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 a3384168d32641f81fb388a7e886aaa4afce685c..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
@@ -18,77 +18,71 @@
     $Id$
 */
 
-#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;  delete this; }
-
-protected:
-       Session* _session;
-};
+       MidiClockTicker ();
+       virtual ~MidiClockTicker();
+
+        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();
 
-class MidiClockTicker : public Ticker
-{
-public:
-       MidiClockTicker() : _jack_port(0), _ppqn(24), _last_tick(0.0) {};
-       virtual ~MidiClockTicker() {};
-       
-       void tick(
-               const nframes_t& transport_frames, 
-               const BBT_Time& transport_bbt, 
-               const SMPTE::Time& transport_smpte);
-       
-       void set_session(Session& s);
-       void going_away() { _jack_port = 0; Ticker::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::PositionChanged
-       void position_changed(nframes_t position);
 
        /// 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:       
-       MIDI::JACK_MidiPort* _jack_port;
-       int                  _ppqn;
-       double               _last_tick;
-       
-       void send_midi_clock_event(nframes_t offset);
-       void send_start_event(nframes_t offset);
-       void send_continue_event(nframes_t offset);
-       void send_stop_event(nframes_t offset);
-};
+  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__ */