This shouldn't have been here in the first place.

Mac/Lib/audiodev.py

-error = 'audiodev.error'
-
-class Play_Audio_sgi:
-	# Private instance variables
-	access frameratelist, nchannelslist, sampwidthlist, oldparams, \
-		  params, config, inited_outrate, inited_width, \
-		  inited_nchannels, port, converter, classinited: private
-
-	classinited = 0
-	frameratelist = nchannelslist = sampwidthlist = None
-
-	def initclass(self):
-		import AL
-		Play_Audio_sgi.frameratelist = [
-			  (48000, AL.RATE_48000),
-			  (44100, AL.RATE_44100),
-			  (32000, AL.RATE_32000),
-			  (22050, AL.RATE_22050),
-			  (16000, AL.RATE_16000),
-			  (11025, AL.RATE_11025),
-			  ( 8000,  AL.RATE_8000),
-			  ]
-		Play_Audio_sgi.nchannelslist = [
-			  (1, AL.MONO),
-			  (2, AL.STEREO),
-			  ]
-		Play_Audio_sgi.sampwidthlist = [
-			  (1, AL.SAMPLE_8),
-			  (2, AL.SAMPLE_16),
-			  (3, AL.SAMPLE_24),
-			  ]
-		Play_Audio_sgi.classinited = 1
-
-	def __init__(self):
-		import al, AL
-		if not self.classinited:
-			self.initclass()
-		self.oldparams = []
-		self.params = [AL.OUTPUT_RATE, 0]
-		self.config = al.newconfig()
-		self.inited_outrate = 0
-		self.inited_width = 0
-		self.inited_nchannels = 0
-		self.converter = None
-		self.port = None
-		return
-
-	def __del__(self):
-		if self.port:
-			self.stop()
-		if self.oldparams:
-			import al, AL
-			al.setparams(AL.DEFAULT_DEVICE, self.oldparams)
-			self.oldparams = []
-
-	def wait(self):
-		if not self.port:
-			return
-		import time
-		while self.port.getfilled() > 0:
-			time.sleep(0.1)
-		self.stop()
-
-	def stop(self):
-		if self.port:
-			self.port.closeport()
-			self.port = None
-		if self.oldparams:
-			import al, AL
-			al.setparams(AL.DEFAULT_DEVICE, self.oldparams)
-			self.oldparams = []
-
-	def setoutrate(self, rate):
-		for (raw, cooked) in self.frameratelist:
-			if rate == raw:
-				self.params[1] = cooked
-				self.inited_outrate = 1
-				break
-		else:
-			raise error, 'bad output rate'
-
-	def setsampwidth(self, width):
-		for (raw, cooked) in self.sampwidthlist:
-			if width == raw:
-				self.config.setwidth(cooked)
-				self.inited_width = 1
-				break
-		else:
-			if width == 0:
-				import AL
-				self.inited_width = 0
-				self.config.setwidth(AL.SAMPLE_16)
-				self.converter = self.ulaw2lin
-			else:
-				raise error, 'bad sample width'
-
-	def setnchannels(self, nchannels):
-		for (raw, cooked) in self.nchannelslist:
-			if nchannels == raw:
-				self.config.setchannels(cooked)
-				self.inited_nchannels = 1
-				break
-		else:
-			raise error, 'bad # of channels'
-
-	def writeframes(self, data):
-		if not (self.inited_outrate and self.inited_nchannels):
-			raise error, 'params not specified'
-		if not self.port:
-			import al, AL
-			self.port = al.openport('Python', 'w', self.config)
-			self.oldparams = self.params[:]
-			al.getparams(AL.DEFAULT_DEVICE, self.oldparams)
-			al.setparams(AL.DEFAULT_DEVICE, self.params)
-		if self.converter:
-			data = self.converter(data)
-		self.port.writesamps(data)
-
-	def getfilled(self):
-		if self.port:
-			return self.port.getfilled()
-		else:
-			return 0
-
-	def getfillable(self):
-		if self.port:
-			return self.port.getfillable()
-		else:
-			return self.config.getqueuesize()
-
-	# private methods
-	access *: private
-
-	def ulaw2lin(self, data):
-		import audioop
-		return audioop.ulaw2lin(data, 2)
-
-class Play_Audio_sun:
-	access outrate, sampwidth, nchannels, inited_outrate, inited_width, \
-		  inited_nchannels, converter: private
-
-	def __init__(self):
-		self.outrate = 0
-		self.sampwidth = 0
-		self.nchannels = 0
-		self.inited_outrate = 0
-		self.inited_width = 0
-		self.inited_nchannels = 0
-		self.converter = None
-		self.port = None
-		return
-
-	def __del__(self):
-		self.stop()
-
-	def setoutrate(self, rate):
-		self.outrate = rate
-		self.inited_outrate = 1
-
-	def setsampwidth(self, width):
-		self.sampwidth = width
-		self.inited_width = 1
-
-	def setnchannels(self, nchannels):
-		self.nchannels = nchannels
-		self.inited_nchannels = 1
-
-	def writeframes(self, data):
-		if not (self.inited_outrate and self.inited_width and self.inited_nchannels):
-			raise error, 'params not specified'
-		if not self.port:
-			import sunaudiodev, SUNAUDIODEV
-			self.port = sunaudiodev.open('w')
-			info = self.port.getinfo()
-			info.o_sample_rate = self.outrate
-			info.o_channels = self.nchannels
-			if self.sampwidth == 0:
-				info.o_precision = 8
-				self.o_encoding = ENCODING_ULAW
-			else:
-				info.o_precision = 8 * self.sampwidth
-				info.o_encoding = SUNAUDIODEV.ENCODING_LINEAR
-			self.port.setinfo(info)
-		if self.converter:
-			data = self.converter(data)
-		self.port.write(data)
-
-	def wait(self):
-		if not self.port:
-			return
-		self.port.drain()
-		self.stop()
-
-	def stop(self):
-		if self.port:
-			self.port.flush()
-			self.port.close()
-			self.port = None
-
-	def getfilled(self):
-		if self.port:
-			return self.port.obufcount()
-		else:
-			return 0
-
-	def getfillable(self):
-		return BUFFERSIZE - self.getfilled()
-
-def AudioDev():
-	try:
-		import al
-		return Play_Audio_sgi()
-	except ImportError:
-		try:
-			import sunaudiodev
-			return Play_Audio_sun()
-		except ImportError:
-			try:
-				import Audio_mac
-				return Audio_mac.Play_Audio_mac()
-			except ImportError:
-				raise error, 'no audio device'
-
-def test(fn = 'f:just samples:just.aif'):
-	import aifc
-	af = aifc.open(fn, 'r')
-	print fn, af.getparams()
-	p = AudioDev()
-	p.setoutrate(af.getframerate())
-	p.setsampwidth(af.getsampwidth())
-	p.setnchannels(af.getnchannels())
-	BUFSIZ = af.getframerate()/af.getsampwidth()/af.getnchannels()
-	while 1:
-		data = af.readframes(BUFSIZ)
-		if not data: break
-		print len(data)
-		p.writeframes(data)
-	p.wait()
-
-if __name__ == '__main__':
-	test()