75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
#ifndef MEDIA_MATROSKASEEKINFO_H
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#define MEDIA_MATROSKASEEKINFO_H
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#include "./ebmlelement.h"
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#include "../statusprovider.h"
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#include <utility>
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namespace Media {
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class TAG_PARSER_EXPORT MatroskaSeekInfo : public StatusProvider
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{
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public:
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MatroskaSeekInfo();
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EbmlElement *seekHeadElement() const;
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const std::vector<std::pair<EbmlElement::IdentifierType, uint64> > &info() const;
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std::vector<std::pair<EbmlElement::IdentifierType, uint64> > &info();
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void shift(uint64 start, int64 amount);
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void parse(EbmlElement *seekHeadElement);
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void make(std::ostream &stream);
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uint64 minSize() const;
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uint64 maxSize() const;
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uint64 actualSize() const;
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bool push(unsigned int index, EbmlElement::IdentifierType id, uint64 offset);
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void clear();
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// these methods seem to be not needed anymore
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static std::pair<EbmlElement::IdentifierType, uint64> *findSeekInfo(std::vector<MatroskaSeekInfo> &seekInfos, uint64 offset);
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static bool updateSeekInfo(const std::vector<MatroskaSeekInfo> &oldSeekInfos, std::vector<MatroskaSeekInfo> &newSeekInfos, uint64 oldOffset, uint64 newOffset);
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static bool updateSeekInfo(std::vector<MatroskaSeekInfo> &newSeekInfos, uint64 oldOffset, uint64 newOffset);
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private:
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EbmlElement *m_seekHeadElement;
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std::vector<std::pair<EbmlElement::IdentifierType, uint64> > m_info;
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};
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/*!
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* \brief Constructs a new MatroskaSeekInfo.
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*/
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inline MatroskaSeekInfo::MatroskaSeekInfo() :
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m_seekHeadElement(nullptr)
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{}
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/*!
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* \brief Returns a pointer to the \a seekHeadElement specified when the parse() method was called.
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*/
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inline EbmlElement *MatroskaSeekInfo::seekHeadElement() const
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{
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return m_seekHeadElement;
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}
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/*!
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* \brief Returns the seek information gathered when the parse() method was called.
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* \returns Returns the seek information as pairs of element IDs and the associated offsets (relative to the beginning of the file).
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*/
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inline const std::vector<std::pair<EbmlElement::IdentifierType, uint64> > &MatroskaSeekInfo::info() const
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{
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return m_info;
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}
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/*!
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* \brief Returns a mutable version of the seek information gathered when the parse() method was called.
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* \returns Returns the seek information as pairs of element IDs and the associated offsets (relative to the beginning of the file).
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*/
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inline std::vector<std::pair<EbmlElement::IdentifierType, uint64> > &MatroskaSeekInfo::info()
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{
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return m_info;
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}
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}
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#endif // MEDIA_MATROSKASEEKINFO_H
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