winamp/Src/id3v2/id3_header.h

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