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Group AE, AWB, etc. controls together for accessibility.
Update descriptions for Contrast, Brightness, and Saturation controls.
Update the uvcvideo and vimc pipeline handlers to use the new
brightness, contrast and saturation units. UVC has no explicit units for
those controls, so map them with a best effort heuristic. For VIMC,
hardcode the control range based on knowledge of the driver
implementation for simplicity.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Rename:
ManualExposure -> ExposureTime
ManualGain -> AnalogueGain
Use micro-seconds units for ExposureTime. This is changed from milli-
seconds. The latter would not allow very low exposure times.
AnalogueGain switch to use a float to allow fractional gain adjustments.
Update the uvcvideo pipeline handler to use the new exposure and gain
units. For ExposureTime, UVC uses units of 100 micro-seconds, so map
the values before setting V4L2_CID_EXPOSURE_ABSOLUTE. For AnalogueGain,
UVC has no explicit gain units, so map the default gain value to 1.0
and linearly scale to the requested value.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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UVC devices support auto-exposure, expose the feature through the
AeEnable control.
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Move addition and processing of individual controls to separate
functions, to prepare for more complex mappings of control values.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Give a subdirectory to all pipeline handlers to make the structure of
the source tree more consistent. This will also simplify the
implementation of pipeline handlers selection at build time.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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