David Robillard
c78108a033
git-svn-id: svn://localhost/ardour2/branches/3.0@5881 d708f5d6-7413-0410-9779-e7cbd77b26cf
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/* This file is part of Evoral.
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* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
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* Copyright (C) 2000-2008 Paul Davis
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*
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* Evoral is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef EVORAL_TYPES_HPP
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#define EVORAL_TYPES_HPP
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#include <stdint.h>
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#include <list>
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#include <cmath>
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namespace Evoral {
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/** Frame count (i.e. length of time in audio frames) */
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typedef uint32_t FrameTime;
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/** Musical time: beats relative to some defined origin */
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typedef double MusicalTime;
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static inline bool musical_time_equal (MusicalTime a, MusicalTime b) {
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/* acceptable tolerance is 1 tick. Nice if there was no magic number here */
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return fabs (a - b) <= (1.0/1920.0);
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}
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/** Type of an event (opaque, mapped by application) */
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typedef uint32_t EventType;
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/** Type to describe the movement of a time range */
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template<typename T>
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struct RangeMove {
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RangeMove (T f, FrameTime l, T t) : from (f), length (l), to (t) {}
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T from; ///< start of the range
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FrameTime length; ///< length of the range
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T to; ///< new start of the range
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};
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} // namespace Evoral
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#endif // EVORAL_TYPES_HPP
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