For this procedure to work, Tumbler must be installed. It can be installed with
sudo pacman -S tumbler
(1). Create the folder named tumbler inside the existing .config folder in the home directory (NOTE: DO NOT use sudo):
mkdir ~/.config/tumbler
(2). Copy the tumbler configuration file into the config folder (NOTE: DO NOT use sudo):
cp /etc/xdg/tumbler/tumbler.rc ~/.config/tumbler/
(3). Edit the file (NOTE: DO NOT use sudo):
nano ~/.config/tumbler/tumbler.rc
(4). Search for:
###
# Video Thumbnailers
###
# Download cover from omdbapi.com or themoviedb.org if an
# API key is given. This plugin is disabled because it
# sends your (private) movie names over the internet.
[CoverThumbnailer]
Disabled=true
Priority=3
Locations=~/movies
MaxFileSize=0
#APIKey=your-api-key-from-themoviedb.org
# ffmpegthumbnailer plugin
[FfmpegThumbnailer]
Disabled=false
Priority=2
Locations=
MaxFileSize=2147483648
(5). Under # ffmpegthumbnailer plugin, change the MaxFileSize value from 214748364 to 0:
###
# Video Thumbnailers
###
# Download cover from omdbapi.com or themoviedb.org if an
# API key is given. This plugin is disabled because it
# sends your (private) movie names over the internet.
[CoverThumbnailer]
Disabled=true
Priority=3
Locations=~/movies
MaxFileSize=0
#APIKey=your-api-key-from-themoviedb.org
# ffmpegthumbnailer plugin
[FfmpegThumbnailer]
Disabled=false
Priority=2
Locations=
MaxFileSize=0
(6). Save (Control O), and exit (Control X). Restart the system. Ready.