shell bypass 403
UnknownSec Shell
:
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proc
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thread-self
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root
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proc
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self
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root
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proc
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self
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root
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usr
/
lib64
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python2.7
/ [
drwxr-xr-x
]
upload
mass deface
mass delete
console
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name :
audiodev.py
"""Classes for manipulating audio devices (currently only for Sun and SGI)""" from warnings import warnpy3k warnpy3k("the audiodev module has been removed in Python 3.0", stacklevel=2) del warnpy3k __all__ = ["error","AudioDev"] class error(Exception): pass class Play_Audio_sgi: # Private instance variables ## if 0: 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 self.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), ] self.nchannelslist = [ (1, AL.MONO), (2, AL.STEREO), (4, AL.QUADRO), ] self.sampwidthlist = [ (1, AL.SAMPLE_8), (2, AL.SAMPLE_16), (3, AL.SAMPLE_24), ] self.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 ## if 0: access *: private def ulaw2lin(self, data): import audioop return audioop.ulaw2lin(data, 2) class Play_Audio_sun: ## if 0: 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 = SUNAUDIODEV.ENCODING_ULAW # XXX Hack, hack -- leave defaults 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 ## # Nobody remembers what this method does, and it's broken. :-( ## def getfillable(self): ## return BUFFERSIZE - self.getfilled() def AudioDev(): # Dynamically try to import and use a platform specific module. try: import al except ImportError: try: import sunaudiodev return Play_Audio_sun() except ImportError: try: import Audio_mac except ImportError: raise error, 'no audio device' else: return Audio_mac.Play_Audio_mac() else: return Play_Audio_sgi() def test(fn = None): import sys if sys.argv[1:]: fn = sys.argv[1] else: 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()
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