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Merge pull request #7330 from Lawrence37/minolta-rd175-libraw-fix

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Minolta RD175 LibRaw white level fix
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Lawrence37 2025-03-23 12:34:41 -07:00 committed by GitHub
commit 5f7cea0bcb
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1 changed files with 10 additions and 0 deletions
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10
rtengine/rawimage.cc
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@ -796,12 +796,22 @@ int RawImage::loadRaw(bool loadData, unsigned int imageNum, bool closeFile, Prog
#ifdef LIBRAW_USE_OPENMP #ifdef LIBRAW_USE_OPENMP
MyMutex::MyLock lock(*librawMutex); MyMutex::MyLock lock(*librawMutex);
#endif #endif
// For some cameras like Minolta RD175, the real white level is
// read with LibRaw::unpack(). Here, we initialize LibRaw's
// maximum with the value read earlier. Later, we read the value
// back in case it has changed.
libraw->imgdata.color.maximum = maximum;
err = libraw->unpack(); err = libraw->unpack();
} }
if (err) { if (err) {
return err; return err;
} }
// Update white level in case LibRaw::unpack() read a new value.
maximum = libraw->imgdata.color.maximum;
auto &rd = libraw->imgdata.rawdata; auto &rd = libraw->imgdata.rawdata;
raw_image = rd.raw_image; raw_image = rd.raw_image;
if (rd.float_image) { if (rd.float_image) {