[vlc-commits] [Git][videolan/vlc][master] pipewire: use cubic volume scale as everything else

[Rémi Denis-Courmont (@Courmisch)]

Rémi Denis-Courmont pushed to branch master at VideoLAN / VLC


Commits:
a5827858 by Rémi Denis-Courmont at 2025-10-07T16:50:36+00:00
pipewire: use cubic volume scale as everything else

Fixes #28954.

- - - - -


1 changed file:

- modules/audio_output/pipewire.c


Changes:

=====================================
modules/audio_output/pipewire.c
=====================================
@@ -89,7 +89,8 @@ static void stream_control_info(void *data, uint32_t id,
             for (size_t i = 0; i < control->n_values; i++)
                  vol = fmaxf(vol, control->values[i]);
 
-            aout_VolumeReport(s->aout, vol);
+            /* Cubic root as the reciprocal mapping of set_volume()'s */
+            aout_VolumeReport(s->aout, cbrtf(vol));
             break;
         }
     }
@@ -389,6 +390,7 @@ static void vlc_pw_stream_set_volume(struct vlc_pw_stream *s, float vol)
 {
     const struct pw_stream_control *old;
 
+    vol = vol * vol * vol; /* same cubic mapping as VLC's software volume */
     vlc_pw_lock(s->context);
     old = pw_stream_get_control(s->stream, SPA_PROP_channelVolumes);
     if (old != NULL) {



View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/a58278587e624b775ea875c2d4e605d7a4b5f257

-- 
View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/a58278587e624b775ea875c2d4e605d7a4b5f257
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