| /* | 
 |  * Copyright (c) 2019, Alliance for Open Media. All rights reserved | 
 |  * | 
 |  * This source code is subject to the terms of the BSD 2 Clause License and | 
 |  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License | 
 |  * was not distributed with this source code in the LICENSE file, you can | 
 |  * obtain it at www.aomedia.org/license/software. If the Alliance for Open | 
 |  * Media Patent License 1.0 was not distributed with this source code in the | 
 |  * PATENTS file, you can obtain it at www.aomedia.org/license/patent. | 
 |  */ | 
 |  | 
 | #include <math.h> | 
 |  | 
 | #include "config/aom_config.h" | 
 | #include "config/aom_dsp_rtcd.h" | 
 |  | 
 | #include "aom_dsp/aom_dsp_common.h" | 
 | #include "aom_mem/aom_mem.h" | 
 | #include "aom_ports/mem.h" | 
 | #include "av1/common/av1_loopfilter.h" | 
 | #include "av1/common/onyxc_int.h" | 
 | #include "av1/common/reconinter.h" | 
 | #include "av1/common/seg_common.h" | 
 |  | 
 | // 256 bit masks (64x64 / 4x4) for left transform size for Y plane. | 
 | // We use 4 uint64_t to represent the 256 bit. | 
 | // Each 1 represents a position where we should apply a loop filter | 
 | // across the left border of an 4x4 block boundary. | 
 | // | 
 | // In the case of TX_8x8->  ( in low order byte first we end up with | 
 | // a mask that looks like this (-- and | are used for better view) | 
 | // | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    ----------------- | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | //    10101010|10101010 | 
 | // | 
 | // A loopfilter should be applied to every other 4x4 horizontally. | 
 |  | 
 | // 256 bit masks (64x64 / 4x4) for above transform size for Y plane. | 
 | // We use 4 uint64_t to represent the 256 bit. | 
 | // Each 1 represents a position where we should apply a loop filter | 
 | // across the top border of an 4x4 block boundary. | 
 | // | 
 | // In the case of TX_8x8->  ( in low order byte first we end up with | 
 | // a mask that looks like this | 
 | // | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    ----------------- | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | //    11111111|11111111 | 
 | //    00000000|00000000 | 
 | // | 
 | // A loopfilter should be applied to every other 4x4 horizontally. | 
 | #if CONFIG_LPF_MASK | 
 | static const int mask_id_table_tx_4x4[BLOCK_SIZES_ALL] = { | 
 |   0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, -1, -1, -1, 13, 14, 15, 16, 17, 18 | 
 | }; | 
 |  | 
 | static const int mask_id_table_tx_8x8[BLOCK_SIZES_ALL] = { | 
 |   -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, 10, 11, 12, 13 | 
 | }; | 
 |  | 
 | static const int mask_id_table_tx_16x16[BLOCK_SIZES_ALL] = { | 
 |   -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, -1, -1, -1, -1, -1, -1, -1, 7, 8 | 
 | }; | 
 |  | 
 | static const int mask_id_table_tx_32x32[BLOCK_SIZES_ALL] = { | 
 |   -1, -1, -1, -1, -1, -1, -1, -1, -1, 0,  1, | 
 |   2,  3,  -1, -1, -1, -1, -1, -1, -1, -1, -1 | 
 | }; | 
 | static const int mask_id_table_vert_border[BLOCK_SIZES_ALL] = { | 
 |   0,  47, 49, 19, 51, 53, 33, 55, 57, 42, 59, | 
 |   60, 46, -1, -1, -1, 61, 62, 63, 64, 65, 66 | 
 | }; | 
 |  | 
 | static const FilterMask left_mask_univariant_reordered[67] = { | 
 |   // TX_4X4 | 
 |   { { 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X4, TX_4X4 | 
 |   { { 0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X8, TX_4X4 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X4, TX_4X4 | 
 |   { { 0x0000000000030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X8, TX_4X4 | 
 |   { { 0x0003000300030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X16, TX_4X4 | 
 |   { { 0x00000000000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X8, TX_4X4 | 
 |   { { 0x000f000f000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X16, TX_4X4 | 
 |   { { 0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_4X4 | 
 |   { { 0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_4X4 | 
 |   { { 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_4X4 | 
 |   { { 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, | 
 |       0x00ff00ff00ff00ffULL } },  // block size 32X64, TX_4X4 | 
 |   { { 0xffffffffffffffffULL, 0xffffffffffffffffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_4X4 | 
 |   { { 0xffffffffffffffffULL, 0xffffffffffffffffULL, 0xffffffffffffffffULL, | 
 |       0xffffffffffffffffULL } },  // block size 64X64, TX_4X4 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X16, TX_4X4 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X4, TX_4X4 | 
 |   { { 0x0003000300030003ULL, 0x0003000300030003ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_4X4 | 
 |   { { 0x0000000000ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_4X4 | 
 |   { { 0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x000f000f000f000fULL, | 
 |       0x000f000f000f000fULL } },  // block size 16X64, TX_4X4 | 
 |   { { 0xffffffffffffffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_4X4 | 
 |   // TX_8X8 | 
 |   { { 0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X8, TX_8X8 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X16, TX_8X8 | 
 |   { { 0x0000000000050005ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X8, TX_8X8 | 
 |   { { 0x0005000500050005ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X16, TX_8X8 | 
 |   { { 0x0005000500050005ULL, 0x0005000500050005ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_8X8 | 
 |   { { 0x0055005500550055ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_8X8 | 
 |   { { 0x0055005500550055ULL, 0x0055005500550055ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_8X8 | 
 |   { { 0x0055005500550055ULL, 0x0055005500550055ULL, 0x0055005500550055ULL, | 
 |       0x0055005500550055ULL } },  // block size 32X64, TX_8X8 | 
 |   { { 0x5555555555555555ULL, 0x5555555555555555ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_8X8 | 
 |   { { 0x5555555555555555ULL, 0x5555555555555555ULL, 0x5555555555555555ULL, | 
 |       0x5555555555555555ULL } },  // block size 64X64, TX_8X8 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_8X8 | 
 |   { { 0x0000000000550055ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_8X8 | 
 |   { { 0x0005000500050005ULL, 0x0005000500050005ULL, 0x0005000500050005ULL, | 
 |       0x0005000500050005ULL } },  // block size 16X64, TX_8X8 | 
 |   { { 0x5555555555555555ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_8X8 | 
 |   // TX_16X16 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X16, TX_16X16 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_16X16 | 
 |   { { 0x0011001100110011ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_16X16 | 
 |   { { 0x0011001100110011ULL, 0x0011001100110011ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_16X16 | 
 |   { { 0x0011001100110011ULL, 0x0011001100110011ULL, 0x0011001100110011ULL, | 
 |       0x0011001100110011ULL } },  // block size 32X64, TX_16X16 | 
 |   { { 0x1111111111111111ULL, 0x1111111111111111ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_16X16 | 
 |   { { 0x1111111111111111ULL, 0x1111111111111111ULL, 0x1111111111111111ULL, | 
 |       0x1111111111111111ULL } },  // block size 64X64, TX_16X16 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, | 
 |       0x0001000100010001ULL } },  // block size 16X64, TX_16X16 | 
 |   { { 0x1111111111111111ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_16X16 | 
 |   // TX_32X32 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_32X32 | 
 |   { { 0x0101010101010101ULL, 0x0101010101010101ULL, 0x0101010101010101ULL, | 
 |       0x0101010101010101ULL } },  // block size 32X64, TX_32X32 | 
 |   { { 0x0101010101010101ULL, 0x0101010101010101ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_32X32 | 
 |   { { 0x0101010101010101ULL, 0x0101010101010101ULL, 0x0101010101010101ULL, | 
 |       0x0101010101010101ULL } },  // block size 64X64, TX_32X32 | 
 |   // TX_64X64 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, | 
 |       0x0001000100010001ULL } },  // block size 64X64, TX_64X64 | 
 |   // 2:1, 1:2 transform sizes. | 
 |   { { 0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X8, TX_4X8 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X16, TX_4X8 | 
