On Monday 24 May 2004 14:35, you wrote:
> Gilles Dégottex wrote:
> > I'm trying to dispatch midi event directly without queue.
> > I did every thing I read in the alsa doc (for
> > me: /usr/share/doc/libalsa2-docs-1.0.2/seq.html)
> >
> > but when I flush the output, I got an error: "Invalid argument"
> > (when calling snd_seq_drain_output)
>
> This may indicate that some of the event's fields have invalid values.
>
> What does your code to initialize the event structure look like?
Here is my code:
snd_seq_event_t ev;
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, g_port);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
ev.type = SND_SEQ_EVENT_NOTE;
ev.flags = SND_SEQ_EVENT_LENGTH_FIXED|SND_SEQ_PRIORITY_NORMAL;
ev.tag = 'a';
ev.data.note.channel = 1;
ev.data.note.note = n;
ev.data.note.velocity = 64;
ev.data.note.off_velocity = 64;
ev.data.note.duration = 1000;
P.S. Thanks for your fast answer ! :)
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