177 lines
6.9 KiB
C
177 lines
6.9 KiB
C
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/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vp9/common/vp9_common_data.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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// Log 2 conversion lookup tables for block width and height
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const uint8_t b_width_log2_lookup[BLOCK_SIZES] =
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{0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4};
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const uint8_t b_height_log2_lookup[BLOCK_SIZES] =
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{0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4};
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const uint8_t num_4x4_blocks_wide_lookup[BLOCK_SIZES] =
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{1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16};
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const uint8_t num_4x4_blocks_high_lookup[BLOCK_SIZES] =
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{1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16};
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// Log 2 conversion lookup tables for modeinfo width and height
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const uint8_t mi_width_log2_lookup[BLOCK_SIZES] =
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{0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3};
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const uint8_t num_8x8_blocks_wide_lookup[BLOCK_SIZES] =
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{1, 1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 8, 8};
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const uint8_t num_8x8_blocks_high_lookup[BLOCK_SIZES] =
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{1, 1, 1, 1, 2, 1, 2, 4, 2, 4, 8, 4, 8};
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// VPXMIN(3, VPXMIN(b_width_log2(bsize), b_height_log2(bsize)))
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const uint8_t size_group_lookup[BLOCK_SIZES] =
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{0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3};
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const uint8_t num_pels_log2_lookup[BLOCK_SIZES] =
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{4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12};
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const PARTITION_TYPE partition_lookup[][BLOCK_SIZES] = {
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{ // 4X4
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// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
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PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID
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}, { // 8X8
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// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
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PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID
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}, { // 16X16
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// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
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PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
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PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID
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}, { // 32X32
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// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
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PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
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PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT,
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PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
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PARTITION_INVALID, PARTITION_INVALID
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}, { // 64X64
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// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
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PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
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PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
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PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ,
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PARTITION_NONE
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}
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};
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const BLOCK_SIZE subsize_lookup[PARTITION_TYPES][BLOCK_SIZES] = {
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{ // PARTITION_NONE
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BLOCK_4X4, BLOCK_4X8, BLOCK_8X4,
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BLOCK_8X8, BLOCK_8X16, BLOCK_16X8,
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BLOCK_16X16, BLOCK_16X32, BLOCK_32X16,
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BLOCK_32X32, BLOCK_32X64, BLOCK_64X32,
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BLOCK_64X64,
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}, { // PARTITION_HORZ
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BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_8X4, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_16X8, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_32X16, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_64X32,
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}, { // PARTITION_VERT
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BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_4X8, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_8X16, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_16X32, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_32X64,
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}, { // PARTITION_SPLIT
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BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_4X4, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_8X8, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_16X16, BLOCK_INVALID, BLOCK_INVALID,
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BLOCK_32X32,
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}
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};
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const TX_SIZE max_txsize_lookup[BLOCK_SIZES] = {
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TX_4X4, TX_4X4, TX_4X4,
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TX_8X8, TX_8X8, TX_8X8,
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TX_16X16, TX_16X16, TX_16X16,
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TX_32X32, TX_32X32, TX_32X32, TX_32X32
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};
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const BLOCK_SIZE txsize_to_bsize[TX_SIZES] = {
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BLOCK_4X4, // TX_4X4
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BLOCK_8X8, // TX_8X8
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BLOCK_16X16, // TX_16X16
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BLOCK_32X32, // TX_32X32
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};
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const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = {
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TX_4X4, // ONLY_4X4
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TX_8X8, // ALLOW_8X8
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TX_16X16, // ALLOW_16X16
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TX_32X32, // ALLOW_32X32
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TX_32X32, // TX_MODE_SELECT
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};
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const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES][2][2] = {
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// ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1
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// ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1
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{{BLOCK_4X4, BLOCK_INVALID}, {BLOCK_INVALID, BLOCK_INVALID}},
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{{BLOCK_4X8, BLOCK_4X4}, {BLOCK_INVALID, BLOCK_INVALID}},
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{{BLOCK_8X4, BLOCK_INVALID}, {BLOCK_4X4, BLOCK_INVALID}},
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{{BLOCK_8X8, BLOCK_8X4}, {BLOCK_4X8, BLOCK_4X4}},
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{{BLOCK_8X16, BLOCK_8X8}, {BLOCK_INVALID, BLOCK_4X8}},
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{{BLOCK_16X8, BLOCK_INVALID}, {BLOCK_8X8, BLOCK_8X4}},
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{{BLOCK_16X16, BLOCK_16X8}, {BLOCK_8X16, BLOCK_8X8}},
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{{BLOCK_16X32, BLOCK_16X16}, {BLOCK_INVALID, BLOCK_8X16}},
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{{BLOCK_32X16, BLOCK_INVALID}, {BLOCK_16X16, BLOCK_16X8}},
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{{BLOCK_32X32, BLOCK_32X16}, {BLOCK_16X32, BLOCK_16X16}},
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{{BLOCK_32X64, BLOCK_32X32}, {BLOCK_INVALID, BLOCK_16X32}},
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{{BLOCK_64X32, BLOCK_INVALID}, {BLOCK_32X32, BLOCK_32X16}},
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{{BLOCK_64X64, BLOCK_64X32}, {BLOCK_32X64, BLOCK_32X32}},
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};
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// Generates 4 bit field in which each bit set to 1 represents
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// a blocksize partition 1111 means we split 64x64, 32x32, 16x16
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// and 8x8. 1000 means we just split the 64x64 to 32x32
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const struct {
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PARTITION_CONTEXT above;
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PARTITION_CONTEXT left;
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} partition_context_lookup[BLOCK_SIZES]= {
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{15, 15}, // 4X4 - {0b1111, 0b1111}
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{15, 14}, // 4X8 - {0b1111, 0b1110}
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{14, 15}, // 8X4 - {0b1110, 0b1111}
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{14, 14}, // 8X8 - {0b1110, 0b1110}
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{14, 12}, // 8X16 - {0b1110, 0b1100}
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{12, 14}, // 16X8 - {0b1100, 0b1110}
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{12, 12}, // 16X16 - {0b1100, 0b1100}
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{12, 8 }, // 16X32 - {0b1100, 0b1000}
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{8, 12}, // 32X16 - {0b1000, 0b1100}
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{8, 8 }, // 32X32 - {0b1000, 0b1000}
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{8, 0 }, // 32X64 - {0b1000, 0b0000}
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{0, 8 }, // 64X32 - {0b0000, 0b1000}
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{0, 0 }, // 64X64 - {0b0000, 0b0000}
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};
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#if CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH
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const uint8_t need_top_left[INTRA_MODES] = {
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0, // DC_PRED
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0, // V_PRED
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0, // H_PRED
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0, // D45_PRED
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1, // D135_PRED
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1, // D117_PRED
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1, // D153_PRED
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0, // D207_PRED
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0, // D63_PRED
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1, // TM_PRED
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};
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#endif // CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH
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