 |   { { 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X4, TX_8X4 | 
 |   { { 0x0000000000000005ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X4, TX_8X4 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X16, TX_8X16 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_8X16 | 
 |   { { 0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X8, TX_16X8 | 
 |   { { 0x0000000000110011ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_16X8 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_16X32 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, | 
 |       0x0001000100010001ULL } },  // block size 16X64, TX_16X32 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_32X16 | 
 |   { { 0x0101010101010101ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_32X16 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, | 
 |       0x0001000100010001ULL } },  // block size 32X64, TX_32X64 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_64X32 | 
 |   // 4:1, 1:4 transform sizes. | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X16, TX_4X16 | 
 |   { { 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X4, TX_16X4 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_8X32 | 
 |   { { 0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_32X8 | 
 |   { { 0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, | 
 |       0x0001000100010001ULL } },  // block size 16X64, TX_16X64 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_64X16 | 
 | }; | 
 |  | 
 | static const FilterMask above_mask_univariant_reordered[67] = { | 
 |   // TX_4X4 | 
 |   { { 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X4, TX_4X4 | 
 |   { { 0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X8, TX_4X4 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X4, TX_4X4 | 
 |   { { 0x0000000000030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X8, TX_4X4 | 
 |   { { 0x0003000300030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X16, TX_4X4 | 
 |   { { 0x00000000000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X8, TX_4X4 | 
 |   { { 0x000f000f000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X16, TX_4X4 | 
 |   { { 0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_4X4 | 
 |   { { 0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_4X4 | 
 |   { { 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_4X4 | 
 |   { { 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, | 
 |       0x00ff00ff00ff00ffULL } },  // block size 32X64, TX_4X4 | 
 |   { { 0xffffffffffffffffULL, 0xffffffffffffffffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_4X4 | 
 |   { { 0xffffffffffffffffULL, 0xffffffffffffffffULL, 0xffffffffffffffffULL, | 
 |       0xffffffffffffffffULL } },  // block size 64X64, TX_4x4 | 
 |   { { 0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X16, TX_4X4 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X4, TX_4X4 | 
 |   { { 0x0003000300030003ULL, 0x0003000300030003ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_4X4 | 
 |   { { 0x0000000000ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_4X4 | 
 |   { { 0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x000f000f000f000fULL, | 
 |       0x000f000f000f000fULL } },  // block size 16X64, TX_4X4 | 
 |   { { 0xffffffffffffffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_4X4 | 
 |   // TX_8X8 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X8, TX_8X8 | 
 |   { { 0x0000000300000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X16, TX_8X8 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X8, TX_8X8 | 
 |   { { 0x0000000f0000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X16, TX_8X8 | 
 |   { { 0x0000000f0000000fULL, 0x0000000f0000000fULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_8X8 | 
 |   { { 0x000000ff000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_8X8 | 
 |   { { 0x000000ff000000ffULL, 0x000000ff000000ffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_8X8 | 
 |   { { 0x000000ff000000ffULL, 0x000000ff000000ffULL, 0x000000ff000000ffULL, | 
 |       0x000000ff000000ffULL } },  // block size 32X64, TX_8X8 | 
 |   { { 0x0000ffff0000ffffULL, 0x0000ffff0000ffffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_8X8 | 
 |   { { 0x0000ffff0000ffffULL, 0x0000ffff0000ffffULL, 0x0000ffff0000ffffULL, | 
 |       0x0000ffff0000ffffULL } },  // block size 64X64, TX_8X8 | 
 |   { { 0x0000000300000003ULL, 0x0000000300000003ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_8X8 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_8X8 | 
 |   { { 0x0000000f0000000fULL, 0x0000000f0000000fULL, 0x0000000f0000000fULL, | 
 |       0x0000000f0000000fULL } },  // block size 16X64, TX_8X8 | 
 |   { { 0x0000ffff0000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_8X8 | 
 |   // TX_16X16 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X16, TX_16X16 | 
 |   { { 0x000000000000000fULL, 0x000000000000000fULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_16X16 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_16X16 | 
 |   { { 0x00000000000000ffULL, 0x00000000000000ffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_16X16 | 
 |   { { 0x00000000000000ffULL, 0x00000000000000ffULL, 0x00000000000000ffULL, | 
 |       0x00000000000000ffULL } },  // block size 32X64, TX_16X16 | 
 |   { { 0x000000000000ffffULL, 0x000000000000ffffULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_16X16 | 
 |   { { 0x000000000000ffffULL, 0x000000000000ffffULL, 0x000000000000ffffULL, | 
 |       0x000000000000ffffULL } },  // block size 64X64, TX_16X16 | 
 |   { { 0x000000000000000fULL, 0x000000000000000fULL, 0x000000000000000fULL, | 
 |       0x000000000000000fULL } },  // block size 16X64, TX_16X16 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_16X16 | 
 |   // TX_32X32 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X32, TX_32X32 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x00000000000000ffULL, | 
 |       0x0000000000000000ULL } },  // block size 32X64, TX_32X32 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_32X32 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x000000000000ffffULL, | 
 |       0x0000000000000000ULL } },  // block size 64X64, TX_32X32 | 
 |   // TX_64X64 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X64, TX_64X64 | 
 |   // 2:1, 1:2 transform sizes. | 
 |   { { 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X8, TX_4X8 | 
 |   { { 0x0000000100000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X16, TX_4X8 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X4, TX_8X4 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X4, TX_8X4 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X16, TX_8X16 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000003ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_8X16 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X8, TX_16X8 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_16X8 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X32, TX_16X32 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x000000000000000fULL, | 
 |       0x0000000000000000ULL } },  // block size 16X64, TX_16X32 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X16, TX_32X16 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_32X16 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X64, TX_32X64 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X32, TX_64X32 | 
 |   // 4:1, 1:4 transform sizes. | 
 |   { { 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 4X16, TX_4X16 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X4, TX_16X4 | 
 |   { { 0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 8X32, TX_8X32 | 
 |   { { 0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 32X8, TX_32X8 | 
 |   { { 0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 16X64, TX_16X64 | 
 |   { { 0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, | 
 |       0x0000000000000000ULL } },  // block size 64X16, TX_64X16 | 
 | }; | 
 |  | 
 | static LoopFilterMask *get_loop_filter_mask(const AV1_COMMON *const cm, | 
 |                                             int mi_row, int mi_col) { | 
 |   assert(cm->lf.lfm != NULL); | 
 |   const int row = mi_row >> MIN_MIB_SIZE_LOG2;  // 64x64 | 
