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Multiple 'ARTIST' tags not read correctly on M4A/Apple Lossless files #6512
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Originally created by @DigitalStarSys on GitHub (Nov 25, 2024).
This issue respects the following points:
Description of the bug
On Jellyfin 10.10.3, the music parser will not parse multiple artists on Apple Lossless (.m4a) files, and will instead only parse the last tag. (For example, if the artist tags are, in order, "sasakure.UK", "DECO*27", and "Hatsune Miku", Jellyfin will only display "Hatsune Miku". I double-checked that they were actually separate tags, and both Mp3tag and MusicBrainz Picard confirmed this.)
If the file is converted to an MP3 with ID3v2.3 tags, and has multiple artist tags separated the same way, it will display them correctly (for example, "sasakure.UK, DECO*27, Hatsune Miku").
Reproduction steps
What is the current bug behavior?
All but one of the artist tags are completely discarded when using M4A/Apple Lossless files, leading Jellyfin to not display every associated artist.
What is the expected correct behavior?
Jellyfin should display every artist listed in every tag if the file has multiple artist tags.
Jellyfin Server version
10.10.0+
Specify commit id
No response
Specify unstable release number
No response
Specify version number
No response
Specify the build version
10.10.3
Environment
Jellyfin logs
FFmpeg logs
Client / Browser logs
No response
Relevant screenshots or videos
Additional information
No response
@gnattu commented on GitHub (Nov 25, 2024):
Duplicate of #13004
@gnattu commented on GitHub (Nov 25, 2024):
We need to work with the upstream to fix this which requires some time.
Close as duplicate for now.