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)
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)