 |   const int col = mi_col >> MIN_MIB_SIZE_LOG2; | 
 |   return &cm->lf.lfm[row * cm->lf.lfm_stride + col]; | 
 | } | 
 |  | 
 | typedef void (*LpfFunc)(uint8_t *s, int p, const uint8_t *blimit, | 
 |                         const uint8_t *limit, const uint8_t *thresh); | 
 |  | 
 | typedef void (*LpfDualFunc)(uint8_t *s, int p, const uint8_t *blimit0, | 
 |                             const uint8_t *limit0, const uint8_t *thresh0, | 
 |                             const uint8_t *blimit1, const uint8_t *limit1, | 
 |                             const uint8_t *thresh1); | 
 |  | 
 | typedef void (*HbdLpfFunc)(uint16_t *s, int p, const uint8_t *blimit, | 
 |                            const uint8_t *limit, const uint8_t *thresh, int bd); | 
 |  | 
 | typedef void (*HbdLpfDualFunc)(uint16_t *s, int p, const uint8_t *blimit0, | 
 |                                const uint8_t *limit0, const uint8_t *thresh0, | 
 |                                const uint8_t *blimit1, const uint8_t *limit1, | 
 |                                const uint8_t *thresh1, int bd); | 
 | // A 64x64 tx block requires 256 bits to represent each 4x4 tx block. | 
 | // Every 4 rows is represented by one uint64_t mask. Hence, | 
 | // there are 4 uint64_t bitmask[4] to represent the 64x64 block. | 
 | // | 
 | // Given a location by (mi_col, mi_row), This function returns the index | 
 | // 0, 1, 2, 3 to select which bitmask[] to use, and the shift value. | 
 | // | 
 | // For example, mi_row is the offset of pixels in mi size (4), | 
 | // (mi_row / 4) returns which uint64_t. | 
 | // After locating which uint64_t, mi_row % 4 is the | 
 | // row offset, and each row has 16 = 1 << stride_log2 4x4 units. | 
 | // Therefore, shift = (row << stride_log2) + mi_col; | 
 | int get_index_shift(int mi_col, int mi_row, int *index) { | 
 |   // *index = mi_row >> 2; | 
 |   // rows = mi_row % 4; | 
 |   // stride_log2 = 4; | 
 |   // shift = (rows << stride_log2) + mi_col; | 
 |   *index = mi_row >> 2; | 
 |   return ((mi_row & 3) << 4) | mi_col; | 
 | } | 
 |  | 
 | static void filter_selectively_vert_row2( | 
 |     int subsampling_factor, uint8_t *s, int pitch, int plane, | 
 |     uint64_t mask_16x16_0, uint64_t mask_8x8_0, uint64_t mask_4x4_0, | 
 |     uint64_t mask_16x16_1, uint64_t mask_8x8_1, uint64_t mask_4x4_1, | 
 |     const loop_filter_info_n *lfi_n, uint8_t *lfl, uint8_t *lfl2) { | 
 |   uint64_t mask; | 
 |   const int step = 1 << subsampling_factor; | 
 |  | 
 |   for (mask = mask_16x16_0 | mask_8x8_0 | mask_4x4_0 | mask_16x16_1 | | 
 |               mask_8x8_1 | mask_4x4_1; | 
 |        mask; mask >>= step) { | 
 |     const loop_filter_thresh *lfi0 = lfi_n->lfthr + *lfl; | 
 |     const loop_filter_thresh *lfi1 = lfi_n->lfthr + *lfl2; | 
 |  | 
 |     if (mask & 1) { | 
 |       if ((mask_16x16_0 | mask_16x16_1) & 1) { | 
 |         // chroma plane filters less pixels introduced in deblock_13tap | 
 |         // experiment | 
 |         LpfFunc lpf_vertical = plane ? aom_lpf_vertical_6 : aom_lpf_vertical_14; | 
 |  | 
 |         if ((mask_16x16_0 & mask_16x16_1) & 1) { | 
 |           if (plane) { | 
 |             aom_lpf_vertical_6_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                     lfi0->hev_thr, lfi1->mblim, lfi1->lim, | 
 |                                     lfi1->hev_thr); | 
 |           } else { | 
 |             aom_lpf_vertical_14_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                      lfi0->hev_thr, lfi1->mblim, lfi1->lim, | 
 |                                      lfi1->hev_thr); | 
 |           } | 
 |         } else if (mask_16x16_0 & 1) { | 
 |           lpf_vertical(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr); | 
 |         } else { | 
 |           lpf_vertical(s + 4 * pitch, pitch, lfi1->mblim, lfi1->lim, | 
 |                        lfi1->hev_thr); | 
 |         } | 
 |       } | 
 |  | 
 |       if ((mask_8x8_0 | mask_8x8_1) & 1) { | 
 |         // chroma plane filters less pixels introduced in deblock_13tap | 
 |         // experiment | 
 |         LpfFunc lpf_vertical = plane ? aom_lpf_vertical_6 : aom_lpf_vertical_8; | 
 |  | 
 |         if ((mask_8x8_0 & mask_8x8_1) & 1) { | 
 |           if (plane) { | 
 |             aom_lpf_vertical_6_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                     lfi0->hev_thr, lfi1->mblim, lfi1->lim, | 
 |                                     lfi1->hev_thr); | 
 |           } else { | 
 |             aom_lpf_vertical_8_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                     lfi0->hev_thr, lfi1->mblim, lfi1->lim, | 
 |                                     lfi1->hev_thr); | 
 |           } | 
 |         } else if (mask_8x8_0 & 1) { | 
 |           lpf_vertical(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr); | 
 |         } else { | 
 |           lpf_vertical(s + 4 * pitch, pitch, lfi1->mblim, lfi1->lim, | 
 |                        lfi1->hev_thr); | 
 |         } | 
 |       } | 
 |  | 
 |       if ((mask_4x4_0 | mask_4x4_1) & 1) { | 
 |         if ((mask_4x4_0 & mask_4x4_1) & 1) { | 
 |           aom_lpf_vertical_4_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                   lfi0->hev_thr, lfi1->mblim, lfi1->lim, | 
 |                                   lfi1->hev_thr); | 
 |         } else if (mask_4x4_0 & 1) { | 
 |           aom_lpf_vertical_4(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr); | 
 |         } else { | 
 |           aom_lpf_vertical_4(s + 4 * pitch, pitch, lfi1->mblim, lfi1->lim, | 
 |                              lfi1->hev_thr); | 
 |         } | 
 |       } | 
 |     } | 
 |  | 
 |     s += 4; | 
 |     lfl += step; | 
 |     lfl2 += step; | 
 |     mask_16x16_0 >>= step; | 
 |     mask_8x8_0 >>= step; | 
 |     mask_4x4_0 >>= step; | 
 |     mask_16x16_1 >>= step; | 
 |     mask_8x8_1 >>= step; | 
 |     mask_4x4_1 >>= step; | 
 |   } | 
 | } | 
 |  | 
 | #if CONFIG_AV1_HIGHBITDEPTH | 
 | static void highbd_filter_selectively_vert_row2( | 
 |     int subsampling_factor, uint16_t *s, int pitch, int plane, | 
 |     uint64_t mask_16x16_0, uint64_t mask_8x8_0, uint64_t mask_4x4_0, | 
 |     uint64_t mask_16x16_1, uint64_t mask_8x8_1, uint64_t mask_4x4_1, | 
 |     const loop_filter_info_n *lfi_n, uint8_t *lfl, uint8_t *lfl2, int bd) { | 
 |   uint64_t mask; | 
 |   const int step = 1 << subsampling_factor; | 
 |  | 
 |   for (mask = mask_16x16_0 | mask_8x8_0 | mask_4x4_0 | mask_16x16_1 | | 
 |               mask_8x8_1 | mask_4x4_1; | 
 |        mask; mask >>= step) { | 
 |     const loop_filter_thresh *lfi0 = lfi_n->lfthr + *lfl; | 
 |     const loop_filter_thresh *lfi1 = lfi_n->lfthr + *lfl2; | 
 |  | 
 |     if (mask & 1) { | 
 |       if ((mask_16x16_0 | mask_16x16_1) & 1) { | 
 |         // chroma plane filters less pixels introduced in deblock_13tap | 
 |         // experiment | 
 |         HbdLpfFunc highbd_lpf_vertical = | 
 |             plane ? aom_highbd_lpf_vertical_6 : aom_highbd_lpf_vertical_14; | 
 |  | 
 |         if ((mask_16x16_0 & mask_16x16_1) & 1) { | 
 |           if (plane) { | 
 |             aom_highbd_lpf_vertical_6_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                            lfi0->hev_thr, lfi1->mblim, | 
 |                                            lfi1->lim, lfi1->hev_thr, bd); | 
 |           } else { | 
 |             aom_highbd_lpf_vertical_14_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                             lfi0->hev_thr, lfi1->mblim, | 
 |                                             lfi1->lim, lfi1->hev_thr, bd); | 
 |           } | 
 |         } else if (mask_16x16_0 & 1) { | 
 |           highbd_lpf_vertical(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr, | 
 |                               bd); | 
 |         } else { | 
 |           highbd_lpf_vertical(s + 4 * pitch, pitch, lfi1->mblim, lfi1->lim, | 
 |                               lfi1->hev_thr, bd); | 
 |         } | 
 |       } | 
 |  | 
 |       if ((mask_8x8_0 | mask_8x8_1) & 1) { | 
 |         HbdLpfFunc highbd_lpf_vertical = | 
 |             plane ? aom_highbd_lpf_vertical_6 : aom_highbd_lpf_vertical_8; | 
 |  | 
 |         if ((mask_8x8_0 & mask_8x8_1) & 1) { | 
 |           if (plane) { | 
