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Is there a music thing that handles single tracks (lemmy.ml)
submitted 1 year ago by to c/selfhosted@lemmy.world
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I've had this concept in my head for a while, I'm kind of amazed it doesn't exist yet.

I want to send a link to a music track to an app on my server, probably yt, maybe Spotify, and have that track be archived on my server, with the metadata from the service, preferably in a place Jellyfin can get at it.

There's a few ways to do that with YT playlist links, but not with adhoc requests for individual tracks, as far as I can see.

Is this not something that exists? I'm thinking it might not be too hard to write, if it doesn't.

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[–] 11 points 1 year ago (6 children)

yt-dlp can handle YouTube Music Links. Just tell it with -x --audio-format mp3, that you don't want the Video, but an mp3 (opus can't be tagged). I use it to obtail whole artists, then I tag them with MusicBrainz Picard. I'm sure there is a way to automate this. yt-dlp has also a Python library. However I haven't used it for now.

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  • [–] 15 points 1 year ago* (last edited 1 year ago) (2 children)

    opus can’t be tagged

    I'm pretty sure that it supports tagging.

    goes to try it out

    $ yt-dlp -x https://www.youtube.com/shorts/syF8M3aeiWs >/dev/null
$ opustags beep\ sound\ effect\ \[syF8M3aeiWs\].opus |grep -v ^METADATA
language=eng
encoder=Lavf61.7.100
title=beep sound effect
date=20230316
purl=https://www.youtube.com/watch?v=syF8M3aeiWs
synopsis=beep
DESCRIPTION=https://www.youtube.com/watch?v=syF8M3aeiWs
artist=Seth's old channel 
$

    If you mean that this MusicBrainz Picard thing doesn't support tagging Opus, it sounds like it does:

    https://community.metabrainz.org/t/musicbrainz-picard-doesnt-support-opus-files/467209

    I have been having trouble tagging .opus files. Every time I try to edit .opus files I get:

    (error: read b'\x1aE\xdf\xa3', expected b'OggS', at 0x0)

    Looks like this is not a valid Ogg Opus file. Opus is just an audio codec, not a file format. Files with the file extension .opus are supposed to be inside an Ogg container, and that’s what Picard supports.

    Your’s seems to be a Matroska file, and Picard does not support Matroska files yet.

    And looking at the output of yt-dlp -x, it looks like it's Opus in an Ogg container:

    $ file beep\ sound\ effect\ \[syF8M3aeiWs\].opus
beep sound effect [syF8M3aeiWs].opus: Ogg data, Opus audio, version 0.1, stereo, 48000 Hz (Input Sample Rate)
$

    EDIT: Note that my ~/.config/yt-dlp/config file is:

    --embed-subs
--write-auto-subs
--embed-metadata
--embed-chapters
--embed-thumbnail
--sponsorblock-mark=all

    It may be that one needs --embed-metadata on the yt-dlp command-line if one isn't setting it in their yt-dlp config file to get the above tags; it might be that none normally get set.

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  • [–] 4 points 1 year ago (2 children)

    An absolutely ancient tool I used to use was WinAmp (v2.x) with the Streamripper plugin. It would save out each song from a shoutcast or icecast station to a file with the artist/album/title/track like a champ. Maybe not quite what you want (won't do youtube) but there are a ton of great indie stations on the vorbis icecast network...

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