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authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
commit5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch)
tree45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/av1/common/av1_loopfilter.c
parent50f1986697a7412e4160976fa5e11217b4ef1f44 (diff)
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/av1/common/av1_loopfilter.c')
-rw-r--r--third_party/aom/av1/common/av1_loopfilter.c2377
1 files changed, 0 insertions, 2377 deletions
diff --git a/third_party/aom/av1/common/av1_loopfilter.c b/third_party/aom/av1/common/av1_loopfilter.c
deleted file mode 100644
index 537d8dfe9..000000000
--- a/third_party/aom/av1/common/av1_loopfilter.c
+++ /dev/null
@@ -1,2377 +0,0 @@
-/*
- * Copyright (c) 2016, 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"
-
-static const SEG_LVL_FEATURES seg_lvl_lf_lut[MAX_MB_PLANE][2] = {
- { SEG_LVL_ALT_LF_Y_V, SEG_LVL_ALT_LF_Y_H },
- { SEG_LVL_ALT_LF_U, SEG_LVL_ALT_LF_U },
- { SEG_LVL_ALT_LF_V, SEG_LVL_ALT_LF_V }
-};
-
-static const int delta_lf_id_lut[MAX_MB_PLANE][2] = {
- { 0, 1 }, { 2, 2 }, { 3, 3 }
-};
-
-typedef enum EDGE_DIR { VERT_EDGE = 0, HORZ_EDGE = 1, NUM_EDGE_DIRS } EDGE_DIR;
-
-static const int mode_lf_lut[] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // INTRA_MODES
- 1, 1, 0, 1, // INTER_MODES (GLOBALMV == 0)
- 1, 1, 1, 1, 1, 1, 0, 1 // INTER_COMPOUND_MODES (GLOBAL_GLOBALMV == 0)
-};
-
-#if LOOP_FILTER_BITMASK
-// 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.
-
-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
-};
-
-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
-};
-
-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
-};
-
-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 };
-
-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
-};
-
-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
-};
-
-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);
-#endif // LOOP_FILTER_BITMASK
-
-static void update_sharpness(loop_filter_info_n *lfi, int sharpness_lvl) {
- int lvl;
-
- // For each possible value for the loop filter fill out limits
- for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) {
- // Set loop filter parameters that control sharpness.
- int block_inside_limit = lvl >> ((sharpness_lvl > 0) + (sharpness_lvl > 4));
-
- if (sharpness_lvl > 0) {
- if (block_inside_limit > (9 - sharpness_lvl))
- block_inside_limit = (9 - sharpness_lvl);
- }
-
- if (block_inside_limit < 1) block_inside_limit = 1;
-
- memset(lfi->lfthr[lvl].lim, block_inside_limit, SIMD_WIDTH);
- memset(lfi->lfthr[lvl].mblim, (2 * (lvl + 2) + block_inside_limit),
- SIMD_WIDTH);
- }
-}
-
-uint8_t get_filter_level(const AV1_COMMON *cm, const loop_filter_info_n *lfi_n,
- const int dir_idx, int plane,
- const MB_MODE_INFO *mbmi) {
- const int segment_id = mbmi->segment_id;
- if (cm->delta_lf_present_flag) {
- int delta_lf;
- if (cm->delta_lf_multi) {
- const int delta_lf_idx = delta_lf_id_lut[plane][dir_idx];
- delta_lf = mbmi->delta_lf[delta_lf_idx];
- } else {
- delta_lf = mbmi->delta_lf_from_base;
- }
- int base_level;
- if (plane == 0)
- base_level = cm->lf.filter_level[dir_idx];
- else if (plane == 1)
- base_level = cm->lf.filter_level_u;
- else
- base_level = cm->lf.filter_level_v;
- int lvl_seg = clamp(delta_lf + base_level, 0, MAX_LOOP_FILTER);
- assert(plane >= 0 && plane <= 2);
- const int seg_lf_feature_id = seg_lvl_lf_lut[plane][dir_idx];
- if (segfeature_active(&cm->seg, segment_id, seg_lf_feature_id)) {
- const int data = get_segdata(&cm->seg, segment_id, seg_lf_feature_id);
- lvl_seg = clamp(lvl_seg + data, 0, MAX_LOOP_FILTER);
- }
-
- if (cm->lf.mode_ref_delta_enabled) {
- const int scale = 1 << (lvl_seg >> 5);
- lvl_seg += cm->lf.ref_deltas[mbmi->ref_frame[0]] * scale;
- if (mbmi->ref_frame[0] > INTRA_FRAME)
- lvl_seg += cm->lf.mode_deltas[mode_lf_lut[mbmi->mode]] * scale;
- lvl_seg = clamp(lvl_seg, 0, MAX_LOOP_FILTER);
- }
- return lvl_seg;
- } else {
- return lfi_n->lvl[plane][segment_id][dir_idx][mbmi->ref_frame[0]]
- [mode_lf_lut[mbmi->mode]];
- }
-}
-
-void av1_loop_filter_init(AV1_COMMON *cm) {
- assert(MB_MODE_COUNT == NELEMENTS(mode_lf_lut));
- loop_filter_info_n *lfi = &cm->lf_info;
- struct loopfilter *lf = &cm->lf;
- int lvl;
-
- lf->combine_vert_horz_lf = 1;
-
- // init limits for given sharpness
- update_sharpness(lfi, lf->sharpness_level);
-
- // init hev threshold const vectors
- for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++)
- memset(lfi->lfthr[lvl].hev_thr, (lvl >> 4), SIMD_WIDTH);
-}
-
-// Update the loop filter for the current frame.
-// This should be called before loop_filter_rows(),
-// av1_loop_filter_frame() calls this function directly.
