1 files changed, 23 insertions, 0 deletions
diff --git a/src/ipa/rpi/controller/black_level_algorithm.h b/src/ipa/rpi/controller/black_level_algorithm.h
new file mode 100644
index 00000000..c2cff2f5
--- /dev/null
+++ b/src/ipa/rpi/controller/black_level_algorithm.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * black_level_algorithm.h - black level control algorithm interface
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class BlackLevelAlgorithm : public Algorithm
+{
+public:
+	BlackLevelAlgorithm(Controller *controller)
+		: Algorithm(controller) {}
+	/* A black level algorithm must provide the following: */
+	virtual void initialValues(uint16_t &blackLevelR, uint16_t &blackLevelG,
+				   uint16_t &blackLevelB) = 0;
+};
+
+} /* namespace RPiController */