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/*
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_insert_h__
#define __ardour_insert_h__
#include <vector>
#include <string>
#include <exception>
#include <pbd/statefuldestructible.h>
#include <sigc++/signal.h>
#include <ardour/types.h>
#include <ardour/ardour.h>
#include <ardour/plugin_state.h>
#include <ardour/buffer_set.h>
#include <ardour/automatable.h>
class XMLNode;
namespace ARDOUR {
class Session;
/* A mixer strip element - plugin, send, meter, etc.
*/
class Insert : public Automatable
{
public:
static const string state_node_name;
Insert(Session&, const string& name, Placement p); // TODO: remove placement in favour of sort key
virtual ~Insert() { }
static boost::shared_ptr<Insert> clone (boost::shared_ptr<const Insert>);
uint32_t sort_key() const { return _sort_key; }
void set_sort_key (uint32_t key);
Placement placement() const { return _placement; }
void set_placement (Placement);
bool active () const { return _active; }
void set_active (bool yn);
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 latency() { return 0; }
virtual void transport_stopped (nframes_t frame) {}
virtual void set_block_size (nframes_t nframes) {}
virtual void run (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) = 0;
virtual void silence (nframes_t nframes, nframes_t offset) {}
virtual void activate () { _active = true; ActiveChanged.emit(); }
virtual void deactivate () { _active = false; ActiveChanged.emit(); }
virtual bool configure_io (ChanCount in, ChanCount out) { _configured_input = in; return (_configured = true); }
/* Act as a pass through, if not overridden */
virtual bool can_support_input_configuration (ChanCount in) const { return true; }
virtual ChanCount output_for_input_configuration (ChanCount in) const { return in; }
virtual ChanCount output_streams() const { return _configured_input; }
virtual ChanCount input_streams () const { return _configured_input; }
virtual XMLNode& state (bool full);
virtual XMLNode& get_state (void);
virtual int set_state (const XMLNode&);
void *get_gui () const { return _gui; }
void set_gui (void *p) { _gui = p; }
static sigc::signal<void,Insert*> InsertCreated;
sigc::signal<void> ActiveChanged;
sigc::signal<void> PlacementChanged;
protected:
bool _active;
bool _next_ab_is_active;
bool _configured;
ChanCount _configured_input;
Placement _placement;
uint32_t _sort_key;
void* _gui; /* generic, we don't know or care what this is */
};
} // namespace ARDOUR
#endif /* __ardour_insert_h__ */
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