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Our default Resample kernels introduce a slight sharpening even at unity scale and zero phase. Resample itself will truncate to 12-bit precision. So it's best to disable it in this case.

(Both libcamera and the "convert" example seem to enable Smart Resize indiscriminately.)

Our default Resample kernels introduce a slight sharpening even
at unity scale and zero phase. Resample itself will truncate to
12-bit precision. So it's best to disable it in this case.

Signed-off-by: Nick Hollinghurst <[email protected]>
@njhollinghurst njhollinghurst merged commit 931d086 into raspberrypi:main Jul 25, 2025
6 of 7 checks passed
@njhollinghurst njhollinghurst deleted the no-unity-resample branch July 25, 2025 11:12
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2 participants