ref: c1b0808c4035bd0d62d7bfd66d0befe220ec1e52
dir: /src/tables.c/
/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <stdint.h>
#include "common/attributes.h"
#include "src/levels.h"
#include "src/tables.h"
const uint8_t dav1d_al_part_ctx[2][N_BL_LEVELS][N_PARTITIONS] = {
{
// partitions:
// none, h, v, split, tts, tbs, tls, trs, h4, v4
{ 0x00, 0x00, 0x10, -1, 0x00, 0x10, 0x10, 0x10, -1, -1 }, // bl128
{ 0x10, 0x10, 0x18, -1, 0x10, 0x18, 0x18, 0x18, 0x10, 0x1c }, // bl64
{ 0x18, 0x18, 0x1c, -1, 0x18, 0x1c, 0x1c, 0x1c, 0x18, 0x1e }, // bl32
{ 0x1c, 0x1c, 0x1e, -1, 0x1c, 0x1e, 0x1e, 0x1e, 0x1c, 0x1f }, // bl16
{ 0x1e, 0x1e, 0x1f, 0x1f, -1, -1, -1, -1, -1, -1 }, // bl8
}, {
{ 0x00, 0x10, 0x00, -1, 0x10, 0x10, 0x00, 0x10, -1, -1 }, // bl128
{ 0x10, 0x18, 0x10, -1, 0x18, 0x18, 0x10, 0x18, 0x1c, 0x10 }, // bl64
{ 0x18, 0x1c, 0x18, -1, 0x1c, 0x1c, 0x18, 0x1c, 0x1e, 0x18 }, // bl32
{ 0x1c, 0x1e, 0x1c, -1, 0x1e, 0x1e, 0x1c, 0x1e, 0x1f, 0x1c }, // bl16
{ 0x1e, 0x1f, 0x1e, 0x1f, -1, -1, -1, -1, -1, -1 }, // bl8
}
};
const uint8_t /* enum BlockSize */
dav1d_block_sizes[N_BL_LEVELS][N_PARTITIONS][2] =
{
[BL_128X128] = {
[PARTITION_NONE] = { BS_128x128 },
[PARTITION_H] = { BS_128x64 },
[PARTITION_V] = { BS_64x128 },
[PARTITION_T_TOP_SPLIT] = { BS_64x64, BS_128x64 },
[PARTITION_T_BOTTOM_SPLIT] = { BS_128x64, BS_64x64 },
[PARTITION_T_LEFT_SPLIT] = { BS_64x64, BS_64x128 },
[PARTITION_T_RIGHT_SPLIT] = { BS_64x128, BS_64x64 },
}, [BL_64X64] = {
[PARTITION_NONE] = { BS_64x64 },
[PARTITION_H] = { BS_64x32 },
[PARTITION_V] = { BS_32x64 },
[PARTITION_T_TOP_SPLIT] = { BS_32x32, BS_64x32 },
[PARTITION_T_BOTTOM_SPLIT] = { BS_64x32, BS_32x32 },
[PARTITION_T_LEFT_SPLIT] = { BS_32x32, BS_32x64 },
[PARTITION_T_RIGHT_SPLIT] = { BS_32x64, BS_32x32 },
[PARTITION_H4] = { BS_64x16 },
[PARTITION_V4] = { BS_16x64 },
}, [BL_32X32] = {
[PARTITION_NONE] = { BS_32x32 },
[PARTITION_H] = { BS_32x16 },
[PARTITION_V] = { BS_16x32 },
[PARTITION_T_TOP_SPLIT] = { BS_16x16, BS_32x16 },
[PARTITION_T_BOTTOM_SPLIT] = { BS_32x16, BS_16x16 },
[PARTITION_T_LEFT_SPLIT] = { BS_16x16, BS_16x32 },
[PARTITION_T_RIGHT_SPLIT] = { BS_16x32, BS_16x16 },
[PARTITION_H4] = { BS_32x8 },
[PARTITION_V4] = { BS_8x32 },
}, [BL_16X16] = {
[PARTITION_NONE] = { BS_16x16 },
[PARTITION_H] = { BS_16x8 },
[PARTITION_V] = { BS_8x16 },
[PARTITION_T_TOP_SPLIT] = { BS_8x8, BS_16x8 },
[PARTITION_T_BOTTOM_SPLIT] = { BS_16x8, BS_8x8 },
[PARTITION_T_LEFT_SPLIT] = { BS_8x8, BS_8x16 },
[PARTITION_T_RIGHT_SPLIT] = { BS_8x16, BS_8x8 },
[PARTITION_H4] = { BS_16x4 },
[PARTITION_V4] = { BS_4x16 },
}, [BL_8X8] = {
[PARTITION_NONE] = { BS_8x8 },
[PARTITION_H] = { BS_8x4 },
[PARTITION_V] = { BS_4x8 },
[PARTITION_SPLIT] = { BS_4x4 },
}
};
const uint8_t dav1d_block_dimensions[N_BS_SIZES][4] = {
[BS_128x128] = { 32, 32, 5, 5 },
[BS_128x64] = { 32, 16, 5, 4 },
[BS_64x128] = { 16, 32, 4, 5 },
[BS_64x64] = { 16, 16, 4, 4 },
[BS_64x32] = { 16, 8, 4, 3 },
[BS_64x16] = { 16, 4, 4, 2 },
[BS_32x64] = { 8, 16, 3, 4 },
[BS_32x32] = { 8, 8, 3, 3 },
[BS_32x16] = { 8, 4, 3, 2 },
[BS_32x8] = { 8, 2, 3, 1 },
[BS_16x64] = { 4, 16, 2, 4 },
[BS_16x32] = { 4, 8, 2, 3 },
[BS_16x16] = { 4, 4, 2, 2 },
[BS_16x8] = { 4, 2, 2, 1 },
[BS_16x4] = { 4, 1, 2, 0 },
[BS_8x32] = { 2, 8, 1, 3 },
[BS_8x16] = { 2, 4, 1, 2 },
[BS_8x8] = { 2, 2, 1, 1 },
[BS_8x4] = { 2, 1, 1, 0 },
[BS_4x16] = { 1, 4, 0, 2 },
[BS_4x8] = { 1, 2, 0, 1 },
[BS_4x4] = { 1, 1, 0, 0 },
};
const TxfmInfo dav1d_txfm_dimensions[N_RECT_TX_SIZES] = {
[ TX_4X4] = { .w = 1, .h = 1, .lw = 0, .lh = 0,
.min = 0, .max = 0, .ctx = 0 },
[ TX_8X8] = { .w = 2, .h = 2, .lw = 1, .lh = 1,
.min = 1, .max = 1, .sub = TX_4X4, .ctx = 1 },
[ TX_16X16] = { .w = 4, .h = 4, .lw = 2, .lh = 2,
.min = 2, .max = 2, .sub = TX_8X8, .ctx = 2 },
[ TX_32X32] = { .w = 8, .h = 8, .lw = 3, .lh = 3,
.min = 3, .max = 3, .sub = TX_16X16, .ctx = 3 },
[ TX_64X64] = { .w = 16, .h = 16, .lw = 4, .lh = 4,
.min = 4, .max = 4, .sub = TX_32X32, .ctx = 4 },
[RTX_4X8] = { .w = 1, .h = 2, .lw = 0, .lh = 1,
.min = 0, .max = 1, .sub = TX_4X4, .ctx = 1 },
[RTX_8X4] = { .w = 2, .h = 1, .lw = 1, .lh = 0,
.min = 0, .max = 1, .sub = TX_4X4, .ctx = 1 },
[RTX_8X16] = { .w = 2, .h = 4, .lw = 1, .lh = 2,
.min = 1, .max = 2, .sub = TX_8X8, .ctx = 2 },
[RTX_16X8] = { .w = 4, .h = 2, .lw = 2, .lh = 1,
.min = 1, .max = 2, .sub = TX_8X8, .ctx = 2 },
[RTX_16X32] = { .w = 4, .h = 8, .lw = 2, .lh = 3,
.min = 2, .max = 3, .sub = TX_16X16, .ctx = 3 },
[RTX_32X16] = { .w = 8, .h = 4, .lw = 3, .lh = 2,
.min = 2, .max = 3, .sub = TX_16X16, .ctx = 3 },
[RTX_32X64] = { .w = 8, .h = 16, .lw = 3, .lh = 4,
