/*
* 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 AOM_AV1_COMMON_COMMON_DATA_H_
#define AOM_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 in units of mode info (4x4).
// The Mi_Width_Log2 table in the spec (Section 9.3. Conversion tables).
static const uint8_t mi_size_wide_log2[BLOCK_SIZES_ALL] = {
0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 0, 2, 1, 3, 2, 4
};
// The Mi_Height_Log2 table in the spec (Section 9.3. Conversion tables).
static const uint8_t mi_size_high_log2[BLOCK_SIZES_ALL] = {
0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4, 5, 4, 5, 2, 0, 3, 1, 4, 2
};
// Width/height lookup tables in units of mode info (4x4).
// The Num_4x4_Blocks_Wide table in the spec (Section 9.3. Conversion tables).
static const uint8_t mi_size_wide[BLOCK_SIZES_ALL] = {
1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 1, 4, 2, 8, 4, 16
};
// The Num_4x4_Blocks_High table in the spec (Section 9.3. Conversion tables).
static const uint8_t mi_size_high[BLOCK_SIZES_ALL] = {
1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 4, 1, 8, 2, 16, 4
};
// Width/height lookup tables in units of samples.
// The Block_Width table in the spec (Section 9.3. Conversion tables).
static const uint8_t block_size_wide[BLOCK_SIZES_ALL] = {
4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32,
64, 64, 64, 128, 128, 4, 16, 8, 32, 16, 64
};
// The Block_Height table in the spec (Section 9.3. Conversion tables).
static const uint8_t block_size_high[BLOCK_SIZES_ALL] = {
4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 64,
32, 64, 128, 64, 128, 16, 4, 32, 8, 64, 16
};
// Maps a block size to a context.
// The Size_Group table in the spec (Section 9.3. Conversion tables).
// AOMMIN(3, AOMMIN(mi_size_wide_log2(bsize), mi_size_high_log2(bsize)))
static const uint8_t size_group_lookup[BLOCK_SIZES_ALL] = {
0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 0, 0, 1, 1, 2, 2
};
static const uint8_t num_pels_log2_lookup[BLOCK_SIZES_ALL] = {
4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 6, 6, 8, 8, 10, 10
};
// A compressed version of the Partition_Subsize table in the spec (9.3.
// Conversion tables), for square block sizes only.
/* clang-format off */
static const BLOCK_SIZE subsize_lookup[EXT_PARTITION_TYPES][SQR_BLOCK_SIZES] = {
{ // PARTITION_NONE
BLOCK_4X4, BLOCK_8X8, BLOCK_16X16,
BLOCK_32X32, BLOCK_64X64, BLOCK_128X128
}, { // PARTITION_HORZ
BLOCK_INVALID, BLOCK_8X4, BLOCK_16X8,
BLOCK_32X16, BLOCK_64X32, BLOCK_128X64
}, { // PARTITION_VERT
BLOCK_INVALID, BLOCK_4X8, BLOCK_8X16,
BLOCK_16X32, BLOCK_32X64, BLOCK_64X128
}, { // PARTITION_SPLIT
BLOCK_INVALID, BLOCK_4X4, BLOCK_8X8,
BLOCK_16X16, BLOCK_32X32, BLOCK_64X64
}, { // PARTITION_HORZ_A
BLOCK_INVALID, BLOCK_8X4, BLOCK_16X8,
BLOCK_32X16, BLOCK_64X32, BLOCK_128X64
}, { // PARTITION_HORZ_B
BLOCK_INVALID, BLOCK_8X4, BLOCK_16X8,
BLOCK_32X16, BLOCK_64X32, BLOCK_128X64
}, { // PARTITION_VERT_A
BLOCK_INVALID, BLOCK_4X8, BLOCK_8X16,
BLOCK_16X32, BLOCK_32X64, BLOCK_64X128
}, { // PARTITION_VERT_B
BLOCK_INVALID, BLOCK_4X8, BLOCK_8X16,
