On Fri, Oct 04, 2019 at 09:24:05AM +0300, Skakov Pavel wrote: > >You should use AVRationals instead. It's ideal seeing the way these > >values are coded in the bitstream. > > > >See libavutil/rational.h >
> Can AVRational be used even through the values are essentially unsigned? > LibTIFF really likes to encode 0..1 values with denominator 0xFFFFFFFF. floats do not have enough precission to store unsigned 32/32bit fractions just consider a float has 32bit (and a good part is really small and large numbers) the faction has 64bits with num+den. Thats not awnsering your question but rather i wonder why you ask it here instead of with floats for 32bit signed fractions. i think the difference wontg matter but you should probably test this ... Thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Breaking DRM is a little like attempting to break through a door even though the window is wide open and the only thing in the house is a bunch of things you dont want and which you would get tomorrow for free anyway
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