.min = 3, .max = 4, .sub = TX_32X32, .ctx = 4 },
[RTX_64X32] = { .w = 16, .h = 8, .lw = 4, .lh = 3,
.min = 3, .max = 4, .sub = TX_32X32, .ctx = 4 },
[RTX_4X16] = { .w = 1, .h = 4, .lw = 0, .lh = 2,
.min = 0, .max = 2, .sub = RTX_4X8, .ctx = 1 },
[RTX_16X4] = { .w = 4, .h = 1, .lw = 2, .lh = 0,
.min = 0, .max = 2, .sub = RTX_8X4, .ctx = 1 },
[RTX_8X32] = { .w = 2, .h = 8, .lw = 1, .lh = 3,
.min = 1, .max = 3, .sub = RTX_8X16, .ctx = 2 },
[RTX_32X8] = { .w = 8, .h = 2, .lw = 3, .lh = 1,
.min = 1, .max = 3, .sub = RTX_16X8, .ctx = 2 },
[RTX_16X64] = { .w = 4, .h = 16, .lw = 2, .lh = 4,
.min = 2, .max = 4, .sub = RTX_16X32, .ctx = 3 },
[RTX_64X16] = { .w = 16, .h = 4, .lw = 4, .lh = 2,
.min = 2, .max = 4, .sub = RTX_32X16, .ctx = 3 },
};
const uint8_t /* enum (Rect)TxfmSize */
dav1d_max_txfm_size_for_bs[N_BS_SIZES][4 /* y, 420, 422, 444 */] =
{
[BS_128x128] = { TX_64X64, TX_32X32, TX_32X32, TX_32X32 },
[BS_128x64] = { TX_64X64, TX_32X32, TX_32X32, TX_32X32 },
[BS_64x128] = { TX_64X64, TX_32X32, 0, TX_32X32 },
[BS_64x64] = { TX_64X64, TX_32X32, TX_32X32, TX_32X32 },
[BS_64x32] = { RTX_64X32, RTX_32X16, TX_32X32, TX_32X32 },
[BS_64x16] = { RTX_64X16, RTX_32X8, RTX_32X16, RTX_32X16 },
[BS_32x64] = { RTX_32X64, RTX_16X32, 0, TX_32X32 },
[BS_32x32] = { TX_32X32, TX_16X16, RTX_16X32, TX_32X32 },
[BS_32x16] = { RTX_32X16, RTX_16X8, TX_16X16, RTX_32X16 },
[BS_32x8] = { RTX_32X8, RTX_16X4, RTX_16X8, RTX_32X8 },
[BS_16x64] = { RTX_16X64, RTX_8X32, 0, RTX_16X32 },
[BS_16x32] = { RTX_16X32, RTX_8X16, 0, RTX_16X32 },
[BS_16x16] = { TX_16X16, TX_8X8, RTX_8X16, TX_16X16 },
[BS_16x8] = { RTX_16X8, RTX_8X4, TX_8X8, RTX_16X8 },
[BS_16x4] = { RTX_16X4, RTX_8X4, RTX_8X4, RTX_16X4 },
[BS_8x32] = { RTX_8X32, RTX_4X16, 0, RTX_8X32 },
[BS_8x16] = { RTX_8X16, RTX_4X8, 0, RTX_8X16 },
[BS_8x8] = { TX_8X8, TX_4X4, RTX_4X8, TX_8X8 },
[BS_8x4] = { RTX_8X4, TX_4X4, TX_4X4, RTX_8X4 },
[BS_4x16] = { RTX_4X16, RTX_4X8, 0, RTX_4X16 },
[BS_4x8] = { RTX_4X8, TX_4X4, 0, RTX_4X8 },
[BS_4x4] = { TX_4X4, TX_4X4, TX_4X4, TX_4X4 },
};
const uint8_t /* enum TxfmType */
dav1d_txtp_from_uvmode[N_UV_INTRA_PRED_MODES] =
{
[DC_PRED] = DCT_DCT,
[VERT_PRED] = ADST_DCT,
[HOR_PRED] = DCT_ADST,
[DIAG_DOWN_LEFT_PRED] = DCT_DCT,
[DIAG_DOWN_RIGHT_PRED] = ADST_ADST,
[VERT_RIGHT_PRED] = ADST_DCT,
[HOR_DOWN_PRED] = DCT_ADST,
[HOR_UP_PRED] = DCT_ADST,
[VERT_LEFT_PRED] = ADST_DCT,
[SMOOTH_PRED] = ADST_ADST,
[SMOOTH_V_PRED] = ADST_DCT,
[SMOOTH_H_PRED] = DCT_ADST,
[PAETH_PRED] = ADST_ADST,
};
const uint8_t /* enum InterPredMode */
dav1d_comp_inter_pred_modes[N_COMP_INTER_PRED_MODES][2] =
{
[NEARESTMV_NEARESTMV] = { NEARESTMV, NEARESTMV },
[NEARMV_NEARMV] = { NEARMV, NEARMV },
[NEWMV_NEWMV] = { NEWMV, NEWMV },
[GLOBALMV_GLOBALMV] = { GLOBALMV, GLOBALMV },
[NEWMV_NEARESTMV] = { NEWMV, NEARESTMV },
[NEWMV_NEARMV] = { NEWMV, NEARMV },
[NEARESTMV_NEWMV] = { NEARESTMV, NEWMV },
[NEARMV_NEWMV] = { NEARMV, NEWMV },
};
const uint8_t dav1d_tx_type_count[N_TXTP_SETS] = {
[TXTP_SET_DCT] = 1,
[TXTP_SET_DCT_ID] = 2,
[TXTP_SET_DT4_ID] = 5,
[TXTP_SET_DT4_ID_1D] = 7,
[TXTP_SET_DT9_ID_1D] = 12,
[TXTP_SET_ALL] = 16,
[TXTP_SET_LOSSLESS] = 1,
};
const uint8_t /* enum TxfmType */
dav1d_tx_types_per_set[N_TXTP_SETS][N_TX_TYPES] =
{
[TXTP_SET_DCT] = { DCT_DCT },
[TXTP_SET_DCT_ID] = { IDTX, DCT_DCT },
[TXTP_SET_DT4_ID] = { IDTX, DCT_DCT, ADST_ADST, ADST_DCT, DCT_ADST },
[TXTP_SET_DT4_ID_1D] = { IDTX, DCT_DCT, V_DCT, H_DCT, ADST_ADST, ADST_DCT,
DCT_ADST },
[TXTP_SET_DT9_ID_1D] = { IDTX, V_DCT, H_DCT, DCT_DCT, ADST_DCT, DCT_ADST,
FLIPADST_DCT, DCT_FLIPADST, ADST_ADST,
FLIPADST_FLIPADST, ADST_FLIPADST, FLIPADST_ADST },
[TXTP_SET_ALL] = { IDTX, V_DCT, H_DCT, V_ADST, H_ADST, V_FLIPADST,
H_FLIPADST, DCT_DCT, ADST_DCT, DCT_ADST,
FLIPADST_DCT, DCT_FLIPADST, ADST_ADST,
FLIPADST_FLIPADST, ADST_FLIPADST, FLIPADST_ADST },
[TXTP_SET_LOSSLESS] = { WHT_WHT },
};
const uint8_t dav1d_tx_type_set_index[2][N_TXTP_SETS] = {
{ 0, -1, 2, 1, -1, -1, 3 },
{ 0, 3, -1, -1, 2, 1, 4 },
};
const uint8_t dav1d_ymode_size_context[N_BS_SIZES] = {
[BS_128x128] = 3,
[BS_128x64] = 3,
[BS_64x128] = 3,
[BS_64x64] = 3,
[BS_64x32] = 3,
[BS_64x16] = 2,
[BS_32x64] = 3,
[BS_32x32] = 3,
[BS_32x16] = 2,
[BS_32x8 ] = 1,
[BS_16x64] = 2,
[BS_16x32] = 2,
[BS_16x16] = 2,
[BS_16x8 ] = 1,
[BS_16x4 ] = 0,
[BS_8x32 ] = 1,
[BS_8x16 ] = 1,
[BS_8x8 ] = 1,
[BS_8x4 ] = 0,
[BS_4x16 ] = 0,
[BS_4x8 ] = 0,
[BS_4x4 ] = 0,
};
const uint8_t dav1d_nz_map_ctx_offset[N_RECT_TX_SIZES][5][5] = {
[TX_4X4] = {
{ 0, 1, 6, 6 },
{ 1, 6, 6, 21 },
{ 6, 6, 21, 21 },
{ 6, 21, 21, 21 },
}, [TX_8X8] = {
{ 0, 1, 6, 6, 21 },
