id3v2Types.h

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#ifndef ID3V2_TYPES
#define ID3V2_TYPES
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "id3v1/id3v1Types.h"
#include <stdbool.h>
#include <stdint.h>
#include <inttypes.h>
 
// data structures
 
#include "id3dependencies/LinkedListLib/include/LinkedList.h"
#include "id3dependencies/HashTableLib/include/hashTable.h"
#include "id3dependencies/ByteStream/include/byteDefines.h"

#define ID3V2_TAG_ID_SIZE 3

#define ID3V2_TAG_ID_MAGIC_NUMBER_H 0x494433

#define ID3V2_TAG_ID_MAGIC_NUMBER_F 0x334449

#define ID3V2_TAG_VERSION_2 2

#define ID3V2_TAG_VERSION_3 3

#define ID3V2_TAG_VERSION_4 4

#define ID3V2_ENCODING_ISO_8859_1 BYTE_ISO_8859_1

#define ID3V2_ENCODING_UTF16LE BYTE_UTF16LE

#define ID3V2_ENCODING_UTF16BE BYTE_UTF16BE

#define ID3V2_ENCODING_UTF8 BYTE_UTF8

#define ID3V2_ENCODING_ASCII BYTE_ASCII

#define ID3V2_ENCODING_OTHER BYTE_OTHER_ENCODING
 
#define ID3V2_FRAME_ID_MAX_SIZE 4

#define ID3V2_FRAME_FLAG_SIZE 2

typedef struct _Id3v2ExtendedTagHeader {
    uint32_t padding;

    uint32_t crc;

    bool update;

    bool tagRestrictions;

    uint8_t restrictions;
} Id3v2ExtendedTagHeader;

typedef struct _Id3v2TagHeader {
    uint8_t majorVersion;

    uint8_t minorVersion;

    uint8_t flags;

    Id3v2ExtendedTagHeader *extendedHeader;
} Id3v2TagHeader;

typedef struct _Id3v2FrameHeader {
    uint8_t id[ID3V2_FRAME_ID_MAX_SIZE];

    bool tagAlterPreservation;

    bool fileAlterPreservation;

    bool readOnly;

    bool unsynchronisation;

    uint32_t decompressionSize;

    uint8_t encryptionSymbol;

    uint8_t groupSymbol;
} Id3v2FrameHeader;

typedef enum _Id3v2ContextType {
    unknown_context = -1,

    noEncoding_context,

    binary_context,

    encodedString_context,

    latin1Encoding_context,

    numeric_context,

    precision_context,

    bit_context,

    iter_context,

    adjustment_context
} Id3v2ContextType;

typedef struct _Id3v2ContentContext {
    Id3v2ContextType type;

    size_t key;

    size_t min;

    size_t max;
} Id3v2ContentContext;

typedef struct _Id3v2ContentEntry {
    void *entry;

    size_t size;
} Id3v2ContentEntry;

typedef struct _Id3v2Frame {
    Id3v2FrameHeader *header;

    List *contexts;

    List *entries;
} Id3v2Frame;

typedef struct _Id3v2Tag {
    Id3v2TagHeader *header;

    List *frames;
} Id3v2Tag;
 
#ifdef __cplusplus
} // extern c end
#endif
 
#endif