Popen(cmd2, shell=True).wait()
	if retcode != 0:
		print 'Wav ==> Ogg failed.'

Arrivati alla linea con il ==>, il programma termina senza nessun errore.... why??

Tnks

[The_ouroboros]

risolto:

#! /usr/bin/env python
#
# Convert an mp3 file into ogg(by quality or bitrare)
# (c) The_Ouroboros 2007
#
import sys, os
from subprocess import Popen

# Mp3 ==> Wav
file_in = raw_input("1]Mp3 file: ")
cmd1 = "mpg321 -q -w in.wav " + file_in

retcode = Popen(cmd1, shell=True).wait()
if retcode != 0:
    print 'Mp3 ==> Wav failed.'

# Wav ==> Ogg
opt = raw_input("2]Select encoding mode \n\n "+
                "1)Quality Mode\n" +
				"2)Bitrate mode\n")

if opt == "1":
	quality = raw_input("2]Select quality \n\n 1)Low \n 3)Normal " +
						"\n 5)Higth\n")
	cmd2 = "oggenc -q " + quality + " in.wav"
	retcode = Popen(cmd2, shell=True).wait()
	if retcode != 0:
		print 'Wav ==> Ogg failed.'
elif opt == "2":
	min_br = raw_input("*Select minimum bitrate:")
	max_br = raw_input("*Select maximum bitrate:")
	cmd2 = "oggenc -m " + min_br +" -M " + max_br + " in.wav"
	retcode = Popen(cmd2, shell=True).wait()
	if retcode != 0:
		print 'Wav ==> Ogg failed.'
# Delete temp
cmd3 = "rm in.wav"
retcode = Popen(cmd3, shell=True).wait()
if retcode != 0:
    print "rm temp wav failed."