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| author | Naushir Patuck <naush@raspberrypi.com> | 2021-01-19 15:30:46 +0000 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2021-01-20 14:13:50 +0200 |
| commit | 92b8ccc42a0f3ad323c79bde3c132d6956011239 (patch) | |
| tree | c0e5beff20fd126387ba78d26977bdc37b2c61cf /Documentation/conf.py | |
| parent | 6232ec3c164102eb59c2deec9facb6552b55cca0 (diff) | |
libcamera: raspberrypi: Add control of sensor vblanking
Add support for setting V4L2_CID_VBLANK appropriately when setting
V4L2_CID_EXPOSURE. This will allow adaptive framerates during
viewfinder use cases (e.g. when the exposure time goes above 33ms, we
can reduce the framerate to lower than 30fps).
The minimum and maximum frame durations are provided via libcamera
controls, and will prioritise exposure time limits over any AGC request.
V4L2_CID_VBLANK is controlled through the staggered writer, just like
the exposure and gain controls.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-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>
Diffstat (limited to 'Documentation/conf.py')
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