[libcamera-devel] [PATCH 5/5] libcamera: camera_sensor: Retrieve sensor sizes

[Jacopo Mondi]

Retrieve the camera sensor pixel array sizes and the active pixel sizes
using the V4L2 selection APIs.

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 src/libcamera/camera_sensor.cpp       | 13 +++++++++++++
 src/libcamera/include/camera_sensor.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index 2703d10c719e..e6b01c242328 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -114,6 +114,19 @@ int CameraSensor::init()
 		return -EINVAL;
 	}
 
+	/* Retrieve and store the sensor pixel array and active area sizes. */
+	ret = subdev_->getCropBounds(0, &activeAreaSize_);
+	if (ret)
+		return ret;
+
+	Rectangle rect = {};
+	ret = subdev_->getNativeSize(0, &rect);
+	if (ret)
+		return ret;
+
+	pixelArraySize_.width = rect.w;
+	pixelArraySize_.height = rect.h;
+
 	/* Enumerate and cache media bus codes and sizes. */
 	const ImageFormats formats = subdev_->formats(0);
 	if (formats.isEmpty()) {
diff --git a/src/libcamera/include/camera_sensor.h b/src/libcamera/include/camera_sensor.h
index a237a1684605..f6b184bf2838 100644
--- a/src/libcamera/include/camera_sensor.h
+++ b/src/libcamera/include/camera_sensor.h
@@ -58,6 +58,8 @@ private:
 	std::vector<Size> sizes_;
 
 	CameraLocation location_;
+	Size pixelArraySize_;
+	Rectangle activeAreaSize_;
 };
 
 } /* namespace libcamera */
-- 
2.22.0