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Przemyslaw Majdak
612c4a3c7f
DPX at 10 or 12 bits and Cineon (always 10) are planned as U16, so
DepthReduced, which compares sample types, never fired: a 16-bit document
saved at 10 bits lost six bits per sample silently, and a float one was
told it would be reduced to 16-bit.
FidelityWarning::BitsReduced { from, bits } names the stored depth. Float
samples always get it; U16 ones only when some sample is not already a
code value at that depth, so a frame opened from a 10- or 12-bit file
saves back without a warning. U8 widens losslessly and stays silent.