/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 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
*/
/** @file src/dcp_time.cc
- * @brief A representation of time within a DCP.
+ * @brief Time class.
*/
+#include "raw_convert.h"
+#include "dcp_time.h"
+#include "exceptions.h"
+#include <boost/algorithm/string.hpp>
#include <iostream>
#include <vector>
-#include <boost/algorithm/string.hpp>
-#include <boost/lexical_cast.hpp>
#include <cmath>
-#include "dcp_time.h"
-#include "exceptions.h"
using namespace std;
using namespace boost;
-using namespace libdcp;
+using namespace dcp;
Time::Time (int frame, int frames_per_second)
: h (0)
, s (0)
, t (0)
{
- float sec_float = float (frame) / frames_per_second;
- t = (int (floor (sec_float * 1000)) % 1000) / 4;
- s = floor (sec_float);
+ set (double (frame) / frames_per_second);
+}
+
+Time::Time (int64_t ticks)
+{
+ h = ticks / (60 * 60 * 250);
+ ticks -= int64_t (h) * 60 * 60 * 250;
+ m = ticks / (60 * 250);
+ ticks -= int64_t (m) * 60 * 250;
+ s = ticks / 250;
+ ticks -= int64_t (s) * 250;
+ t = ticks;
+}
+
+void
+Time::set (double ss)
+{
+ t = (int (round (ss * 1000)) % 1000) / 4;
+ s = floor (ss);
if (s > 60) {
m = s / 60;
vector<string> b;
split (b, time, is_any_of (":"));
if (b.size() != 4) {
- throw DCPReadError ("unrecognised time specification");
+ boost::throw_exception (DCPReadError ("unrecognised time specification"));
}
- h = lexical_cast<int> (b[0]);
- m = lexical_cast<int> (b[1]);
- s = lexical_cast<int> (b[2]);
- t = lexical_cast<int> (b[3]);
+ h = raw_convert<int> (b[0]);
+ m = raw_convert<int> (b[1]);
+ s = raw_convert<int> (b[2]);
+ t = raw_convert<int> (b[3]);
}
bool
-libdcp::operator== (Time const & a, Time const & b)
+dcp::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)
+dcp::operator!= (Time const & a, Time const & b)
{
return !(a == b);
}
bool
-libdcp::operator<= (Time const & a, Time const & b)
+dcp::operator<= (Time const & a, Time const & b)
{
if (a.h != b.h) {
return a.h <= b.h;
}
bool
-libdcp::operator< (Time const & a, Time const & b)
+dcp::operator< (Time const & a, Time const & b)
{
if (a.h != b.h) {
return a.h < b.h;
}
bool
-libdcp::operator> (Time const & a, Time const & b)
+dcp::operator> (Time const & a, Time const & b)
{
if (a.h != b.h) {
return a.h > b.h;
}
ostream &
-libdcp::operator<< (ostream& s, Time const & t)
+dcp::operator<< (ostream& s, Time const & t)
{
s << t.h << ":" << t.m << ":" << t.s << "." << t.t;
return s;
}
-libdcp::Time
-libdcp::operator+ (Time a, Time const & b)
+dcp::Time
+dcp::operator+ (Time a, Time const & b)
{
Time r;
return r;
}
-libdcp::Time
-libdcp::operator- (Time a, Time const & b)
+dcp::Time
+dcp::operator- (Time a, Time const & b)
{
Time r;
}
float
-libdcp::operator/ (Time a, Time const & b)
+dcp::operator/ (Time a, Time const & b)
{
int64_t const at = a.h * 3600 * 250 + a.m * 60 * 250 + a.s * 250 + a.t;
int64_t const bt = b.h * 3600 * 250 + b.m * 60 * 250 + b.s * 250 + b.t;
int64_t
Time::to_ticks () const
{
- return t + s * 25 + m * 60 * 25 + h * 60 * 60 * 25;
+ return int64_t(t) + int64_t(s) * 250 + int64_t(m) * 60 * 250 + int64_t(h) * 60 * 60 * 250;
}