/*
- 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"
static const std::string state_node_name;
Processor(Session&, const std::string& name);
-
+ Processor(Session&, const XMLNode& node);
+
virtual ~Processor() { }
-
- /** Configuration of a processor on a bus
- * (i.e. how to apply to a BufferSet)
- */
- struct Mapping {
- ChanCount in;
- ChanCount out;
- };
-
- uint32_t sort_key() const { return _sort_key; }
- void set_sort_key (uint32_t key);
- bool active () const { return _active; }
-
+ virtual std::string display_name() const { return SessionObject::name(); }
+
+ 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 (nframes_t frame) {}
-
- virtual void set_block_size (nframes_t nframes) {}
- virtual void run_in_place (BufferSet& bufs,
- nframes_t start_frame, nframes_t end_frame,
- nframes_t nframes) { assert(is_in_place()); }
-
- virtual void run_out_of_place (BufferSet& input, BufferSet& output,
- nframes_t start_frame, nframes_t end_frame,
- nframes_t nframes) { assert(is_out_of_place()); }
-
- virtual void silence (nframes_t nframes) {}
-
- void activate () { _active = true; ActiveChanged(); }
- void deactivate () { _active = false; ActiveChanged(); }
-
- virtual bool configure_io (ChanCount in, ChanCount out);
+ virtual void transport_stopped (sframes_t /*frame*/) {}
- /* Derived classes should override these, or processor appears as an in-place pass-through */
+ virtual void set_block_size (nframes_t /*nframes*/) {}
- /** In-place processors implement run_in_place and modify thee input buffer parameter */
- virtual bool is_in_place () const { return true; }
+ /** @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*/) {}
- /* Out-Of-Place processors implement run_out_of_place, don't modify the input parameter
- * and write to their output parameter */
- virtual bool is_out_of_place () const { return false; }
+ 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 bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const = 0;
virtual ChanCount input_streams () const { return _configured_input; }
virtual ChanCount output_streams() const { return _configured_output; }
+ /* note: derived classes should implement state(), NOT get_state(), to allow
+ us to merge C++ inheritance and XML lack-of-inheritance reasonably
+ smoothly.
+ */
+
virtual XMLNode& state (bool full);
- virtual XMLNode& get_state (void);
- virtual int set_state (const XMLNode&);
+ XMLNode& get_state (void);
+ 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 boost::signals2::signal<void(Processor*)> ProcessorCreated;
- sigc::signal<void> ActiveChanged;
- sigc::signal<void,ChanCount,ChanCount> ConfigurationChanged;
+ boost::signals2::signal<void()> ActiveChanged;
+ boost::signals2::signal<void(ChanCount,ChanCount)> ConfigurationChanged;
protected:
int _pending_active;
bool _configured;
ChanCount _configured_input;
ChanCount _configured_output;
- uint32_t _sort_key;
void* _gui; /* generic, we don't know or care what this is */
- Mapping _mapping;
+ bool _display_to_user;
+
+private:
+ int set_state_2X (const XMLNode&, int version);
};
} // namespace ARDOUR