pub fn parse_track_metadata(
metadata: Option<&str>,
) -> (Option<String>, Option<String>, Option<String>, Option<String>)Expand description
Parse DIDL-Lite track metadata into (title, artist, album, album_art_uri).
Infallible by contract: sonos-sdk destructures the tuple directly
(sonos-sdk/src/property/handles.rs), and a track whose metadata will not
parse must read as “unknown track”, never as an error or a panic. Absent,
empty and NOT_IMPLEMENTED input all yield all-None, as does any parse
failure.