[libcamera-devel] [PATCH v2 08/12] libcamera: pipeline: raspberrypi: Set sensor flip based on rotation

Laurent Pinchart laurent.pinchart at ideasonboard.com
Sat Jul 4 02:52:23 CEST 2020


Instead of receiving sensor orientation configuration from the IPA,
retrieve it from the CameraSensor Rotation property, and configure the
HFLIP and VFLIP controls accordingly.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index 74bee6895dcd..fda6831e6a7e 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -16,6 +16,7 @@
 #include <libcamera/formats.h>
 #include <libcamera/ipa/raspberrypi.h>
 #include <libcamera/logging.h>
+#include <libcamera/property_ids.h>
 #include <libcamera/request.h>
 #include <libcamera/stream.h>
 
@@ -1174,6 +1175,13 @@ int RPiCameraData::configureIPA()
 	ipa_->configure(sensorInfo, streamConfig, entityControls, ipaConfig,
 			nullptr);
 
+	/* Configure the H/V flip controls based on the sensor rotation. */
+	ControlList ctrls(unicam_[Unicam::Image].dev()->controls());
+	int32_t rotation = sensor_->properties().get(properties::Rotation);
+	ctrls.set(V4L2_CID_HFLIP, static_cast<int32_t>(!!rotation));
+	ctrls.set(V4L2_CID_VFLIP, static_cast<int32_t>(!!rotation));
+	unicam_[Unicam::Image].dev()->setControls(&ctrls);
+
 	return 0;
 }
 
@@ -1202,10 +1210,6 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData
 					      { V4L2_CID_EXPOSURE, action.data[1] } });
 			sensorMetadata_ = action.data[2];
 		}
-
-		/* Set the sensor orientation here as well. */
-		ControlList controls = action.controls[0];
-		unicam_[Unicam::Image].dev()->setControls(&controls);
 		return;
 	}
 
-- 
Regards,

Laurent Pinchart



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