Hi!
>>That would be interesting if RawSpeed ends up supporting Fuji sensors..
I have a version that supports Fuji (including X-trans). I actually only
miss camera definitions and documentation, and a bit more testing to feel
comfortable. Also, I will have a final look through the interface to make
sure it makes sense and will not break to easily.
Importing it into darktable shouldn't be a big deal - only a few files to
be added to the build system, though I am not sure I would add it to
"stable" releases - I like being conservative.
If the image is "pre-xtrans", it will return 45 degree rotated images.
Xtrans is of course returned un-rotated.
As with other formats, it doesn't do any de-mosaic or transformation other
that value scaling.
I can fairly soon do a drop, which adds the support, which will probably be
disabled by default.
As a side-note, it also supports Sigma sensors - however, since RawSpeed
doesn't do any of the work that "foveon_interpolate" does in dcraw, it
might be a bit more tricky to implement. However, I don't think color
interpolation belongs in a decoder. On the plus side the Sigma decoder
should be considerably faster.
Regards, Klaus
Regards, Klaus Post
http://www.klauspost.com
On Tue, Feb 4, 2014 at 9:12 PM, Dan Torop <[email protected]> wrote:
> Thank you both for all the thoughts...
>
> There's a fork at https://github.com/dtorop/darktable with a branch
> "xtrans2" with the changes so far, bundled into a few commits.
>
> Misc. notes
>
> - I haven't tested if the switch to LibRaw 0.16.0 breaks other things.
>
> - That would be interesting if RawSpeed ends up supporting Fuji
> sensors... As the LibRaw loading seems functional now, that could still
> be a starting point for the rest of the work?
>
> - Right now "filters" in image_ t is overloaded to differentiate Bayer
> from X-Trans mosaics. If "filters" is 9 (an arbitrary magic number from
> dcraw), the mosaic layout is in "xtrans", not "filters". Would it be
> better to have a flag to specify if the image has a Bayer or X-Trans
> mosaic? Not to bloat the image_t even more...
>
> - The in-progress demosaic code uses linear interpolation modified from
> dcraw (a slight improvement from the grayscale code I mentioned
> yesterday). The mosaic is visible in the 1:1 view, though, perhaps from
> an roi offsetting mistake on my part.
>
> - The in-progress fast clip/zoom code is totally off, a quick/flawed
> rehash of existing DT code.
>
> The point about maintenance of code not used by core devs seems really
> key... Still am glad if any of this so far is of use. Am happy to hear
> further thoughts, and I'll hope to improve this.
>
> Thank you,
> Dan
>
>
> On Tue, Feb 4, 2014, at 05:43 AM, Tobias Ellinghaus wrote:
> > Am Dienstag, 4. Februar 2014, 10:08:24 schrieb johannes hanika:
> >
> > [...]
> >
> > > > - A potential patch could be pretty invasive -- not just requiring
> the
> > > > LibRaw upgrade
> > >
> > > that's great, we should have done that earlier i guess.
> >
> > AFAIK there is ongoing work to support some of these Fuji sensors in
> > rawspeed,
> > so maybe it would be better to wait for that update and ignore libraw.
> > That
> > part is going to die as soon as possible anyway.
> >
> > [...]
> >
> > Tobias
> >
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