![]() Thanks for looking into this, but some more details would be it would be useful if you could send me the same sample so I can try to figure out what Darktable is doing by looking for 0x3e9d. QuoteI haven't looked at it in detail but the end result is that the Tiff parsing of the Olympus Image Processing IFD now fails by finding a tag whose type is 0x3e9d. (Food for thought: Adobe will always edit DNG images, and they have all the same pitfalls as other RAW formats, and nobody is going to stop Nikon from shipping software that modifies their NEF images.) However, editing RAW files is not going to go away. Because of how poorly documented and absolute-offset based these formats are there's just no sane way to edit them and be sure they didn't break. We would really appreciate if people would stop editing raw files, it's a very bad idea that can only lead to issues like these. It's never a good idea and users will keep shooting themselves in the foot with it. Ideally exiftool (and we've had the same issue with digikam) would stop editing raw files completely. I suspect other tools are reading up to that value and failing silently after that. So even if WB has been read before it won't be used. rawspeed will throw an exception at that point and abort reading the IFD. I haven't looked at it in detail but the end result is that the Tiff parsing of the Olympus Image Processing IFD now fails by finding a tag whose type is 0x3e9d. Because of how poorly documented and absolute-offset based these formats are there's just no sane way to edit them and be sure they didn't break.Īs for this case in particular the issue seems to be with that "fix" exiftool did. I've added a bunch of formats to rawspeed and we have since stopped using libraw (dcraw based) completely. Hi, I'm the darktable developer that works most with raw formats. ![]() Quote from: Phil Harvey on April 30, 2015, 10:51:26 AMĪlso, I have analyzed the file structure, and the only significant change I can find is that ExifTool fixes an overlapping tag value in the Olympus ImageProcessingIFD.
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