Call PluginControl when a LV2 GUI control changes, rather than calling the plugin...

[ardour.git] / gtk2_ardour / lv2_plugin_ui.cc

diff --git a/gtk2_ardour/lv2_plugin_ui.cc b/gtk2_ardour/lv2_plugin_ui.cc
index f8924e5bec048c005863b8ec56722fa1217854ea..3f6fa5814ce25f2d6efd78682b8f9f3e1f828d21 100644 (file)
--- a/gtk2_ardour/lv2_plugin_ui.cc
+++ b/gtk2_ardour/lv2_plugin_ui.cc
@@ -38,11 +38,8 @@ LV2PluginUI::lv2_ui_write(
                const void*      buffer)
 {
        //cout << "lv2_ui_write" << endl;
-       LV2PluginUI* me = (LV2PluginUI*)controller;
-       if (*(float*)buffer != me->_values[port_index]) {
-               //cout << "set_parameter " << port_index << ":"  << *(float*)buffer << endl;
-               me->_lv2->set_parameter(port_index, *(float*)buffer);
-  }
+       LV2PluginUI* me = (LV2PluginUI *) controller;
+       me->_controllables[port_index]->set_value (*(float *) buffer);
 }
 
 void LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller)
@@ -190,11 +187,16 @@ LV2PluginUI::lv2ui_instantiate(const std::string& title)
        }
 
        _values = new float[num_ports];
+       _controllables.resize (num_ports);
        for (uint32_t i = 0; i < num_ports; ++i) {
                bool ok;
                uint32_t port = _lv2->nth_parameter(i, ok);
                if (ok) {
                        _values[port] = _lv2->get_parameter(port);
+                       _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
+                               insert->control (Evoral::Parameter (PluginAutomation, 0, port))
+                               );
+                       
                        if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
                                parameter_update(port, _values[port]);
                        }