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/*
* 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_AV1_COMMON_COMMON_DATA_H_
#define AOM_AV1_COMMON_COMMON_DATA_H_
#include <assert.h>
#include <stdbool.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,
5, 6, 6, 0, 2, 1, 3, 2, 4, 0, 3, 1, 4, 0, 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,
6, 5, 6, 2, 0, 3, 1, 4, 2, 3, 0, 4, 1, 4, 0,
};
// 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,
32, 64, 64, 1, 4, 2, 8, 4, 16, 1, 8, 2, 16, 1, 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,
64, 32, 64, 4, 1, 8, 2, 16, 4, 8, 1, 16, 2, 16, 1,
};
// Width/height lookup tables in units of samples.
// The Block_Width table in the spec (Section 9.3. Conversion tables).
static const uint16_t block_size_wide[BLOCK_SIZES_ALL] = {
4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 64, 64, 64, 128, 128,
128, 256, 256, 4, 16, 8, 32, 16, 64, 4, 32, 8, 64, 4, 64,
};
// The Block_Height table in the spec (Section 9.3. Conversion tables).
static const uint16_t block_size_high[BLOCK_SIZES_ALL] = {
4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 64, 32, 64, 128, 64, 128,
256, 128, 256, 16, 4, 32, 8, 64, 16, 32, 4, 64, 8, 64, 4,
};
// 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,
3, 3, 3, 0, 0, 1, 1, 2, 2, 1, 1, 2, 2, 2, 2,
};
#if CONFIG_NEW_TX_PARTITION
#if CONFIG_TX_PARTITION_CTX
// Maps a block size to a transform partition context.
// 1) 0: for block sizes do not allow 4way partition
// 2) For 8x8 <= square block size < 64x64, assuming i mapping value is a used
// for NxN square block size, then (i + 1) is the mapping value of (N)x(2N)
// and (2N)x(N) sizes.
// 3) For block size >= 64x64, the mapping value is 7
// 4) For 1:4/4:1 and 1:8/8:1 block sizes, mapping value is 8
static const uint8_t size_to_tx_part_group_lookup[BLOCK_SIZES_ALL] = {
0, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 7, 7,
7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
};
#endif // CONFIG_TX_PARTITION_CTX
#if CONFIG_BUGFIX_TX_PARTITION_TYPE_SIGNALING
/*
Maps a block size to a transform partition context.
size_to_tx_type_group_vert_and_horz_lookup - 1-2
size_to_tx_type_group_vert_or_horz_lookup - 0-13
size_to_tx_type_group_vert_and_horz_lookup - used when block can support
both vertical and horizontal TX partitions.
size_to_tx_type_group_vert_or_horz_lookup - used when block can support
either vertical or horizontal TX partitions.
0 in size_to_tx_type_group_vert_or_horz_lookup is case when there will not
be any TX partitions (TX_PARTITION_NONE)
*/
static const uint8_t
size_to_tx_type_group_vert_and_horz_lookup[BLOCK_SIZES_ALL] = {
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
9,
9,
9,
9,
9,
9,
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
10,
11,
12,
13,
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
10,
11,
BLOCK_INVALID, // unused
BLOCK_INVALID // unused
};
static const uint8_t
size_to_tx_type_group_vert_or_horz_lookup[BLOCK_SIZES_ALL] = {
0,
0,
0,
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
1,
2,
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
1,
2,
BLOCK_INVALID, // unused
BLOCK_INVALID, // unused
1,
2
};
#endif // CONFIG_BUGFIX_TX_PARTITION_TYPE_SIGNALING
static const uint8_t size_to_tx_type_group_lookup[BLOCK_SIZES_ALL] = {
0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10,
10, 10, 10, 11, 12, 13, 14, 15, 16, 11, 12, 13, 14, 11, 12
};
#else
#if CONFIG_TX_PARTITION_CTX
// Maps a block size to a transform partition context.
// 1) 0: for block sizes do not allow 4way partition
// 2) For 8x8 <= square block size < 64x64, assuming i mapping value is a used
// for NxN square block size, then (i + 1) is the mapping value of (N)x(2N)
// and (2N)x(N) sizes.