BLOCK_16X32, BLOCK_32X64, BLOCK_64X128
}, { // PARTITION_HORZ_4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X4,
BLOCK_32X8, BLOCK_64X16, BLOCK_INVALID
}, { // PARTITION_VERT_4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X16,
BLOCK_8X32, BLOCK_16X64, BLOCK_INVALID
}
};
static const TX_SIZE max_txsize_lookup[BLOCK_SIZES_ALL] = {
// 4X4
TX_4X4,
// 4X8, 8X4, 8X8
TX_4X4, TX_4X4, TX_8X8,
// 8X16, 16X8, 16X16
TX_8X8, TX_8X8, TX_16X16,
// 16X32, 32X16, 32X32
TX_16X16, TX_16X16, TX_32X32,
// 32X64, 64X32,
TX_32X32, TX_32X32,
// 64X64
TX_64X64,
// 64x128, 128x64, 128x128
TX_64X64, TX_64X64, TX_64X64,
// 4x16, 16x4, 8x32
TX_4X4, TX_4X4, TX_8X8,
// 32x8, 16x64 64x16
TX_8X8, TX_16X16, TX_16X16
};
static const TX_SIZE max_txsize_rect_lookup[BLOCK_SIZES_ALL] = {
// 4X4
TX_4X4,
// 4X8, 8X4, 8X8
TX_4X8, TX_8X4, TX_8X8,
// 8X16, 16X8, 16X16
TX_8X16, TX_16X8, TX_16X16,
// 16X32, 32X16, 32X32
TX_16X32, TX_32X16, TX_32X32,
// 32X64, 64X32,
TX_32X64, TX_64X32,
// 64X64
TX_64X64,
// 64x128, 128x64, 128x128
TX_64X64, TX_64X64, TX_64X64,
// 4x16, 16x4,
TX_4X16, TX_16X4,
// 8x32, 32x8
TX_8X32, TX_32X8,
// 16x64, 64x16
TX_16X64, TX_64X16
};
static const TX_TYPE_1D vtx_tab[TX_TYPES] = {
DCT_1D, ADST_1D, DCT_1D, ADST_1D,
FLIPADST_1D, DCT_1D, FLIPADST_1D, ADST_1D, FLIPADST_1D, IDTX_1D,
DCT_1D, IDTX_1D, ADST_1D, IDTX_1D, FLIPADST_1D, IDTX_1D,
};
static const TX_TYPE_1D htx_tab[TX_TYPES] = {
DCT_1D, DCT_1D, ADST_1D, ADST_1D,
DCT_1D, FLIPADST_1D, FLIPADST_1D, FLIPADST_1D, ADST_1D, IDTX_1D,
IDTX_1D, DCT_1D, IDTX_1D, ADST_1D, IDTX_1D, FLIPADST_1D,
};
#define TXSIZE_CAT_INVALID (-1)
/* clang-format on */
static const TX_SIZE sub_tx_size_map[TX_SIZES_ALL] = {
TX_4X4, // TX_4X4
TX_4X4, // TX_8X8
TX_8X8, // TX_16X16
TX_16X16, // TX_32X32
TX_32X32, // TX_64X64
TX_4X4, // TX_4X8
TX_4X4, // TX_8X4
TX_8X8, // TX_8X16
TX_8X8, // TX_16X8
TX_16X16, // TX_16X32
TX_16X16, // TX_32X16
TX_32X32, // TX_32X64
TX_32X32, // TX_64X32
TX_4X8, // TX_4X16
TX_8X4, // TX_16X4
TX_8X16, // TX_8X32
TX_16X8, // TX_32X8
TX_16X32, // TX_16X64
TX_32X16, // TX_64X16
};
static const TX_SIZE txsize_horz_map[TX_SIZES_ALL] = {
TX_4X4, // TX_4X4
TX_8X8, // TX_8X8
TX_16X16, // TX_16X16
TX_32X32, // TX_32X32
TX_64X64, // TX_64X64
TX_4X4, // TX_4X8
TX_8X8, // TX_8X4
TX_8X8, // TX_8X16
TX_16X16, // TX_16X8
TX_16X16, // TX_16X32
TX_32X32, // TX_32X16
TX_32X32, // TX_32X64
TX_64X64, // TX_64X32
TX_4X4, // TX_4X16
TX_16X16, // TX_16X4
TX_8X8, // TX_8X32
TX_32X32, // TX_32X8
TX_16X16, // TX_16X64
TX_64X64, // TX_64X16
};
static const TX_SIZE txsize_vert_map[TX_SIZES_ALL] = {
TX_4X4, // TX_4X4
TX_8X8, // TX_8X8
TX_16X16, // TX_16X16
TX_32X32, // TX_32X32
TX_64X64, // TX_64X64
TX_8X8, // TX_4X8
TX_4X4, // TX_8X4
TX_16X16, // TX_8X16
TX_8X8, // TX_16X8
TX_32X32, // TX_16X32
TX_16X16, // TX_32X16
TX_64X64, // TX_32X64
TX_32X32, // TX_64X32
TX_16X16, // TX_4X16
TX_4X4, // TX_16X4
TX_32X32, // TX_8X32
TX_8X8, // TX_32X8
TX_64X64, // TX_16X64
TX_16X16, // TX_64X16
};
#define TX_SIZE_W_MIN 4
// Transform block width in pixels
