/*
- Copyright (C) 2000 Paul Davis
+ Copyright (C) 2009-2010 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 "pbd/statefuldestructible.h"
-
#include "ardour/ardour.h"
-#include "ardour/automatable_controls.h"
#include "ardour/buffer_set.h"
#include "ardour/latent.h"
#include "ardour/session_object.h"
#include "ardour/types.h"
+#include "ardour/automatable.h"
class XMLNode;
class Session;
class Route;
-/* A mixer strip element - plugin, send, meter, etc.
- */
-class Processor : public SessionObject, public AutomatableControls, public Latent
+/** A mixer strip element - plugin, send, meter, etc */
+class Processor : public SessionObject, public Automatable, public Latent
{
public:
static const std::string state_node_name;
Processor(Session&, const std::string& name);
- Processor(Session&, const XMLNode& node);
+ Processor (const Processor& other);
virtual ~Processor() { }
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 framecnt_t signal_latency() const { return 0; }
- virtual void set_block_size (nframes_t /*nframes*/) {}
+ virtual int set_block_size (pframes_t /*nframes*/) { return 0; }
+ virtual bool requires_fixed_sized_buffers() const { return false; }
- /** @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*/) {}
+ /** @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 bool configure_io (ChanCount in, ChanCount out);
virtual ChanCount input_streams () const { return _configured_input; }
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
smoothly.
virtual XMLNode& state (bool full);
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 PBD::Signal1<void,Processor*> ProcessorCreated;
+ 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; }
+
protected:
+ virtual int set_state_2X (const XMLNode&, int version);
+
int _pending_active;
bool _active;
bool _next_ab_is_active;
bool _configured;
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);
+ bool _display_to_user;
+ bool _pre_fader; ///< true if this processor is currently placed before the Amp, otherwise false
+ void* _ui_pointer;
};
} // namespace ARDOUR