// 3) For block size >= 64x64, the mapping value is 7
// 4) For 1:4/4:1 and 1:8/8:1 block sizes, mapping value is 8
static const uint8_t size_to_tx_part_group_lookup[BLOCK_SIZES_ALL] = {
0, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 7, 7,
7, 7, 7, 0, 0, 8, 8, 8, 8, 0, 0, 8, 8, 0, 0
};
#endif // CONFIG_TX_PARTITION_CTX
#endif // CONFIG_NEW_TX_PARTITION
static const uint8_t fsc_bsize_groups[BLOCK_SIZES_ALL] = {
0, 1, 1, 2, 3, 3, 4, 5, 5, 5, 6, 6, 6, 6, 6, 6,
6, 6, 6, 3, 3, 4, 4, 6, 6, 4, 4, 6, 6, 6, 6
};
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,
15, 15, 16, 6, 6, 8, 8, 10, 10, 7, 7, 9, 9, 8, 8,
};
// Supported weighting factor for compound weighted prediction
static const int8_t cwp_weighting_factor[2][MAX_CWP_NUM] = {
{ 8, 12, 4, 10, 6 },
{ 8, 12, 4, 20, -4 },
};
#if CONFIG_TIP_ENHANCEMENT
// Supported weighting factor for TIP
static const int8_t tip_weighting_factors[MAX_TIP_WTD_NUM] = { 8, 12, 16, 18,
20, 4, 6, -4 };
#endif // CONFIG_TIP_ENHANCEMENT
#if CONFIG_VQ_MVD_CODING
// Supported set of MVD values in unit of 1/8 pel for AMVD mode
static const int16_t amvd_index_to_mvd[MAX_AMVD_INDEX + 1] = { 0, 2, 4,
6, 8, 16,
32, 64, 128 };
#endif // CONFIG_VQ_MVD_CODING
/* clang-format off */
// This table covers all block sizes.
static const BLOCK_SIZE
subsize_lookup[ALL_PARTITION_TYPES][BLOCK_SIZES_ALL] = { {
// PARTITION_NONE
BLOCK_4X4, // 4
BLOCK_4X8, BLOCK_8X4, BLOCK_8X8, // 8
BLOCK_8X16, BLOCK_16X8, BLOCK_16X16, // 16
BLOCK_16X32, BLOCK_32X16, BLOCK_32X32, // 32
BLOCK_32X64, BLOCK_64X32, BLOCK_64X64, // 64
BLOCK_64X128, BLOCK_128X64, BLOCK_128X128, // 128
BLOCK_128X256, BLOCK_256X128, BLOCK_256X256, // 256
BLOCK_4X16, BLOCK_16X4, // 4,16
BLOCK_8X32, BLOCK_32X8, // 8,32
BLOCK_16X64, BLOCK_64X16, // 16,64
BLOCK_4X32, BLOCK_32X4, // 4, 32
BLOCK_8X64, BLOCK_64X8, // 8, 64
BLOCK_4X64, BLOCK_64X4, // 4, 64
}, {
// PARTITION_HORZ
BLOCK_INVALID, // 4
BLOCK_4X4, BLOCK_INVALID, BLOCK_8X4, // 8
BLOCK_8X8, BLOCK_16X4, BLOCK_16X8, // 16
BLOCK_16X16, BLOCK_32X8, BLOCK_32X16, // 32
BLOCK_32X32, BLOCK_64X16, BLOCK_64X32, // 64
BLOCK_64X64, BLOCK_INVALID, BLOCK_128X64, // 128
BLOCK_128X128, BLOCK_INVALID, BLOCK_256X128, // 256
BLOCK_4X8, BLOCK_INVALID, // 4,16
BLOCK_8X16, BLOCK_32X4, // 8,32
BLOCK_16X32, BLOCK_64X8, // 16,64
BLOCK_4X16, BLOCK_INVALID, // 4, 32
BLOCK_8X32, BLOCK_64X4, // 8, 64
BLOCK_4X32, BLOCK_INVALID, // 4, 64
}, {
// PARTITION_VERT
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_4X4, BLOCK_4X8, // 8
BLOCK_4X16, BLOCK_8X8, BLOCK_8X16, // 16
BLOCK_8X32, BLOCK_16X16, BLOCK_16X32, // 32
BLOCK_16X64, BLOCK_32X32, BLOCK_32X64, // 64
BLOCK_INVALID, BLOCK_64X64, BLOCK_64X128, // 128
BLOCK_INVALID, BLOCK_128X128, BLOCK_128X256, // 256
BLOCK_INVALID, BLOCK_8X4, // 4,16
BLOCK_4X32, BLOCK_16X8, // 8,32
