Hi On Sun, Nov 14, 2010 at 4:21 PM, Zeeshan Ali <zee...@gmail.com> wrote:
> > > One could also think > > > about reanimating the once proposed d-bus-based thumbnailer[1] if more > > > users show up. > > Rygel also needs this. Currently we just serve the thumbails if they've > been already created by another app but its very much desired to be able to > create them ourselves or request another entity to do that. > > > > [1]: http://live.gnome.org/ThumbnailerSpec > > > > That spec is over-engineered, and far too complicated for what we want > > to use it for. > > True and one reason I'm not using it already in Rygel. Another reason to > not use this spec is that IMHO we should have one service for both thumbnail > and albumart extraction/download with simple APIs (get the > thumbnail/albumart for this URI/album/artist and notify me when its done). > Maybe the spec is too verbose, but the API itself is simple for application developers: a "Queue" method to request the thumbnail, and a "Ready" signal with the URI of the result. This is really what needs to be wrapped in a nice GObject-based library (GThumbnail?) Then, as optimization, there are also the methods to avoid the recreation of the thumbnails when the images are moved/copied. There is a third part in the spec, to extend the thumbnailer daemon with out-of-process plugins accessible via DBus. These APIs are implemented by tumbler (open source, coming from the XFCE project) and it is used also in MeeGo. Album art is a different issue, and you depend there on external providers. Not that is not possible, but requires a second thought. In any case a common thumbnail system in the platform is good. Probably it deserves its own thread to discuss if somebody else is interested. Regards, Ivan
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