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fq/format/id3/id3v1.go

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Init
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package id3
import (
mod: Use proper path and dont use replace
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"github.com/wader/fq/format"
"github.com/wader/fq/pkg/decode"
interp,format: Refactor registry usage and use function helpers Move registry to interp and add support for functions and filesystems. This will be used later for allow formats to add own functions and fq code. Add gojqextra function helpers to have more comfortable API to add functions. Takes care of argument type casting and JQValue:s and some more things. Refactor interp package to use new function helper and registry. Probably fixes a bunch of JQValue bugs and other type errors. Refactor out some mpeg nal things to mpeg format. Refactor interp jq code into display.q and init.jq. Remove undocumented aes_ctr funciton, was a test. Hopefully will add more crypto things laster.
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"github.com/wader/fq/pkg/interp"
decode: Refactor scalar usage Move scalar into own package. Split scalar code into decode related scalar code (that reads etc) and scalar code that just transform the scalar value. Use a scalar.Mapper interface instead of just a function. Make mappers, assert and validat impement the interface.
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"github.com/wader/fq/pkg/scalar"
Init
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)
// TODO: comment 28 long, zero byte, track number
func init() {
interp,format: Refactor registry usage and use function helpers Move registry to interp and add support for functions and filesystems. This will be used later for allow formats to add own functions and fq code. Add gojqextra function helpers to have more comfortable API to add functions. Takes care of argument type casting and JQValue:s and some more things. Refactor interp package to use new function helper and registry. Probably fixes a bunch of JQValue bugs and other type errors. Refactor out some mpeg nal things to mpeg format. Refactor interp jq code into display.q and init.jq. Remove undocumented aes_ctr funciton, was a test. Hopefully will add more crypto things laster.
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interp.RegisterFormat(decode.Format{
Init
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Name: format.ID3V1,
Description: "ID3v1 metadata",
DecodeFn: id3v1Decode,
})
}
// Decode ID3v1 tag
dev: Cleanup linters and fix some unused args
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func id3v1Decode(d *decode.D, _ any) any {
decode: Major decode API refactor Generate more code More generic and comfortable API Improve and Update format decoder to new API Add some more format tests
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d.AssertAtLeastBitsLeft(128 * 8)
decode: More type safe API and split scalar into multiple types Preparation to make decoder use less memory and API more type safe. Now each scalar type has it's own struct type so it can store different things and enables to have a scalar interface. Also own types will enable experimenting with decode DLS designs like using chained methods that are type aware.
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d.FieldUTF8("magic", 3, d.StrAssert("TAG"))
Init
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if d.PeekBits(8) == uint64('+') {
decode: Refactor Error/Fatal into printf functions
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d.Errorf("looks like id3v11")
Init
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}
decode: Nicer scalar template and add doc
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d.FieldUTF8NullFixedLen("song_name", 30)
d.FieldUTF8NullFixedLen("artist", 30)
d.FieldUTF8NullFixedLen("album_name", 30)
d.FieldUTF8NullFixedLen("year", 4)
d.FieldUTF8NullFixedLen("comment", 30)
Init
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// from https://en.wikipedia.org/wiki/List_of_ID3v1_Genres
decode: More type safe API and split scalar into multiple types Preparation to make decoder use less memory and API more type safe. Now each scalar type has it's own struct type so it can store different things and enables to have a scalar interface. Also own types will enable experimenting with decode DLS designs like using chained methods that are type aware.
