mp3>id3 ( path -- id3/f )
ID3 tags

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Vocabulary
id3

Inputs

path	a path string

Outputs

id3/f

tuple storing ID3v2 metadata or f

Word description
Return a tuple containing the ID3 information parsed out of the MP3 file, or f if no metadata is present. Words to access the ID3v1 information are here:

•	title
•	artist
•	album
•	year
•	genre
•	comment

For other fields, use the find-id3-frame word.

Definition

USING: alien.c-types id3.private io.mmap kernel ;

IN: id3

: mp3>id3 ( path -- id3/f )
    [
        [ <id3> ] dip uchar <mapped-array>
        [ dup id3v1? [ read-v1-tags merge-id3v1 ] [ drop ] if ] 
        [
            dup id3v1+?
            [ read-v1+-tags merge-id3v1 ] [ drop ] if
        ] [ dup id3v2? [ read-v2-tags ] [ drop ] if ] tri
    ] with-mapped-file-reader ;