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diff --git a/third_party/aom/av1/common/reconintra.c b/third_party/aom/av1/common/reconintra.c
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+/*
+ * 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 "config/av1_rtcd.h"
+
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/aom_once.h"
+#include "aom_ports/mem.h"
+#include "aom_ports/system_state.h"
+#include "av1/common/reconintra.h"
+#include "av1/common/onyxc_int.h"
+#include "av1/common/cfl.h"
+
+enum {
+ NEED_LEFT = 1 << 1,
+ NEED_ABOVE = 1 << 2,
+ NEED_ABOVERIGHT = 1 << 3,
+ NEED_ABOVELEFT = 1 << 4,
+ NEED_BOTTOMLEFT = 1 << 5,
+};
+
+#define INTRA_EDGE_FILT 3
+#define INTRA_EDGE_TAPS 5
+#define MAX_UPSAMPLE_SZ 16
+
+static const uint8_t extend_modes[INTRA_MODES] = {
+ NEED_ABOVE | NEED_LEFT, // DC
+ NEED_ABOVE, // V
+ NEED_LEFT, // H
+ NEED_ABOVE | NEED_ABOVERIGHT, // D45
+ NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // D135
+ NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // D113
+ NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // D157
+ NEED_LEFT | NEED_BOTTOMLEFT, // D203
+ NEED_ABOVE | NEED_ABOVERIGHT, // D67
+ NEED_LEFT | NEED_ABOVE, // SMOOTH
+ NEED_LEFT | NEED_ABOVE, // SMOOTH_V
+ NEED_LEFT | NEED_ABOVE, // SMOOTH_H
+ NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // PAETH
+};
+
+// Tables to store if the top-right reference pixels are available. The flags
+// are represented with bits, packed into 8-bit integers. E.g., for the 32x32
+// blocks in a 128x128 superblock, the index of the "o" block is 10 (in raster
+// order), so its flag is stored at the 3rd bit of the 2nd entry in the table,
+// i.e. (table[10 / 8] >> (10 % 8)) & 1.
+// . . . .
+// . . . .
+// . . o .
+// . . . .
+static uint8_t has_tr_4x4[128] = {
+ 255, 255, 255, 255, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 127, 127, 127, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 255, 127, 255, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 127, 127, 127, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 255, 255, 255, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 127, 127, 127, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 255, 127, 255, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+ 127, 127, 127, 127, 85, 85, 85, 85, 119, 119, 119, 119, 85, 85, 85, 85,
+};
+static uint8_t has_tr_4x8[64] = {
+ 255, 255, 255, 255, 119, 119, 119, 119, 127, 127, 127, 127, 119,
+ 119, 119, 119, 255, 127, 255, 127, 119, 119, 119, 119, 127, 127,
+ 127, 127, 119, 119, 119, 119, 255, 255, 255, 127, 119, 119, 119,
+ 119, 127, 127, 127, 127, 119, 119, 119, 119, 255, 127, 255, 127,
+ 119, 119, 119, 119, 127, 127, 127, 127, 119, 119, 119, 119,
+};
+static uint8_t has_tr_8x4[64] = {
+ 255, 255, 0, 0, 85, 85, 0, 0, 119, 119, 0, 0, 85, 85, 0, 0,
+ 127, 127, 0, 0, 85, 85, 0, 0, 119, 119, 0, 0, 85, 85, 0, 0,
+ 255, 127, 0, 0, 85, 85, 0, 0, 119, 119, 0, 0, 85, 85, 0, 0,
+ 127, 127, 0, 0, 85, 85, 0, 0, 119, 119, 0, 0, 85, 85, 0, 0,
+};
+static uint8_t has_tr_8x8[32] = {
+ 255, 255, 85, 85, 119, 119, 85, 85, 127, 127, 85, 85, 119, 119, 85, 85,
+ 255, 127, 85, 85, 119, 119, 85, 85, 127, 127, 85, 85, 119, 119, 85, 85,
+};
+static uint8_t has_tr_8x16[16] = {
+ 255, 255, 119, 119, 127, 127, 119, 119,
+ 255, 127, 119, 119, 127, 127, 119, 119,
+};
+static uint8_t has_tr_16x8[16] = {
+ 255, 0, 85, 0, 119, 0, 85, 0, 127, 0, 85, 0, 119, 0, 85, 0,
+};
+static uint8_t has_tr_16x16[8] = {
+ 255, 85, 119, 85, 127, 85, 119, 85,
+};
+static uint8_t has_tr_16x32[4] = { 255, 119, 127, 119 };
+static uint8_t has_tr_32x16[4] = { 15, 5, 7, 5 };
+static uint8_t has_tr_32x32[2] = { 95, 87 };
+static uint8_t has_tr_32x64[1] = { 127 };
+static uint8_t has_tr_64x32[1] = { 19 };
+static uint8_t has_tr_64x64[1] = { 7 };
+static uint8_t has_tr_64x128[1] = { 3 };
+static uint8_t has_tr_128x64[1] = { 1 };
+static uint8_t has_tr_128x128[1] = { 1 };
+static uint8_t has_tr_4x16[32] = {
+ 255, 255, 255, 255, 127, 127, 127, 127, 255, 127, 255,
+ 127, 127, 127, 127, 127, 255, 255, 255, 127, 127, 127,
+ 127, 127, 255, 127, 255, 127, 127, 127, 127, 127,
+};
+static uint8_t has_tr_16x4[32] = {
+ 255, 0, 0, 0, 85, 0, 0, 0, 119, 0, 0, 0, 85, 0, 0, 0,
+ 127, 0, 0, 0, 85, 0, 0, 0, 119, 0, 0, 0, 85, 0, 0, 0,
+};
+static uint8_t has_tr_8x32[8] = {
+ 255, 255, 127, 127, 255, 127, 127, 127,
+};
+static uint8_t has_tr_32x8[8] = {
+ 15, 0, 5, 0, 7, 0, 5, 0,
+};
+static uint8_t has_tr_16x64[2] = { 255, 127 };
+static uint8_t has_tr_64x16[2] = { 3, 1 };
+
+static const uint8_t *const has_tr_tables[BLOCK_SIZES_ALL] = {
+ // 4X4
+ has_tr_4x4,
+ // 4X8, 8X4, 8X8
+ has_tr_4x8, has_tr_8x4, has_tr_8x8,
+ // 8X16, 16X8, 16X16
+ has_tr_8x16, has_tr_16x8, has_tr_16x16,
+ // 16X32, 32X16, 32X32
+ has_tr_16x32, has_tr_32x16, has_tr_32x32,
+ // 32X64, 64X32, 64X64
+ has_tr_32x64, has_tr_64x32, has_tr_64x64,
+ // 64x128, 128x64, 128x128
+ has_tr_64x128, has_tr_128x64, has_tr_128x128,
+ // 4x16, 16x4, 8x32
+ has_tr_4x16, has_tr_16x4, has_tr_8x32,
+ // 32x8, 16x64, 64x16
+ has_tr_32x8, has_tr_16x64, has_tr_64x16
+};
+
+static uint8_t has_tr_vert_8x8[32] = {
+ 255, 255, 0, 0, 119, 119, 0, 0, 127, 127, 0, 0, 119, 119, 0, 0,
+ 255, 127, 0, 0, 119, 119, 0, 0, 127, 127, 0, 0, 119, 119, 0, 0,
+};
+static uint8_t has_tr_vert_16x16[8] = {
+ 255, 0, 119, 0, 127, 0, 119, 0,
+};
+static uint8_t has_tr_vert_32x32[2] = { 15, 7 };
+static uint8_t has_tr_vert_64x64[1] = { 3 };
+
+// The _vert_* tables are like the ordinary tables above, but describe the
+// order we visit square blocks when doing a PARTITION_VERT_A or
+// PARTITION_VERT_B. This is the same order as normal except for on the last
+// split where we go vertically (TL, BL, TR, BR). We treat the rectangular block
+// as a pair of squares, which means that these tables work correctly for both
+// mixed vertical partition types.
+//
+// There are tables for each of the square sizes. Vertical rectangles (like
+// BLOCK_16X32) use their respective "non-vert" table
+static const uint8_t *const has_tr_vert_tables[BLOCK_SIZES] = {
+ // 4X4
+ NULL,
+ // 4X8, 8X4, 8X8
+ has_tr_4x8, NULL, has_tr_vert_8x8,
+ // 8X16, 16X8, 16X16
+ has_tr_8x16, NULL, has_tr_vert_16x16,
+ // 16X32, 32X16, 32X32
+ has_tr_16x32, NULL, has_tr_vert_32x32,
+ // 32X64, 64X32, 64X64
+ has_tr_32x64, NULL, has_tr_vert_64x64,
+ // 64x128, 128x64, 128x128
+ has_tr_64x128, NULL, has_tr_128x128
+};
+
+static const uint8_t *get_has_tr_table(PARTITION_TYPE partition,
+ BLOCK_SIZE bsize) {
+ const uint8_t *ret = NULL;
+ // If this is a mixed vertical partition, look up bsize in orders_vert.