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d.FieldU8("genre", scalar.UintMap{
formats: Sym and field name cleanup to be more jq friendly
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0: {Sym: "blues", Description: "Blues"},
1: {Sym: "classic_rock", Description: "Classic Rock"},
2: {Sym: "country", Description: "Country"},
3: {Sym: "dance", Description: "Dance"},
4: {Sym: "disco", Description: "Disco"},
5: {Sym: "funk", Description: "Funk"},
6: {Sym: "grunge", Description: "Grunge"},
7: {Sym: "hiphop", Description: "Hip-Hop"},
8: {Sym: "jazz", Description: "Jazz"},
9: {Sym: "metal", Description: "Metal"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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10: {Sym: "new_age", Description: "New Age"},
formats: Sym and field name cleanup to be more jq friendly
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11: {Sym: "oldies", Description: "Oldies"},
12: {Sym: "other", Description: "Other"},
13: {Sym: "pop", Description: "Pop"},
14: {Sym: "rhythm_and_blues", Description: "Rhythm and Blues"},
15: {Sym: "rap", Description: "Rap"},
16: {Sym: "reggae", Description: "Reggae"},
17: {Sym: "rock", Description: "Rock"},
18: {Sym: "techno", Description: "Techno"},
19: {Sym: "industrial", Description: "Industrial"},
20: {Sym: "alternative", Description: "Alternative"},
21: {Sym: "ska", Description: "Ska"},
22: {Sym: "death_metal", Description: "Death Metal"},
23: {Sym: "pranks", Description: "Pranks"},
24: {Sym: "soundtrack", Description: "Soundtrack"},
25: {Sym: "euro_techno", Description: "Euro-Techno"},
26: {Sym: "ambient", Description: "Ambient"},
27: {Sym: "triphop", Description: "Trip-Hop"},
28: {Sym: "vocal", Description: "Vocal"},
29: {Sym: "jazz_funk", Description: "Jazz & Funk"},
30: {Sym: "fusion", Description: "Fusion"},
31: {Sym: "trance", Description: "Trance"},
32: {Sym: "classical", Description: "Classical"},
33: {Sym: "instrumental", Description: "Instrumental"},
34: {Sym: "acid", Description: "Acid"},
35: {Sym: "house", Description: "House"},
36: {Sym: "game", Description: "Game"},
37: {Sym: "sound_clip", Description: "Sound clip"},
38: {Sym: "gospel", Description: "Gospel"},
39: {Sym: "noise", Description: "Noise"},
40: {Sym: "alternative_rock", Description: "Alternative Rock"},
41: {Sym: "bass", Description: "Bass"},
42: {Sym: "soul", Description: "Soul"},
43: {Sym: "punk", Description: "Punk"},
44: {Sym: "space", Description: "Space"},
45: {Sym: "meditative", Description: "Meditative"},
46: {Sym: "instrumental_pop", Description: "Instrumental Pop"},
47: {Sym: "instrumental_rock", Description: "Instrumental Rock"},
48: {Sym: "ethnic", Description: "Ethnic"},
49: {Sym: "gothic", Description: "Gothic"},
50: {Sym: "darkwave", Description: "Darkwave"},
51: {Sym: "techno-industrial", Description: "Techno-Industrial"},
52: {Sym: "electronic", Description: "Electronic"},
53: {Sym: "pop-folk", Description: "Pop-Folk"},
54: {Sym: "eurodance", Description: "Eurodance"},
55: {Sym: "dream", Description: "Dream"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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56: {Sym: "southern_rock", Description: "Southern Rock"},
formats: Sym and field name cleanup to be more jq friendly
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57: {Sym: "comedy", Description: "Comedy"},
58: {Sym: "cult", Description: "Cult"},
59: {Sym: "gangsta", Description: "Gangsta"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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60: {Sym: "top_40", Description: "Top 40"},
61: {Sym: "christian_rap", Description: "Christian Rap"},
62: {Sym: "pop_funk", Description: "Pop/Funk"},
63: {Sym: "jungle_music", Description: "Jungle music"},
64: {Sym: "native_us", Description: "Native US"},
formats: Sym and field name cleanup to be more jq friendly
