/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of libdcp.
+
+ libdcp 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,
+ libdcp 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.
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
+
/** @file src/types.h
- * @brief Miscellaneous types.
+ * @brief Miscellaneous types
*/
+
#ifndef LIBDCP_TYPES_H
#define LIBDCP_TYPES_H
+
+#include <libcxml/cxml.h>
+#include <asdcp/KLV.h>
+#include <memory>
+#include <boost/function.hpp>
#include <string>
-namespace libdcp
+
+/* MinGW seems to define this, but we want to use it */
+#undef ERROR
+
+
+namespace xmlpp {
+ class Element;
+}
+
+
+namespace dcp
+{
+
+
+/** @struct Size
+ * @brief The integer, two-dimensional size of something.
+ */
+struct Size
{
+ Size ()
+ : width (0)
+ , height (0)
+ {}
+
+ Size (int w, int h)
+ : width (w)
+ , height (h)
+ {}
+
+ float ratio () const {
+ return float (width) / height;
+ }
+
+ int width;
+ int height;
+};
+
+
+extern bool operator== (Size const & a, Size const & b);
+extern bool operator!= (Size const & a, Size const & b);
+
/** Identifier for a sound channel */
-enum Channel {
+enum class Channel {
LEFT = 0, ///< left
RIGHT = 1, ///< right
CENTRE = 2, ///< centre
LFE = 3, ///< low-frequency effects (sub)
LS = 4, ///< left surround
RS = 5, ///< right surround
- CHANNEL_7 = 6, ///< channel 7; not sure what this should be called
- CHANNEL_8 = 7 ///< channel 8; not sure what this should be called
+ HI = 6,
+ VI = 7,
+ /* 8 and 9 are not used */
+ BSL = 10,
+ BSR = 11,
+ MOTION_DATA = 12,
+ SYNC_SIGNAL = 13,
+ SIGN_LANGUAGE = 14,
+ /* 15 is not used */
+ CHANNEL_COUNT = 16
+};
+
+
+std::vector<dcp::Channel> used_audio_channels ();
+
+
+enum class MCASoundField
+{
+ FIVE_POINT_ONE,
+ SEVEN_POINT_ONE
};
-enum ContentKind
+
+extern std::string channel_to_mca_id (Channel c, MCASoundField field);
+extern Channel mca_id_to_channel (std::string);
+extern std::string channel_to_mca_name (Channel c, MCASoundField field);
+extern ASDCP::UL channel_to_mca_universal_label (Channel c, MCASoundField field, ASDCP::Dictionary const* dict);
+
+
+enum class ContentKind
{
FEATURE,
SHORT,
TEASER,
POLICY,
PUBLIC_SERVICE_ANNOUNCEMENT,
- ADVERTISEMENT
+ ADVERTISEMENT,
+ EPISODE,
+ PROMO
};
-enum Effect
+
+extern std::string content_kind_to_string (ContentKind kind);
+extern ContentKind content_kind_from_string (std::string kind);
+
+
+enum class Effect
{
NONE,
BORDER,
SHADOW
};
+
extern std::string effect_to_string (Effect e);
extern Effect string_to_effect (std::string s);
-enum VAlign
+
+enum class HAlign
{
- TOP,
- CENTER,
- BOTTOM
+ LEFT, ///< horizontal position is distance from left of screen to left of subtitle
+ CENTER, ///< horizontal position is distance from centre of screen to centre of subtitle
+ RIGHT, ///< horizontal position is distance from right of screen to right of subtitle
};
+
+extern std::string halign_to_string (HAlign a);
+extern HAlign string_to_halign (std::string s);
+
+
+enum class VAlign
+{
+ TOP, ///< vertical position is distance from top of screen to top of subtitle
+ CENTER, ///< vertical position is distance from centre of screen to centre of subtitle
+ BOTTOM ///< vertical position is distance from bottom of screen to bottom of subtitle
+};
+
+
extern std::string valign_to_string (VAlign a);
extern VAlign string_to_valign (std::string s);
-enum Eye
+
+/** Direction for subtitle test */
+enum class Direction
{
- EYE_LEFT,
- EYE_RIGHT
+ LTR, ///< left-to-right
+ RTL, ///< right-to-left
+ TTB, ///< top-to-bottom
+ BTT ///< bottom-to-top
};
-
+
+
+extern std::string direction_to_string (Direction a);
+extern Direction string_to_direction (std::string s);
+
+
+enum class Eye
+{
+ LEFT,
+ RIGHT
+};
+
+
+/** @class Fraction
+ * @brief A fraction (i.e. a thing with an integer numerator and an integer denominator).
