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)