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65: {Sym: "cabaret", Description: "Cabaret"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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66: {Sym: "new_wave", Description: "New Wave"},
formats: Sym and field name cleanup to be more jq friendly
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67: {Sym: "psychedelic", Description: "Psychedelic"},
68: {Sym: "rave", Description: "Rave"},
69: {Sym: "showtunes", Description: "Showtunes"},
70: {Sym: "trailer", Description: "Trailer"},
71: {Sym: "lo-fi", Description: "Lo-Fi"},
72: {Sym: "tribal", Description: "Tribal"},
73: {Sym: "acid_punk", Description: "Acid Punk"},
74: {Sym: "acid_jazz", Description: "Acid Jazz"},
75: {Sym: "polka", Description: "Polka"},
76: {Sym: "retro", Description: "Retro"},
77: {Sym: "musical", Description: "Musical"},
78: {Sym: "rock_n_roll", Description: "Rock ’n’ Roll"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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79: {Sym: "hard_rock", Description: "Hard Rock"},
formats: Sym and field name cleanup to be more jq friendly
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80: {Sym: "folk", Description: "Folk"},
81: {Sym: "folk-rock", Description: "Folk-Rock"},
82: {Sym: "national_folk", Description: "National Folk"},
83: {Sym: "swing", Description: "Swing"},
84: {Sym: "fast_fusion", Description: "Fast Fusion"},
85: {Sym: "bebop", Description: "Bebop"},
86: {Sym: "latin", Description: "Latin"},
87: {Sym: "revival", Description: "Revival"},
88: {Sym: "celtic", Description: "Celtic"},
89: {Sym: "bluegrass", Description: "Bluegrass"},
90: {Sym: "avantgarde", Description: "Avantgarde"},
91: {Sym: "gothic_rock", Description: "Gothic Rock"},
92: {Sym: "progressive_rock", Description: "Progressive Rock"},
93: {Sym: "psychedelic_rock", Description: "Psychedelic Rock"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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94: {Sym: "symphonic_rock", Description: "Symphonic Rock"},
formats: Sym and field name cleanup to be more jq friendly
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95: {Sym: "slow_rock", Description: "Slow Rock"},
wav,bencode,mpeg_ps_packet,id3v1: Random fixes wav: Rest of file should description not symbolic value bencode: Remove redundant torepr example mpeg_ps_packet,id3v1: Remove whitespace in symbolic value
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96: {Sym: "big_band", Description: "Big Band"},
formats: Sym and field name cleanup to be more jq friendly
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97: {Sym: "chorus", Description: "Chorus"},
98: {Sym: "easy_listening", Description: "Easy Listening"},
99: {Sym: "acoustic", Description: "Acoustic"},
100: {Sym: "humour", Description: "Humour"},
101: {Sym: "speech", Description: "Speech"},
102: {Sym: "chanson", Description: "Chanson"},
103: {Sym: "opera", Description: "Opera"},
104: {Sym: "chamber_music", Description: "Chamber Music"},
105: {Sym: "sonata", Description: "Sonata"},
106: {Sym: "symphony", Description: "Symphony"},
107: {Sym: "booty_bass", Description: "Booty Bass"},
108: {Sym: "primus", Description: "Primus"},
109: {Sym: "porn_groove", Description: "Porn Groove"},
110: {Sym: "satire", Description: "Satire"},
111: {Sym: "slow_jam", Description: "Slow Jam"},
112: {Sym: "club", Description: "Club"},
113: {Sym: "tango", Description: "Tango"},
114: {Sym: "samba", Description: "Samba"},
115: {Sym: "folklore", Description: "Folklore"},
116: {Sym: "ballad", Description: "Ballad"},
117: {Sym: "power_ballad", Description: "Power Ballad"},
118: {Sym: "rhythmic_soul", Description: "Rhythmic Soul"},
119: {Sym: "freestyle", Description: "Freestyle"},
120: {Sym: "duet", Description: "Duet"},
121: {Sym: "punk_rock", Description: "Punk Rock"},
122: {Sym: "drum_solo", Description: "Drum Solo"},
123: {Sym: "a_cappella", Description: "A cappella"},
124: {Sym: "euro_house", Description: "Euro-House"},
