-namespace ARDOUR
+/*
+ Copyright (C) 2013 Paul Davis
-class PortManager
+ 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 __libardour_port_manager_h__
+#define __libardour_port_manager_h__
+
+#include <vector>
+#include <string>
+#include <exception>
+#include <map>
+
+#include <stdint.h>
+
+#include <boost/shared_ptr.hpp>
+
+#include "pbd/rcu.h"
+
+#include "ardour/chan_count.h"
+#include "ardour/midiport_manager.h"
+#include "ardour/port.h"
+
+namespace ARDOUR {
+
+class PortEngine;
+class AudioBackend;
+
+class LIBARDOUR_API PortManager
{
public:
- PortManager() {}
- virtual ~PortManager() {}
+ typedef std::map<std::string,boost::shared_ptr<Port> > Ports;
+ typedef std::list<boost::shared_ptr<Port> > PortList;
+
+ PortManager ();
+ virtual ~PortManager() {}
- /* Port registration */
-
- virtual boost::shared_ptr<Port> register_input_port (DataType, const std::string& portname) = 0;
- virtual boost::shared_ptr<Port> register_output_port (DataType, const std::string& portname) = 0;
- virtual int unregister_port (boost::shared_ptr<Port>) = 0;
-
- /* Port connectivity */
-
- virtual int connect (const std::string& source, const std::string& destination) = 0;
- virtual int disconnect (const std::string& source, const std::string& destination) = 0;
- virtual int disconnect (boost::shared_ptr<Port>) = 0;
+ PortEngine& port_engine();
+
+ uint32_t port_name_size() const;
+ std::string my_name() const;
+
+ /* Port registration */
+
+ boost::shared_ptr<Port> register_input_port (DataType, const std::string& portname, bool async = false);
+ boost::shared_ptr<Port> register_output_port (DataType, const std::string& portname, bool async = false);
+ int unregister_port (boost::shared_ptr<Port>);
+
+ /* Port connectivity */
+
+ int connect (const std::string& source, const std::string& destination);
+ int disconnect (const std::string& source, const std::string& destination);
+ int disconnect (boost::shared_ptr<Port>);
+ int reestablish_ports ();
+ int reconnect_ports ();
+
+ bool connected (const std::string&);
+ bool connected_to (const std::string&, const std::string&);
+ bool physically_connected (const std::string&);
+ int get_connections (const std::string&, std::vector<std::string>&);
+
+ /* Naming */
+
+ boost::shared_ptr<Port> get_port_by_name (const std::string &);
+ void port_renamed (const std::string&, const std::string&);
+ std::string make_port_name_relative (const std::string& name) const;
+ std::string make_port_name_non_relative (const std::string& name) const;
+ bool port_is_mine (const std::string& fullname) const;
+
+ /* other Port management */
+
+ bool port_is_physical (const std::string&) const;
+ void get_physical_outputs (DataType type, std::vector<std::string>&);
+ void get_physical_inputs (DataType type, std::vector<std::string>&);
+ ChanCount n_physical_outputs () const;
+ ChanCount n_physical_inputs () const;
+
+ int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&);
+ int get_ports (DataType, PortList&);
+
+ void remove_all_ports ();
+
+ /* per-Port monitoring */
+
+ bool can_request_input_monitoring () const;
+ void request_input_monitoring (const std::string&, bool) const;
+ void ensure_input_monitoring (const std::string&, bool) const;
+
+ class PortRegistrationFailure : public std::exception {
+ public:
+ PortRegistrationFailure (std::string const & why = "")
+ : reason (why) {}
- /* other Port management */
+ ~PortRegistrationFailure () throw () {}
- virtual bool port_is_physical (const std::string&) const = 0;
- virtual void get_physical_outputs (DataType type, std::vector<std::string>&) = 0;
- virtual void get_physical_inputs (DataType type, std::vector<std::string>&) = 0;
- virtual boost::shared_ptr<Port> get_port_by_name (const std::string &) = 0;
- virtual void port_renamed (const std::string&, const std::string&) = 0;
- virtual ChanCount n_physical_outputs () const = 0;
- virtual ChanCount n_physical_inputs () const = 0;
- virtual const char ** get_ports (const std::string& port_name_pattern, const std::string& type_name_pattern, uint32_t flags) = 0;
-
- /* per-Port monitoring */
+ const char *what() const throw () { return reason.c_str(); }
- virtual bool can_request_input_monitoring () const = 0;
- virtual void request_input_monitoring (const std::string&, bool) const = 0;
+ private:
+ std::string reason;
+ };
+
+ /* the port engine will invoke these callbacks when the time is right */
+
+ void registration_callback ();
+ int graph_order_callback ();
+ void connect_callback (const std::string&, const std::string&, bool connection);
- class PortRegistrationFailure : public std::exception {
- public:
- PortRegistrationFailure (std::string const & why = "")
- : reason (why) {}
+ bool port_remove_in_progress() const { return _port_remove_in_progress; }
- ~PortRegistrationFailure () throw () {}
+ /** Emitted if the backend notifies us of a graph order event */
+ PBD::Signal0<void> GraphReordered;
- virtual const char *what() const throw () { return reason.c_str(); }
+ /** Emitted if a Port is registered or unregistered */
+ PBD::Signal0<void> PortRegisteredOrUnregistered;
+
+ /** Emitted if a Port is connected or disconnected.
+ * The Port parameters are the ports being connected / disconnected, or 0 if they are not known to Ardour.
+ * The std::string parameters are the (long) port names.
+ * The bool parameter is true if ports were connected, or false for disconnected.
+ */
+ PBD::Signal5<void, boost::weak_ptr<Port>, std::string, boost::weak_ptr<Port>, std::string, bool> PortConnectedOrDisconnected;
- private:
- std::string reason;
- };
+ protected:
+ boost::shared_ptr<AudioBackend> _backend;
+ SerializedRCUManager<Ports> ports;
+ bool _port_remove_in_progress;
+ boost::shared_ptr<Port> register_port (DataType type, const std::string& portname, bool input, bool async = false);
+ void port_registration_failure (const std::string& portname);
+
+ /** List of ports to be used between ::cycle_start() and ::cycle_end()
+ */
+ boost::shared_ptr<Ports> _cycle_ports;
+
+ void fade_out (gain_t, gain_t, pframes_t);
+ void silence (pframes_t nframes);
+ void check_monitoring ();
+ /** Signal the start of an audio cycle.
+ * This MUST be called before any reading/writing for this cycle.
+ * Realtime safe.
+ */
+ void cycle_start (pframes_t nframes);
+
+ /** Signal the end of an audio cycle.
+ * This signifies that the cycle began with @ref cycle_start has ended.
+ * This MUST be called at the end of each cycle.
+ * Realtime safe.
+ */
+ void cycle_end (pframes_t nframes);
};
+
+
+
+} // namespace
+
+#endif /* __libardour_port_manager_h__ */
projects / ardour.git / blobdiff