/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 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
#include "colour_conversion.h"
#include "util.h"
#include "md5_digester.h"
+#include "raw_convert.h"
+#include <dcp/chromaticity.h>
#include <dcp/colour_matrix.h>
-#include <dcp/raw_convert.h>
#include <dcp/gamma_transfer_function.h>
#include <dcp/modified_gamma_transfer_function.h>
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
+#include <boost/foreach.hpp>
+#include <iostream>
#include "i18n.h"
using boost::shared_ptr;
using boost::optional;
using boost::dynamic_pointer_cast;
-using dcp::raw_convert;
+
+vector<PresetColourConversion> PresetColourConversion::_presets;
ColourConversion::ColourConversion ()
: dcp::ColourConversion (dcp::ColourConversion::srgb_to_xyz ())
{
-
+
}
ColourConversion::ColourConversion (dcp::ColourConversion conversion_)
: dcp::ColourConversion (conversion_)
{
-
+
}
ColourConversion::ColourConversion (cxml::NodePtr node, int version)
cxml::ConstNodePtr in_node = node->node_child ("InputTransferFunction");
string in_type = in_node->string_child ("Type");
if (in_type == "Gamma") {
- _in.reset (new dcp::GammaTransferFunction (false, in_node->number_child<double> ("Gamma")));
+ _in.reset (new dcp::GammaTransferFunction (in_node->number_child<double> ("Gamma")));
} else if (in_type == "ModifiedGamma") {
_in.reset (new dcp::ModifiedGammaTransferFunction (
- false,
in_node->number_child<double> ("Power"),
in_node->number_child<double> ("Threshold"),
in_node->number_child<double> ("A"),
} else {
/* Version 1.x */
-
+
if (node->bool_child ("InputGammaLinearised")) {
- _in.reset (new dcp::ModifiedGammaTransferFunction (false, node->number_child<float> ("InputGamma"), 0.04045, 0.055, 12.92));
+ _in.reset (new dcp::ModifiedGammaTransferFunction (node->number_child<float> ("InputGamma"), 0.04045, 0.055, 12.92));
} else {
- _in.reset (new dcp::GammaTransferFunction (false, node->number_child<float> ("InputGamma")));
+ _in.reset (new dcp::GammaTransferFunction (node->number_child<float> ("InputGamma")));
}
}
+ _yuv_to_rgb = static_cast<dcp::YUVToRGB> (node->optional_number_child<int>("YUVToRGB").get_value_or (dcp::YUV_TO_RGB_REC601));
+
list<cxml::NodePtr> m = node->node_children ("Matrix");
- for (list<cxml::NodePtr>::iterator i = m.begin(); i != m.end(); ++i) {
- int const ti = (*i)->number_attribute<int> ("i");
- int const tj = (*i)->number_attribute<int> ("j");
- _matrix(ti, tj) = raw_convert<double> ((*i)->content ());
+ if (!m.empty ()) {
+ /* Read in old <Matrix> nodes and convert them to chromaticities */
+ boost::numeric::ublas::matrix<double> C (3, 3);
+ for (list<cxml::NodePtr>::iterator i = m.begin(); i != m.end(); ++i) {
+ int const ti = (*i)->number_attribute<int> ("i");
+ int const tj = (*i)->number_attribute<int> ("j");
+ C(ti, tj) = raw_convert<double> ((*i)->content ());
+ }
+
+ double const rd = C(0, 0) + C(1, 0) + C(2, 0);
+ _red = dcp::Chromaticity (C(0, 0) / rd, C(1, 0) / rd);
+ double const gd = C(0, 1) + C(1, 1) + C(2, 1);
+ _green = dcp::Chromaticity (C(0, 1) / gd, C(1, 1) / gd);
+ double const bd = C(0, 2) + C(1, 2) + C(2, 2);
+ _blue = dcp::Chromaticity (C(0, 2) / bd, C(1, 2) / bd);
+ double const wd = C(0, 0) + C(0, 1) + C(0, 2) + C(1, 0) + C(1, 1) + C(1, 2) + C(2, 0) + C(2, 1) + C(2, 2);
+ _white = dcp::Chromaticity ((C(0, 0) + C(0, 1) + C(0, 2)) / wd, (C(1, 0) + C(1, 1) + C(1, 2)) / wd);
+ } else {
+ /* New-style chromaticities */
+ _red = dcp::Chromaticity (node->number_child<double> ("RedX"), node->number_child<double> ("RedY"));
+ _green = dcp::Chromaticity (node->number_child<double> ("GreenX"), node->number_child<double> ("GreenY"));
+ _blue = dcp::Chromaticity (node->number_child<double> ("BlueX"), node->number_child<double> ("BlueY"));
+ _white = dcp::Chromaticity (node->number_child<double> ("WhiteX"), node->number_child<double> ("WhiteY"));
+ if (node->optional_node_child ("AdjustedWhiteX")) {
+ _adjusted_white = dcp::Chromaticity (
+ node->number_child<double> ("AdjustedWhiteX"), node->number_child<double> ("AdjustedWhiteY")
