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tdemultimedia/arts/midi/timestampmath.h

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/*
Copyright (C) 2002 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef ARTS_TIMESTAMPMATH_H
#define ARTS_TIMESTAMPMATH_H
#include "artsmidi.h"
#include <kdelibs_export.h>
namespace Arts {
/**
* increments the timestamp by delta
*/
KDE_EXPORT void timeStampInc(TimeStamp& t, const TimeStamp& delta);
/**
* decrements the timestamp by delta
*/
void timeStampDec(TimeStamp& t, const TimeStamp& delta);
/**
* stringifies a timestamp
*/
std::string timeStampToString(const TimeStamp& t);
/**
* converts a timestamp to a double of seconds
*/
double timeStampToDouble(const TimeStamp& t);
/**
* converts a double of seconds to a timestamp
*/
TimeStamp timeStampFromDouble(double d);
/**
* returns the maximum of two timestamps
*/
TimeStamp timeStampMax(const TimeStamp& t1, const TimeStamp& t2);
}
#endif /* ARTS_TIMESTAMPMATH_H */