Re: [fluid-dev] Instrument names, selection etc. through the API

[Nikhil Nair]

Hi again,

Apologies, it looks like I didn't read enough of the documentation.  I've
got a solution by selecting the instrument, then using
fluid_synth_get_channel_info(), and looking at the name element of the info
structure.

I thought I'd now cracked it - until I found that, while this works with
fluid-soundfont-gm, all the names are blanbk when I do the same with
fluid-soundfont-gs.  Do I take it that names are simply missing from that
file?  Presumably I can't just assume that the same names apply to teh
corresponding program number in both...

Cheers,

Nikhil.


On Sun, 3 Aug 2014, Nikhil Nair wrote:

> Hi,
>
> I'm very new to both FluidSynth and MIDI in general, and I'm working out
> how to do the basics (play notes, change instruments etc.).  The playing
> notes part is fine, as it's well described in the documentation as well as
> in the example program that comes with libfluidsynth-dev.
>
> I've installed (on Ubuntu) fluid-soundfont-gm, and have found the SF2 file
> in /usr/share/sounds/sf2/.  I presume I just pass that full pathname to
> fluid_synth_sfload() - that's fine.
>
> When it comes to changing instrument, I presume I use
> fluid_synth_program_change().  However, there seem to be a few facilities
> missing: for instance, is there no way to find out the text name of an
> instrument, given its number - and hence no way to search for an instrument
> with a given name, without first knowing its number?  Even leaving aside
> doing this through the API, there's nothing I can find in the Ubuntu
> package in terms of a list of instrument names.
>
> Do I assume all such SF2 files define all instruments in the range 0-127?
> There doesn't seem to be a function to get the maximum instrument number in
> a bank.  Or do I just assume the call to fluid_synth_program_change() will
> return FLUID_FAILED if that particular instrument number isn't defined?
>
> Am I missing something major here - or even a whole number of things?
>
> Thanks,
>
> Nikhil.
>
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