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/* This file is part of Evoral.
* Copyright (C) 2008 David Robillard <http://drobilla.net>
* Copyright (C) 2000-2008 Paul Davis
*
* Evoral 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.
*
* Evoral 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 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef EVORAL_TYPES_HPP
#define EVORAL_TYPES_HPP
#include <stdint.h>
#include <list>
#include <cmath>
#include <cfloat>
#include "pbd/debug.h"
#include "evoral/visibility.h"
namespace Evoral {
/** ID of an event (note or other). This must be operable on by glib
atomic ops
*/
typedef int32_t event_id_t;
/** Musical time: beats relative to some defined origin */
typedef double MusicalTime;
const MusicalTime MaxMusicalTime = DBL_MAX;
const MusicalTime MinMusicalTime = DBL_MIN;
static inline bool musical_time_equal (MusicalTime a, MusicalTime b) {
/* acceptable tolerance is 1 tick. Nice if there was no magic number here
* -> Timecode::BBT_Time::ticks_per_beat */
return fabs (a - b) <= (1.0/1920.0);
}
static inline bool musical_time_less_than (MusicalTime a, MusicalTime b) {
/* acceptable tolerance is 1 tick. Nice if there was no magic number here */
if (fabs (a - b) <= (1.0/1920.0)) {
return false; /* effectively identical */
} else {
return a < b;
}
}
static inline bool musical_time_greater_than (MusicalTime a, MusicalTime b) {
/* acceptable tolerance is 1 tick. Nice if there was no magic number here */
if (fabs (a - b) <= (1.0/1920.0)) {
return false; /* effectively identical */
} else {
return a > b;
}
}
static inline bool musical_time_greater_or_equal_to (MusicalTime a, MusicalTime b) {
/* acceptable tolerance is 1 tick. Nice if there was no magic number here */
if (fabs (a - b) <= (1.0/1920.0)) {
return true; /* effectively identical, note the "or_equal_to" */
} else {
return a >= b;
}
}
/** Type of an event (opaque, mapped by application) */
typedef uint32_t EventType;
} // namespace Evoral
namespace PBD {
namespace DEBUG {
LIBEVORAL_API extern uint64_t Sequence;
LIBEVORAL_API extern uint64_t Note;
LIBEVORAL_API extern uint64_t ControlList;
}
}
#endif // EVORAL_TYPES_HPP
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