 |             aom_highbd_lpf_vertical_6_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                            lfi0->hev_thr, lfi1->mblim, | 
 |                                            lfi1->lim, lfi1->hev_thr, bd); | 
 |           } else { | 
 |             aom_highbd_lpf_vertical_8_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                            lfi0->hev_thr, lfi1->mblim, | 
 |                                            lfi1->lim, lfi1->hev_thr, bd); | 
 |           } | 
 |         } else if (mask_8x8_0 & 1) { | 
 |           highbd_lpf_vertical(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr, | 
 |                               bd); | 
 |         } else { | 
 |           highbd_lpf_vertical(s + 4 * pitch, pitch, lfi1->mblim, lfi1->lim, | 
 |                               lfi1->hev_thr, bd); | 
 |         } | 
 |       } | 
 |  | 
 |       if ((mask_4x4_0 | mask_4x4_1) & 1) { | 
 |         if ((mask_4x4_0 & mask_4x4_1) & 1) { | 
 |           aom_highbd_lpf_vertical_4_dual(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                          lfi0->hev_thr, lfi1->mblim, lfi1->lim, | 
 |                                          lfi1->hev_thr, bd); | 
 |         } else if (mask_4x4_0 & 1) { | 
 |           aom_highbd_lpf_vertical_4(s, pitch, lfi0->mblim, lfi0->lim, | 
 |                                     lfi0->hev_thr, bd); | 
 |         } else { | 
 |           aom_highbd_lpf_vertical_4(s + 4 * pitch, pitch, lfi1->mblim, | 
 |                                     lfi1->lim, lfi1->hev_thr, bd); | 
 |         } | 
 |       } | 
 |     } | 
 |  | 
 |     s += 4; | 
 |     lfl += step; | 
 |     lfl2 += step; | 
 |     mask_16x16_0 >>= step; | 
 |     mask_8x8_0 >>= step; | 
 |     mask_4x4_0 >>= step; | 
 |     mask_16x16_1 >>= step; | 
 |     mask_8x8_1 >>= step; | 
 |     mask_4x4_1 >>= step; | 
 |   } | 
 | } | 
 | #endif  // CONFIG_AV1_HIGHBITDEPTH | 
 |  | 
 | static void filter_selectively_horiz(uint8_t *s, int pitch, int plane, | 
 |                                      int subsampling, uint64_t mask_16x16, | 
 |                                      uint64_t mask_8x8, uint64_t mask_4x4, | 
 |                                      const loop_filter_info_n *lfi_n, | 
 |                                      const uint8_t *lfl) { | 
 |   uint64_t mask; | 
 |   int count; | 
 |   const int step = 1 << subsampling; | 
 |   const unsigned int two_block_mask = subsampling ? 5 : 3; | 
 |   int offset = 0; | 
 |  | 
 |   for (mask = mask_16x16 | mask_8x8 | mask_4x4; mask; mask >>= step * count) { | 
 |     const loop_filter_thresh *lfi = lfi_n->lfthr + *lfl; | 
 |     // Next block's thresholds, when it is within current 64x64 block. | 
 |     // If it is out of bound, its mask is zero, and it points to current edge's | 
 |     // filter parameters, instead of next edge's. | 
 |     int next_edge = step; | 
 |     if (offset + next_edge >= MI_SIZE_64X64) next_edge = 0; | 
 |     const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + next_edge); | 
 |  | 
 |     count = 1; | 
 |     if (mask & 1) { | 
 |       if (mask_16x16 & 1) { | 
 |         // chroma plane filters less pixels introduced in deblock_13tap | 
 |         // experiment | 
 |         LpfFunc lpf_horizontal = | 
 |             plane ? aom_lpf_horizontal_6 : aom_lpf_horizontal_14; | 
 |  | 
 |         if ((mask_16x16 & two_block_mask) == two_block_mask) { | 
 |           if (plane) { | 
 |             aom_lpf_horizontal_6_dual(s, pitch, lfi->mblim, lfi->lim, | 
 |                                       lfi->hev_thr, lfin->mblim, lfin->lim, | 
 |                                       lfin->hev_thr); | 
 |           } else { | 
 |             aom_lpf_horizontal_14_dual(s, pitch, lfi->mblim, lfi->lim, | 
 |                                        lfi->hev_thr, lfin->mblim, lfin->lim, | 
 |                                        lfin->hev_thr); | 
 |           } | 
 |           count = 2; | 
 |         } else { | 
 |           lpf_horizontal(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); | 
 |         } | 
 |       } else if (mask_8x8 & 1) { | 
 |         // chroma plane filters less pixels introduced in deblock_13tap | 
 |         // experiment | 
 |         LpfFunc lpf_horizontal = | 
 |             plane ? aom_lpf_horizontal_6 : aom_lpf_horizontal_8; | 
 |  | 
 |         if ((mask_8x8 & two_block_mask) == two_block_mask) { | 
 |           if (plane) { | 
 |             aom_lpf_horizontal_6_dual(s, pitch, lfi->mblim, lfi->lim, | 
 |                                       lfi->hev_thr, lfin->mblim, lfin->lim, | 
 |                                       lfin->hev_thr); | 
 |           } else { | 
 |             aom_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim, | 
 |                                       lfi->hev_thr, lfin->mblim, lfin->lim, | 
 |                                       lfin->hev_thr); | 
 |           } | 
 |           count = 2; | 
 |         } else { | 
 |           lpf_horizontal(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); | 
 |         } | 
 |       } else if (mask_4x4 & 1) { | 
 |         if ((mask_4x4 & two_block_mask) == two_block_mask) { | 
 |           aom_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim, | 
 |                                     lfi->hev_thr, lfin->mblim, lfin->lim, | 
 |                                     lfin->hev_thr); | 
 |           count = 2; | 
 |         } else { | 
 |           aom_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr); | 
 |         } | 
 |       } | 
 |     } | 
 |  | 
 |     s += 4 * count; | 
 |     lfl += step * count; | 
 |     mask_16x16 >>= step * count; | 
 |     mask_8x8 >>= step * count; | 
 |     mask_4x4 >>= step * count; | 
 |     offset += step * count; | 
 |   } | 
 | } | 
 |  | 
 | #if CONFIG_AV1_HIGHBITDEPTH | 
 | static void highbd_filter_selectively_horiz( | 
 |     uint16_t *s, int pitch, int plane, int subsampling, uint64_t mask_16x16, | 
 |     uint64_t mask_8x8, uint64_t mask_4x4, const loop_filter_info_n *lfi_n, | 
 |     uint8_t *lfl, int bd) { | 
 |   uint64_t mask; | 
 |   int count; | 
 |   const int step = 1 << subsampling; | 
 |   const unsigned int two_block_mask = subsampling ? 5 : 3; | 
 |   int offset = 0; | 
 |  | 
 |   for (mask = mask_16x16 | mask_8x8 | mask_4x4; mask; mask >>= step * count) { | 
 |     const loop_filter_thresh *lfi = lfi_n->lfthr + *lfl; | 
 |     // Next block's thresholds, when it is within current 64x64 block. | 
 |     // If it is out of bound, its mask is zero, and it points to current edge's | 
 |     // filter parameters, instead of next edge's. | 
 |     int next_edge = step; | 
 |     if (offset + next_edge >= MI_SIZE_64X64) next_edge = 0; | 
 |     const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + next_edge); | 
 |  | 
 |     count = 1; | 
 |     if (mask & 1) { | 
 |       if (mask_16x16 & 1) { | 
 |         HbdLpfFunc highbd_lpf_horizontal = | 
 |             plane ? aom_highbd_lpf_horizontal_6 : aom_highbd_lpf_horizontal_14; | 
 |  | 
 |         if ((mask_16x16 & two_block_mask) == two_block_mask) { | 
 |           if (plane) { | 
 |             aom_highbd_lpf_horizontal_6_dual_c(s, pitch, lfi->mblim, lfi->lim, | 
 |                                                lfi->hev_thr, lfin->mblim, | 
 |                                                lfin->lim, lfin->hev_thr, bd); | 
 |           } else { | 
 |             aom_highbd_lpf_horizontal_14_dual(s, pitch, lfi->mblim, lfi->lim, | 
 |                                               lfi->hev_thr, lfin->mblim, | 
 |                                               lfin->lim, lfin->hev_thr, bd); | 
 |           } | 
 |           count = 2; | 
 |         } else { | 
 |           highbd_lpf_horizontal(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr, | 
 |                                 bd); | 
 |         } | 
 |       } else if (mask_8x8 & 1) { | 
 |         HbdLpfFunc highbd_lpf_horizontal = | 
 |             plane ? aom_highbd_lpf_horizontal_6 : aom_highbd_lpf_horizontal_8; | 
 |  | 
 |         if ((mask_8x8 & two_block_mask) == two_block_mask) { | 
 |           if (plane) { | 
 |             aom_highbd_lpf_horizontal_6_dual_c(s, pitch, lfi->mblim, lfi->lim, | 