BLOCK_8X64, BLOCK_32X16, // 16,64
BLOCK_INVALID, BLOCK_16X4, // 4, 32
BLOCK_4X64, BLOCK_32X8, // 8, 64
BLOCK_INVALID, BLOCK_32X4, // 4, 64
}, {
// PARTITION_HORZ_3
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 8
BLOCK_8X4, BLOCK_INVALID, BLOCK_16X4, // 16
BLOCK_16X8, BLOCK_32X4, BLOCK_32X8, // 32
BLOCK_32X16, BLOCK_64X8, BLOCK_64X16, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_8X8, BLOCK_INVALID, // 8,32
BLOCK_16X16, BLOCK_64X4, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
}, {
// PARTITION_VERT_3
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 8
BLOCK_INVALID, BLOCK_4X8, BLOCK_4X16, // 16
BLOCK_4X32, BLOCK_8X16, BLOCK_8X32, // 32
BLOCK_8X64, BLOCK_16X32, BLOCK_16X64, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_INVALID, BLOCK_8X8, // 8,32
BLOCK_4X64, BLOCK_16X16, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
}, { // PARTITION_HORZ_4A
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 8
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 16
BLOCK_16X4, BLOCK_INVALID, BLOCK_32X4, // 32
BLOCK_32X8, BLOCK_64X4, BLOCK_64X8, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_8X4, BLOCK_INVALID, // 8,32
BLOCK_16X8, BLOCK_INVALID, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
}, { // PARTITION_HORZ_4B
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 8
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 16
BLOCK_16X4, BLOCK_INVALID, BLOCK_32X4, // 32
BLOCK_32X8, BLOCK_64X4, BLOCK_64X8, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_8X4, BLOCK_INVALID, // 8,32
BLOCK_16X8, BLOCK_INVALID, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
}, { // PARTITION_VERT_4A
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 8
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 16
BLOCK_INVALID, BLOCK_4X16, BLOCK_4X32, // 32
BLOCK_4X64, BLOCK_8X32, BLOCK_8X64, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_INVALID, BLOCK_4X8, // 8,32
BLOCK_INVALID, BLOCK_8X16, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
}, { // PARTITION_VERT_4B
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 8
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 16
BLOCK_INVALID, BLOCK_4X16, BLOCK_4X32, // 32
BLOCK_4X64, BLOCK_8X32, BLOCK_8X64, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_INVALID, BLOCK_4X8, // 8,32
BLOCK_INVALID, BLOCK_8X16, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
}, {
// PARTITION_SPLIT
BLOCK_INVALID, // 4
BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X4, // 8
BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X8, // 16
BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X16, // 32
BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X32, // 64
BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X64, // 128
