Hi,

I'm using Intrepid and get the same bug when I download videos from my 
video-cam in kdenlive (with firewire). Since a new .dv file is produced for 
every scene kdenlive detects (typically 5 to 20 seconds) I get easily some 
hundred .dv-files.
The title of the files is something like "capture131.dv" and I'd like to see 
the thumbnail to be able to identify the scene without opening it in totem. 

- That means, that the bug has nothing to do with the way how the movie
was moved to the computer (Bittorrent, Firewire, ...)

- I get the nearly 100% of CPU usage only if i open the folder with the files 
with nautilus. 
- If I wait until all files are thumbnailed, everything is fine (even with the 
opened folder).

- Filesize doesn't seem to matter for gnome-video-thumbnail since the
.dv-files are typically not very large (around 20 MB), but the
thumbnailing process still takes around 10 s for every file.  (for 200
scenes=files this makes still more than half an hour of 100% CPU usage).

I think, there is real issue (not only an inconvenience for thumbnailing
large movies) because 10 s of thumbnailing for a 5 MB file is not really
a good performance.

-- 
gnome-video-thumbnailer uses all available CPU power when using bittorrent
https://bugs.launchpad.net/bugs/79030
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