On Thu, 18 Oct 2001, Paul Davis wrote:
> >How do duplex RAWMIDI work? Are they capable of both input and output
> >functions? What is the point of having such a device when the input and
> >output could be opened separately?
>
> does it occur to you that perhaps they can't, for h/w related reasons?
>
> and anyway, which version of ALSA are you using? AFAIK, in 0.9.X, all
> MIDI devices are opened as independent input/output streams.
The 0.9.x API allows to open the RAWMIDI device in duplex mode, too. But
it's a sort of optimization (only one file handle is used inside
kernel and user space) rather than a different feature.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
SuSE Linux http://www.suse.com
ALSA project http://www.alsa-project.org
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