gnome-video-thumbnailer started to crash

Bug #80758 reported by Bogdan Butnaru
2
Affects Status Importance Assigned to Milestone
gstreamer (Ubuntu)
New
Undecided
Unassigned
nautilus (Ubuntu)
Invalid
Undecided
Ubuntu Desktop Bugs

Bug Description

Binary package hint: nautilus

I used to have thumbnails for (most) video files shown in nautilus. A while ago it stopped generating new thumbnails. (Video files that already have thumbnails calculated still have their thumbnails shown correctly.) When I look at a new video file, the "computing preview" icon is shown for a while, then the normal video icon (just a roll of film on my theme) is shown.

I couldn't figure out what's wrong -- I assume the thumbnailer crashes, but I have no idea where to look for errors. I don't even know exactly what package generates the thumbnails and how. Are there several options? (As in, does it always use totem, or can I tell it to use mplayer or vlc to generate the thumbnails?)

I can look for more info if someone directs me.

(A few other issues, perhaps someone can help me: how do I get nautilus to rebuild the thumbnail for a file, other than deleting all thumbnails? And how do I get it to build higher-resolution thumbnails?)

Revision history for this message
Bogdan Butnaru (bogdanb) wrote :

OK, I digged a bit more and I found out how thumbnails get generated. The thumbnailer registered for the files (or at least some that I tried) is "/usr/bin/gnome-video-thumbnailer -s %s %u %o", which looks OK. I tried running it by hand with

/usr/bin/gnome-video-thumbnailer -s 128 '/media/testfile.avi' output.png

(which seems to be the correct way) and I got
************
(process:21395): GStreamer-WARNING **: The GStreamer function gst_init_get_option_group() was
        called, but the GLib threading system has not been initialised
        yet, something that must happen before any other GLib function
        is called. The application needs to be fixed accordingly, please
        file a bug against this application.

GThread-ERROR **: GThread system may only be initialized once.
aborting...
Aborted (core dumped)
************

If you need the core dump, please tell me where I can find it, I never knew where they are placed.

Revision history for this message
Bogdan Butnaru (bogdanb) wrote :

Can anyone please tell me where to report this, "dpkg -S gnome-video-thumbnailer" didn't find anything.

Revision history for this message
Bogdan Butnaru (bogdanb) wrote :

The error mentioned GStreamer, so perhaps it's related to that.

Revision history for this message
Sebastien Bacher (seb128) wrote :

Thanks for the bug report. This particular bug has already been reported, but feel free to report any other bugs you find.

Changed in nautilus:
assignee: nobody → desktop-bugs
status: Unconfirmed → Rejected
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