 |                                                lfi->hev_thr, lfin->mblim, | 
 |                                                lfin->lim, lfin->hev_thr, bd); | 
 |           } else { | 
 |             aom_highbd_lpf_horizontal_8_dual_c(s, pitch, lfi->mblim, lfi->lim, | 
 |                                                lfi->hev_thr, lfin->mblim, | 
 |                                                lfin->lim, lfin->hev_thr, bd); | 
 |           } | 
 |           count = 2; | 
 |         } else { | 
 |           highbd_lpf_horizontal(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr, | 
 |                                 bd); | 
 |         } | 
 |       } else if (mask_4x4 & 1) { | 
 |         if ((mask_4x4 & two_block_mask) == two_block_mask) { | 
 |           aom_highbd_lpf_horizontal_4_dual_c(s, pitch, lfi->mblim, lfi->lim, | 
 |                                              lfi->hev_thr, lfin->mblim, | 
 |                                              lfin->lim, lfin->hev_thr, bd); | 
 |           count = 2; | 
 |         } else { | 
 |           aom_highbd_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, | 
 |                                       lfi->hev_thr, bd); | 
 |         } | 
 |       } | 
 |     } | 
 |  | 
 |     s += 4 * count; | 
 |     lfl += step * count; | 
 |     mask_16x16 >>= step * count; | 
 |     mask_8x8 >>= step * count; | 
 |     mask_4x4 >>= step * count; | 
 |     offset += step * count; | 
 |   } | 
 | } | 
 | #endif  // CONFIG_AV1_HIGHBITDEPTH | 
 |  | 
 | void av1_build_bitmask_vert_info( | 
 |     AV1_COMMON *const cm, const struct macroblockd_plane *const plane_ptr, | 
 |     int plane) { | 
 |   const int subsampling_x = plane_ptr->subsampling_x; | 
 |   const int subsampling_y = plane_ptr->subsampling_y; | 
 |   const int is_uv = plane > 0; | 
 |   TX_SIZE tx_size = TX_16X16, prev_tx_size = TX_16X16; | 
 |   uint8_t level, prev_level = 1; | 
 |   uint64_t skip, prev_skip = 0; | 
 |   uint64_t is_coding_block_border; | 
 |  | 
 |   for (int r = 0; (r << MI_SIZE_LOG2) < plane_ptr->dst.height; r++) { | 
 |     const int mi_row = r << subsampling_y; | 
 |     const int row = mi_row % MI_SIZE_64X64; | 
 |     const int row_uv = row | subsampling_y; | 
 |     int index = 0; | 
 |     const int shift = get_index_shift(0, row, &index); | 
 |  | 
 |     for (int c = 0; (c << MI_SIZE_LOG2) < plane_ptr->dst.width; | 
 |          c += (tx_size_wide_unit[TX_64X64] >> subsampling_x)) { | 
 |       const int mi_col = c << subsampling_x; | 
 |       LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |  | 
 |       for (int col_in_unit = 0; | 
 |            col_in_unit < (tx_size_wide_unit[TX_64X64] >> subsampling_x);) { | 
 |         const int x = (c + col_in_unit) << MI_SIZE_LOG2; | 
 |         if (x >= plane_ptr->dst.width) break; | 
 |         const int col = col_in_unit << subsampling_x; | 
 |         const int col_uv = col | subsampling_x; | 
 |         const uint64_t mask = ((uint64_t)1 << (shift | col)); | 
 |         skip = lfm->skip.bits[index] & mask; | 
 |         is_coding_block_border = lfm->is_vert_border.bits[index] & mask; | 
 |         switch (plane) { | 
 |           case 0: level = lfm->lfl_y_ver[row_uv][col_uv]; break; | 
 |           case 1: level = lfm->lfl_u_ver[row_uv][col_uv]; break; | 
 |           case 2: level = lfm->lfl_v_ver[row_uv][col_uv]; break; | 
 |           default: assert(plane >= 0 && plane <= 2); return; | 
 |         } | 
 |         for (TX_SIZE ts = TX_4X4; ts <= TX_64X64; ++ts) { | 
 |           if (is_uv && ts == TX_64X64) continue; | 
 |           if (lfm->tx_size_ver[is_uv][ts].bits[index] & mask) { | 
 |             tx_size = ts; | 
 |             break; | 
 |           } | 
 |         } | 
 |         if ((c + col_in_unit > 0) && (level || prev_level) && | 
 |             (!prev_skip || !skip || is_coding_block_border)) { | 
 |           const TX_SIZE min_tx_size = | 
 |               AOMMIN(TX_16X16, AOMMIN(tx_size, prev_tx_size)); | 
 |           const int shift_1 = get_index_shift(col_uv, row_uv, &index); | 
 |           const uint64_t mask_1 = ((uint64_t)1 << shift_1); | 
 |           switch (plane) { | 
 |             case 0: lfm->left_y[min_tx_size].bits[index] |= mask_1; break; | 
 |             case 1: lfm->left_u[min_tx_size].bits[index] |= mask_1; break; | 
 |             case 2: lfm->left_v[min_tx_size].bits[index] |= mask_1; break; | 
 |             default: assert(plane >= 0 && plane <= 2); return; | 
 |           } | 
 |           if (level == 0 && prev_level != 0) { | 
 |             switch (plane) { | 
 |               case 0: lfm->lfl_y_ver[row_uv][col_uv] = prev_level; break; | 
 |               case 1: lfm->lfl_u_ver[row_uv][col_uv] = prev_level; break; | 
 |               case 2: lfm->lfl_v_ver[row_uv][col_uv] = prev_level; break; | 
 |               default: assert(plane >= 0 && plane <= 2); return; | 
 |             } | 
 |           } | 
 |         } | 
 |  | 
 |         // update prev info | 
 |         prev_level = level; | 
 |         prev_skip = skip; | 
 |         prev_tx_size = tx_size; | 
 |         // advance | 
 |         col_in_unit += tx_size_wide_unit[tx_size]; | 
 |       } | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | void av1_build_bitmask_horz_info( | 
 |     AV1_COMMON *const cm, const struct macroblockd_plane *const plane_ptr, | 
 |     int plane) { | 
 |   const int subsampling_x = plane_ptr->subsampling_x; | 
 |   const int subsampling_y = plane_ptr->subsampling_y; | 
 |   const int is_uv = plane > 0; | 
 |   TX_SIZE tx_size = TX_16X16, prev_tx_size = TX_16X16; | 
 |   uint8_t level, prev_level = 1; | 
 |   uint64_t skip, prev_skip = 0; | 
 |   uint64_t is_coding_block_border; | 
 |  | 
 |   for (int c = 0; (c << MI_SIZE_LOG2) < plane_ptr->dst.width; c++) { | 
 |     const int mi_col = c << subsampling_x; | 
 |     const int col = mi_col % MI_SIZE_64X64; | 
 |     const int col_uv = col | subsampling_x; | 
 |  | 
 |     for (int r = 0; (r << MI_SIZE_LOG2) < plane_ptr->dst.height; | 
 |          r += (tx_size_high_unit[TX_64X64] >> subsampling_y)) { | 
 |       const int mi_row = r << subsampling_y; | 
 |       LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |  | 
 |       for (int r_in_unit = 0; | 
 |            r_in_unit < (tx_size_high_unit[TX_64X64] >> subsampling_y);) { | 
 |         const int y = (r + r_in_unit) << MI_SIZE_LOG2; | 
 |         if (y >= plane_ptr->dst.height) break; | 
 |         const int row = r_in_unit << subsampling_y; | 
 |         const int row_uv = row | subsampling_y; | 
 |         int index = 0; | 
 |         const int shift = get_index_shift(col, row, &index); | 
 |         const uint64_t mask = ((uint64_t)1 << shift); | 
 |         skip = lfm->skip.bits[index] & mask; | 
 |         is_coding_block_border = lfm->is_horz_border.bits[index] & mask; | 
 |         switch (plane) { | 
 |           case 0: level = lfm->lfl_y_hor[row_uv][col_uv]; break; | 
 |           case 1: level = lfm->lfl_u_hor[row_uv][col_uv]; break; | 
 |           case 2: level = lfm->lfl_v_hor[row_uv][col_uv]; break; | 
 |           default: assert(plane >= 0 && plane <= 2); return; | 
 |         } | 
 |         for (TX_SIZE ts = TX_4X4; ts <= TX_64X64; ++ts) { | 
 |           if (is_uv && ts == TX_64X64) continue; | 
 |           if (lfm->tx_size_hor[is_uv][ts].bits[index] & mask) { | 
 |             tx_size = ts; | 
 |             break; | 
 |           } | 
 |         } | 
 |         if ((r + r_in_unit > 0) && (level || prev_level) && | 
 |             (!prev_skip || !skip || is_coding_block_border)) { | 
 |           const TX_SIZE min_tx_size = | 
 |               AOMMIN(TX_16X16, AOMMIN(tx_size, prev_tx_size)); | 
 |           const int shift_1 = get_index_shift(col_uv, row_uv, &index); | 
 |           const uint64_t mask_1 = ((uint64_t)1 << shift_1); | 
 |  | 
 |           switch (plane) { | 
 |             case 0: lfm->above_y[min_tx_size].bits[index] |= mask_1; break; | 
 |             case 1: lfm->above_u[min_tx_size].bits[index] |= mask_1; break; | 
 |             case 2: lfm->above_v[min_tx_size].bits[index] |= mask_1; break; | 
 |             default: assert(plane >= 0 && plane <= 2); return; | 
 |           } | 
 |           if (level == 0 && prev_level != 0) { | 
 |             switch (plane) { | 
