AT620用 リングトーンファイルジェネレータ

ringGen.py

#!/usr/bin/python
# encoding: utf-8

import sys
import os
import struct
import sunau
import wave
from StringIO import StringIO

def GenHeaderForAT620(size):
    prefix = '+<_>)<(>*<&>^<%>$<#>@<!>~<`>|<{>}>[,].winline'
    postfix= '_PHONE_RING1001'
    return ''.join([prefix, struct.pack('>l', size), postfix])

def ConvertFile(fpath_inp, fpath_out):
    print fpath_inp , '->', fpath_out
    fpath, ext = os.path.splitext(fpath_inp)
    if ext.lower() in ['.au']:
        wave_inp = sunau.open(fpath_inp)
    else:
        wave_inp = wave.open(fpath_inp)
    buff = StringIO()
    wav_out = sunau.open(buff, 'w')
    wav_out.setnchannels(wave_inp.getnchannels())
    wav_out.setsampwidth(wave_inp.getsampwidth())
    wav_out.setframerate(wave_inp.getframerate())
    wav_out.setcomptype('ULAW', 'CCITT G.711 u-law')
    wav_out.writeframes(wave_inp.readframes(wave_inp.getnframes()))
    wav_out.close()
    fp = open(fpath_out, 'wb')
    fp.write(GenHeaderForAT620(buff.len))
    fp.write(buff.getvalue())
    fp.close()

if __name__=='__main__':
    argv = sys.argv[1:]
    ConvertFile(*argv[:2])