94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
#ifndef MEDIA_OGGCONTAINER_H
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#define MEDIA_OGGCONTAINER_H
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#include "oggpage.h"
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#include "oggstream.h"
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#include "oggiterator.h"
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#include "../vorbis/vorbiscomment.h"
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#include "../genericcontainer.h"
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#include <unordered_map>
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#include <tuple>
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namespace Media {
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class MediaFileInfo;
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struct LIB_EXPORT VorbisCommentInfo
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{
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VorbisCommentInfo(std::vector<OggPage>::size_type firstPageIndex, std::vector<OggPage>::size_type firstSegmentIndex, std::vector<OggPage>::size_type tagIndex);
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std::vector<OggPage>::size_type firstPageIndex;
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std::vector<OggPage>::size_type firstSegmentIndex;
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std::vector<OggPage>::size_type lastPageIndex;
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std::vector<OggPage>::size_type lastSegmentIndex;
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std::vector<std::unique_ptr<VorbisComment> >::size_type tagIndex;
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};
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inline VorbisCommentInfo::VorbisCommentInfo(std::vector<OggPage>::size_type firstPageIndex, std::vector<OggPage>::size_type firstSegmentIndex, std::vector<OggPage>::size_type tagIndex) :
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firstPageIndex(firstPageIndex),
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firstSegmentIndex(firstSegmentIndex),
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lastPageIndex(0),
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lastSegmentIndex(0),
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tagIndex(tagIndex)
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{}
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class LIB_EXPORT OggContainer : public GenericContainer<MediaFileInfo, VorbisComment, OggStream, OggPage>
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{
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friend class OggStream;
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public:
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OggContainer(MediaFileInfo &fileInfo, uint64 startOffset);
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~OggContainer();
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bool isChecksumValidationEnabled() const;
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void setChecksumValidationEnabled(bool enabled);
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protected:
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void internalParseHeader();
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void internalParseTags();
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void internalParseTracks();
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void internalMakeFile();
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private:
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void ariseComment(std::vector<OggPage>::size_type pageIndex, std::vector<uint32>::size_type segmentIndex);
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std::unordered_map<uint32, std::vector<std::unique_ptr<OggStream> >::size_type> m_streamsBySerialNo;
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/*!
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* \brief Consists of first page index, first segment index, last page index, last segment index and tag index (in this order).
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*/
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std::list<VorbisCommentInfo> m_commentTable;
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OggIterator m_iterator;
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bool m_validateChecksums;
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};
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/*!
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* \brief Returns whether checksum validation is enabled.
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*
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* If checksum validation is enabled, the parser will validate the OGG pages by
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* checking the CRC32 checksum.
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*
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* \sa setChecksumValidationEnabled()
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*/
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inline bool OggContainer::isChecksumValidationEnabled() const
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{
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return m_validateChecksums;
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}
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/*!
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* \brief Sets whether checksum validation is enabled.
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* \sa isChecksumValidationEnabled()
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*/
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inline void OggContainer::setChecksumValidationEnabled(bool enabled)
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{
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m_validateChecksums = enabled;
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}
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}
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#endif // MEDIA_OGGCONTAINER_H
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