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authorSebastian Fricke <sebastian.fricke@posteo.net>2021-01-26 19:48:53 +0100
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-02-04 21:00:38 +0200
commitd121f6c83f3da5ea6a58556a64d50354ea8efd35 (patch)
tree2b8384aab11001d576fe2d677aa7c8fe53d14969 /test/v4l2_videodevice/v4l2_videodevice_test.cpp
parentc440c828bc071effb76e60968c9d4a4a74c134df (diff)
libcamera: bayer_format: Add the transpose transformation
To transpose a BayerFormat means to flip it over its main diagonal. For example: G B G R -> R G B G The main diagonal goes from the top left to the bottom right. This means, that the only two orders affected by a transpose are GBRG & GRBG. When a transpose is used in combination with horizontal and/or vertical flips it is performed after the flips. Therefore add the functionality by switching GBRG (index 1) with GRBG (index 2), after the flips have been applied. Signed-off-by: Sebastian Fricke <sebastian.fricke@posteo.net> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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