{ 1, 6, 6, 21, 21 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [TX_16X16] = {
{ 0, 1, 6, 6, 21 },
{ 1, 6, 6, 21, 21 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [TX_32X32] = {
{ 0, 1, 6, 6, 21 },
{ 1, 6, 6, 21, 21 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [TX_64X64] = {
{ 0, 1, 6, 6, 21 },
{ 1, 6, 6, 21, 21 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [RTX_4X8] = {
{ 0, 11, 11, 11 },
{ 11, 11, 11, 11 },
{ 6, 6, 21, 21 },
{ 6, 21, 21, 21 },
{ 21, 21, 21, 21 }
}, [RTX_8X4] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
}, [RTX_8X16] = {
{ 0, 11, 11, 11, 11 },
{ 11, 11, 11, 11, 11 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [RTX_16X8] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 }
}, [RTX_16X32] = {
{ 0, 11, 11, 11, 11 },
{ 11, 11, 11, 11, 11 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [RTX_32X16] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 }
}, [RTX_32X64] = {
{ 0, 11, 11, 11, 11 },
{ 11, 11, 11, 11, 11 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [RTX_64X32] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 }
}, [RTX_4X16] = {
{ 0, 11, 11, 11 },
{ 11, 11, 11, 11 },
{ 6, 6, 21, 21 },
{ 6, 21, 21, 21 },
{ 21, 21, 21, 21 }
}, [RTX_16X4] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
}, [RTX_8X32] = {
{ 0, 11, 11, 11, 11 },
{ 11, 11, 11, 11, 11 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [RTX_32X8] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 }
}, [RTX_16X64] = {
{ 0, 11, 11, 11, 11 },
{ 11, 11, 11, 11, 11 },
{ 6, 6, 21, 21, 21 },
{ 6, 21, 21, 21, 21 },
{ 21, 21, 21, 21, 21 }
}, [RTX_64X16] = {
{ 0, 16, 6, 6, 21 },
{ 16, 16, 6, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 },
{ 16, 16, 21, 21, 21 }
}
};
const uint8_t /* enum TxClass */ dav1d_tx_type_class[N_TX_TYPES_PLUS_LL] = {
[DCT_DCT] = TX_CLASS_2D,
[ADST_DCT] = TX_CLASS_2D,
[DCT_ADST] = TX_CLASS_2D,
[ADST_ADST] = TX_CLASS_2D,
[FLIPADST_DCT] = TX_CLASS_2D,
[DCT_FLIPADST] = TX_CLASS_2D,
[FLIPADST_FLIPADST] = TX_CLASS_2D,
[ADST_FLIPADST] = TX_CLASS_2D,
[FLIPADST_ADST] = TX_CLASS_2D,
[IDTX] = TX_CLASS_2D,
[V_DCT] = TX_CLASS_V,
[H_DCT] = TX_CLASS_H,
[V_ADST] = TX_CLASS_V,
[H_ADST] = TX_CLASS_H,
[V_FLIPADST] = TX_CLASS_V,
[H_FLIPADST] = TX_CLASS_H,
[WHT_WHT] = TX_CLASS_2D,
};
const uint8_t /* enum Filter2d */ dav1d_filter_2d[N_FILTERS][N_FILTERS] = {
[FILTER_8TAP_REGULAR] = {
[FILTER_8TAP_REGULAR] = FILTER_2D_8TAP_REGULAR,
[FILTER_8TAP_SHARP] = FILTER_2D_8TAP_REGULAR_SHARP,
[FILTER_8TAP_SMOOTH] = FILTER_2D_8TAP_REGULAR_SMOOTH,
}, [FILTER_8TAP_SHARP] = {
[FILTER_8TAP_REGULAR] = FILTER_2D_8TAP_SHARP_REGULAR,
[FILTER_8TAP_SHARP] = FILTER_2D_8TAP_SHARP,
[FILTER_8TAP_SMOOTH] = FILTER_2D_8TAP_SHARP_SMOOTH,
}, [FILTER_8TAP_SMOOTH] = {
[FILTER_8TAP_REGULAR] = FILTER_2D_8TAP_SMOOTH_REGULAR,
[FILTER_8TAP_SHARP] = FILTER_2D_8TAP_SMOOTH_SHARP,
[FILTER_8TAP_SMOOTH] = FILTER_2D_8TAP_SMOOTH,
}, [FILTER_BILINEAR] = {
[FILTER_BILINEAR] = FILTER_2D_BILINEAR,
}
};
const uint8_t /* enum FilterMode */ dav1d_filter_dir[N_2D_FILTERS][2] = {
[FILTER_2D_8TAP_REGULAR] = { FILTER_8TAP_REGULAR, FILTER_8TAP_REGULAR },
[FILTER_2D_8TAP_REGULAR_SMOOTH] = { FILTER_8TAP_SMOOTH, FILTER_8TAP_REGULAR },
[FILTER_2D_8TAP_REGULAR_SHARP] = { FILTER_8TAP_SHARP, FILTER_8TAP_REGULAR },
[FILTER_2D_8TAP_SHARP_REGULAR] = { FILTER_8TAP_REGULAR, FILTER_8TAP_SHARP },
[FILTER_2D_8TAP_SHARP_SMOOTH] = { FILTER_8TAP_SMOOTH, FILTER_8TAP_SHARP },
[FILTER_2D_8TAP_SHARP] = { FILTER_8TAP_SHARP, FILTER_8TAP_SHARP },
[FILTER_2D_8TAP_SMOOTH_REGULAR] = { FILTER_8TAP_REGULAR, FILTER_8TAP_SMOOTH },
[FILTER_2D_8TAP_SMOOTH] = { FILTER_8TAP_SMOOTH, FILTER_8TAP_SMOOTH },
[FILTER_2D_8TAP_SMOOTH_SHARP] = { FILTER_8TAP_SHARP, FILTER_8TAP_SMOOTH },
[FILTER_2D_BILINEAR] = { FILTER_BILINEAR, FILTER_BILINEAR },
};
const uint8_t dav1d_filter_mode_to_y_mode[5] = {
DC_PRED, VERT_PRED, HOR_PRED, HOR_DOWN_PRED, DC_PRED
};
const uint8_t dav1d_intra_mode_context[N_INTRA_PRED_MODES] = {
[DC_PRED] = 0,
[VERT_PRED] = 1,
[HOR_PRED] = 2,
[DIAG_DOWN_LEFT_PRED] = 3,
[DIAG_DOWN_RIGHT_PRED] = 4,
[VERT_RIGHT_PRED] = 4,
[HOR_DOWN_PRED] = 4,
[HOR_UP_PRED] = 4,
[VERT_LEFT_PRED] = 3,
[SMOOTH_PRED] = 0,
[SMOOTH_V_PRED] = 1,
[SMOOTH_H_PRED] = 2,
[PAETH_PRED] = 0,
};
const uint8_t dav1d_wedge_ctx_lut[N_BS_SIZES] = {
[BS_32x32] = 6,
[BS_32x16] = 5,
[BS_32x8] = 8,
[BS_16x32] = 4,
[BS_16x16] = 3,
[BS_16x8] = 2,
[BS_8x32] = 7,
[BS_8x16] = 1,
[BS_8x8] = 0,
};
const WarpedMotionParams dav1d_default_wm_params = {
.type = WM_TYPE_IDENTITY,
.matrix = {
0, 0, 1 << 16,
0, 0, 1 << 16,
},
.alpha = 0,
.beta = 0,
.gamma = 0,
.delta = 0,
};
