lv2discovery.cpp

#include <lilv-0/lilv/lilv.h>
#include "lv2/lv2plug.in/ns/ext/event/event.h"
#include "lv2/lv2plug.in/ns/ext/midi/midi.h"
#include "lv2/lv2plug.in/ns/ext/port-groups/port-groups.h"
#include "lv2/lv2plug.in/ns/ext/uri-map/uri-map.h"


#include <iostream>
using namespace std;

int main() {
    LilvNode* gControlPortClass;
    LilvWorld* gWorld = lilv_world_new();
    gControlPortClass = lilv_new_uri(gWorld, LV2_CORE__ControlPort);

    lilv_world_load_all(gWorld);

    const LilvPlugins *plugs = lilv_world_get_all_plugins(gWorld);

    LILV_FOREACH(plugins, i, plugs)
    {
        const LilvPlugin *plug = lilv_plugins_get(plugs, i);
        LilvNode* name = lilv_plugin_get_name(plug);
        cout << lilv_node_as_string(name) << endl;
        int numPorts = lilv_plugin_get_num_ports(plug);

        for (int i = 0; i < numPorts; i++)
        {
            const LilvPort *port = lilv_plugin_get_port_by_index(plug, i);

            if (lilv_port_is_a(plug, port, gControlPortClass)) {
                // Get the port name
                LilvNode *tmpName = lilv_port_get_name(plug, port);
                cout << "Port name: " <<  lilv_node_as_string(tmpName) << endl;
                lilv_node_free(tmpName);
            }
        }
    }
    
    return 0;
}