/*
- Copyright (C) 2008 Paul Davis
+ Copyright (C) 2008 Paul Davis
Author: Torben Hohn
-
+
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 __ardour_midi_state_tracker_h__
#define __ardour_midi_state_tracker_h__
-#include <bitset>
+#include <glibmm/threads.h>
+#include "temporal/beats.h"
#include "ardour/midi_buffer.h"
+namespace Evoral {
+template <typename T> class EventSink;
+}
+
namespace ARDOUR {
+class MidiSource;
/** Tracks played notes, so they can be resolved in potential stuck note
* situations (e.g. looping, transport stop, etc).
*/
-class MidiStateTracker
+class LIBARDOUR_API MidiStateTracker
{
public:
MidiStateTracker();
- bool track (const MidiBuffer::iterator& from, const MidiBuffer::iterator& to);
- void resolve_notes (MidiBuffer& buffer, nframes_t time);
+ void track (const MidiBuffer::const_iterator& from, const MidiBuffer::const_iterator& to);
+ void track (const uint8_t* evbuf);
+ void add (uint8_t note, uint8_t chn);
+ void remove (uint8_t note, uint8_t chn);
+ void resolve_notes (MidiBuffer& buffer, samplepos_t time);
+ void resolve_notes (Evoral::EventSink<samplepos_t>& buffer, samplepos_t time);
+ void resolve_notes (MidiSource& src, const Glib::Threads::Mutex::Lock& lock, Temporal::Beats time);
void dump (std::ostream&);
void reset ();
+ bool empty() const { return _on == 0; }
+ uint16_t on() const { return _on; }
+ bool active (uint8_t note, uint8_t channel) {
+ return _active_notes[(channel*128)+note] > 0;
+ }
-private:
- void track_note_onoffs(const Evoral::MIDIEvent<MidiBuffer::TimeType>& event);
+ template<typename Time>
+ void track (const Evoral::Event<Time>& ev) {
+ track (ev.buffer());
+ }
- std::bitset<128*16> _active_notes;
+private:
+ uint8_t _active_notes[128*16];
+ uint16_t _on;
};
} // namespace ARDOUR
-#endif // __ardour_midi_state_tracker_h__
+#endif // __ardour_midi_state_tracker_h__