const int16_t dav1d_sgr_params[16][4] = { // r0, r1, e0, e1
{ 2, 1, 140, 3236 }, { 2, 1, 112, 2158 }, { 2, 1, 93, 1618 },
{ 2, 1, 80, 1438 }, { 2, 1, 70, 1295 }, { 2, 1, 58, 1177 },
{ 2, 1, 47, 1079 }, { 2, 1, 37, 996 }, { 2, 1, 30, 925 },
{ 2, 1, 25, 863 }, { 0, 1, -1, 2589 }, { 0, 1, -1, 1618 },
{ 0, 1, -1, 1177 }, { 0, 1, -1, 925 }, { 2, 0, 56, -1 },
{ 2, 0, 22, -1 },
};
const int dav1d_sgr_x_by_xplus1[256] = {
1, 128, 171, 192, 205, 213, 219, 224, 228, 230, 233, 235, 236, 238, 239,
240, 241, 242, 243, 243, 244, 244, 245, 245, 246, 246, 247, 247, 247, 247,
248, 248, 248, 248, 249, 249, 249, 249, 249, 250, 250, 250, 250, 250, 250,
250, 251, 251, 251, 251, 251, 251, 251, 251, 251, 251, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 253, 253,
253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253,
253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 254, 254, 254,
254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
254, 254, 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
256,
};
const int8_t ALIGN(dav1d_mc_subpel_filters[5][15][8], 8) = {
[FILTER_8TAP_REGULAR] = {
{ 0, 1, -3, 63, 4, -1, 0, 0 },
{ 0, 1, -5, 61, 9, -2, 0, 0 },
{ 0, 1, -6, 58, 14, -4, 1, 0 },
{ 0, 1, -7, 55, 19, -5, 1, 0 },
{ 0, 1, -7, 51, 24, -6, 1, 0 },
{ 0, 1, -8, 47, 29, -6, 1, 0 },
{ 0, 1, -7, 42, 33, -6, 1, 0 },
{ 0, 1, -7, 38, 38, -7, 1, 0 },
{ 0, 1, -6, 33, 42, -7, 1, 0 },
{ 0, 1, -6, 29, 47, -8, 1, 0 },
{ 0, 1, -6, 24, 51, -7, 1, 0 },
{ 0, 1, -5, 19, 55, -7, 1, 0 },
{ 0, 1, -4, 14, 58, -6, 1, 0 },
{ 0, 0, -2, 9, 61, -5, 1, 0 },
{ 0, 0, -1, 4, 63, -3, 1, 0 }
}, [FILTER_8TAP_SMOOTH] = {
{ 0, 1, 14, 31, 17, 1, 0, 0 },
{ 0, 0, 13, 31, 18, 2, 0, 0 },
{ 0, 0, 11, 31, 20, 2, 0, 0 },
{ 0, 0, 10, 30, 21, 3, 0, 0 },
{ 0, 0, 9, 29, 22, 4, 0, 0 },
{ 0, 0, 8, 28, 23, 5, 0, 0 },
{ 0, -1, 8, 27, 24, 6, 0, 0 },
{ 0, -1, 7, 26, 26, 7, -1, 0 },
{ 0, 0, 6, 24, 27, 8, -1, 0 },
{ 0, 0, 5, 23, 28, 8, 0, 0 },
{ 0, 0, 4, 22, 29, 9, 0, 0 },
{ 0, 0, 3, 21, 30, 10, 0, 0 },
{ 0, 0, 2, 20, 31, 11, 0, 0 },
{ 0, 0, 2, 18, 31, 13, 0, 0 },
{ 0, 0, 1, 17, 31, 14, 1, 0 }
}, [FILTER_8TAP_SHARP] = {
{ -1, 1, -3, 63, 4, -1, 1, 0 },
{ -1, 3, -6, 62, 8, -3, 2, -1 },
{ -1, 4, -9, 60, 13, -5, 3, -1 },
{ -2, 5, -11, 58, 19, -7, 3, -1 },
{ -2, 5, -11, 54, 24, -9, 4, -1 },
{ -2, 5, -12, 50, 30, -10, 4, -1 },
{ -2, 5, -12, 45, 35, -11, 5, -1 },
{ -2, 6, -12, 40, 40, -12, 6, -2 },
{ -1, 5, -11, 35, 45, -12, 5, -2 },
{ -1, 4, -10, 30, 50, -12, 5, -2 },
{ -1, 4, -9, 24, 54, -11, 5, -2 },
{ -1, 3, -7, 19, 58, -11, 5, -2 },
{ -1, 3, -5, 13, 60, -9, 4, -1 },
{ -1, 2, -3, 8, 62, -6, 3, -1 },
{ 0, 1, -1, 4, 63, -3, 1, -1 }
/* width <= 4 */
}, [3 + FILTER_8TAP_REGULAR] = {
{ 0, 0, -2, 63, 4, -1, 0, 0 },
{ 0, 0, -4, 61, 9, -2, 0, 0 },
{ 0, 0, -5, 58, 14, -3, 0, 0 },
{ 0, 0, -6, 55, 19, -4, 0, 0 },
{ 0, 0, -6, 51, 24, -5, 0, 0 },
{ 0, 0, -7, 47, 29, -5, 0, 0 },
{ 0, 0, -6, 42, 33, -5, 0, 0 },
{ 0, 0, -6, 38, 38, -6, 0, 0 },
{ 0, 0, -5, 33, 42, -6, 0, 0 },
{ 0, 0, -5, 29, 47, -7, 0, 0 },
{ 0, 0, -5, 24, 51, -6, 0, 0 },
{ 0, 0, -4, 19, 55, -6, 0, 0 },
{ 0, 0, -3, 14, 58, -5, 0, 0 },
{ 0, 0, -2, 9, 61, -4, 0, 0 },
{ 0, 0, -1, 4, 63, -2, 0, 0 }
}, [3 + FILTER_8TAP_SMOOTH] = {
{ 0, 0, 15, 31, 17, 1, 0, 0 },
{ 0, 0, 13, 31, 18, 2, 0, 0 },
{ 0, 0, 11, 31, 20, 2, 0, 0 },
{ 0, 0, 10, 30, 21, 3, 0, 0 },
{ 0, 0, 9, 29, 22, 4, 0, 0 },
{ 0, 0, 8, 28, 23, 5, 0, 0 },
{ 0, 0, 7, 27, 24, 6, 0, 0 },
{ 0, 0, 6, 26, 26, 6, 0, 0 },
{ 0, 0, 6, 24, 27, 7, 0, 0 },
{ 0, 0, 5, 23, 28, 8, 0, 0 },
{ 0, 0, 4, 22, 29, 9, 0, 0 },
{ 0, 0, 3, 21, 30, 10, 0, 0 },
{ 0, 0, 2, 20, 31, 11, 0, 0 },
{ 0, 0, 2, 18, 31, 13, 0, 0 },
{ 0, 0, 1, 17, 31, 15, 0, 0 }
}
};
const int8_t ALIGN(dav1d_mc_warp_filter[193][8], 8) = {
// [-1, 0)
{ 0, 127, 0, 0, 0, 1, 0, 0 }, { 0, 127, 0, 0, -1, 2, 0, 0 },
{ 1, 127, -1, 0, -3, 4, 0, 0 }, { 1, 126, -2, 0, -4, 6, 1, 0 },
{ 1, 126, -3, 0, -5, 8, 1, 0 }, { 1, 125, -4, 0, -6, 11, 1, 0 },
{ 1, 124, -4, 0, -7, 13, 1, 0 }, { 2, 123, -5, 0, -8, 15, 1, 0 },
{ 2, 122, -6, 0, -9, 18, 1, 0 }, { 2, 121, -6, 0, -10, 20, 1, 0 },
{ 2, 120, -7, 0, -11, 22, 2, 0 }, { 2, 119, -8, 0, -12, 25, 2, 0 },
{ 3, 117, -8, 0, -13, 27, 2, 0 }, { 3, 116, -9, 0, -13, 29, 2, 0 },
{ 3, 114, -10, 0, -14, 32, 3, 0 }, { 3, 113, -10, 0, -15, 35, 2, 0 },
{ 3, 111, -11, 0, -15, 37, 3, 0 }, { 3, 109, -11, 0, -16, 40, 3, 0 },
{ 3, 108, -12, 0, -16, 42, 3, 0 }, { 4, 106, -13, 0, -17, 45, 3, 0 },
{ 4, 104, -13, 0, -17, 47, 3, 0 }, { 4, 102, -14, 0, -17, 50, 3, 0 },
{ 4, 100, -14, 0, -17, 52, 3, 0 }, { 4, 98, -15, 0, -18, 55, 4, 0 },
{ 4, 96, -15, 0, -18, 58, 3, 0 }, { 4, 94, -16, 0, -18, 60, 4, 0 },
