ccm.h

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2026, Ideas On Board
 *
 * IPU3 Colour correction matrix algorithm
 */
 
#pragma once
 
#include <linux/intel-ipu3.h>
 
#include <libcamera/controls.h>
 
#include "libcamera/internal/value_node.h"
 
#include <libipa/ccm.h>
#include <libipa/fixedpoint.h>
 
#include "algorithm.h"
#include "ipa_context.h"
 
namespace libcamera {
 
namespace ipa::ipu3::algorithms {
 
class Ccm : public Algorithm
{
public:
    int init(IPAContext &context, const ValueNode &tuningData) override;
    int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
    void queueRequest(IPAContext &context, const uint32_t frame,
              IPAFrameContext &frameContext,
              const ControlList &controls) override;
    void prepare(IPAContext &context, const uint32_t frame,
             IPAFrameContext &frameContext,
             ipu3_uapi_params *params) override;
    void process(IPAContext &context, const uint32_t frame,
             IPAFrameContext &frameContext,
             const ipu3_uapi_stats_3a *stats,
             ControlList &metadata) override;
 
private:
    void setParameters(ipu3_uapi_params *params, IPAFrameContext &context);
    CcmAlgorithm<Q<3, 13>> ccmAlgo_;
};
 
} /* namespace ipa::ipu3::algorithms */
} /* namespace libcamera */