[FFmpeg-devel] [PATCH 4/7] Adds gray floating-point pixel formats.

Reto Kromer lists at reto.ch
Wed Aug 22 11:40:04 EEST 2018


Martin Vignali wrote:

>But maybe to make tests simpler, we can use/add bit exact
>conversion for uint8 to float, we can generate a LUT without
>float calc and for uint16 to float, we can add a uint16 to
>float conversion without float calc, or maybe, generate a LUT
>in bit exact mode (probably faster, if it's acceptable to have
>a LUT for 16bit entries)

In my experience, a LUT in bit exact mode is indeed faster. To
me the proposed addition would be useful. And I guess LUTs for
16-bit entries will become necessary anyway at some point...

Thank you! Reto



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