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#!/usr/bin/python
import sys
if len(sys.argv)!=3 :
print >> sys.stderr, "Usage: %s <layout_file> <order>"%sys.argv[0]
print >> sys.stderr, """
Generates a network for a Hoa decoder from a given order
of ambisonics to a given regular speaker layout.
Each row of the layout file contains the elevation
and azimuth in degrees of each speaker separated by spaces.
Lines with # as the first character are ignored as comments.
"""
sys.exit()
layoutFileName = sys.argv[1]
order = sys.argv[2]
if order not in '0123':
print >> sys.stderr, "Order",order,"is not supported. It must be either 0, 1, 2 or 3."
sys.exit(-1)
order=int(order)
channels="".join(['W','XYZ','RSTUV','KLMNOPQ'][0:order+1])
speakers = [ label for label in [" ".join(line.split()[2:]) for line in open(layoutFileName).readlines() if line[0]!='#' ] if label ]
nSpeakers = len(speakers)
print >> sys.stderr, "Speakers:", nSpeakers
print """<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<network clamVersion="1.3.1" id="Unnamed">
"""
for speaker, label in enumerate(speakers) :
print """
<processing id="%s" position="%i,%i" size="128,111" type="AudioSink"/>""" % (
"%02i"%(speaker+1), 600+64*(speaker%6), 80+(speaker%6)*6+(speaker//6)*95 )
# speaker+1, label, 600+64*(speaker%6), 80+(speaker%6)*6+(speaker//6)*95 )
for i, channel in enumerate(channels) :
print """
<processing id="%i %s in" position="%i,%i" size="128,108" type="AudioSource"/>\
""" % (i+1, channel, 10, 10+i*110)
print """\
<processing id="Hoa2RegularSpeakerArray" position="257,290" size="128,270" type="Hoa2RegularSpeakerArray">
<Order>%(order)i</Order>
<SpeakerLayout>%(layoutFile)s</SpeakerLayout>
<IgnoreLabels>1</IgnoreLabels>
</processing>
""" % dict(order=order, layoutFile=layoutFileName)
for i, channel in enumerate(channels) :
print """\
<port_connection>
<out>%i %s in.1</out>
<in>Hoa2RegularSpeakerArray.%s</in>
</port_connection>
""" % (i+1, channel, channel)
for speaker, label in enumerate(speakers) :
print """\
<port_connection>
<out>Hoa2RegularSpeakerArray.%(speakerName)s</out>
<in>%(speakerName)s.1</in>
</port_connection>
""" % dict(
# speakerNumber=speaker+1,
speakerName="%02i"%(speaker+1), #label,
)
print """
</network>
"""
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