| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AV1_COMMON_COMMON_DATA_H_ |
| #define AV1_COMMON_COMMON_DATA_H_ |
| |
| #include "av1/common/enums.h" |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/aom_dsp_common.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // Log 2 conversion lookup tables for block width and height |
| static const uint8_t b_width_log2_lookup[BLOCK_SIZES] = { 0, 0, 1, 1, 1, 2, 2, |
| 2, 3, 3, 3, 4, 4 }; |
| static const uint8_t b_height_log2_lookup[BLOCK_SIZES] = { 0, 1, 0, 1, 2, 1, 2, |
| 3, 2, 3, 4, 3, 4 }; |
| static const uint8_t num_4x4_blocks_wide_lookup[BLOCK_SIZES] = { |
| 1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16 |
| }; |
| static const uint8_t num_4x4_blocks_high_lookup[BLOCK_SIZES] = { |
| 1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16 |
| }; |
| // Log 2 conversion lookup tables for modeinfo width and height |
| static const uint8_t mi_width_log2_lookup[BLOCK_SIZES] = { 0, 0, 0, 0, 0, 1, 1, |
| 1, 2, 2, 2, 3, 3 }; |
| static const uint8_t mi_height_log2_lookup[BLOCK_SIZES] = { 0, 0, 0, 0, 1, 0, 1, |
| 2, 1, 2, 3, 2, 3 }; |
| static const uint8_t num_8x8_blocks_wide_lookup[BLOCK_SIZES] = { |
| 1, 1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 8, 8 |
| }; |
| static const uint8_t num_8x8_blocks_high_lookup[BLOCK_SIZES] = { |
| 1, 1, 1, 1, 2, 1, 2, 4, 2, 4, 8, 4, 8 |
| }; |
| |
| // AOMMIN(3, AOMMIN(b_width_log2(bsize), b_height_log2(bsize))) |
| static const uint8_t size_group_lookup[BLOCK_SIZES] = { 0, 0, 0, 1, 1, 1, 2, |
| 2, 2, 3, 3, 3, 3 }; |
| |
| static const uint8_t num_pels_log2_lookup[BLOCK_SIZES] = { |
| 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12 |
| }; |
| |
| static const PARTITION_TYPE partition_lookup[][BLOCK_SIZES] = { |
| { // 4X4 |
| // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64 |
| PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID }, |
| { // 8X8 |
| // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64 |
| PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE, |
| PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID }, |
| { // 16X16 |
| // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64 |
| PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, |
| PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID, |
| PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID }, |
| { // 32X32 |
| // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64 |
| PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, |
| PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT, |
| PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID, |
| PARTITION_INVALID }, |
| { // 64X64 |
| // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64 |
| PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, |
| PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, |
| PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ, |
| PARTITION_NONE } |
| }; |
| |
| static const BLOCK_SIZE subsize_lookup[PARTITION_TYPES][BLOCK_SIZES] = { |
| { |
| // PARTITION_NONE |
| BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, BLOCK_8X8, BLOCK_8X16, BLOCK_16X8, |
| BLOCK_16X16, BLOCK_16X32, BLOCK_32X16, BLOCK_32X32, BLOCK_32X64, |
| BLOCK_64X32, BLOCK_64X64, |
| }, |
| { |
| // PARTITION_HORZ |
| BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X4, BLOCK_INVALID, |
| BLOCK_INVALID, BLOCK_16X8, BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X16, |
| BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X32, |
| }, |
| { |
| // PARTITION_VERT |
| BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X8, BLOCK_INVALID, |
