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bluez5: support BAP hardware volume on device sets

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Enable hardware volume for device sets, when all devices in the set
support HW volume.
This commit is contained in:
Pauli Virtanen 2025-01-25 17:08:40 +02:00 • committed by Wim Taymans
parent 34ac0d8256
commit de0f54c324
1 changed files with 37 additions and 0 deletions
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37
spa/plugins/bluez5/bluez5-device.c
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@ -2555,6 +2555,41 @@ static int impl_enum_params(void *object, int seq,
return 0;
}
static void device_set_update_volumes(struct node *node)
{
struct impl *impl = node->impl;
struct device_set *dset = &impl->device_set;
float hw_volume = node_get_hw_volume(node);
bool sink = (node->id == DEVICE_ID_SINK_SET);
struct device_set_member *members = sink ? dset->sink : dset->source;
uint32_t n_members = sink ? dset->sinks : dset->sources;
uint32_t i;
/* Check if all sub-devices have HW volume */
if ((sink && !dset->sink_enabled) || (!sink && !dset->source_enabled))
goto soft_volume;
for (i = 0; i < n_members; ++i) {
struct spa_bt_transport *t = members[i].transport;
struct spa_bt_transport_volume *t_volume = t ? &t->volumes[members[i].id] : NULL;
if (!t_volume || !t_volume->active)
goto soft_volume;
}
node_update_soft_volumes(node, hw_volume);
for (i = 0; i < n_members; ++i)
spa_bt_transport_set_volume(members[i].transport, members[i].id, hw_volume);
return;
soft_volume:
/* Soft volume fallback */
for (i = 0; i < n_members; ++i)
spa_bt_transport_set_volume(members[i].transport, members[i].id, 1.0f);
node_update_soft_volumes(node, 1.0f);
return;
}
static int node_set_volume(struct impl *this, struct node *node, float volumes[], uint32_t n_volumes)
{
uint32_t i;
@ -2582,6 +2617,8 @@ static int node_set_volume(struct impl *this, struct node *node, float volumes[]
node_update_soft_volumes(node, hw_volume);
spa_bt_transport_set_volume(node->transport, node->id, hw_volume);
} else if (node->id == DEVICE_ID_SOURCE_SET || node->id == DEVICE_ID_SINK_SET) {
device_set_update_volumes(node);
} else {
float boost = get_soft_volume_boost(node);
for (uint32_t i = 0; i < node->n_channels; ++i)