diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libcamera/internal/software_isp/debayer_params.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h index 7d8fdd48..217cd5d9 100644 --- a/include/libcamera/internal/software_isp/debayer_params.h +++ b/include/libcamera/internal/software_isp/debayer_params.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: LGPL-2.1-or-later */ /* - * Copyright (C) 2023, 2024 Red Hat Inc. + * Copyright (C) 2023-2025 Red Hat Inc. * * Authors: * Hans de Goede <hdegoede@redhat.com> @@ -18,11 +18,37 @@ namespace libcamera { struct DebayerParams { static constexpr unsigned int kRGBLookupSize = 256; - using ColorLookupTable = std::array<uint8_t, kRGBLookupSize>; + struct CcmColumn { + int16_t r; + int16_t g; + int16_t b; + }; - ColorLookupTable red; - ColorLookupTable green; - ColorLookupTable blue; + 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; }; } /* namespace libcamera */ |