load-amsynth-dssi.cc

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

int main()
{
    void *dlh = dlopen("/usr/lib/dssi/amsynth_dssi.so", RTLD_LAZY);
    if (!dlh)
        return 1;

    DSSI_Descriptor_Function fn = (DSSI_Descriptor_Function)
        dlsym(dlh, "dssi_descriptor");
    if (!fn)
        return 1;

    const DSSI_Descriptor *desc = fn(0);
    if (!desc)
        return 1;

    const LADSPA_Descriptor *ldesc = desc->LADSPA_Plugin;
    if (!ldesc)
        return 1;

    size_t count = ldesc->PortCount;
    for (size_t i = 0; i < count; ++i) {
        printf("* Port %zu/%zu\n", 1 + i, count);
        printf("  - Name %s\n", ldesc->PortNames[i]);
    }

    return 0;
}