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The problem occurs when the calculation could lead to a final row (or column) of grid squares with no pixels in them (and hence, NaNs). One specific case is a Pi 5 with an image width (or height) of 1364, so that's 682 Bayer quads. To give 32 grid squares it was calculating 22 quads per cell. However, 31 * 22 = 682 leaving nothing in the final column. The fix is to do a rounding-down division by the number of cells minus one, rather than a rounding-up division by the number of cells. This turns the corner case from one where the final row/column has no pixels to one where we don't quite cover the full image, which is how we have to handle these cases. Bug: https://github.com/raspberrypi/libcamera/issues/254 Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> |
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| .. | ||
| alsc_only.py | ||
| cac_only.py | ||
| colors.py | ||
| convert_tuning.py | ||
| ctt.py | ||
| ctt_alsc.py | ||
| ctt_awb.py | ||
| ctt_cac.py | ||
| ctt_ccm.py | ||
| ctt_config_example.json | ||
| ctt_dots_locator.py | ||
| ctt_geq.py | ||
| ctt_image_load.py | ||
| ctt_lux.py | ||
| ctt_macbeth_locator.py | ||
| ctt_noise.py | ||
| ctt_pisp.py | ||
| ctt_pretty_print_json.py | ||
| ctt_ransac.py | ||
| ctt_ref.pgm | ||
| ctt_tools.py | ||
| ctt_vc4.py | ||
| ctt_visualise.py | ||