[LAD] [ANN] Qtractor 0.4.7 - The Furious Desertrix is out!

Rui Nuno Capela rncbc at rncbc.org
Mon Oct 4 15:56:01 UTC 2010

On 10/04/2010 01:22 AM, Niels Mayer wrote:
> On Sun, Oct 3, 2010 at 10:56 AM, Rui Nuno Capela <rncbc at rncbc.org> wrote:
>> On 10/03/2010 08:43 AM, Niels Mayer wrote:
>>> http://nielsmayer.com/meego/qtractor-dialogs-meego.png
>>> http://nielsmayer.com/meego/qtractor-meego.png
>> ...
>> please, try another qt theme just for piece of mind, for instance (my
>> all-time preferred one)  qtractor -style plastique
> Yes, this is exactly what I was looking for -- a simple way to switch
> to a more reasonable-looking style.
> Is there a way to set this style in ~/.config/rncbc.org/Qtractor.conf
> , or a global variable I can set to effect this change for certain
> programs without affecting "stock meego" apps? I ended up modifying
> /usr/local/share/applications/qtractor.desktop to get this style on a
> system-wide basis:
> Exec=/usr/local/bin/qtractor -style plastique.

there's the global setting by use of qtconfig but maybe that's not what
you want, 'coz that will affect _all_ qt4 apps

> Some of the strange effects I was seeing prior -- such as forcing all
> application level windows launched from qtractor/qjackctl to a
> different meego screen -- stopped happening once I setup smaller
> fonts, or perhaps after enabling "Keep child windows always on top" in
> options.
> Here's the new screenshots, playing something that causes xruns in
> ZynAddSubFx due to too much MIDI happening, and a too-complex voice.
> Something I recorded on the desktop and played back on the netbook
> just to see if it could keep up. Picking a simpler voice still gives
> Xruns but it's mostly inaudible:
> http://nielsmayer.com/meego/qtractor-plastique-style-meego.png
> http://nielsmayer.com/meego/qtractor-dialogs-plastique-style-meego.png
> (seems like the easy solution for doing audio on meego is to wait for
> Fedora 14, which will support the Meego desktop and Netbooks as a
> "default configuration" (
> http://www.networkworld.com/community/blog/fedora-14-beta-released-today-aimed-tablet-op
> ) and on which I'd expect the upcoming F14 PlanetCCRMA realtime kernel
> will run and allow this underpowered platform to perform synthesis
> reliably (?). Note that there's no such problems if I stick to just
> MIDI via USB-connected MIDI converters talking to old-fashioned MIDI
> synths and samplers; Regarding Audio Xruns in Jack, I haven't checked
> to see whether a external USB audio interface has better or worse
> performance, compared to onboard "Intel" sound w/ Realtek ALC272
> codec...)

afaict, zynaddsubfx's jack implementation is infamously prone to xruns
or so i've been told, so maybe there's no big chance in improving the
situation by changing audio interfaces

rncbc aka Rui Nuno Capela
rncbc at rncbc.org

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