 |               case 0: lfm->lfl_y_hor[row_uv][col_uv] = prev_level; break; | 
 |               case 1: lfm->lfl_u_hor[row_uv][col_uv] = prev_level; break; | 
 |               case 2: lfm->lfl_v_hor[row_uv][col_uv] = prev_level; break; | 
 |               default: assert(plane >= 0 && plane <= 2); return; | 
 |             } | 
 |           } | 
 |         } | 
 |  | 
 |         // update prev info | 
 |         prev_level = level; | 
 |         prev_skip = skip; | 
 |         prev_tx_size = tx_size; | 
 |         // advance | 
 |         r_in_unit += tx_size_high_unit[tx_size]; | 
 |       } | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | void av1_filter_block_plane_bitmask_vert( | 
 |     AV1_COMMON *const cm, struct macroblockd_plane *const plane_ptr, int pl, | 
 |     int mi_row, int mi_col) { | 
 |   struct buf_2d *const dst = &plane_ptr->dst; | 
 |   uint8_t *const buf0 = dst->buf; | 
 |   const int ssx = plane_ptr->subsampling_x; | 
 |   const int ssy = plane_ptr->subsampling_y; | 
 |   const int mask_cutoff = 0xffff; | 
 |   const int row_step = 1 << ssy; | 
 |   const int two_row_step = 2 << ssy; | 
 |   const int row_stride = dst->stride << MI_SIZE_LOG2; | 
 |   const int two_row_stride = row_stride << 1; | 
 |   uint64_t mask_16x16 = 0; | 
 |   uint64_t mask_8x8 = 0; | 
 |   uint64_t mask_4x4 = 0; | 
 |   uint8_t *lfl; | 
 |   uint8_t *lfl2; | 
 |   LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |   assert(lfm); | 
 |  | 
 |   // 1. vertical filtering. filter two rows at a time | 
 |   for (int r = 0; | 
 |        ((mi_row + r) << MI_SIZE_LOG2) < cm->height && r < MI_SIZE_64X64; | 
 |        r += two_row_step) { | 
 |     const int row = r | ssy; | 
 |     const int row_next = row + row_step; | 
 |     const int col = ssx; | 
 |     int index = 0; | 
 |     const int shift = get_index_shift(col, row, &index); | 
 |     int index_next = 0; | 
 |     const int shift_next = get_index_shift(col, row_next, &index_next); | 
 |     const int has_next_row = row_next < cm->mi_rows; | 
 |     switch (pl) { | 
 |       case 0: | 
 |         mask_16x16 = lfm->left_y[TX_16X16].bits[index]; | 
 |         mask_8x8 = lfm->left_y[TX_8X8].bits[index]; | 
 |         mask_4x4 = lfm->left_y[TX_4X4].bits[index]; | 
 |         lfl = &lfm->lfl_y_ver[row][col]; | 
 |         lfl2 = &lfm->lfl_y_ver[row_next][col]; | 
 |         break; | 
 |       case 1: | 
 |         mask_16x16 = lfm->left_u[TX_16X16].bits[index]; | 
 |         mask_8x8 = lfm->left_u[TX_8X8].bits[index]; | 
 |         mask_4x4 = lfm->left_u[TX_4X4].bits[index]; | 
 |         lfl = &lfm->lfl_u_ver[row][col]; | 
 |         lfl2 = &lfm->lfl_u_ver[row_next][col]; | 
 |         break; | 
 |       case 2: | 
 |         mask_16x16 = lfm->left_v[TX_16X16].bits[index]; | 
 |         mask_8x8 = lfm->left_v[TX_8X8].bits[index]; | 
 |         mask_4x4 = lfm->left_v[TX_4X4].bits[index]; | 
 |         lfl = &lfm->lfl_v_ver[row][col]; | 
 |         lfl2 = &lfm->lfl_v_ver[row_next][col]; | 
 |         break; | 
 |       default: assert(pl >= 0 && pl <= 2); return; | 
 |     } | 
 |     uint64_t mask_16x16_0 = (mask_16x16 >> shift) & mask_cutoff; | 
 |     uint64_t mask_8x8_0 = (mask_8x8 >> shift) & mask_cutoff; | 
 |     uint64_t mask_4x4_0 = (mask_4x4 >> shift) & mask_cutoff; | 
 |     uint64_t mask_16x16_1 = (mask_16x16 >> shift_next) & mask_cutoff; | 
 |     uint64_t mask_8x8_1 = (mask_8x8 >> shift_next) & mask_cutoff; | 
 |     uint64_t mask_4x4_1 = (mask_4x4 >> shift_next) & mask_cutoff; | 
 |     if (!has_next_row) { | 
 |       mask_16x16_1 = 0; | 
 |       mask_8x8_1 = 0; | 
 |       mask_4x4_1 = 0; | 
 |     } | 
 |  | 
 | #if CONFIG_AV1_HIGHBITDEPTH | 
 |     if (cm->seq_params.use_highbitdepth) | 
 |       highbd_filter_selectively_vert_row2( | 
 |           ssx, CONVERT_TO_SHORTPTR(dst->buf), dst->stride, pl, mask_16x16_0, | 
 |           mask_8x8_0, mask_4x4_0, mask_16x16_1, mask_8x8_1, mask_4x4_1, | 
 |           &cm->lf_info, lfl, lfl2, (int)cm->seq_params.bit_depth); | 
 |     else | 
 |       filter_selectively_vert_row2( | 
 |           ssx, dst->buf, dst->stride, pl, mask_16x16_0, mask_8x8_0, mask_4x4_0, | 
 |           mask_16x16_1, mask_8x8_1, mask_4x4_1, &cm->lf_info, lfl, lfl2); | 
 | #else | 
 |     filter_selectively_vert_row2( | 
 |         ssx, dst->buf, dst->stride, pl, mask_16x16_0, mask_8x8_0, mask_4x4_0, | 
 |         mask_16x16_1, mask_8x8_1, mask_4x4_1, &cm->lf_info, lfl, lfl2); | 
 | #endif | 
 |     dst->buf += two_row_stride; | 
 |   } | 
 |   // reset buf pointer for horizontal filtering | 
 |   dst->buf = buf0; | 
 | } | 
 |  | 
 | void av1_filter_block_plane_bitmask_horz( | 
 |     AV1_COMMON *const cm, struct macroblockd_plane *const plane_ptr, int pl, | 
 |     int mi_row, int mi_col) { | 
 |   struct buf_2d *const dst = &plane_ptr->dst; | 
 |   uint8_t *const buf0 = dst->buf; | 
 |   const int ssx = plane_ptr->subsampling_x; | 
 |   const int ssy = plane_ptr->subsampling_y; | 
 |   const int mask_cutoff = 0xffff; | 
 |   const int row_step = 1 << ssy; | 
 |   const int row_stride = dst->stride << MI_SIZE_LOG2; | 
 |   uint64_t mask_16x16 = 0; | 
 |   uint64_t mask_8x8 = 0; | 
 |   uint64_t mask_4x4 = 0; | 
 |   uint8_t *lfl; | 
 |   LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |   assert(lfm); | 
 |   for (int r = 0; | 
 |        ((mi_row + r) << MI_SIZE_LOG2) < cm->height && r < MI_SIZE_64X64; | 
 |        r += row_step) { | 
 |     if (mi_row + r == 0) { | 
 |       dst->buf += row_stride; | 
 |       continue; | 
 |     } | 
 |     const int row = r | ssy; | 
 |     const int col = ssx; | 
 |     int index = 0; | 
 |     const int shift = get_index_shift(col, row, &index); | 
 |     switch (pl) { | 
 |       case 0: | 
 |         mask_16x16 = lfm->above_y[TX_16X16].bits[index]; | 
 |         mask_8x8 = lfm->above_y[TX_8X8].bits[index]; | 
 |         mask_4x4 = lfm->above_y[TX_4X4].bits[index]; | 
 |         lfl = &lfm->lfl_y_hor[row][col]; | 
 |         break; | 
 |       case 1: | 
 |         mask_16x16 = lfm->above_u[TX_16X16].bits[index]; | 
 |         mask_8x8 = lfm->above_u[TX_8X8].bits[index]; | 
 |         mask_4x4 = lfm->above_u[TX_4X4].bits[index]; | 
 |         lfl = &lfm->lfl_u_hor[row][col]; | 
 |         break; | 
 |       case 2: | 
 |         mask_16x16 = lfm->above_v[TX_16X16].bits[index]; | 
 |         mask_8x8 = lfm->above_v[TX_8X8].bits[index]; | 
 |         mask_4x4 = lfm->above_v[TX_4X4].bits[index]; | 
 |         lfl = &lfm->lfl_v_hor[row][col]; | 
 |         break; | 
 |       default: assert(pl >= 0 && pl <= 2); return; | 
 |     } | 
 |     mask_16x16 = (mask_16x16 >> shift) & mask_cutoff; | 
 |     mask_8x8 = (mask_8x8 >> shift) & mask_cutoff; | 
 |     mask_4x4 = (mask_4x4 >> shift) & mask_cutoff; | 
 |  | 
 | #if CONFIG_AV1_HIGHBITDEPTH | 
 |     if (cm->seq_params.use_highbitdepth) | 
 |       highbd_filter_selectively_horiz( | 
 |           CONVERT_TO_SHORTPTR(dst->buf), dst->stride, pl, ssx, mask_16x16, | 
 |           mask_8x8, mask_4x4, &cm->lf_info, lfl, (int)cm->seq_params.bit_depth); | 
 |     else | 
 |       filter_selectively_horiz(dst->buf, dst->stride, pl, ssx, mask_16x16, | 
 |                                mask_8x8, mask_4x4, &cm->lf_info, lfl); | 
 | #else | 
 |     filter_selectively_horiz(dst->buf, dst->stride, pl, ssx, mask_16x16, | 
 |                              mask_8x8, mask_4x4, &cm->lf_info, lfl); | 
 | #endif | 
 |     dst->buf += row_stride; | 
 |   } | 
 |   // reset buf pointer for next block | 
 |   dst->buf = buf0; | 
 | } | 
 |  | 
 | void av1_filter_block_plane_ver(AV1_COMMON *const cm, | 
 |                                 struct macroblockd_plane *const plane_ptr, | 
 |                                 int pl, int mi_row, int mi_col) { | 
 |   struct buf_2d *const dst = &plane_ptr->dst; | 
 |   int r, c; | 
 |   const int ssx = plane_ptr->subsampling_x; | 
 |   const int ssy = plane_ptr->subsampling_y; | 
 |   const int mask_cutoff = 0xffff; | 
 |   const int single_step = 1 << ssy; | 
 |   const int r_step = 2 << ssy; | 
 |   uint64_t mask_16x16 = 0; | 
 |   uint64_t mask_8x8 = 0; | 
 |   uint64_t mask_4x4 = 0; | 
 |   uint8_t *lfl; | 
 |   uint8_t *lfl2; | 
 |  | 
 |   // filter two rows at a time | 
 |   for (r = 0; r < cm->seq_params.mib_size && | 
