Re: [LAD] [Fwd: Re: No nagging, a serious question]

From: Paul Davis <paul@email-addr-hidden>
Date: Mon Jul 05 2010 - 06:16:07 EEST

On Sun, Jul 4, 2010 at 5:16 PM, Dan Mills <dmills@email-addr-hidden> wrote:
> This sort of issue is what the ALSA midi sequencer is really intended to
> fix, by making midi timing a kernel problem rather then a user space
> one.

the mistake there is that it makes the once-reasonable assumption that
the required timing could only be accomplished in the kernel. this was
once true, but its not anymore.

>It sort of solves HALF the problem, in that it makes getting midi
> messages out on time more or less possible (at least on paper), but it
> does nothing for reliably timestamping incoming midi using a clock that
> can be related simply to the audio sample clock and which would thus be
> useful when building software synths.

IIRC, you can set the clock source on an ALSA sequence queue to be the
clock based on a PCM device.
_______________________________________________
Linux-audio-dev mailing list
Linux-audio-dev@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-dev
Received on Mon Jul 5 08:15:02 2010

This archive was generated by hypermail 2.1.8 : Mon Jul 05 2010 - 08:15:02 EEST