BLOCK_INVALID, BLOCK_INVALID, BLOCK_128X128, // 256
BLOCK_INVALID, BLOCK_INVALID, // 4,16
BLOCK_INVALID, BLOCK_INVALID, // 8,32
BLOCK_INVALID, BLOCK_INVALID, // 16,64
BLOCK_INVALID, BLOCK_INVALID, // 4, 32
BLOCK_INVALID, BLOCK_INVALID, // 8, 64
BLOCK_INVALID, BLOCK_INVALID, // 4, 64
},
};
/* clang-format on */
static AOM_INLINE PARTITION_TYPE sdp_chroma_part_from_luma(
BLOCK_SIZE bsize, PARTITION_TYPE luma_part, int ssx, int ssy) {
const int bh_chr = block_size_high[bsize] >> ssy;
const int bw_chr = block_size_wide[bsize] >> ssx;
assert(bh_chr >= 16 && bw_chr >= 16 &&
"Current implementation cannot handle SDP for sub 16x16 blocks!");
switch (luma_part) {
case PARTITION_NONE: return PARTITION_NONE;
case PARTITION_HORZ: return (bh_chr < 8) ? PARTITION_NONE : PARTITION_HORZ;
case PARTITION_VERT: return (bw_chr < 8) ? PARTITION_NONE : PARTITION_VERT;
case PARTITION_HORZ_4A:
if (bh_chr >= 32) {
return PARTITION_HORZ_4A;
} else if (bh_chr >= 8) {
return PARTITION_HORZ;
} else {
return PARTITION_NONE;
}
case PARTITION_HORZ_4B:
if (bh_chr >= 32) {
return PARTITION_HORZ_4B;
} else if (bh_chr >= 8) {
return PARTITION_HORZ;
} else {
return PARTITION_NONE;
}
case PARTITION_VERT_4A:
if (bw_chr >= 32) {
return PARTITION_VERT_4A;
} else if (bw_chr >= 8) {
return PARTITION_VERT;
} else {
return PARTITION_NONE;
}
case PARTITION_VERT_4B:
if (bw_chr >= 32) {
return PARTITION_VERT_4B;
} else if (bw_chr >= 8) {
return PARTITION_VERT;
} else {
return PARTITION_NONE;
}
case PARTITION_HORZ_3:
if (bh_chr >= 16)
return PARTITION_HORZ_3;
else
return (bh_chr < 8) ? PARTITION_NONE : PARTITION_HORZ;
case PARTITION_VERT_3:
if (bw_chr >= 16)
return PARTITION_VERT_3;
else
return (bw_chr < 8) ? PARTITION_NONE : PARTITION_VERT;
case PARTITION_SPLIT:
return (bh_chr < 8 || bw_chr < 8) ? PARTITION_NONE : PARTITION_SPLIT;
case PARTITION_INVALID: return PARTITION_INVALID;
default: assert(0);
}
return PARTITION_INVALID;
}
/* clang-format off */
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,
// 128X256,256X128, 256X256
TX_64X64, TX_64X64, TX_64X64,
// 4x16, 16x4, 8x32
TX_4X4, TX_4X4, TX_8X8,
// 32x8, 16x64, 64x16
TX_8X8, TX_16X16, TX_16X16,
// 4x32, 32x4, 8x64
TX_4X4, TX_4X4, TX_8X8,
// 64x8, 4x64, 64x4
TX_8X8, TX_4X4, TX_4X4,
};
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,
// 128X256,256X128, 256X256
TX_64X64, TX_64X64, TX_64X64,
// 4x16, 16x4,
TX_4X16, TX_16X4,
// 8x32, 32x8
TX_8X32, TX_32X8,
// 16x64, 64x16
TX_16X64, TX_64X16,
// 4x32, 32x4,
TX_4X32, TX_32X4,
// 8x64, 64x8
TX_8X64, TX_64X8,
// 4x64, 64x4
TX_4X64, TX_64X4
};
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 */
#if CONFIG_NEW_TX_PARTITION && CONFIG_INSPECTION
// Smallest sub_tx size units. Used to compute the index in the
// tx type map.
