74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
#ifndef TAG_PARSER_MATROSKASEEKINFO_H
|
|
#define TAG_PARSER_MATROSKASEEKINFO_H
|
|
|
|
#include "./ebmlelement.h"
|
|
|
|
#include <utility>
|
|
|
|
namespace TagParser {
|
|
|
|
class TAG_PARSER_EXPORT MatroskaSeekInfo {
|
|
public:
|
|
MatroskaSeekInfo();
|
|
|
|
EbmlElement *seekHeadElement() const;
|
|
const std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &info() const;
|
|
std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &info();
|
|
void shift(std::uint64_t start, std::int64_t amount);
|
|
void parse(EbmlElement *seekHeadElement, Diagnostics &diag);
|
|
void make(std::ostream &stream, Diagnostics &diag);
|
|
std::uint64_t minSize() const;
|
|
std::uint64_t maxSize() const;
|
|
std::uint64_t actualSize() const;
|
|
bool push(unsigned int index, EbmlElement::IdentifierType id, std::uint64_t offset);
|
|
void clear();
|
|
|
|
// these methods seem to be not needed anymore
|
|
static std::pair<EbmlElement::IdentifierType, std::uint64_t> *findSeekInfo(std::vector<MatroskaSeekInfo> &seekInfos, std::uint64_t offset);
|
|
static bool updateSeekInfo(const std::vector<MatroskaSeekInfo> &oldSeekInfos, std::vector<MatroskaSeekInfo> &newSeekInfos,
|
|
std::uint64_t oldOffset, std::uint64_t newOffset);
|
|
static bool updateSeekInfo(std::vector<MatroskaSeekInfo> &newSeekInfos, std::uint64_t oldOffset, std::uint64_t newOffset);
|
|
|
|
private:
|
|
EbmlElement *m_seekHeadElement;
|
|
std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> m_info;
|
|
};
|
|
|
|
/*!
|
|
* \brief Constructs a new MatroskaSeekInfo.
|
|
*/
|
|
inline MatroskaSeekInfo::MatroskaSeekInfo()
|
|
: m_seekHeadElement(nullptr)
|
|
{
|
|
}
|
|
|
|
/*!
|
|
* \brief Returns a pointer to the \a seekHeadElement specified when the parse() method was called.
|
|
*/
|
|
inline EbmlElement *MatroskaSeekInfo::seekHeadElement() const
|
|
{
|
|
return m_seekHeadElement;
|
|
}
|
|
|
|
/*!
|
|
* \brief Returns the seek information gathered when the parse() method was called.
|
|
* \returns Returns the seek information as pairs of element IDs and the associated offsets (relative to the beginning of the file).
|
|
*/
|
|
inline const std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &MatroskaSeekInfo::info() const
|
|
{
|
|
return m_info;
|
|
}
|
|
|
|
/*!
|
|
* \brief Returns a mutable version of the seek information gathered when the parse() method was called.
|
|
* \returns Returns the seek information as pairs of element IDs and the associated offsets (relative to the beginning of the file).
|
|
*/
|
|
inline std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &MatroskaSeekInfo::info()
|
|
{
|
|
return m_info;
|
|
}
|
|
|
|
} // namespace TagParser
|
|
|
|
#endif // TAG_PARSER_MATROSKASEEKINFO_H
|