globals.h

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  ID3E_InvalidTagVersion,       /**< Invalid tag version */
  ID3E_NoFile,                  /**< No file to parse */
  ID3E_ReadOnly,                /**< Attempting to write to a read-only file */
  ID3E_zlibError                /**< Error in compression/uncompression */
};

ID3_ENUM(ID3_ContentType)
{
  ID3CT_OTHER = 0,
  ID3CT_LYRICS,
  ID3CT_TEXTTRANSCRIPTION,
  ID3CT_MOVEMENT,
  ID3CT_EVENTS,
  ID3CT_CHORD,
  ID3CT_TRIVIA
};

ID3_ENUM(ID3_PictureType)
{
  ID3PT_OTHER = 0,
  ID3PT_PNG32ICON = 1,     //  32x32 pixels 'file icon' (PNG only)
  ID3PT_OTHERICON = 2,     // Other file icon
  ID3PT_COVERFRONT = 3,    // Cover (front)
  ID3PT_COVERBACK = 4,     // Cover (back)
  ID3PT_LEAFLETPAGE = 5,   // Leaflet page
  ID3PT_MEDIA = 6,         // Media (e.g. lable side of CD)
  ID3PT_LEADARTIST = 7,    // Lead artist/lead performer/soloist
  ID3PT_ARTIST = 8,        // Artist/performer
  ID3PT_CONDUCTOR = 9,     // Conductor
  ID3PT_BAND = 10,         // Band/Orchestra
  ID3PT_COMPOSER = 11,     // Composer
  ID3PT_LYRICIST = 12,     // Lyricist/text writer
  ID3PT_REC_LOCATION = 13, // Recording Location
  ID3PT_RECORDING = 14,    // During recording
  ID3PT_PERFORMANCE = 15,  // During performance
  ID3PT_VIDEO = 16,        // Movie/video screen capture
  ID3PT_FISH = 17,         // A bright coloured fish
  ID3PT_ILLUSTRATION = 18, // Illustration
  ID3PT_ARTISTLOGO = 19,   // Band/artist logotype
  ID3PT_PUBLISHERLOGO = 20 // Publisher/Studio logotype
};

ID3_ENUM(ID3_TimeStampFormat)
{
  ID3TSF_FRAME  = 1,
  ID3TSF_MS
};

ID3_ENUM(MP3_BitRates)
{
  MP3BITRATE_FALSE = -1,
  MP3BITRATE_NONE = 0,
  MP3BITRATE_8K   = 8000,
  MP3BITRATE_16K  = 16000,
  MP3BITRATE_24K  = 24000,
  MP3BITRATE_32K  = 32000,
  MP3BITRATE_40K  = 40000,
  MP3BITRATE_48K  = 48000,
  MP3BITRATE_56K  = 56000,
  MP3BITRATE_64K  = 64000,
  MP3BITRATE_80K  = 80000,
  MP3BITRATE_96K  = 96000,
  MP3BITRATE_112K = 112000,
  MP3BITRATE_128K = 128000,
  MP3BITRATE_144K = 144000,
  MP3BITRATE_160K = 160000,
  MP3BITRATE_176K = 176000,
  MP3BITRATE_192K = 192000,
  MP3BITRATE_224K = 224000,
  MP3BITRATE_256K = 256000,
  MP3BITRATE_288K = 288000,
  MP3BITRATE_320K = 320000,
  MP3BITRATE_352K = 352000,
  MP3BITRATE_384K = 384000,
  MP3BITRATE_416K = 416000,
  MP3BITRATE_448K = 448000
};

ID3_ENUM(Mpeg_Layers)
{
  MPEGLAYER_FALSE = -1,
  MPEGLAYER_UNDEFINED,
  MPEGLAYER_III,
  MPEGLAYER_II,
  MPEGLAYER_I
};

ID3_ENUM(Mpeg_Version)
{
  MPEGVERSION_FALSE = -1,
  MPEGVERSION_2_5,
  MPEGVERSION_Reserved,
  MPEGVERSION_2,
  MPEGVERSION_1
};