// TODO(urvang): Is this even required?
static const TX_SIZE smallest_sub_tx_size_map[TX_SIZES_ALL] = {
TX_4X4, // TX_4X4
TX_4X4, // TX_8X8
TX_4X4, // TX_16X16
TX_8X8, // TX_32X32
TX_16X16, // TX_64X64
TX_4X4, // TX_4X8
TX_4X4, // TX_8X4
TX_4X4, // TX_8X16
TX_4X4, // TX_16X8
TX_4X8, // TX_16X32
TX_8X4, // TX_32X16
TX_8X16, // TX_32X64
TX_16X8, // TX_64X32
TX_4X4, // TX_4X16
TX_4X4, // TX_16X4
TX_4X8, // TX_8X32
TX_8X4, // TX_32X8
TX_4X16, // TX_16X64
TX_16X4, // TX_64X16
};
#endif // CONFIG_NEW_TX_PARTITION && CONFIG_INSPECTION
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
TX_4X16, // TX_4X32
TX_16X4, // TX_32X4
TX_8X32, // TX_8X64
TX_32X8, // TX_64X8
TX_4X32, // TX_4X64
TX_32X4, // TX_64X4
};
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
TX_4X4, // TX_4X32
TX_32X32, // TX_32X4
TX_8X8, // TX_8X64
TX_64X64, // TX_64X8
TX_4X4, // TX_4X64
TX_64X64, // TX_64X4
};
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
TX_32X32, // TX_4X32
TX_4X4, // TX_32X4
TX_64X64, // TX_8X64
TX_8X8, // TX_64X8
TX_64X64, // TX_4X64
TX_4X4, // TX_64X4
};
#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, 4, 32, 8, 64, 4, 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, 32, 4, 64, 8, 64, 4,
};
// 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, 1, 8, 2, 16, 1, 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, 8, 1, 16, 2, 16, 1,
};
// 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, 2, 5, 3, 6, 2, 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, 5, 2, 6, 3, 6, 2,
};
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, 128, 128, 512, 512, 256, 256,
};
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
BLOCK_4X32, // TX_4X32
BLOCK_32X4, // TX_32X4
BLOCK_8X64, // TX_8X64
BLOCK_64X8, // TX_64X8
BLOCK_4X64, // TX_4X64
BLOCK_64X4, // TX_64X4
};
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
TX_4X4, // TX_4X32
TX_4X4, // TX_32X4
TX_8X8, // TX_8X64
TX_8X8, // TX_64X8
TX_4X4, // TX_4X64
TX_4X4, // TX_64X4
};
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
TX_32X32, // TX_4X32
TX_32X32, // TX_32X4
TX_64X64, // TX_8X64
TX_64X64, // TX_64X8
TX_64X64, // TX_4X64
TX_64X64, // TX_64X4
};
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
3, // TX_4X32
3, // TX_32X4
4, // TX_8X64
4, // TX_64X8
3, // TX_4X64
3, // TX_64X4
};
/* 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_4X16, BLOCK_4X8 } },
{ { BLOCK_16X8, BLOCK_16X4 }, { BLOCK_8X8, BLOCK_8X4 } },
{ { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } },
{ { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_8X32, BLOCK_8X16 } },
{ { BLOCK_32X16, BLOCK_32X8 }, { BLOCK_16X16, BLOCK_16X8 } },
{ { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } },
{ { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_16X64, BLOCK_16X32 } },
{ { BLOCK_64X32, BLOCK_64X16 }, { 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_128X256, BLOCK_128X128 }, { BLOCK_INVALID, BLOCK_64X128 } },
{ { BLOCK_256X128, BLOCK_INVALID }, { BLOCK_128X128, BLOCK_128X64 } },
{ { BLOCK_256X256, BLOCK_256X128 }, { BLOCK_128X256, BLOCK_128X128 } },
{ { BLOCK_4X16, BLOCK_4X8 }, { BLOCK_INVALID, BLOCK_4X8 } },
{ { BLOCK_16X4, BLOCK_INVALID }, { BLOCK_8X4, BLOCK_8X4 } },
{ { BLOCK_8X32, BLOCK_8X16 }, { BLOCK_4X32, BLOCK_4X16 } },
{ { BLOCK_32X8, BLOCK_32X4 }, { BLOCK_16X8, BLOCK_16X4 } },
{ { BLOCK_16X64, BLOCK_16X32 }, { BLOCK_8X64, BLOCK_8X32 } },
{ { BLOCK_64X16, BLOCK_64X8 }, { BLOCK_32X16, BLOCK_32X8 } },
{ { BLOCK_4X32, BLOCK_4X16}, { BLOCK_INVALID, BLOCK_4X16 } },
{ { BLOCK_32X4, BLOCK_INVALID }, { BLOCK_16X4, BLOCK_16X4 } },
{ { BLOCK_8X64, BLOCK_8X32 }, { BLOCK_4X64, BLOCK_4X32 } },
{ { BLOCK_64X8, BLOCK_64X4 }, { BLOCK_32X8, BLOCK_32X4 } },
{ { BLOCK_4X64, BLOCK_4X32 }, { BLOCK_INVALID, BLOCK_4X32 } },
{ { BLOCK_64X4, BLOCK_INVALID}, { BLOCK_32X4, BLOCK_32X4 } },
};
/* clang-format on */
// Generates 6 bit field in which each bit set to 1 represents
// a blocksize partition. For example:
// - 111111 means we split 256x256, 128x128, 64x64, 32x32, 16x16 and 8x8 to 4x4.
