Re: [LAD] Routing signals in mixer (Ardour, Qtractor)

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From: <fons@...>
To: <linux-audio-dev@...>
Date: Monday, July 12, 2010 - 8:47 pm

On Mon, Jul 12, 2010 at 09:30:05PM +0100, Rui Nuno Capela wrote:

> problem is that input buffers are always read before any output signal

This should still work, you should get the output from the
previous cycle. Unless

1. you clear outputs before reading inputs, and
2. Jack is using the same buffer for the feedback input
and the output that connects to it.

(2) is an Jack bug wich I reported at least a year ago.
Don't know if it has been fixed. You can work around it
by connecting a second (silent) output to the feedback
input - this stops Jack sharing the buffer. Or insert
a dummy client as you suggested.

Ciao,

--
Je veux que la mort me trouve plantant mes choux, mais
nonchalant d’elle, et encore plus de mon jardin imparfait.
(Michel de Montaigne)
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Messages in current thread:
[LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 7:49 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Wed Jul 7, 9:32 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Wed Jul 7, 9:50 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Wed Jul 7, 12:55 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Mon Jul 12, 5:26 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Mon Jul 12, 6:27 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Thu Jul 15, 12:22 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Harry Van Haaren, (Thu Jul 15, 5:23 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), James Morris, (Thu Jul 15, 5:32 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Harry Van Haaren, (Thu Jul 15, 5:39 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Thu Jul 15, 5:49 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Fri Jul 23, 11:12 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Rui Nuno Capela, (Mon Jul 12, 8:30 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), , (Mon Jul 12, 8:47 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Rui Nuno Capela, (Mon Jul 12, 10:37 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Mon Jul 12, 8:35 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Thu Jul 15, 12:07 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Mon Jul 12, 3:08 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Mon Jul 12, 12:05 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Thu Jul 15, 11:59 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Rui Nuno Capela, (Wed Jul 7, 1:15 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Rui Nuno Capela, (Wed Jul 7, 6:38 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 6:40 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 6:46 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 6:49 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 7:01 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 5:41 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 5:46 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Wed Jul 7, 2:40 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 8:52 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Natanael Olaiz, (Wed Jul 7, 8:05 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 8:08 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 8:15 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 8:07 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Natanael Olaiz, (Wed Jul 7, 9:06 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 9:12 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Natanael Olaiz, (Wed Jul 7, 9:24 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 9:25 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Natanael Olaiz, (Wed Jul 7, 9:38 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Wed Jul 7, 9:54 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 10:59 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Jeremy Jongepier, (Wed Jul 7, 12:37 pm)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 11:00 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 9:15 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 9:18 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 9:18 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Louigi Verona, (Wed Jul 7, 9:19 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 9:25 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 8:11 am)
Re: [LAD] Routing signals in mixer (Ardour, Qtractor), Ralf Mardorf, (Wed Jul 7, 8:03 am)