F43: HEVC codec mp4 thumbnails not generating in Nautilus

Thumbnails for AVC mp4 files work fine.

What thumbnailer do I have to install to make HEVC thumbnails work?

I think that may be the libheif package on fedora, and you probably would be best also installing the libheif-freeworld package from the rpmfusion-free repo.

I don’t know specifically which thumbnailer may be involved, but I have all these installed. Maybe the glycin-thumbnailer ?

$ dnf list --installed | grep thumb
evince-thumbnailer.x86_64                            48.1-1.fc43                            fedora
ffmpegthumbnailer.x86_64                             2.3.0-1.fc43                           updates
ffmpegthumbnailer-libs.x86_64                        2.3.0-1.fc43                           updates
glycin-thumbnailer.x86_64                            2.0.5-1.fc43                           updates
gnome-epub-thumbnailer.x86_64                        1.8-3.fc43                             fedora
papers-thumbnailer.x86_64                            49.3-1.fc43                            updates
texlive-thumbpdf.noarch                              11:svn62518-94.fc43                    updates
totem-video-thumbnailer.x86_64                       1:43.2-6.fc43                          fedora

libheif deals with HEIF images, not HEVC / H.265 videos.

Video file thumbnails are generated by totem-video-thumbnailer, which should be installed by default.

Just make sure you have the necessary GStreamer plugins for reading HEVC / H.265 video files (should be gstreamer1-plugin-libav and / or gstreamer1-plugins-ugly).

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And for things using ffmpeg, you’ll want libavcodec-freeworld.

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This one did it, thanks

I still recommend to use

dnf update @multimedia

As recommended in the RPM Fusion guide: Making sure you're not a bot!

Instead of going into the gory detail to install one or another package.
Multimedia will compute the right counterpart packages to install according to the installed base.

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