 |               ((mi_row + r) << MI_SIZE_LOG2 < cm->height); | 
 |        r += r_step) { | 
 |     for (c = 0; c < cm->seq_params.mib_size && | 
 |                 ((mi_col + c) << MI_SIZE_LOG2 < cm->width); | 
 |          c += MI_SIZE_64X64) { | 
 |       dst->buf += ((c << MI_SIZE_LOG2) >> ssx); | 
 |       LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row + r, mi_col + c); | 
 |       assert(lfm); | 
 |       const int row = ((mi_row + r) | ssy) % MI_SIZE_64X64; | 
 |       const int col = ((mi_col + c) | ssx) % MI_SIZE_64X64; | 
 |       int index = 0; | 
 |       const int shift = get_index_shift(col, row, &index); | 
 |       // current and next row should belong to the same mask_idx and index | 
 |       // next row's shift | 
 |       const int row_next = row + single_step; | 
 |       int index_next = 0; | 
 |       const int shift_next = get_index_shift(col, row_next, &index_next); | 
 |       switch (pl) { | 
 |         case 0: | 
 |           mask_16x16 = lfm->left_y[TX_16X16].bits[index]; | 
 |           mask_8x8 = lfm->left_y[TX_8X8].bits[index]; | 
 |           mask_4x4 = lfm->left_y[TX_4X4].bits[index]; | 
 |           lfl = &lfm->lfl_y_ver[row][col]; | 
 |           lfl2 = &lfm->lfl_y_ver[row_next][col]; | 
 |           break; | 
 |         case 1: | 
 |           mask_16x16 = lfm->left_u[TX_16X16].bits[index]; | 
 |           mask_8x8 = lfm->left_u[TX_8X8].bits[index]; | 
 |           mask_4x4 = lfm->left_u[TX_4X4].bits[index]; | 
 |           lfl = &lfm->lfl_u_ver[row][col]; | 
 |           lfl2 = &lfm->lfl_u_ver[row_next][col]; | 
 |           break; | 
 |         case 2: | 
 |           mask_16x16 = lfm->left_v[TX_16X16].bits[index]; | 
 |           mask_8x8 = lfm->left_v[TX_8X8].bits[index]; | 
 |           mask_4x4 = lfm->left_v[TX_4X4].bits[index]; | 
 |           lfl = &lfm->lfl_v_ver[row][col]; | 
 |           lfl2 = &lfm->lfl_v_ver[row_next][col]; | 
 |           break; | 
 |         default: assert(pl >= 0 && pl <= 2); return; | 
 |       } | 
 |       uint64_t mask_16x16_0 = (mask_16x16 >> shift) & mask_cutoff; | 
 |       uint64_t mask_8x8_0 = (mask_8x8 >> shift) & mask_cutoff; | 
 |       uint64_t mask_4x4_0 = (mask_4x4 >> shift) & mask_cutoff; | 
 |       uint64_t mask_16x16_1 = (mask_16x16 >> shift_next) & mask_cutoff; | 
 |       uint64_t mask_8x8_1 = (mask_8x8 >> shift_next) & mask_cutoff; | 
 |       uint64_t mask_4x4_1 = (mask_4x4 >> shift_next) & mask_cutoff; | 
 |  | 
 | #if CONFIG_AV1_HIGHBITDEPTH | 
 |       if (cm->seq_params.use_highbitdepth) | 
 |         highbd_filter_selectively_vert_row2( | 
 |             ssx, CONVERT_TO_SHORTPTR(dst->buf), dst->stride, pl, mask_16x16_0, | 
 |             mask_8x8_0, mask_4x4_0, mask_16x16_1, mask_8x8_1, mask_4x4_1, | 
 |             &cm->lf_info, lfl, lfl2, (int)cm->seq_params.bit_depth); | 
 |       else | 
 |         filter_selectively_vert_row2(ssx, dst->buf, dst->stride, pl, | 
 |                                      mask_16x16_0, mask_8x8_0, mask_4x4_0, | 
 |                                      mask_16x16_1, mask_8x8_1, mask_4x4_1, | 
 |                                      &cm->lf_info, lfl, lfl2); | 
 | #else | 
 |       filter_selectively_vert_row2( | 
 |           ssx, dst->buf, dst->stride, pl, mask_16x16_0, mask_8x8_0, mask_4x4_0, | 
 |           mask_16x16_1, mask_8x8_1, mask_4x4_1, &cm->lf_info, lfl, lfl2); | 
 | #endif | 
 |       dst->buf -= ((c << MI_SIZE_LOG2) >> ssx); | 
 |     } | 
 |     dst->buf += 2 * MI_SIZE * dst->stride; | 
 |   } | 
 | } | 
 |  | 
 | void av1_filter_block_plane_hor(AV1_COMMON *const cm, | 
 |                                 struct macroblockd_plane *const plane_ptr, | 
 |                                 int pl, int mi_row, int mi_col) { | 
 |   struct buf_2d *const dst = &plane_ptr->dst; | 
 |   int r, c; | 
 |   const int ssx = plane_ptr->subsampling_x; | 
 |   const int ssy = plane_ptr->subsampling_y; | 
 |   const int mask_cutoff = 0xffff; | 
 |   const int r_step = 1 << ssy; | 
 |   uint64_t mask_16x16 = 0; | 
 |   uint64_t mask_8x8 = 0; | 
 |   uint64_t mask_4x4 = 0; | 
 |   uint8_t *lfl; | 
 |  | 
 |   for (r = 0; r < cm->seq_params.mib_size && | 
 |               ((mi_row + r) << MI_SIZE_LOG2 < cm->height); | 
 |        r += r_step) { | 
 |     for (c = 0; c < cm->seq_params.mib_size && | 
 |                 ((mi_col + c) << MI_SIZE_LOG2 < cm->width); | 
 |          c += MI_SIZE_64X64) { | 
 |       if (mi_row + r == 0) continue; | 
 |  | 
 |       dst->buf += ((c << MI_SIZE_LOG2) >> ssx); | 
 |       LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row + r, mi_col + c); | 
 |       assert(lfm); | 
 |       const int row = ((mi_row + r) | ssy) % MI_SIZE_64X64; | 
 |       const int col = ((mi_col + c) | ssx) % MI_SIZE_64X64; | 
 |       int index = 0; | 
 |       const int shift = get_index_shift(col, row, &index); | 
 |       switch (pl) { | 
 |         case 0: | 
 |           mask_16x16 = lfm->above_y[TX_16X16].bits[index]; | 
 |           mask_8x8 = lfm->above_y[TX_8X8].bits[index]; | 
 |           mask_4x4 = lfm->above_y[TX_4X4].bits[index]; | 
 |           lfl = &lfm->lfl_y_hor[row][col]; | 
 |           break; | 
 |         case 1: | 
 |           mask_16x16 = lfm->above_u[TX_16X16].bits[index]; | 
 |           mask_8x8 = lfm->above_u[TX_8X8].bits[index]; | 
 |           mask_4x4 = lfm->above_u[TX_4X4].bits[index]; | 
 |           lfl = &lfm->lfl_u_hor[row][col]; | 
 |           break; | 
 |         case 2: | 
 |           mask_16x16 = lfm->above_v[TX_16X16].bits[index]; | 
 |           mask_8x8 = lfm->above_v[TX_8X8].bits[index]; | 
 |           mask_4x4 = lfm->above_v[TX_4X4].bits[index]; | 
 |           lfl = &lfm->lfl_v_hor[row][col]; | 
 |           break; | 
 |         default: assert(pl >= 0 && pl <= 2); return; | 
 |       } | 
 |       mask_16x16 = (mask_16x16 >> shift) & mask_cutoff; | 
 |       mask_8x8 = (mask_8x8 >> shift) & mask_cutoff; | 
 |       mask_4x4 = (mask_4x4 >> shift) & mask_cutoff; | 
 |  | 
 | #if CONFIG_AV1_HIGHBITDEPTH | 
 |       if (cm->seq_params.use_highbitdepth) | 
 |         highbd_filter_selectively_horiz(CONVERT_TO_SHORTPTR(dst->buf), | 
 |                                         dst->stride, pl, ssx, mask_16x16, | 
 |                                         mask_8x8, mask_4x4, &cm->lf_info, lfl, | 
 |                                         (int)cm->seq_params.bit_depth); | 
 |       else | 
 |         filter_selectively_horiz(dst->buf, dst->stride, pl, ssx, mask_16x16, | 
 |                                  mask_8x8, mask_4x4, &cm->lf_info, lfl); | 
 | #else | 
 |       filter_selectively_horiz(dst->buf, dst->stride, pl, ssx, mask_16x16, | 
 |                                mask_8x8, mask_4x4, &cm->lf_info, lfl); | 
 | #endif | 
 |       dst->buf -= ((c << MI_SIZE_LOG2) >> ssx); | 
 |     } | 
 |     dst->buf += MI_SIZE * dst->stride; | 
 |   } | 
 | } | 
 |  | 
 | void av1_store_bitmask_vartx(AV1_COMMON *cm, int mi_row, int mi_col, | 
 |                              BLOCK_SIZE bsize, TX_SIZE tx_size, | 
 |                              MB_MODE_INFO *mbmi) { | 
 |   LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |   const TX_SIZE tx_size_y_vert = txsize_vert_map[tx_size]; | 
 |   const TX_SIZE tx_size_y_horz = txsize_horz_map[tx_size]; | 
 |   const TX_SIZE tx_size_uv_vert = txsize_vert_map[av1_get_max_uv_txsize( | 
 |       mbmi->sb_type, cm->seq_params.subsampling_x, | 
 |       cm->seq_params.subsampling_y)]; | 
 |   const TX_SIZE tx_size_uv_horz = txsize_horz_map[av1_get_max_uv_txsize( | 
 |       mbmi->sb_type, cm->seq_params.subsampling_x, | 
 |       cm->seq_params.subsampling_y)]; | 
 |   const int is_square_transform_size = tx_size <= TX_64X64; | 
 |   int mask_id = 0; | 
 |   int offset = 0; | 
 |   const int half_ratio_tx_size_max32 = | 
 |       (tx_size > TX_64X64) & (tx_size <= TX_32X16); | 
 |   if (is_square_transform_size) { | 
 |     switch (tx_size) { | 
 |       case TX_4X4: mask_id = mask_id_table_tx_4x4[bsize]; break; | 
 |       case TX_8X8: | 
 |         mask_id = mask_id_table_tx_8x8[bsize]; | 
 |         offset = 19; | 
 |         break; | 
 |       case TX_16X16: | 
 |         mask_id = mask_id_table_tx_16x16[bsize]; | 
 |         offset = 33; | 
 |         break; | 
 |       case TX_32X32: | 
