Re: [fluid-dev] Status of synth.audio-channels and synth.audio-groups

[jean-jacques.ceresa]

Hi,
May be this will help.
This link is a starting point of discussion.

http://lists.nongnu.org/archive/html/fluid-dev/2015-04/msg00009.html

1)It gives functionnal behaviour of synt.audio-channels settings.
2)audio.jack.multi is discuted also (with a possible minor bug).

3) audio-groups and audio-channels number are used at mixer 
initialization time
to define the maximum output buffer number like this.
  output_buffer_count = max (audio-channels,audio-groups).
May be synth.audio-groups is only useful when one want for the plugin 
effect unit ?.

jjc.

Le 24/04/2016 03:11, Lorenzo Sutton a écrit :
> Hi all,
>
> What is the current status of synth.audio-channels and 
> synth.audio-groups on Linux with jack?
>
> By starting fluidsynth with something like:
>
> fluidsynth -a jack -o synth.audio-channels=4 -o synth.audio-groups=4 \
> -o audio.jack.multi=no
>
> I do get 4 pairs of jack audio outputs.
>
> However the behaviour isn't as expected at least according to this 
> (very old post):
>
> https://lists.nongnu.org/archive/html/fluid-dev/2004-02/msg00027.html
>
> Ideally is there a way to have each channel routed to a separate audio 
> output on jack these days? Any help appreciated.
>
> Lorenzo
>
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