[FFmpeg-devel] [PATCH] avcodec/tiff: add limited support for ReferenceBlackWhite and YCbCrCoefficients tags

[Skakov Pavel]

> 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.