[LAU] Fluidsynth, soundfonts, jack, and latency

Lee Revell rlrevell at joe-job.com
Sat Nov 7 07:28:13 EST 2009

On Mon, Nov 2, 2009 at 3:03 AM, Guru Prasad B. R. <prasadbrg at gmail.com> wrote:
> Hello everyone,
>  So I've been trying out AVLinux. By the looks of it, quite impressive
> - but I soon ran into a rather serious issue, but I doubt whether it has
> anything to do with AVLinux or not. I need your help in this knowing for
> sure.
> My usual setup involves a piano sample on Linuxsampler and a strings
> soundfont on qsynth. I had an unusual gig last week that required no
> piano sounds, but instead use of multiple layered samples. I therefore
> used only qsynth, with 3 engines running concurrently. So in my brand
> new AVLinux setup, I loaded up my samples, and had sooperlooper running
> 2-3 loops concurrently, all on a core2-duo macbook.

If it only happens when you run more than 1 fluidsynth app at once, a
locking bug in the fluidsynth shared library would explain those
symptoms.  Is it supposed to be thread safe?

Does the problem go away if you leave JACK running but restart all the
fluidsynth apps?


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