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wwmm / easyeffects

Limiter, compressor, convolver, equalizer and auto volume and many other plugins for PipeWire applications
GNU General Public License v3.0
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Pulse Effects Legacy crackles every 50 seconds #3165

Open LinuxBeaver opened 4 weeks ago

LinuxBeaver commented 4 weeks ago

EasyEffects Version

PulseEffects4.8.7

What package are you using?

Other (specify below)

Distribution

Fedora 38

Describe the bug

I am on Fedora 38 using source compiled Pulse Effects as well as the Flatpak counterpart - both 4.87. They work but every 50 seconds or so a stutter happens. It does not happen if Pulse Effects is disabled and the only LPS component I use is the Equalizer I tried increasing the niceness to -19. Any idea how to fix this, maybe an emergency patch - my machine has trouble with pipewire too but that is unrelated.

Expected Behavior

No crackle every 50 seconds

Debug Log

No response

Additional Information

No response

LinuxBeaver commented 4 weeks ago

Also I tried compiling versions of Pulse Effects before 4.8.6 and it compiles but doesn't launch it complains about this https://github.com/wwmm/easyeffects/issues/1468 . 4.8.6 has the same problem as 4.8.7 btw

wwmm commented 3 weeks ago

They work but every 50 seconds or so a stutter happens

How are you configuring the equalizer? Is it in a mode different from IIR that adds high latency? Maybe the crackle is related to some plugin internal buffer being recreated and using IIR mode will make this less noticeable as its latency is smaller.

Any idea how to fix this, maybe an emergency patch - my machine has trouble with pipewire too but that is unrelated.

Another possibility is that some change in Pulseaudio is causing this. But the problem will be debugging it. I do not use Pulseaudio anymore in any of my computers.

LinuxBeaver commented 3 weeks ago

In default PulseEffects Equalizer uses IRR mode and the stutter happens even if LPS plugins are disabled and the package for LPS plugins is removed. It is likely Pulse Audio updated and it may also have to do with my sound card uniquely.

wwmm commented 3 weeks ago

In default PulseEffects Equalizer uses IRR mode and the stutter happens even if LPS plugins are disabled and the package for LPS plugins is removed. It is likely Pulse Audio updated and it may also have to do with my sound card uniquely.

Without plugins in the pipeline PulseEffects will be in passthrough mode. This shouldn't introduce crackling. So Some change in Pulseaudio or the soundcard drivers seems the most reasonable explanation indeed.

LinuxBeaver commented 3 weeks ago

How can I find what sound card drivers Fedora 38 has?

wwmm commented 3 weeks ago

How can I find what sound card drivers Fedora 38 has?

The driver is in the kernel. Try to see if you have other kernels packages in your distribution repositories. In some cases changing the kernel version may help to fix crackling.