Re: [LAD] CV data protocol in apps.

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To: <linux-audio-dev@...>
Date: Saturday, February 20, 2010 - 6:30 am

On Fri, Feb 19, 2010 at 01:48:24PM +0100, Fons Adriaensen wrote:

good point. ok. so this still leaves us with the problem of the phase
relation in case of non-power of 2 period sizes.
(i am not sure if this patch slipped into jack1 accidentally or on
purpose, but the alsa driver doesnt enforce power of 2 anymore)

but that kind of thing can be fixed easily.
jack_nframes_t jack_cv_get_phase( jack_client_t *client );

i am basically more in favour of timestamped events.
but your argumentation in this thread is pretty convincing.
and timestamped events come with a galore of other problems,
which i think are harder to tackle in a jack context.

- multiple interpolation schemes
- how to get the current value when port is connected, and didnt see an
event yet.

so what do people think ?
shall we just add CV port type ?
(this would sort of rule out timestamped control events, since there
should be only one control port type)

>

not if the period is not a power of 2 :(
but maybe we should just go back to enforcing that again.

>

thanks for explanation :)

--
torben Hohn
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Messages in current thread:
[LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 9:54 am)
Re: [LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 11:19 am)
Re: [LAD] CV data protocol in apps., Jörn Nettingsmeier, (Thu Feb 18, 11:38 am)
Re: [LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 12:15 pm)
Re: [LAD] CV data protocol in apps., torbenh, (Thu Feb 18, 11:33 am)
Re: [LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 11:47 am)
Re: [LAD] CV data protocol in apps., torbenh, (Thu Feb 18, 11:26 am)
Re: [LAD] CV data protocol in apps., Jörn Nettingsmeier, (Thu Feb 18, 10:13 am)
Re: [LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 10:32 am)
Re: [LAD] CV data protocol in apps., Julien 'Lta' BALLET, (Thu Feb 18, 10:30 am)
Re: [LAD] CV data protocol in apps., , (Thu Feb 18, 4:36 pm)
Re: [LAD] CV data protocol in apps., Paul Davis, (Thu Feb 18, 4:43 pm)
Re: [LAD] CV data protocol in apps., , (Thu Feb 18, 5:14 pm)
Re: [LAD] CV data protocol in apps., torbenh, (Fri Feb 19, 2:50 am)
Re: [LAD] CV data protocol in apps., Fons Adriaensen, (Fri Feb 19, 12:50 pm)
Re: [LAD] CV data protocol in apps., torbenh, (Sat Feb 20, 6:30 am)
Re: [LAD] CV data protocol in apps., , (Sat Feb 20, 12:27 pm)
Re: [LAD] CV data protocol in apps., Paul Davis, (Sat Feb 20, 12:46 pm)
Re: [LAD] CV data protocol in apps., alex stone, (Fri Feb 19, 1:05 pm)
Re: [LAD] CV data protocol in apps., Fons Adriaensen, (Fri Feb 19, 1:44 pm)
Re: [LAD] CV data protocol in apps., nescivi, (Sat Mar 6, 5:10 pm)
Re: [LAD] CV data protocol in apps., torbenh, (Sat Feb 20, 5:14 am)
Re: [LAD] CV data protocol in apps., alex stone, (Fri Feb 19, 1:20 pm)
Re: [LAD] CV data protocol in apps., Fons Adriaensen, (Fri Feb 19, 1:48 pm)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 2:15 pm)
Re: [LAD] CV data protocol in apps., Fons Adriaensen, (Fri Feb 19, 2:53 pm)
Re: [LAD] CV data protocol in apps., alex stone, (Fri Feb 19, 1:31 pm)
Re: [LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 5:32 pm)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 2:00 pm)
Re: [LAD] CV data protocol in apps., Fons Adriaensen, (Fri Feb 19, 2:32 pm)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 2:56 pm)
Re: [LAD] CV data protocol in apps., Fons Adriaensen, (Fri Feb 19, 3:31 pm)
Re: [LAD] CV data protocol in apps., Nick Copeland, (Sat Feb 20, 12:20 am)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 4:30 pm)
Re: [LAD] CV data protocol in apps., Paul Davis, (Fri Feb 19, 4:41 pm)
Re: [LAD] CV data protocol in apps., Jörn Nettingsmeier, (Fri Feb 19, 6:34 pm)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 7:44 pm)
Re: [LAD] CV data protocol in apps., , (Fri Feb 19, 8:59 pm)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 9:01 pm)
Re: [LAD] CV data protocol in apps., , (Fri Feb 19, 9:07 pm)
Re: [LAD] CV data protocol in apps., Simon Jenkins, (Fri Feb 19, 9:39 pm)
Re: [LAD] CV data protocol in apps., , (Fri Feb 19, 10:15 pm)
Re: [LAD] CV data protocol in apps., alex stone, (Fri Feb 19, 9:09 pm)
Re: [LAD] CV data protocol in apps., , (Fri Feb 19, 5:34 pm)
Re: [LAD] CV data protocol in apps., Paul Davis, (Fri Feb 19, 5:39 pm)
Re: [LAD] CV data protocol in apps., , (Fri Feb 19, 6:29 pm)
Re: [LAD] CV data protocol in apps., Paul Davis, (Thu Feb 18, 5:38 pm)
Re: [LAD] CV data protocol in apps., Julien 'Lta' BALLET, (Thu Feb 18, 7:34 pm)
Re: [LAD] CV data protocol in apps., torbenh, (Thu Feb 18, 10:52 am)
Re: [LAD] CV data protocol in apps., alex stone, (Thu Feb 18, 10:39 am)
Re: [LAD] CV data protocol in apps., Nick Copeland, (Thu Feb 18, 1:40 pm)