Faust plugin builder - cv in/out?

Developers
#1

Is CV working in the Faust plugin builder (MOD Cloud Builder)? Control Voltage isn’t listed in the Plugin Category list. Just thought it worth asking since I’m not having much luck getting CV outputs with a signal analysis → CV plugin I’m trying to write. If Faust CV should work, I’ll keep trying. (Any hints are welcome - could it be to do with not having a full Mod gui? None of the “sardine can” CV plugins I’ve tried from the beta store so far work).

#2

hey @flump, I believe that @dreamer can give us a hand and can act as a “truth source” here.

#3

I don’t know anything about Faust though …

But basically these are just audio ports that have some additional information tagged on to them.
We have CV ports in the Heavy compiler DPF/LV2 target that work similarly.

#4

According to @falkTX he believes that it’s possible to make it support, but the support is not yet available (he also told me that you maintain that part @dreamer :slight_smile: )

#5

Thanks for your answers. I found a simple fix. In case it’s useful for anyone, here’s what works for me:

  • build and install the plugin with mod online builder
  • copy the built lv2 from mod device to your computer (pw is mod)…

scp -r root@192.168.51.1:/root/.lv2/your_plugin.lv2 ./

  • generate the mod interface with modsdk
  • edit the generated your_plugin.ttl file to make the cv port visible…
    change the line for your port:
    a lv2:OutputPort, lv2:ControlPort ;
    to:
    a lv2:CVPort, lv2:OutputPort, mod:CVPort ;
  • reinstall the modified plugin…

tar cz your_plugin.lv2 | base64 | curl -F ‘package=@-’ http://192.168.51.1/sdk/install

4 Likes
#6

That’s quite a smart workaround @flump :slight_smile:
Now I’m excited to try what you are “cooking” :wink: