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230 lines
10 KiB
Go
230 lines
10 KiB
Go
package id3
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import (
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"github.com/wader/fq/format"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/interp"
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"github.com/wader/fq/pkg/scalar"
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)
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// TODO: comment 28 long, zero byte, track number
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func init() {
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interp.RegisterFormat(decode.Format{
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Name: format.ID3V1,
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Description: "ID3v1 metadata",
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DecodeFn: id3v1Decode,
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})
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}
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// Decode ID3v1 tag
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func id3v1Decode(d *decode.D, _ any) any {
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d.AssertAtLeastBitsLeft(128 * 8)
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d.FieldUTF8("magic", 3, d.AssertStr("TAG"))
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if d.PeekBits(8) == uint64('+') {
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d.Errorf("looks like id3v11")
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}
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d.FieldUTF8NullFixedLen("song_name", 30)
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d.FieldUTF8NullFixedLen("artist", 30)
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d.FieldUTF8NullFixedLen("album_name", 30)
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d.FieldUTF8NullFixedLen("year", 4)
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d.FieldUTF8NullFixedLen("comment", 30)
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// from https://en.wikipedia.org/wiki/List_of_ID3v1_Genres
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d.FieldU8("genre", scalar.UToScalar{
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0: {Sym: "blues", Description: "Blues"},
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1: {Sym: "classic_rock", Description: "Classic Rock"},
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2: {Sym: "country", Description: "Country"},
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3: {Sym: "dance", Description: "Dance"},
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4: {Sym: "disco", Description: "Disco"},
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5: {Sym: "funk", Description: "Funk"},
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6: {Sym: "grunge", Description: "Grunge"},
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7: {Sym: "hiphop", Description: "Hip-Hop"},
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8: {Sym: "jazz", Description: "Jazz"},
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9: {Sym: "metal", Description: "Metal"},
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10: {Sym: "new_age", Description: "New Age"},
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11: {Sym: "oldies", Description: "Oldies"},
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12: {Sym: "other", Description: "Other"},
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13: {Sym: "pop", Description: "Pop"},
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14: {Sym: "rhythm_and_blues", Description: "Rhythm and Blues"},
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15: {Sym: "rap", Description: "Rap"},
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16: {Sym: "reggae", Description: "Reggae"},
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17: {Sym: "rock", Description: "Rock"},
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18: {Sym: "techno", Description: "Techno"},
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19: {Sym: "industrial", Description: "Industrial"},
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20: {Sym: "alternative", Description: "Alternative"},
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21: {Sym: "ska", Description: "Ska"},
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22: {Sym: "death_metal", Description: "Death Metal"},
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23: {Sym: "pranks", Description: "Pranks"},
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24: {Sym: "soundtrack", Description: "Soundtrack"},
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25: {Sym: "euro_techno", Description: "Euro-Techno"},
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26: {Sym: "ambient", Description: "Ambient"},
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27: {Sym: "triphop", Description: "Trip-Hop"},
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28: {Sym: "vocal", Description: "Vocal"},
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29: {Sym: "jazz_funk", Description: "Jazz & Funk"},
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30: {Sym: "fusion", Description: "Fusion"},
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31: {Sym: "trance", Description: "Trance"},
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32: {Sym: "classical", Description: "Classical"},
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33: {Sym: "instrumental", Description: "Instrumental"},
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34: {Sym: "acid", Description: "Acid"},
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35: {Sym: "house", Description: "House"},
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36: {Sym: "game", Description: "Game"},
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37: {Sym: "sound_clip", Description: "Sound clip"},
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38: {Sym: "gospel", Description: "Gospel"},
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39: {Sym: "noise", Description: "Noise"},
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40: {Sym: "alternative_rock", Description: "Alternative Rock"},
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41: {Sym: "bass", Description: "Bass"},
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42: {Sym: "soul", Description: "Soul"},
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43: {Sym: "punk", Description: "Punk"},
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44: {Sym: "space", Description: "Space"},
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45: {Sym: "meditative", Description: "Meditative"},
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46: {Sym: "instrumental_pop", Description: "Instrumental Pop"},
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47: {Sym: "instrumental_rock", Description: "Instrumental Rock"},
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48: {Sym: "ethnic", Description: "Ethnic"},
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49: {Sym: "gothic", Description: "Gothic"},
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50: {Sym: "darkwave", Description: "Darkwave"},