-void av1_loop_filter_frame_init(AV1_COMMON *cm, int plane_start,
- int plane_end) {
- int filt_lvl[MAX_MB_PLANE], filt_lvl_r[MAX_MB_PLANE];
- int plane;
- int seg_id;
- // n_shift is the multiplier for lf_deltas
- // the multiplier is 1 for when filter_lvl is between 0 and 31;
- // 2 when filter_lvl is between 32 and 63
- loop_filter_info_n *const lfi = &cm->lf_info;
- struct loopfilter *const lf = &cm->lf;
- const struct segmentation *const seg = &cm->seg;
-
- // update sharpness limits
- update_sharpness(lfi, lf->sharpness_level);
-
- filt_lvl[0] = cm->lf.filter_level[0];
- filt_lvl[1] = cm->lf.filter_level_u;
- filt_lvl[2] = cm->lf.filter_level_v;
-
- filt_lvl_r[0] = cm->lf.filter_level[1];
- filt_lvl_r[1] = cm->lf.filter_level_u;
- filt_lvl_r[2] = cm->lf.filter_level_v;
-
- for (plane = plane_start; plane < plane_end; plane++) {
- if (plane == 0 && !filt_lvl[0] && !filt_lvl_r[0])
- break;
- else if (plane == 1 && !filt_lvl[1])
- continue;
- else if (plane == 2 && !filt_lvl[2])
- continue;
-
- for (seg_id = 0; seg_id < MAX_SEGMENTS; seg_id++) {
- for (int dir = 0; dir < 2; ++dir) {
- int lvl_seg = (dir == 0) ? filt_lvl[plane] : filt_lvl_r[plane];
- assert(plane >= 0 && plane <= 2);
- const int seg_lf_feature_id = seg_lvl_lf_lut[plane][dir];
- if (segfeature_active(seg, seg_id, seg_lf_feature_id)) {
- const int data = get_segdata(&cm->seg, seg_id, seg_lf_feature_id);
- lvl_seg = clamp(lvl_seg + data, 0, MAX_LOOP_FILTER);
- }
-
- if (!lf->mode_ref_delta_enabled) {
- // we could get rid of this if we assume that deltas are set to
- // zero when not in use; encoder always uses deltas
- memset(lfi->lvl[plane][seg_id][dir], lvl_seg,
- sizeof(lfi->lvl[plane][seg_id][dir]));
- } else {
- int ref, mode;
- const int scale = 1 << (lvl_seg >> 5);
- const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale;
- lfi->lvl[plane][seg_id][dir][INTRA_FRAME][0] =
- clamp(intra_lvl, 0, MAX_LOOP_FILTER);
-
- for (ref = LAST_FRAME; ref < REF_FRAMES; ++ref) {
- for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
- const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale +
- lf->mode_deltas[mode] * scale;
- lfi->lvl[plane][seg_id][dir][ref][mode] =
- clamp(inter_lvl, 0, MAX_LOOP_FILTER);
- }
- }
- }
- }
- }
- }
-}
-
-#if LOOP_FILTER_BITMASK
-// 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 check_mask(const FilterMask *lfm) {
-#ifndef NDEBUG
- for (int i = 0; i < 4; ++i) {
- assert(!(lfm[TX_4X4].bits[i] & lfm[TX_8X8].bits[i]));
- assert(!(lfm[TX_4X4].bits[i] & lfm[TX_16X16].bits[i]));
- assert(!(lfm[TX_4X4].bits[i] & lfm[TX_32X32].bits[i]));
- assert(!(lfm[TX_4X4].bits[i] & lfm[TX_64X64].bits[i]));
- assert(!(lfm[TX_8X8].bits[i] & lfm[TX_16X16].bits[i]));
- assert(!(lfm[TX_8X8].bits[i] & lfm[TX_32X32].bits[i]));
- assert(!(lfm[TX_8X8].bits[i] & lfm[TX_64X64].bits[i]));
- assert(!(lfm[TX_16X16].bits[i] & lfm[TX_32X32].bits[i]));
- assert(!(lfm[TX_16X16].bits[i] & lfm[TX_64X64].bits[i]));
- assert(!(lfm[TX_32X32].bits[i] & lfm[TX_64X64].bits[i]));
- }
-#else
- (void)lfm;
-#endif
-}
-
-static void check_loop_filter_masks(const LoopFilterMask *lfm, int plane) {
- if (plane == 0) {
- // Assert if we try to apply 2 different loop filters at the same
- // position.
- check_mask(lfm->left_y);
- check_mask(lfm->above_y);
- } else if (plane == 1) {
- check_mask(lfm->left_u);
- check_mask(lfm->above_u);
- } else {
- check_mask(lfm->left_v);
- check_mask(lfm->above_v);
- }
-}
-
-static void update_masks(EDGE_DIR dir, int plane, uint64_t *mask,
- TX_SIZE sqr_tx_size, LoopFilterMask *lfm) {
- if (dir == VERT_EDGE) {
- switch (plane) {
- case 0:
- for (int i = 0; i < 4; ++i) lfm->left_y[sqr_tx_size].bits[i] |= mask[i];
- break;
- case 1:
- for (int i = 0; i < 4; ++i) lfm->left_u[sqr_tx_size].bits[i] |= mask[i];
- break;
- case 2:
- for (int i = 0; i < 4; ++i) lfm->left_v[sqr_tx_size].bits[i] |= mask[i];
- break;
- default: assert(plane <= 2);
- }
- } else {
- switch (plane) {
- case 0:
- for (int i = 0; i < 4; ++i)
- lfm->above_y[sqr_tx_size].bits[i] |= mask[i];
- break;
- case 1:
- for (int i = 0; i < 4; ++i)
- lfm->above_u[sqr_tx_size].bits[i] |= mask[i];
- break;
- case 2:
- for (int i = 0; i < 4; ++i)
- lfm->above_v[sqr_tx_size].bits[i] |= mask[i];
- break;
- default: assert(plane <= 2);
- }
- }
-}
-
-static int is_frame_boundary(AV1_COMMON *const cm, int plane, int mi_row,
- int mi_col, int ssx, int ssy, EDGE_DIR dir) {
- if (plane && (ssx || ssy)) {
- if (ssx && ssy) { // format 420
- if ((mi_row << MI_SIZE_LOG2) > cm->height ||
- (mi_col << MI_SIZE_LOG2) > cm->width)
- return 1;
- } else if (ssx) { // format 422
- if ((mi_row << MI_SIZE_LOG2) >= cm->height ||
- (mi_col << MI_SIZE_LOG2) > cm->width)
- return 1;
- }
- } else {
- if ((mi_row << MI_SIZE_LOG2) >= cm->height ||
- (mi_col << MI_SIZE_LOG2) >= cm->width)
- return 1;
- }
-
- int row_or_col;
- if (plane == 0) {
- row_or_col = dir == VERT_EDGE ? mi_col : mi_row;
- } else {
- // chroma sub8x8 block uses bottom/right mi of co-located 8x8 luma block.
- // So if mi_col == 1, it is actually the frame boundary.
- if (dir == VERT_EDGE) {
- row_or_col = ssx ? (mi_col & 0x0FFFFFFE) : mi_col;
- } else {
- row_or_col = ssy ? (mi_row & 0x0FFFFFFE) : mi_row;
- }
- }
- return row_or_col == 0;
-}
-
-static void setup_masks(AV1_COMMON *const cm, int mi_row, int mi_col, int plane,
- int ssx, int ssy, TX_SIZE tx_size) {
- LoopFilterMask *lfm = get_loop_filter_mask(cm, mi_row, mi_col);
- const int x = (mi_col << (MI_SIZE_LOG2 - ssx));
- const int y = (mi_row << (MI_SIZE_LOG2 - ssy));
- // decide whether current vertical/horizontal edge needs loop filtering
- for (EDGE_DIR dir = VERT_EDGE; dir <= HORZ_EDGE; ++dir) {
- // chroma sub8x8 block uses bottom/right mi of co-located 8x8 luma block.
