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authorJack Jansen <jack.jansen@cwi.nl>2003-04-09 13:25:43 (GMT)
committerJack Jansen <jack.jansen@cwi.nl>2003-04-09 13:25:43 (GMT)
commit0ae3220736f9b71820b01aee1f540d0afcceb9a6 (patch)
tree6015b689b7555940e0c0822b1896fff3ee39cb23 /Lib/plat-mac/Audio_mac.py
parent058a84f36ae62dc69f4cb2a07d038e10a617fffc (diff)
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Detabbed.
Diffstat (limited to 'Lib/plat-mac/Audio_mac.py')
-rw-r--r--Lib/plat-mac/Audio_mac.py202
1 files changed, 101 insertions, 101 deletions
diff --git a/Lib/plat-mac/Audio_mac.py b/Lib/plat-mac/Audio_mac.py
index bf99787..5350e55 100644
--- a/Lib/plat-mac/Audio_mac.py
+++ b/Lib/plat-mac/Audio_mac.py
@@ -3,119 +3,119 @@ 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 __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 __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 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 stop(self, quietNow = 1):
+ ##chan = self._chan
+ self._chan = None
+ ##chan.SndDisposeChannel(1)
+ self._gc = []
- def setoutrate(self, outrate):
- self._outrate = outrate
+ def setoutrate(self, outrate):
+ self._outrate = outrate
- def setsampwidth(self, sampwidth):
- self._sampwidth = sampwidth
+ def setsampwidth(self, sampwidth):
+ self._sampwidth = sampwidth
- def setnchannels(self, nchannels):
- self._nchannels = nchannels
+ 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 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 _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 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 getfillable(self):
+ return (self._qsize / self._nchannels / self._sampwidth) - self.getfilled()
- def ulaw2lin(self, data):
- import audioop
- return audioop.ulaw2lin(data, 2)
+ def ulaw2lin(self, data):
+ import audioop
+ return audioop.ulaw2lin(data, 2)
def test():
- import aifc
- import EasyDialogs
- fn = EasyDialogs.AskFileForOpen(message="Select an AIFF soundfile", typeList=("AIFF",))
- if not fn: return
- 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()
+ import aifc
+ import EasyDialogs
+ fn = EasyDialogs.AskFileForOpen(message="Select an AIFF soundfile", typeList=("AIFF",))
+ if not fn: return
+ 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()
+ test()