+ */
class Fraction
{
public:
- Fraction () : numerator (0), denominator (0) {}
- Fraction (std::string s);
+ /** Construct a fraction of 0/0 */
+ Fraction () {}
+ explicit Fraction (std::string s);
+ /** Construct a fraction with a specified numerator and denominator.
+ * @param n Numerator.
+ * @param d Denominator.
+ */
Fraction (int n, int d) : numerator (n), denominator (d) {}
- int numerator;
- int denominator;
+ float as_float () const {
+ return float (numerator) / denominator;
+ }
+
+ std::string as_string () const;
+
+ int numerator = 0;
+ int denominator = 0;
};
+
extern bool operator== (Fraction const & a, Fraction const & b);
extern bool operator!= (Fraction const & a, Fraction const & b);
-
-struct EqualityOptions {
- EqualityOptions ()
- : max_mean_pixel_error (0)
- , max_std_dev_pixel_error (0)
- , max_audio_sample_error (0)
- {}
- double max_mean_pixel_error;
- double max_std_dev_pixel_error;
- int max_audio_sample_error;
+
+/** @struct EqualityOptions
+ * @brief A class to describe what "equality" means for a particular test.
+ *
+ * When comparing things, we want to be able to ignore some differences;
+ * this class expresses those differences.
+ *
+ * It also contains some settings for how the comparison should be done.
+ */
+struct EqualityOptions
+{
+ /** Construct an EqualityOptions where nothing at all can differ */
+ EqualityOptions () {}
+
+ /** The maximum allowable mean difference in pixel value between two images */
+ double max_mean_pixel_error = 0;
+ /** The maximum standard deviation of the differences in pixel value between two images */
+ double max_std_dev_pixel_error = 0;
+ /** The maximum difference in audio sample value between two soundtracks */
+ int max_audio_sample_error = 0;
+ /** true if the <AnnotationText> nodes of CPLs are allowed to differ */
+ bool cpl_annotation_texts_can_differ = false;
+ /** true if the <AnnotationText> nodes of Reels are allowed to differ */
+ bool reel_annotation_texts_can_differ = false;
+ /** true if <Hash>es in Reels can differ */
+ bool reel_hashes_can_differ = false;
+ /** true if IssueDate nodes can differ */
+ bool issue_dates_can_differ = false;
+ bool load_font_nodes_can_differ = false;
+ bool keep_going = false;
+ /** true to save the first pair of differeng image subtitles to the current working directory */
+ bool export_differing_subtitles = false;
+};
+
+
+enum class NoteType {
+ PROGRESS,
+ ERROR,
+ NOTE
+};
+
+
+enum class Standard {
+ INTEROP,
+ SMPTE
};
-/** @class Color
- * @brief An RGB color (aka colour).
+
+enum class Formulation {
+ MODIFIED_TRANSITIONAL_1,
+ MULTIPLE_MODIFIED_TRANSITIONAL_1,
+ DCI_ANY,
+ DCI_SPECIFIC,
+ /** For testing: adds no AuthorizedDeviceInfo tag */
+ MODIFIED_TRANSITIONAL_TEST
+};
+
+
+/** @class Colour
+ * @brief An RGB colour
*/
-class Color
+class Colour
{
public:
- Color ();
- Color (int r_, int g_, int b_);
- Color (std::string argb_hex);
+ /** Construct a Colour, initialising it to black */
+ Colour ();
- int r; ///< red component, from 0 to 255
- int g; ///< green component, from 0 to 255
- int b; ///< blue component, from 0 to 255
+ /** Construct a Colour from R, G and B. The values run between
+ * 0 and 255.
+ */
+ Colour (int r_, int g_, int b_);
+ /** Construct a Colour from an ARGB hex string; the alpha value is ignored.
+ * @param argb_hex A string of the form AARRGGBB, where e.g. RR is a two-character
+ * hex value.
+ */
+ explicit Colour (std::string argb_hex);
+
+ int r = 0; ///< red component, from 0 to 255
+ int g = 0; ///< green component, from 0 to 255
+ int b = 0; ///< blue component, from 0 to 255
+
+ /** @return An RGB string of the form RRGGBB, where e.g. RR is a two-character
+ * hex value.
