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authorUmang Jain <umang.jain@ideasonboard.com>2022-08-30 13:17:22 +0530
committerUmang Jain <umang.jain@ideasonboard.com>2022-09-01 16:49:59 +0530
commitd09c2bb127d5f96f4f397bd3ca11839840888b46 (patch)
tree489e3cb376e280a6d76dfe7ed5a658a258590495 /test/v4l2_subdevice
parente52729e7ec3f735b0078b70e25e5daf2e051c429 (diff)
libcamera: colorspace: Rectify the ColorSpace::Srgb preset
Rectify the ColorSpace::Srgb to denote that it does not use any Y'Cbcr encoding and uses full range. The kernel on the other hand, recommends to use Rec601 as the encoding for V4L2_COLORSPACE_SRGB. It is not very explicit but it can be inferred that the kernel assumes V4L2_COLORSPACE_SRGB is a YUV-encoded one. However, when the data is in RGB, no encoding is required (and this is denoted by YcbcrEncoding::None in libcamera). Hence, to be clear on the libcamera colorspace API, rectify the ColorSpace::Srgb preset to use YcbcrEncoding::None and full range. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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