+ if (partition == PARTITION_VERT_A || partition == PARTITION_VERT_B) {
+ assert(bsize < BLOCK_SIZES);
+ ret = has_tr_vert_tables[bsize];
+ } else {
+ ret = has_tr_tables[bsize];
+ }
+ assert(ret);
+ return ret;
+}
+
+static int has_top_right(const AV1_COMMON *cm, BLOCK_SIZE bsize, int mi_row,
+ int mi_col, int top_available, int right_available,
+ PARTITION_TYPE partition, TX_SIZE txsz, int row_off,
+ int col_off, int ss_x, int ss_y) {
+ if (!top_available || !right_available) return 0;
+
+ const int bw_unit = block_size_wide[bsize] >> tx_size_wide_log2[0];
+ const int plane_bw_unit = AOMMAX(bw_unit >> ss_x, 1);
+ const int top_right_count_unit = tx_size_wide_unit[txsz];
+
+ if (row_off > 0) { // Just need to check if enough pixels on the right.
+ if (block_size_wide[bsize] > block_size_wide[BLOCK_64X64]) {
+ // Special case: For 128x128 blocks, the transform unit whose
+ // top-right corner is at the center of the block does in fact have
+ // pixels available at its top-right corner.
+ if (row_off == mi_size_high[BLOCK_64X64] >> ss_y &&
+ col_off + top_right_count_unit == mi_size_wide[BLOCK_64X64] >> ss_x) {
+ return 1;
+ }
+ const int plane_bw_unit_64 = mi_size_wide[BLOCK_64X64] >> ss_x;
+ const int col_off_64 = col_off % plane_bw_unit_64;
+ return col_off_64 + top_right_count_unit < plane_bw_unit_64;
+ }
+ return col_off + top_right_count_unit < plane_bw_unit;
+ } else {
+ // All top-right pixels are in the block above, which is already available.
+ if (col_off + top_right_count_unit < plane_bw_unit) return 1;
+
+ const int bw_in_mi_log2 = mi_size_wide_log2[bsize];
+ const int bh_in_mi_log2 = mi_size_high_log2[bsize];
+ const int sb_mi_size = mi_size_high[cm->seq_params.sb_size];
+ const int blk_row_in_sb = (mi_row & (sb_mi_size - 1)) >> bh_in_mi_log2;
+ const int blk_col_in_sb = (mi_col & (sb_mi_size - 1)) >> bw_in_mi_log2;
+
+ // Top row of superblock: so top-right pixels are in the top and/or
+ // top-right superblocks, both of which are already available.
+ if (blk_row_in_sb == 0) return 1;
+
+ // Rightmost column of superblock (and not the top row): so top-right pixels
+ // fall in the right superblock, which is not available yet.
+ if (((blk_col_in_sb + 1) << bw_in_mi_log2) >= sb_mi_size) {
+ return 0;
+ }
+
+ // General case (neither top row nor rightmost column): check if the
+ // top-right block is coded before the current block.
+ const int this_blk_index =
+ ((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
+ blk_col_in_sb + 0;
+ const int idx1 = this_blk_index / 8;
+ const int idx2 = this_blk_index % 8;
+ const uint8_t *has_tr_table = get_has_tr_table(partition, bsize);
+ return (has_tr_table[idx1] >> idx2) & 1;
+ }
+}
+
+// Similar to the has_tr_* tables, but store if the bottom-left reference
+// pixels are available.
+static uint8_t has_bl_4x4[128] = {
+ 84, 85, 85, 85, 16, 17, 17, 17, 84, 85, 85, 85, 0, 1, 1, 1, 84, 85, 85,
+ 85, 16, 17, 17, 17, 84, 85, 85, 85, 0, 0, 1, 0, 84, 85, 85, 85, 16, 17,
+ 17, 17, 84, 85, 85, 85, 0, 1, 1, 1, 84, 85, 85, 85, 16, 17, 17, 17, 84,
+ 85, 85, 85, 0, 0, 0, 0, 84, 85, 85, 85, 16, 17, 17, 17, 84, 85, 85, 85,
+ 0, 1, 1, 1, 84, 85, 85, 85, 16, 17, 17, 17, 84, 85, 85, 85, 0, 0, 1,
+ 0, 84, 85, 85, 85, 16, 17, 17, 17, 84, 85, 85, 85, 0, 1, 1, 1, 84, 85,
+ 85, 85, 16, 17, 17, 17, 84, 85, 85, 85, 0, 0, 0, 0,
+};
+static uint8_t has_bl_4x8[64] = {
+ 16, 17, 17, 17, 0, 1, 1, 1, 16, 17, 17, 17, 0, 0, 1, 0,
+ 16, 17, 17, 17, 0, 1, 1, 1, 16, 17, 17, 17, 0, 0, 0, 0,
+ 16, 17, 17, 17, 0, 1, 1, 1, 16, 17, 17, 17, 0, 0, 1, 0,
+ 16, 17, 17, 17, 0, 1, 1, 1, 16, 17, 17, 17, 0, 0, 0, 0,
+};
+static uint8_t has_bl_8x4[64] = {
+ 254, 255, 84, 85, 254, 255, 16, 17, 254, 255, 84, 85, 254, 255, 0, 1,
+ 254, 255, 84, 85, 254, 255, 16, 17, 254, 255, 84, 85, 254, 255, 0, 0,
+ 254, 255, 84, 85, 254, 255, 16, 17, 254, 255, 84, 85, 254, 255, 0, 1,
+ 254, 255, 84, 85, 254, 255, 16, 17, 254, 255, 84, 85, 254, 255, 0, 0,
+};
+static uint8_t has_bl_8x8[32] = {
+ 84, 85, 16, 17, 84, 85, 0, 1, 84, 85, 16, 17, 84, 85, 0, 0,
+ 84, 85, 16, 17, 84, 85, 0, 1, 84, 85, 16, 17, 84, 85, 0, 0,
+};
+static uint8_t has_bl_8x16[16] = {
+ 16, 17, 0, 1, 16, 17, 0, 0, 16, 17, 0, 1, 16, 17, 0, 0,
+};
+static uint8_t has_bl_16x8[16] = {
+ 254, 84, 254, 16, 254, 84, 254, 0, 254, 84, 254, 16, 254, 84, 254, 0,
+};
+static uint8_t has_bl_16x16[8] = {
+ 84, 16, 84, 0, 84, 16, 84, 0,
+};
+static uint8_t has_bl_16x32[4] = { 16, 0, 16, 0 };
+static uint8_t has_bl_32x16[4] = { 78, 14, 78, 14 };
+static uint8_t has_bl_32x32[2] = { 4, 4 };
+static uint8_t has_bl_32x64[1] = { 0 };
+static uint8_t has_bl_64x32[1] = { 34 };
+static uint8_t has_bl_64x64[1] = { 0 };
+static uint8_t has_bl_64x128[1] = { 0 };
+static uint8_t has_bl_128x64[1] = { 0 };
+static uint8_t has_bl_128x128[1] = { 0 };
+static uint8_t has_bl_4x16[32] = {
+ 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0,
+ 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0,
+};
+static uint8_t has_bl_16x4[32] = {
+ 254, 254, 254, 84, 254, 254, 254, 16, 254, 254, 254, 84, 254, 254, 254, 0,
+ 254, 254, 254, 84, 254, 254, 254, 16, 254, 254, 254, 84, 254, 254, 254, 0,
+};
+static uint8_t has_bl_8x32[8] = {
+ 0, 1, 0, 0, 0, 1, 0, 0,
+};
+static uint8_t has_bl_32x8[8] = {
+ 238, 78, 238, 14, 238, 78, 238, 14,
+};
+static uint8_t has_bl_16x64[2] = { 0, 0 };
+static uint8_t has_bl_64x16[2] = { 42, 42 };
+
+static const uint8_t *const has_bl_tables[BLOCK_SIZES_ALL] = {
+ // 4X4
+ has_bl_4x4,
+ // 4X8, 8X4, 8X8
+ has_bl_4x8, has_bl_8x4, has_bl_8x8,
+ // 8X16, 16X8, 16X16
+ has_bl_8x16, has_bl_16x8, has_bl_16x16,
+ // 16X32, 32X16, 32X32
+ has_bl_16x32, has_bl_32x16, has_bl_32x32,
+ // 32X64, 64X32, 64X64
+ has_bl_32x64, has_bl_64x32, has_bl_64x64,
+ // 64x128, 128x64, 128x128
+ has_bl_64x128, has_bl_128x64, has_bl_128x128,
+ // 4x16, 16x4, 8x32
+ has_bl_4x16, has_bl_16x4, has_bl_8x32,
+ // 32x8, 16x64, 64x16
+ has_bl_32x8, has_bl_16x64, has_bl_64x16
+};
+
+static uint8_t has_bl_vert_8x8[32] = {
+ 254, 255, 16, 17, 254, 255, 0, 1, 254, 255, 16, 17, 254, 255, 0, 0,
+ 254, 255, 16, 17, 254, 255, 0, 1, 254, 255, 16, 17, 254, 255, 0, 0,
+};
+static uint8_t has_bl_vert_16x16[8] = {
+ 254, 16, 254, 0, 254, 16, 254, 0,
+};
+static uint8_t has_bl_vert_32x32[2] = { 14, 14 };
+static uint8_t has_bl_vert_64x64[1] = { 2 };
+
+// The _vert_* tables are like the ordinary tables above, but describe the
+// order we visit square blocks when doing a PARTITION_VERT_A or
+// PARTITION_VERT_B. This is the same order as normal except for on the last
+// split where we go vertically (TL, BL, TR, BR). We treat the rectangular block
+// as a pair of squares, which means that these tables work correctly for both
+// mixed vertical partition types.