 |         mask_id = mask_id_table_tx_32x32[bsize]; | 
 |         offset = 42; | 
 |         break; | 
 |       case TX_64X64: mask_id = 46; break; | 
 |       default: assert(!is_square_transform_size); return; | 
 |     } | 
 |     mask_id += offset; | 
 |   } else if (half_ratio_tx_size_max32) { | 
 |     int tx_size_equal_block_size = bsize == txsize_to_bsize[tx_size]; | 
 |     mask_id = 47 + 2 * (tx_size - TX_4X8) + (tx_size_equal_block_size ? 0 : 1); | 
 |   } else if (tx_size == TX_32X64) { | 
 |     mask_id = 59; | 
 |   } else if (tx_size == TX_64X32) { | 
 |     mask_id = 60; | 
 |   } else {  // quarter ratio tx size | 
 |     mask_id = 61 + (tx_size - TX_4X16); | 
 |   } | 
 |   int index = 0; | 
 |   const int row = mi_row % MI_SIZE_64X64; | 
 |   const int col = mi_col % MI_SIZE_64X64; | 
 |   const int shift = get_index_shift(col, row, &index); | 
 |   const int vert_shift = tx_size_y_vert <= TX_8X8 ? shift : col; | 
 |   for (int i = 0; i + index < 4; ++i) { | 
 |     // y vertical. | 
 |     lfm->tx_size_ver[0][tx_size_y_horz].bits[i + index] |= | 
 |         (left_mask_univariant_reordered[mask_id].bits[i] << vert_shift); | 
 |     // y horizontal. | 
 |     lfm->tx_size_hor[0][tx_size_y_vert].bits[i + index] |= | 
 |         (above_mask_univariant_reordered[mask_id].bits[i] << shift); | 
 |     // u/v vertical. | 
 |     lfm->tx_size_ver[1][tx_size_uv_horz].bits[i + index] |= | 
 |         (left_mask_univariant_reordered[mask_id].bits[i] << vert_shift); | 
 |     // u/v horizontal. | 
 |     lfm->tx_size_hor[1][tx_size_uv_vert].bits[i + index] |= | 
 |         (above_mask_univariant_reordered[mask_id].bits[i] << shift); | 
 |   } | 
 | } | 
 |  | 
 | void av1_store_bitmask_univariant_tx(AV1_COMMON *cm, int mi_row, int mi_col, | 
 |                                      BLOCK_SIZE bsize, MB_MODE_INFO *mbmi) { | 
 |   // Use a lookup table that provides one bitmask for a given block size and | 
 |   // a univariant transform size. | 
 |   int index; | 
 |   int shift; | 
 |   int row; | 
 |   int col; | 
 |   LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |   const TX_SIZE tx_size_y_vert = txsize_vert_map[mbmi->tx_size]; | 
 |   const TX_SIZE tx_size_y_horz = txsize_horz_map[mbmi->tx_size]; | 
 |   const TX_SIZE tx_size_uv_vert = txsize_vert_map[av1_get_max_uv_txsize( | 
 |       mbmi->sb_type, cm->seq_params.subsampling_x, | 
 |       cm->seq_params.subsampling_y)]; | 
 |   const TX_SIZE tx_size_uv_horz = txsize_horz_map[av1_get_max_uv_txsize( | 
 |       mbmi->sb_type, cm->seq_params.subsampling_x, | 
 |       cm->seq_params.subsampling_y)]; | 
 |   const int is_square_transform_size = mbmi->tx_size <= TX_64X64; | 
 |   int mask_id = 0; | 
 |   int offset = 0; | 
 |   const int half_ratio_tx_size_max32 = | 
 |       (mbmi->tx_size > TX_64X64) & (mbmi->tx_size <= TX_32X16); | 
 |   if (is_square_transform_size) { | 
 |     switch (mbmi->tx_size) { | 
 |       case TX_4X4: mask_id = mask_id_table_tx_4x4[bsize]; break; | 
 |       case TX_8X8: | 
 |         mask_id = mask_id_table_tx_8x8[bsize]; | 
 |         offset = 19; | 
 |         break; | 
 |       case TX_16X16: | 
 |         mask_id = mask_id_table_tx_16x16[bsize]; | 
 |         offset = 33; | 
 |         break; | 
 |       case TX_32X32: | 
 |         mask_id = mask_id_table_tx_32x32[bsize]; | 
 |         offset = 42; | 
 |         break; | 
 |       case TX_64X64: mask_id = 46; break; | 
 |       default: assert(!is_square_transform_size); return; | 
 |     } | 
 |     mask_id += offset; | 
 |   } else if (half_ratio_tx_size_max32) { | 
 |     int tx_size_equal_block_size = bsize == txsize_to_bsize[mbmi->tx_size]; | 
 |     mask_id = | 
 |         47 + 2 * (mbmi->tx_size - TX_4X8) + (tx_size_equal_block_size ? 0 : 1); | 
 |   } else if (mbmi->tx_size == TX_32X64) { | 
 |     mask_id = 59; | 
 |   } else if (mbmi->tx_size == TX_64X32) { | 
 |     mask_id = 60; | 
 |   } else {  // quarter ratio tx size | 
 |     mask_id = 61 + (mbmi->tx_size - TX_4X16); | 
 |   } | 
 |   row = mi_row % MI_SIZE_64X64; | 
 |   col = mi_col % MI_SIZE_64X64; | 
 |   shift = get_index_shift(col, row, &index); | 
 |   const int vert_shift = tx_size_y_vert <= TX_8X8 ? shift : col; | 
 |   for (int i = 0; i + index < 4; ++i) { | 
 |     // y vertical. | 
 |     lfm->tx_size_ver[0][tx_size_y_horz].bits[i + index] |= | 
 |         (left_mask_univariant_reordered[mask_id].bits[i] << vert_shift); | 
 |     // y horizontal. | 
 |     lfm->tx_size_hor[0][tx_size_y_vert].bits[i + index] |= | 
 |         (above_mask_univariant_reordered[mask_id].bits[i] << shift); | 
 |     // u/v vertical. | 
 |     lfm->tx_size_ver[1][tx_size_uv_horz].bits[i + index] |= | 
 |         (left_mask_univariant_reordered[mask_id].bits[i] << vert_shift); | 
 |     // u/v horizontal. | 
 |     lfm->tx_size_hor[1][tx_size_uv_vert].bits[i + index] |= | 
 |         (above_mask_univariant_reordered[mask_id].bits[i] << shift); | 
 |   } | 
 | } | 
 |  | 
 | void av1_store_bitmask_other_info(AV1_COMMON *cm, int mi_row, int mi_col, | 
 |                                   BLOCK_SIZE bsize, MB_MODE_INFO *mbmi, | 
 |                                   int is_horz_coding_block_border, | 
 |                                   int is_vert_coding_block_border) { | 
 |   int index; | 
 |   int shift; | 
 |   int row; | 
 |   LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col); | 
 |   const int row_start = mi_row % MI_SIZE_64X64; | 
 |   const int col_start = mi_col % MI_SIZE_64X64; | 
 |   shift = get_index_shift(col_start, row_start, &index); | 
 |   if (is_horz_coding_block_border) { | 
 |     const int block_shift = shift + mi_size_wide[bsize]; | 
 |     assert(block_shift <= 64); | 
 |     const uint64_t right_edge_shift = | 
 |         (block_shift == 64) ? 0xffffffffffffffff : ((uint64_t)1 << block_shift); | 
 |     const uint64_t left_edge_shift = (block_shift == 64) | 
 |                                          ? (((uint64_t)1 << shift) - 1) | 
 |                                          : ((uint64_t)1 << shift); | 
 |     assert(right_edge_shift > left_edge_shift); | 
 |     const uint64_t top_edge_mask = right_edge_shift - left_edge_shift; | 
 |     lfm->is_horz_border.bits[index] |= top_edge_mask; | 
 |   } | 
 |   if (is_vert_coding_block_border) { | 
 |     const int is_vert_border = mask_id_table_vert_border[bsize]; | 
 |     const int vert_shift = block_size_high[bsize] <= 8 ? shift : col_start; | 
 |     for (int i = 0; i + index < 4; ++i) { | 
 |       lfm->is_vert_border.bits[i + index] |= | 
 |           (left_mask_univariant_reordered[is_vert_border].bits[i] | 
 |            << vert_shift); | 
 |     } | 
 |   } | 
 |   const int is_skip = mbmi->skip && is_inter_block(mbmi); | 
 |   if (is_skip) { | 
 |     const int is_skip_mask = mask_id_table_tx_4x4[bsize]; | 
 |     for (int i = 0; i + index < 4; ++i) { | 
 |       lfm->skip.bits[i + index] |= | 
 |           (above_mask_univariant_reordered[is_skip_mask].bits[i] << shift); | 
 |     } | 
 |   } | 
 |   const uint8_t level_vert_y = | 
 |       av1_get_filter_level(cm, &cm->lf_info, 0, 0, mbmi); | 
 |   const uint8_t level_horz_y = | 
 |       av1_get_filter_level(cm, &cm->lf_info, 1, 0, mbmi); | 
 |   const uint8_t level_u = av1_get_filter_level(cm, &cm->lf_info, 0, 1, mbmi); | 
 |   const uint8_t level_v = av1_get_filter_level(cm, &cm->lf_info, 0, 2, mbmi); | 
 |   for (int r = mi_row; r < mi_row + mi_size_high[bsize]; r++) { | 
 |     index = 0; | 
 |     row = r % MI_SIZE_64X64; | 
 |     memset(&lfm->lfl_y_ver[row][col_start], level_vert_y, | 
 |            sizeof(uint8_t) * mi_size_wide[bsize]); | 
 |     memset(&lfm->lfl_y_hor[row][col_start], level_horz_y, | 
 |            sizeof(uint8_t) * mi_size_wide[bsize]); | 
 |     memset(&lfm->lfl_u_ver[row][col_start], level_u, | 
 |            sizeof(uint8_t) * mi_size_wide[bsize]); | 
 |     memset(&lfm->lfl_u_hor[row][col_start], level_u, | 
 |            sizeof(uint8_t) * mi_size_wide[bsize]); | 
 |     memset(&lfm->lfl_v_ver[row][col_start], level_v, | 
 |            sizeof(uint8_t) * mi_size_wide[bsize]); | 
 |     memset(&lfm->lfl_v_hor[row][col_start], level_v, | 
 |            sizeof(uint8_t) * mi_size_wide[bsize]); | 
 |   } | 
 | } | 
 | #endif  // CONFIG_LPF_MASK |