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authorJacopo Mondi <jacopo.mondi@ideasonboard.com>2023-01-18 14:42:41 +0100
committerJacopo Mondi <jacopo.mondi@ideasonboard.com>2023-04-30 18:41:17 +0200
commit680cde6005096677688ed976bdc758763774036c (patch)
tree97a981e515e439ae5a1bb3dee9fbc3d5633a13c5 /Documentation
parent608af3127cd2be4540121cc16ee43b8bc4ac009d (diff)
libcamera: imx8-isi: Split Bayer/YUV config generation
At generateConfiguration() a YUV/RGB pixel format is preferred for the StillCapture/VideoRecording/Viewfinder roles, but currently there are no guarantees in place that the sensor provides a non-Bayer bus format from which YUV/RGB can be generated. This makes the default configuration generated for those roles not to work if the sensor is a RAW-only one. To improve the situation split the configuration generation in two, one for YUV modes and one for Raw Bayer mode. StreamRoles assigned to a YUV mode will try to first generate a YUV configuration and then fallback to RAW if that's what the sensor can provide. As an additional requirement, for YUV streams, the generated mode has to be validated with the sensor to confirm the desired sizes can be generated as the ISI cannot up-scale. In order to test a format use the newly introduced CameraSensor::tryFormat(). Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Tested-by: Daniel Scally <dan.scally@ideasonboard.com>
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