filter-graph: add set_io functions

Make it possible to set io areas like the clock and latency

spa/include/spa/filter-graph/filter-graph.h

@@ -77,6 +77,8 @@ struct spa_filter_graph_methods {
 	int (*get_props) (void *object, struct spa_pod_builder *b, struct spa_pod **props);
 	int (*set_props) (void *object, enum spa_direction direction, const struct spa_pod *props);
 
+	int (*set_io) (void *object, const char *type, void *data, size_t size);
+
 	int (*activate) (void *object, const struct spa_dict *props);
 	int (*deactivate) (void *object);
 
@@ -114,6 +116,13 @@ SPA_API_FILTER_GRAPH int spa_filter_graph_set_props(struct spa_filter_graph *obj
 			spa_filter_graph, &object->iface, set_props, 0, direction, props);
 }
 
+SPA_API_FILTER_GRAPH int spa_filter_graph_set_io(struct spa_filter_graph *object,
+		const char *type, void *data, size_t size)
+{
+	return spa_api_method_r(int, -ENOTSUP,
+			spa_filter_graph, &object->iface, set_io, 0, type, data, size);
+}
+
 SPA_API_FILTER_GRAPH int spa_filter_graph_activate(struct spa_filter_graph *object, const struct spa_dict *props)
 {
 	return spa_api_method_r(int, -ENOTSUP,

spa/plugins/filter-graph/audio-plugin.h

@@ -67,6 +67,8 @@ struct spa_fga_descriptor {
 
 	void (*cleanup) (void *instance);
 
+	void (*set_io) (void *instance, const char *type, void *data, size_t size);
+
 	void (*connect_port) (void *instance, unsigned long port, void *data);
 	void (*control_changed) (void *instance);
 	void (*control_sync) (void *instance);

spa/plugins/filter-graph/filter-graph.c

@@ -875,6 +875,25 @@ static int impl_set_props(void *object, enum spa_direction direction, const stru
 	return 0;
 }
 
+static int impl_set_io(void *object, const char *type, void *data, size_t size)
+{
+	struct impl *impl = object;
+	struct graph *graph = &impl->graph;
+	struct node *node;
+	uint32_t i;
+
+	spa_list_for_each(node, &graph->node_list, link) {
+		const struct spa_fga_descriptor *d = node->desc->desc;
+		if (d->set_io == NULL)
+			continue;
+		for (i = 0; i < node->n_hndl; i++) {
+			if (node->hndl[i] != NULL)
+				d->set_io(node->hndl[i], type, data, size);
+		}
+	}
+	return 0;
+}
+
 static uint32_t count_array(struct spa_json *json)
 {
 	struct spa_json it = *json;
@@ -1757,9 +1776,7 @@ static int impl_activate(void *object, const struct spa_dict *props)
 
 	/* now activate */
 	spa_list_for_each(node, &graph->node_list, link) {
-		desc = node->desc;
+		d = node->desc->desc;
-		d = desc->desc;
-
 		for (i = 0; i < node->n_hndl; i++) {
 			if (d->activate)
 				d->activate(node->hndl[i]);
@@ -2399,6 +2416,7 @@ static const struct spa_filter_graph_methods impl_filter_graph = {
 	.enum_prop_info = impl_enum_prop_info,
 	.get_props = impl_get_props,
 	.set_props = impl_set_props,
+	.set_io = impl_set_io,
 	.activate = impl_activate,
 	.deactivate = impl_deactivate,
 	.reset = impl_reset,