Re: [Tracker] fd.o compliant thumbnailing

[Jamie McCracken <jamiemcc blueyonder co uk>]

Erlend Davidson wrote:
> Jamie McCracken wrote:
> > Erlend Davidson wrote:
> >
> > > That would require a whole standard for thumbnailers... the thunar 
> > > ones take three or four command-line arguments (input file, size, 
> > > output file and optionally the URI of the file), this should be 
> > > sufficient, but someone might want more and then the standard would 
> > > break.
> > not really the same arguments are used by gnome in its gconf based 
> > thumbnailers so its already a de facto standard. (A;though I dont know 
> > what KDE uses?)
> KDE is slightly different I think.  For example with kwebdesktop (which 
> is used to thumbnail webpages),
>
> kwebdesktop 640 480 output_file input_file.
>
>
> This is not an impossible problem to overcome however, as the thunar way 
> of calling external thumbnailers involves the use of a .desktop file, like:
>
> ---< html-thumbnailer.desktop >---
> [Desktop Entry]
> Version=1.0
> Encoding=UTF-8
> Type=X-Thumbnailer
> TryExec=kwebdesktop
> MimeType=text/html;
> Name=HTML Thumbnailer
> X-Thumbnailer-Exec=kwebdesktop 640 480 %o %u
>
>
> which can be used to change the order of arguments.
> > > Incidently tracker uses the same command-line arguments as thunar for 
> > > thumbnailers.  Coud you possibly change tracker to use the same 
> > > directory as thunar?
> > thats my point - the only thing not standardised is the location of 
> > the scripts and thats why a freedesktop specified location would be 
> > preferred by tracker.
> I might e-mail the xdg list.
> > In the short term, I can of course check for gnome thumbs using 
> > GConfTool (which does not require linking in GConf) and as you say the 
> > thunar directory if it exists so patches welcome for that.
> >
> > feel free to add a bugzilla enhancement request 
> > (http://bugzilla.gnome.org) to tracker and I will get round to it 
> > eventually if no patch is forthcoming
> What area of the source should I look in to?

src/trackerd/tracker-metadata.c

function tracker_metadata_get_thumbnail

--
Mr Jamie McCracken
http://jamiemcc.livejournal.com/