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libcamera: camera_sensor: Add support for embedded data

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Some sensors support producing and transmitting embedded data over a
stream separate from the image stream. Add support for this feature in
the CameraSensor interface, and implement it for the CameraSensorRaw
class. The CameraSensorLegacy uses the default stub implementation, as
the corresponding kernel drivers don't support embedded data.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Laurent Pinchart
2024-02-29 02:21:15 +02:00
committed by Jacopo Mondi
parent a09c7f212c
commit 3feb4df755
3 changed files with 144 additions and 0 deletions
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5
include/libcamera/internal/camera_sensor.h
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@@ -62,6 +62,11 @@ public:
Transform transform = Transform::Identity,
V4L2SubdeviceFormat *sensorFormat = nullptr) = 0;
virtual V4L2Subdevice::Stream imageStream() const;
virtual std::optional<V4L2Subdevice::Stream> embeddedDataStream() const;
virtual V4L2SubdeviceFormat embeddedDataFormat() const;
virtual int setEmbeddedDataEnabled(bool enable);
virtual const ControlList &properties() const = 0;
virtual int sensorInfo(IPACameraSensorInfo *info) const = 0;
virtual Transform computeTransform(Orientation *orientation) const = 0;