Show HN: Tired of the non-portability of my playlists, I wrote my own format

Re:Show HN: Tired of the non-portability of my playlists, I ... by derefr on Wednesday March 01, 2017 @05:01PM (#13768905)

This design assumes a bit of standing infrastructure around it: namely, that you have a "music library manager" program, all your music is in it, and it fingerprints tracks on import and keeps a fingerprint-keyed index.

If that's true, then nothing has to happen on export. You just dump the hashes you already know.

And then, when you try to load someone else's playlist, all you're doing is a bunch of hash-table lookups against the index you already have, to see if you have tracks with matching fingerprints.

(And the initial generation can also be made cheaper, if online music stores also adopt the fingerprint format, such that tracks you buy come with their fingerprints pre-calculated and embedded into the ID3 metadata. Then you can just dump those straight into your index on import.)

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Re:Show HN: Tired of the non-portability of my playlists, I ... by StavrosK on Wednesday March 01, 2017 @05:24PM (#13769142)

Spot on on everything, except the "assumes" part. I'm writing a utility that will convert to/from PLS/UPL without the infrastructure (granted, it will do it on the fly, and it will require some tags to be in the files):

https://gitlab.com/universal-playlist/pls2upl/

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