Hi Konrad,
Is this in reference to fedora-jam-audio-config? Honestly, that's not a
bad idea, and we can certainly review that part of the code. However,
quantum and sample rate tends to be very specific about what it allows
(for instance, for the sample rates, 44100 isn't a power-of-two whereas
48000 is). I do agree that the quantum/buffer amounts are power-of-two,
but even those have their upper limit as we don't typically go above
8192 or even use 4096 in most cases.
That said, pull requests are welcome!
Erich
On 1/19/26 12:46 PM, Konrad Kleine wrote:
Hi Erich,
I'm interested in music and Fedora and looked at the packages very
briefly.
Thank you for your time and work!
I saw some bash code that checked for various power of two numbers and
I wondered if the following could help simplify this code a bit:
function is_power_of_2() {
local n=$1
if (( (n & (n - 1)) == 0 )) && (( n > 0 )); then
return 0 # true
else
return 1 # false
fi
}
# Example usage:
NUM=32;
if is_power_of_2 $NUM ; then
echo "$NUM is a power of 2"
else
echo "$NUM is not a power of 2"
fi
I probably won't have the time to look into the code a lot more.
Regards
Konrad
On Sat, Jan 17, 2026 at 1:17 AM Erich Eickmeyer
<[email protected]> wrote:
Hi all,
I'm making an effort to modernize a lot of the audio/music items,
particularly Fedora Jam, to be up-to-date on some of the latest
technologies.
When last I left off with Fedora Jam back in 2021, most of its
capabilities hadn't depended on PipeWire yet and were done using a
combination of PulseAudio and JACK, bridged using a utility called
Studio Controls written by my friend Len Ovens, originally from
Ubuntu
Studio Controls.
Fast-forward 5 years and PipeWire has obsoleted Studio Controls
and any
and all bridging. However, musicians and audio engineers alike still
depend on a few things, including lowering the audio latency. This is
accomplished primarily with a combination of these items:
1) lowering the buffer (quantum)
2) raising the sample rate
3) using certain kernel boot parameters
4) switching the kernel to a low-latency or real-time kernel.
#4 above is moot for Fedora. However, #3 can be accomplished with
a GUI
utility (really some Zenity scripts) I wrote for Ubuntu that I have
forked. It is available here:
https://pagure.io/fedora-jam-audio-configuration
While Fedora Jam Audio Configuration can accomplish #1 and #2, I
found
an extension for GNOME Shell and a widget for KDE Plasma that make #1
and #2 simple to accomplish. They have both been packaged as well.
So, if I could get one or a few people to review the following
packages,
that would be wonderful:
- https://bugzilla.redhat.com/show_bug.cgi?id=2430073
(fedora-jam-audio-config)
- https://bugzilla.redhat.com/show_bug.cgi?id=2430099
(plasma-pipewire-settings)
- https://bugzilla.redhat.com/show_bug.cgi?id=2430546
(gnome-shell-extension-pipewire-settings)
I would normally volunteer to review a package for someone, but I'm
5-years rusty and, as long as these packages are up-to-snuff, then
I'd
be more confident to begin reviewing other packages again. This
is, of
course, unless someone can convince me that my packaging is decent
and
that I shouldn't feel less-than-qualified. :)
Anyhow, thanks for your help in advance! I'm looking forward to being
part of this community again!
Erich
--
Erich Eickmeyer
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