+//
+// There are tables for each of the square sizes. Vertical rectangles (like
+// BLOCK_16X32) use their respective "non-vert" table
+static const uint8_t *const has_bl_vert_tables[BLOCK_SIZES] = {
+ // 4X4
+ NULL,
+ // 4X8, 8X4, 8X8
+ has_bl_4x8, NULL, has_bl_vert_8x8,
+ // 8X16, 16X8, 16X16
+ has_bl_8x16, NULL, has_bl_vert_16x16,
+ // 16X32, 32X16, 32X32
+ has_bl_16x32, NULL, has_bl_vert_32x32,
+ // 32X64, 64X32, 64X64
+ has_bl_32x64, NULL, has_bl_vert_64x64,
+ // 64x128, 128x64, 128x128
+ has_bl_64x128, NULL, has_bl_128x128
+};
+
+static const uint8_t *get_has_bl_table(PARTITION_TYPE partition,
+ BLOCK_SIZE bsize) {
+ const uint8_t *ret = NULL;
+ // If this is a mixed vertical partition, look up bsize in orders_vert.
+ if (partition == PARTITION_VERT_A || partition == PARTITION_VERT_B) {
+ assert(bsize < BLOCK_SIZES);
+ ret = has_bl_vert_tables[bsize];
+ } else {
+ ret = has_bl_tables[bsize];
+ }
+ assert(ret);
+ return ret;
+}
+
+static int has_bottom_left(const AV1_COMMON *cm, BLOCK_SIZE bsize, int mi_row,
+ int mi_col, int bottom_available, int left_available,
+ PARTITION_TYPE partition, TX_SIZE txsz, int row_off,
+ int col_off, int ss_x, int ss_y) {
+ if (!bottom_available || !left_available) return 0;
+
+ // Special case for 128x* blocks, when col_off is half the block width.
+ // This is needed because 128x* superblocks are divided into 64x* blocks in
+ // raster order
+ if (block_size_wide[bsize] > block_size_wide[BLOCK_64X64] && col_off > 0) {
+ const int plane_bw_unit_64 = mi_size_wide[BLOCK_64X64] >> ss_x;
+ const int col_off_64 = col_off % plane_bw_unit_64;
+ if (col_off_64 == 0) {
+ // We are at the left edge of top-right or bottom-right 64x* block.
+ const int plane_bh_unit_64 = mi_size_high[BLOCK_64X64] >> ss_y;
+ const int row_off_64 = row_off % plane_bh_unit_64;
+ const int plane_bh_unit =
+ AOMMIN(mi_size_high[bsize] >> ss_y, plane_bh_unit_64);
+ // Check if all bottom-left pixels are in the left 64x* block (which is
+ // already coded).
+ return row_off_64 + tx_size_high_unit[txsz] < plane_bh_unit;
+ }
+ }
+
+ if (col_off > 0) {
+ // Bottom-left pixels are in the bottom-left block, which is not available.
+ return 0;
+ } else {
+ const int bh_unit = block_size_high[bsize] >> tx_size_high_log2[0];
+ const int plane_bh_unit = AOMMAX(bh_unit >> ss_y, 1);
+ const int bottom_left_count_unit = tx_size_high_unit[txsz];
+
+ // All bottom-left pixels are in the left block, which is already available.
+ if (row_off + bottom_left_count_unit < plane_bh_unit) return 1;
+
+ const int bw_in_mi_log2 = mi_size_wide_log2[bsize];
+ const int bh_in_mi_log2 = mi_size_high_log2[bsize];
+ const int sb_mi_size = mi_size_high[cm->seq_params.sb_size];
+ const int blk_row_in_sb = (mi_row & (sb_mi_size - 1)) >> bh_in_mi_log2;
+ const int blk_col_in_sb = (mi_col & (sb_mi_size - 1)) >> bw_in_mi_log2;
+
+ // Leftmost column of superblock: so bottom-left pixels maybe in the left
+ // and/or bottom-left superblocks. But only the left superblock is
+ // available, so check if all required pixels fall in that superblock.
+ if (blk_col_in_sb == 0) {
+ const int blk_start_row_off = blk_row_in_sb
+ << (bh_in_mi_log2 + MI_SIZE_LOG2 -
+ tx_size_wide_log2[0]) >>
+ ss_y;
+ const int row_off_in_sb = blk_start_row_off + row_off;
+ const int sb_height_unit = sb_mi_size >> ss_y;
+ return row_off_in_sb + bottom_left_count_unit < sb_height_unit;
+ }
+
+ // Bottom row of superblock (and not the leftmost column): so bottom-left
+ // pixels fall in the bottom superblock, which is not available yet.
+ if (((blk_row_in_sb + 1) << bh_in_mi_log2) >= sb_mi_size) return 0;
+
+ // General case (neither leftmost column nor bottom row): check if the
+ // bottom-left block is coded before the current block.
+ const int this_blk_index =
+ ((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
+ blk_col_in_sb + 0;
+ const int idx1 = this_blk_index / 8;
+ const int idx2 = this_blk_index % 8;
+ const uint8_t *has_bl_table = get_has_bl_table(partition, bsize);
+ return (has_bl_table[idx1] >> idx2) & 1;
+ }
+}
+
+typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
+ const uint8_t *above, const uint8_t *left);
+
+static intra_pred_fn pred[INTRA_MODES][TX_SIZES_ALL];
+static intra_pred_fn dc_pred[2][2][TX_SIZES_ALL];
+
+typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above, const uint16_t *left,
+ int bd);
+static intra_high_pred_fn pred_high[INTRA_MODES][TX_SIZES_ALL];
+static intra_high_pred_fn dc_pred_high[2][2][TX_SIZES_ALL];
+
+static void init_intra_predictors_internal(void) {
+ assert(NELEMENTS(mode_to_angle_map) == INTRA_MODES);
+
+#define INIT_RECTANGULAR(p, type) \
+ p[TX_4X8] = aom_##type##_predictor_4x8; \
+ p[TX_8X4] = aom_##type##_predictor_8x4; \
+ p[TX_8X16] = aom_##type##_predictor_8x16; \
+ p[TX_16X8] = aom_##type##_predictor_16x8; \
+ p[TX_16X32] = aom_##type##_predictor_16x32; \
+ p[TX_32X16] = aom_##type##_predictor_32x16; \
+ p[TX_32X64] = aom_##type##_predictor_32x64; \
+ p[TX_64X32] = aom_##type##_predictor_64x32; \
+ p[TX_4X16] = aom_##type##_predictor_4x16; \
+ p[TX_16X4] = aom_##type##_predictor_16x4; \
+ p[TX_8X32] = aom_##type##_predictor_8x32; \
+ p[TX_32X8] = aom_##type##_predictor_32x8; \
+ p[TX_16X64] = aom_##type##_predictor_16x64; \
+ p[TX_64X16] = aom_##type##_predictor_64x16;
+
+#define INIT_NO_4X4(p, type) \
+ p[TX_8X8] = aom_##type##_predictor_8x8; \
+ p[TX_16X16] = aom_##type##_predictor_16x16; \
+ p[TX_32X32] = aom_##type##_predictor_32x32; \
+ p[TX_64X64] = aom_##type##_predictor_64x64; \
+ INIT_RECTANGULAR(p, type)
+
+#define INIT_ALL_SIZES(p, type) \
+ p[TX_4X4] = aom_##type##_predictor_4x4; \
+ INIT_NO_4X4(p, type)
+
+ INIT_ALL_SIZES(pred[V_PRED], v);
+ INIT_ALL_SIZES(pred[H_PRED], h);
+ INIT_ALL_SIZES(pred[PAETH_PRED], paeth);
+ INIT_ALL_SIZES(pred[SMOOTH_PRED], smooth);
+ INIT_ALL_SIZES(pred[SMOOTH_V_PRED], smooth_v);
+ INIT_ALL_SIZES(pred[SMOOTH_H_PRED], smooth_h);
+ INIT_ALL_SIZES(dc_pred[0][0], dc_128);
+ INIT_ALL_SIZES(dc_pred[0][1], dc_top);
+ INIT_ALL_SIZES(dc_pred[1][0], dc_left);
+ INIT_ALL_SIZES(dc_pred[1][1], dc);
+
+ INIT_ALL_SIZES(pred_high[V_PRED], highbd_v);
+ INIT_ALL_SIZES(pred_high[H_PRED], highbd_h);
+ INIT_ALL_SIZES(pred_high[PAETH_PRED], highbd_paeth);
+ INIT_ALL_SIZES(pred_high[SMOOTH_PRED], highbd_smooth);
