#include <stdio.h>
#include <dlfcn.h>

#include "ladspa.h"

void quit (char * s)
{
	fprintf (stderr, s);
	exit (1);
}

int main (int argc, char ** argv)
{
	void * dlhandle;
	LADSPA_Descriptor_Function get_descriptor;
	const LADSPA_Descriptor * d;
	const LADSPA_PortValueEnum * e;
	int i;

	dlhandle = dlopen ("/usr/local/lib/ladspa/ambience.so", RTLD_LAZY);
	if (!dlhandle)
		quit ("can't open plugin\n");
	
	get_descriptor =
		(LADSPA_Descriptor_Function) dlsym (dlhandle, "ladspa_descriptor");
	
	if (!get_descriptor)
		quit ("no get_descriptor\n");

	d = get_descriptor (0);
	if (d == 0)
		quit ("no plugin 0\n");
	
	if (d->Properties & LADSPA_PROPERTY_HAVE_VERSION == 0)
		quit ("not version 2");

	printf ("version: %d.%d\n", d->Version.major, d->Version.minor);
	printf ("latency: %.1f\n", d->Latency);

	for (i = 0; i < d->PortCount; ++i)
	{
		printf ("--------------------------------------------\n");
		printf ("port: %s\n", d->PortNames[i]);
		printf (" default: %.1f\n", d->DefaultValues[i]);
		printf (" unit: %s\n", d->PortUnits[i]);

		if (d->PortValueEnum)
		{
			e = d->PortValueEnum[i];

			while (e && e->Label)
			{
				printf ("  value: %.2f = %s\n", e->Value, e->Label);
				++e;
			}
		}
	}

	return 0;
}