1 files changed, 58 insertions, 0 deletions
diff --git a/src/ipa/raspberrypi/controller/controller.h b/src/ipa/raspberrypi/controller/controller.h
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+++ b/src/ipa/raspberrypi/controller/controller.h
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+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ *
+ * controller.h - ISP controller interface
+ */
+#pragma once
+
+/*
+ * The Controller is simply a container for a collecting together a number of
+ * "control algorithms" (such as AWB etc.) and for running them all in a
+ * convenient manner.
+ */
+
+#include <vector>
+#include <string>
+
+#include <linux/bcm2835-isp.h>
+
+#include "camera_mode.h"
+#include "device_status.h"
+#include "metadata.h"
+
+namespace RPiController {
+
+class Algorithm;
+typedef std::unique_ptr<Algorithm> AlgorithmPtr;
+typedef std::shared_ptr<bcm2835_isp_stats> StatisticsPtr;
+
+/*
+ * The Controller holds a pointer to some global_metadata, which is how
+ * different controllers and control algorithms within them can exchange
+ * information. The Prepare function returns a pointer to metadata for this
+ * specific image, and which should be passed on to the Process function.
+ */
+
+class Controller
+{
+public:
+	Controller();
+	Controller(char const *jsonFilename);
+	~Controller();
+	Algorithm *createAlgorithm(char const *name);
+	void read(char const *filename);
+	void initialise();
+	void switchMode(CameraMode const &cameraMode, Metadata *metadata);
+	void prepare(Metadata *imageMetadata);
+	void process(StatisticsPtr stats, Metadata *imageMetadata);
+	Metadata &getGlobalMetadata();
+	Algorithm *getAlgorithm(std::string const &name) const;
+
+protected:
+	Metadata globalMetadata_;
+	std::vector<AlgorithmPtr> algorithms_;
+	bool switchModeCalled_;
+};
+
+} /* namespace RPiController */