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Merge pull request #62315 from adisbladis/pulseaudio/resample-method

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nixos/pulseaudio: Set speex-float-5 as default resample-method
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adisbladis 2019-06-10 15:05:44 +02:00 committed by GitHub
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7
nixos/doc/manual/release-notes/rl-1909.xml
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@ -229,6 +229,13 @@
<literal>buildRustPackage</literal> may have to be updated as well. <literal>buildRustPackage</literal> may have to be updated as well.
</para> </para>
</listitem> </listitem>
<listitem>
<para>
The default resample-method for PulseAudio has been changed from the upstream default <literal>speex-float-1</literal>
to <literal>speex-float-5</literal>. Be aware that low-powered ARM-based and MIPS-based boards will struggle with this
so you'll need to set <option>hardware.pulseaudio.daemon.config.resample-method</option> back to <literal>speex-float-1</literal>.
</para>
</listitem>
</itemizedlist> </itemizedlist>
</section> </section>
</section> </section>

3
nixos/modules/config/pulseaudio.nix
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@ -245,6 +245,9 @@ in {
# Disable flat volumes to enable relative ones # Disable flat volumes to enable relative ones
hardware.pulseaudio.daemon.config.flat-volumes = mkDefault "no"; hardware.pulseaudio.daemon.config.flat-volumes = mkDefault "no";
# Upstream defaults to speex-float-1 which results in audible artifacts
hardware.pulseaudio.daemon.config.resample-method = mkDefault "speex-float-5";
# Allow PulseAudio to get realtime priority using rtkit. # Allow PulseAudio to get realtime priority using rtkit.
security.rtkit.enable = true; security.rtkit.enable = true;