{ 4, 91, -16, 0, -18, 63, 4, 0 }, { 4, 89, -16, 0, -18, 65, 4, 0 },
{ 4, 87, -17, 0, -18, 68, 4, 0 }, { 4, 85, -17, 0, -18, 70, 4, 0 },
{ 4, 82, -17, 0, -18, 73, 4, 0 }, { 4, 80, -17, 0, -18, 75, 4, 0 },
{ 4, 78, -18, 0, -18, 78, 4, 0 }, { 4, 75, -18, 0, -17, 80, 4, 0 },
{ 4, 73, -18, 0, -17, 82, 4, 0 }, { 4, 70, -18, 0, -17, 85, 4, 0 },
{ 4, 68, -18, 0, -17, 87, 4, 0 }, { 4, 65, -18, 0, -16, 89, 4, 0 },
{ 4, 63, -18, 0, -16, 91, 4, 0 }, { 4, 60, -18, 0, -16, 94, 4, 0 },
{ 3, 58, -18, 0, -15, 96, 4, 0 }, { 4, 55, -18, 0, -15, 98, 4, 0 },
{ 3, 52, -17, 0, -14, 100, 4, 0 }, { 3, 50, -17, 0, -14, 102, 4, 0 },
{ 3, 47, -17, 0, -13, 104, 4, 0 }, { 3, 45, -17, 0, -13, 106, 4, 0 },
{ 3, 42, -16, 0, -12, 108, 3, 0 }, { 3, 40, -16, 0, -11, 109, 3, 0 },
{ 3, 37, -15, 0, -11, 111, 3, 0 }, { 2, 35, -15, 0, -10, 113, 3, 0 },
{ 3, 32, -14, 0, -10, 114, 3, 0 }, { 2, 29, -13, 0, -9, 116, 3, 0 },
{ 2, 27, -13, 0, -8, 117, 3, 0 }, { 2, 25, -12, 0, -8, 119, 2, 0 },
{ 2, 22, -11, 0, -7, 120, 2, 0 }, { 1, 20, -10, 0, -6, 121, 2, 0 },
{ 1, 18, -9, 0, -6, 122, 2, 0 }, { 1, 15, -8, 0, -5, 123, 2, 0 },
{ 1, 13, -7, 0, -4, 124, 1, 0 }, { 1, 11, -6, 0, -4, 125, 1, 0 },
{ 1, 8, -5, 0, -3, 126, 1, 0 }, { 1, 6, -4, 0, -2, 126, 1, 0 },
{ 0, 4, -3, 0, -1, 127, 1, 0 }, { 0, 2, -1, 0, 0, 127, 0, 0 },
// [0, 1)
{ 0, 0, 1, 0, 0, 127, 0, 0 }, { 0, -1, 2, 0, 0, 127, 0, 0 },
{ 0, -3, 4, 1, 1, 127, -2, 0 }, { 0, -5, 6, 1, 1, 127, -2, 0 },
{ 0, -6, 8, 1, 2, 126, -3, 0 }, { -1, -7, 11, 2, 2, 126, -4, -1 },
{ -1, -8, 13, 2, 3, 125, -5, -1 }, { -1, -10, 16, 3, 3, 124, -6, -1 },
{ -1, -11, 18, 3, 4, 123, -7, -1 }, { -1, -12, 20, 3, 4, 122, -7, -1 },
{ -1, -13, 23, 3, 4, 121, -8, -1 }, { -2, -14, 25, 4, 5, 120, -9, -1 },
{ -1, -15, 27, 4, 5, 119, -10, -1 }, { -1, -16, 30, 4, 5, 118, -11, -1 },
{ -2, -17, 33, 5, 6, 116, -12, -1 }, { -2, -17, 35, 5, 6, 114, -12, -1 },
{ -2, -18, 38, 5, 6, 113, -13, -1 }, { -2, -19, 41, 6, 7, 111, -14, -2 },
{ -2, -19, 43, 6, 7, 110, -15, -2 }, { -2, -20, 46, 6, 7, 108, -15, -2 },
{ -2, -20, 49, 6, 7, 106, -16, -2 }, { -2, -21, 51, 7, 7, 104, -16, -2 },
{ -2, -21, 54, 7, 7, 102, -17, -2 }, { -2, -21, 56, 7, 8, 100, -18, -2 },
{ -2, -22, 59, 7, 8, 98, -18, -2 }, { -2, -22, 62, 7, 8, 96, -19, -2 },
{ -2, -22, 64, 7, 8, 94, -19, -2 }, { -2, -22, 67, 8, 8, 91, -20, -2 },
{ -2, -22, 69, 8, 8, 89, -20, -2 }, { -2, -22, 72, 8, 8, 87, -21, -2 },
{ -2, -21, 74, 8, 8, 84, -21, -2 }, { -2, -22, 77, 8, 8, 82, -21, -2 },
{ -2, -21, 79, 8, 8, 79, -21, -2 }, { -2, -21, 82, 8, 8, 77, -22, -2 },
{ -2, -21, 84, 8, 8, 74, -21, -2 }, { -2, -21, 87, 8, 8, 72, -22, -2 },
{ -2, -20, 89, 8, 8, 69, -22, -2 }, { -2, -20, 91, 8, 8, 67, -22, -2 },
{ -2, -19, 94, 8, 7, 64, -22, -2 }, { -2, -19, 96, 8, 7, 62, -22, -2 },
{ -2, -18, 98, 8, 7, 59, -22, -2 }, { -2, -18, 100, 8, 7, 56, -21, -2 },
{ -2, -17, 102, 7, 7, 54, -21, -2 }, { -2, -16, 104, 7, 7, 51, -21, -2 },
{ -2, -16, 106, 7, 6, 49, -20, -2 }, { -2, -15, 108, 7, 6, 46, -20, -2 },
{ -2, -15, 110, 7, 6, 43, -19, -2 }, { -2, -14, 111, 7, 6, 41, -19, -2 },
{ -1, -13, 113, 6, 5, 38, -18, -2 }, { -1, -12, 114, 6, 5, 35, -17, -2 },
{ -1, -12, 116, 6, 5, 33, -17, -2 }, { -1, -11, 118, 5, 4, 30, -16, -1 },
{ -1, -10, 119, 5, 4, 27, -15, -1 }, { -1, -9, 120, 5, 4, 25, -14, -2 },
{ -1, -8, 121, 4, 3, 23, -13, -1 }, { -1, -7, 122, 4, 3, 20, -12, -1 },
{ -1, -7, 123, 4, 3, 18, -11, -1 }, { -1, -6, 124, 3, 3, 16, -10, -1 },
{ -1, -5, 125, 3, 2, 13, -8, -1 }, { -1, -4, 126, 2, 2, 11, -7, -1 },
{ 0, -3, 126, 2, 1, 8, -6, 0 }, { 0, -2, 127, 1, 1, 6, -5, 0 },
{ 0, -2, 127, 1, 1, 4, -3, 0 }, { 0, 0, 127, 0, 0, 2, -1, 0 },
// [1, 2)
{ 0, 0, 127, 0, 0, 1, 0, 0 }, { 0, 0, 127, 0, 0, -1, 2, 0 },
{ 0, 1, 127, -1, 0, -3, 4, 0 }, { 0, 1, 126, -2, 0, -4, 6, 1 },
{ 0, 1, 126, -3, 0, -5, 8, 1 }, { 0, 1, 125, -4, 0, -6, 11, 1 },
{ 0, 1, 124, -4, 0, -7, 13, 1 }, { 0, 2, 123, -5, 0, -8, 15, 1 },
{ 0, 2, 122, -6, 0, -9, 18, 1 }, { 0, 2, 121, -6, 0, -10, 20, 1 },
{ 0, 2, 120, -7, 0, -11, 22, 2 }, { 0, 2, 119, -8, 0, -12, 25, 2 },
{ 0, 3, 117, -8, 0, -13, 27, 2 }, { 0, 3, 116, -9, 0, -13, 29, 2 },
{ 0, 3, 114, -10, 0, -14, 32, 3 }, { 0, 3, 113, -10, 0, -15, 35, 2 },
{ 0, 3, 111, -11, 0, -15, 37, 3 }, { 0, 3, 109, -11, 0, -16, 40, 3 },
{ 0, 3, 108, -12, 0, -16, 42, 3 }, { 0, 4, 106, -13, 0, -17, 45, 3 },
{ 0, 4, 104, -13, 0, -17, 47, 3 }, { 0, 4, 102, -14, 0, -17, 50, 3 },
{ 0, 4, 100, -14, 0, -17, 52, 3 }, { 0, 4, 98, -15, 0, -18, 55, 4 },
{ 0, 4, 96, -15, 0, -18, 58, 3 }, { 0, 4, 94, -16, 0, -18, 60, 4 },
{ 0, 4, 91, -16, 0, -18, 63, 4 }, { 0, 4, 89, -16, 0, -18, 65, 4 },