+ INIT_ALL_SIZES(pred_high[SMOOTH_V_PRED], highbd_smooth_v);
+ INIT_ALL_SIZES(pred_high[SMOOTH_H_PRED], highbd_smooth_h);
+ INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128);
+ INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top);
+ INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left);
+ INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc);
+#undef intra_pred_allsizes
+}
+
+// Directional prediction, zone 1: 0 < angle < 90
+void av1_dr_prediction_z1_c(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
+ const uint8_t *above, const uint8_t *left,
+ int upsample_above, int dx, int dy) {
+ int r, c, x, base, shift, val;
+
+ (void)left;
+ (void)dy;
+ assert(dy == 1);
+ assert(dx > 0);
+
+ const int max_base_x = ((bw + bh) - 1) << upsample_above;
+ const int frac_bits = 6 - upsample_above;
+ const int base_inc = 1 << upsample_above;
+ x = dx;
+ for (r = 0; r < bh; ++r, dst += stride, x += dx) {
+ base = x >> frac_bits;
+ shift = ((x << upsample_above) & 0x3F) >> 1;
+
+ if (base >= max_base_x) {
+ for (int i = r; i < bh; ++i) {
+ memset(dst, above[max_base_x], bw * sizeof(dst[0]));
+ dst += stride;
+ }
+ return;
+ }
+
+ for (c = 0; c < bw; ++c, base += base_inc) {
+ if (base < max_base_x) {
+ val = above[base] * (32 - shift) + above[base + 1] * shift;
+ dst[c] = ROUND_POWER_OF_TWO(val, 5);
+ } else {
+ dst[c] = above[max_base_x];
+ }
+ }
+ }
+}
+
+// Directional prediction, zone 2: 90 < angle < 180
+void av1_dr_prediction_z2_c(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
+ const uint8_t *above, const uint8_t *left,
+ int upsample_above, int upsample_left, int dx,
+ int dy) {
+ int r, c, x, y, shift1, shift2, val, base1, base2;
+
+ assert(dx > 0);
+ assert(dy > 0);
+
+ const int min_base_x = -(1 << upsample_above);
+ const int frac_bits_x = 6 - upsample_above;
+ const int frac_bits_y = 6 - upsample_left;
+ const int base_inc_x = 1 << upsample_above;
+ x = -dx;
+ for (r = 0; r < bh; ++r, x -= dx, dst += stride) {
+ base1 = x >> frac_bits_x;
+ y = (r << 6) - dy;
+ for (c = 0; c < bw; ++c, base1 += base_inc_x, y -= dy) {
+ if (base1 >= min_base_x) {
+ shift1 = ((x * (1 << upsample_above)) & 0x3F) >> 1;
+ val = above[base1] * (32 - shift1) + above[base1 + 1] * shift1;
+ val = ROUND_POWER_OF_TWO(val, 5);
+ } else {
+ base2 = y >> frac_bits_y;
+ assert(base2 >= -(1 << upsample_left));
+ shift2 = ((y * (1 << upsample_left)) & 0x3F) >> 1;
+ val = left[base2] * (32 - shift2) + left[base2 + 1] * shift2;
+ val = ROUND_POWER_OF_TWO(val, 5);
+ }
+ dst[c] = val;
+ }
+ }
+}
+
+// Directional prediction, zone 3: 180 < angle < 270
+void av1_dr_prediction_z3_c(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
+ const uint8_t *above, const uint8_t *left,
+ int upsample_left, int dx, int dy) {
+ int r, c, y, base, shift, val;
+
+ (void)above;
+ (void)dx;
+
+ assert(dx == 1);
+ assert(dy > 0);
+
+ const int max_base_y = (bw + bh - 1) << upsample_left;
+ const int frac_bits = 6 - upsample_left;
+ const int base_inc = 1 << upsample_left;
+ y = dy;
+ for (c = 0; c < bw; ++c, y += dy) {
+ base = y >> frac_bits;
+ shift = ((y << upsample_left) & 0x3F) >> 1;
+
+ for (r = 0; r < bh; ++r, base += base_inc) {
+ if (base < max_base_y) {
+ val = left[base] * (32 - shift) + left[base + 1] * shift;
+ dst[r * stride + c] = val = ROUND_POWER_OF_TWO(val, 5);
+ } else {
+ for (; r < bh; ++r) dst[r * stride + c] = left[max_base_y];
+ break;
+ }
+ }
+ }
+}
+
+static void dr_predictor(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size,
+ const uint8_t *above, const uint8_t *left,
+ int upsample_above, int upsample_left, int angle) {
+ const int dx = av1_get_dx(angle);
+ const int dy = av1_get_dy(angle);
+ const int bw = tx_size_wide[tx_size];
+ const int bh = tx_size_high[tx_size];
+ assert(angle > 0 && angle < 270);
+
+ if (angle > 0 && angle < 90) {
+ av1_dr_prediction_z1(dst, stride, bw, bh, above, left, upsample_above, dx,
+ dy);
+ } else if (angle > 90 && angle < 180) {
+ av1_dr_prediction_z2(dst, stride, bw, bh, above, left, upsample_above,
+ upsample_left, dx, dy);
+ } else if (angle > 180 && angle < 270) {
+ av1_dr_prediction_z3(dst, stride, bw, bh, above, left, upsample_left, dx,
+ dy);
+ } else if (angle == 90) {
+ pred[V_PRED][tx_size](dst, stride, above, left);
+ } else if (angle == 180) {
+ pred[H_PRED][tx_size](dst, stride, above, left);
+ }
+}
+
+// Directional prediction, zone 1: 0 < angle < 90
+void av1_highbd_dr_prediction_z1_c(uint16_t *dst, ptrdiff_t stride, int bw,
+ int bh, const uint16_t *above,
+ const uint16_t *left, int upsample_above,
+ int dx, int dy, int bd) {
+ int r, c, x, base, shift, val;
+
+ (void)left;
+ (void)dy;
+ (void)bd;
+ assert(dy == 1);
+ assert(dx > 0);
+
+ const int max_base_x = ((bw + bh) - 1) << upsample_above;
+ const int frac_bits = 6 - upsample_above;
+ const int base_inc = 1 << upsample_above;
+ x = dx;
+ for (r = 0; r < bh; ++r, dst += stride, x += dx) {
+ base = x >> frac_bits;
+ shift = ((x << upsample_above) & 0x3F) >> 1;
+
+ if (base >= max_base_x) {
+ for (int i = r; i < bh; ++i) {
+ aom_memset16(dst, above[max_base_x], bw);
+ dst += stride;
+ }
+ return;
+ }
+
+ for (c = 0; c < bw; ++c, base += base_inc) {
+ if (base < max_base_x) {
+ val = above[base] * (32 - shift) + above[base + 1] * shift;
+ dst[c] = ROUND_POWER_OF_TWO(val, 5);
+ } else {
+ dst[c] = above[max_base_x];
+ }
+ }
+ }
+}
+
+// Directional prediction, zone 2: 90 < angle < 180
+void av1_highbd_dr_prediction_z2_c(uint16_t *dst, ptrdiff_t stride, int bw,
+ int bh, const uint16_t *above,
+ const uint16_t *left, int upsample_above,
+ int upsample_left, int dx, int dy, int bd) {
+ int r, c, x, y, shift, val, base;
+
+ (void)bd;
+ assert(dx > 0);
+ assert(dy > 0);
+
+ const int min_base_x = -(1 << upsample_above);
+ const int frac_bits_x = 6 - upsample_above;
+ const int frac_bits_y = 6 - upsample_left;
+ for (r = 0; r < bh; ++r) {
+ for (c = 0; c < bw; ++c) {
+ y = r + 1;
+ x = (c << 6) - y * dx;
+ base = x >> frac_bits_x;
+ if (base >= min_base_x) {
+ shift = ((x * (1 << upsample_above)) & 0x3F) >> 1;
+ val = above[base] * (32 - shift) + above[base + 1] * shift;
+ val = ROUND_POWER_OF_TWO(val, 5);
+ } else {
+ x = c + 1;
+ y = (r << 6) - x * dy;
+ base = y >> frac_bits_y;
+ shift = ((y * (1 << upsample_left)) & 0x3F) >> 1;
