/* 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>
+#include <cfloat>
+
+namespace Evoral {
+
/** Frame count (i.e. length of time in audio frames) */
-typedef uint32_t nframes_t;
+typedef uint32_t FrameTime;
+
+/** 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 */
+ return fabs (a - b) <= (1.0/1920.0);
+}
+
+/** Type of an event (opaque, mapped by application) */
+typedef uint32_t EventType;
-/** Time-stamp of an event */
-typedef double timestamp_t;
+/** 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
+};
-/** Duration of time in timestamp_t units */
-typedef timestamp_t timedur_t;
+} // namespace Evoral
#endif // EVORAL_TYPES_HPP