1 /* This file is part of Evoral.
2 * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
3 * Copyright (C) 2000-2008 Paul Davis
5 * Evoral is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
10 * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef EVORAL_TYPES_HPP
20 #define EVORAL_TYPES_HPP
27 #include "pbd/debug.h"
31 /** ID of an event (note or other). This must be operable on by glib
35 typedef int32_t event_id_t;
37 /** Musical time: beats relative to some defined origin */
38 typedef double MusicalTime;
39 const MusicalTime MaxMusicalTime = DBL_MAX;
40 const MusicalTime MinMusicalTime = DBL_MIN;
42 static inline bool musical_time_equal (MusicalTime a, MusicalTime b) {
43 /* acceptable tolerance is 1 tick. Nice if there was no magic number here */
44 return fabs (a - b) <= (1.0/1920.0);
47 /** Type of an event (opaque, mapped by application) */
48 typedef uint32_t EventType;
50 /** Type to describe the movement of a time range */
53 RangeMove (T f, double l, T t) : from (f), length (l), to (t) {}
54 T from; ///< start of the range
55 double length; ///< length of the range
56 T to; ///< new start of the range
63 extern uint64_t Sequence;
68 #endif // EVORAL_TYPES_HPP