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51: {Sym: "techno-industrial", Description: "Techno-Industrial"},
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52: {Sym: "electronic", Description: "Electronic"},
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53: {Sym: "pop-folk", Description: "Pop-Folk"},
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54: {Sym: "eurodance", Description: "Eurodance"},
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55: {Sym: "dream", Description: "Dream"},
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56: {Sym: "southern_rock", Description: "Southern Rock"},
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57: {Sym: "comedy", Description: "Comedy"},
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58: {Sym: "cult", Description: "Cult"},
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59: {Sym: "gangsta", Description: "Gangsta"},
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60: {Sym: "top_40", Description: "Top 40"},
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61: {Sym: "christian_rap", Description: "Christian Rap"},
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62: {Sym: "pop_funk", Description: "Pop/Funk"},
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63: {Sym: "jungle_music", Description: "Jungle music"},
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64: {Sym: "native_us", Description: "Native US"},
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65: {Sym: "cabaret", Description: "Cabaret"},
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66: {Sym: "new_wave", Description: "New Wave"},
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67: {Sym: "psychedelic", Description: "Psychedelic"},
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68: {Sym: "rave", Description: "Rave"},
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69: {Sym: "showtunes", Description: "Showtunes"},
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70: {Sym: "trailer", Description: "Trailer"},
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71: {Sym: "lo-fi", Description: "Lo-Fi"},
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72: {Sym: "tribal", Description: "Tribal"},
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73: {Sym: "acid_punk", Description: "Acid Punk"},
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74: {Sym: "acid_jazz", Description: "Acid Jazz"},
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75: {Sym: "polka", Description: "Polka"},
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76: {Sym: "retro", Description: "Retro"},
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77: {Sym: "musical", Description: "Musical"},
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78: {Sym: "rock_n_roll", Description: "Rock ’n’ Roll"},
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79: {Sym: "hard_rock", Description: "Hard Rock"},
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80: {Sym: "folk", Description: "Folk"},
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81: {Sym: "folk-rock", Description: "Folk-Rock"},
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82: {Sym: "national_folk", Description: "National Folk"},
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83: {Sym: "swing", Description: "Swing"},
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84: {Sym: "fast_fusion", Description: "Fast Fusion"},
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85: {Sym: "bebop", Description: "Bebop"},
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86: {Sym: "latin", Description: "Latin"},
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87: {Sym: "revival", Description: "Revival"},
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88: {Sym: "celtic", Description: "Celtic"},
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89: {Sym: "bluegrass", Description: "Bluegrass"},
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90: {Sym: "avantgarde", Description: "Avantgarde"},
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91: {Sym: "gothic_rock", Description: "Gothic Rock"},
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92: {Sym: "progressive_rock", Description: "Progressive Rock"},
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93: {Sym: "psychedelic_rock", Description: "Psychedelic Rock"},
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94: {Sym: "symphonic_rock", Description: "Symphonic Rock"},
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95: {Sym: "slow_rock", Description: "Slow Rock"},
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96: {Sym: "big_band", Description: "Big Band"},
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97: {Sym: "chorus", Description: "Chorus"},
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98: {Sym: "easy_listening", Description: "Easy Listening"},
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99: {Sym: "acoustic", Description: "Acoustic"},
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100: {Sym: "humour", Description: "Humour"},
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101: {Sym: "speech", Description: "Speech"},
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102: {Sym: "chanson", Description: "Chanson"},
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103: {Sym: "opera", Description: "Opera"},
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104: {Sym: "chamber_music", Description: "Chamber Music"},
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105: {Sym: "sonata", Description: "Sonata"},
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106: {Sym: "symphony", Description: "Symphony"},
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107: {Sym: "booty_bass", Description: "Booty Bass"},
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108: {Sym: "primus", Description: "Primus"},
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109: {Sym: "porn_groove", Description: "Porn Groove"},
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110: {Sym: "satire", Description: "Satire"},
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111: {Sym: "slow_jam", Description: "Slow Jam"},
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112: {Sym: "club", Description: "Club"},
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113: {Sym: "tango", Description: "Tango"},
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114: {Sym: "samba", Description: "Samba"},
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115: {Sym: "folklore", Description: "Folklore"},
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116: {Sym: "ballad", Description: "Ballad"},
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117: {Sym: "power_ballad", Description: "Power Ballad"},
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118: {Sym: "rhythmic_soul", Description: "Rhythmic Soul"},
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119: {Sym: "freestyle", Description: "Freestyle"},
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120: {Sym: "duet", Description: "Duet"},
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121: {Sym: "punk_rock", Description: "Punk Rock"},
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122: {Sym: "drum_solo", Description: "Drum Solo"},
