Tag Parser 10.3.1
C++ library for reading and writing MP4 (iTunes), ID3, Vorbis, Opus, FLAC and Matroska tags
matroskatrack.h
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1#ifndef TAG_PARSER_MATROSKATRACK_H
2#define TAG_PARSER_MATROSKATRACK_H
3
4#include "../abstracttrack.h"
5
6namespace TagParser {
7
8class EbmlElement;
9class MatroskaContainer;
10class MatroskaTrack;
11class MatroskaTag;
12
14 friend class MatroskaTrack;
15
16public:
17 void make(std::ostream &stream) const;
18 const MatroskaTrack &track() const;
19 std::uint64_t requiredSize() const;
20
21private:
23
24 const MatroskaTrack &m_track;
25 const std::string &m_language;
26 const std::string &m_languageIETF;
27 std::uint64_t m_dataSize;
28 std::uint64_t m_requiredSize;
29 std::uint8_t m_sizeDenotationLength;
30};
31
36{
37 return m_track;
38}
39
43inline std::uint64_t MatroskaTrackHeaderMaker::requiredSize() const
44{
45 return m_requiredSize;
46}
47
49 friend class MatroskaContainer;
51
52public:
53 MatroskaTrack(EbmlElement &trackElement);
54 ~MatroskaTrack() override;
55
56 TrackType type() const override;
57
58 static MediaFormat codecIdToMediaFormat(const std::string &codecId);
59 void readStatisticsFromTags(const std::vector<std::unique_ptr<MatroskaTag>> &tags, Diagnostics &diag);
60 MatroskaTrackHeaderMaker prepareMakingHeader(Diagnostics &diag) const;
61 void makeHeader(std::ostream &stream, Diagnostics &diag) const;
62
63protected:
64 void internalParseHeader(Diagnostics &diag, AbortableProgressFeedback &progress) override;
65
66private:
67 template <typename PropertyType, typename ConversionFunction>
68 void assignPropertyFromTagValue(const std::unique_ptr<MatroskaTag> &tag, std::string_view fieldId, PropertyType &integer,
69 const ConversionFunction &conversionFunction, Diagnostics &diag);
70
71 EbmlElement *m_trackElement;
72};
73
87{
88 return MatroskaTrackHeaderMaker(*this, diag);
89}
90
98inline void MatroskaTrack::makeHeader(std::ostream &stream, Diagnostics &diag) const
99{
100 prepareMakingHeader(diag).make(stream);
101}
102
103} // namespace TagParser
104
105#endif // TAG_PARSER_MATROSKATRACK_H
The AbortableProgressFeedback class provides feedback about an ongoing operation via callbacks.
The AbstractTrack class parses and stores technical information about video, audio and other kinds of...
Definition: abstracttrack.h:65
The Diagnostics class is a container for DiagMessage.
Definition: diagnostics.h:156
The EbmlElement class helps to parse EBML files such as Matroska files.
Definition: ebmlelement.h:32
Implementation of GenericContainer<MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement>.
The MatroskaTrackHeaderMaker class helps writing Matroska "TrackEntry"-elements storing track header ...
Definition: matroskatrack.h:13
std::uint64_t requiredSize() const
Returns the number of bytes which will be written when calling make().
Definition: matroskatrack.h:43
const MatroskaTrack & track() const
Returns the number of bytes which will be written when making the track.
Definition: matroskatrack.h:35
void make(std::ostream &stream) const
Saves the header for the track (specified when constructing the object) to the specified stream (make...
Implementation of TagParser::AbstractTrack for the Matroska container.
Definition: matroskatrack.h:48
MatroskaTrackHeaderMaker prepareMakingHeader(Diagnostics &diag) const
Prepares making header.
Definition: matroskatrack.h:86
void makeHeader(std::ostream &stream, Diagnostics &diag) const
Writes header information to the specified stream (makes a "TrackEntry"-element).
Definition: matroskatrack.h:98
friend class MatroskaTrackHeaderMaker
Definition: matroskatrack.h:50
The MediaFormat class specifies the format of media data.
Definition: mediaformat.h:246
#define TAG_PARSER_EXPORT
Marks the symbol to be exported by the tagparser library.
Contains all classes and functions of the TagInfo library.
Definition: aaccodebook.h:10
TrackType
The TrackType enum specifies the underlying file type of a track and the concrete class of the track ...
Definition: abstracttrack.h:31