Hi,
There are a few REALLY simple ways to circumvent this.

1) use imagemagick, because it can thumbnail everything... really.... pdf, images, movies.... Here is one for movies

[Thumbnailer Entry]
TryExec=convert
Exec=convert %i[0] -thumbnail %s %o
MimeType=application/mxf;application/ogg;application/ram;application/sdp;application/vnd.apple.mpegurl;application/vnd.ms-asf;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/3gp;video/3gpp;video/dv;video/divx;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.mpegurl;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-mpeg2;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/flac;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-s3m;audio/x-sbc;audio/x-speex;audio/x-stm;audio/x-tta;audio/x-wav;audio/x-wavpack;audio/x-vorbis;audio/x-vorbis+ogg;audio/x-xm;application/x-flac;

save it as /usr/share/thumbnailers/imagemagick-video.thumbnailer
 voila, fast, and easy

2) delete the totem-video-thumbnailer file from the same directory

no more pesky thumbnails.

Of course, you need (from a terminal... you can use these commands)
pkill pcmanfm
and then rerun
pcmanfm --desktop &disown

thumbnails are stored in
~/.thumbnails/{normal,large}
which (if it is unclear) means
~/.thumbnails/normal/
~/.thumbnails/large/

Hope this helps.


On 08/23/2016 04:21 PM, Mark F wrote:
Would it be possible for Lubuntu to have 2-3 default configurations users could choose from during install (or, initial boot)?

I like Lubuntu on a relatively robust laptop just because I don't need a lot of eye candy. But, I always find myself wishing it was a little more visually attractive. (I'm looking at Xubuntu right now. But, something about X doesn't grab me. Lubuntu always strikes me as a little more familiar to a Windows user.).

Anyway, to me I (personally) wouldn't want to see Lubuntu default to less visual effects. I'd like more, actually. But, I agree that it's targeted to low-resource machines and it would make more sense to do what you ask.

On Tue, Aug 23, 2016 at 1:40 PM, <[email protected] <mailto:[email protected]>> wrote:

    Hi everyone,

    I just discovered that pcmanfm makes thumbnails of every little
    video snippet, and in my case it appears to consume a lot of power
    on a laptop with an i3 CPU when i opened a folder with video clips
    that i have made for a tutorial.
    It worked and worked, and don't even need thumbnails there...

    Now, in a way it sometimes can be cute to have thumbnails, but in
    comparison of the resources it consumes to make the thumbnails it
    didn't seem to make sense to have this in an environment that is
    configured as 'light'.

    Also I wonder where those thumbnails are stored and how this is
    going to affect this laptop's performance in the log run.

    In short: In my opinion it would make sense to have this feature
    turned off by default.

    ,
    WP.

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