ref: 5d0a271ded78c1fe86ca583bef29d16c80d4feba
dir: /vp9/common/vp9_common_data.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "vp9/common/vp9_common_data.h"
#include "vpx_dsp/vpx_dsp_common.h"
// Log 2 conversion lookup tables for block width and height
const uint8_t b_width_log2_lookup[BLOCK_SIZES] = { 0, 0, 1, 1, 1, 2, 2,
2, 3, 3, 3, 4, 4 };
const uint8_t b_height_log2_lookup[BLOCK_SIZES] = { 0, 1, 0, 1, 2, 1, 2,
3, 2, 3, 4, 3, 4 };
const uint8_t num_4x4_blocks_wide_lookup[BLOCK_SIZES] = { 1, 1, 2, 2, 2, 4, 4,
4, 8, 8, 8, 16, 16 };
const uint8_t num_4x4_blocks_high_lookup[BLOCK_SIZES] = { 1, 2, 1, 2, 4, 2, 4,
8, 4, 8, 16, 8, 16 };
// Log 2 conversion lookup tables for modeinfo width and height
const uint8_t mi_width_log2_lookup[BLOCK_SIZES] = { 0, 0, 0, 0, 0, 1, 1,
1, 2, 2, 2, 3, 3 };
const uint8_t num_8x8_blocks_wide_lookup[BLOCK_SIZES] = { 1, 1, 1, 1, 1, 2, 2,
2, 4, 4, 4, 8, 8 };
const uint8_t num_8x8_blocks_high_lookup[BLOCK_SIZES] = { 1, 1, 1, 1, 2, 1, 2,
4, 2, 4, 8, 4, 8 };
// VPXMIN(3, VPXMIN(b_width_log2(bsize), b_height_log2(bsize)))
const uint8_t size_group_lookup[BLOCK_SIZES] = { 0, 0, 0, 1, 1, 1, 2,
2, 2, 3, 3, 3, 3 };
const uint8_t num_pels_log2_lookup[BLOCK_SIZES] = { 4, 5, 5, 6, 7, 7, 8,
9, 9, 10, 11, 11, 12 };
const PARTITION_TYPE partition_lookup[][BLOCK_SIZES] = {
{ // 4X4
// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID },
{ // 8X8
// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE,
PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID },
{ // 16X16
// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID },
{ // 32X32
// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT,
PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID,
PARTITION_INVALID },
{ // 64X64
// 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ,
PARTITION_NONE }
};
const BLOCK_SIZE subsize_lookup[PARTITION_TYPES][BLOCK_SIZES] = {
{ // PARTITION_NONE
BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, BLOCK_8X8, BLOCK_8X16, BLOCK_16X8,
BLOCK_16X16, BLOCK_16X32, BLOCK_32X16, BLOCK_32X32, BLOCK_32X64,
BLOCK_64X32, BLOCK_64X64 },
{ // PARTITION_HORZ
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X4, BLOCK_INVALID,
BLOCK_INVALID, BLOCK_16X8, BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X16,
BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X32 },
{ // PARTITION_VERT
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X8, BLOCK_INVALID,
BLOCK_INVALID, BLOCK_8X16, BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X32,
BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X64 },
{ // PARTITION_SPLIT
BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X4, BLOCK_INVALID,
BLOCK_INVALID, BLOCK_8X8, BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X16,
BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X32 }
};
const TX_SIZE max_txsize_lookup[BLOCK_SIZES] = {
TX_4X4, TX_4X4, TX_4X4, TX_8X8, TX_8X8, TX_8X8, TX_16X16,
TX_16X16, TX_16X16, TX_32X32, TX_32X32, TX_32X32, TX_32X32
};
const BLOCK_SIZE txsize_to_bsize[TX_SIZES] = {
BLOCK_4X4, // TX_4X4
BLOCK_8X8, // TX_8X8
BLOCK_16X16, // TX_16X16
BLOCK_32X32, // TX_32X32
};
const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = {
TX_4X4, // ONLY_4X4
TX_8X8, // ALLOW_8X8
TX_16X16, // ALLOW_16X16
TX_32X32, // ALLOW_32X32
TX_32X32, // TX_MODE_SELECT
};
const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES][2][2] = {
// ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1
// ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1
{ { BLOCK_4X4, BLOCK_INVALID }, { BLOCK_INVALID, BLOCK_INVALID } },
{ { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_INVALID, BLOCK_INVALID } },
{ { BLOCK_8X4, BLOCK_INVALID }, { BLOCK_4X4, BLOCK_INVALID } },
