Merge branch 'master' of git.ardour.org:ardour/ardour

[ardour.git] / libs / ardour / vst_plugin.cc

diff --git a/libs/ardour/vst_plugin.cc b/libs/ardour/vst_plugin.cc
index 7bcbcd50393c8f963c762d080d3b8053a50d414a..3885bc2a1cab8fd2c42bf302495bab952d202e90 100644 (file)
--- a/libs/ardour/vst_plugin.cc
+++ b/libs/ardour/vst_plugin.cc
@@ -100,21 +100,22 @@ VSTPlugin::get_parameter (uint32_t which) const
 }
 
 void 
-VSTPlugin::set_parameter (uint32_t which, float val)
+VSTPlugin::set_parameter (uint32_t which, float newval)
 {
-       float v = get_parameter (which);
+       float oldval = get_parameter (which);
 
-       cerr << name() << " setting parameter #" << which << " to " << val << " current " << v << " == ? " 
-            << (v == val) << " floateq ? " << floateq (v, val, 1) << " delta " 
-            << std::setprecision(15) 
-            << (v - val) << endl;
-
-       if (PBD::floateq (get_parameter (which), val, 1)) {
+       if (PBD::floateq (oldval, newval, 1)) {
                return;
        }
 
-       _plugin->setParameter (_plugin, which, val);
-       Plugin::set_parameter (which, val);
+       _plugin->setParameter (_plugin, which, newval);
+       
+       float curval = get_parameter (which);
+
+       if (!PBD::floateq (curval, oldval, 1)) {
+               /* value has changed, follow rest of the notification path */
+               Plugin::set_parameter (which, newval);
+       }
 }
 
 uint32_t