- mi_row |= ssy;
- mi_col |= ssx;
-
- MB_MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride + mi_col;
- const MB_MODE_INFO *const mbmi = mi[0];
- const int curr_skip = mbmi->skip && is_inter_block(mbmi);
- const BLOCK_SIZE bsize = mbmi->sb_type;
- const BLOCK_SIZE bsizec = scale_chroma_bsize(bsize, ssx, ssy);
- const BLOCK_SIZE plane_bsize = ss_size_lookup[bsizec][ssx][ssy];
- const uint8_t level = get_filter_level(cm, &cm->lf_info, dir, plane, mbmi);
- const int prediction_masks = dir == VERT_EDGE
- ? block_size_wide[plane_bsize] - 1
- : block_size_high[plane_bsize] - 1;
- const int is_coding_block_border =
- dir == VERT_EDGE ? !(x & prediction_masks) : !(y & prediction_masks);
-
- // TODO(chengchen): step can be optimized.
- const int row_step = mi_size_high[TX_4X4] << ssy;
- const int col_step = mi_size_wide[TX_4X4] << ssx;
- const int mi_height =
- dir == VERT_EDGE ? tx_size_high_unit[tx_size] << ssy : row_step;
- const int mi_width =
- dir == VERT_EDGE ? col_step : tx_size_wide_unit[tx_size] << ssx;
-
- // assign filter levels
- for (int r = mi_row; r < mi_row + mi_height; r += row_step) {
- for (int c = mi_col; c < mi_col + mi_width; c += col_step) {
- // do not filter frame boundary
- // Note: when chroma planes' size are half of luma plane,
- // chroma plane mi corresponds to even position.
- // If frame size is not even, we still need to filter this chroma
- // position. Therefore the boundary condition check needs to be
- // separated to two cases.
- if (plane && (ssx || ssy)) {
- if (ssx && ssy) { // format 420
- if ((r << MI_SIZE_LOG2) > cm->height ||
- (c << MI_SIZE_LOG2) > cm->width)
- continue;
- } else if (ssx) { // format 422
- if ((r << MI_SIZE_LOG2) >= cm->height ||
- (c << MI_SIZE_LOG2) > cm->width)
- continue;
- }
- } else {
- if ((r << MI_SIZE_LOG2) >= cm->height ||
- (c << MI_SIZE_LOG2) >= cm->width)
- continue;
- }
-
- const int row = r % MI_SIZE_64X64;
- const int col = c % MI_SIZE_64X64;
- if (plane == 0) {
- if (dir == VERT_EDGE)
- lfm->lfl_y_ver[row][col] = level;
- else
- lfm->lfl_y_hor[row][col] = level;
- } else if (plane == 1) {
- lfm->lfl_u[row][col] = level;
- } else {
- lfm->lfl_v[row][col] = level;
- }
- }
- }
-
- for (int r = mi_row; r < mi_row + mi_height; r += row_step) {
- for (int c = mi_col; c < mi_col + mi_width; c += col_step) {
- // do not filter frame boundary
- if (is_frame_boundary(cm, plane, r, c, ssx, ssy, dir)) continue;
-
- uint64_t mask[4] = { 0 };
- const int prev_row = dir == VERT_EDGE ? r : r - (1 << ssy);
- const int prev_col = dir == VERT_EDGE ? c - (1 << ssx) : c;
- MB_MODE_INFO **mi_prev =
- cm->mi_grid_visible + prev_row * cm->mi_stride + prev_col;
- const MB_MODE_INFO *const mbmi_prev = mi_prev[0];
- const int prev_skip = mbmi_prev->skip && is_inter_block(mbmi_prev);
- const uint8_t level_prev =
- get_filter_level(cm, &cm->lf_info, dir, plane, mbmi_prev);
- const int is_edge =
- (level || level_prev) &&
- (!curr_skip || !prev_skip || is_coding_block_border);
-
- if (is_edge) {
- const TX_SIZE prev_tx_size =
- plane ? av1_get_max_uv_txsize(mbmi_prev->sb_type, ssx, ssy)
- : mbmi_prev->tx_size;
- TX_SIZE min_tx_size = (dir == VERT_EDGE)
- ? AOMMIN(txsize_horz_map[tx_size],
- txsize_horz_map[prev_tx_size])
- : AOMMIN(txsize_vert_map[tx_size],
- txsize_vert_map[prev_tx_size]);
- min_tx_size = AOMMIN(min_tx_size, TX_16X16);
- assert(min_tx_size < TX_SIZES);
- const int row = r % MI_SIZE_64X64;
- const int col = c % MI_SIZE_64X64;
- int index = 0;
- const int shift = get_index_shift(col, row, &index);
- assert(index < 4 && index >= 0);
- mask[index] |= ((uint64_t)1 << shift);
- // set mask on corresponding bit
- update_masks(dir, plane, mask, min_tx_size, lfm);
- }
- }
- }
- }
-}
-
-static void setup_tx_block_mask(AV1_COMMON *const cm, int mi_row, int mi_col,
- int blk_row, int blk_col,
- BLOCK_SIZE plane_bsize, TX_SIZE tx_size,
- int plane, int ssx, int ssy) {
- blk_row <<= ssy;
- blk_col <<= ssx;
- if (((mi_row + blk_row) << MI_SIZE_LOG2) >= cm->height ||
- ((mi_col + blk_col) << MI_SIZE_LOG2) >= cm->width)
- return;
-
- // U/V plane, tx_size is always the largest size
- if (plane) {
- assert(tx_size_wide[tx_size] <= 32 && tx_size_high[tx_size] <= 32);
- setup_masks(cm, mi_row + blk_row, mi_col + blk_col, plane, ssx, ssy,
- tx_size);
- return;
- }
-
- MB_MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride + mi_col;
- const MB_MODE_INFO *const mbmi = mi[0];
- // For Y plane:
- // If intra block, tx size is univariant.
- // If inter block, tx size follows inter_tx_size.
- TX_SIZE plane_tx_size = tx_size;
- const int is_inter = is_inter_block(mbmi);
-
- if (plane == 0) {
- if (is_inter) {
- if (mbmi->skip) {
- // TODO(chengchen): change av1_get_transform_size() to be consistant.