+ val = left[base] * (32 - shift) + left[base + 1] * shift;
+ val = ROUND_POWER_OF_TWO(val, 5);
+ }
+ dst[c] = val;
+ }
+ dst += stride;
+ }
+}
+
+// Directional prediction, zone 3: 180 < angle < 270
+void av1_highbd_dr_prediction_z3_c(uint16_t *dst, ptrdiff_t stride, int bw,
+ int bh, const uint16_t *above,
+ const uint16_t *left, int upsample_left,
+ int dx, int dy, int bd) {
+ int r, c, y, base, shift, val;
+
+ (void)above;
+ (void)dx;
+ (void)bd;
+ assert(dx == 1);
+ assert(dy > 0);
+
+ const int max_base_y = (bw + bh - 1) << upsample_left;
+ const int frac_bits = 6 - upsample_left;
+ const int base_inc = 1 << upsample_left;
+ y = dy;
+ for (c = 0; c < bw; ++c, y += dy) {
+ base = y >> frac_bits;
+ shift = ((y << upsample_left) & 0x3F) >> 1;
+
+ for (r = 0; r < bh; ++r, base += base_inc) {
+ if (base < max_base_y) {
+ val = left[base] * (32 - shift) + left[base + 1] * shift;
+ dst[r * stride + c] = ROUND_POWER_OF_TWO(val, 5);
+ } else {
+ for (; r < bh; ++r) dst[r * stride + c] = left[max_base_y];
+ break;
+ }
+ }
+ }
+}
+
+static void highbd_dr_predictor(uint16_t *dst, ptrdiff_t stride,
+ TX_SIZE tx_size, const uint16_t *above,
+ const uint16_t *left, int upsample_above,
+ int upsample_left, int angle, int bd) {
+ const int dx = av1_get_dx(angle);
+ const int dy = av1_get_dy(angle);
+ const int bw = tx_size_wide[tx_size];
+ const int bh = tx_size_high[tx_size];
+ assert(angle > 0 && angle < 270);
+
+ if (angle > 0 && angle < 90) {
+ av1_highbd_dr_prediction_z1(dst, stride, bw, bh, above, left,
+ upsample_above, dx, dy, bd);
+ } else if (angle > 90 && angle < 180) {
+ av1_highbd_dr_prediction_z2(dst, stride, bw, bh, above, left,
+ upsample_above, upsample_left, dx, dy, bd);
+ } else if (angle > 180 && angle < 270) {
+ av1_highbd_dr_prediction_z3(dst, stride, bw, bh, above, left, upsample_left,
+ dx, dy, bd);
+ } else if (angle == 90) {
+ pred_high[V_PRED][tx_size](dst, stride, above, left, bd);
+ } else if (angle == 180) {
+ pred_high[H_PRED][tx_size](dst, stride, above, left, bd);
+ }
+}
+
+DECLARE_ALIGNED(16, const int8_t,
+ av1_filter_intra_taps[FILTER_INTRA_MODES][8][8]) = {
+ {
+ { -6, 10, 0, 0, 0, 12, 0, 0 },
+ { -5, 2, 10, 0, 0, 9, 0, 0 },
+ { -3, 1, 1, 10, 0, 7, 0, 0 },
+ { -3, 1, 1, 2, 10, 5, 0, 0 },
+ { -4, 6, 0, 0, 0, 2, 12, 0 },
+ { -3, 2, 6, 0, 0, 2, 9, 0 },
+ { -3, 2, 2, 6, 0, 2, 7, 0 },
+ { -3, 1, 2, 2, 6, 3, 5, 0 },
+ },
+ {
+ { -10, 16, 0, 0, 0, 10, 0, 0 },
+ { -6, 0, 16, 0, 0, 6, 0, 0 },
+ { -4, 0, 0, 16, 0, 4, 0, 0 },
+ { -2, 0, 0, 0, 16, 2, 0, 0 },
+ { -10, 16, 0, 0, 0, 0, 10, 0 },
+ { -6, 0, 16, 0, 0, 0, 6, 0 },
+ { -4, 0, 0, 16, 0, 0, 4, 0 },
+ { -2, 0, 0, 0, 16, 0, 2, 0 },
+ },
+ {
+ { -8, 8, 0, 0, 0, 16, 0, 0 },
+ { -8, 0, 8, 0, 0, 16, 0, 0 },
+ { -8, 0, 0, 8, 0, 16, 0, 0 },
+ { -8, 0, 0, 0, 8, 16, 0, 0 },
+ { -4, 4, 0, 0, 0, 0, 16, 0 },
+ { -4, 0, 4, 0, 0, 0, 16, 0 },
+ { -4, 0, 0, 4, 0, 0, 16, 0 },
+ { -4, 0, 0, 0, 4, 0, 16, 0 },
+ },
+ {
+ { -2, 8, 0, 0, 0, 10, 0, 0 },
+ { -1, 3, 8, 0, 0, 6, 0, 0 },
+ { -1, 2, 3, 8, 0, 4, 0, 0 },
+ { 0, 1, 2, 3, 8, 2, 0, 0 },
+ { -1, 4, 0, 0, 0, 3, 10, 0 },
+ { -1, 3, 4, 0, 0, 4, 6, 0 },
+ { -1, 2, 3, 4, 0, 4, 4, 0 },
+ { -1, 2, 2, 3, 4, 3, 3, 0 },
+ },
+ {
+ { -12, 14, 0, 0, 0, 14, 0, 0 },
+ { -10, 0, 14, 0, 0, 12, 0, 0 },
+ { -9, 0, 0, 14, 0, 11, 0, 0 },
+ { -8, 0, 0, 0, 14, 10, 0, 0 },
+ { -10, 12, 0, 0, 0, 0, 14, 0 },
+ { -9, 1, 12, 0, 0, 0, 12, 0 },
+ { -8, 0, 0, 12, 0, 1, 11, 0 },
+ { -7, 0, 0, 1, 12, 1, 9, 0 },
+ },
+};
+
+void av1_filter_intra_predictor_c(uint8_t *dst, ptrdiff_t stride,
+ TX_SIZE tx_size, const uint8_t *above,
+ const uint8_t *left, int mode) {
+ int r, c;
+ uint8_t buffer[33][33];
+ const int bw = tx_size_wide[tx_size];
+ const int bh = tx_size_high[tx_size];
+
+ assert(bw <= 32 && bh <= 32);
+
+ // The initialization is just for silencing Jenkins static analysis warnings
+ for (r = 0; r < bh + 1; ++r)
+ memset(buffer[r], 0, (bw + 1) * sizeof(buffer[0][0]));
+
+ for (r = 0; r < bh; ++r) buffer[r + 1][0] = left[r];
+ memcpy(buffer[0], &above[-1], (bw + 1) * sizeof(uint8_t));
+
+ for (r = 1; r < bh + 1; r += 2)
+ for (c = 1; c < bw + 1; c += 4) {
+ const uint8_t p0 = buffer[r - 1][c - 1];
+ const uint8_t p1 = buffer[r - 1][c];
+ const uint8_t p2 = buffer[r - 1][c + 1];
+ const uint8_t p3 = buffer[r - 1][c + 2];
+ const uint8_t p4 = buffer[r - 1][c + 3];
+ const uint8_t p5 = buffer[r][c - 1];
+ const uint8_t p6 = buffer[r + 1][c - 1];
+ for (int k = 0; k < 8; ++k) {
+ int r_offset = k >> 2;
+ int c_offset = k & 0x03;
+ buffer[r + r_offset][c + c_offset] =
+ clip_pixel(ROUND_POWER_OF_TWO_SIGNED(
+ av1_filter_intra_taps[mode][k][0] * p0 +
+ av1_filter_intra_taps[mode][k][1] * p1 +
+ av1_filter_intra_taps[mode][k][2] * p2 +
+ av1_filter_intra_taps[mode][k][3] * p3 +
+ av1_filter_intra_taps[mode][k][4] * p4 +
+ av1_filter_intra_taps[mode][k][5] * p5 +
+ av1_filter_intra_taps[mode][k][6] * p6,
+ FILTER_INTRA_SCALE_BITS));
+ }
+ }
+
+ for (r = 0; r < bh; ++r) {
+ memcpy(dst, &buffer[r + 1][1], bw * sizeof(uint8_t));
+ dst += stride;
+ }
+}
+
+static void highbd_filter_intra_predictor(uint16_t *dst, ptrdiff_t stride,
+ TX_SIZE tx_size,
+ const uint16_t *above,
+ const uint16_t *left, int mode,
+ int bd) {
+ int r, c;
+ uint16_t buffer[33][33];
+ const int bw = tx_size_wide[tx_size];
+ const int bh = tx_size_high[tx_size];
+
+ assert(bw <= 32 && bh <= 32);
+
+ // The initialization is just for silencing Jenkins static analysis warnings
+ for (r = 0; r < bh + 1; ++r)
+ memset(buffer[r], 0, (bw + 1) * sizeof(buffer[0][0]));
+
+ for (r = 0; r < bh; ++r) buffer[r + 1][0] = left[r];
+ memcpy(buffer[0], &above[-1], (bw + 1) * sizeof(buffer[0][0]));
+
+ for (r = 1; r < bh + 1; r += 2)
+ for (c = 1; c < bw + 1; c += 4) {
+ const uint16_t p0 = buffer[r - 1][c - 1];
+ const uint16_t p1 = buffer[r - 1][c];
+ const uint16_t p2 = buffer[r - 1][c + 1];
+ const uint16_t p3 = buffer[r - 1][c + 2];
+ const uint16_t p4 = buffer[r - 1][c + 3];
+ const uint16_t p5 = buffer[r][c - 1];
+ const uint16_t p6 = buffer[r + 1][c - 1];
+ for (int k = 0; k < 8; ++k) {
+ int r_offset = k >> 2;
+ int c_offset = k & 0x03;
+ buffer[r + r_offset][c + c_offset] =
+ clip_pixel_highbd(ROUND_POWER_OF_TWO_SIGNED(
+ av1_filter_intra_taps[mode][k][0] * p0 +
