vsttest

#include <iostream>
#include "aeffectx.h"
#include <dlfcn.h>

typedef AEffect* (*PluginEntryProc) (audioMasterCallback audioMaster);

VstIntPtr mycallback (AEffect* effect, VstInt32 opcode, VstInt32 index, VstIntPtr value, void* ptr, float opt)
{
    if (opcode == audioMasterVersion)
    {
        return kVstVersion;
    }
    return 0;
}

int main(int argc, const char * argv[])
{
    void* pluglib = dlopen("/Library/Audio/Plug-Ins/VST/GRM/GRM Shuffling Stereo.vst/Contents/MacOS/GRM Shuffling Stereo", RTLD_NOW);
    if (pluglib)
    {
        void* plugmain = dlsym(pluglib, "VSTPluginMain");
        if (plugmain)
        {
            PluginEntryProc eproc = (PluginEntryProc)plugmain;
            AEffect* aeff = eproc(mycallback);
            if (aeff)
            {
                std::cout << "AEffect created\n";
                std::cout << aeff->numInputs << " inputs\n";
                std::cout << aeff->numOutputs << " outputs\n"; // shows 2 outputs now...
                VstSpeakerArrangement temp1 = {0};
                VstSpeakerArrangement temp2 = {0};
                aeff->dispatcher(aeff,effSetSpeakerArrangement,0, (VstIntPtr)&temp1,&temp2,0.0f);
                std::cout << aeff->numInputs << " inputs\n";
                std::cout << aeff->numOutputs << " outputs\n"; // and 8 outputs now!
            } else std::cout << "could not create AEffect\n";
        } else std::cout << "could not load plugin main func\n";
    } else std::cout << "could not open plugin dll\n";
    return 0;
}