Re: [fluid-dev] Re: [LAU] fluidsynth-dssi with dssi 1.1.0 distorted/garbled audio output

[David Henningsson]

On 2010-09-27 14:21, Pedro Lopez-Cabanillas wrote:
> On Monday 27 September 2010, Sean Bolton wrote:
> > On Sep 26, 2010, at 5:43 AM, Frank Kober wrote:
> > > has someone already tested fluidsynth-dssi since dssi was updated
> > > to 1.1.0 ?
> > >
> > > I'm getting strongly distorted audio when using fluidsynth-dssi in
> > > any host (tested with ghostess and qtractor) and suspect this to be
> > > related to that dssi update until proven wrong. Strangely, all
> > > other dssi plugins including the updated ones from some days ago
> > > work like a charm, as does fluidsynth played via qsynth.
> >
> > I haven't been able to reproduce the problem. I'm using ghostess
> > 20100923 compiled against DSSI 1.1.0, and both a pre-DSSI-update
> > fluidsynth-dssi.so (using DSSI 1.0.0 and fluidsynth 1.0.8) and post-
> > DSSI-update fluidsynth-dssi.so (using DSSI 1.1.0 and fluidsynth
> > 1.1.2) seem to work fine.
> >
> > > I was wondering if I'm the only one with that problem?
> >
> > Since you're not the only one, let's see what you have in common.
> > Versions? Distros? Did you  compile fluidsynth-dssi after the DSSI
> > upgrade, or are you using a pre-DSSI-upgrade version?
>
> I can confirm the reports by Frank and Orcan, using FS 1.1.2 with any DSSI
> version. The problem doesn't happen here with FS 1.1.1
>
> I suspect this issue may be like a problem with audio-channels>= 2 in
> FluidSynth-1.1.2, ticket #87:
> http://sourceforge.net/apps/trac/fluidsynth/ticket/87
>
> If both problems have indeed the same root cause, looks like the issue is
> related to fluid_synth_nwrite_float() versus fluid_synth_write_float().

Thanks for fixing it, although I assume you need a similar ifdef in the 
lower loop (see r373). As a side note, do you know how to get 
notifications when a new ticket is added?

// David