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/*
Copyright (C) 2014 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_FRAME_TIME_H
#define LIBSUB_FRAME_TIME_H
#include <iostream>
#include <stdint.h>
namespace sub {
/** @class FrameTime
* @brief A time stored in hours, minutes, seconds and frames.
*/
class FrameTime
{
public:
FrameTime ()
: _hours (0)
, _minutes (0)
, _seconds (0)
, _frames (0)
{}
/** @param f Number of frames.
* @param fps Frames per second.
*/
FrameTime (int64_t f, float fps);
FrameTime (int h, int m, int s, int f)
: _hours (h)
, _minutes (m)
, _seconds (s)
, _frames (f)
{}
int hours () const {
return _hours;
}
int minutes () const {
return _minutes;
}
int seconds () const {
return _seconds;
}
int frames () const {
return _frames;
}
std::string timecode () const;
void add (FrameTime t, float fps);
void scale (float f, float fps);
private:
void set_from_frames (int64_t f, float fps);
int _hours;
int _minutes;
int _seconds;
int _frames;
};
bool operator== (FrameTime const & a, FrameTime const & b);
bool operator< (FrameTime const & a, FrameTime const & b);
std::ostream& operator<< (std::ostream&, FrameTime const & t);
}
#endif
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