2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * @brief Miscellaneous types.
24 #ifndef LIBDCP_TYPES_H
25 #define LIBDCP_TYPES_H
27 #include <boost/shared_ptr.hpp>
28 #include <boost/function.hpp>
38 /** Identifier for a sound channel */
42 CENTRE = 2, ///< centre
43 LFE = 3, ///< low-frequency effects (sub)
44 LS = 4, ///< left surround
45 RS = 5, ///< right surround
46 CHANNEL_7 = 6, ///< channel 7; not sure what this should be called
47 CHANNEL_8 = 7 ///< channel 8; not sure what this should be called
60 PUBLIC_SERVICE_ANNOUNCEMENT,
71 extern std::string effect_to_string (Effect e);
72 extern Effect string_to_effect (std::string s);
81 extern std::string valign_to_string (VAlign a);
82 extern VAlign string_to_valign (std::string s);
91 * @brief A fraction (i.e. a thing with an integer numerator and an integer denominator).
96 /** Construct a fraction of 0/0 */
97 Fraction () : numerator (0), denominator (0) {}
98 Fraction (std::string s);
99 /** Construct a fraction with a specified numerator and denominator.
100 * @param n Numerator.
101 * @param d Denominator.
103 Fraction (int n, int d) : numerator (n), denominator (d) {}
105 float as_float () const {
106 return float (numerator) / denominator;
113 extern bool operator== (Fraction const & a, Fraction const & b);
114 extern bool operator!= (Fraction const & a, Fraction const & b);
116 /** @struct EqualityOptions
117 * @brief A class to describe what "equality" means for a particular test.
119 * When comparing things, we want to be able to ignore some differences;
120 * this class expresses those differences.
122 struct EqualityOptions
124 /** Construct an EqualityOptions where nothing at all can differ */
126 : max_mean_pixel_error (0)
127 , max_std_dev_pixel_error (0)
128 , max_audio_sample_error (0)
129 , cpl_annotation_texts_can_differ (false)
130 , mxf_names_can_differ (false)
131 , reel_hashes_can_differ (false)
134 /** The maximum allowable mean difference in pixel value between two images */
135 double max_mean_pixel_error;
136 /** The maximum standard deviation of the differences in pixel value between two images */
137 double max_std_dev_pixel_error;
138 /** The maximum difference in audio sample value between two soundtracks */
139 int max_audio_sample_error;
140 /** true if the <AnnotationText> nodes of CPLs are allowed to differ */
141 bool cpl_annotation_texts_can_differ;
142 /** true if MXF filenames are allowed to differ */
143 bool mxf_names_can_differ;
144 /** true if <Hash>es in Reels can differ */
145 bool reel_hashes_can_differ;
148 /* I've been unable to make mingw happy with ERROR as a symbol, so
149 I'm using a DCP_ prefix here.
163 MODIFIED_TRANSITIONAL_1,
169 * @brief An RGB colour.
175 Colour (int r_, int g_, int b_);
176 Colour (std::string argb_hex);
178 int r; ///< red component, from 0 to 255
179 int g; ///< green component, from 0 to 255
180 int b; ///< blue component, from 0 to 255
182 std::string to_argb_string () const;
185 extern bool operator== (Colour const & a, Colour const & b);
186 extern bool operator!= (Colour const & a, Colour const & b);
187 extern std::ostream & operator<< (std::ostream & s, Colour const & c);
189 typedef std::pair<std::string, boost::shared_ptr<const parse::AssetMap> > PathAssetMap;
191 typedef boost::function<void (NoteType, std::string)> NoteHandler;