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acp: add min and max volume properties

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This way, the min/max volume can be updated and saved in the same way as
the volume is updated.

Also add support for this in audioconvert channelmix.
This commit is contained in:
Wim Taymans 2026-06-08 16:23:10 +02:00
parent fb74ab9054
commit 1a534cd907
6 changed files with 71 additions and 0 deletions
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16
spa/plugins/audioconvert/audioconvert.c
View file

@ -905,6 +905,8 @@ static int node_param_props(struct impl *this, uint32_t id, uint32_t index,
SPA_TYPE_Float,
p->monitor.n_volumes,
p->monitor.volumes),
SPA_PROP_volumeMin, SPA_POD_Float(p->min_volume),
SPA_PROP_volumeMax, SPA_POD_Float(p->max_volume),
0);
spa_pod_builder_prop(b, SPA_PROP_params, 0);
spa_pod_builder_push_struct(b, &f[1]);
@ -1867,6 +1869,20 @@ static int apply_props(struct impl *this, const struct spa_pod *param)
changed++;
}
break;
case SPA_PROP_volumeMin:
if (!p->lock_volumes &&
spa_pod_get_float(&prop->value, &p->min_volume) == 0) {
spa_log_debug(this->log, "%p new min-volume %f", this, p->min_volume);
changed++;
}
break;
case SPA_PROP_volumeMax:
if (!p->lock_volumes &&
spa_pod_get_float(&prop->value, &p->max_volume) == 0) {
spa_log_debug(this->log, "%p new max-volume %f", this, p->min_volume);
changed++;
}
break;
case SPA_PROP_rate:
if (spa_pod_get_double(&prop->value, &p->rate) == 0 &&
!this->rate_adjust && p->rate != 1.0) {