hi, indeed this also comes out black on export on my system, as well as the preview pipeline seems to remain black.
let me see if i understand what's going on. cheers, jo On Fri, May 25, 2018 at 4:51 AM, Bernard <bdebr...@teaser.fr> wrote: > Hi to Everyone, > > I have been using Darktable for several years, getting good results for my > purpose. The last version which I used with no known problems, was > v1:1.6.6.0 on my laptop running Ubuntu 13.04. > > Now, I have installed Darktable 2.2.5.2~2bpo9+1 on my new desktop (RAM 8 GB, > 1GHz processor core 2) running Debian Stretch. On it, same as with the older > versions, I treat Canon CR2s by batch of 100 images. At first, I import 100 > images, then I apply a style which I have created quite some time ago, > re-created on my new version, which style flips the images, corrects the > optical defects of my camera, applies the appropriate base curve, sharpens > the image, not with the usually dedicated tool but with the equalizer > instead, sets the levels to 'automatic' with 52,2% grey and 100% black, all > this being applied to the whole batch. Thereafter, I reshape each image > cutting out useless areas. This being done, I export the whole batch to jpg > at 89% accuracy. As said before, this worked perfectly on Darktable > 1:1.6.0... but on Darktable 2.2.5.2 it does not work for all images. On a > batch of 100, only 92 images gave good results, the 8 remaining are black. > The good images size about 3,5 to 4,6 MB, that is, somewhat less than what I > obtained before (which was about 1,5 to 2 times bigger), the black failed > images being only abour 150 Kb. > > This test has been reproduced about 4 or 5 times over a few weeks, giving > similar results in likewise proportions. > > Example of Image numbers that turned black : > > IMG_7801.CR2 IMG_7801.CR2.xmp IMG_7801.jpg > > IMG_7813.CR2 IMG_7813.CR2.xmp IMG_7813.jpg > > Example of Image numbers that turned OK : > > IMG_7814.CR2 IMG_7814.CR2.xmp IMG_7814.jpg > > IMG_7815.CR2 IMG_7815.CR2.xmp IMG_7815.jpg > > you can get them this way: > > http://bdebreil.free.fr/Darktable/IMG_7801.CR2 > http://bdebreil.free.fr/Darktable/IMG_7801.CR2.xmp > http://bdebreil.free.fr/Darktable/IMG_7801.jpg > > etc.. > > Thanks in advance for your help > > Bernard > > ____________________________________________________________________________ > darktable user mailing list > to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
