I'm trying to figure out the correct way to send control data to the svf plug
following how [plugin~] is supposed to work:
the message is:in the terminal 'analyseplugin' for svf reveals this:
"port <symbol:direction> <symbol:type> <symbol:name> <float:lowerlimit>
<float:upperlimit>"
with <symbol:direction> being either "in" or "out"
with <symbol:type> being "control" or "audio"
with <symbol:name> being the name of the port (e.g. "Amplitude random (%)")
and lower/upperlimit define the valid range of the value.
for controlling, you use "control <symbol:name> <float:value>"
<symbol:name> is not case-sensitive, and it tries to find a simple match.
e.g. "Amplitude random (%)" can be controlled with "amp" or "AMPLItude"
or "Amplitude random (%)".
it will take the first port that matches, so if you have parameters
"FrequencyUpper" and "FrequencyLower", then "freq" will match
"FrequencyUpper", in order to control the other param you have to use at
least "frequencyl"
Plugin Name: "State Variable Filter"
Plugin Label: "svf"
Plugin Unique ID: 1214
Maker: "Steve Harris <steve@plugin.org.uk>"
Copyright: "GPL"
Must Run Real-Time: No
Has activate() Function: Yes
Has deativate() Function: No
Has run_adding() Function: Yes
Environment: Normal or Hard Real-Time
Ports: "Input" input, audio, -1 to 1
"Output" output, audio, -1 to 1
"Filter type (0=none, 1=LP, 2=HP, 3=BP, 4=BR, 5=AP)" input, control, 0 to 5, default 0, integer
"Filter freq" input, control, 0 to 6000, default 440
"Filter Q" input, control, 0 to 1, default 0.25
"Filter resonance" input, control, 0 to 1, default 0
I'm having trouble figuring out what exactly to send the plug
I tried sending 'type' 'filter_type' filtertype' and other combinations for "Filter type" but it doesn't seem to like anything I try
*error: plugin~: plugin doesn't have a control input port named "type"*
ditto on 'Q' and 'resonance' although 'filter' seems to be accepted for "Filter_freq"
can you point me to where in the code I might find out the correct syntax for a particular LADSPA plug?
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