On 12/04/2008, mike <[EMAIL PROTECTED]> wrote: > > I just wanted to say I like tracker because it's small > and does a good job - thanks for it. > > I have a request having to do with its thumbnails (I > like having them, don't use gnome/kde/xfce so don't > know what else would generate them so don't want to > turn it off in tracker). > > The request is that: > > a) tracker use an app-local thumbnails dir, such as > ~/.cache/tracker/thumbnails, which I have seen other > apps keeping data local for themselves like this
AFAIK they can't do this: it breaks the freedesktop.org thumbnail storage specification. or > > b) allow a ./configure option to specify where they > should go That would still break the spec. or > > c) during routine indexing if tracker discovers > thumbnails that used to exist but are now gone it can > regenerate them? > > > Part of the reason for the request is because I see > that if I delete a thumbnail, tracker will no longer > display its associated hit in tracker search GUI. IOW > if I delete everything in ~/.thumbnails and do a > tracker search, 0 results are returned. IMHO tracker-search-tool should generate thumbnails. That's what file-managers do, and in many ways t-s-t is like a file-manager. But far more importantly (because I want to keep all > of tracker's thumbnails), this is an issue because I > use other apps which dump crap in ~/.thumbnails > (gqview for example) meaning ~/.thumbnails ends up > with thousands (and tens of thousands) of files > totalling hundreds of megs. This is a problem with the thumbnails specifications choice of the png format as the file-type for all thumbnails. A 128x128 colour thumbnail in png format might be about 20kB; the same thumbnail in jpeg format would be about 10kB ... and that's using the unnecessarily high 100% quality jpeg. I suppose in the end it comes down to relative amounts though: if you have enough images to give hundreds on megabytes of thumbnails ... then you must have a large hard drive and in proportion to all those images 200MB is quite small. Because some of these thumbnails were generated once > then many months (or years) later never accessed > again, they're a HUGE waste of space; so I run a cron > job cleaning ~/.thumbnails out every couple of weeks > by +atime. > > But now that tracker is mixing its in with these other > mostly useless thumbnails, I can't do that anymore. Actually I think you can. Looking at the thumbnail spec here: http://people.freedesktop.org/~vuntz/thumbnail-spec-cache/creation.html<http://people.freedesktop.org/%7Evuntz/thumbnail-spec-cache/creation.html>, there is sometimes a tag in the thumbnail saying who created it.
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