A Dimecres 10 Desembre 2003 12:44, Patrick Shirkey va escriure:
> David Garcia Garzon wrote:
> > (Context: Keep doing with the sequencer chapter of the Alsa user
> > conceptual model, an spanish documentation to be translated soon, at:
> > http://www.salleurl.edu/~is04069/Modders/Docs/alsadoc-sequencer.html)
>
> Nice work. I have added a link to the docs page. Let us know if you need
> it hosted permanently.

Thanks a lot. :-) Notice that the link i wrote was only the sequencer chapter, 
the full document to link at is:
http://www.salleurl.edu/~is04069/Modders/Docs/alsadoc.html
But, most chapters are not as complete as sequencer chapter :-( i'll keep 
working on them.

Back to the question. Anybody knows about the usefulness of sequencer port 
types?
The API docs specifies that values:
<quote>
Each port has also the type bitmasks defined as follows:
SND_SEQ_PORT_TYPE_SPECIFIC Hardware specific port
SND_SEQ_PORT_TYPE_MIDI_GENERIC Generic MIDI device
SND_SEQ_PORT_TYPE_MIDI_GM General MIDI compatible device
SND_SEQ_PORT_TYPE_MIDI_GS GS compatible device
SND_SEQ_PORT_TYPE_MIDI_XG XG compatible device
SND_SEQ_PORT_TYPE_MIDI_MT32 MT-32 compatible device
SND_SEQ_PORT_TYPE_SYNTH Synth device
SND_SEQ_PORT_TYPE_DIRECT_SAMPLE Sampling device (supporting download)
SND_SEQ_PORT_TYPE_SAMPLE Sampling device (sample can be downloaded at any 
time)
SND_SEQ_PORT_TYPE_APPLICATION Application (sequencer/editor)
A port may contain specific midi channels, midi voices and synth voices. These 
values could be zero as default.
</quote>

But which are the implications of setting up a port with such flags?
- Are they merely informative?
- Will Alsa coerce or enhance the port usage depending on that type?
- Can the user see that information in any way?


-- 
David García Garzón <[EMAIL PROTECTED]>
Phone: 034 93 542 21 99
Music Technology Group, Institut Universitari de l'Audiovisual
Universitat Pompeu Fabra



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