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bluez5: Configure sync_factor

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For a BAP Broadcast Source endpoint, the QoS sync_factor enables the user
to adjust the Periodic Advertising interval based on the ISO interval
configured for the stream:

PA_Interval = sync_factor * ISO_Interval

Currently, this value is hardcoded to 2. This commit makes the sync_factor
configurable in the Wireplumber config file, along with the other config
parameters for BIGs.
This commit is contained in:
Iulia Tanasescu 2024-12-13 13:50:41 +02:00 • committed by Wim Taymans
parent 85fa0aae40
commit cb000ad3dc
1 changed files with 11 additions and 3 deletions
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14
spa/plugins/bluez5/bluez5-dbus.c
View file

@ -180,6 +180,7 @@ struct spa_bt_big {
int presentation_delay;
struct spa_list bis_list;
int big_id;
int sync_factor;
};
/*
@ -5378,8 +5379,6 @@ static void configure_bis(struct spa_bt_monitor *monitor,
int options = 0;
int skip = 0;
int sync_cte_type = 0;
/* sync_factor should be >=2 to avoid invalid extended advertising interval value */
int sync_factor = 2;
int sync_timeout = 2000;
int timeout = 2000;
@ -5432,7 +5431,12 @@ static void configure_bis(struct spa_bt_monitor *monitor,
append_basic_variant_dict_entry(&qos_dict, "BIG", DBUS_TYPE_BYTE, "y", &big->big_id);
append_basic_variant_dict_entry(&qos_dict, "BIS", DBUS_TYPE_BYTE, "y", &bis_id);
append_basic_variant_dict_entry(&qos_dict, "SyncFactor", DBUS_TYPE_BYTE, "y", &sync_factor);
/* sync_factor should be >=2 to avoid invalid extended advertising interval value */
if (big->sync_factor < 2)
big->sync_factor = 2;
append_basic_variant_dict_entry(&qos_dict, "SyncFactor", DBUS_TYPE_BYTE, "y", &big->sync_factor);
append_basic_variant_dict_entry(&qos_dict, "Options", DBUS_TYPE_BYTE, "y", &options);
append_basic_variant_dict_entry(&qos_dict, "Skip", DBUS_TYPE_UINT16, "q", &skip);
append_basic_variant_dict_entry(&qos_dict, "SyncTimeout", DBUS_TYPE_UINT16, "q", &sync_timeout);
@ -6247,6 +6251,10 @@ static void parse_broadcast_source_config(struct spa_bt_monitor *monitor, const
if (spa_json_get_bool(&it[0], &big_entry->encryption) <= 0)
goto parse_failed;
spa_log_debug(monitor->log, "big_entry->encryption %d", big_entry->encryption);
} else if (spa_streq(key, "sync_factor")) {
if (spa_json_get_int(&it[0], &big_entry->sync_factor) <= 0)
goto parse_failed;
spa_log_debug(monitor->log, "big_entry->sync_factor %d", big_entry->sync_factor);
} else if (spa_streq(key, "bis")) {
if (spa_json_enter_array(&it[0], &it_array[1]) <= 0)
goto parse_failed;