On Fri, 15 May 2026, Dan Ritter wrote: > [email protected] wrote: >> On Thu, 14 May 2026, Dan Ritter wrote: >> >>> [email protected] wrote: >>> The good news is that they are cached, so they only get >>> generated once, and will only be regenerated if it goes missing >>> or if the cached icon is older than the file it represents. >>> >>> The bad news is that they do have to be generated, and it does >>> take time. >>> >>> The other good news is that if you want, you can pre-generate >>> thumbnails. man tumbler, man ffmpegthumbnailer. >> >> can you elaborate on the specifics of how to pregenerate thumbnails so >> thunar can associate them with the correct file > > > Sure. Read the man pages. > > tumbler creates thumbnails on request, but invokes other > programs to do it. The thumbnails go in ~/.cache/thumbnails/... > > ffmpegthumbnailer is one of those other programs, one which can > read almost all video formats. > > So if you run ffmpegthumbnailer over your video directories, > specifying the output to the proper cache, you accomplish your > goal.
in ~/.cache/thumbnails/large where are files with 32 character names what does this name represent is it significant or just random