- // plane_tx_size = get_max_rect_tx_size(plane_bsize);
- plane_tx_size = mbmi->tx_size;
- } else {
- plane_tx_size = mbmi->inter_tx_size[av1_get_txb_size_index(
- plane_bsize, blk_row, blk_col)];
- }
- } else {
- MB_MODE_INFO **mi_this = cm->mi_grid_visible +
- (mi_row + blk_row) * cm->mi_stride + mi_col +
- blk_col;
- const MB_MODE_INFO *const mbmi_this = mi_this[0];
- plane_tx_size = mbmi_this->tx_size;
- }
- }
-
- assert(txsize_to_bsize[plane_tx_size] <= plane_bsize);
-
- if (plane || plane_tx_size == tx_size) {
- setup_masks(cm, mi_row + blk_row, mi_col + blk_col, plane, ssx, ssy,
- tx_size);
- } else {
- const TX_SIZE sub_txs = sub_tx_size_map[tx_size];
- const int bsw = tx_size_wide_unit[sub_txs];
- const int bsh = tx_size_high_unit[sub_txs];
- for (int row = 0; row < tx_size_high_unit[tx_size]; row += bsh) {
- for (int col = 0; col < tx_size_wide_unit[tx_size]; col += bsw) {
- const int offsetr = blk_row + row;
- const int offsetc = blk_col + col;
- setup_tx_block_mask(cm, mi_row, mi_col, offsetr, offsetc, plane_bsize,
- sub_txs, plane, ssx, ssy);
- }
- }
- }
-}
-
-static void setup_fix_block_mask(AV1_COMMON *const cm, int mi_row, int mi_col,
- int plane, int ssx, int ssy) {
- MB_MODE_INFO **mi =
- cm->mi_grid_visible + (mi_row | ssy) * cm->mi_stride + (mi_col | ssx);
- const MB_MODE_INFO *const mbmi = mi[0];
-
- const BLOCK_SIZE bsize = mbmi->sb_type;
- const BLOCK_SIZE bsizec = scale_chroma_bsize(bsize, ssx, ssy);
- const BLOCK_SIZE plane_bsize = ss_size_lookup[bsizec][ssx][ssy];
-
- const int block_width = mi_size_wide[plane_bsize];
- const int block_height = mi_size_high[plane_bsize];
-
- TX_SIZE max_txsize = max_txsize_rect_lookup[plane_bsize];
- // The decoder is designed so that it can process 64x64 luma pixels at a
- // time. If this is a chroma plane with subsampling and bsize corresponds to
- // a subsampled BLOCK_128X128 then the lookup above will give TX_64X64. That
- // mustn't be used for the subsampled plane (because it would be bigger than
- // a 64x64 luma block) so we round down to TX_32X32.
- if (plane && txsize_sqr_up_map[max_txsize] == TX_64X64) {
- if (max_txsize == TX_16X64)
- max_txsize = TX_16X32;
- else if (max_txsize == TX_64X16)
- max_txsize = TX_32X16;
- else
- max_txsize = TX_32X32;
- }
-
- const BLOCK_SIZE txb_size = txsize_to_bsize[max_txsize];
- const int bw = block_size_wide[txb_size] >> tx_size_wide_log2[0];
- const int bh = block_size_high[txb_size] >> tx_size_wide_log2[0];
- const BLOCK_SIZE max_unit_bsize = ss_size_lookup[BLOCK_64X64][ssx][ssy];
- int mu_blocks_wide = block_size_wide[max_unit_bsize] >> tx_size_wide_log2[0];
- int mu_blocks_high = block_size_high[max_unit_bsize] >> tx_size_high_log2[0];
-
- mu_blocks_wide = AOMMIN(block_width, mu_blocks_wide);
- mu_blocks_high = AOMMIN(block_height, mu_blocks_high);
-
- // Y: Largest tx_size is 64x64, while superblock size can be 128x128.
- // Here we ensure that setup_tx_block_mask process at most a 64x64 block.
- // U/V: largest tx size is 32x32.
- for (int idy = 0; idy < block_height; idy += mu_blocks_high) {
- for (int idx = 0; idx < block_width; idx += mu_blocks_wide) {
- const int unit_height = AOMMIN(mu_blocks_high + idy, block_height);
- const int unit_width = AOMMIN(mu_blocks_wide + idx, block_width);
- for (int blk_row = idy; blk_row < unit_height; blk_row += bh) {
- for (int blk_col = idx; blk_col < unit_width; blk_col += bw) {
- setup_tx_block_mask(cm, mi_row, mi_col, blk_row, blk_col, plane_bsize,
- max_txsize, plane, ssx, ssy);
- }
- }
- }
- }
-}
-
-static void setup_block_mask(AV1_COMMON *const cm, int mi_row, int mi_col,
- BLOCK_SIZE bsize, int plane, int ssx, int ssy) {
- if ((mi_row << MI_SIZE_LOG2) >= cm->height ||
- (mi_col << MI_SIZE_LOG2) >= cm->width)
- return;
-
- const PARTITION_TYPE partition = get_partition(cm, mi_row, mi_col, bsize);
- const BLOCK_SIZE subsize = get_partition_subsize(bsize, partition);
- const int hbs = mi_size_wide[bsize] / 2;
- const int quarter_step = mi_size_wide[bsize] / 4;
- const int allow_sub8x8 = (ssx || ssy) ? bsize > BLOCK_8X8 : 1;
- const int has_next_row =
- (((mi_row + hbs) << MI_SIZE_LOG2) < cm->height) & allow_sub8x8;
- const int has_next_col =
- (((mi_col + hbs) << MI_SIZE_LOG2) < cm->width) & allow_sub8x8;
- int i;
-
- switch (partition) {
- case PARTITION_NONE:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- break;
- case PARTITION_HORZ:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- if (has_next_row)
- setup_fix_block_mask(cm, mi_row + hbs, mi_col, plane, ssx, ssy);
- break;
- case PARTITION_VERT:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- if (has_next_col)
- setup_fix_block_mask(cm, mi_row, mi_col + hbs, plane, ssx, ssy);
- break;
- case PARTITION_SPLIT:
- setup_block_mask(cm, mi_row, mi_col, subsize, plane, ssx, ssy);
- if (has_next_col)
- setup_block_mask(cm, mi_row, mi_col + hbs, subsize, plane, ssx, ssy);
- if (has_next_row)
- setup_block_mask(cm, mi_row + hbs, mi_col, subsize, plane, ssx, ssy);
- if (has_next_col & has_next_row)
- setup_block_mask(cm, mi_row + hbs, mi_col + hbs, subsize, plane, ssx,
- ssy);
- break;
- case PARTITION_HORZ_A:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- if (has_next_col)
- setup_fix_block_mask(cm, mi_row, mi_col + hbs, plane, ssx, ssy);
- if (has_next_row)
- setup_fix_block_mask(cm, mi_row + hbs, mi_col, plane, ssx, ssy);
- break;
- case PARTITION_HORZ_B:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- if (has_next_row)
- setup_fix_block_mask(cm, mi_row + hbs, mi_col, plane, ssx, ssy);
- if (has_next_col & has_next_row)
- setup_fix_block_mask(cm, mi_row + hbs, mi_col + hbs, plane, ssx, ssy);
- break;
- case PARTITION_VERT_A:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- if (has_next_row)
- setup_fix_block_mask(cm, mi_row + hbs, mi_col, plane, ssx, ssy);
- if (has_next_col)
- setup_fix_block_mask(cm, mi_row, mi_col + hbs, plane, ssx, ssy);
- break;
- case PARTITION_VERT_B:
- setup_fix_block_mask(cm, mi_row, mi_col, plane, ssx, ssy);
- if (has_next_col)
- setup_fix_block_mask(cm, mi_row, mi_col + hbs, plane, ssx, ssy);
- if (has_next_row)
- setup_fix_block_mask(cm, mi_row + hbs, mi_col + hbs, plane, ssx, ssy);
- break;
- case PARTITION_HORZ_4:
- for (i = 0; i < 4; ++i) {
- int this_mi_row = mi_row + i * quarter_step;
- if (i > 0 && (this_mi_row << MI_SIZE_LOG2) >= cm->height) break;
- // chroma plane filter the odd location
- if (plane && bsize == BLOCK_16X16 && (i & 0x01)) continue;
-
- setup_fix_block_mask(cm, this_mi_row, mi_col, plane, ssx, ssy);
- }
- break;
- case PARTITION_VERT_4:
- for (i = 0; i < 4; ++i) {
- int this_mi_col = mi_col + i * quarter_step;
- if (i > 0 && this_mi_col >= cm->mi_cols) break;
- // chroma plane filter the odd location
- if (plane && bsize == BLOCK_16X16 && (i & 0x01)) continue;
-
- setup_fix_block_mask(cm, mi_row, this_mi_col, plane, ssx, ssy);
- }
- break;
- default: assert(0);
- }
-}
-
-// TODO(chengchen): if lossless, do not need to setup mask. But when
-// segments enabled, each segment has different lossless settings.
