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18 lines
1.4 KiB
Plaintext
18 lines
1.4 KiB
Plaintext
# ffmpeg -f lavfi -i sine -t 10ms -write_id3v1 1 -metadata title=test -f mp3 pipe:1 | fq - '.footers[0]._bytes' > id3v1
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$ fq -d id3v1 dv id3v1
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|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.{}: id3v1 (id3v1) 0x0-0x7f.7 (128)
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0x00|54 41 47 |TAG | magic: "TAG" (valid) 0x0-0x2.7 (3)
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0x00| 74 65 73 74 00 00 00 00 00 00 00 00 00| test.........| song_name: "test" 0x3-0x20.7 (30)
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0x10|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|................|
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0x20|00 |. |
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0x20| 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00| ...............| artist: "" 0x21-0x3e.7 (30)
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0x30|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |............... |
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0x30| 00| .| album_name: "" 0x3f-0x5c.7 (30)
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0x40|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|................|
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0x50|00 00 00 00 00 00 00 00 00 00 00 00 00 |............. |
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0x50| 00 00 00| ...| year: "" 0x5d-0x60.7 (4)
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0x60|00 |. |
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0x60| 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00| ...............| comment: "" 0x61-0x7e.7 (30)
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0x70|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |............... |
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0x70| ff| .| genre: 255 0x7f-0x7f.7 (1)
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