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Diffstat (limited to 'Mac/Demo/sound/playaiff.py')
-rw-r--r-- | Mac/Demo/sound/playaiff.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Mac/Demo/sound/playaiff.py b/Mac/Demo/sound/playaiff.py new file mode 100644 index 0000000..1022fc8 --- /dev/null +++ b/Mac/Demo/sound/playaiff.py @@ -0,0 +1,45 @@ +from Sound import * +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) |