{ { BLOCK_8X8, BLOCK_8X4 }, { BLOCK_4X8, BLOCK_4X4 } },
{ { BLOCK_8X16, BLOCK_8X8 }, { BLOCK_INVALID, BLOCK_4X8 } },
{ { BLOCK_16X8, BLOCK_INVALID }, { BLOCK_8X8, BLOCK_8X4 } },
{ { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } },
{ { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_INVALID, BLOCK_8X16 } },
{ { BLOCK_32X16, BLOCK_INVALID }, { BLOCK_16X16, BLOCK_16X8 } },
{ { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } },
{ { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_INVALID, BLOCK_16X32 } },
{ { BLOCK_64X32, BLOCK_INVALID }, { BLOCK_32X32, BLOCK_32X16 } },
{ { BLOCK_64X64, BLOCK_64X32 }, { BLOCK_32X64, BLOCK_32X32 } },
};
const TX_SIZE uv_txsize_lookup[BLOCK_SIZES][TX_SIZES][2][2] = {
// ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1
// ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1
{
// BLOCK_4X4
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
},
{
// BLOCK_4X8
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
},
{
// BLOCK_8X4
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
},
{
// BLOCK_8X8
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_4X4 }, { TX_4X4, TX_4X4 } },
},
{
// BLOCK_8X16
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_4X4, TX_4X4 } },
},
{
// BLOCK_16X8
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_4X4 }, { TX_8X8, TX_4X4 } },
{ { TX_8X8, TX_4X4 }, { TX_8X8, TX_8X8 } },
{ { TX_8X8, TX_4X4 }, { TX_8X8, TX_8X8 } },
},
{
// BLOCK_16X16
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_8X8 }, { TX_8X8, TX_8X8 } },
},
{
// BLOCK_16X32
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_16X16 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_16X16 }, { TX_8X8, TX_8X8 } },
},
{
// BLOCK_32X16
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_8X8 }, { TX_16X16, TX_8X8 } },
{ { TX_16X16, TX_8X8 }, { TX_16X16, TX_8X8 } },
},
{
// BLOCK_32X32
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_16X16 }, { TX_16X16, TX_16X16 } },
{ { TX_32X32, TX_16X16 }, { TX_16X16, TX_16X16 } },
},
{
// BLOCK_32X64
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_16X16 }, { TX_16X16, TX_16X16 } },
{ { TX_32X32, TX_32X32 }, { TX_16X16, TX_16X16 } },
},
{
// BLOCK_64X32
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_16X16 }, { TX_16X16, TX_16X16 } },
{ { TX_32X32, TX_16X16 }, { TX_32X32, TX_16X16 } },
},
{
// BLOCK_64X64
{ { TX_4X4, TX_4X4 }, { TX_4X4, TX_4X4 } },
{ { TX_8X8, TX_8X8 }, { TX_8X8, TX_8X8 } },
{ { TX_16X16, TX_16X16 }, { TX_16X16, TX_16X16 } },
{ { TX_32X32, TX_32X32 }, { TX_32X32, TX_32X32 } },
},
};
// Generates 4 bit field in which each bit set to 1 represents
// a blocksize partition 1111 means we split 64x64, 32x32, 16x16
// and 8x8. 1000 means we just split the 64x64 to 32x32
const struct {
PARTITION_CONTEXT above;
PARTITION_CONTEXT left;
} partition_context_lookup[BLOCK_SIZES] = {
{ 15, 15 }, // 4X4 - {0b1111, 0b1111}
{ 15, 14 }, // 4X8 - {0b1111, 0b1110}
{ 14, 15 }, // 8X4 - {0b1110, 0b1111}
{ 14, 14 }, // 8X8 - {0b1110, 0b1110}
{ 14, 12 }, // 8X16 - {0b1110, 0b1100}
{ 12, 14 }, // 16X8 - {0b1100, 0b1110}
{ 12, 12 }, // 16X16 - {0b1100, 0b1100}
{ 12, 8 }, // 16X32 - {0b1100, 0b1000}
{ 8, 12 }, // 32X16 - {0b1000, 0b1100}
{ 8, 8 }, // 32X32 - {0b1000, 0b1000}
{ 8, 0 }, // 32X64 - {0b1000, 0b0000}
{ 0, 8 }, // 64X32 - {0b0000, 0b1000}
{ 0, 0 }, // 64X64 - {0b0000, 0b0000}
};
#if CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH
const uint8_t need_top_left[INTRA_MODES] = {
0, // DC_PRED
0, // V_PRED
0, // H_PRED
0, // D45_PRED
1, // D135_PRED
1, // D117_PRED
1, // D153_PRED
0, // D207_PRED
0, // D63_PRED
1, // TM_PRED
};
#endif // CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH