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fix(audio): cap pipewire-alsa client latency on Linux (#862) (#990)

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* fix(audio): cap pipewire-alsa client latency on Linux (#862)

On some Linux setups the pipewire-alsa bridge negotiates a multi-second
output buffer, so play/pause/seek/volume only take effect once it drains
(~10-20 s). cpal's buffer-size clamp is ignored by those bridges. Set
PIPEWIRE_LATENCY=256/48000 before the audio stream opens to cap the client
node latency — the reporter confirmed this makes the controls instant.
Linux-only, no-op without PipeWire, and a user-set value is left untouched.

* docs: changelog for pipewire latency fix (#990)
This commit is contained in:
Frank Stellmacher
2026-06-04 21:56:15 +02:00
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parent ca502ad833
commit ec2bee1400
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CHANGELOG.md
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@@ -988,6 +988,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
* **Show remaining time** no longer reticks the seekbar width every second — fixed-width playbar clocks stop `WaveformSeek` resize/redraw jitter; clocks sit tighter against the waveform with an inline duration toggle icon.
### Linux — instant play/pause/seek/volume on PipeWire
**By [@Psychotoxical](https://github.com/Psychotoxical), reported by PHLAK, PR [#990](https://github.com/Psychotoxical/psysonic/pull/990)**
* On some PipeWire setups, play, pause, seek and volume changes only took effect after a long delay (10+ seconds). Root cause: the PipeWire ALSA bridge negotiated a multi-second audio buffer, so changes were only heard once it drained. Psysonic now caps that buffer, so the controls respond immediately.
## [1.46.0] - 2026-05-18
> **🙏 Special thanks to [@zz5zz](https://github.com/zz5zz)** for his tireless quirk-spotting and bug reports on the [Psysonic Discord](https://discord.gg/AMnDRErm4u) — several of the polish fixes in this release landed directly off the back of his messages.