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123: {Sym: "a_cappella", Description: "A cappella"},
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124: {Sym: "euro_house", Description: "Euro-House"},
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125: {Sym: "dance_hall", Description: "Dance Hall"},
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126: {Sym: "goa_music", Description: "Goa music"},
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127: {Sym: "drum_n_bass", Description: "Drum & Bass"},
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128: {Sym: "club_house", Description: "Club-House"},
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129: {Sym: "hardcore_techno", Description: "Hardcore Techno"},
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130: {Sym: "terror", Description: "Terror"},
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131: {Sym: "indie", Description: "Indie"},
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132: {Sym: "britpop", Description: "BritPop"},
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133: {Sym: "negerpunk", Description: "Negerpunk"},
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134: {Sym: "polsk_punk", Description: "Polsk Punk"},
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135: {Sym: "beat", Description: "Beat"},
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136: {Sym: "christian_gangsta_rap", Description: "Christian Gangsta Rap"},
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137: {Sym: "heavy_metal", Description: "Heavy Metal"},
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138: {Sym: "black_metal", Description: "Black Metal"},
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139: {Sym: "crossover", Description: "Crossover"},
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140: {Sym: "contemporary_christian", Description: "Contemporary Christian"},
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141: {Sym: "christian_rock", Description: "Christian Rock"},
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142: {Sym: "merengue", Description: "Merengue"},
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143: {Sym: "salsa", Description: "Salsa"},
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144: {Sym: "thrash_metal", Description: "Thrash Metal"},
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145: {Sym: "anime", Description: "Anime"},
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146: {Sym: "jpop", Description: "Jpop"},
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147: {Sym: "synthpop", Description: "Synthpop"},
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148: {Sym: "abstract", Description: "Abstract"},
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149: {Sym: "art_rock", Description: "Art Rock"},
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150: {Sym: "baroque", Description: "Baroque"},
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151: {Sym: "bhangra", Description: "Bhangra"},
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152: {Sym: "big_beat", Description: "Big beat"},
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153: {Sym: "breakbeat", Description: "Breakbeat"},
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154: {Sym: "chillout", Description: "Chillout"},
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155: {Sym: "downtempo", Description: "Downtempo"},
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156: {Sym: "dub", Description: "Dub"},
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157: {Sym: "ebm", Description: "EBM"},
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158: {Sym: "eclectic", Description: "Eclectic"},
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159: {Sym: "electro", Description: "Electro"},
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160: {Sym: "electroclash", Description: "Electroclash"},
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161: {Sym: "emo", Description: "Emo"},
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162: {Sym: "experimental", Description: "Experimental"},
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163: {Sym: "garage", Description: "Garage"},
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164: {Sym: "global", Description: "Global"},
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165: {Sym: "idm", Description: "IDM"},
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166: {Sym: "illbient", Description: "Illbient"},
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167: {Sym: "industro_goth", Description: "Industro-Goth"},
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168: {Sym: "jam_band", Description: "Jam Band"},
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169: {Sym: "krautrock", Description: "Krautrock"},
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170: {Sym: "leftfield", Description: "Leftfield"},
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171: {Sym: "lounge", Description: "Lounge"},
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172: {Sym: "math_rock", Description: "Math Rock"},
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173: {Sym: "new_romantic", Description: "New Romantic"},
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174: {Sym: "nu_breakz", Description: "Nu-Breakz"},
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175: {Sym: "post_punk", Description: "Post-Punk"},
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176: {Sym: "post_rock", Description: "Post-Rock"},
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177: {Sym: "psytrance", Description: "Psytrance"},
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178: {Sym: "shoegaze", Description: "Shoegaze"},
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179: {Sym: "space_rock", Description: "Space Rock"},
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180: {Sym: "trop_rock", Description: "Trop Rock"},
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181: {Sym: "world_music", Description: "World Music"},
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182: {Sym: "neoclassical", Description: "Neoclassical"},
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183: {Sym: "audiobook", Description: "Audiobook"},
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184: {Sym: "audio_theatre", Description: "Audio Theatre"},
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185: {Sym: "neue_deutsche_welle", Description: "Neue Deutsche Welle"},
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186: {Sym: "podcast", Description: "Podcast"},
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187: {Sym: "indie_rock", Description: "Indie-Rock"},
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188: {Sym: "g_funk", Description: "G-Funk"},
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189: {Sym: "dubstep", Description: "Dubstep"},
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190: {Sym: "garage_rock", Description: "Garage Rock"},
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191: {Sym: "psybient", Description: "Psybient"},
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})
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return nil
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}
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