Tag Parser: aspectratio.h Source File

Tag Parser 12.5.2 C++ library for reading and writing MP4 (iTunes), ID3, Vorbis, Opus, FLAC and Matroska tags

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aspectratio.h
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1#ifndef TAG_PARSER_ASPECTRATIO_H
2#define TAG_PARSER_ASPECTRATIO_H
3
4#include "./global.h"
5
6#include <c++utilities/conversion/stringbuilder.h>
7
8#include <cstdint>
9#include <string>
10
11namespace TagParser {
12
13 struct TAG_PARSER_EXPORT AspectRatio {
14 constexpr explicit AspectRatio();
15 explicit AspectRatio(std::uint8_t aspectRatioType);
16 constexpr explicit AspectRatio(std::uint16_t numerator, std::uint16_t denominator);
17 constexpr bool isValid() const;
18 constexpr bool isExtended() const;
19 std::string toString() const;
20
21 std::uint8_t type;
22 std::uint16_t numerator;
23 std::uint16_t denominator;
24};
25
29 constexpr AspectRatio::AspectRatio()
30 : type(0)
31 , numerator(0)
32 , denominator(0)
33{
34}
35
40 constexpr AspectRatio::AspectRatio(std::uint16_t numerator, std::uint16_t denominator)
41 : type(0xFF)
42 , numerator(numerator)
43 , denominator(denominator)
44{
45}
46
50 constexpr bool AspectRatio::isValid() const
51{
52 return type && numerator && denominator;
53}
54
58 constexpr bool AspectRatio::isExtended() const
59{
60 return type == 0xFF;
61}
62
66 inline std::string AspectRatio::toString() const
67{
68 return CppUtilities::argsToString(numerator, " : ", denominator);
69}
70
71} // namespace TagParser
72
73#endif // TAG_PARSER_ASPECTRATIO_H
global.h
TAG_PARSER_EXPORT
#define TAG_PARSER_EXPORT
Marks the symbol to be exported by the tagparser library.
Definition global.h:14
TagParser
Contains all classes and functions of the TagInfo library.
Definition aaccodebook.h:10
TagParser::AspectRatio::numerator
std::uint16_t numerator
Definition aspectratio.h:22
TagParser::AspectRatio::toString
std::string toString() const
Returns the string representation "numerator : denominator".
Definition aspectratio.h:66
TagParser::AspectRatio::type
std::uint8_t type
Definition aspectratio.h:21
TagParser::AspectRatio::denominator
std::uint16_t denominator
Definition aspectratio.h:23
TagParser::AspectRatio::isExtended
constexpr bool isExtended() const
Returns whether numerator and denominator must be read from extended SAR header.
Definition aspectratio.h:58
TagParser::AspectRatio::isValid
constexpr bool isValid() const
Returns an indication whether the aspect ratio is present and valid.
Definition aspectratio.h:50
TagParser::AspectRatio::AspectRatio
constexpr AspectRatio()
Constructs an invalid aspect ratio.
Definition aspectratio.h:29