Re: [Tracker] Indexing RAW images files

[jamie <jamiemcc blueyonder co uk>]

On Wed, 2007-11-21 at 07:36 +0100, Tommaso Schiavinotto wrote:
> I would like to report to the mailing list a critic enhancement
> for dealing with RAW images files.
>
> I filed a bug about this.
>
> I don't actually know if it is the indexing or the thumbnail creation,
> anyway having a lot of RAW images files from digital cameras, I got problems
> using tracker.
>
> Tracker uses a lot of memory and CPU to index (or thumbnail) RAW images.
>
> In fact using the 'convert' command by Imagemagick RAW images
> are indexed (or thumbnailed) through a delegate
> (/usr/lib/ImageMagick-6.2.4/config/delegates.xml in Gutsy Gibbon) that
> uses the
> following command line:
> dcraw -w -c
> Now this is useless both for indexing, since metadata should be
> extracted with:
> dcraw -i -v
> it does not need to decode the image and it's much faster.
> If you instead need a thumbnail using
> dcraw -e
> you can use the thumbnail inside the RAW file, with no need for decoding.
>
> In both cases it would be very fast and not memory demanding. To do this you
> should deal with RAW images as special cases and do not let convert deal
> with
> them.

thanks we will investigate doing this

jamie