+ */
+ std::string to_rgb_string () const;
+
+ /** @return An ARGB string of the form AARRGGBB, where e.g. RR is a two-character
+ * hex value. The alpha value will always be FF (ie 255; maximum alpha).
+ */
std::string to_argb_string () const;
};
-extern bool operator== (Color const & a, Color const & b);
-extern bool operator!= (Color const & a, Color const & b);
-extern std::ostream & operator<< (std::ostream & s, Color const & c);
+
+extern bool operator== (Colour const & a, Colour const & b);
+extern bool operator!= (Colour const & a, Colour const & b);
+
+
+typedef boost::function<void (NoteType, std::string)> NoteHandler;
+
+
+/** Maximum absolute difference between dcp::SubtitleString::aspect_adjust values that
+ * are considered equal
+ */
+constexpr float ASPECT_ADJUST_EPSILON = 1e-3;
+
+
+/** Maximum absolute difference between dcp::SubtitleString alignment values that
+ * are considered equal.
+ */
+constexpr float ALIGN_EPSILON = 1e-3;
+
+
+enum class Marker {
+ FFOC, ///< first frame of composition
+ LFOC, ///< last frame of composition
+ FFTC, ///< first frame of title credits
+ LFTC, ///< last frame of title credits
+ FFOI, ///< first frame of intermission
+ LFOI, ///< last frame of intermission
+ FFEC, ///< first frame of end credits
+ LFEC, ///< last frame of end credits
+ FFMC, ///< first frame of moving credits
+ LFMC ///< last frame of moving credits
+};
+
+
+std::string marker_to_string (Marker);
+Marker marker_from_string (std::string);
+
+
+class Rating
+{
+public:
+ Rating (std::string agency_, std::string label_)
+ : agency (agency_)
+ , label (label_)
+ {}
+
+ explicit Rating (cxml::ConstNodePtr node);
+
+ void as_xml (xmlpp::Element* parent) const;
+
+ /** URI of the agency issuing the rating */
+ std::string agency;
+ /** Rating (e.g. PG, PG-13, 12A etc) */
+ std::string label;
+};
+
+
+extern bool operator== (Rating const & a, Rating const & b);
+
+
+enum class Status
+{
+ FINAL, ///< final version
+ TEMP, ///< temporary version (picture/sound unfinished)
+ PRE ///< pre-release (picture/sound finished)
+};
+
+
+extern std::string status_to_string (Status s);
+extern Status string_to_status (std::string s);
+
+
+class ContentVersion
+{
+public:
+ ContentVersion ();
+
+ explicit ContentVersion (cxml::ConstNodePtr node);
+
+ explicit ContentVersion (std::string label_text_);
+
+ ContentVersion (std::string id_, std::string label_text_)
+ : id (id_)
+ , label_text (label_text_)
+ {}
+
+ void as_xml (xmlpp::Element* parent) const;
+
+ std::string id;
+ std::string label_text;
+};
+
+
+class Luminance
+{
+public:
+ enum class Unit {
+ CANDELA_PER_SQUARE_METRE,
+ FOOT_LAMBERT
+ };
+
+ Luminance (cxml::ConstNodePtr node);
+
+ Luminance (float value, Unit unit);
+
+ void set_value (float v);
+ void set_unit (Unit u) {
+ _unit = u;
+ }
+
+ float value () const {
+ return _value;
+ }
+
+ Unit unit () const {
+ return _unit;
+ }
+
+ void as_xml (xmlpp::Element* parent, std::string ns) const;
+
+ static std::string unit_to_string (Unit u);
+ static Unit string_to_unit (std::string u);
+
+private:
+ float _value;
+ Unit _unit;
+};
+
+
+bool operator== (Luminance const& a, Luminance const& b);
+
+
+class MainSoundConfiguration
+{
+public:
+ MainSoundConfiguration (std::string);
+ MainSoundConfiguration (MCASoundField field_, int channels);
+
+ MCASoundField field () const {
+ return _field;
+ }
+
+ int channels () const {
+ return _channels.size();
+ }
+
+ boost::optional<Channel> mapping (int index) const;
+ void set_mapping (int index, Channel channel);
+
+ std::string to_string () const;
+
+private:
+ MCASoundField _field;
+ std::vector<boost::optional<Channel> > _channels;
+};
+
}
+
#endif