Re: FluidSynth configuration

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On Fri, Dec 10, 2010 at 4:05 AM, Rodolfo Alcazar Portillo
<nospaze@xxxxxxxxx> wrote:
> On Thu, 2010-12-09 at 14:46 -0800, Jonathan Gardner wrote:
>> I installed FluidSynth and qsynth on my F13 / KDE install. When qsynth
>> comes up, it asked me to do some additional configuration by modifying
>> /etc/security/limits.conf to add:
>>
>>   @audio          -       rtprio          100
>>   @audio          -       nice            -10
>>
>> After I made the changes and restarted it, it then asked me to add
>> myself to the audio group.
>>
>> I'm not sure what I did or why this needs to be done. I'd appreciate a
>> pointer or some better advice.
>>
>> Logging in with my new group showed that qsynth was working, although
>> I have yet to hear any sound from it. I tested with pianobooster,
>> musescore, firefox on a site with MIDI, and a few other MIDI apps I
>> thought would make MIDI sound.
>>
>> (I haven't logged out and back in through X yet. I'd prefer not to
>> have to do so.)
>>
>> Am I doing something wrong? Should I go talk with the FluidSynth guys
>> about my particular situation? Do we need to tweak the fluidsynth RPM?
>> (I'm volunteering to help.)
>
> Jonathan,
>
> Im' not sure about Fedora's right config concerning fluidsynth, but this
> is how I did (still working on F14).
>
> 1. Config some defaults:
> # usermod -a -G audio rodolfoap # requires relogin
> # vi /etc/security/limits.conf
>  ...
>  # End of file
>  @audio          -       rtprio           99
>  @audio          -       nice            -19
>  @audio          -       memlock         1443915
>
> 2. Disable pulseaudio
> $ echo "autospawn = no" > ~/.pulse/client.conf
> $ pulseaudio -k
>
> Then, start qjackctl. Furthermore, you can start qsynth.
> I use BIAB and Finale, so then I start it with wine, config
> the midi port and start playing.
>
> I wish we can find some better and smooth fedora way.
>
> On f13 I needed the planetccrma version of qjackctl, I think, but Im not
> sure, so I installed the repo and updated qjackctl.
>

Thanks for sharing your experience.

I wish I understood better what FluidSynth, PulseAudio, and these
other tools were really doing. I'm going to do some research on these
things.

-- 
Jonathan Gardner
jgardner@xxxxxxxxxxxxxxxxxxx
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