ID3_ENUM(Mp3_Frequencies)
{
  MP3FREQUENCIES_FALSE = -1,
  MP3FREQUENCIES_Reserved = 0,
  MP3FREQUENCIES_8000HZ = 8000,
  MP3FREQUENCIES_11025HZ = 11025,
  MP3FREQUENCIES_12000HZ = 12000,
  MP3FREQUENCIES_16000HZ = 16000,
  MP3FREQUENCIES_22050HZ = 22050,
  MP3FREQUENCIES_24000HZ = 24000,
  MP3FREQUENCIES_32000HZ = 32000,
  MP3FREQUENCIES_48000HZ = 48000,
  MP3FREQUENCIES_44100HZ = 44100,
};

ID3_ENUM(Mp3_ChannelMode)
{
  MP3CHANNELMODE_FALSE = -1,
  MP3CHANNELMODE_STEREO,
  MP3CHANNELMODE_JOINT_STEREO,
  MP3CHANNELMODE_DUAL_CHANNEL,
  MP3CHANNELMODE_SINGLE_CHANNEL
};

ID3_ENUM(Mp3_ModeExt)
{
  MP3MODEEXT_FALSE = -1,
  MP3MODEEXT_0,
  MP3MODEEXT_1,
  MP3MODEEXT_2,
  MP3MODEEXT_3
};

ID3_ENUM(Mp3_Emphasis)
{
  MP3EMPHASIS_FALSE = -1,
  MP3EMPHASIS_NONE,
  MP3EMPHASIS_50_15MS,
  MP3EMPHASIS_Reserved,
  MP3EMPHASIS_CCIT_J17
};

ID3_ENUM(Mp3_Crc)
{
  MP3CRC_ERROR_SIZE = -2,
  MP3CRC_MISMATCH = -1,
  MP3CRC_NONE = 0,
  MP3CRC_OK = 1
};

ID3_STRUCT(Mp3_Headerinfo)
{
  Mpeg_Layers layer;
  Mpeg_Version version;
  MP3_BitRates bitrate;
  Mp3_ChannelMode channelmode;
  Mp3_ModeExt modeext;
  Mp3_Emphasis emphasis;
  Mp3_Crc crc;
  uint32 vbr_bitrate;           // avg bitrate from xing header
  uint32 frequency;             // samplerate
  uint32 framesize;
  uint32 frames;                // nr of frames
  uint32 time;                  // nr of seconds in song
  bool privatebit;
  bool copyrighted;
  bool original;
};