125: {Sym: "dance_hall", Description: "Dance Hall"},
126: {Sym: "goa_music", Description: "Goa music"},
127: {Sym: "drum_n_bass", Description: "Drum & Bass"},
128: {Sym: "club_house", Description: "Club-House"},
129: {Sym: "hardcore_techno", Description: "Hardcore Techno"},
130: {Sym: "terror", Description: "Terror"},
131: {Sym: "indie", Description: "Indie"},
132: {Sym: "britpop", Description: "BritPop"},
133: {Sym: "negerpunk", Description: "Negerpunk"},
134: {Sym: "polsk_punk", Description: "Polsk Punk"},
135: {Sym: "beat", Description: "Beat"},
136: {Sym: "christian_gangsta_rap", Description: "Christian Gangsta Rap"},
137: {Sym: "heavy_metal", Description: "Heavy Metal"},
138: {Sym: "black_metal", Description: "Black Metal"},
139: {Sym: "crossover", Description: "Crossover"},
140: {Sym: "contemporary_christian", Description: "Contemporary Christian"},
141: {Sym: "christian_rock", Description: "Christian Rock"},
142: {Sym: "merengue", Description: "Merengue"},
143: {Sym: "salsa", Description: "Salsa"},
144: {Sym: "thrash_metal", Description: "Thrash Metal"},
145: {Sym: "anime", Description: "Anime"},
146: {Sym: "jpop", Description: "Jpop"},
147: {Sym: "synthpop", Description: "Synthpop"},
148: {Sym: "abstract", Description: "Abstract"},
149: {Sym: "art_rock", Description: "Art Rock"},
150: {Sym: "baroque", Description: "Baroque"},
151: {Sym: "bhangra", Description: "Bhangra"},
152: {Sym: "big_beat", Description: "Big beat"},
153: {Sym: "breakbeat", Description: "Breakbeat"},
154: {Sym: "chillout", Description: "Chillout"},
155: {Sym: "downtempo", Description: "Downtempo"},
156: {Sym: "dub", Description: "Dub"},
157: {Sym: "ebm", Description: "EBM"},
158: {Sym: "eclectic", Description: "Eclectic"},
159: {Sym: "electro", Description: "Electro"},
160: {Sym: "electroclash", Description: "Electroclash"},
161: {Sym: "emo", Description: "Emo"},
162: {Sym: "experimental", Description: "Experimental"},
163: {Sym: "garage", Description: "Garage"},
164: {Sym: "global", Description: "Global"},
165: {Sym: "idm", Description: "IDM"},
166: {Sym: "illbient", Description: "Illbient"},
167: {Sym: "industro_goth", Description: "Industro-Goth"},
168: {Sym: "jam_band", Description: "Jam Band"},
169: {Sym: "krautrock", Description: "Krautrock"},
170: {Sym: "leftfield", Description: "Leftfield"},
171: {Sym: "lounge", Description: "Lounge"},
172: {Sym: "math_rock", Description: "Math Rock"},
173: {Sym: "new_romantic", Description: "New Romantic"},
174: {Sym: "nu_breakz", Description: "Nu-Breakz"},
175: {Sym: "post_punk", Description: "Post-Punk"},
176: {Sym: "post_rock", Description: "Post-Rock"},
177: {Sym: "psytrance", Description: "Psytrance"},
178: {Sym: "shoegaze", Description: "Shoegaze"},
179: {Sym: "space_rock", Description: "Space Rock"},
180: {Sym: "trop_rock", Description: "Trop Rock"},
181: {Sym: "world_music", Description: "World Music"},
182: {Sym: "neoclassical", Description: "Neoclassical"},
183: {Sym: "audiobook", Description: "Audiobook"},
184: {Sym: "audio_theatre", Description: "Audio Theatre"},
185: {Sym: "neue_deutsche_welle", Description: "Neue Deutsche Welle"},
186: {Sym: "podcast", Description: "Podcast"},
187: {Sym: "indie_rock", Description: "Indie-Rock"},
188: {Sym: "g_funk", Description: "G-Funk"},
189: {Sym: "dubstep", Description: "Dubstep"},
190: {Sym: "garage_rock", Description: "Garage Rock"},
191: {Sym: "psybient", Description: "Psybient"},
decode: Refactor scalar usage Move scalar into own package. Split scalar code into decode related scalar code (that reads etc) and scalar code that just transform the scalar value. Use a scalar.Mapper interface instead of just a function. Make mappers, assert and validat impement the interface.
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})
Init
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return nil
}
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