libcamera/include/libcamera/internal/software_isp/debayer_params.h
2025-07-12 00:00:59 +00:00

63 lines
1.4 KiB
C++

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2023-2025 Red Hat Inc.
*
* Authors:
* Hans de Goede <hdegoede@redhat.com>
*
* DebayerParams header
*/
#pragma once
#include <array>
#include <stdint.h>
namespace libcamera {
struct DebayerParams {
static constexpr unsigned int kRGBLookupSize = 256;
struct CcmColumn {
int16_t r;
int16_t g;
int16_t b;
};
using LookupTable = std::array<uint8_t, kRGBLookupSize>;
using CcmLookupTable = std::array<CcmColumn, kRGBLookupSize>;
/*
* Color lookup tables when CCM is not used.
*
* Each color of a debayered pixel is amended by the corresponding
* value in the given table.
*/
LookupTable red;
LookupTable green;
LookupTable blue;
/*
* Color and gamma lookup tables when CCM is used.
*
* Each of the CcmLookupTable's corresponds to a CCM column; together they
* make a complete 3x3 CCM lookup table. The CCM is applied on debayered
* pixels and then the gamma lookup table is used to set the resulting
* values of all the three colors.
*/
CcmLookupTable redCcm;
CcmLookupTable greenCcm;
CcmLookupTable blueCcm;
LookupTable gammaLut;
/*
* Statistic controls
*
* Statistic collecting are very slow. We can disable it for some actions like
* video capture or streaming.
* TODO: Add statistic window control
*/
bool collect_stats;
};
} /* namespace libcamera */