lcameraDev: Add session mgr lib for libcamera device binding

2026-06-13 12:02:04 -04:00
parent cc7f4fcd9b
commit 46f767f232
21 changed files with 1363 additions and 64 deletions
@@ -0,0 +1,46 @@
+#ifndef LCAMERA_DEV_CAMERA_SESSION_H
+#define LCAMERA_DEV_CAMERA_SESSION_H
+
+#include <cameraIdentity.h>
+#include <libcamera/camera.h>
+#include <memory>
+#include <spinscale/co/coQutex.h>
+#include <spinscale/sharedResourceGroup.h>
+
+namespace lcamera_dev {
+
+struct CameraSessionResources
+{
+	CameraSessionResources(
+		const CameraIdentityRecord& identity,
+		const std::shared_ptr<libcamera::Camera>& camera)
+	: identity(identity), camera(camera)
+	{}
+
+	int refcount = 0;
+	CameraIdentityRecord identity;
+	std::shared_ptr<libcamera::Camera> camera;
+};
+
+class CameraSession
+{
+public:
+	CameraSession(
+		const CameraIdentityRecord& identity,
+		const std::shared_ptr<libcamera::Camera>& camera);
+
+	const CameraIdentityRecord& getIdentityRecord() const
+		{ return s.rsrc.identity; }
+
+	const std::shared_ptr<libcamera::Camera>& getCamera() const
+		{ return s.rsrc.camera; }
+
+	void incrementRefcount();
+	bool decrementRefcount();
+
+	sscl::SharedResourceGroup<sscl::co::CoQutex, CameraSessionResources> s;
+};
+
+} // namespace lcamera_dev
+
+#endif // LCAMERA_DEV_CAMERA_SESSION_H