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

[James Almer]

On 10/4/2019 3:24 AM, 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.

Is it feasible for this to use av_reduce() with INT_MAX as max argument?
It takes int64_t as input values, so UINT_MAX should be fine.

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