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My video (.mkv) thumbnails are green (or monochromatic)? Ask Ubuntu link

The question posted above show cases the exact same situation that I'm facing right now, but answers over there do not work on Antergos, for starters how do I even enable Multiverse and Universe?


The situation is that thumbnails created by .mkv files are green in colour but video colours aren't affected by this issue. it seems like a problem with new Nautilus update rather than Ubuntu or Antergos

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As far as I know ffmpeg and ffmpegthumbnailer are already Installed in Antergos installation but if not then note than installation process on Ubuntu and Antergos is pretty different.


This answer is based on Another answer posted by Elder Geek, this just makes it easy for new users to execute

Install ffmpeg

open Add/Remove software app and make sure that ffmpeg and ffmpegthumbnailer are installed by searchin them, if not then install these packages

enter image description here

From here it should be pretty similar to linked answer

Change the job of creating thumbnails from Totem to ffmpeg

sudo nano /usr/share/thumbnailers/totem.thumbnailer

a text file will open up, replace all the text inside it with the following

[Thumbnailer Entry]
TryExec=ffmpegthumbnailer
Exec=ffmpegthumbnailer -s %s -i %i -o %o -c png -f -t 10
MimeType=application/mxf;application/ogg;application/ram;application/sdp;application/vnd.ms-wpl;application/vnd.rn-realmedia;application/x-extension-m4a;application/x-extension-mp4;application/x-flash-video;application/x-matroska;application/x-netshow-channel;application/x-ogg;application/x-quicktimeplayer;application/x-shorten;image/vnd.rn-realpix;image/x-pict;misc/ultravox;text/x-google-video-pointer;video/3gpp;video/dv;video/fli;video/flv;video/mp2t;video/mp4;video/mp4v-es;video/mpeg;video/msvideo;video/ogg;video/quicktime;video/vivo;video/vnd.divx;video/vnd.rn-realvideo;video/vnd.vivo;video/webm;video/x-anim;video/x-avi;video/x-flc;video/x-fli;video/x-flic;video/x-flv;video/x-m4v;video/x-matroska;video/x-mpeg;video/x-ms-asf;video/x-ms-asx;video/x-msvideo;video/x-ms-wm;video/x-ms-wmv;video/x-ms-wmx;video/x-ms-wvx;video/x-nsv;video/x-ogm+ogg;video/x-theora+ogg;video/x-totem-stream;audio/x-pn-realaudio;audio/3gpp;audio/ac3;audio/AMR;audio/AMR-WB;audio/basic;audio/midi;audio/mp2;audio/mp4;audio/mpeg;audio/ogg;audio/prs.sid;audio/vnd.rn-realaudio;audio/x-aiff;audio/x-ape;audio/x-flac;audio/x-gsm;audio/x-it;audio/x-m4a;audio/x-matroska;audio/x-mod;audio/x-mp3;audio/x-mpeg;audio/x-ms-asf;audio/x-ms-asx;audio/x-ms-wax;audio/x-ms-wma;audio/x-musepack;audio/x-pn-aiff;audio/x-pn-au;audio/x-pn-wav;audio/x-pn-windows-acm;audio/x-realaudio;audio/x-real-audio;audio/x-sbc;audio/x-speex;audio/x-tta;audio/x-wav;audio/x-wavpack;audio/x-vorbis;audio/x-vorbis+ogg;audio/x-xm;application/x-flac;

To save updated file in Nano press Ctrl + X and then type y and enter. https://askubuntu.com/questions/54221/how-to-edit-files-in-a-terminal-with-nano

You can use other text editing apps to edit /usr/share/thumbnailers/totem.thumbnailer file if you're not comfortable using nano

and the restart nautilus

nautilus -q

Clear all the thumbnails again and check if you're problem is solved

rm -r ~/.cache/thumbnails

The command above will clear all the thumbnails again, go check them, they will not be monochromatic now

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