{ 0, 4, 87, -17, 0, -18, 68, 4 }, { 0, 4, 85, -17, 0, -18, 70, 4 },
{ 0, 4, 82, -17, 0, -18, 73, 4 }, { 0, 4, 80, -17, 0, -18, 75, 4 },
{ 0, 4, 78, -18, 0, -18, 78, 4 }, { 0, 4, 75, -18, 0, -17, 80, 4 },
{ 0, 4, 73, -18, 0, -17, 82, 4 }, { 0, 4, 70, -18, 0, -17, 85, 4 },
{ 0, 4, 68, -18, 0, -17, 87, 4 }, { 0, 4, 65, -18, 0, -16, 89, 4 },
{ 0, 4, 63, -18, 0, -16, 91, 4 }, { 0, 4, 60, -18, 0, -16, 94, 4 },
{ 0, 3, 58, -18, 0, -15, 96, 4 }, { 0, 4, 55, -18, 0, -15, 98, 4 },
{ 0, 3, 52, -17, 0, -14, 100, 4 }, { 0, 3, 50, -17, 0, -14, 102, 4 },
{ 0, 3, 47, -17, 0, -13, 104, 4 }, { 0, 3, 45, -17, 0, -13, 106, 4 },
{ 0, 3, 42, -16, 0, -12, 108, 3 }, { 0, 3, 40, -16, 0, -11, 109, 3 },
{ 0, 3, 37, -15, 0, -11, 111, 3 }, { 0, 2, 35, -15, 0, -10, 113, 3 },
{ 0, 3, 32, -14, 0, -10, 114, 3 }, { 0, 2, 29, -13, 0, -9, 116, 3 },
{ 0, 2, 27, -13, 0, -8, 117, 3 }, { 0, 2, 25, -12, 0, -8, 119, 2 },
{ 0, 2, 22, -11, 0, -7, 120, 2 }, { 0, 1, 20, -10, 0, -6, 121, 2 },
{ 0, 1, 18, -9, 0, -6, 122, 2 }, { 0, 1, 15, -8, 0, -5, 123, 2 },
{ 0, 1, 13, -7, 0, -4, 124, 1 }, { 0, 1, 11, -6, 0, -4, 125, 1 },
{ 0, 1, 8, -5, 0, -3, 126, 1 }, { 0, 1, 6, -4, 0, -2, 126, 1 },
{ 0, 0, 4, -3, 0, -1, 127, 1 }, { 0, 0, 2, -1, 0, 0, 127, 0 },
// dummy (replicate row index 191)
{ 0, 0, 2, -1, 0, 0, 127, 0 }
};
const int16_t dav1d_resize_filter[64][8] = {
{ 0, 0, 0, 128, 0, 0, 0, 0 }, { 0, 0, -1, 128, 2, -1, 0, 0 },
{ 0, 1, -3, 127, 4, -2, 1, 0 }, { 0, 1, -4, 127, 6, -3, 1, 0 },
{ 0, 2, -6, 126, 8, -3, 1, 0 }, { 0, 2, -7, 125, 11, -4, 1, 0 },
{ -1, 2, -8, 125, 13, -5, 2, 0 }, { -1, 3, -9, 124, 15, -6, 2, 0 },
{ -1, 3, -10, 123, 18, -6, 2, -1 }, { -1, 3, -11, 122, 20, -7, 3, -1 },
{ -1, 4, -12, 121, 22, -8, 3, -1 }, { -1, 4, -13, 120, 25, -9, 3, -1 },
{ -1, 4, -14, 118, 28, -9, 3, -1 }, { -1, 4, -15, 117, 30, -10, 4, -1 },
{ -1, 5, -16, 116, 32, -11, 4, -1 }, { -1, 5, -16, 114, 35, -12, 4, -1 },
{ -1, 5, -17, 112, 38, -12, 4, -1 }, { -1, 5, -18, 111, 40, -13, 5, -1 },
{ -1, 5, -18, 109, 43, -14, 5, -1 }, { -1, 6, -19, 107, 45, -14, 5, -1 },
{ -1, 6, -19, 105, 48, -15, 5, -1 }, { -1, 6, -19, 103, 51, -16, 5, -1 },
{ -1, 6, -20, 101, 53, -16, 6, -1 }, { -1, 6, -20, 99, 56, -17, 6, -1 },
{ -1, 6, -20, 97, 58, -17, 6, -1 }, { -1, 6, -20, 95, 61, -18, 6, -1 },
{ -2, 7, -20, 93, 64, -18, 6, -2 }, { -2, 7, -20, 91, 66, -19, 6, -1 },
{ -2, 7, -20, 88, 69, -19, 6, -1 }, { -2, 7, -20, 86, 71, -19, 6, -1 },
{ -2, 7, -20, 84, 74, -20, 7, -2 }, { -2, 7, -20, 81, 76, -20, 7, -1 },
{ -2, 7, -20, 79, 79, -20, 7, -2 }, { -1, 7, -20, 76, 81, -20, 7, -2 },
{ -2, 7, -20, 74, 84, -20, 7, -2 }, { -1, 6, -19, 71, 86, -20, 7, -2 },
{ -1, 6, -19, 69, 88, -20, 7, -2 }, { -1, 6, -19, 66, 91, -20, 7, -2 },
{ -2, 6, -18, 64, 93, -20, 7, -2 }, { -1, 6, -18, 61, 95, -20, 6, -1 },
{ -1, 6, -17, 58, 97, -20, 6, -1 }, { -1, 6, -17, 56, 99, -20, 6, -1 },
{ -1, 6, -16, 53, 101, -20, 6, -1 }, { -1, 5, -16, 51, 103, -19, 6, -1 },
{ -1, 5, -15, 48, 105, -19, 6, -1 }, { -1, 5, -14, 45, 107, -19, 6, -1 },
{ -1, 5, -14, 43, 109, -18, 5, -1 }, { -1, 5, -13, 40, 111, -18, 5, -1 },
{ -1, 4, -12, 38, 112, -17, 5, -1 }, { -1, 4, -12, 35, 114, -16, 5, -1 },
{ -1, 4, -11, 32, 116, -16, 5, -1 }, { -1, 4, -10, 30, 117, -15, 4, -1 },
{ -1, 3, -9, 28, 118, -14, 4, -1 }, { -1, 3, -9, 25, 120, -13, 4, -1 },
{ -1, 3, -8, 22, 121, -12, 4, -1 }, { -1, 3, -7, 20, 122, -11, 3, -1 },
{ -1, 2, -6, 18, 123, -10, 3, -1 }, { 0, 2, -6, 15, 124, -9, 3, -1 },
{ 0, 2, -5, 13, 125, -8, 2, -1 }, { 0, 1, -4, 11, 125, -7, 2, 0 },
{ 0, 1, -3, 8, 126, -6, 2, 0 }, { 0, 1, -3, 6, 127, -4, 1, 0 },
{ 0, 1, -2, 4, 127, -3, 1, 0 }, { 0, 0, -1, 2, 128, -1, 0, 0 },
};
const uint8_t dav1d_sm_weights[128] = {
// 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
};
const int16_t dav1d_dr_intra_derivative[90] = {
// More evenly spread out angles and limited to 10-bit
// Values that are 0 will never be used
0, 0, 0, // Approx angle
1023, 0, 0, // 3, ...
547, 0, 0, // 6, ...
372, 0, 0, 0, 0, // 9, ...
273, 0, 0, // 14, ...
215, 0, 0, // 17, ...
178, 0, 0, // 20, ...
151, 0, 0, // 23, ... (113 & 203 are base angles)
132, 0, 0, // 26, ...
116, 0, 0, // 29, ...
102, 0, 0, 0, // 32, ...
90, 0, 0, // 36, ...
80, 0, 0, // 39, ...
71, 0, 0, // 42, ...
64, 0, 0, // 45, ... (45 & 135 are base angles)
57, 0, 0, // 48, ...
51, 0, 0, // 51, ...
45, 0, 0, 0, // 54, ...
40, 0, 0, // 58, ...
35, 0, 0, // 61, ...
31, 0, 0, // 64, ...
27, 0, 0, // 67, ... (67 & 157 are base angles)
23, 0, 0, // 70, ...
19, 0, 0, // 73, ...
15, 0, 0, 0, 0, // 76, ...
11, 0, 0, // 81, ...
7, 0, 0, // 84, ...
3, 0, 0, // 87, ...
