[libcamera-devel] [PATCH v4 1/2] pipeline: raspberrypi: Split out device enumeration and camera registration

Naushir Patuck naush at raspberrypi.com
Fri Nov 26 16:35:37 CET 2021


Split out PipelineHandlerRPi::match() so that media device enumeration and
acquisition is separated from camera registration. The former logic remains
in PipelineHandlerRPi::match(), whereas the latter logic is moved into a new
PipelineHandlerRPi::registerCamera() member function.

Signed-off-by: Naushir Patuck <naush at raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index ad526a8be6a2..5a6dfa4e8b2a 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -314,6 +314,7 @@ private:
 		return static_cast<RPiCameraData *>(camera->_d());
 	}
 
+	bool registerCamera();
 	int queueAllBuffers(Camera *camera);
 	int prepareBuffers(Camera *camera);
 	void freeBuffers(Camera *camera);
@@ -1013,6 +1014,11 @@ bool PipelineHandlerRPi::match(DeviceEnumerator *enumerator)
 	if (!isp_)
 		return false;
 
+	return registerCamera();
+}
+
+bool PipelineHandlerRPi::registerCamera()
+{
 	std::unique_ptr<RPiCameraData> data = std::make_unique<RPiCameraData>(this);
 	if (!data->dmaHeap_.isValid())
 		return false;
@@ -1173,7 +1179,7 @@ bool PipelineHandlerRPi::match(DeviceEnumerator *enumerator)
 	const std::string &id = data->sensor_->id();
 	std::shared_ptr<Camera> camera =
 		Camera::create(std::move(data), id, streams);
-	registerCamera(std::move(camera));
+	PipelineHandler::registerCamera(std::move(camera));
 
 	return true;
 }
-- 
2.25.1



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