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-rw-r--r--lilv/lilv.h12
-rw-r--r--src/lilv_internal.h2
-rw-r--r--src/plugin.c15
-rw-r--r--src/world.c4
-rw-r--r--test/lilv_test.c6
-rw-r--r--utils/lv2info.c10
6 files changed, 32 insertions, 17 deletions
diff --git a/lilv/lilv.h b/lilv/lilv.h
index fb9a7d9..6e0a392 100644
--- a/lilv/lilv.h
+++ b/lilv/lilv.h
@@ -899,14 +899,16 @@ lilv_plugin_get_port_by_symbol(const LilvPlugin* plugin,
const LilvNode* symbol);
/**
- Get a port on @c plugin by the lv2:relation it represents.
- If the plugin has multiple ports with the same relation (which it should
- not), the one with the lowest index will be returned.
+ Get a port on @c plugin by the parameter it represents.
+ If found, the port with matching @a port_class and @a parameter is be
+ returned, otherwise NULL is returned. The @a port_class can be used to
+ distinguish the input and output ports for a parameter.
*/
LILV_API
LilvPort*
-lilv_plugin_get_port_by_relation(const LilvPlugin* plugin,
- const LilvNode* relation);
+lilv_plugin_get_port_by_parameter(const LilvPlugin* plugin,
+ const LilvNode* port_class,
+ const LilvNode* parameter);
/**
Get the full name of the plugin's author.
diff --git a/src/lilv_internal.h b/src/lilv_internal.h
index a6d53f7..f292d2a 100644
--- a/src/lilv_internal.h
+++ b/src/lilv_internal.h
@@ -150,11 +150,11 @@ struct LilvWorldImpl {
SordNode* lv2_Plugin;
SordNode* lv2_port;
SordNode* lv2_portProperty;
- SordNode* lv2_relation;
SordNode* lv2_reportsLatency;
SordNode* lv2_requiredFeature;
SordNode* lv2_Specification;
SordNode* lv2_symbol;
+ SordNode* lv2_isParameter;
SordNode* pset_value;
SordNode* rdf_a;
SordNode* rdf_value;
diff --git a/src/plugin.c b/src/plugin.c
index df113a0..fb396df 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -611,19 +611,22 @@ lilv_plugin_get_port_by_property(const LilvPlugin* plugin,
LILV_API
LilvPort*
-lilv_plugin_get_port_by_relation(const LilvPlugin* plugin,
- const LilvNode* relation)
+lilv_plugin_get_port_by_parameter(const LilvPlugin* plugin,
+ const LilvNode* port_class,
+ const LilvNode* parameter)
{
+ LilvWorld* world = plugin->world;
lilv_plugin_load_ports_if_necessary(plugin);
for (uint32_t i = 0; i < plugin->num_ports; ++i) {
LilvPort* port = plugin->ports[i];
SordIter* iter = lilv_world_query_internal(
- plugin->world,
+ world,
port->node,
- plugin->world->uris.lv2_relation,
- relation->val.uri_val);
+ world->uris.lv2_isParameter,
+ parameter->val.uri_val);
- const bool found = !lilv_matches_end(iter);
+ const bool found = !lilv_matches_end(iter) &&
+ lilv_port_is_a(plugin, port, port_class);
lilv_match_end(iter);
if (found) {
diff --git a/src/world.c b/src/world.c
index 198a02a..0dc8dee 100644
--- a/src/world.c
+++ b/src/world.c
@@ -45,7 +45,7 @@ lilv_world_new(void)
#define NS_DYNMAN "http://lv2plug.in/ns/ext/dynmanifest#"
#define NS_PSET "http://lv2plug.in/ns/ext/presets#"
-#define NEW_URI(uri) sord_new_uri(world->world, (const uint8_t*)uri)
+#define NEW_URI(uri) sord_new_uri(world->world, (const uint8_t*)uri)
world->uris.dc_replaces = NEW_URI(NS_DCTERMS "replaces");
world->uris.doap_name = NEW_URI(LILV_NS_DOAP "name");
@@ -62,11 +62,11 @@ lilv_world_new(void)
