X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_state_tracker.h;h=f6acb88f238428812849fe13fe904156a8275024;hb=e5c607123588b318f28022488d74790fc1b7bebe;hp=4c15ab1e0f7940d8594b5b38d192d23a938fa8ab;hpb=0569107ddc0d2a8df6ca0a2c8cc16ebe8f3dee99;p=ardour.git diff --git a/libs/ardour/ardour/midi_state_tracker.h b/libs/ardour/ardour/midi_state_tracker.h index 4c15ab1e0f..f6acb88f23 100644 --- a/libs/ardour/ardour/midi_state_tracker.h +++ b/libs/ardour/ardour/midi_state_tracker.h @@ -1,17 +1,17 @@ /* - 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. @@ -21,11 +21,14 @@ #define __ardour_midi_state_tracker_h__ #include - #include "ardour/midi_buffer.h" -namespace ARDOUR { +namespace Evoral { +template 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). @@ -35,18 +38,28 @@ class 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::iterator& from, const MidiBuffer::iterator& to, bool& looped); + void add (uint8_t note, uint8_t chn); + void remove (uint8_t note, uint8_t chn); + void resolve_notes (MidiBuffer& buffer, framepos_t time); + void resolve_notes (Evoral::EventSink& buffer, framepos_t time); + void resolve_notes (MidiSource& src, Evoral::MusicalTime 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& event); - std::bitset<128*16> _active_notes; + uint8_t _active_notes[128*16]; + uint16_t _on; }; } // namespace ARDOUR -#endif // __ardour_midi_state_tracker_h__ +#endif // __ardour_midi_state_tracker_h__