[FFmpeg-user] remap with pixel interpolation

[Michael Koch]

Am 29.06.2022 um 09:15 schrieb Paul B Mahol:
> On Wed, Jun 29, 2022 at 8:56 AM Michael Koch <astroelectronic at t-online.de>
> wrote:
>
>> Suggestion for improvement:
>> Add pixel interpolation to the remap filter. For example if the output
>> size is 800x600, 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?

Michael