Fresh Xubuntu 16.04.3 (64bit) install. Some videos that I knew had thumbnails in 12.04 didn't have them now in Thunar anymore.
Some did. Some didn't. Mostly affected were non-free (e.g. patented) formats like MPEG-4/H.264
[SOLUTION]
Install the ffmpegthumbnailer:
Code: Select all
$ sudo apt-get install ffmpegthumbnailerThen close all open Thunar windows.gstreamer1.0-plugins-good - GStreamer plugins from the "good" set
gstreamer1.0-plugins-bad - GStreamer plugins from the "bad" set
gstreamer1.0-plugins-bad-videoparsers - GStreamer videoparsers plugin from the "bad" set
gstreamer1.0-plugins-ugly - GStreamer plugins from the "ugly" set
Now all videos should have thumbnails generated
