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authorDavid Plowman <david.plowman@raspberrypi.com>2021-12-10 14:44:19 +0000
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-12-13 11:29:01 +0200
commite86aed6166449189eaf1b7e9d734236797e3d0c3 (patch)
tree3fc1ae1b9aa912a70364bd4e58425caf90a38edd /src/v4l2
parent96f990ea6c8c0e3dbcb6b1c6f379fcc341529ea8 (diff)
libcamera: video_device: Convert between ColorSpace class and V4L2 formats
Add functions to the V4L2Device class to convert to and from libcamera ColorSpace. These functions are added to the base V4L2Device class so that they can be shared both by the video device class and subdevices. With the ColorSpace class, the color space and related other fields are stored together, corresponding to a number of fields in the various different V4L2 format structures. Template functions are therefore a convenient implementation, and we must explicitly instantiate the templates that will be needed. Note that unset color spaces are converted to requests for the device's "default" color space. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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