variable plugin port config.

[ardour.git] / libs / ardour / ardour / plugin.h

diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h
index ec749281af2ace14ff6af725e58c9da16e667632..d284c2620d75f3580388cac74d102a71b31b7a3e 100644 (file)
--- a/libs/ardour/ardour/plugin.h
+++ b/libs/ardour/ardour/plugin.h
@@ -22,6 +22,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <string>
+#include <set>
 
 #include "pbd/statefuldestructible.h"
 #include "pbd/controllable.h"
@@ -54,6 +55,7 @@ class AutomationControl;
 typedef boost::shared_ptr<Plugin> PluginPtr;
 typedef boost::shared_ptr<PluginInfo> PluginInfoPtr;
 typedef std::list<PluginInfoPtr> PluginInfoList;
+typedef std::set<uint32_t> PluginOutputConfiguration;
 
 /** A plugin is an external module (usually 3rd party provided) loaded into Ardour
  * for the purpose of digital signal processing.
@@ -124,7 +126,8 @@ class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public Latent
                bool is_sidechain;
        };
 
-       virtual IOPortDescription describe_io_port (DataType dt, bool input, uint32_t id);
+       virtual IOPortDescription describe_io_port (DataType dt, bool input, uint32_t id) const;
+       virtual PluginOutputConfiguration possible_output () const;
 
        virtual void set_automation_control (uint32_t /*port_index*/, boost::shared_ptr<ARDOUR::AutomationControl>) { }