I encountered the same problem, I test two files (similar behaviour)
below is shown the output of one. I am on Ubuntu 24.04, Nautilus 46.4.
georg@InaUbuntu:~/Musik/Verknüpfung mit Musik/starred$ ffmpeg -i 09\ Heart\ of\
Gold.m4a -an -vcodec copy test.jpg
...
MusicBrainz Release Group Id: 142698ec-a131-4d34-bd3f-240e13e3b429
Acoustid Id : 32ed65e1-5822-4d8a-8263-d90999618424
MusicBrainz Track Id: 4d1d355f-ab1a-4209-9c20-4fdd563b6426
MusicBrainz Album Id: bf5656f3-8f12-416f-8b06-9114bdeb161f
MusicBrainz Release Track Id: dd720ff4-e823-3662-b178-6d272e415b06
MusicBrainz Artist Id: ebee61b4-bbdd-4087-9bcb-d5aa099088ec
MusicBrainz Album Artist Id: ebee61b4-bbdd-4087-9bcb-d5aa099088ec
album_artist : James Blunt
sort_album_artist: Blunt, James
encoder : Lavf60.16.100
Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown),
292x300 [SAR 1:1 DAR 73:75], q=2-31, 90k tbr, 90k tbn (attached pic)
Stream mapping:
Stream #0:1 -> #0:0 (copy)
Press [q] to stop, [?] for help
[image2 @ 0x5ff10bfcb240] The specified filename 'test.jpg' does not contain an
image sequence pattern or a pattern is invalid.
[image2 @ 0x5ff10bfcb240] Use a pattern such as %03d for an image sequence or
use the -update option (with -frames:v 1 if needed) to write a single image.
[out#0/image2 @ 0x5ff10bfc73c0] video:12kB audio:0kB subtitle:0kB other
streams:0kB global headers:0kB muxing overhead: unknown
size=N/A time=00:00:00.00 bitrate=N/A speed= 0x
georg@InaUbuntu:~/Musik/Verknüpfung mit Musik/starred$
georg@InaUbuntu:~/Musik/Verknüpfung mit Musik/starred$
/usr/bin/totem-video-thumbnailer -v 09\ Heart\ of\ Gold.m4a test.png
TotemVideoThumbnailer-Message: 21:17:52.327: Initialised libraries, about to
create video widget
TotemVideoThumbnailer-Message: 21:17:52.332: setting URI
file:///home/georg/Musik/Verkn%C3%BCpfung%20mit%20Musik/starred/09%20Heart%20of%20Gold.m4a
TotemVideoThumbnailer-Message: 21:17:52.332: Video widget created
TotemVideoThumbnailer-Message: 21:17:52.332: About to open video file
TotemVideoThumbnailer-Message: 21:17:52.417: Checking whether file has cover
TotemVideoThumbnailer-Message: 21:17:52.482: Saving cover image to test.png
Getötet
georg@InaUbuntu:~/Musik/Verknüpfung mit Musik/starred$
From the ffmpeg I understand that the cover picture is embedded as
picture in a video stream. The thumbnailer does produce the test.png but
segfaults then. The covers are correctly displayes with vlc player,
fre:ac, mpv mediaplayer, SMPlayer and MusicBrainz Picard. Something is
at odd with the processing performed in the background of Nautilus.
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https://bugs.launchpad.net/bugs/2111560
Title:
Nautilus does not show embedded album art thumbnails for .m4a files
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