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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-09-05 19:38:52 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-09-08 16:43:32 +0300
commit560ceb1ea854b1cb0c7d91efffa0e7aabbed2328 (patch)
treec5dcb0c3a859ff4211ec6978af2fb395ea794fda /Documentation/environment_variables.rst
parent5a9fd9a95cce4ab17c9cf5d9e0c33a008255bedb (diff)
libcamera: v4l2_subdevice: Silence warning for unknown metadata formats
Commit e297673e7686 ("libcamera: v4l2_device: Adjust colorspace based on pixel format") has introduced a warning when trying to convert a color space from V4L2 to libcamera if the media bus code is unknown. This was meant to catch unknown image formats, but turned out to be also triggered for metadata formats. Color spaces are not applicable to metadata formats, there should thus be no warning. Fix it by skipping the color space translation and returning std::nullopt directly if the kernel reports V4L2_COLORSPACE_DEFAULT. This doesn't introduce any change in behaviour other than getting rid of the warning, as the V4L2Device::toColorSpace() function returns std::nullopt already in that case. Fixes: e297673e7686 ("libcamera: v4l2_device: Adjust colorspace based on pixel format") Reported-by: Naushir Patuck <naush@raspberrypi.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Tested-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
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