| BLOCK_INVALID, BLOCK_8X16, BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X32, |
| BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X64, |
| }, |
| { |
| // PARTITION_SPLIT |
| BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X4, BLOCK_INVALID, |
| BLOCK_INVALID, BLOCK_8X8, BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X16, |
| BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X32, |
| } |
| }; |
| |
| // transform block size in pixels |
| static const int tx_size_1d[TX_SIZES] = { 4, 8, 16, 32 }; |
| |
| static const uint8_t tx_size_1d_log2[TX_SIZES] = { 2, 3, 4, 5 }; |
| |
| static const int tx_size_1d_in_unit[TX_SIZES] = { 1, 2, 4, 8 }; |
| |
| // TODO(jingning): Temporary table during the construction. |
| static const int tx_size_1d_in_unit_log2[TX_SIZES] = { 0, 1, 2, 3 }; |
| |
| static const TX_SIZE max_txsize_lookup[BLOCK_SIZES] = { |
| TX_4X4, TX_4X4, TX_4X4, TX_8X8, TX_8X8, TX_8X8, TX_16X16, |
| TX_16X16, TX_16X16, TX_32X32, TX_32X32, TX_32X32, TX_32X32 |
| }; |
| |
| static const BLOCK_SIZE txsize_to_bsize[TX_SIZES] = { |
| BLOCK_4X4, // TX_4X4 |
| BLOCK_8X8, // TX_8X8 |
| BLOCK_16X16, // TX_16X16 |
| BLOCK_32X32, // TX_32X32 |
| }; |
| |
| static const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = { |
| TX_4X4, // ONLY_4X4 |
| TX_8X8, // ALLOW_8X8 |
| TX_16X16, // ALLOW_16X16 |
| TX_32X32, // ALLOW_32X32 |
| TX_32X32, // TX_MODE_SELECT |
| }; |
| |
| static const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES][2][2] = { |
| // ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1 |
| // ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1 |
| { { BLOCK_4X4, BLOCK_INVALID }, { BLOCK_INVALID, BLOCK_INVALID } }, |
| { { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_INVALID, BLOCK_INVALID } }, |
| { { BLOCK_8X4, BLOCK_INVALID }, { BLOCK_4X4, BLOCK_INVALID } }, |
| { { BLOCK_8X8, BLOCK_8X4 }, { BLOCK_4X8, BLOCK_4X4 } }, |
| { { BLOCK_8X16, BLOCK_8X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, |
| { { BLOCK_16X8, BLOCK_INVALID }, { BLOCK_8X8, BLOCK_8X4 } }, |
| { { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } }, |
| { { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_INVALID, BLOCK_8X16 } }, |
| { { BLOCK_32X16, BLOCK_INVALID }, { BLOCK_16X16, BLOCK_16X8 } }, |
| { { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } }, |
| { { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_INVALID, BLOCK_16X32 } }, |
| { { BLOCK_64X32, BLOCK_INVALID }, { BLOCK_32X32, BLOCK_32X16 } }, |
| { { BLOCK_64X64, BLOCK_64X32 }, { BLOCK_32X64, BLOCK_32X32 } }, |
| }; |
| |
| // Generates 4 bit field in which each bit set to 1 represents |
| // a blocksize partition 1111 means we split 64x64, 32x32, 16x16 |
| // and 8x8. 1000 means we just split the 64x64 to 32x32 |
| static const struct { |
| PARTITION_CONTEXT above; |
| PARTITION_CONTEXT left; |
| } partition_context_lookup[BLOCK_SIZES] = { |
| { 15, 15 }, // 4X4 - {0b1111, 0b1111} |
| { 15, 14 }, // 4X8 - {0b1111, 0b1110} |
| { 14, 15 }, // 8X4 - {0b1110, 0b1111} |
| { 14, 14 }, // 8X8 - {0b1110, 0b1110} |
| { 14, 12 }, // 8X16 - {0b1110, 0b1100} |
| { 12, 14 }, // 16X8 - {0b1100, 0b1110} |
| { 12, 12 }, // 16X16 - {0b1100, 0b1100} |
| { 12, 8 }, // 16X32 - {0b1100, 0b1000} |
| { 8, 12 }, // 32X16 - {0b1000, 0b1100} |
| { 8, 8 }, // 32X32 - {0b1000, 0b1000} |
| { 8, 0 }, // 32X64 - {0b1000, 0b0000} |
| { 0, 8 }, // 64X32 - {0b0000, 0b1000} |
| { 0, 0 }, // 64X64 - {0b0000, 0b0000} |
| }; |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AV1_COMMON_COMMON_DATA_H_ |
