Remove C++11'ism
[ardour.git] / libs / ardour / ardour / async_midi_port.h
index 76bdac04095ab5272882eb1377bdb7597e7e400b..3639304f7783ff603f78702f9a3f566abc814430 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 1998-2010 Paul Barton-Davis 
+    Copyright (C) 1998-2010 Paul Barton-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
 #include <string>
 #include <iostream>
 
+#include <boost/function.hpp>
+
 #include "pbd/xml++.h"
 #include "pbd/crossthread.h"
 #include "pbd/signals.h"
 #include "pbd/ringbuffer.h"
 
 #include "evoral/Event.hpp"
-#include "evoral/EventRingBuffer.hpp"
 
 #include "midi++/types.h"
 #include "midi++/parser.h"
 #include "midi++/port.h"
 
+#include "ardour/event_ring_buffer.h"
+#include "ardour/libardour_visibility.h"
 #include "ardour/midi_port.h"
 
 namespace ARDOUR {
 
-       class AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
+class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
+
+       public:
+               AsyncMIDIPort (std::string const &, PortFlags);
+               ~AsyncMIDIPort ();
+
+               bool flush_at_cycle_start () const { return _flush_at_cycle_start; }
+               void set_flush_at_cycle_start (bool en) { _flush_at_cycle_start = en; }
+
+               /* called from an RT context */
+               void cycle_start (pframes_t nframes);
+               void cycle_end (pframes_t nframes);
+
+               /* called from non-RT context */
+               void parse (samplecnt_t timestamp);
+               int write (const MIDI::byte *msg, size_t msglen, MIDI::timestamp_t timestamp);
+               int read (MIDI::byte *buf, size_t bufsize);
+               /* waits for output to be cleared */
+               void drain (int check_interval_usecs, int total_usecs_to_wait);
+
+               /* clears async request communication channel */
+               void clear () {
+                       _xthread.drain ();
+               }
+
+               CrossThreadChannel& xthread() {
+                       return _xthread;
+               }
+
+               /* Not selectable; use ios() */
+               int selectable() const { return -1; }
+               void set_timer (boost::function<samplecnt_t (void)>&);
 
-  public:
-        AsyncMIDIPort (std::string const &, PortFlags);
-       ~AsyncMIDIPort ();
+               static void set_process_thread (pthread_t);
+               static pthread_t get_process_thread () { return _process_thread; }
+               static bool is_process_thread();
 
-        /* called from an RT context */
+       private:
+               bool                    _currently_in_cycle;
+               MIDI::timestamp_t       _last_write_timestamp;
+               bool                    _flush_at_cycle_start;
+               bool                    have_timer;
+               boost::function<samplecnt_t (void)> timer;
+               PBD::RingBuffer< Evoral::Event<double> > output_fifo;
+               EventRingBuffer<MIDI::timestamp_t> input_fifo;
+               Glib::Threads::Mutex output_fifo_lock;
+               CrossThreadChannel _xthread;
 
-       void cycle_start (pframes_t nframes);
-       void cycle_end (pframes_t nframes);
-    
-        /* called from non-RT context */
-    
-       void parse (framecnt_t timestamp);
-        int write (const MIDI::byte *msg, size_t msglen, MIDI::timestamp_t timestamp);
-        int read (MIDI::byte *buf, size_t bufsize);
-       void drain (int check_interval_usecs);
-       int selectable () const { return xthread.selectable(); }
+               int create_port ();
 
-       static void set_process_thread (pthread_t);
-       static pthread_t get_process_thread () { return _process_thread; }
-       static bool is_process_thread();
+               /** Channel used to signal to the MidiControlUI that input has arrived */
 
-  private:     
-       bool                    _currently_in_cycle;
-        MIDI::timestamp_t       _last_write_timestamp;
-       RingBuffer< Evoral::Event<double> > output_fifo;
-        Evoral::EventRingBuffer<MIDI::timestamp_t> input_fifo;
-        Glib::Threads::Mutex    output_fifo_lock;
-       CrossThreadChannel      xthread;
+               std::string _connections;
+               PBD::ScopedConnection connect_connection;
+               PBD::ScopedConnection halt_connection;
+               void jack_halted ();
+               void make_connections ();
+               void init (std::string const &, Flags);
 
-        void flush_output_fifo (pframes_t);
+               void flush_output_fifo (pframes_t);
 
-       static pthread_t _process_thread;
+               static pthread_t _process_thread;
 };
 
 } // namespace ARDOUR