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m-default-nodes: reevaluate nodes when ports changed

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Currently, if the default node appears without ports for a short period of time,
the default nodes module will never select it immediately because it does not
listen for port changes. We want to listen for port changes to reevaluate again
the nodes that did not have ports before. This allows switching to the default
node as soon as it has ports if it did not had ports before.
This commit is contained in:
Julian Bouzas 2022-06-16 15:43:22 -04:00 • committed by George Kiagiadakis
parent 04198820f1
commit 76d87813a1
1 changed files with 10 additions and 4 deletions
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14
modules/module-default-nodes.c
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@ -224,10 +224,13 @@ find_best_media_class_node (WpDefaultNodes * self, const gchar *media_class,
for (; wp_iterator_next (it, &val); g_value_unset (&val)) {
WpNode *node = g_value_get_object (&val);
gint n_ports = direction == WP_DIRECTION_INPUT ?
wp_node_get_n_input_ports (node, NULL) :
wp_node_get_n_output_ports (node, NULL);
if (n_ports > 0) {
g_autoptr (WpPort) port = wp_object_manager_lookup (self->rescan_om,
WP_TYPE_PORT, WP_CONSTRAINT_TYPE_PW_PROPERTY, PW_KEY_NODE_ID,
"=u", wp_proxy_get_bound_id (WP_PROXY (node)),
WP_CONSTRAINT_TYPE_PW_PROPERTY, PW_KEY_PORT_DIRECTION,
"=s", direction == WP_DIRECTION_INPUT ? "in" : "out",
NULL);
if (port) {
const gchar *name = wp_pipewire_object_get_property (
WP_PIPEWIRE_OBJECT (node), PW_KEY_NODE_NAME);
const gchar *prio_str = wp_pipewire_object_get_property (
@ -451,10 +454,13 @@ on_metadata_added (WpObjectManager *om, WpMetadata *metadata, gpointer d)
self->rescan_om = wp_object_manager_new ();
wp_object_manager_add_interest (self->rescan_om, WP_TYPE_DEVICE, NULL);
wp_object_manager_add_interest (self->rescan_om, WP_TYPE_NODE, NULL);
wp_object_manager_add_interest (self->rescan_om, WP_TYPE_PORT, NULL);
wp_object_manager_request_object_features (self->rescan_om, WP_TYPE_DEVICE,
WP_OBJECT_FEATURES_ALL);
wp_object_manager_request_object_features (self->rescan_om, WP_TYPE_NODE,
WP_OBJECT_FEATURES_ALL);
wp_object_manager_request_object_features (self->rescan_om, WP_TYPE_PORT,
WP_OBJECT_FEATURES_ALL);
g_signal_connect_object (self->rescan_om, "objects-changed",
G_CALLBACK (schedule_rescan), self, G_CONNECT_SWAPPED);
g_signal_connect_object (self->rescan_om, "object-added",