At Mon, 8 Jul 2002 17:41:46 +0200,
Pedro Lopez-Cabanillas wrote:
> 
> El Lun 08 Jul 2002 12:40, Takashi Iwai escribió:
> > At Fri, 5 Jul 2002 19:30:42 +0200,
> > Pedro Lopez-Cabanillas wrote:
> > > with /dev/midi00 ouput goes to ens-1371, /dev/midi01 goes to the first
> > > usb midi device, and /dev/midi02 goes to the second, but both usb devices
> > > have 2 inputs ans 2 outputs. Can I get all my five midi ports work with
> > > oss midi emulation?
> >
> > do you really need to use oss midi devices?
> > as long as you only reading/writing midi byte streams (i.e. no
> > ioctls), you can use simply alsa rawmidi devices, /dev/snd/midiCxDx,
> > instead of /dev/midiXX.
> 
> No, I agree with you. In fact, I don't need the raw midi devices at all, as 
> the sequencer API can do all and more.
> 
> My question was if I made a mistake or I am forgiving something, or if it is a  
> limitation on ALSA OSS emulation. Only trying to deeply test the new  
> snd-usb-midi driver. And for the fun of doing the things in several different 
> ways.
 
ok, point taken.

on OSS emulation, only up to two devices can be assigned per card.
one is assigned to /dev/midiXX and another to /dev/amidiXX.
which device is mapped can be changed via snd_midi_map and
snd_amidi_map options for snd-rawmidi module.
as default, they are specified as 0 and 1, respectively.


> As an example, and only for fun, this is a bash script for cron (hourly, of 
> course) that plays thru raw midi devices without any special program.
 
cool :)


ciao,

Takashi


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