/*
- Copyright (C) 2000 Paul Davis
+ Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <string>
#include <exception>
-#include "pbd/statefuldestructible.h"
+#include "pbd/statefuldestructible.h"
-#include <sigc++/signal.h>
#include "ardour/ardour.h"
#include "ardour/automatable_controls.h"
virtual ~Processor() { }
virtual std::string display_name() const { return SessionObject::name(); }
-
- virtual bool visible() const { return true; }
- virtual void set_visible (bool) {}
+
+ virtual bool display_to_user() const { return _display_to_user; }
+ virtual void set_display_to_user (bool);
bool active () const { return _pending_active; }
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 nframes_t signal_latency() const { return 0; }
-
+
virtual void transport_stopped (sframes_t /*frame*/) {}
-
+
virtual void set_block_size (nframes_t /*nframes*/) {}
- virtual void run (BufferSet& /*bufs*/, sframes_t /*start_frame*/, sframes_t /*end_frame*/, nframes_t /*nframes*/) {}
+ /** @param result_required true if, on return from this method, bufs is required to contain valid data;
+ * if false, the method need not bother writing to bufs if it doesn't want to.
+ */
+ virtual void run (BufferSet& /*bufs*/, sframes_t /*start_frame*/, sframes_t /*end_frame*/, nframes_t /*nframes*/, bool /*result_required*/) {}
virtual void silence (nframes_t /*nframes*/) {}
-
+
virtual void activate () { _pending_active = true; ActiveChanged(); }
virtual void deactivate () { _pending_active = false; ActiveChanged(); }
-
+
virtual bool configure_io (ChanCount in, ChanCount out);
/* Derived classes should override these, or processor appears as an in-place pass-through */
virtual XMLNode& state (bool full);
XMLNode& get_state (void);
- int set_state (const XMLNode&);
+ int set_state (const XMLNode&, int version);
void *get_gui () const { return _gui; }
void set_gui (void *p) { _gui = p; }
- static sigc::signal<void,Processor*> ProcessorCreated;
+ static PBD::Signal1<void,Processor*> ProcessorCreated;
- sigc::signal<void> ActiveChanged;
- sigc::signal<void,ChanCount,ChanCount> ConfigurationChanged;
+ PBD::Signal0<void> ActiveChanged;
+ PBD::Signal2<void,ChanCount,ChanCount> ConfigurationChanged;
protected:
int _pending_active;
ChanCount _configured_input;
ChanCount _configured_output;
void* _gui; /* generic, we don't know or care what this is */
+ bool _display_to_user;
+
+private:
+ int set_state_2X (const XMLNode&, int version);
};
} // namespace ARDOUR