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/*
Copyright (C) 2007 Paul Davis
Author: Dave Robillard
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_model_h__
#define __ardour_midi_model_h__
#include <boost/utility.hpp>
#include <pbd/command.h>
#include <ardour/types.h>
#include <ardour/midi_buffer.h>
namespace ARDOUR {
class Session;
/** This is a slightly higher level (than MidiBuffer) model of MIDI note data.
* Currently it only represents note data, which is represented as complete
* note events (ie with a start time and a duration) rather than separate
* note on and off events (controller data is not here since it's represented
* as an AutomationList)
*/
class MidiModel : public boost::noncopyable {
public:
struct Note {
Note(double s=0, double d=0, uint8_t n=0, uint8_t v=0)
: start(s), duration(d), note(n), velocity(v) {}
inline bool operator==(const Note& other)
{ return start == other.start && note == other.note; }
double start;
double duration;
uint8_t note;
uint8_t velocity;
};
MidiModel(Session& s, size_t size=0);
void clear() { _notes.clear(); }
void start_write();
void end_write(bool delete_stuck=false);
/** Resizes vector if necessary (NOT realtime safe) */
void append(const MidiBuffer& data);
/** Resizes vector if necessary (NOT realtime safe) */
void append(double time, size_t size, Byte* in_buffer);
inline const Note& note_at(unsigned i) const { return _notes[i]; }
inline size_t n_notes() const { return _notes.size(); }
typedef std::vector<Note> Notes;
struct NoteTimeComparator {
inline bool operator() (const Note& a, const Note& b) const {
return a.start < b.start;
}
};
inline Notes& notes() { return _notes; }
inline const Notes& notes() const { return _notes; }
void begin_command();
Command* current_command() { return _command; }
void finish_command();
// Commands
void add_note(const Note& note);
void remove_note(const Note& note);
sigc::signal<void> ContentsChanged;
private:
class MidiEditCommand : public Command
{
public:
MidiEditCommand (MidiModel& m) : _model(m) {}
//MidiEditCommand (MidiModel&, const XMLNode& node);
void operator()();
void undo();
/*int set_state (const XMLNode&);
XMLNode& get_state ();*/
void add_note(const Note& note);
void remove_note(const Note& note);
private:
MidiModel& _model;
std::list<Note> _added_notes;
std::list<Note> _removed_notes;
};
void append_note_on(double time, uint8_t note, uint8_t velocity);
void append_note_off(double time, uint8_t note);
Session& _session;
Notes _notes;
typedef std::vector<size_t> WriteNotes;
WriteNotes _write_notes;
MidiEditCommand* _command; ///< In-progress command
};
} /* namespace ARDOUR */
#endif /* __ardour_midi_model_h__ */
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