I got the latest alsa-drivers from CVS, compiled and installed
them, and it's still freezing up. I can have the modules loaded
for as long as I like, but it's when I start jack that it seems
to have problems. Most recently, I started qjackctl, it worked
until I started Ardour, at which point qjackctl died. I killed
and restarted jackd, and as soon as I started jackd my computer
froze. Every time it freezes like this, my caps lock and scroll
lock lights blink together. I got the same -11 error message
again, but this time it happened a few minutes before the freeze,
the first time I started jack.
I ran xmms with the alsa output plugin and after a minute or 2
the audio stopped with the message on syslog:
kernel: ALSA usbusx2yaudio.c:211:
usb_submit_urb() returned -11
kernel: usb-uhci.c: uhci_submit_urb: pipesize for pipe f0000 is zero
kernel: ALSA usbusx2yaudio.c:211: usb_submit_urb() returned -90
kernel: usb-uhci.c: uhci_submit_urb: pipesize for pipe f0000 is zero
kernel: ALSA usbusx2yaudio.c:211: usb_submit_urb() returned -90
any ideas on what this means, or other useful tests I could run?
Thanks,
spencer
Hi all,
A new version of libsndfile was released just yesterday. I normally
don't announce new versions here, but this release has one new
feature which requires a bit of a special mention.
With this release, libsndfile now supports the Sound Designer II file
format as used by Apple Macintosh audio programs like Protools and
Digital Performer.
There are a couple of caveats with this format as described here:
http://www.mega-nerd.com/libsndfile/FAQ.html#Q013
I now also have a Gnu Arch (like CVS but better) repository and there
are some very brief instructions for accessing it here:
http://www.mega-nerd.com/libsndfile/development.html
I hope to expand that page in the near future.
Cheers,
Erik
--
+-----------------------------------------------------------+
Erik de Castro Lopo nospam(a)mega-nerd.com (Yes it's valid)
+-----------------------------------------------------------+
I have found that good programmers either do not make the kind
of mistakes that Ada can prevent, or insert enough checks that
they catch those mistakes about as efficiently as an Ada
environment can. At that point, the use of Ada gives no further
productivity advantage.
Mathias Lundgren:
> sön 2004-11-14 klockan 02.21 skrev Ivica Ico Bukvic:
> > > According to the website, LADSPA will not be supported because of UI
> > > issues.
> >
> > While we're talking about LADSPA UI stuff, has there been any progress on
> > this matter? News like this one obviously point to the LADSPA's currently
> > greatest weakness of not endorsing any of the UI's and/or not having a
> > standard one to go by. At this point perhaps I should make a quote from the
> > Half-Life game, "it's time to choose Mr. Freeman..." :-).
> >
>
> MusE also has a framework for creating custom Qt UI:s for LADSPA
> plugins. This means you can create a gui in Qt-designer, f.ex. name it
> 1050.ui (1050 == Freeverb), and put it in MusE's shared plugin
> directory, which is checked on startup. If there's no 1050.ui-file there
> when you launch the Freeverb plugin, it goes for a standard gui,
> otherwise the custom one is initialized.
>
> You simply give all input widgets in the gui, that manipulate a LADSPA
> parameter, a name starting with "P", and set the id-property of the
> widget to the parameter index of the plugin. The connection is done
> automagically and there's no need to recompile the app. In fact, you
> don't even need to write any code yourself to create a custom LADSPA
> gui.
>
This is a great idea, where it should be easy to make a general
library for other hosts (not necesarrily running Qt) making use
of those UI's with the help of some ipc-tricks.
The great question is: Does there exist many ladspa-ui files?
In case there are, the motivation to make such a library is quite high.
Mathias, I have CC this to the dev-list. If you answer, please
only use the dev-list.
--
Hi all
Is any one else having a complete system freeze running
Horgand? My setup p4 - 256 ram - slackware 10 - kernel 2.6.9. -
gcc 3.4.2. There were no compile errors and the app starts up
from within terminal session once it hits the screen my system is
completely dead - no mouse movement, etc - have to reboot.
Regards
Regards
Mark
Mark McBride
0844146809
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or groups.
Greetings:
I've placed on-line a song I wrote and recorded with the help of
Ardour, TiMidity, DOSemu & Seq+, a bunch of LADSPA plugins, a guitar, a
harmonica, and my dulcet-toned vocal. It's here if you'd like to check
it out:
http://linux-sound.org/ardour-songs.html
I'll be adding more pieces to the page Real Soon Now, but at least
it's a beginning... :)
Best,
dp
Hi,
does anyone know whether there are ALSA drivers available for the
Marian UCON CX soundcard?
(for details on the card: see www.marian.de)
the card is quite new, but looks very promising, especially
considering its price.
some Marian salesman told me in May at the AES convention that someone
was working on creating linux drivers.
But as I am getting closer to actually being able to buy the card, I
would like to know whether it works already under linux or not.
sincerely,
Marije
--
I am working on what is called "distributed multimedia interaction", one
purpose of which is to investigate possibilities for ensemble playing
by remote parties, distributing the audio over IP networks.
A crucial point is to achieve audio transmission with very low latency.
If anyone could provide me with information on, or pointers to,
open-source software for doing this, I would be grateful. (I have
started to roll my own, but I can hardly defend duplicating work
unnecessarily.)
Other comments are of course also appreciated.
With kind regards
Asbjørn Sæbø
--
Asbjørn Sæbø, post.doc.
Centre for Quantifiable Quality of Service in Communication Systems
Norwegian University of Science and Technology
<URL: http://www.q2s.ntnu.no/ >
Hi,
--- Ursprüngliche Nachricht ---
> > I would be very interested in any open source development in this
> > direction!
>
> May I ask what your interests are? Are you working at related things?
>
I am interested to use this for Wave Field Synthesis.
In the case of larger systems for that, it is necessary to distribute the
audio over a network, to process it at different computers to supply sets
of speakers with the right signals.
For this a low-latency network is necessary, and sample-synchronisity.
See my website at: http://gigant.kgw.tu-berlin.de/~baalman/
for info on the project I am working on.
sincerely,
Marije