+ );
+ }
}
-
- _out.reset (new dcp::GammaTransferFunction (true, node->number_child<double> ("OutputGamma")));
+
+ _out.reset (new dcp::GammaTransferFunction (node->number_child<double> ("OutputGamma")));
}
boost::optional<ColourConversion>
in_node->add_child("B")->add_child_text (raw_convert<string> (tf->B ()));
}
- boost::numeric::ublas::matrix<double> matrix = _matrix;
- for (int i = 0; i < 3; ++i) {
- for (int j = 0; j < 3; ++j) {
- xmlpp::Element* m = node->add_child("Matrix");
- m->set_attribute ("i", raw_convert<string> (i));
- m->set_attribute ("j", raw_convert<string> (j));
- m->add_child_text (raw_convert<string> (matrix (i, j)));
- }
+ node->add_child("YUVToRGB")->add_child_text (raw_convert<string> (_yuv_to_rgb));
+ node->add_child("RedX")->add_child_text (raw_convert<string> (_red.x));
+ node->add_child("RedY")->add_child_text (raw_convert<string> (_red.y));
+ node->add_child("GreenX")->add_child_text (raw_convert<string> (_green.x));
+ node->add_child("GreenY")->add_child_text (raw_convert<string> (_green.y));
+ node->add_child("BlueX")->add_child_text (raw_convert<string> (_blue.x));
+ node->add_child("BlueY")->add_child_text (raw_convert<string> (_blue.y));
+ node->add_child("WhiteX")->add_child_text (raw_convert<string> (_white.x));
+ node->add_child("WhiteY")->add_child_text (raw_convert<string> (_white.y));
+ if (_adjusted_white) {
+ node->add_child("AdjustedWhiteX")->add_child_text (raw_convert<string> (_adjusted_white.get().x));
+ node->add_child("AdjustedWhiteY")->add_child_text (raw_convert<string> (_adjusted_white.get().y));
}
node->add_child("OutputGamma")->add_child_text (raw_convert<string> (dynamic_pointer_cast<const dcp::GammaTransferFunction> (_out)->gamma ()));
optional<size_t>
ColourConversion::preset () const
{
- vector<PresetColourConversion> presets = Config::instance()->colour_conversions ();
+ vector<PresetColourConversion> presets = PresetColourConversion::all ();
size_t i = 0;
- while (i < presets.size() && (presets[i].conversion != *this)) {
+ while (i < presets.size() && presets[i].conversion != *this) {
++i;
}
digester.add (tf->B ());
}
- boost::numeric::ublas::matrix<double> matrix = _matrix;
- for (int i = 0; i < 3; ++i) {
- for (int j = 0; j < 3; ++j) {
- digester.add (matrix (i, j));
- }
+ digester.add (_red.x);
+ digester.add (_red.y);
+ digester.add (_green.x);
+ digester.add (_green.y);
+ digester.add (_blue.x);
+ digester.add (_blue.y);
+ digester.add (_white.x);
+ digester.add (_white.y);
+
+ if (_adjusted_white) {
+ digester.add (_adjusted_white.get().x);
+ digester.add (_adjusted_white.get().y);
}
digester.add (dynamic_pointer_cast<const dcp::GammaTransferFunction> (_out)->gamma ());
-
+
return digester.get ();
}
}
-PresetColourConversion::PresetColourConversion (string n, dcp::ColourConversion conversion_)
+PresetColourConversion::PresetColourConversion (string n, string i, dcp::ColourConversion conversion_)
: conversion (conversion_)
, name (n)
+ , id (i)
{
}
}
-void
-PresetColourConversion::as_xml (xmlpp::Node* node) const
-{
- conversion.as_xml (node);
- node->add_child("Name")->add_child_text (name);
-}
-
bool
operator== (ColourConversion const & a, ColourConversion const & b)
{
{
return a.name == b.name && a.conversion == b.conversion;
}
+
+void
+PresetColourConversion::setup_colour_conversion_presets ()
+{
+ _presets.push_back (PresetColourConversion (_("sRGB"), "srgb", dcp::ColourConversion::srgb_to_xyz ()));
+ _presets.push_back (PresetColourConversion (_("Rec. 601"), "rec601", dcp::ColourConversion::rec601_to_xyz ()));
+ _presets.push_back (PresetColourConversion (_("Rec. 709"), "rec709", dcp::ColourConversion::rec709_to_xyz ()));
+ _presets.push_back (PresetColourConversion (_("P3"), "p3", dcp::ColourConversion::p3_to_xyz ()));
+}
+
+PresetColourConversion
+PresetColourConversion::from_id (string s)
+{
+ BOOST_FOREACH (PresetColourConversion const& i, _presets) {
+ if (i.id == s) {
+ return i;
+ }
+ }
+
+ DCPOMATIC_ASSERT (false);
+}
projects / dcpomatic.git / blobdiff