-void av1_setup_bitmask(AV1_COMMON *const cm, int mi_row, int mi_col, int plane,
- int subsampling_x, int subsampling_y, int row_end,
- int col_end) {
- const int num_64x64 = cm->seq_params.mib_size >> MIN_MIB_SIZE_LOG2;
- for (int y = 0; y < num_64x64; ++y) {
- for (int x = 0; x < num_64x64; ++x) {
- const int row = mi_row + y * MI_SIZE_64X64;
- const int col = mi_col + x * MI_SIZE_64X64;
- if (row >= row_end || col >= col_end) continue;
- if ((row << MI_SIZE_LOG2) >= cm->height ||
- (col << MI_SIZE_LOG2) >= cm->width)
- continue;
-
- LoopFilterMask *lfm = get_loop_filter_mask(cm, row, col);
- if (lfm == NULL) return;
-
- // init mask to zero
- if (plane == 0) {
- av1_zero(lfm->left_y);
- av1_zero(lfm->above_y);
- av1_zero(lfm->lfl_y_ver);
- av1_zero(lfm->lfl_y_hor);
- } else if (plane == 1) {
- av1_zero(lfm->left_u);
- av1_zero(lfm->above_u);
- av1_zero(lfm->lfl_u);
- } else {
- av1_zero(lfm->left_v);
- av1_zero(lfm->above_v);
- av1_zero(lfm->lfl_v);
- }
- }
- }
-
- // set up bitmask for each superblock
- setup_block_mask(cm, mi_row, mi_col, cm->seq_params.sb_size, plane,
- subsampling_x, subsampling_y);
-
- for (int y = 0; y < num_64x64; ++y) {
- for (int x = 0; x < num_64x64; ++x) {
- const int row = mi_row + y * MI_SIZE_64X64;
- const int col = mi_col + x * MI_SIZE_64X64;
- if (row >= row_end || col >= col_end) continue;
- if ((row << MI_SIZE_LOG2) >= cm->height ||
- (col << MI_SIZE_LOG2) >= cm->width)
- continue;
-
- LoopFilterMask *lfm = get_loop_filter_mask(cm, row, col);
- if (lfm == NULL) return;
-
- // check if the mask is valid
- check_loop_filter_masks(lfm, plane);
-
- {
- // Let 16x16 hold 32x32 (Y/U/V) and 64x64(Y only).
- // Even tx size is greater, we only apply max length filter, which
- // is 16.
- if (plane == 0) {
- for (int j = 0; j < 4; ++j) {
- lfm->left_y[TX_16X16].bits[j] |= lfm->left_y[TX_32X32].bits[j];
- lfm->left_y[TX_16X16].bits[j] |= lfm->left_y[TX_64X64].bits[j];
- lfm->above_y[TX_16X16].bits[j] |= lfm->above_y[TX_32X32].bits[j];
- lfm->above_y[TX_16X16].bits[j] |= lfm->above_y[TX_64X64].bits[j];
-
- // set 32x32 and 64x64 to 0
- lfm->left_y[TX_32X32].bits[j] = 0;
- lfm->left_y[TX_64X64].bits[j] = 0;
- lfm->above_y[TX_32X32].bits[j] = 0;
- lfm->above_y[TX_64X64].bits[j] = 0;
- }
- } else if (plane == 1) {
- for (int j = 0; j < 4; ++j) {
- lfm->left_u[TX_16X16].bits[j] |= lfm->left_u[TX_32X32].bits[j];
- lfm->above_u[TX_16X16].bits[j] |= lfm->above_u[TX_32X32].bits[j];
-
- // set 32x32 to 0
- lfm->left_u[TX_32X32].bits[j] = 0;
- lfm->above_u[TX_32X32].bits[j] = 0;
- }
- } else {
- for (int j = 0; j < 4; ++j) {
- lfm->left_v[TX_16X16].bits[j] |= lfm->left_v[TX_32X32].bits[j];
- lfm->above_v[TX_16X16].bits[j] |= lfm->above_v[TX_32X32].bits[j];
-
- // set 32x32 to 0
- lfm->left_v[TX_32X32].bits[j] = 0;
- lfm->above_v[TX_32X32].bits[j] = 0;
- }
- }
- }
-
- // check if the mask is valid
- check_loop_filter_masks(lfm, plane);
- }
- }
-}
-
-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;
- }
-}
-
-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;
- }
-}
-
-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;
-
- 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.
- const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + step);
-
- 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;
- }
-}
-
-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;
-
- 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.