+ av1_filter_intra_taps[mode][k][1] * p1 +
+ av1_filter_intra_taps[mode][k][2] * p2 +
+ av1_filter_intra_taps[mode][k][3] * p3 +
+ av1_filter_intra_taps[mode][k][4] * p4 +
+ av1_filter_intra_taps[mode][k][5] * p5 +
+ av1_filter_intra_taps[mode][k][6] * p6,
+ FILTER_INTRA_SCALE_BITS),
+ bd);
+ }
+ }
+
+ for (r = 0; r < bh; ++r) {
+ memcpy(dst, &buffer[r + 1][1], bw * sizeof(dst[0]));
+ dst += stride;
+ }
+}
+
+static int is_smooth(const MB_MODE_INFO *mbmi, int plane) {
+ if (plane == 0) {
+ const PREDICTION_MODE mode = mbmi->mode;
+ return (mode == SMOOTH_PRED || mode == SMOOTH_V_PRED ||
+ mode == SMOOTH_H_PRED);
+ } else {
+ // uv_mode is not set for inter blocks, so need to explicitly
+ // detect that case.
+ if (is_inter_block(mbmi)) return 0;
+
+ const UV_PREDICTION_MODE uv_mode = mbmi->uv_mode;
+ return (uv_mode == UV_SMOOTH_PRED || uv_mode == UV_SMOOTH_V_PRED ||
+ uv_mode == UV_SMOOTH_H_PRED);
+ }
+}
+
+static int get_filt_type(const MACROBLOCKD *xd, int plane) {
+ int ab_sm, le_sm;
+
+ if (plane == 0) {
+ const MB_MODE_INFO *ab = xd->above_mbmi;
+ const MB_MODE_INFO *le = xd->left_mbmi;
+ ab_sm = ab ? is_smooth(ab, plane) : 0;
+ le_sm = le ? is_smooth(le, plane) : 0;
+ } else {
+ const MB_MODE_INFO *ab = xd->chroma_above_mbmi;
+ const MB_MODE_INFO *le = xd->chroma_left_mbmi;
+ ab_sm = ab ? is_smooth(ab, plane) : 0;
+ le_sm = le ? is_smooth(le, plane) : 0;
+ }
+
+ return (ab_sm || le_sm) ? 1 : 0;
+}
+
+static int intra_edge_filter_strength(int bs0, int bs1, int delta, int type) {
+ const int d = abs(delta);
+ int strength = 0;
+
+ const int blk_wh = bs0 + bs1;
+ if (type == 0) {
+ if (blk_wh <= 8) {
+ if (d >= 56) strength = 1;
+ } else if (blk_wh <= 12) {
+ if (d >= 40) strength = 1;
+ } else if (blk_wh <= 16) {
+ if (d >= 40) strength = 1;
+ } else if (blk_wh <= 24) {
+ if (d >= 8) strength = 1;
+ if (d >= 16) strength = 2;
+ if (d >= 32) strength = 3;
+ } else if (blk_wh <= 32) {
+ if (d >= 1) strength = 1;
+ if (d >= 4) strength = 2;
+ if (d >= 32) strength = 3;
+ } else {
+ if (d >= 1) strength = 3;
+ }
+ } else {
+ if (blk_wh <= 8) {
+ if (d >= 40) strength = 1;
+ if (d >= 64) strength = 2;
+ } else if (blk_wh <= 16) {
+ if (d >= 20) strength = 1;
+ if (d >= 48) strength = 2;
+ } else if (blk_wh <= 24) {
+ if (d >= 4) strength = 3;
+ } else {
+ if (d >= 1) strength = 3;
+ }
+ }
+ return strength;
+}
+
+void av1_filter_intra_edge_c(uint8_t *p, int sz, int strength) {
+ if (!strength) return;
+
+ const int kernel[INTRA_EDGE_FILT][INTRA_EDGE_TAPS] = {
+ { 0, 4, 8, 4, 0 }, { 0, 5, 6, 5, 0 }, { 2, 4, 4, 4, 2 }
+ };
+ const int filt = strength - 1;
+ uint8_t edge[129];
+
+ memcpy(edge, p, sz * sizeof(*p));
+ for (int i = 1; i < sz; i++) {
+ int s = 0;
+ for (int j = 0; j < INTRA_EDGE_TAPS; j++) {
+ int k = i - 2 + j;
+ k = (k < 0) ? 0 : k;
+ k = (k > sz - 1) ? sz - 1 : k;
+ s += edge[k] * kernel[filt][j];
+ }
+ s = (s + 8) >> 4;
+ p[i] = s;
+ }
+}
+
+static void filter_intra_edge_corner(uint8_t *p_above, uint8_t *p_left) {
+ const int kernel[3] = { 5, 6, 5 };
+
+ int s = (p_left[0] * kernel[0]) + (p_above[-1] * kernel[1]) +
+ (p_above[0] * kernel[2]);
+ s = (s + 8) >> 4;
+ p_above[-1] = s;
+ p_left[-1] = s;
+}
+
+void av1_filter_intra_edge_high_c(uint16_t *p, int sz, int strength) {
+ if (!strength) return;
+
+ const int kernel[INTRA_EDGE_FILT][INTRA_EDGE_TAPS] = {
+ { 0, 4, 8, 4, 0 }, { 0, 5, 6, 5, 0 }, { 2, 4, 4, 4, 2 }
+ };
+ const int filt = strength - 1;
+ uint16_t edge[129];
+
+ memcpy(edge, p, sz * sizeof(*p));
+ for (int i = 1; i < sz; i++) {
+ int s = 0;
+ for (int j = 0; j < INTRA_EDGE_TAPS; j++) {
+ int k = i - 2 + j;
+ k = (k < 0) ? 0 : k;
+ k = (k > sz - 1) ? sz - 1 : k;
+ s += edge[k] * kernel[filt][j];
+ }
+ s = (s + 8) >> 4;
+ p[i] = s;
+ }
+}
+
+static void filter_intra_edge_corner_high(uint16_t *p_above, uint16_t *p_left) {
+ const int kernel[3] = { 5, 6, 5 };
+
+ int s = (p_left[0] * kernel[0]) + (p_above[-1] * kernel[1]) +
+ (p_above[0] * kernel[2]);
+ s = (s + 8) >> 4;
+ p_above[-1] = s;
+ p_left[-1] = s;
+}
+
+void av1_upsample_intra_edge_c(uint8_t *p, int sz) {
+ // interpolate half-sample positions
+ assert(sz <= MAX_UPSAMPLE_SZ);
+
+ uint8_t in[MAX_UPSAMPLE_SZ + 3];
+ // copy p[-1..(sz-1)] and extend first and last samples
+ in[0] = p[-1];
+ in[1] = p[-1];
+ for (int i = 0; i < sz; i++) {
+ in[i + 2] = p[i];
+ }
+ in[sz + 2] = p[sz - 1];
+
+ // interpolate half-sample edge positions
+ p[-2] = in[0];
+ for (int i = 0; i < sz; i++) {
+ int s = -in[i] + (9 * in[i + 1]) + (9 * in[i + 2]) - in[i + 3];
+ s = clip_pixel((s + 8) >> 4);
+ p[2 * i - 1] = s;
+ p[2 * i] = in[i + 2];
+ }
+}
+
+void av1_upsample_intra_edge_high_c(uint16_t *p, int sz, int bd) {
+ // interpolate half-sample positions
+ assert(sz <= MAX_UPSAMPLE_SZ);
+
+ uint16_t in[MAX_UPSAMPLE_SZ + 3];
+ // copy p[-1..(sz-1)] and extend first and last samples
+ in[0] = p[-1];
+ in[1] = p[-1];
+ for (int i = 0; i < sz; i++) {
+ in[i + 2] = p[i];
+ }
+ in[sz + 2] = p[sz - 1];
+
+ // interpolate half-sample edge positions
+ p[-2] = in[0];
+ for (int i = 0; i < sz; i++) {
+ int s = -in[i] + (9 * in[i + 1]) + (9 * in[i + 2]) - in[i + 3];
+ s = (s + 8) >> 4;
+ s = clip_pixel_highbd(s, bd);
+ p[2 * i - 1] = s;
+ p[2 * i] = in[i + 2];
+ }
+}
+
+static void build_intra_predictors_high(
+ const MACROBLOCKD *xd, const uint8_t *ref8, int ref_stride, uint8_t *dst8,
+ int dst_stride, PREDICTION_MODE mode, int angle_delta,
+ FILTER_INTRA_MODE filter_intra_mode, TX_SIZE tx_size,
+ int disable_edge_filter, int n_top_px, int n_topright_px, int n_left_px,
+ int n_bottomleft_px, int plane) {
+ int i;
+ uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+ DECLARE_ALIGNED(16, uint16_t, left_data[MAX_TX_SIZE * 2 + 32]);
+ DECLARE_ALIGNED(16, uint16_t, above_data[MAX_TX_SIZE * 2 + 32]);
+ uint16_t *const above_row = above_data + 16;
+ uint16_t *const left_col = left_data + 16;
+ const int txwpx = tx_size_wide[tx_size];
+ const int txhpx = tx_size_high[tx_size];
+ int need_left = extend_modes[mode] & NEED_LEFT;
+ int need_above = extend_modes[mode] & NEED_ABOVE;
+ int need_above_left = extend_modes[mode] & NEED_ABOVELEFT;
+ const uint16_t *above_ref = ref - ref_stride;
+ const uint16_t *left_ref = ref - 1;
+ int p_angle = 0;
+ const int is_dr_mode = av1_is_directional_mode(mode);
