118 lines
2.2 KiB
C++
118 lines
2.2 KiB
C++
#ifndef MEDIA_MATROSKATAG_H
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#define MEDIA_MATROSKATAG_H
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#include "./matroskatagfield.h"
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#include "../fieldbasedtag.h"
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namespace Media {
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class EbmlElement;
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class MatroskaTag;
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class LIB_EXPORT MatroskaTagMaker
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{
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friend class MatroskaTag;
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public:
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void make(std::ostream &stream) const;
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const MatroskaTag &tag() const;
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uint64 requiredSize() const;
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private:
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MatroskaTagMaker(MatroskaTag &tag);
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MatroskaTag &m_tag;
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uint64 m_targetsSize;
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uint64 m_simpleTagsSize;
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std::vector<MatroskaTagFieldMaker> m_makers;
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uint64 m_tagSize;
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uint64 m_totalSize;
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};
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/*!
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* \brief Returns the associated tag.
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*/
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inline const MatroskaTag &MatroskaTagMaker::tag() const
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{
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return m_tag;
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}
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/*!
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* \brief Returns the number of bytes which will be written when making the tag.
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*/
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inline uint64 MatroskaTagMaker::requiredSize() const
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{
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return m_totalSize;
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}
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class LIB_EXPORT MatroskaTag : public FieldMapBasedTag<MatroskaTagField>
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{
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public:
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MatroskaTag();
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~MatroskaTag();
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TagType type() const;
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const char *typeName() const;
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TagTextEncoding proposedTextEncoding() const;
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bool canEncodingBeUsed(TagTextEncoding encoding) const;
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bool supportsTarget() const;
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// bool supportsNestedTags() const;
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std::string fieldId(KnownField field) const;
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KnownField knownField(const std::string &id) const;
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void parse(EbmlElement &tagElement);
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MatroskaTagMaker prepareMaking();
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void make(std::ostream &stream);
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private:
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void parseTargets(EbmlElement &targetsElement);
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};
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inline bool MatroskaTag::supportsTarget() const
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{
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return true;
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}
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//inline bool MatroskaTag::supportsNestedTags() const
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//{
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// return true;
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//}
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/*!
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* \brief Constructs a new tag.
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*/
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inline MatroskaTag::MatroskaTag()
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{}
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/*!
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* \brief Destroys the tag.
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*/
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inline MatroskaTag::~MatroskaTag()
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{}
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inline TagType MatroskaTag::type() const
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{
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return TagType::MatroskaTag;
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}
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inline const char *MatroskaTag::typeName() const
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{
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return "Matroska tag";
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}
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inline TagTextEncoding MatroskaTag::proposedTextEncoding() const
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{
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return TagTextEncoding::Utf8;
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}
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inline bool MatroskaTag::canEncodingBeUsed(TagTextEncoding encoding) const
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{
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return encoding == TagTextEncoding::Utf8;
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}
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}
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#endif // MEDIA_MATROSKATAG_H
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