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/*
Copyright (C) 2007 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_internal_port_h__
#define __ardour_internal_port_h__
#include <list>
#include <sigc++/signal.h>
#include <pbd/failed_constructor.h>
#include <ardour/port.h>
namespace ARDOUR {
class AudioEngine;
class Buffer;
/** Abstract class representing internal (ardour<->ardour only) ports
*/
class InternalPort : public virtual Port {
public:
~InternalPort();
std::string short_name();
int set_name (std::string str);
int connected () const;
int reestablish ();
bool connected_to (const std::string& portname) const;
const char ** get_connections () const;
bool monitoring_input () const { return false; }
void ensure_monitor_input (bool yn) {}
void request_monitor_input (bool yn) {}
nframes_t latency () const { return _latency; }
nframes_t total_latency() const { return _latency; }
void set_latency (nframes_t nframes);
static void connect (InternalPort& src, InternalPort& dst);
static void disconnect (InternalPort& a, InternalPort& b);
protected:
friend class AudioEngine;
InternalPort (const std::string&, DataType type, Flags flags);
int disconnect ();
void recompute_total_latency() const;
std::list<InternalPort*> _connections;
nframes_t _latency;
static AudioEngine* engine;
static void set_engine (AudioEngine* e);
};
} // namespace ARDOUR
#endif /* __ardour_internal_port_h__ */
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