- const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + step);
-
- 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(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(s, pitch, lfi->mblim, lfi->lim,
- lfi->hev_thr, lfin->mblim,
- lfin->lim, lfin->hev_thr, bd);
- } else {
- aom_highbd_lpf_horizontal_8_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_4x4 & 1) {
- if ((mask_4x4 & two_block_mask) == two_block_mask) {
- aom_highbd_lpf_horizontal_4_dual(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;
- }
-}
-
-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 row_step = (MI_SIZE >> MI_SIZE_LOG2);
- const int is_uv = plane > 0;
- TX_SIZE tx_size = TX_16X16, prev_tx_size = TX_16X16;
- uint8_t level, prev_level = 1;
- int skip, prev_skip = 0;
- int is_coding_block_border;
-
- for (int r = 0; (r << MI_SIZE_LOG2) < plane_ptr->dst.height; r += row_step) {
- const int mi_row = r << subsampling_y;
- const int row = mi_row % MI_SIZE_64X64;
- 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 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][col]; break;
- case 1: level = lfm->lfl_u[row][col]; break;
- case 2: level = lfm->lfl_v[row][col]; 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 tmp_row = (mi_row | subsampling_y) % MI_SIZE_64X64;
- const int tmp_col = (col | subsampling_x) % MI_SIZE_64X64;
- const int shift_1 = get_index_shift(tmp_col, tmp_row, &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;
- }
- }
-
- // 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 col_step = (MI_SIZE >> MI_SIZE_LOG2);
- const int is_uv = plane > 0;
- TX_SIZE tx_size = TX_16X16, prev_tx_size = TX_16X16;
- uint8_t level, prev_level = 1;
- int skip, prev_skip = 0;
- int is_coding_block_border;
-
- for (int c = 0; (c << MI_SIZE_LOG2) < plane_ptr->dst.width; c += col_step) {
- const int mi_col = c << subsampling_x;
- const int col = mi_col % MI_SIZE_64X64;
-
- 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;
- 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][col]; break;
- case 1: level = lfm->lfl_u[row][col]; break;
- case 2: level = lfm->lfl_v[row][col]; 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 tmp_row = (row | subsampling_y) % MI_SIZE_64X64;
- const int tmp_col = (mi_col | subsampling_x) % MI_SIZE_64X64;
- const int shift_1 = get_index_shift(tmp_col, tmp_row, &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;
- }
- }
-
- // 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);
- 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[row][col];
- lfl2 = &lfm->lfl_u[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[row][col];
- lfl2 = &lfm->lfl_v[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 (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);
- 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[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[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 (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);
- 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[row][col];
- lfl2 = &lfm->lfl_u[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[row][col];
- lfl2 = &lfm->lfl_v[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 (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);
- 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[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[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 (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);
- dst->buf -= ((c << MI_SIZE_LOG2) >> ssx);
- }
- dst->buf += MI_SIZE * dst->stride;
- }
-}
-#endif // LOOP_FILTER_BITMASK
-
-static TX_SIZE get_transform_size(const MACROBLOCKD *const xd,
- const MB_MODE_INFO *const mbmi,
- const EDGE_DIR edge_dir, const int mi_row,
- const int mi_col, const int plane,
- const struct macroblockd_plane *plane_ptr) {
- assert(mbmi != NULL);
- if (xd && xd->lossless[mbmi->segment_id]) return TX_4X4;
-
- TX_SIZE tx_size =
- (plane == AOM_PLANE_Y)
- ? mbmi->tx_size
- : av1_get_max_uv_txsize(mbmi->sb_type, plane_ptr->subsampling_x,
- plane_ptr->subsampling_y);
- assert(tx_size < TX_SIZES_ALL);
- if ((plane == AOM_PLANE_Y) && is_inter_block(mbmi) && !mbmi->skip) {
- const BLOCK_SIZE sb_type = mbmi->sb_type;
- const int blk_row = mi_row & (mi_size_high[sb_type] - 1);
- const int blk_col = mi_col & (mi_size_wide[sb_type] - 1);
- const TX_SIZE mb_tx_size =
- mbmi->inter_tx_size[av1_get_txb_size_index(sb_type, blk_row, blk_col)];
- assert(mb_tx_size < TX_SIZES_ALL);
- tx_size = mb_tx_size;
- }
-
- // since in case of chrominance or non-square transorm need to convert
- // transform size into transform size in particular direction.
- // for vertical edge, filter direction is horizontal, for horizontal
- // edge, filter direction is vertical.
- tx_size = (VERT_EDGE == edge_dir) ? txsize_horz_map[tx_size]
- : txsize_vert_map[tx_size];
- return tx_size;
-}
-
-typedef struct AV1_DEBLOCKING_PARAMETERS {
- // length of the filter applied to the outer edge
- uint32_t filter_length;
- // deblocking limits
- const uint8_t *lim;
- const uint8_t *mblim;
- const uint8_t *hev_thr;
-} AV1_DEBLOCKING_PARAMETERS;
-
-// Return TX_SIZE from get_transform_size(), so it is plane and direction
-// awared
-static TX_SIZE set_lpf_parameters(
- AV1_DEBLOCKING_PARAMETERS *const params, const ptrdiff_t mode_step,
- const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
- const EDGE_DIR edge_dir, const uint32_t x, const uint32_t y,
- const int plane, const struct macroblockd_plane *const plane_ptr) {
- // reset to initial values
- params->filter_length = 0;
-
- // no deblocking is required
- const uint32_t width = plane_ptr->dst.width;
- const uint32_t height = plane_ptr->dst.height;
- if ((width <= x) || (height <= y)) {
- // just return the smallest transform unit size
- return TX_4X4;
- }
-
- const uint32_t scale_horz = plane_ptr->subsampling_x;
- const uint32_t scale_vert = plane_ptr->subsampling_y;
- // for sub8x8 block, chroma prediction mode is obtained from the bottom/right
- // mi structure of the co-located 8x8 luma block. so for chroma plane, mi_row
- // and mi_col should map to the bottom/right mi structure, i.e, both mi_row
- // and mi_col should be odd number for chroma plane.
- const int mi_row = scale_vert | ((y << scale_vert) >> MI_SIZE_LOG2);
- const int mi_col = scale_horz | ((x << scale_horz) >> MI_SIZE_LOG2);
- MB_MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride + mi_col;
- const MB_MODE_INFO *mbmi = mi[0];
- // If current mbmi is not correctly setup, return an invalid value to stop
- // filtering. One example is that if this tile is not coded, then its mbmi
- // it not set up.
- if (mbmi == NULL) return TX_INVALID;
-
- const TX_SIZE ts =
- get_transform_size(xd, mi[0], edge_dir, mi_row, mi_col, plane, plane_ptr);
-
- {
- const uint32_t coord = (VERT_EDGE == edge_dir) ? (x) : (y);
- const uint32_t transform_masks =
- edge_dir == VERT_EDGE ? tx_size_wide[ts] - 1 : tx_size_high[ts] - 1;
- const int32_t tu_edge = (coord & transform_masks) ? (0) : (1);
-
- if (!tu_edge) return ts;
-
- // prepare outer edge parameters. deblock the edge if it's an edge of a TU
- {
- const uint32_t curr_level =
- get_filter_level(cm, &cm->lf_info, edge_dir, plane, mbmi);
- const int curr_skipped = mbmi->skip && is_inter_block(mbmi);
- uint32_t level = curr_level;
- if (coord) {
- {
- const MB_MODE_INFO *const mi_prev = *(mi - mode_step);
- if (mi_prev == NULL) return TX_INVALID;
- const int pv_row =
- (VERT_EDGE == edge_dir) ? (mi_row) : (mi_row - (1 << scale_vert));
- const int pv_col =
- (VERT_EDGE == edge_dir) ? (mi_col - (1 << scale_horz)) : (mi_col);
- const TX_SIZE pv_ts = get_transform_size(
- xd, mi_prev, edge_dir, pv_row, pv_col, plane, plane_ptr);
-
- const uint32_t pv_lvl =
- get_filter_level(cm, &cm->lf_info, edge_dir, plane, mi_prev);
-
- const int pv_skip = mi_prev->skip && is_inter_block(mi_prev);
- const BLOCK_SIZE bsize =
- get_plane_block_size(mbmi->sb_type, plane_ptr->subsampling_x,
- plane_ptr->subsampling_y);
- const int prediction_masks = edge_dir == VERT_EDGE
- ? block_size_wide[bsize] - 1
- : block_size_high[bsize] - 1;
- const int32_t pu_edge = !(coord & prediction_masks);
- // if the current and the previous blocks are skipped,
- // deblock the edge if the edge belongs to a PU's edge only.