};
const int8_t ALIGN(dav1d_filter_intra_taps[5][64], 16) = {
{
-6, 10, -5, 2, -3, 1, -3, 1,
-4, 6, -3, 2, -3, 2, -3, 1,
0, 0, 10, 0, 1, 10, 1, 2,
0, 0, 6, 0, 2, 6, 2, 2,
0, 12, 0, 9, 0, 7, 10, 5,
0, 2, 0, 2, 0, 2, 6, 3,
0, 0, 0, 0, 0, 0, 0, 0,
12, 0, 9, 0, 7, 0, 5, 0
}, {
-10, 16, -6, 0, -4, 0, -2, 0,
-10, 16, -6, 0, -4, 0, -2, 0,
0, 0, 16, 0, 0, 16, 0, 0,
0, 0, 16, 0, 0, 16, 0, 0,
0, 10, 0, 6, 0, 4, 16, 2,
0, 0, 0, 0, 0, 0, 16, 0,
0, 0, 0, 0, 0, 0, 0, 0,
10, 0, 6, 0, 4, 0, 2, 0
}, {
-8, 8, -8, 0, -8, 0, -8, 0,
-4, 4, -4, 0, -4, 0, -4, 0,
0, 0, 8, 0, 0, 8, 0, 0,
0, 0, 4, 0, 0, 4, 0, 0,
0, 16, 0, 16, 0, 16, 8, 16,
0, 0, 0, 0, 0, 0, 4, 0,
0, 0, 0, 0, 0, 0, 0, 0,
16, 0, 16, 0, 16, 0, 16, 0
}, {
-2, 8, -1, 3, -1, 2, 0, 1,
-1, 4, -1, 3, -1, 2, -1, 2,
0, 0, 8, 0, 3, 8, 2, 3,
0, 0, 4, 0, 3, 4, 2, 3,
0, 10, 0, 6, 0, 4, 8, 2,
0, 3, 0, 4, 0, 4, 4, 3,
0, 0, 0, 0, 0, 0, 0, 0,
10, 0, 6, 0, 4, 0, 3, 0
}, {
-12, 14, -10, 0, -9, 0, -8, 0,
-10, 12, -9, 1, -8, 0, -7, 0,
0, 0, 14, 0, 0, 14, 0, 0,
0, 0, 12, 0, 0, 12, 0, 1,
0, 14, 0, 12, 0, 11, 14, 10,
0, 0, 0, 0, 0, 1, 12, 1,
0, 0, 0, 0, 0, 0, 0, 0,
14, 0, 12, 0, 11, 0, 9, 0
}
};
const uint8_t ALIGN(dav1d_obmc_masks[64], 32) = {
/* Unused */
0, 0,
/* 2 */
19, 0,
/* 4 */
25, 14, 5, 0,
/* 8 */
28, 22, 16, 11, 7, 3, 0, 0,
/* 16 */
30, 27, 24, 21, 18, 15, 12, 10, 8, 6, 4, 3, 0, 0, 0, 0,
/* 32 */
31, 29, 28, 26, 24, 23, 21, 20, 19, 17, 16, 14, 13, 12, 11, 9,
8, 7, 6, 5, 4, 4, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0,
};
// Taken from the spec. Range is [-2048, 2047], mean is 0 and stddev is 512
const int16_t dav1d_gaussian_sequence[2048] = {
56, 568, -180, 172, 124, -84, 172, -64, -900, 24, 820,
224, 1248, 996, 272, -8, -916, -388, -732, -104, -188, 800,
112, -652, -320, -376, 140, -252, 492, -168, 44, -788, 588,
-584, 500, -228, 12, 680, 272, -476, 972, -100, 652, 368,
432, -196, -720, -192, 1000, -332, 652, -136, -552, -604, -4,
192, -220, -136, 1000, -52, 372, -96, -624, 124, -24, 396,
540, -12, -104, 640, 464, 244, -208, -84, 368, -528, -740,
248, -968, -848, 608, 376, -60, -292, -40, -156, 252, -292,
248, 224, -280, 400, -244, 244, -60, 76, -80, 212, 532,
340, 128, -36, 824, -352, -60, -264, -96, -612, 416, -704,
220, -204, 640, -160, 1220, -408, 900, 336, 20, -336, -96,
-792, 304, 48, -28, -1232, -1172, -448, 104, -292, -520, 244,
60, -948, 0, -708, 268, 108, 356, -548, 488, -344, -136,
488, -196, -224, 656, -236, -1128, 60, 4, 140, 276, -676,
-376, 168, -108, 464, 8, 564, 64, 240, 308, -300, -400,
-456, -136, 56, 120, -408, -116, 436, 504, -232, 328, 844,
-164, -84, 784, -168, 232, -224, 348, -376, 128, 568, 96,
-1244, -288, 276, 848, 832, -360, 656, 464, -384, -332, -356,
728, -388, 160, -192, 468, 296, 224, 140, -776, -100, 280,
4, 196, 44, -36, -648, 932, 16, 1428, 28, 528, 808,
772, 20, 268, 88, -332, -284, 124, -384, -448, 208, -228,
-1044, -328, 660, 380, -148, -300, 588, 240, 540, 28, 136,
-88, -436, 256, 296, -1000, 1400, 0, -48, 1056, -136, 264,
-528, -1108, 632, -484, -592, -344, 796, 124, -668, -768, 388,
1296, -232, -188, -200, -288, -4, 308, 100, -168, 256, -500,
204, -508, 648, -136, 372, -272, -120, -1004, -552, -548, -384,
548, -296, 428, -108, -8, -912, -324, -224, -88, -112, -220,
-100, 996, -796, 548, 360, -216, 180, 428, -200, -212, 148,
96, 148, 284, 216, -412, -320, 120, -300, -384, -604, -572,
-332, -8, -180, -176, 696, 116, -88, 628, 76, 44, -516,
240, -208, -40, 100, -592, 344, -308, -452, -228, 20, 916,
-1752, -136, -340, -804, 140, 40, 512, 340, 248, 184, -492,
896, -156, 932, -628, 328, -688, -448, -616, -752, -100, 560,
-1020, 180, -800, -64, 76, 576, 1068, 396, 660, 552, -108,
-28, 320, -628, 312, -92, -92, -472, 268, 16, 560, 516,
-672, -52, 492, -100, 260, 384, 284, 292, 304, -148, 88,
-152, 1012, 1064, -228, 164, -376, -684, 592, -392, 156, 196,
-524, -64, -884, 160, -176, 636, 648, 404, -396, -436, 864,
424, -728, 988, -604, 904, -592, 296, -224, 536, -176, -920,
436, -48, 1176, -884, 416, -776, -824, -884, 524, -548, -564,
-68, -164, -96, 692, 364, -692, -1012, -68, 260, -480, 876,
-1116, 452, -332, -352, 892, -1088, 1220, -676, 12, -292, 244,
496, 372, -32, 280, 200, 112, -440, -96, 24, -644, -184,
56, -432, 224, -980, 272, -260, 144, -436, 420, 356, 364,
-528, 76, 172, -744, -368, 404, -752, -416, 684, -688, 72,
540, 416, 92, 444, 480, -72, -1416, 164, -1172, -68, 24,
424, 264, 1040, 128, -912, -524, -356, 64, 876, -12, 4,
-88, 532, 272, -524, 320, 276, -508, 940, 24, -400, -120,
756, 60, 236, -412, 100, 376, -484, 400, -100, -740, -108,
-260, 328, -268, 224, -200, -416, 184, -604, -564, -20, 296,
60, 892, -888, 60, 164, 68, -760, 216, -296, 904, -336,
-28, 404, -356, -568, -208, -1480, -512, 296, 328, -360, -164,
-1560, -776, 1156, -428, 164, -504, -112, 120, -216, -148, -264,
308, 32, 64, -72, 72, 116, 176, -64, -272, 460, -536,
-784, -280, 348, 108, -752, -132, 524, -540, -776, 116, -296,
-1196, -288, -560, 1040, -472, 116, -848, -1116, 116, 636, 696,
284, -176, 1016, 204, -864, -648, -248, 356, 972, -584, -204,
264, 880, 528, -24, -184, 116, 448, -144, 828, 524, 212,
-212, 52, 12, 200, 268, -488, -404, -880, 824, -672, -40,
908, -248, 500, 716, -576, 492, -576, 16, 720, -108, 384,
124, 344, 280, 576, -500, 252, 104, -308, 196, -188, -8,
1268, 296, 1032, -1196, 436, 316, 372, -432, -200, -660, 704,
-224, 596, -132, 268, 32, -452, 884, 104, -1008, 424, -1348,
-280, 4, -1168, 368, 476, 696, 300, -8, 24, 180, -592,
-196, 388, 304, 500, 724, -160, 244, -84, 272, -256, -420,
320, 208, -144, -156, 156, 364, 452, 28, 540, 316, 220,
-644, -248, 464, 72, 360, 32, -388, 496, -680, -48, 208,
-116, -408, 60, -604, -392, 548, -840, 784, -460, 656, -544,
-388, -264, 908, -800, -628, -612, -568, 572, -220, 164, 288,
-16, -308, 308, -112, -636, -760, 280, -668, 432, 364, 240,
-196, 604, 340, 384, 196, 592, -44, -500, 432, -580, -132,
636, -76, 392, 4, -412, 540, 508, 328, -356, -36, 16,
-220, -64, -248, -60, 24, -192, 368, 1040, 92, -24, -1044,
-32, 40, 104, 148, 192, -136, -520, 56, -816, -224, 732,
392, 356, 212, -80, -424, -1008, -324, 588, -1496, 576, 460,
-816, -848, 56, -580, -92, -1372, -112, -496, 200, 364, 52,
-140, 48, -48, -60, 84, 72, 40, 132, -356, -268, -104,
-284, -404, 732, -520, 164, -304, -540, 120, 328, -76, -460,
756, 388, 588, 236, -436, -72, -176, -404, -316, -148, 716,
-604, 404, -72, -88, -888, -68, 944, 88, -220, -344, 960,
