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-rw-r--r--Mac/Demo/sound/playaiff.py45
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)