- if ((curr_level || pv_lvl) &&
- (!pv_skip || !curr_skipped || pu_edge)) {
- const TX_SIZE min_ts = AOMMIN(ts, pv_ts);
- if (TX_4X4 >= min_ts) {
- params->filter_length = 4;
- } else if (TX_8X8 == min_ts) {
- if (plane != 0)
- params->filter_length = 6;
- else
- params->filter_length = 8;
- } else {
- params->filter_length = 14;
- // No wide filtering for chroma plane
- if (plane != 0) {
- params->filter_length = 6;
- }
- }
-
- // update the level if the current block is skipped,
- // but the previous one is not
- level = (curr_level) ? (curr_level) : (pv_lvl);
- }
- }
- }
- // prepare common parameters
- if (params->filter_length) {
- const loop_filter_thresh *const limits = cm->lf_info.lfthr + level;
- params->lim = limits->lim;
- params->mblim = limits->mblim;
- params->hev_thr = limits->hev_thr;
- }
- }
- }
-
- return ts;
-}
-
-void av1_filter_block_plane_vert(const AV1_COMMON *const cm,
- const MACROBLOCKD *const xd, const int plane,
- const MACROBLOCKD_PLANE *const plane_ptr,
- const uint32_t mi_row, const uint32_t mi_col) {
- const int row_step = MI_SIZE >> MI_SIZE_LOG2;
- const uint32_t scale_horz = plane_ptr->subsampling_x;
- const uint32_t scale_vert = plane_ptr->subsampling_y;
- uint8_t *const dst_ptr = plane_ptr->dst.buf;
- const int dst_stride = plane_ptr->dst.stride;
- const int y_range = (MAX_MIB_SIZE >> scale_vert);
- const int x_range = (MAX_MIB_SIZE >> scale_horz);
- const int use_highbitdepth = cm->seq_params.use_highbitdepth;
- const aom_bit_depth_t bit_depth = cm->seq_params.bit_depth;
- for (int y = 0; y < y_range; y += row_step) {
- uint8_t *p = dst_ptr + y * MI_SIZE * dst_stride;
- for (int x = 0; x < x_range;) {
- // inner loop always filter vertical edges in a MI block. If MI size
- // is 8x8, it will filter the vertical edge aligned with a 8x8 block.
- // If 4x4 trasnform is used, it will then filter the internal edge
- // aligned with a 4x4 block
- const uint32_t curr_x = ((mi_col * MI_SIZE) >> scale_horz) + x * MI_SIZE;
- const uint32_t curr_y = ((mi_row * MI_SIZE) >> scale_vert) + y * MI_SIZE;
- uint32_t advance_units;
- TX_SIZE tx_size;
- AV1_DEBLOCKING_PARAMETERS params;
- memset(&params, 0, sizeof(params));
-
- tx_size =
- set_lpf_parameters(&params, ((ptrdiff_t)1 << scale_horz), cm, xd,
- VERT_EDGE, curr_x, curr_y, plane, plane_ptr);
- if (tx_size == TX_INVALID) {
- params.filter_length = 0;
- tx_size = TX_4X4;
- }
-
- switch (params.filter_length) {
- // apply 4-tap filtering
- case 4:
- if (use_highbitdepth)
- aom_highbd_lpf_vertical_4(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim, params.hev_thr,
- bit_depth);
- else
- aom_lpf_vertical_4(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- case 6: // apply 6-tap filter for chroma plane only
- assert(plane != 0);
- if (use_highbitdepth)
- aom_highbd_lpf_vertical_6(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim, params.hev_thr,
- bit_depth);
- else
- aom_lpf_vertical_6(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // apply 8-tap filtering
- case 8:
- if (use_highbitdepth)
- aom_highbd_lpf_vertical_8(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim, params.hev_thr,
- bit_depth);
- else
- aom_lpf_vertical_8(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // apply 14-tap filtering
- case 14:
- if (use_highbitdepth)
- aom_highbd_lpf_vertical_14(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim, params.hev_thr,
- bit_depth);
- else
- aom_lpf_vertical_14(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // no filtering
- default: break;
- }
- // advance the destination pointer
- advance_units = tx_size_wide_unit[tx_size];
- x += advance_units;
- p += advance_units * MI_SIZE;
- }
- }
-}
-
-void av1_filter_block_plane_horz(const AV1_COMMON *const cm,
- const MACROBLOCKD *const xd, const int plane,
- const MACROBLOCKD_PLANE *const plane_ptr,
- const uint32_t mi_row, const uint32_t mi_col) {
- const int col_step = MI_SIZE >> MI_SIZE_LOG2;
- const uint32_t scale_horz = plane_ptr->subsampling_x;
- const uint32_t scale_vert = plane_ptr->subsampling_y;
- uint8_t *const dst_ptr = plane_ptr->dst.buf;
- const int dst_stride = plane_ptr->dst.stride;
- const int y_range = (MAX_MIB_SIZE >> scale_vert);
- const int x_range = (MAX_MIB_SIZE >> scale_horz);
- const int use_highbitdepth = cm->seq_params.use_highbitdepth;
- const aom_bit_depth_t bit_depth = cm->seq_params.bit_depth;
- for (int x = 0; x < x_range; x += col_step) {
- uint8_t *p = dst_ptr + x * MI_SIZE;
- for (int y = 0; y < y_range;) {
- // inner loop always filter vertical edges in a MI block. If MI size
- // is 8x8, it will first filter the vertical edge aligned with a 8x8
- // block. If 4x4 trasnform is used, it will then filter the internal
- // edge aligned with a 4x4 block
- const uint32_t curr_x = ((mi_col * MI_SIZE) >> scale_horz) + x * MI_SIZE;
- const uint32_t curr_y = ((mi_row * MI_SIZE) >> scale_vert) + y * MI_SIZE;
- uint32_t advance_units;
- TX_SIZE tx_size;
- AV1_DEBLOCKING_PARAMETERS params;
- memset(&params, 0, sizeof(params));
-
- tx_size =
- set_lpf_parameters(&params, (cm->mi_stride << scale_vert), cm, xd,
- HORZ_EDGE, curr_x, curr_y, plane, plane_ptr);
- if (tx_size == TX_INVALID) {
- params.filter_length = 0;
- tx_size = TX_4X4;
- }
-
- switch (params.filter_length) {
- // apply 4-tap filtering
- case 4:
- if (use_highbitdepth)
- aom_highbd_lpf_horizontal_4(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim,
- params.hev_thr, bit_depth);
- else
- aom_lpf_horizontal_4(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // apply 6-tap filtering
- case 6:
- assert(plane != 0);
- if (use_highbitdepth)
- aom_highbd_lpf_horizontal_6(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim,
- params.hev_thr, bit_depth);
- else
- aom_lpf_horizontal_6(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // apply 8-tap filtering
- case 8:
- if (use_highbitdepth)
- aom_highbd_lpf_horizontal_8(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim,
- params.hev_thr, bit_depth);
