fix crash when copy'ing latent plugins

[ardour.git] / libs / ardour / ardour / ticker.h

diff --git a/libs/ardour/ardour/ticker.h b/libs/ardour/ardour/ticker.h
index 73e5046ac39089609bfd31fe8da4630a0a8efee6..fbca0161d4fd29356807a757cf2d7071cc4cbc27 100644 (file)
--- a/libs/ardour/ardour/ticker.h
+++ b/libs/ardour/ardour/ticker.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2008 Hans Baier 
+    Copyright (C) 2008 Hans Baier
 
     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
@@ -17,58 +17,72 @@
 
     $Id$
 */
-#include <sigc++/sigc++.h>
 
+#include <boost/noncopyable.hpp>
+#include <boost/scoped_ptr.hpp>
+
+#include "pbd/signals.h"
+
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
-#include "midi++/jack.h"
+#include "ardour/session_handle.h"
 
-#ifndef TICKER_H_
-#define TICKER_H_
 
-namespace ARDOUR
-{
+#ifndef __libardour_ticker_h__
+#define __libardour_ticker_h__
+
+namespace ARDOUR {
 
 class Session;
+class MidiPort;
 
-class Ticker : public sigc::trackable
+class LIBARDOUR_API MidiClockTicker : public SessionHandlePtr, boost::noncopyable
 {
 public:
-       Ticker() : _session(0) {};
-       virtual ~Ticker() {};
-       
-       virtual void tick(
-               const nframes_t& transport_frames, 
-               const BBT_Time& transport_bbt, 
-               const SMPTE::Time& transport_smpte) = 0;
-       
-       virtual void set_session(Session& s);
-       virtual void going_away() { _session = 0; }
-
-private:
-       Session* _session;
-};
+       MidiClockTicker ();
+       virtual ~MidiClockTicker();
 
-class MidiClockTicker : public Ticker
-{
-       MidiClockTicker() : _jack_port(0) {};
-       virtual ~MidiClockTicker() {};
-       
-       
-       void tick(
-               const nframes_t& transport_frames, 
-               const BBT_Time& transport_bbt, 
-               const SMPTE::Time& transport_smpte);
-       
-       
-       void going_away() { Ticker::going_away(); _jack_port = 0;}
-       
-       void set_midi_port(MIDI::JACK_MidiPort &port);
-
-private:       
-       MIDI::JACK_MidiPort* _jack_port;
-       
-};
+        void tick (const framepos_t& transport_frames, pframes_t nframes);
+
+       bool has_midi_port() const { return _midi_port != 0; }
+
+       void set_session (Session* s);
+       void session_going_away();
 
+       /// slot for the signal session::MIDIClock_PortChanged
+       void update_midi_clock_port();
+
+       /// slot for the signal session::TransportStateChange
+       void transport_state_changed();
+
+       /// slot for the signal session::TransportLooped
+       void transport_looped();
+
+       /// slot for the signal session::Located
+       void session_located();
+
+       /// pulses per quarter note (default 24)
+       void set_ppqn(int ppqn) { _ppqn = ppqn; }
+
+  private:
+    boost::shared_ptr<MidiPort> _midi_port;
+    int        _ppqn;
+    double     _last_tick;
+    bool       _send_pos;
+    bool       _send_state;
+
+    class Position;
+    boost::scoped_ptr<Position> _pos;
+
+    double one_ppqn_in_frames (framepos_t transport_position);
+
+    void send_midi_clock_event (pframes_t offset, pframes_t nframes);
+    void send_start_event (pframes_t offset, pframes_t nframes);
+    void send_continue_event (pframes_t offset, pframes_t nframes);
+    void send_stop_event (pframes_t offset, pframes_t nframes);
+    void send_position_event (uint32_t midi_clocks, pframes_t offset, pframes_t nframes);
+};
 }
+ // namespace
 
-#endif /* TICKER_H_ */
+#endif /* __libardour_ticker_h__ */