// - 110000 means we split 256x256 and 128x128 to 64x64.
// - 000000 means we keep 256x256 (no splits).
/* clang-format off */
static const struct {
PARTITION_CONTEXT above;
PARTITION_CONTEXT left;
} partition_context_lookup[BLOCK_SIZES_ALL] = {
{ 32 + 31, 32 + 31 }, // 4X4 - {0b111111, 0b111111}
{ 32 + 31, 32 + 30 }, // 4X8 - {0b111111, 0b111110}
{ 32 + 30, 32 + 31 }, // 8X4 - {0b111110, 0b111111}
{ 32 + 30, 32 + 30 }, // 8X8 - {0b111110, 0b111110}
{ 32 + 30, 32 + 28 }, // 8X16 - {0b111110, 0b111100}
{ 32 + 28, 32 + 30 }, // 16X8 - {0b111100, 0b111110}
{ 32 + 28, 32 + 28 }, // 16X16 - {0b111100, 0b111100}
{ 32 + 28, 32 + 24 }, // 16X32 - {0b111100, 0b111000}
{ 32 + 24, 32 + 28 }, // 32X16 - {0b111000, 0b111100}
{ 32 + 24, 32 + 24 }, // 32X32 - {0b111000, 0b111000}
{ 32 + 24, 32 + 16 }, // 32X64 - {0b111000, 0b110000}
{ 32 + 16, 32 + 24 }, // 64X32 - {0b110000, 0b111000}
{ 32 + 16, 32 + 16 }, // 64X64 - {0b110000, 0b110000}
{ 32 + 16, 32 + 0 }, // 64X128- {0b110000, 0b100000}
{ 32 + 0, 32 + 16 }, // 128X64- {0b100000, 0b110000}
{ 32 + 0, 32 + 0 }, // 128X128-{0b100000, 0b100000}
{ 32 + 0, 0 + 0 }, // 128X256-{0b100000, 0b000000}
{ 0 + 0, 32 + 0 }, // 256X128-{0b000000, 0b100000}
{ 0 + 0, 0 + 0 }, // 256X256-{0b000000, 0b000000}
{ 32 + 31, 32 + 28 }, // 4X16 - {0b111111, 0b111100}
{ 32 + 28, 32 + 31 }, // 16X4 - {0b111100, 0b111111}
{ 32 + 30, 32 + 24 }, // 8X32 - {0b111110, 0b111000}
{ 32 + 24, 32 + 30 }, // 32X8 - {0b111000, 0b111110}
{ 32 + 28, 32 + 16 }, // 16X64 - {0b111100, 0b110000}
{ 32 + 16, 32 + 28 }, // 64X16 - {0b110000, 0b111100}
{ 32 + 31, 32 + 24 }, // 4X32 - {0b111111, 0b111000}
{ 32 + 24, 32 + 31 }, // 32X4 - {0b111000, 0b111111}
{ 32 + 30, 32 + 16 }, // 8X64 - {0b111110, 0b110000}
{ 32 + 16, 32 + 30 }, // 64X8 - {0b110000, 0b111110}
{ 32 + 31, 32 + 16 }, // 4X64 - {0b111110, 0b110000}
{ 32 + 16, 32 + 31 }, // 64X4 - {0b110000, 0b111110}
};
/* 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[4][2] = {
{ 9, 7 },
{ 11, 5 },
{ 12, 4 },
{ 13, 3 },
};
// Mapping of mode dependent TX based on intra modes.