world->uris.lv2_Plugin = NEW_URI(LILV_NS_LV2 "Plugin");
world->uris.lv2_port = NEW_URI(LILV_NS_LV2 "port");
world->uris.lv2_portProperty = NEW_URI(LILV_NS_LV2 "portProperty");
- world->uris.lv2_relation = NEW_URI(LILV_NS_LV2 "relation");
world->uris.lv2_reportsLatency = NEW_URI(LILV_NS_LV2 "reportsLatency");
world->uris.lv2_requiredFeature = NEW_URI(LILV_NS_LV2 "requiredFeature");
world->uris.lv2_Specification = NEW_URI(LILV_NS_LV2 "Specification");
world->uris.lv2_symbol = NEW_URI(LILV_NS_LV2 "symbol");
+ world->uris.lv2_isParameter = NEW_URI(LILV_NS_LV2 "isParameter");
world->uris.pset_value = NEW_URI(NS_PSET "value");
world->uris.rdf_a = NEW_URI(LILV_NS_RDF "type");
world->uris.rdf_value = NEW_URI(LILV_NS_RDF "value");
diff --git a/test/lilv_test.c b/test/lilv_test.c
index b73d9e6..7b9c175 100644
--- a/test/lilv_test.c
+++ b/test/lilv_test.c
@@ -545,7 +545,7 @@ test_plugin(void)
" a lv2:ControlPort ; a lv2:OutputPort ; "
" lv2:index 2 ; lv2:symbol \"latency\" ; lv2:name \"Latency\" ; "
" lv2:portProperty lv2:reportsLatency ; "
- " lv2:relation lv2:latency "
+ " lv2:isParameter lv2:latency "
"] . \n"
":thing doap:name \"Something else\" .\n"))
return 0;
@@ -615,8 +615,8 @@ test_plugin(void)
LilvNode* lv2_latency = lilv_new_uri(world,
"http://lv2plug.in/ns/lv2core#latency");
- LilvPort* latency_port = lilv_plugin_get_port_by_relation(
- plug, lv2_latency);
+ LilvPort* latency_port = lilv_plugin_get_port_by_parameter(
+ plug, out_class, lv2_latency);
TEST_ASSERT(latency_port);
TEST_ASSERT(lilv_port_get_index(plug, latency_port) == 2);
diff --git a/utils/lv2info.c b/utils/lv2info.c
index 02aee10..b6955ba 100644
--- a/utils/lv2info.c
+++ b/utils/lv2info.c
@@ -32,6 +32,7 @@ LilvNode* applies_to_pred = NULL;
LilvNode* control_class = NULL;
LilvNode* event_class = NULL;
LilvNode* in_group_pred = NULL;
+LilvNode* is_parameter_pred = NULL;
LilvNode* label_pred = NULL;
LilvNode* preset_class = NULL;
LilvNode* role_pred = NULL;
@@ -108,6 +109,13 @@ print_port(const LilvPlugin* p,
printf("\t\tName: %s\n", lilv_node_as_string(name));
lilv_node_free(name);
+ LilvNodes* parameters = lilv_port_get_value(p, port, is_parameter_pred);
+ if (lilv_nodes_size(parameters) > 0)
+ printf("\t\tParameter: %s\n",
+ lilv_node_as_string(
+ lilv_nodes_get(parameters, lilv_nodes_begin(parameters))));
+ lilv_nodes_free(parameters);
+
LilvNodes* groups = lilv_port_get_value(p, port, in_group_pred);
if (lilv_nodes_size(groups) > 0)
printf("\t\tGroup: %s\n",
@@ -394,6 +402,7 @@ main(int argc, char** argv)
control_class = lilv_new_uri(world, LILV_URI_CONTROL_PORT);
event_class = lilv_new_uri(world, LILV_URI_EVENT_PORT);
in_group_pred = lilv_new_uri(world, NS_PG "inGroup");
+ is_parameter_pred = lilv_new_uri(world, LILV_NS_LV2 "isParameter");
label_pred = lilv_new_uri(world, LILV_NS_RDFS "label");
preset_class = lilv_new_uri(world, NS_PSET "Preset");
role_pred = lilv_new_uri(world, NS_PG "role");
@@ -431,6 +440,7 @@ main(int argc, char** argv)
lilv_node_free(role_pred);
lilv_node_free(preset_class);
lilv_node_free(label_pred);
+ lilv_node_free(is_parameter_pred);
lilv_node_free(in_group_pred);
lilv_node_free(event_class);
lilv_node_free(control_class);
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-11 07:21:47 +0000