libs/midi++2/midi++/manager.h

   1 /*
   2     Copyright (C) 1998 Paul Barton-Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __midi_manager_h__
  21 #define __midi_manager_h__
  22
  23 #include <list>
  24
  25 #include <string>
  26
  27 #include "midi++/types.h"
  28 #include "midi++/port.h"
  29
  30 namespace MIDI {
  31
  32 class MachineControl;
  33
  34 class Manager {
  35   public:
  36         ~Manager ();
  37
  38         /** Signal the start of an audio cycle.
  39          * This MUST be called before any reading/writing for this cycle.
  40          * Realtime safe.
  41          */
  42         void cycle_start(nframes_t nframes);
  43
  44         /** Signal the end of an audio cycle.
  45          * This signifies that the cycle began with @ref cycle_start has ended.
  46          * This MUST be called at the end of each cycle.
  47          * Realtime safe.
  48          */
  49         void cycle_end();
  50
  51         MachineControl* mmc () const { return _mmc; }
  52         Port *mtc_input_port() const { return _mtc_input_port; }
  53         Port *mtc_output_port() const { return _mtc_output_port; }
  54         Port *midi_input_port() const { return _midi_input_port; }
  55         Port *midi_output_port() const { return _midi_output_port; }
  56         Port *midi_clock_input_port() const { return _midi_clock_input_port; }
  57         Port *midi_clock_output_port() const { return _midi_clock_output_port; }
  58
  59         Port* add_port (Port *);
  60
  61         Port* port (std::string const &);
  62
  63         void set_port_states (std::list<XMLNode*>);
  64
  65         typedef std::list<Port *> PortList;
  66
  67         const PortList& get_midi_ports() const { return _ports; }
  68
  69         static void create (jack_client_t* jack);
  70
  71         static Manager *instance () {
  72                 return theManager;
  73         }
  74
  75         void reestablish (jack_client_t *);
  76         void reconnect ();
  77
  78         PBD::Signal0<void> PortsChanged;
  79
  80   private:
  81         /* This is a SINGLETON pattern */
  82
  83         Manager (jack_client_t *);
  84         static Manager *theManager;
  85
  86         MIDI::MachineControl*   _mmc;
  87         MIDI::Port*             _mtc_input_port;
  88         MIDI::Port*             _mtc_output_port;
  89         MIDI::Port*             _midi_input_port;
  90         MIDI::Port*             _midi_output_port;
  91         MIDI::Port*             _midi_clock_input_port;
  92         MIDI::Port*             _midi_clock_output_port;
  93
  94         std::list<Port*> _ports;
  95 };
  96
  97 } // namespace MIDI
  98
  99 #endif  // __midi_manager_h__