static const int av1_md_class[INTRA_MODES] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
};
// Mapping between mode dependent TX size groups based on allowed TX sizes.
static const int av1_size_class[TX_SIZES_ALL] = { 0, 1, 2, 3, 3, 0, 0, 1, 1,
3, 3, 3, 3, 0, 0, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3 };
static AOM_INLINE bool is_bsize_geq(BLOCK_SIZE bsize1, BLOCK_SIZE bsize2) {
if (bsize1 == BLOCK_INVALID || bsize2 == BLOCK_INVALID) {
return false;
}
return block_size_wide[bsize1] >= block_size_wide[bsize2] &&
block_size_high[bsize1] >= block_size_high[bsize2];
}
static AOM_INLINE bool is_bsize_gt(BLOCK_SIZE bsize1, BLOCK_SIZE bsize2) {
if (bsize1 == BLOCK_INVALID || bsize2 == BLOCK_INVALID) {
return false;
}
return block_size_wide[bsize1] > block_size_wide[bsize2] &&
block_size_high[bsize1] > block_size_high[bsize2];
}
#if CONFIG_CORE_TX
static const int fwd_tx_shift[TX_SIZES_ALL][2] = {
{ 1, 10 }, // TX_4X4, // 4x4 transform
{ 2, 10 }, // TX_8X8, // 8x8 transform
{ 2, 11 }, // TX_16X16, // 16x16 transform
{ 3, 12 }, // TX_32X32, // 32x32 transform
{ 3, 14 }, // TX_64X64, // 64x64 transform
{ 1, 11 }, // TX_4X8, // 4x8 transform
{ 1, 11 }, // TX_8X4, // 8x4 transform
{ 1, 12 }, // TX_8X16, // 8x16 transform
{ 2, 11 }, // TX_16X8, // 16x8 transform
{ 2, 13 }, // TX_16X32, // 16x32 transform
{ 3, 12 }, // TX_32X16, // 32x16 transform
{ 3, 14 }, // TX_32X64, // 32x64 transform
{ 3, 14 }, // TX_64X32, // 64x32 transform
{ 1, 11 }, // TX_4X16, // 4x16 transform
{ 1, 11 }, // TX_16X4, // 16x4 transform
{ 1, 12 }, // TX_8X32, // 8x32 transform
{ 3, 10 }, // TX_32X8, // 32x8 transform
{ 2, 13 }, // TX_16X64, // 16x64 transform
{ 3, 12 }, // TX_64X16, // 64x16 transform
{ 1, 12 }, // TX_4X32, // 4x32 transform
{ 1, 12 }, // TX_32X4, // 32x4 transform
{ 2, 13 }, // TX_8X64, // 8x64 transform
{ 4, 11 }, // TX_64X8, // 64x8 transform
{ 1, 12 }, // TX_4X64, // 4x64 transform
{ 1, 12 }, // TX_64X4, // 64x4 transform
};
static const int inv_tx_shift[TX_SIZES_ALL][2] = {
{ 7, 10 }, // TX_4X4, // 4x4 transform
{ 7, 11 }, // TX_8X8, // 8x8 transform
{ 6, 13 }, // TX_16X16, // 16x16 transform
{ 6, 13 }, // TX_32X32, // 32x32 transform
{ 6, 13 }, // TX_64X64, // 64x64 transform
{ 7, 10 }, // TX_4X8, // 4x8 transform
{ 7, 10 }, // TX_8X4, // 8x4 transform
{ 7, 11 }, // TX_8X16, // 8x16 transform
{ 7, 11 }, // TX_16X8, // 16x8 transform
{ 6, 12 }, // TX_16X32, // 16x32 transformß
{ 6, 12 }, // TX_32X16, // 32x16 transform
{ 6, 12 }, // TX_32X64, // 32x64 transform
{ 6, 12 }, // TX_64X32, // 64x32 transform
{ 6, 12 }, // TX_4X16, // 4x16 transform
{ 6, 12 }, // TX_16X4, // 16x4 transform
