[alsa-devel] MIDI support for hda-intel

[Takashi Iwai]

At Sun, 24 Oct 2010 19:37:51 -0400,
Nick Lloyd wrote:
> 
> On Sun, Oct 24, 2010 at 6:34 AM, Takashi Iwai <tiwai at suse.de> wrote:
> > At Sat, 23 Oct 2010 13:10:35 -0400,
> > Nick Lloyd wrote:
> >>
> >> Hi, quick question for the list.  Has MIDI support been implemented
> >> for the hda-intel codec, specifically the sigmatel codec.  I tried
> >> playing a MIDI file the other day, and could see the levels bouncing
> >> around, but no sound whatsoever.  Basically, does the driver not
> >> support it, or am I doing something wrong?
> >
> > The HD-audio doesn't support the MIDI playback in hardware.
> > Everything is software rendering.
> >
> >
> > Takashi
> >
> 
> Thanks Takashi.  So to clarify, the HDA driver supports MIDI, but not
> through the hardware?

No and no.  It's no job of a driver but a user-space application
who renders the MIDI data to PCM.

>  So if I play a MIDI file, it should in fact
> work?

Use an application (or a sound subsystem) supporting software
MIDI rendering.  fluidsynth, timidity, whatever.


Takashi