- else
- aom_lpf_horizontal_8(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // apply 14-tap filtering
- case 14:
- if (use_highbitdepth)
- aom_highbd_lpf_horizontal_14(CONVERT_TO_SHORTPTR(p), dst_stride,
- params.mblim, params.lim,
- params.hev_thr, bit_depth);
- else
- aom_lpf_horizontal_14(p, dst_stride, params.mblim, params.lim,
- params.hev_thr);
- break;
- // no filtering
- default: break;
- }
-
- // advance the destination pointer
- advance_units = tx_size_high_unit[tx_size];
- y += advance_units;
- p += advance_units * dst_stride * MI_SIZE;
- }
- }
-}
-
-static void loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer, AV1_COMMON *cm,
- MACROBLOCKD *xd, int start, int stop,
-#if LOOP_FILTER_BITMASK
- int is_decoding,
-#endif
- int plane_start, int plane_end) {
- struct macroblockd_plane *pd = xd->plane;
- const int col_start = 0;
- const int col_end = cm->mi_cols;
- int mi_row, mi_col;
- int plane;
-
-#if LOOP_FILTER_BITMASK
- if (is_decoding) {
- for (plane = plane_start; plane < plane_end; plane++) {
- if (plane == 0 && !(cm->lf.filter_level[0]) && !(cm->lf.filter_level[1]))
- break;
- else if (plane == 1 && !(cm->lf.filter_level_u))
- continue;
- else if (plane == 2 && !(cm->lf.filter_level_v))
- continue;
-
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, 0, 0,
- plane, plane + 1);
- av1_build_bitmask_vert_info(cm, &pd[plane], plane);
- av1_build_bitmask_horz_info(cm, &pd[plane], plane);
-
- // apply loop filtering which only goes through buffer once
- for (mi_row = start; mi_row < stop; mi_row += MI_SIZE_64X64) {
- for (mi_col = col_start; mi_col < col_end; mi_col += MI_SIZE_64X64) {
- av1_setup_dst_planes(pd, MI_SIZE_64X64, frame_buffer, mi_row, mi_col,
- plane, plane + 1);
- av1_filter_block_plane_bitmask_vert(cm, &pd[plane], plane, mi_row,
- mi_col);
- if (mi_col - MI_SIZE_64X64 >= 0) {
- av1_setup_dst_planes(pd, MI_SIZE_64X64, frame_buffer, mi_row,
- mi_col - MI_SIZE_64X64, plane, plane + 1);
- av1_filter_block_plane_bitmask_horz(cm, &pd[plane], plane, mi_row,
- mi_col - MI_SIZE_64X64);
- }
- }
- av1_setup_dst_planes(pd, MI_SIZE_64X64, frame_buffer, mi_row,
- mi_col - MI_SIZE_64X64, plane, plane + 1);
- av1_filter_block_plane_bitmask_horz(cm, &pd[plane], plane, mi_row,
- mi_col - MI_SIZE_64X64);
- }
- }
- return;
- }
-#endif
-
- for (plane = plane_start; plane < plane_end; plane++) {
- if (plane == 0 && !(cm->lf.filter_level[0]) && !(cm->lf.filter_level[1]))
- break;
- else if (plane == 1 && !(cm->lf.filter_level_u))
- continue;
- else if (plane == 2 && !(cm->lf.filter_level_v))
- continue;
-
-#if LOOP_FILTER_BITMASK
- // filter all vertical edges every superblock (could be 128x128 or 64x64)
- for (mi_row = start; mi_row < stop; mi_row += cm->seq_params.mib_size) {
- for (mi_col = col_start; mi_col < col_end;
- mi_col += cm->seq_params.mib_size) {
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, mi_row,
- mi_col, plane, plane + 1);
-
- av1_setup_bitmask(cm, mi_row, mi_col, plane, pd[plane].subsampling_x,
- pd[plane].subsampling_y, stop, col_end);
- av1_filter_block_plane_ver(cm, &pd[plane], plane, mi_row, mi_col);
- }
- }
-
- // filter all horizontal edges every superblock
- for (mi_row = start; mi_row < stop; mi_row += cm->seq_params.mib_size) {
- for (mi_col = col_start; mi_col < col_end;
- mi_col += cm->seq_params.mib_size) {
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, mi_row,
- mi_col, plane, plane + 1);
-
- av1_filter_block_plane_hor(cm, &pd[plane], plane, mi_row, mi_col);
- }
- }
-#else
- if (cm->lf.combine_vert_horz_lf) {
- // filter all vertical and horizontal edges in every 128x128 super block
- for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) {
- for (mi_col = col_start; mi_col < col_end; mi_col += MAX_MIB_SIZE) {
- // filter vertical edges
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, mi_row,
- mi_col, plane, plane + 1);
- av1_filter_block_plane_vert(cm, xd, plane, &pd[plane], mi_row,
- mi_col);
- // filter horizontal edges
- if (mi_col - MAX_MIB_SIZE >= 0) {
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer,
- mi_row, mi_col - MAX_MIB_SIZE, plane,
- plane + 1);
- av1_filter_block_plane_horz(cm, xd, plane, &pd[plane], mi_row,
- mi_col - MAX_MIB_SIZE);
- }
- }
- // filter horizontal edges
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, mi_row,
- mi_col - MAX_MIB_SIZE, plane, plane + 1);
- av1_filter_block_plane_horz(cm, xd, plane, &pd[plane], mi_row,
- mi_col - MAX_MIB_SIZE);
- }
- } else {
- // filter all vertical edges in every 128x128 super block
- for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) {
- for (mi_col = col_start; mi_col < col_end; mi_col += MAX_MIB_SIZE) {
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, mi_row,
- mi_col, plane, plane + 1);
- av1_filter_block_plane_vert(cm, xd, plane, &pd[plane], mi_row,
- mi_col);
- }
- }
-
- // filter all horizontal edges in every 128x128 super block
- for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) {
- for (mi_col = col_start; mi_col < col_end; mi_col += MAX_MIB_SIZE) {
- av1_setup_dst_planes(pd, cm->seq_params.sb_size, frame_buffer, mi_row,
- mi_col, plane, plane + 1);
- av1_filter_block_plane_horz(cm, xd, plane, &pd[plane], mi_row,
- mi_col);
- }
- }
- }
-#endif // LOOP_FILTER_BITMASK
- }
-}
-
-void av1_loop_filter_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm,
- MACROBLOCKD *xd,
-#if LOOP_FILTER_BITMASK
- int is_decoding,
-#endif
- int plane_start, int plane_end, int partial_frame) {
- int start_mi_row, end_mi_row, mi_rows_to_filter;
-
- start_mi_row = 0;
- mi_rows_to_filter = cm->mi_rows;
- if (partial_frame && cm->mi_rows > 8) {
- start_mi_row = cm->mi_rows >> 1;
- start_mi_row &= 0xfffffff8;
- mi_rows_to_filter = AOMMAX(cm->mi_rows / 8, 8);
- }
- end_mi_row = start_mi_row + mi_rows_to_filter;
- av1_loop_filter_frame_init(cm, plane_start, plane_end);
- loop_filter_rows(frame, cm, xd, start_mi_row, end_mi_row,
-#if LOOP_FILTER_BITMASK
- is_decoding,
-#endif
- plane_start, plane_end);
-}