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/*
Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
This program 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.
This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef LIBSUB_SUB_TIME_H
#define LIBSUB_SUB_TIME_H
#include "frame_rate.h"
#include <boost/optional.hpp>
struct time_construction_test;
namespace sub {
class Time
{
public:
Time ()
: hours (0)
, minutes (0)
, seconds (0)
{}
int hours;
int minutes;
int seconds;
boost::optional<int> frames () const {
return _frames;
}
/** @return the frames part of the time at a particular frame rate */
int frames (FrameRate r) const;
/** @return the whole time in milliseconds */
int64_t as_milliseconds () const;
static Time from_hmsf (int h, int m, int s, int f);
static Time from_hmsf (int h, int m, int s, int f, FrameRate r);
static Time from_hms (int h, int m, double s);
static Time from_hmsm (int h, int m, int s, int ms);
static Time from_frames (int64_t f, FrameRate r);
static Time from_milliseconds (int64_t ms);
bool operator== (Time const & other) const;
bool operator!= (Time const & other) const;
bool operator< (Time const & other) const;
bool operator<= (Time const & other) const;
bool operator> (Time const & other) const;
bool operator>= (Time const & other) const;
private:
friend std::ostream & operator<< (std::ostream& s, Time const & t);
friend Time operator+ (Time const & a, Time const & b);
friend Time operator- (Time const & a, Time const & b);
friend double operator/ (Time const & a, Time const & b);
friend struct ::time_construction_test;
Time (int h, int m, int s, boost::optional<int> ms, boost::optional<int> f, boost::optional<FrameRate> r);
boost::optional<int> _milliseconds;
boost::optional<int> _frames;
boost::optional<FrameRate> _frame_rate;
};
std::ostream& operator<< (std::ostream& s, Time const & t);
Time operator+ (Time const & a, Time const & b);
Time operator- (Time const & a, Time const & b);
double operator/ (Time const & a, Time const & b);
}
#endif
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