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/*
Copyright (C) 2012 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.
*/
/** @file src/dcp_time.cc
* @brief A representation of time within a DCP.
*/
#include <iostream>
#include <cmath>
#include "dcp_time.h"
using namespace std;
using namespace libdcp;
Time::Time (int frame, int frames_per_second)
: h (0)
, m (0)
, s (0)
, t (0)
{
float sec_float = float (frame) / frames_per_second;
t = (int (sec_float * 1000) % 1000) / 4;
s = floor (sec_float);
if (s > 60) {
m = s / 60;
s -= m * 60;
}
if (m > 60) {
h = m / 60;
m -= h * 60;
}
}
bool
libdcp::operator== (Time const & a, Time const & b)
{
return (a.h == b.h && a.m == b.m && a.s == b.s && a.t == b.t);
}
bool
libdcp::operator<= (Time const & a, Time const & b)
{
if (a.h != b.h) {
return a.h <= b.h;
}
if (a.m != b.m) {
return a.m <= b.m;
}
if (a.s != b.s) {
return a.s <= b.s;
}
if (a.t != b.t) {
return a.t <= b.t;
}
return true;
}
ostream &
libdcp::operator<< (ostream& s, Time const & t)
{
s << t.h << ":" << t.m << ":" << t.s << "." << t.t;
return s;
}
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