faustctl

faustctl — Adjusts a given control in a Faust DSP instance.

Description

Plugin opcode in faustcsound. This opcode is part of the plugin repository and has to be installed separately. The plugin repository can be found here: https://github.com/csound/plugins

Faustctl will set a given control in a running faust program

Syntax

faustctl idsp,Scontrol,kval 

Initialization

Scontrol -- a string containing the control name

idsp -- a handle to an existing Faust DSP instance

Performance

kval -- value to which the control will be set.

Examples

Here is an example of the faustctl opcode. Play faustctl.csd

Example 290. Example of the faustctl opcode.

See the sections Real-time Audio and Command Line Flags for more information on using command line flags.

<CsoundSynthesizer>
<CsOptions>
-odac
</CsOptions>
<CsInstruments>
instr 1
 ain1 oscili 0dbfs/2, 440
 idsp,a1 faustgen {{
   gain = hslider("vol",1,0,1,0.01);
   process = (_ * gain); 
  }}, ain1
 k1 line  0, p3, 1
 faustctl idsp, "vol", k1
   out a1
endin
</CsInstruments>
<CsScore>
i1 0 10
</CsScore>
</CsoundSynthesizer>


Credits

Author: Victor Lazzarini, 2013