41 lines
1.0 KiB
Python
Executable File
41 lines
1.0 KiB
Python
Executable File
import time
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import al, AL
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import string
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dev = AL.DEFAULT_DEVICE
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parameter_name = [ \
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'input source', 'left input atten', 'right input atten', \
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'input rate', 'output rate', \
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'left speaker gain', 'right speaker gain', \
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'input count', 'output count', 'unused count', \
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'sync input to aes', 'sync output to aes', \
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]
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source_name = ['line', 'microphone', 'digital']
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params = al.queryparams(dev)
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for i in range(1, len(params), 2):
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params[i] = -1
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while 1:
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time.millisleep(100)
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old = params[:]
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al.getparams(dev, params)
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if params <> old:
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for i in range(0, len(params), 2):
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if params[i+1] <> old[i+1]:
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name = parameter_name[params[i]]
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if params[i] == AL.INPUT_SOURCE:
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if 0 <= old[i+1] < len(source_name):
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oldval = source_name[old[i+1]]
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else:
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oldval = ''
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newval = source_name[params[i+1]]
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else:
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oldval = `old[i+1]`
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newval = `params[i+1]`
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print string.ljust(name, 20),
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print '(' + string.rjust(oldval, 10) + ')',
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print '-->',
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print string.rjust(newval, 10)
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print
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