Add constructor of MonoPictureFrame from a JPEG2000 codestream file.

[libdcp.git] / src / dcp_time.cc

diff --git a/src/dcp_time.cc b/src/dcp_time.cc
index df753efd348364fc7be2a703fd1393a3e996139e..9ce367645c29e6654bb7471c6246d4743c9434ca 100644 (file)
--- a/src/dcp_time.cc
+++ b/src/dcp_time.cc
@@ -1,5 +1,5 @@
 /*
-    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
@@ -18,20 +18,20 @@
 */
 
 /** @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)
@@ -51,22 +51,20 @@ Time::Time (int64_t ticks)
        s = ticks / 250;
        ticks -= int64_t (s) * 250;
        t = ticks;
-
-       std::cout << "Hello: " << h << " " << m << " " << s << " " << t << "\n";
 }
 
 void
 Time::set (double ss)
 {
-       t = (int (round (ss * 1000)) % 1000) / 4;
        s = floor (ss);
+       t = int (round (1000 * (ss - s) / 4));
 
-       if (s > 60) {
+       if (s >= 60) {
                m = s / 60;
                s -= m * 60;
        }
 
-       if (m > 60) {
+       if (m >= 60) {
                h = m / 60;
                m -= h * 60;
        }
@@ -80,26 +78,26 @@ Time::Time (string time)
                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;
@@ -121,7 +119,7 @@ libdcp::operator<= (Time const & a, Time const & 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;
@@ -143,7 +141,7 @@ libdcp::operator< (Time const & a, Time const & 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;
@@ -165,14 +163,14 @@ libdcp::operator> (Time const & a, Time const & b)
 }
 
 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;
 
@@ -199,8 +197,8 @@ libdcp::operator+ (Time a, Time const & b)
        return r;
 }
 
-libdcp::Time
-libdcp::operator- (Time a, Time const & b)
+dcp::Time
+dcp::operator- (Time a, Time const & b)
 {
        Time r;
 
@@ -228,7 +226,7 @@ libdcp::operator- (Time a, Time const & b)
 }
 
 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;
@@ -251,3 +249,8 @@ Time::to_ticks () const
        return int64_t(t) + int64_t(s) * 250 + int64_t(m) * 60 * 250 + int64_t(h) * 60 * 60 * 250;
 }
 
+double
+Time::to_seconds () const
+{
+       return double (to_ticks ()) / 250;
+}