mirror of https://github.com/python/cpython.git
52 lines
985 B
Python
52 lines
985 B
Python
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# Play old style sound files (Guido's private format)
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import al, sys, time
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import AL
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BUFSIZE = 8000
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def main():
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if len(sys.argv) < 2:
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f = sys.stdin
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filename = sys.argv[0]
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else:
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if len(sys.argv) <> 2:
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sys.stderr.write('usage: ' + \
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sys.argv[0] + ' filename\n')
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sys.exit(2)
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filename = sys.argv[1]
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f = open(filename, 'r')
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#
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magic = f.read(4)
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extra = ''
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if magic = '0008':
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rate = 8000
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elif magic = '0016':
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rate = 16000
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elif magic = '0032':
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rate = 32000
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else:
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sys.stderr.write('no magic header; assuming 8k samples/sec.\n')
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rate = 8000
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extra = magic
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#
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pv = [AL.OUTPUT_RATE, rate]
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al.setparams(AL.DEFAULT_DEVICE, pv)
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c = al.newconfig()
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c.setchannels(AL.MONO)
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c.setwidth(AL.SAMPLE_8)
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port = al.openport(filename, 'w', c)
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if extra:
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port.writesamps(extra)
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while 1:
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buf = f.read(BUFSIZE)
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if not buf: break
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port.writesamps(buf)
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while port.getfilled() > 0:
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time.millisleep(100)
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try:
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main()
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except KeyboardInterrupt:
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sys.exit(1)
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