Function setProcessing

distrho/src/DistrhoPluginVST3.cpp:1377–1390

    }

    v3_result setProcessing(const bool processing)
    {
        if (processing)
        {
            if (! fPlugin.isActive())
                fPlugin.activate();
        }
        else
        {
            fPlugin.deactivateIfNeeded();
        }

        return V3_OK;
    }

    v3_result process(v3_process_data* const data)
    {