X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fport.h;h=5fb9a7efc3bd321213eb112914611fcc28dda76e;hb=c0e6f8e4c324c3f44613949b59acd9e864ab263d;hp=3f86fb8fd2158e1b52cedaf5122978ed39631cbb;hpb=ca10cc82a4374a5b413c06ead6cc89c53f8881ee;p=ardour.git

diff --git a/libs/ardour/ardour/port.h b/libs/ardour/ardour/port.h
index 3f86fb8fd2..5fb9a7efc3 100644
--- a/libs/ardour/ardour/port.h
+++ b/libs/ardour/ardour/port.h
@@ -1,5 +1,5 @@
 /*
-    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
@@ -20,40 +20,35 @@
 #ifndef __ardour_port_h__
 #define __ardour_port_h__
 
+#include "libardour-config.h"
+
 #include <set>
 #include <string>
 #include <vector>
 #include <jack/jack.h>
 #include <boost/utility.hpp>
-#include <sigc++/trackable.h>
+#include "pbd/signals.h"
+
 #include "ardour/data_type.h"
+#include "ardour/port_engine.h"
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
 
 namespace ARDOUR {
 
 class AudioEngine;
-class Buffer;	
+class Buffer;
 
-class Port : public sigc::trackable, public boost::noncopyable
+class LIBARDOUR_API Port : public boost::noncopyable
 {
 public:
-	enum Flags {
-		IsInput = JackPortIsInput,
-		IsOutput = JackPortIsOutput,
-	};
-
 	virtual ~Port ();
 
-	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_connecting_blocked( bool yn ) {
+		_connecting_blocked = yn;
 	}
-	static void set_buffer_size (nframes_t sz) {
-		_buffer_size = sz;
+	static bool connecting_blocked() {
+		return _connecting_blocked;
 	}
 
 	/** @return Port short name */
@@ -64,7 +59,7 @@ public:
 	int set_name (std::string const &);
 
 	/** @return flags */
-	Flags flags () const {
+        PortFlags flags () const {
 		return _flags;
 	}
 
@@ -92,55 +87,87 @@ public:
 	virtual int connect (Port *);
 	int disconnect (Port *);
 
-	void ensure_monitor_input (bool);
+	void request_input_monitoring (bool);
+	void ensure_input_monitoring (bool);
 	bool monitoring_input () const;
-	nframes_t total_latency () const;
 	int reestablish ();
 	int reconnect ();
-	void request_monitor_input (bool);
-	void set_latency (nframes_t);
+
+	bool last_monitor() const { return _last_monitor; }
+	void set_last_monitor (bool yn) { _last_monitor = yn; }
+
+        PortEngine::PortHandle port_handle() { return _port_handle; }
+
+        void get_connected_latency_range (LatencyRange& range, bool playback) const;
+
+	void set_private_latency_range (LatencyRange& range, bool playback);
+	const LatencyRange&  private_latency_range (bool playback) const;
+
+	void set_public_latency_range (LatencyRange& range, bool playback) const;
+	LatencyRange public_latency_range (bool playback) const;
 
 	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) = 0;
-	virtual void cycle_end (nframes_t) = 0;
+	virtual void cycle_start (pframes_t);
+	virtual void cycle_end (pframes_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_t offset = 0) {}
-	
-	static void set_engine (AudioEngine *);
+	virtual Buffer& get_buffer (pframes_t nframes) = 0;
+	virtual void flush_buffers (pframes_t /*nframes*/) {}
+	virtual void transport_stopped () {}
+	virtual void realtime_locate () {}
+
+	bool physically_connected () const;
 
-	sigc::signal<void, bool> MonitorInputChanged;
+	PBD::Signal1<void,bool> MonitorInputChanged;
+	static PBD::Signal2<void,boost::shared_ptr<Port>,boost::shared_ptr<Port> > PostDisconnect;
+	static PBD::Signal0<void> PortDrop;
+
+	static void set_cycle_framecnt (pframes_t n) {
+		_cycle_nframes = n;
+	}
+	static framecnt_t port_offset() { return _global_port_buffer_offset; }
+	static void set_global_port_buffer_offset (pframes_t off) {
+		_global_port_buffer_offset = off;
+	}
+	static void increment_global_port_buffer_offset (pframes_t n) {
+		_global_port_buffer_offset += n;
+	}
+
+	virtual void increment_port_buffer_offset (pframes_t n);
+
+	virtual XMLNode& get_state (void) const;
+	virtual int set_state (const XMLNode&, int version);
+
+        static std::string state_node_name;
 
 protected:
-	
-	Port (std::string const &, DataType, Flags);
 
-	jack_port_t* _jack_port; ///< JACK port
+	Port (std::string const &, DataType, PortFlags);
 
-	static nframes_t _port_offset;
-	static nframes_t _buffer_size;
+        PortEngine::PortHandle _port_handle;
 
-	static AudioEngine* _engine; ///< the AudioEngine
+	static bool	  _connecting_blocked;
+	static pframes_t  _global_port_buffer_offset;   /* access only from process() tree */
+	static pframes_t  _cycle_nframes; /* access only from process() tree */
 
-private:
-	friend class AudioEngine;
+	framecnt_t _port_buffer_offset; /* access only from process() tree */
 
-	void recompute_total_latency () const;
-	
-	/* XXX */
-	bool _last_monitor;
+	LatencyRange _private_playback_latency;
+	LatencyRange _private_capture_latency;
 
+private:
 	std::string _name;  ///< port short name
-	Flags       _flags; ///< flags
+	PortFlags       _flags; ///< flags
+	bool        _last_monitor;
 
 	/** ports that we are connected to, kept so that we can
-	    reconnect to JACK when required */
+	    reconnect to the backend when required
+	*/
 	std::set<std::string> _connections;
+
+       void drop ();
+       PBD::ScopedConnection drop_connection;
 };
 
 }