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bluez5: iso-io: delay streaming start until all acquires are complete

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For better start synchronization, we should wait until all ISO nodes
that are going to be started finish creating ISO io.

Add a separate ready flag for startup that is set when all Acquire
requests are complete.
This commit is contained in:
Pauli Virtanen 2025-12-21 15:07:16 +02:00 • committed by Wim Taymans
parent 8b36e2d9b7
commit ac3ac3382b
3 changed files with 49 additions and 6 deletions
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27
spa/plugins/bluez5/bluez5-dbus.c
View file

@ -4029,6 +4029,20 @@ static int transport_create_iso_io(struct spa_bt_transport *transport)
return 0;
}
static void transport_check_iso_ready(struct spa_bt_monitor *monitor)
{
struct spa_bt_transport *t;
/* Mark ISO ready after all pending acquires are complete */
spa_list_for_each(t, &monitor->transport_list, link)
if (t->acquire_call)
return;
spa_list_for_each(t, &monitor->transport_list, link)
if (t->iso_io)
spa_bt_iso_io_ready(t->iso_io);
}
static bool transport_in_same_cig(struct spa_bt_transport *transport, struct spa_bt_transport *other)
{
return (other->profile & (SPA_BT_PROFILE_BAP_SINK | SPA_BT_PROFILE_BAP_SOURCE)) &&
@ -4105,8 +4119,8 @@ finish:
* is handled separately.
*/
if ((transport->profile == SPA_BT_PROFILE_BAP_BROADCAST_SINK) ||
(transport->profile == SPA_BT_PROFILE_BAP_BROADCAST_SOURCE))
return;
(transport->profile == SPA_BT_PROFILE_BAP_BROADCAST_SOURCE))
goto exit;
} else {
if (transport_create_iso_io(transport) < 0)
spa_log_error(monitor->log, "transport %p: transport_create_iso_io failed",
@ -4117,9 +4131,9 @@ finish:
*/
/* TODO: handling multiple BIGs support */
if ((transport->profile == SPA_BT_PROFILE_BAP_BROADCAST_SINK) ||
(transport->profile == SPA_BT_PROFILE_BAP_BROADCAST_SOURCE)) {
(transport->profile == SPA_BT_PROFILE_BAP_BROADCAST_SOURCE)) {
spa_bt_transport_set_state(transport, SPA_BT_TRANSPORT_STATE_ACTIVE);
return;
goto exit;
}
if (!transport->bap_initiator)
@ -4166,7 +4180,7 @@ finish:
if (!transport_in_same_cig(transport, t))
continue;
if (t->acquire_call)
return;
goto exit;
}
spa_list_for_each(t, &monitor->transport_list, link) {
if (!transport_in_same_cig(transport, t))
@ -4175,6 +4189,9 @@ finish:
spa_bt_transport_set_state(t, SPA_BT_TRANSPORT_STATE_ACTIVE);
}
}
exit:
transport_check_iso_ready(monitor);
}
static int do_transport_acquire(struct spa_bt_transport *transport)