Fix bug in plugin input configuration.

Mixer/Plugin_Module.C

@@ -229,46 +229,50 @@ Plugin_Module::can_support_inputs ( int n )
 bool
 Plugin_Module::configure_inputs( int n )
 {
-    if ( ninputs() == n )
-        return true;
+    int inst = _idata->handle.size();
 
-    int inst = 1;
-    _crosswire = false;
-
-    if ( 1 == n && plugin_ins() > 1 )
+    if ( ninputs() != n )
     {
-        DMESSAGE( "Cross-wiring plugin inputs" );
-        _crosswire = true;
+        _crosswire = false;
 
-        audio_input.clear();
+        if ( n != ninputs() )
+        {
+            if ( 1 == n && plugin_ins() > 1 )
+            {
+                DMESSAGE( "Cross-wiring plugin inputs" );
+                _crosswire = true;
 
-        for ( int i = n; i--; )
-            audio_input.push_back( Port( this, Port::INPUT, Port::AUDIO ) );
-    }
-    else if ( n >= plugin_ins() &&
-              ( plugin_ins() == 1 && plugin_outs() == 1 ) )
-    {
-        DMESSAGE( "Running multiple instances of plugin" );
+                audio_input.clear();
 
-        audio_input.clear();
-        audio_output.clear();
+                for ( int i = n; i--; )
+                    audio_input.push_back( Port( this, Port::INPUT, Port::AUDIO ) );
+            }
+            else if ( n >= plugin_ins() &&
+                      ( plugin_ins() == 1 && plugin_outs() == 1 ) )
+            {
+                DMESSAGE( "Running multiple instances of plugin" );
 
-        for ( int i = n; i--; )
-        {
-            add_port( Port( this, Port::INPUT, Port::AUDIO ) );
-            add_port( Port( this, Port::OUTPUT, Port::AUDIO ) );
-        }
+                audio_input.clear();
+                audio_output.clear();
 
-        inst = n;
-    }
-    if ( n == plugin_ins() )
-    {
+                for ( int i = n; i--; )
+                {
+                    add_port( Port( this, Port::INPUT, Port::AUDIO ) );
+                    add_port( Port( this, Port::OUTPUT, Port::AUDIO ) );
+                }
 
-    }
-    else
-    {
-        // unsupported configuration
-        return false;
+                inst = n;
+            }
+            else if ( n == plugin_ins() )
+            {
+                DMESSAGE( "Plugin input configuration is a perfect match" );
+            }
+            else
+            {
+                DMESSAGE( "Unsupported input configuration" );
+                return false;
+            }
+        }
     }
 
     if ( _active )