Linuxsampler and Internal FX

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Linuxsampler and Internal FX

Postby fullbackup » Fri Jun 09, 2017 2:30 am

Hi, I'm using linuxsampler without a GUI talking directly to the server trough port 8888. Until now I can add devices, setup channels, load samples, assign midi channels too, everything plays beautiful but I can't make effects to work.

So I created an FX send on the channel:
CREATE FX_SEND 0 0 'fxname'
Then:
CREATE EFFECT_INSTANCE 43
ADD SEND_EFFECT_CHAIN 0
APPEND SEND_EFFECT_CHAIN EFFECT 0 0 0

I get OK with no errors but there's no differences on the sound, tried to modify send value with:
SET FX_SEND LEVEL 0 0 1
Also did
SET FX_SEND EFFECT 0 0 0 0 but nothing

Also modified parameters on the effect with SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
and nothing changed..

I just want a list of commands in order, so I can get effects working, lets say at Device 0, Midi 16, Linuxsampler Channel 0, Effect Index 43

Thank you in advance!!
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Re: Linuxsampler and Internal FX

Postby cuse » Mon Jul 17, 2017 2:38 pm

That's probably because you just created FX send channels so far. You need however also to load some effect.

When the sampler is launched, make sure you see this:

Code: Select all
Registered internal effect systems: LADSPA

Because right now the sampler will only load LADSPA effect plugins yet.

Then check what kind of LADSPA effects the sampler found and are available with

Code: Select all
LIST AVAILABLE_EFFECTS

and

Code: Select all
GET EFFECT INFO <id>

Then create the effect with

Code: Select all
CREATE EFFECT_INSTANCE

and finally route the respective FX send channels to the respective effect.

See also http://www.linuxsampler.org/api/draft-linuxsampler-protocol.html#effects
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