static const int tx_size_wide[TX_SIZES_ALL] = {
4, 8, 16, 32, 64, 4, 8, 8, 16, 16, 32, 32, 64, 4, 16, 8, 32, 16, 64,
};
#define TX_SIZE_H_MIN 4
// Transform block height in pixels
static const int tx_size_high[TX_SIZES_ALL] = {
4, 8, 16, 32, 64, 8, 4, 16, 8, 32, 16, 64, 32, 16, 4, 32, 8, 64, 16,
};
// Transform block width in unit
static const int tx_size_wide_unit[TX_SIZES_ALL] = {
1, 2, 4, 8, 16, 1, 2, 2, 4, 4, 8, 8, 16, 1, 4, 2, 8, 4, 16,
};
// Transform block height in unit
static const int tx_size_high_unit[TX_SIZES_ALL] = {
1, 2, 4, 8, 16, 2, 1, 4, 2, 8, 4, 16, 8, 4, 1, 8, 2, 16, 4,
};
// Transform block width in log2
static const int tx_size_wide_log2[TX_SIZES_ALL] = {
2, 3, 4, 5, 6, 2, 3, 3, 4, 4, 5, 5, 6, 2, 4, 3, 5, 4, 6,
};
// Transform block height in log2
static const int tx_size_high_log2[TX_SIZES_ALL] = {
2, 3, 4, 5, 6, 3, 2, 4, 3, 5, 4, 6, 5, 4, 2, 5, 3, 6, 4,
};
static const int tx_size_2d[TX_SIZES_ALL + 1] = {
16, 64, 256, 1024, 4096, 32, 32, 128, 128, 512,
512, 2048, 2048, 64, 64, 256, 256, 1024, 1024,
};
static const BLOCK_SIZE txsize_to_bsize[TX_SIZES_ALL] = {
BLOCK_4X4, // TX_4X4
BLOCK_8X8, // TX_8X8
BLOCK_16X16, // TX_16X16
BLOCK_32X32, // TX_32X32
BLOCK_64X64, // TX_64X64
BLOCK_4X8, // TX_4X8
BLOCK_8X4, // TX_8X4
BLOCK_8X16, // TX_8X16
BLOCK_16X8, // TX_16X8
BLOCK_16X32, // TX_16X32
BLOCK_32X16, // TX_32X16
BLOCK_32X64, // TX_32X64
BLOCK_64X32, // TX_64X32
BLOCK_4X16, // TX_4X16
BLOCK_16X4, // TX_16X4
BLOCK_8X32, // TX_8X32
BLOCK_32X8, // TX_32X8
BLOCK_16X64, // TX_16X64
BLOCK_64X16, // TX_64X16
};
static const TX_SIZE txsize_sqr_map[TX_SIZES_ALL] = {
TX_4X4, // TX_4X4
TX_8X8, // TX_8X8
TX_16X16, // TX_16X16
TX_32X32, // TX_32X32
TX_64X64, // TX_64X64
TX_4X4, // TX_4X8
TX_4X4, // TX_8X4
TX_8X8, // TX_8X16
TX_8X8, // TX_16X8
TX_16X16, // TX_16X32
TX_16X16, // TX_32X16
TX_32X32, // TX_32X64
TX_32X32, // TX_64X32
TX_4X4, // TX_4X16
TX_4X4, // TX_16X4
TX_8X8, // TX_8X32
TX_8X8, // TX_32X8
TX_16X16, // TX_16X64
TX_16X16, // TX_64X16
};
static const TX_SIZE txsize_sqr_up_map[TX_SIZES_ALL] = {
TX_4X4, // TX_4X4
TX_8X8, // TX_8X8
TX_16X16, // TX_16X16
TX_32X32, // TX_32X32
TX_64X64, // TX_64X64
TX_8X8, // TX_4X8
TX_8X8, // TX_8X4
TX_16X16, // TX_8X16
TX_16X16, // TX_16X8
TX_32X32, // TX_16X32
TX_32X32, // TX_32X16
TX_64X64, // TX_32X64
TX_64X64, // TX_64X32
TX_16X16, // TX_4X16
TX_16X16, // TX_16X4
TX_32X32, // TX_8X32
TX_32X32, // TX_32X8
TX_64X64, // TX_16X64
TX_64X64, // TX_64X16
};
static const int8_t txsize_log2_minus4[TX_SIZES_ALL] = {
0, // TX_4X4
2, // TX_8X8
4, // TX_16X16
6, // TX_32X32
6, // TX_64X64
1, // TX_4X8
1, // TX_8X4
3, // TX_8X16
3, // TX_16X8
5, // TX_16X32
5, // TX_32X16
6, // TX_32X64
6, // TX_64X32
2, // TX_4X16
2, // TX_16X4
4, // TX_8X32
4, // TX_32X8
5, // TX_16X64
5, // TX_64X16
};
/* clang-format off */
static const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = {
TX_4X4, // ONLY_4X4
TX_64X64, // TX_MODE_LARGEST
TX_64X64, // TX_MODE_SELECT
};
// The Subsampled_Size table in the spec (Section 5.11.38. Get plane residual
// size function).