472, 460, -232, 704, 120, 832, -228, 692, -508, 132, -476,
844, -748, -364, -44, 1116, -1104, -1056, 76, 428, 552, -692,
60, 356, 96, -384, -188, -612, -576, 736, 508, 892, 352,
-1132, 504, -24, -352, 324, 332, -600, -312, 292, 508, -144,
-8, 484, 48, 284, -260, -240, 256, -100, -292, -204, -44,
472, -204, 908, -188, -1000, -256, 92, 1164, -392, 564, 356,
652, -28, -884, 256, 484, -192, 760, -176, 376, -524, -452,
-436, 860, -736, 212, 124, 504, -476, 468, 76, -472, 552,
-692, -944, -620, 740, -240, 400, 132, 20, 192, -196, 264,
-668, -1012, -60, 296, -316, -828, 76, -156, 284, -768, -448,
-832, 148, 248, 652, 616, 1236, 288, -328, -400, -124, 588,
220, 520, -696, 1032, 768, -740, -92, -272, 296, 448, -464,
412, -200, 392, 440, -200, 264, -152, -260, 320, 1032, 216,
320, -8, -64, 156, -1016, 1084, 1172, 536, 484, -432, 132,
372, -52, -256, 84, 116, -352, 48, 116, 304, -384, 412,
924, -300, 528, 628, 180, 648, 44, -980, -220, 1320, 48,
332, 748, 524, -268, -720, 540, -276, 564, -344, -208, -196,
436, 896, 88, -392, 132, 80, -964, -288, 568, 56, -48,
-456, 888, 8, 552, -156, -292, 948, 288, 128, -716, -292,
1192, -152, 876, 352, -600, -260, -812, -468, -28, -120, -32,
-44, 1284, 496, 192, 464, 312, -76, -516, -380, -456, -1012,
-48, 308, -156, 36, 492, -156, -808, 188, 1652, 68, -120,
-116, 316, 160, -140, 352, 808, -416, 592, 316, -480, 56,
528, -204, -568, 372, -232, 752, -344, 744, -4, 324, -416,
-600, 768, 268, -248, -88, -132, -420, -432, 80, -288, 404,
-316, -1216, -588, 520, -108, 92, -320, 368, -480, -216, -92,
1688, -300, 180, 1020, -176, 820, -68, -228, -260, 436, -904,
20, 40, -508, 440, -736, 312, 332, 204, 760, -372, 728,
96, -20, -632, -520, -560, 336, 1076, -64, -532, 776, 584,
192, 396, -728, -520, 276, -188, 80, -52, -612, -252, -48,
648, 212, -688, 228, -52, -260, 428, -412, -272, -404, 180,
816, -796, 48, 152, 484, -88, -216, 988, 696, 188, -528,
648, -116, -180, 316, 476, 12, -564, 96, 476, -252, -364,
-376, -392, 556, -256, -576, 260, -352, 120, -16, -136, -260,
-492, 72, 556, 660, 580, 616, 772, 436, 424, -32, -324,
-1268, 416, -324, -80, 920, 160, 228, 724, 32, -516, 64,
384, 68, -128, 136, 240, 248, -204, -68, 252, -932, -120,
-480, -628, -84, 192, 852, -404, -288, -132, 204, 100, 168,
-68, -196, -868, 460, 1080, 380, -80, 244, 0, 484, -888,
64, 184, 352, 600, 460, 164, 604, -196, 320, -64, 588,
-184, 228, 12, 372, 48, -848, -344, 224, 208, -200, 484,
128, -20, 272, -468, -840, 384, 256, -720, -520, -464, -580,
112, -120, 644, -356, -208, -608, -528, 704, 560, -424, 392,
828, 40, 84, 200, -152, 0, -144, 584, 280, -120, 80,
-556, -972, -196, -472, 724, 80, 168, -32, 88, 160, -688,
0, 160, 356, 372, -776, 740, -128, 676, -248, -480, 4,
-364, 96, 544, 232, -1032, 956, 236, 356, 20, -40, 300,
24, -676, -596, 132, 1120, -104, 532, -1096, 568, 648, 444,
508, 380, 188, -376, -604, 1488, 424, 24, 756, -220, -192,
716, 120, 920, 688, 168, 44, -460, 568, 284, 1144, 1160,
600, 424, 888, 656, -356, -320, 220, 316, -176, -724, -188,
-816, -628, -348, -228, -380, 1012, -452, -660, 736, 928, 404,
-696, -72, -268, -892, 128, 184, -344, -780, 360, 336, 400,
344, 428, 548, -112, 136, -228, -216, -820, -516, 340, 92,
-136, 116, -300, 376, -244, 100, -316, -520, -284, -12, 824,
164, -548, -180, -128, 116, -924, -828, 268, -368, -580, 620,
192, 160, 0, -1676, 1068, 424, -56, -360, 468, -156, 720,
288, -528, 556, -364, 548, -148, 504, 316, 152, -648, -620,
-684, -24, -376, -384, -108, -920, -1032, 768, 180, -264, -508,
-1268, -260, -60, 300, -240, 988, 724, -376, -576, -212, -736,
556, 192, 1092, -620, -880, 376, -56, -4, -216, -32, 836,
268, 396, 1332, 864, -600, 100, 56, -412, -92, 356, 180,
884, -468, -436, 292, -388, -804, -704, -840, 368, -348, 140,
-724, 1536, 940, 372, 112, -372, 436, -480, 1136, 296, -32,
-228, 132, -48, -220, 868, -1016, -60, -1044, -464, 328, 916,
244, 12, -736, -296, 360, 468, -376, -108, -92, 788, 368,
-56, 544, 400, -672, -420, 728, 16, 320, 44, -284, -380,
-796, 488, 132, 204, -596, -372, 88, -152, -908, -636, -572,
-624, -116, -692, -200, -56, 276, -88, 484, -324, 948, 864,
1000, -456, -184, -276, 292, -296, 156, 676, 320, 160, 908,
-84, -1236, -288, -116, 260, -372, -644, 732, -756, -96, 84,
344, -520, 348, -688, 240, -84, 216, -1044, -136, -676, -396,
-1500, 960, -40, 176, 168, 1516, 420, -504, -344, -364, -360,
1216, -940, -380, -212, 252, -660, -708, 484, -444, -152, 928,
-120, 1112, 476, -260, 560, -148, -344, 108, -196, 228, -288,
504, 560, -328, -88, 288, -1008, 460, -228, 468, -836, -196,
76, 388, 232, 412, -1168, -716, -644, 756, -172, -356, -504,
116, 432, 528, 48, 476, -168, -608, 448, 160, -532, -272,
28, -676, -12, 828, 980, 456, 520, 104, -104, 256, -344,
-4, -28, -368, -52, -524, -572, -556, -200, 768, 1124, -208,
-512, 176, 232, 248, -148, -888, 604, -600, -304, 804, -156,
-212, 488, -192, -804, -256, 368, -360, -916, -328, 228, -240,
-448, -472, 856, -556, -364, 572, -12, -156, -368, -340, 432,
252, -752, -152, 288, 268, -580, -848, -592, 108, -76, 244,
312, -716, 592, -80, 436, 360, 4, -248, 160, 516, 584,
732, 44, -468, -280, -292, -156, -588, 28, 308, 912, 24,
124, 156, 180, -252, 944, -924, -772, -520, -428, -624, 300,
-212, -1144, 32, -724, 800, -1128, -212, -1288, -848, 180, -416,
440, 192, -576, -792, -76, -1080, 80, -532, -352, -132, 380,
-820, 148, 1112, 128, 164, 456, 700, -924, 144, -668, -384,
648, -832, 508, 552, -52, -100, -656, 208, -568, 748, -88,
680, 232, 300, 192, -408, -1012, -152, -252, -268, 272, -876,
-664, -648, -332, -136, 16, 12, 1152, -28, 332, -536, 320,
-672, -460, -316, 532, -260, 228, -40, 1052, -816, 180, 88,
-496, -556, -672, -368, 428, 92, 356, 404, -408, 252, 196,
-176, -556, 792, 268, 32, 372, 40, 96, -332, 328, 120,
372, -900, -40, 472, -264, -592, 952, 128, 656, 112, 664,
-232, 420, 4, -344, -464, 556, 244, -416, -32, 252, 0,
-412, 188, -696, 508, -476, 324, -1096, 656, -312, 560, 264,
-136, 304, 160, -64, -580, 248, 336, -720, 560, -348, -288,
-276, -196, -500, 852, -544, -236, -1128, -992, -776, 116, 56,
52, 860, 884, 212, -12, 168, 1020, 512, -552, 924, -148,
716, 188, 164, -340, -520, -184, 880, -152, -680, -208, -1156,
-300, -528, -472, 364, 100, -744, -1056, -32, 540, 280, 144,
-676, -32, -232, -280, -224, 96, 568, -76, 172, 148, 148,
104, 32, -296, -32, 788, -80, 32, -16, 280, 288, 944,
428, -484
};