How ever, Caying Mediasign Player does not. I continued testings with separate QNAP-applications and noticed Video Station also show these re-generated thumbnails as well as QuMagie.

Unfortunately, I noticed this method does not work as effectively with bigger folders (ie. I tried MKVToolNix GUI and it didn't change the thumbnail.Someone suggested Mp3tag, but it edits only mp4 files. Maybe You will now see few thumbnails?ģ) Select some another folder and do the same as in Step 2.Ĥ) Toggle between these folders and click Refresh Icon repeatedlyīy doing this I managed to build thumbnails one after another into couple of folders (size app. mkv files to cover art like these mp4 files. Add or replace tags in the file with the ones from filename or remove them if. Try also to select one or two file(s) and hit Refresh again. Ffmpeg Add Image To Mkv study focus room education degrees, courses structure, learning courses. By default mkvpropedit(1) will edit the segment information section. Not sure, but this whole problem feels like some kind of problem with NAS's internal cache.ġ) Go to File Station and select a folder which does not have any thumbnails on videofiles.Ģ) Click several times Refresh-Icon which is located above Blue Snapshot button. You can add necessary objects by several methods: using a menu, a toolbar, a drag-and-drop option or applying resources.

Finally, after previous post on today I managed to get some positive results regarding thumbnail issue.

Add thumbnail to mkv