+ const int use_filter_intra = filter_intra_mode != FILTER_INTRA_MODES;
+ int base = 128 << (xd->bd - 8);
+
+ // The default values if ref pixels are not available:
+ // base-1 base-1 base-1 .. base-1 base-1 base-1 base-1 base-1 base-1
+ // base+1 A B .. Y Z
+ // base+1 C D .. W X
+ // base+1 E F .. U V
+ // base+1 G H .. S T T T T T
+
+ if (is_dr_mode) {
+ p_angle = mode_to_angle_map[mode] + angle_delta;
+ if (p_angle <= 90)
+ need_above = 1, need_left = 0, need_above_left = 1;
+ else if (p_angle < 180)
+ need_above = 1, need_left = 1, need_above_left = 1;
+ else
+ need_above = 0, need_left = 1, need_above_left = 1;
+ }
+ if (use_filter_intra) need_left = need_above = need_above_left = 1;
+
+ assert(n_top_px >= 0);
+ assert(n_topright_px >= 0);
+ assert(n_left_px >= 0);
+ assert(n_bottomleft_px >= 0);
+
+ if ((!need_above && n_left_px == 0) || (!need_left && n_top_px == 0)) {
+ int val;
+ if (need_left) {
+ val = (n_top_px > 0) ? above_ref[0] : base + 1;
+ } else {
+ val = (n_left_px > 0) ? left_ref[0] : base - 1;
+ }
+ for (i = 0; i < txhpx; ++i) {
+ aom_memset16(dst, val, txwpx);
+ dst += dst_stride;
+ }
+ return;
+ }
+
+ // NEED_LEFT
+ if (need_left) {
+ int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
+ if (use_filter_intra) need_bottom = 0;
+ if (is_dr_mode) need_bottom = p_angle > 180;
+ const int num_left_pixels_needed = txhpx + (need_bottom ? txwpx : 0);
+ i = 0;
+ if (n_left_px > 0) {
+ for (; i < n_left_px; i++) left_col[i] = left_ref[i * ref_stride];
+ if (need_bottom && n_bottomleft_px > 0) {
+ assert(i == txhpx);
+ for (; i < txhpx + n_bottomleft_px; i++)
+ left_col[i] = left_ref[i * ref_stride];
+ }
+ if (i < num_left_pixels_needed)
+ aom_memset16(&left_col[i], left_col[i - 1], num_left_pixels_needed - i);
+ } else {
+ if (n_top_px > 0) {
+ aom_memset16(left_col, above_ref[0], num_left_pixels_needed);
+ } else {
+ aom_memset16(left_col, base + 1, num_left_pixels_needed);
+ }
+ }
+ }
+
+ // NEED_ABOVE
+ if (need_above) {
+ int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
+ if (use_filter_intra) need_right = 0;
+ if (is_dr_mode) need_right = p_angle < 90;
+ const int num_top_pixels_needed = txwpx + (need_right ? txhpx : 0);
+ if (n_top_px > 0) {
+ memcpy(above_row, above_ref, n_top_px * sizeof(above_ref[0]));
+ i = n_top_px;
+ if (need_right && n_topright_px > 0) {
+ assert(n_top_px == txwpx);
+ memcpy(above_row + txwpx, above_ref + txwpx,
+ n_topright_px * sizeof(above_ref[0]));
+ i += n_topright_px;
+ }
+ if (i < num_top_pixels_needed)
+ aom_memset16(&above_row[i], above_row[i - 1],
+ num_top_pixels_needed - i);
+ } else {
+ if (n_left_px > 0) {
+ aom_memset16(above_row, left_ref[0], num_top_pixels_needed);
+ } else {
+ aom_memset16(above_row, base - 1, num_top_pixels_needed);
+ }
+ }
+ }
+
+ if (need_above_left) {
+ if (n_top_px > 0 && n_left_px > 0) {
+ above_row[-1] = above_ref[-1];
+ } else if (n_top_px > 0) {
+ above_row[-1] = above_ref[0];
+ } else if (n_left_px > 0) {
+ above_row[-1] = left_ref[0];
+ } else {
+ above_row[-1] = base;
+ }
+ left_col[-1] = above_row[-1];
+ }
+
+ if (use_filter_intra) {
+ highbd_filter_intra_predictor(dst, dst_stride, tx_size, above_row, left_col,
+ filter_intra_mode, xd->bd);
+ return;
+ }
+
+ if (is_dr_mode) {
+ int upsample_above = 0;
+ int upsample_left = 0;
+ if (!disable_edge_filter) {
+ const int need_right = p_angle < 90;
+ const int need_bottom = p_angle > 180;
+ const int filt_type = get_filt_type(xd, plane);
+ if (p_angle != 90 && p_angle != 180) {
+ const int ab_le = need_above_left ? 1 : 0;
+ if (need_above && need_left && (txwpx + txhpx >= 24)) {
+ filter_intra_edge_corner_high(above_row, left_col);
+ }
+ if (need_above && n_top_px > 0) {
+ const int strength =
+ intra_edge_filter_strength(txwpx, txhpx, p_angle - 90, filt_type);
+ const int n_px = n_top_px + ab_le + (need_right ? txhpx : 0);
+ av1_filter_intra_edge_high(above_row - ab_le, n_px, strength);
+ }
+ if (need_left && n_left_px > 0) {
+ const int strength = intra_edge_filter_strength(
+ txhpx, txwpx, p_angle - 180, filt_type);
+ const int n_px = n_left_px + ab_le + (need_bottom ? txwpx : 0);
+ av1_filter_intra_edge_high(left_col - ab_le, n_px, strength);
+ }
+ }
+ upsample_above =
+ av1_use_intra_edge_upsample(txwpx, txhpx, p_angle - 90, filt_type);
+ if (need_above && upsample_above) {
+ const int n_px = txwpx + (need_right ? txhpx : 0);
+ av1_upsample_intra_edge_high(above_row, n_px, xd->bd);
+ }
+ upsample_left =
+ av1_use_intra_edge_upsample(txhpx, txwpx, p_angle - 180, filt_type);
+ if (need_left && upsample_left) {
+ const int n_px = txhpx + (need_bottom ? txwpx : 0);
+ av1_upsample_intra_edge_high(left_col, n_px, xd->bd);
+ }
+ }
+ highbd_dr_predictor(dst, dst_stride, tx_size, above_row, left_col,
+ upsample_above, upsample_left, p_angle, xd->bd);
+ return;
+ }
+
+ // predict
+ if (mode == DC_PRED) {
+ dc_pred_high[n_left_px > 0][n_top_px > 0][tx_size](
+ dst, dst_stride, above_row, left_col, xd->bd);
+ } else {
+ pred_high[mode][tx_size](dst, dst_stride, above_row, left_col, xd->bd);
+ }
+}
+
+static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref,
+ int ref_stride, uint8_t *dst, int dst_stride,
+ PREDICTION_MODE mode, int angle_delta,
+ FILTER_INTRA_MODE filter_intra_mode,
+ TX_SIZE tx_size, int disable_edge_filter,
+ int n_top_px, int n_topright_px,
+ int n_left_px, int n_bottomleft_px,
+ int plane) {
+ int i;
+ const uint8_t *above_ref = ref - ref_stride;
+ const uint8_t *left_ref = ref - 1;
+ DECLARE_ALIGNED(16, uint8_t, left_data[MAX_TX_SIZE * 2 + 32]);
+ DECLARE_ALIGNED(16, uint8_t, above_data[MAX_TX_SIZE * 2 + 32]);
+ uint8_t *const above_row = above_data + 16;
+ uint8_t *const left_col = left_data + 16;
+ const int txwpx = tx_size_wide[tx_size];
+ const int txhpx = tx_size_high[tx_size];
+ int need_left = extend_modes[mode] & NEED_LEFT;
+ int need_above = extend_modes[mode] & NEED_ABOVE;
+ int need_above_left = extend_modes[mode] & NEED_ABOVELEFT;
+ int p_angle = 0;
+ const int is_dr_mode = av1_is_directional_mode(mode);
+ const int use_filter_intra = filter_intra_mode != FILTER_INTRA_MODES;
+
+ // The default values if ref pixels are not available:
+ // 127 127 127 .. 127 127 127 127 127 127
+ // 129 A B .. Y Z
+ // 129 C D .. W X
+ // 129 E F .. U V
+ // 129 G H .. S T T T T T
+ // ..
