| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the |
| * Alliance for Open Media Patent License 1.0 was not distributed with this |
| * source code in the PATENTS file, you can obtain it at |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef AOM_AOM_DSP_INTRAPRED_COMMON_H_ |
| #define AOM_AOM_DSP_INTRAPRED_COMMON_H_ |
| |
| #include "config/aom_config.h" |
| |
| // Weights are quadratic from '1' to '1 / block_size', scaled by |
| // 2^sm_weight_log2_scale. |
| static const int sm_weight_log2_scale = 8; |
| |
| // max(block_size_wide[BLOCK_LARGEST], block_size_high[BLOCK_LARGEST]) |
| #define MAX_BLOCK_DIM 64 |
| |
| /* clang-format off */ |
| static const uint8_t sm_weight_arrays[2 * MAX_BLOCK_DIM] = { |
| // Unused, because we always offset by bs, which is at least 2. |
| 0, 0, |
| // bs = 2 |
| 255, 128, |
| // bs = 4 |
| 255, 149, 85, 64, |
| // bs = 8 |
| 255, 197, 146, 105, 73, 50, 37, 32, |
| // bs = 16 |
| 255, 225, 196, 170, 145, 123, 102, 84, 68, 54, 43, 33, 26, 20, 17, 16, |
| // bs = 32 |
| 255, 240, 225, 210, 196, 182, 169, 157, 145, 133, 122, 111, 101, 92, 83, 74, |
| 66, 59, 52, 45, 39, 34, 29, 25, 21, 17, 14, 12, 10, 9, 8, 8, |
| // bs = 64 |
| 255, 248, 240, 233, 225, 218, 210, 203, 196, 189, 182, 176, 169, 163, 156, |
| 150, 144, 138, 133, 127, 121, 116, 111, 106, 101, 96, 91, 86, 82, 77, 73, 69, |
| 65, 61, 57, 54, 50, 47, 44, 41, 38, 35, 32, 29, 27, 25, 22, 20, 18, 16, 15, |
| 13, 12, 10, 9, 8, 7, 6, 6, 5, 5, 4, 4, 4, |
| }; |
| /* clang-format on */ |
| |
| #endif // AOM_AOM_DSP_INTRAPRED_COMMON_H_ |