{ 6, 13 }, // TX_8X32, // 8x32 transform
{ 6, 13 }, // TX_32X8, // 32x8 transform
{ 6, 13 }, // TX_16X64, // 16x64 transform
{ 6, 13 }, // TX_64X16, // 64x16 transform
{ 7, 11 }, // TX_4X32, // 4x32 transform
{ 7, 11 }, // TX_32X4, // 32x4 transform
{ 6, 12 }, // TX_8X64, // 8x64 transform
{ 6, 12 }, // TX_64X8, // 64x8 transform
{ 6, 13 }, // TX_4X64, // 4x64 transform
{ 6, 13 }, // TX_64X4, // 64x4 transform
};
static const int g_hor_tx_type[TX_TYPES] = {
DCT2, // DCT_DCT, // DCT in both horizontal and vertical
DCT2, // ADST_DCT, // ADST in vertical, DCT in horizontal
DST7, // DCT_ADST, // DCT in vertical, ADST in horizontal
DST7, // ADST_ADST, // ADST in both directions
DCT2, // FLIPADST_DCT, // FLIPADST in vertical, DCT in horizontal
DCT8, // DCT_FLIPADST, // DCT in vertical, FLIPADST in horizontal
DCT8, // FLIPADST_FLIPADST, // FLIPADST in both directions
DCT8, // ADST_FLIPADST, // ADST in vertical, FLIPADST in horizontal
DST7, // FLIPADST_ADST, // FLIPADST in vertical, ADST in horizontal
IDT, // IDTX, // Identity in both directions
IDT, // V_DCT, // DCT in vertical, identity in horizontal
DCT2, // H_DCT, // Identity in vertical, DCT in horizontal
IDT, // V_ADST, // ADST in vertical, identity in horizontal
DST7, // H_ADST, // Identity in vertical, ADST in horizontal
IDT, // V_FLIPADST, // FLIPADST in vertical, identity in horizontal
DCT8, // H_FLIPADST, // Identity in vertical, FLIPADST in horizontal
};
static const int g_ver_tx_type[TX_TYPES] = {
DCT2, // DCT_DCT, // DCT in both horizontal and vertical
DST7, // ADST_DCT, // ADST in vertical, DCT in horizontal
DCT2, // DCT_ADST, // DCT in vertical, ADST in horizontal
DST7, // ADST_ADST, // ADST in both directions
DCT8, // FLIPADST_DCT, // FLIPADST in vertical, DCT in horizontal
DCT2, // DCT_FLIPADST, // DCT in vertical, FLIPADST in horizontal
DCT8, // FLIPADST_FLIPADST, // FLIPADST in both directions
DST7, // ADST_FLIPADST, // ADST in vertical, FLIPADST in horizontal
DCT8, // FLIPADST_ADST, // FLIPADST in vertical, ADST in horizontal
IDT, // IDTX, // Identity in both directions
DCT2, // V_DCT, // DCT in vertical, identity in horizontal
IDT, // H_DCT, // Identity in vertical, DCT in horizontal
DST7, // V_ADST, // ADST in vertical, identity in horizontal
IDT, // H_ADST, // Identity in vertical, ADST in horizontal
DCT8, // V_FLIPADST, // FLIPADST in vertical, identity in horizontal
IDT, // H_FLIPADST, // Identity in vertical, FLIPADST in horizontal
};
#endif // CONFIG_CORE_TX
static const int min_class_with_offset[7] = { 4, 3, 2, 0, 0, 0, 0 };
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_COMMON_COMMON_DATA_H_