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On July 21, 2004 06:35 am, Elias Pschernig wrote:
> On Wed, 2004-07-21 at 13:19 +0200, Evert Glebbeek wrote:
> > On Monday 03 May 2004 15:26, Elias Pschernig wrote:
> > > Following a bug report on allegro.cc:
> > > http://www.allegro.cc/forums/view_thread.php?_id=356681&#target
> > > I made this very small patch. Can't test if it fixes the problem, since
> > > I don't have a working alsamidi, but it looks a lot like it might.
> >
> > Didn't get round to testing this earlier, apparently, but I have now
> > (prompted by Chris' post about the play example). With current CVS, the
> > ALSA driver still tells me that
> >
> > play: rawmidi.c:306: snd_rawmidi_open: Assertion `(inputp || outputp) &&
> > name' failed.
> > Shutting down Allegro due to signal #6
> > Aborted (core dumped)
> >
> > unless I specify a config file. So it looks like some of the default
> > settings simply aren't good enough.
> >
> > I'm assuming here that current CVS includes teh patch you posted, which
> > it looks like it does.
> > I'll dig around the ALSA driver source too.
>
> Yes, it is (I assume you don't have the other messages of this thread
> anymore..).
>
> Anyway, the "default" device should be reasonable:
>
> http://www.alsa-project.org/alsa-doc/alsa-lib/rawmidi.html#rawmidi
>
> You can also use the "virtual" device, but then there won't be sound.
> The question is, why do you get a signal #6. The midi driver simply
> should fail detection. E.g. for me, it is:
>
> ALSA lib rawmidi_hw.c:227:(snd_rawmidi_hw_open) open /dev/snd/midiC0D0
> failed: No such device
> Error initialising sound system
> No supported synth type found
>
> And if I use "virtual" as alsa_rawmidi_device, I get a very silent play
> program.
>
> This reminds me, other ALSA midi programs let me set ports instead of
> devices, e.g. "128:0" means to play the midi over timidity. Can't
> Allegro's midi driver be modified to allow that?
possibly, but I haven't looked into it... It would probably require writing an
ALSA Sequencer client/server api thing. Theres a bit more to that api than
the rawmidi api ;)
> --
> Elias Pschernig
>
--
Thomas Fjellstrom
tfjellstrom@xxxxxxxxxx
http://strangesoft.net