Thank you for all the answers, that's just what I needed!

Regards,
Bartosz

On Tue, Dec 5, 2017 at 12:56 PM, Ceresa Jean-Jacques <
jean-jacques.cer...@orange.fr> wrote:

> Hello,
>
>
>
> >Is there any way to programmatically detect how many voices a given MIDI
> song, using a given soundfont, needs?
>
>
>
> This patch (for fluidsynth v 1.1.6) is the tool you need:
> https://github.com/FluidSynth/fluidsynth/issues/152 (See
> FluidProfile_0003.zip
> <https://github.com/FluidSynth/fluidsynth/files/1308647/FluidProfile_0003.zip>
> .)
>
> A configure time using cmake,  you must enable the "profiling" option.
> This will add command line interface and the necessary probes inside the
> library code.
>
> Then using the fluidsynth application console, you only need to use the
> "profiling commands" to make your measurements (cpu load, numbers of
> voices, maximum voices
>
> (i.e polyphony) your hardware is capable).
>
> Regards.
>
>
>
> > Message du 04/12/17 17:54
> > De : "Bartosz Nowotny" <bartosznowo...@gmail.com>
> > A : fluid-dev@nongnu.org
> > Copie à :
> > Objet : [fluid-dev] Programmatic polyphony count detection in FluidSynth
>
> >
> >
> Hello,
> >
> >
> I am using FluidSynth on Android. For performance reasons, I am trying to
> keep the synth.polyphony setting as low as possible while retaining good
> sounding audio. I have a number songs and soundfonts. I have set up
> FluidSynth to use 64 simultaneous voices via synth.polyphony and that works
> for most song and soundfont combinations. Nevertheless, some songs clearly
> run out of available voices and do not sound right. Is there any way to
> programmatically detect how many voices a given MIDI song, using a given
> soundfont, needs? I am trying to strike a balance between performance and
> good sounding audio. If I pick too little simultaneous voices then I risk
> some songs not sounding right (or I will have to get rid of them at all),
> if I pick too many simultaneous voices then I risk sound glitching and
> playback problems on lower end devices. Knowing how much voices my songs
> and soundfonts need is the key to getting that balance just right.
> >
> >
> Cheers,
> >
> Bartosz
> >
>
>
>
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