#define ID3_NR_OF_V1_GENRES 148

static const char *ID3_v1_genre_description[ID3_NR_OF_V1_GENRES] =
{
  "Blues",             //0
  "Classic Rock",      //1
  "Country",           //2
  "Dance",             //3
  "Disco",             //4
  "Funk",              //5
  "Grunge",            //6
  "Hip-Hop",           //7
  "Jazz",              //8
  "Metal",             //9
  "New Age",           //10
  "Oldies",            //11
  "Other",             //12
  "Pop",               //13
  "R&B",               //14
  "Rap",               //15
  "Reggae",            //16
  "Rock",              //17
  "Techno",            //18
  "Industrial",        //19
  "Alternative",       //20
  "Ska",               //21
  "Death Metal",       //22
  "Pranks",            //23
  "Soundtrack",        //24
  "Euro-Techno",       //25
  "Ambient",           //26
  "Trip-Hop",          //27
  "Vocal",             //28
  "Jazz+Funk",         //29
  "Fusion",            //30
  "Trance",            //31
  "Classical",         //32
  "Instrumental",      //33
  "Acid",              //34
  "House",             //35
  "Game",              //36
  "Sound Clip",        //37
  "Gospel",            //38
  "Noise",             //39
  "AlternRock",        //40
  "Bass",              //41
  "Soul",              //42
  "Punk",              //43
  "Space",             //44
  "Meditative",        //45
  "Instrumental Pop",  //46
  "Instrumental Rock", //47
  "Ethnic",            //48
  "Gothic",            //49
  "Darkwave",          //50
  "Techno-Industrial", //51
  "Electronic",        //52
  "Pop-Folk",          //53
  "Eurodance",         //54
  "Dream",             //55
  "Southern Rock",     //56
  "Comedy",            //57
  "Cult",              //58
  "Gangsta",           //59
  "Top 40",            //60
  "Christian Rap",     //61
  "Pop/Funk",          //62
  "Jungle",            //63
  "Native American",   //64
  "Cabaret",           //65
  "New Wave",          //66
  "Psychadelic",       //67
  "Rave",              //68
  "Showtunes",         //69
  "Trailer",           //70
  "Lo-Fi",             //71
  "Tribal",            //72
  "Acid Punk",         //73
  "Acid Jazz",         //74
  "Polka",             //75
  "Retro",             //76
  "Musical",           //77
  "Rock & Roll",       //78
  "Hard Rock",         //79
// following are winamp extentions
  "Folk",                  //80
  "Folk-Rock",             //81
  "National Folk",         //82
  "Swing",                 //83
  "Fast Fusion",           //84
  "Bebob",                 //85
  "Latin",                 //86
  "Revival",               //87
  "Celtic",                //88
  "Bluegrass",             //89
  "Avantgarde",            //90
  "Gothic Rock",           //91
  "Progressive Rock",      //92
  "Psychedelic Rock",      //93
  "Symphonic Rock",        //94
  "Slow Rock",             //95
  "Big Band",              //96
  "Chorus",                //97
  "Easy Listening",        //98
  "Acoustic",              //99
  "Humour",                //100
  "Speech",                //101
  "Chanson",               //102
  "Opera",                 //103
  "Chamber Music",         //104
  "Sonata",                //105
  "Symphony",              //106
  "Booty Bass",            //107
  "Primus",                //108
  "Porn Groove",           //109
  "Satire",                //110
  "Slow Jam",              //111
  "Club",                  //112
  "Tango",                 //113
  "Samba",                 //114
  "Folklore",              //115
  "Ballad",                //116
  "Power Ballad",          //117
  "Rhythmic Soul",         //118
  "Freestyle",             //119
  "Duet",                  //120
  "Punk Rock",             //121
  "Drum Solo",             //122
  "A capella",             //123
  "Euro-House",            //124
  "Dance Hall",            //125
  "Goa",                   //126
  "Drum & Bass",           //127
  "Club-House",            //128
  "Hardcore",              //129
  "Terror",                //130
  "Indie",                 //131
  "Britpop",               //132
  "Negerpunk",             //133
  "Polsk Punk",            //134
  "Beat",                  //135
  "Christian Gangsta Rap", //136
  "Heavy Metal",           //137
  "Black Metal",           //138
  "Crossover",             //139
  "Contemporary Christian",//140
  "Christian Rock ",       //141
  "Merengue",              //142
  "Salsa",                 //143
  "Trash Metal",           //144
  "Anime",                 //145
  "JPop",                  //146
  "Synthpop"               //147
};

#define ID3_V1GENRE2DESCRIPTION(x) (x < ID3_NR_OF_V1_GENRES && x >= 0) ? ID3_v1_genre_description[x] : NULL

#define MASK(bits) ((1 << (bits)) - 1)
#define MASK1 MASK(1)
#define MASK2 MASK(2)
#define MASK3 MASK(3)
#define MASK4 MASK(4)
#define MASK5 MASK(5)
#define MASK6 MASK(6)
#define MASK7 MASK(7)
#define MASK8 MASK(8)

/*
 * The following is borrowed from glib.h (http://www.gtk.org)
 */
#ifdef WIN32

/* On native Win32, directory separator is the backslash, and search path
 * separator is the semicolon.
 */
#  define ID3_DIR_SEPARATOR '\\'
#  define ID3_DIR_SEPARATOR_S "\\"
#  define ID3_SEARCHPATH_SEPARATOR ';'
#  define ID3_SEARCHPATH_SEPARATOR_S ";"

#else  /* !WIN32 */

#  ifndef _EMX_
/* Unix */

#    define ID3_DIR_SEPARATOR '/'
#    define ID3_DIR_SEPARATOR_S "/"
#    define ID3_SEARCHPATH_SEPARATOR ':'
#    define ID3_SEARCHPATH_SEPARATOR_S ":"

#  else
/* EMX/OS2 */

#    define ID3_DIR_SEPARATOR '/'
#    define ID3_DIR_SEPARATOR_S "/"
#    define ID3_SEARCHPATH_SEPARATOR ';'
#    define ID3_SEARCHPATH_SEPARATOR_S ";"

#  endif

#endif /* !WIN32 */

#ifndef NULL
#  define NULL ((void*) 0)
#endif

#endif /* _ID3LIB_GLOBALS_H_ */