Re: [LAU] transform midi Control Change 7 into velocity events?

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To: <linux-audio-user@...>
Date: Saturday, November 22, 2008 - 12:28 pm

Dominic Sacré a écrit :

Unfortunatly it doesn't matter. I've tried different options and the
results are the same. For information, after a loop session in Rsgd,
when i quit (Ctrl-C) mididings i get this message:

/home/phil/python/mididings-CC7-to-velocity.py
^Cpython: /usr/include/boost/shared_ptr.hpp:315: T*
boost::shared_ptr::operator->() const [with T = Backend]: Assertion
`px != 0' failed.
Abandon

I'm on Gentoo with pro-audio. Rosegarden 1.7.0. But all is done with my
"testing" computer and the onboard soundcard.

Otherwise with two sequencers, the console is clean.

>> The raw outcome is in attach.

No, of course. It's a testing file, with some "deliberately holes" just
to study the results. The CC7 are created by the dynamics in Lilypond.
There are 11 levels: from pppp (veloc = 43) to sf (veloc = 127). And
you can even reconfigure the equivalences if you want.
If you are needed i'll put on my site the Merengue's sources. If you
don't know Lilypond you can always look at the pdf.

>> 1) You could see a little latency in the attacks.

Yes. And i've tried the recording in reverse order: Muse -> Rg. The
results are completely different. But i'm not sure it's a valuable
information. Perhaps i must check out my rtc configuration before.

> I can reproduce this latency, and it appears to depend on my JACK buffer

In the next days i'll install mididings on my other computer with a
Multiface and i'll try again.

> If you can get recording in Rg to work this won't be an issue.

Yes. It's not an issue for The Drummer's Free Art.

>

All the best.

--
Phil.
Superbonus-Project (Site principal)

Superbonus-Project (Plate-forme d'échange):

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Messages in current thread:
[LAU] transform midi Control Change 7 into velocity events?, Philippe Hezaine, (Thu Nov 20, 2:09 pm)
Re: [LAU] transform midi Control Change 7 into velocity even..., Philippe Hezaine, (Thu Nov 20, 10:44 pm)
Re: [LAU] transform midi Control Change 7 into velocity even..., Philippe Hezaine, (Fri Nov 21, 12:22 pm)
Re: [LAU] transform midi Control Change 7 into velocity even..., Philippe Hezaine, (Sat Nov 22, 12:28 pm)
Re: [LAU] transform midi Control Change 7 into velocity even..., Philippe Hezaine, (Mon Nov 24, 11:31 pm)