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-rw-r--r--Mac/Lib/Audio_mac.py122
1 files changed, 0 insertions, 122 deletions
diff --git a/Mac/Lib/Audio_mac.py b/Mac/Lib/Audio_mac.py
deleted file mode 100644
index d8b327b..0000000
--- a/Mac/Lib/Audio_mac.py
+++ /dev/null
@@ -1,122 +0,0 @@
-QSIZE = 100000
-error='Audio_mac.error'
-
-class Play_Audio_mac:
-
- def __init__(self, qsize=QSIZE):
- self._chan = None
- self._qsize = qsize
- self._outrate = 22254
- self._sampwidth = 1
- self._nchannels = 1
- self._gc = []
- self._usercallback = None
-
- def __del__(self):
- self.stop()
- self._usercallback = None
-
- def wait(self):
- import time
- while self.getfilled():
- time.sleep(0.1)
- self._chan = None
- self._gc = []
-
- def stop(self, quietNow = 1):
- ##chan = self._chan
- self._chan = None
- ##chan.SndDisposeChannel(1)
- self._gc = []
-
- def setoutrate(self, outrate):
- self._outrate = outrate
-
- def setsampwidth(self, sampwidth):
- self._sampwidth = sampwidth
-
- def setnchannels(self, nchannels):
- self._nchannels = nchannels
-
- def writeframes(self, data):
- import time
- from Carbon.Sound import bufferCmd, callBackCmd, extSH
- import struct
- import MacOS
- if not self._chan:
- from Carbon import Snd
- self._chan = Snd.SndNewChannel(5, 0, self._callback)
- nframes = len(data) / self._nchannels / self._sampwidth
- if len(data) != nframes * self._nchannels * self._sampwidth:
- raise error, 'data is not a whole number of frames'
- while self._gc and \
- self.getfilled() + nframes > \
- self._qsize / self._nchannels / self._sampwidth:
- time.sleep(0.1)
- if self._sampwidth == 1:
- import audioop
- data = audioop.add(data, '\x80'*len(data), 1)
- h1 = struct.pack('llHhllbbl',
- id(data)+MacOS.string_id_to_buffer,
- self._nchannels,
- self._outrate, 0,
- 0,
- 0,
- extSH,
- 60,
- nframes)
- h2 = 22*'\0'
- h3 = struct.pack('hhlll',
- self._sampwidth*8,
- 0,
- 0,
- 0,
- 0)
- header = h1+h2+h3
- self._gc.append((header, data))
- self._chan.SndDoCommand((bufferCmd, 0, header), 0)
- self._chan.SndDoCommand((callBackCmd, 0, 0), 0)
-
- def _callback(self, *args):
- del self._gc[0]
- if self._usercallback:
- self._usercallback()
-
- def setcallback(self, callback):
- self._usercallback = callback
-
- def getfilled(self):
- filled = 0
- for header, data in self._gc:
- filled = filled + len(data)
- return filled / self._nchannels / self._sampwidth
-
- def getfillable(self):
- return (self._qsize / self._nchannels / self._sampwidth) - self.getfilled()
-
- def ulaw2lin(self, data):
- import audioop
- return audioop.ulaw2lin(data, 2)
-
-def test():
- import aifc
- import macfs
- fss, ok = macfs.PromptGetFile("Select an AIFF soundfile", "AIFF")
- if not ok: return
- fn = fss.as_pathname()
- af = aifc.open(fn, 'r')
- print af.getparams()
- p = Play_Audio_mac()
- p.setoutrate(af.getframerate())
- p.setsampwidth(af.getsampwidth())
- p.setnchannels(af.getnchannels())
- BUFSIZ = 10000
- while 1:
- data = af.readframes(BUFSIZ)
- if not data: break
- p.writeframes(data)
- print 'wrote', len(data), 'space', p.getfillable()
- p.wait()
-
-if __name__ == '__main__':
- test()