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/* This file is part of Evoral.
* Copyright (C) 2008 Dave 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>
namespace Evoral {
/** Frame count (i.e. length of time in audio frames) */
typedef uint32_t FrameTime;
/** Musical time: beats relative to some defined origin */
typedef double MusicalTime;
static inline bool musical_time_equal (MusicalTime a, MusicalTime b) {
/* acceptable tolerance is 1 tick. Nice if there was no magic number here */
return fabs (a - b) <= (1.0/1920.0);
}
/** Type of an event (opaque, mapped by application) */
typedef uint32_t EventType;
/** Type to describe the movement of a time range */
template<typename T>
struct RangeMove {
RangeMove (T f, FrameTime l, T t) : from (f), length (l), to (t) {}
T from; ///< start of the range
FrameTime length; ///< length of the range
T to; ///< new start of the range
};
} // namespace Evoral
#endif // EVORAL_TYPES_HPP
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