common_data.c (2465B)
1 /* 2 * Copyright (c) 2022, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #include "av1/common/common_data.h" 13 14 // The Subsampled_Size table in the spec (Section 5.11.38. Get plane residual 15 // size function). 16 /* clang-format off */ 17 const BLOCK_SIZE av1_ss_size_lookup[BLOCK_SIZES_ALL][2][2] = { 18 // ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1 19 // ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1 20 { { BLOCK_4X4, BLOCK_4X4 }, { BLOCK_4X4, BLOCK_4X4 } }, 21 { { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_INVALID, BLOCK_4X4 } }, 22 { { BLOCK_8X4, BLOCK_INVALID }, { BLOCK_4X4, BLOCK_4X4 } }, 23 { { BLOCK_8X8, BLOCK_8X4 }, { BLOCK_4X8, BLOCK_4X4 } }, 24 { { BLOCK_8X16, BLOCK_8X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, 25 { { BLOCK_16X8, BLOCK_INVALID }, { BLOCK_8X8, BLOCK_8X4 } }, 26 { { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } }, 27 { { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_INVALID, BLOCK_8X16 } }, 28 { { BLOCK_32X16, BLOCK_INVALID }, { BLOCK_16X16, BLOCK_16X8 } }, 29 { { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } }, 30 { { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_INVALID, BLOCK_16X32 } }, 31 { { BLOCK_64X32, BLOCK_INVALID }, { BLOCK_32X32, BLOCK_32X16 } }, 32 { { BLOCK_64X64, BLOCK_64X32 }, { BLOCK_32X64, BLOCK_32X32 } }, 33 { { BLOCK_64X128, BLOCK_64X64 }, { BLOCK_INVALID, BLOCK_32X64 } }, 34 { { BLOCK_128X64, BLOCK_INVALID }, { BLOCK_64X64, BLOCK_64X32 } }, 35 { { BLOCK_128X128, BLOCK_128X64 }, { BLOCK_64X128, BLOCK_64X64 } }, 36 { { BLOCK_4X16, BLOCK_4X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, 37 { { BLOCK_16X4, BLOCK_INVALID }, { BLOCK_8X4, BLOCK_8X4 } }, 38 { { BLOCK_8X32, BLOCK_8X16 }, { BLOCK_INVALID, BLOCK_4X16 } }, 39 { { BLOCK_32X8, BLOCK_INVALID }, { BLOCK_16X8, BLOCK_16X4 } }, 40 { { BLOCK_16X64, BLOCK_16X32 }, { BLOCK_INVALID, BLOCK_8X32 } }, 41 { { BLOCK_64X16, BLOCK_INVALID }, { BLOCK_32X16, BLOCK_32X8 } } 42 }; 43 /* clang-format on */