remember meter type with session

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

diff --git a/libs/ardour/ardour/processor.h b/libs/ardour/ardour/processor.h
index 05f7dd4fb1281b8726782ed7afbf8a48d28422ae..d497f56dd317438359cb82317faa179c40aea71f 100644 (file)
--- a/libs/ardour/ardour/processor.h
+++ b/libs/ardour/ardour/processor.h
@@ -47,7 +47,7 @@ class Processor : public SessionObject, public Automatable, public Latent
        static const std::string state_node_name;
 
        Processor(Session&, const std::string& name);
-        Processor (const Processor& other);
+       Processor (const Processor& other);
 
        virtual ~Processor() { }
 
@@ -58,23 +58,25 @@ class Processor : public SessionObject, public Automatable, public Latent
 
        bool active () const { return _pending_active; }
 
+       virtual bool does_routing() const { return false; }
+
        bool get_next_ab_is_active () const { return _next_ab_is_active; }
        void set_next_ab_is_active (bool yn) { _next_ab_is_active = yn; }
 
        virtual framecnt_t signal_latency() const { return 0; }
 
        virtual int set_block_size (pframes_t /*nframes*/) { return 0; }
-        virtual bool requires_fixed_sized_buffers() const { return false; }
+       virtual bool requires_fixed_sized_buffers() const { return false; }
 
        /** @param result_required true if, on return from this method, @a bufs is required to contain valid data;
         *  if false, the method need not bother writing to @a bufs if it doesn't want to.
-        */  
+        */
        virtual void run (BufferSet& /*bufs*/, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t /*nframes*/, bool /*result_required*/) {}
        virtual void silence (framecnt_t /*nframes*/) {}
 
        virtual void activate ()   { _pending_active = true; ActiveChanged(); }
        virtual void deactivate () { _pending_active = false; ActiveChanged(); }
-        virtual void flush() {}
+       virtual void flush() {}
 
        virtual bool configure_io (ChanCount in, ChanCount out);
 
@@ -85,6 +87,14 @@ class Processor : public SessionObject, public Automatable, public Latent
        virtual ChanCount output_streams() const { return _configured_output; }
 
        virtual void realtime_handle_transport_stopped () {}
+       virtual void realtime_locate () {}
+
+       /* most processors won't care about this, but plugins that
+          receive MIDI or similar data from an input source that
+          may suddenly go "quiet" because of monitoring changes
+          need to know about it.
+       */
+       virtual void monitoring_changed() {}
 
        /* note: derived classes should implement state(), NOT get_state(), to allow
           us to merge C++ inheritance and XML lack-of-inheritance reasonably
@@ -94,18 +104,18 @@ class Processor : public SessionObject, public Automatable, public Latent
        virtual XMLNode& state (bool full);
        XMLNode& get_state (void);
        int set_state (const XMLNode&, int version);
-       
+
        void set_pre_fader (bool);
 
        PBD::Signal0<void>                     ActiveChanged;
        PBD::Signal2<void,ChanCount,ChanCount> ConfigurationChanged;
-        
-        void  set_ui (void*);
-        void* get_ui () const { return _ui_pointer; }
+
+       void  set_ui (void*);
+       void* get_ui () const { return _ui_pointer; }
 
 protected:
        virtual int set_state_2X (const XMLNode&, int version);
-       
+
        int       _pending_active;
        bool      _active;
        bool      _next_ab_is_active;
@@ -114,7 +124,7 @@ protected:
        ChanCount _configured_output;
        bool      _display_to_user;
        bool      _pre_fader; ///< true if this processor is currently placed before the Amp, otherwise false
-        void*     _ui_pointer;
+       void*     _ui_pointer;
 };
 
 } // namespace ARDOUR