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#ifndef UDO_BUSSING
#define UDO_BUSSING ##
/*
Bus handling
Slim excerpt for Partial Emergence
This file is part of the SONICS UDO collection by Richard Knight 2021
License: GPL-2.0-or-later
http://1bpm.net
*/
gkmastervolume init 1
/*
Get the stereo L and R names for a singular bus name
SnameL, SnameR bus_name Sbus
SnameL left bus identifier
SnameR right bus identifier
Sbus bus name
*/
opcode bus_name, SS, S
Sbus xin
xout sprintf("%sL", Sbus), sprintf("%sR", Sbus)
endop
/*
Read from a stereo bus, but do not clear it
aL, aR bus_tap Sbus
aL left channel
aR right channel
Sbus bus name
*/
opcode bus_tap, aa, S
Sbus xin
SbusL, SbusR bus_name Sbus
aL chnget SbusL
aR chnget SbusR
xout aL, aR
endop
/*
Read from a stereo bus, and then clear the bus
aL, aR bus_read Sbus
aL left channel
aR right channel
Sbus bus name
*/
opcode bus_read, aa, S
Sbus xin
SbusL, SbusR bus_name Sbus
aL chnget SbusL
aR chnget SbusR
chnclear SbusL
chnclear SbusR
xout aL, aR
endop
/*
Set to a stereo bus
bus_set Sbus, aL, aR
Sbus bus name
aL left channel
aR right channel
*/
opcode bus_set, 0, Saa
Sbus, aL, aR xin
SbusL, SbusR bus_name Sbus
chnset aL, SbusL
chnset aR, SbusR
endop
/*
Mix to a stereo bus
bus_mix Sbus, aL, aR
Sbus bus name
aL left channel
aR right channel
*/
opcode bus_mix, 0, Saa
Sbus, aL, aR xin
SbusL, SbusR bus_name Sbus
chnmix aL, SbusL
chnmix aR, SbusR
endop
/*
Mix to master bus
bus_masterout aL, aR
aL left channel
aR right channel
*/
opcode bus_masterout, 0, aa
aL, aR xin
chnmix aL, "mainL"
chnmix aR, "mainR"
endop
instr _mainmixer
aL, aR bus_read "main"
aL = aL*gkmastervolume
aR = aR*gkmastervolume
outs aL, aR
endin
alwayson "_mainmixer"
#end
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