[FFmpeg-user] remap with pixel interpolation

[Erik Dobberkau]

multiply the values in the mapping files by 16 so that

> the range is 12800x9600, and use the 4 least significant bits for pixel
>>> interpolation.
>>>
>>>
>>> Very bad suggestion.
>>
>> Better make remap filter use float pixel format for map files.
>>
>
> Which image format supports float grayscale?
>
>
IIUC Paul‘s comment isn’t referring to image formats, but to the
processing. In which case I would agree.

Erik