/*
- Copyright (C) 2009 Paul Davis
+ Copyright (C) 2009 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
#ifndef __ardour_port_h__
#define __ardour_port_h__
-#include "ardour/data_type.h"
-#include "ardour/types.h"
-#include <sigc++/trackable.h>
-#include <jack/jack.h>
-#include <string>
#include <set>
+#include <string>
#include <vector>
+#include <jack/jack.h>
+#include <boost/utility.hpp>
+#include "pbd/signals.h"
+
+#include "ardour/data_type.h"
+#include "ardour/types.h"
namespace ARDOUR {
class AudioEngine;
-class Buffer;
+class Buffer;
-class Port : public sigc::trackable
+class Port : public boost::noncopyable
{
public:
enum Flags {
virtual ~Port ();
- /** @return Port name (excluding prefix) */
+ static nframes_t port_offset() { return _port_offset; }
+
+ static void set_port_offset (nframes_t off) {
+ _port_offset = off;
+ }
+ static void increment_port_offset (nframes_t n) {
+ _port_offset += n;
+ }
+ static void set_buffer_size (nframes_t sz) {
+ _buffer_size = sz;
+ }
+ static void set_connecting_blocked( bool yn ) {
+ _connecting_blocked = yn;
+ }
+ static bool connecting_blocked() {
+ return _connecting_blocked;
+ }
+
+
+ /** @return Port short name */
std::string name () const {
return _name;
}
return _flags & IsOutput;
}
- /* @return true if this port is visible outside Ardour (via JACK) */
- bool external () const {
- return _jack_port != 0;
- }
-
bool connected () const;
int disconnect_all ();
int get_connections (std::vector<std::string> &) const;
/* connection by Port* */
bool connected_to (Port *) const;
- int connect (Port *);
+ virtual int connect (Port *);
int disconnect (Port *);
void ensure_monitor_input (bool);
nframes_t total_latency () const;
int reestablish ();
int reconnect ();
- void set_latency (nframes_t);
void request_monitor_input (bool);
- void make_external ();
+ void set_latency (nframes_t);
virtual void reset ();
+ /** @return the size of the raw buffer (bytes) for duration @a nframes (audio frames) */
+ virtual size_t raw_buffer_size(jack_nframes_t nframes) const = 0;
+
virtual DataType type () const = 0;
- virtual void cycle_start (nframes_t, nframes_t) = 0;
- virtual void cycle_end (nframes_t, nframes_t) = 0;
- virtual Buffer& get_buffer (nframes_t, nframes_t) = 0;
- virtual void flush_buffers (nframes_t, nframes_t) {}
+ virtual void cycle_start (nframes_t) = 0;
+ virtual void cycle_end (nframes_t) = 0;
+ virtual void cycle_split () = 0;
+ virtual Buffer& get_buffer (nframes_t nframes, nframes_t offset = 0) = 0;
+ virtual void flush_buffers (nframes_t nframes, nframes64_t /*time*/, nframes_t offset = 0) {
+ assert(offset < nframes);
+ }
+ virtual void transport_stopped () {}
+
+ bool physically_connected () const;
static void set_engine (AudioEngine *);
- sigc::signal<void, bool> MonitorInputChanged;
+ PBD::Signal1<void,bool> MonitorInputChanged;
protected:
-
- Port (std::string const &, DataType, Flags, bool);
- jack_port_t* _jack_port; ///< JACK port, or 0 if we don't have one
- std::set<Port*> _connections; ///< internal Ports that we are connected to
+ Port (std::string const &, DataType, Flags);
+ jack_port_t* _jack_port; ///< JACK port
+
+ static nframes_t _port_offset;
+ static nframes_t _buffer_size;
+ static bool _connecting_blocked;
+
static AudioEngine* _engine; ///< the AudioEngine
-
+
private:
friend class AudioEngine;
void recompute_total_latency () const;
- void do_make_external (DataType);
-
+
/* XXX */
bool _last_monitor;
- nframes_t _latency;
- std::string _name; ///< port name (excluding prefix)
- Flags _flags; ///< flags
+ std::string _name; ///< port short name
+ Flags _flags; ///< flags
- /// list of JACK ports that we are connected to; we only keep this around
- /// so that we can implement ::reconnect ()
- std::set<std::string> _named_connections;
+ /** ports that we are connected to, kept so that we can
+ reconnect to JACK when required */
+ std::set<std::string> _connections;
};
}
-#endif
+#endif /* __ardour_port_h__ */