On Fri, 5 Sep 2025 14:30:11 -0400
Thomas Frohwein <tfrohwein@fastmail.com> wrote:

> On Thu, 28 Aug 2025 23:13:39 +1000
> Jonathan Gray <jsg@jsg.id.au> wrote:
> 
> > On Wed, Aug 27, 2025 at 06:51:39AM -0400, Thomas Frohwein wrote:  
> > > On Wed, 27 Aug 2025 00:00:28 +1000
> > > Jonathan Gray <jsg@jsg.id.au> wrote:
> > >     
> > > > On Tue, Aug 26, 2025 at 09:16:36AM -0400, Thomas Frohwein
> > > > wrote:    
> > > > > On Mon, 11 Aug 2025 10:54:25 -0400
> > > > > Thomas Frohwein <tfrohwein@fastmail.com> wrote:
> > > > >       
> > > > > > Hello ports@,
> > > > > > 
> > > > > > This is a new port for munt which provides a library mt32emu
> > > > > > that can emulate high-quality synthesizers like Roland
> > > > > > MT-32, CM-32L, LAPC-I. This library can be enabled by
> > > > > > dosbox-staging with the attached diff (it's actually
> > > > > > enabled by default; had to disable it without the munt
> > > > > > port) to use this emulated audio device. It's also picked
> > > > > > up by games/exult, which is why I'm including a diff here.
> > > > > > 
> > > > > > For audio to work, ROMs from the synthesizers are needed to
> > > > > > produce the sounds. dosbox-staging has some detailed info
> > > > > > about those [1] and how to enable MT-32 MIDI. The address
> > > > > > for the device has been 330 when software asks for it. I
> > > > > > tested this successfully with a few games in dosbox-staging
> > > > > > (Tie Fighter, Realms of Arkania: Blade of Destiny, and
> > > > > > Jagged Alliance). The instructions for Ultima VII via
> > > > > > games/exult are here [2].
> > > > > > 
> > > > > > The port also includes (GUI) applications to work more with
> > > > > > these emulated synthesizers for those with an interest in
> > > > > > making MIDI music.
> > > > > > 
> > > > > > I've checked several other games/emulators that cover that
> > > > > > era of MIDI music to see if they pick up libmt32emu (dosbox,
> > > > > > dosbox-x, scummvm, sdlpop, shockolate), but that's not the
> > > > > > case. We might need to be on the lookout if anything else
> > > > > > from that era picks it up.      
> > > > 
> > > > A more general way would be to use the sndio midi interface like
> > > > fluidsynth does.  Then you could use scummvm's support for sndio
> > > > midi. Which is the same way you'd connect to a real MT-32.    
> > > 
> > > scummvm actually includes mt32emu from munt for MT-32 emulation.
> > > The files are in scummvm under audio/softsynth/mt32/. The way to
> > > make use of the MT-32/CM32L ROMs is described at [1] (it works by
> > > the way).
> > > 
> > > munt would basically be the way to make this available to other
> > > ports via a shared library. I'm not sure if fluidsynth or sndio
> > > midi would know what to do with the MT-32 ROMs without the mt32emu
> > > layer.    
> > 
> > I meant something like the alsa midi support munt seems to have,
> > but for sndio.
> > 
> > Not a requirement but would be nice to have.  
> 
> *ping*
> 
> Still looking for an ok. This would improve/complete the
> dosbox-staging port. Re-attached for convenience.

ping.

Still looking for ok; to help with high-quality MIDI/MT-32 emulation
for several ports.

• munt.tgz (3K)