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81 lines
2 KiB
C
81 lines
2 KiB
C
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// The authors have released ID3Lib as Public Domain (PD) and claim no copyright,
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// patent or other intellectual property protection in this work. This means that
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// it may be modified, redistributed and used in commercial and non-commercial
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// software and hardware without restrictions. ID3Lib is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
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//
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// The ID3Lib authors encourage improvements and optimisations to be sent to the
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// ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org). Approved
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// submissions may be altered, and will be included and released under these terms.
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//
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// Mon Nov 23 18:34:01 1998
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#ifndef ID3LIB_HEADER_H
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#define ID3LIB_HEADER_H
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#include "id3_types.h"
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#define MIN_ID3_TAGVERSION 2
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#define MAX_ID3_TAGVERSION 4
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#define ID3_TAGVERSION (3)
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#define ID3_TAGREVISION (0)
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struct ID3_HeaderInfo
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{
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unsigned __int8 version;
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unsigned __int8 revision;
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unsigned __int8 frameIDBytes;
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unsigned __int8 frameSizeBytes;
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unsigned __int8 frameFlagsBytes;
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bool hasExtHeader;
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luint extHeaderBytes;
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bool setExpBit;
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};
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struct ID3_Quirks
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{
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ID3_Quirks() : id3v2_4_itunes_bug(false) {}
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bool id3v2_4_itunes_bug; // itunes doesn't write syncsafe values for 2.4
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};
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class ID3_Header
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{
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public:
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ID3_Header (void);
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void SetVersion(uchar ver, uchar rev);
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void SetDataSize(luint newSize);
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void SetFlags(luint newFlags);
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void SetQuirks(ID3_Quirks &_quirks)
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{
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quirks=_quirks;
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}
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ID3_Quirks &GetQuirks()
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{
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return quirks;
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}
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virtual luint Size(void) = 0;
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virtual luint Render(unsigned __int8 *buffer) = 0;
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// *** PRIVATE INTERNAL DATA - DO NOT USE *** PRIVATE INTERNAL DATA - DO NOT USE ***
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protected:
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unsigned __int8 version; // which version?
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unsigned __int8 revision; // which revision?
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luint dataSize; // how big is the data?
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luint flags; // tag flags
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ID3_HeaderInfo *info; // the info about this version of the headers
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ID3_Quirks quirks;
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};
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ID3_HeaderInfo *ID3_LookupHeaderInfo (uchar ver, uchar rev);
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#endif
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