Fix VST default value. query once at instantiation time.

diff --git a/libs/ardour/vst_plugin.cc b/libs/ardour/vst_plugin.cc
index afed7315f4f5ec528359e5c194a74536f8d96c0a..787210af6aa6d41f1eaccb3f7534df1563f2dc57 100644 (file)
--- a/libs/ardour/vst_plugin.cc
+++ b/libs/ardour/vst_plugin.cc
@@ -390,9 +390,10 @@ VSTPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& desc)
                desc.largestep = 0.1f;
        }
 
-       desc.normal = get_parameter (which);
        if (_parameter_defaults.find (which) == _parameter_defaults.end ()) {
-               _parameter_defaults[which] = desc.normal;
+               _parameter_defaults[which] = get_parameter (which);
+       } else {
+               desc.normal = _parameter_defaults[which];
        }
 
        return 0;