from Carbon.Sound import *

from Carbon import Snd

import aifc, audioop

fn = 'f:just samples:2ndbeat.aif'

af = aifc.open(fn, 'r')

print af.getparams()

print 'nframes  =', af.getnframes()

print 'nchannels =', af.getnchannels()

print 'framerate =', af.getframerate()

nframes = min(af.getnframes(), 100000)

frames = af.readframes(nframes)

print 'len(frames) =', len(frames)

print repr(frames[:100])

frames = audioop.add(frames, '\x80'*len(frames), 1)

print repr(frames[:100])

import struct

header1 = struct.pack('llhhllbbl',

                      0,

                      af.getnchannels(),

                      af.getframerate(),0,

                      0,

                      0,

                      0xFF,

                      60,

                      nframes)

print repr(header1)

header2 = struct.pack('llhlll', 0, 0, 0, 0, 0, 0)

header3 = struct.pack('hhlll',

                      af.getsampwidth()*8,

                      0,

                      0,

                      0,

                      0)

print repr(header3)

header = header1 + header2 + header3

buffer = header + frames

chan = Snd.SndNewChannel(5,0x00C0)

Snd.SndDoCommand(chan, (bufferCmd, 0, buffer), 0)