static const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES_ALL][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_4X4 }, { BLOCK_4X4, BLOCK_4X4 } },
{ { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_INVALID, BLOCK_4X4 } },
{ { BLOCK_8X4, BLOCK_INVALID }, { BLOCK_4X4, BLOCK_4X4 } },
{ { 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 } },
{ { BLOCK_64X128, BLOCK_64X64 }, { BLOCK_INVALID, BLOCK_32X64 } },
{ { BLOCK_128X64, BLOCK_INVALID }, { BLOCK_64X64, BLOCK_64X32 } },
{ { BLOCK_128X128, BLOCK_128X64 }, { BLOCK_64X128, BLOCK_64X64 } },
{ { BLOCK_4X16, BLOCK_4X8 }, { BLOCK_INVALID, BLOCK_4X8 } },
{ { BLOCK_16X4, BLOCK_INVALID }, { BLOCK_8X4, BLOCK_8X4 } },
{ { BLOCK_8X32, BLOCK_8X16 }, { BLOCK_INVALID, BLOCK_4X16 } },
{ { BLOCK_32X8, BLOCK_INVALID }, { BLOCK_16X8, BLOCK_16X4 } },
{ { BLOCK_16X64, BLOCK_16X32 }, { BLOCK_INVALID, BLOCK_8X32 } },
{ { BLOCK_64X16, BLOCK_INVALID }, { BLOCK_32X16, BLOCK_32X8 } }
};
/* clang-format on */
// Generates 5 bit field in which each bit set to 1 represents
// a blocksize partition 11111 means we split 128x128, 64x64, 32x32, 16x16
// and 8x8. 10000 means we just split the 128x128 to 64x64
/* clang-format off */
static const struct {
PARTITION_CONTEXT above;
PARTITION_CONTEXT left;
} partition_context_lookup[BLOCK_SIZES_ALL] = {
{ 31, 31 }, // 4X4 - {0b11111, 0b11111}
{ 31, 30 }, // 4X8 - {0b11111, 0b11110}
{ 30, 31 }, // 8X4 - {0b11110, 0b11111}
{ 30, 30 }, // 8X8 - {0b11110, 0b11110}
{ 30, 28 }, // 8X16 - {0b11110, 0b11100}
{ 28, 30 }, // 16X8 - {0b11100, 0b11110}
{ 28, 28 }, // 16X16 - {0b11100, 0b11100}
{ 28, 24 }, // 16X32 - {0b11100, 0b11000}
{ 24, 28 }, // 32X16 - {0b11000, 0b11100}
{ 24, 24 }, // 32X32 - {0b11000, 0b11000}
{ 24, 16 }, // 32X64 - {0b11000, 0b10000}
{ 16, 24 }, // 64X32 - {0b10000, 0b11000}
{ 16, 16 }, // 64X64 - {0b10000, 0b10000}
{ 16, 0 }, // 64X128- {0b10000, 0b00000}
{ 0, 16 }, // 128X64- {0b00000, 0b10000}
{ 0, 0 }, // 128X128-{0b00000, 0b00000}
{ 31, 28 }, // 4X16 - {0b11111, 0b11100}
{ 28, 31 }, // 16X4 - {0b11100, 0b11111}
{ 30, 24 }, // 8X32 - {0b11110, 0b11000}
{ 24, 30 }, // 32X8 - {0b11000, 0b11110}
{ 28, 16 }, // 16X64 - {0b11100, 0b10000}
{ 16, 28 }, // 64X16 - {0b10000, 0b11100}
};
/* clang-format on */
static const int intra_mode_context[INTRA_MODES] = {
0, 1, 2, 3, 4, 4, 4, 4, 3, 0, 1, 2, 0,
};
// Note: this is also used in unit tests. So whenever one changes the table,
// the unit tests need to be changed accordingly.
static const int quant_dist_weight[4][2] = {
{ 2, 3 }, { 2, 5 }, { 2, 7 }, { 1, MAX_FRAME_DISTANCE }
};
static const int quant_dist_lookup_table[2][4][2] = {
{ { 9, 7 }, { 11, 5 }, { 12, 4 }, { 13, 3 } },
{ { 7, 9 }, { 5, 11 }, { 4, 12 }, { 3, 13 } },
};
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_COMMON_COMMON_DATA_H_