+
+ if (is_dr_mode) {
+ p_angle = mode_to_angle_map[mode] + angle_delta;
+ if (p_angle <= 90)
+ need_above = 1, need_left = 0, need_above_left = 1;
+ else if (p_angle < 180)
+ need_above = 1, need_left = 1, need_above_left = 1;
+ else
+ need_above = 0, need_left = 1, need_above_left = 1;
+ }
+ if (use_filter_intra) need_left = need_above = need_above_left = 1;
+
+ assert(n_top_px >= 0);
+ assert(n_topright_px >= 0);
+ assert(n_left_px >= 0);
+ assert(n_bottomleft_px >= 0);
+
+ if ((!need_above && n_left_px == 0) || (!need_left && n_top_px == 0)) {
+ int val;
+ if (need_left) {
+ val = (n_top_px > 0) ? above_ref[0] : 129;
+ } else {
+ val = (n_left_px > 0) ? left_ref[0] : 127;
+ }
+ for (i = 0; i < txhpx; ++i) {
+ memset(dst, val, txwpx);
+ dst += dst_stride;
+ }
+ return;
+ }
+
+ // NEED_LEFT
+ if (need_left) {
+ int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
+ if (use_filter_intra) need_bottom = 0;
+ if (is_dr_mode) need_bottom = p_angle > 180;
+ const int num_left_pixels_needed = txhpx + (need_bottom ? txwpx : 0);
+ i = 0;
+ if (n_left_px > 0) {
+ for (; i < n_left_px; i++) left_col[i] = left_ref[i * ref_stride];
+ if (need_bottom && n_bottomleft_px > 0) {
+ assert(i == txhpx);
+ for (; i < txhpx + n_bottomleft_px; i++)
+ left_col[i] = left_ref[i * ref_stride];
+ }
+ if (i < num_left_pixels_needed)
+ memset(&left_col[i], left_col[i - 1], num_left_pixels_needed - i);
+ } else {
+ if (n_top_px > 0) {
+ memset(left_col, above_ref[0], num_left_pixels_needed);
+ } else {
+ memset(left_col, 129, num_left_pixels_needed);
+ }
+ }
+ }
+
+ // NEED_ABOVE
+ if (need_above) {
+ int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
+ if (use_filter_intra) need_right = 0;
+ if (is_dr_mode) need_right = p_angle < 90;
+ const int num_top_pixels_needed = txwpx + (need_right ? txhpx : 0);
+ if (n_top_px > 0) {
+ memcpy(above_row, above_ref, n_top_px);
+ i = n_top_px;
+ if (need_right && n_topright_px > 0) {
+ assert(n_top_px == txwpx);
+ memcpy(above_row + txwpx, above_ref + txwpx, n_topright_px);
+ i += n_topright_px;
+ }
+ if (i < num_top_pixels_needed)
+ memset(&above_row[i], above_row[i - 1], num_top_pixels_needed - i);
+ } else {
+ if (n_left_px > 0) {
+ memset(above_row, left_ref[0], num_top_pixels_needed);
+ } else {
+ memset(above_row, 127, num_top_pixels_needed);
+ }
+ }
+ }
+
+ if (need_above_left) {
+ if (n_top_px > 0 && n_left_px > 0) {
+ above_row[-1] = above_ref[-1];
+ } else if (n_top_px > 0) {
+ above_row[-1] = above_ref[0];
+ } else if (n_left_px > 0) {
+ above_row[-1] = left_ref[0];
+ } else {
+ above_row[-1] = 128;
+ }
+ left_col[-1] = above_row[-1];
+ }
+
+ if (use_filter_intra) {
+ av1_filter_intra_predictor(dst, dst_stride, tx_size, above_row, left_col,
+ filter_intra_mode);
+ return;
+ }
+
+ if (is_dr_mode) {
+ int upsample_above = 0;
+ int upsample_left = 0;
+ if (!disable_edge_filter) {
+ const int need_right = p_angle < 90;
+ const int need_bottom = p_angle > 180;
+ const int filt_type = get_filt_type(xd, plane);
+ if (p_angle != 90 && p_angle != 180) {
+ const int ab_le = need_above_left ? 1 : 0;
+ if (need_above && need_left && (txwpx + txhpx >= 24)) {
+ filter_intra_edge_corner(above_row, left_col);
+ }
+ if (need_above && n_top_px > 0) {
+ const int strength =
+ intra_edge_filter_strength(txwpx, txhpx, p_angle - 90, filt_type);
+ const int n_px = n_top_px + ab_le + (need_right ? txhpx : 0);
+ av1_filter_intra_edge(above_row - ab_le, n_px, strength);
+ }
+ if (need_left && n_left_px > 0) {
+ const int strength = intra_edge_filter_strength(
+ txhpx, txwpx, p_angle - 180, filt_type);
+ const int n_px = n_left_px + ab_le + (need_bottom ? txwpx : 0);
+ av1_filter_intra_edge(left_col - ab_le, n_px, strength);
+ }
+ }
+ upsample_above =
+ av1_use_intra_edge_upsample(txwpx, txhpx, p_angle - 90, filt_type);
+ if (need_above && upsample_above) {
+ const int n_px = txwpx + (need_right ? txhpx : 0);
+ av1_upsample_intra_edge(above_row, n_px);
+ }
+ upsample_left =
+ av1_use_intra_edge_upsample(txhpx, txwpx, p_angle - 180, filt_type);
+ if (need_left && upsample_left) {
+ const int n_px = txhpx + (need_bottom ? txwpx : 0);
+ av1_upsample_intra_edge(left_col, n_px);
+ }
+ }
+ dr_predictor(dst, dst_stride, tx_size, above_row, left_col, upsample_above,
+ upsample_left, p_angle);
+ return;
+ }
+
+ // predict
+ if (mode == DC_PRED) {
+ dc_pred[n_left_px > 0][n_top_px > 0][tx_size](dst, dst_stride, above_row,
+ left_col);
+ } else {
+ pred[mode][tx_size](dst, dst_stride, above_row, left_col);
+ }
+}
+
+void av1_predict_intra_block(
+ const AV1_COMMON *cm, const MACROBLOCKD *xd, int wpx, int hpx,
+ TX_SIZE tx_size, PREDICTION_MODE mode, int angle_delta, int use_palette,
+ FILTER_INTRA_MODE filter_intra_mode, const uint8_t *ref, int ref_stride,
+ uint8_t *dst, int dst_stride, int col_off, int row_off, int plane) {
+ const MB_MODE_INFO *const mbmi = xd->mi[0];
+ const int txwpx = tx_size_wide[tx_size];
+ const int txhpx = tx_size_high[tx_size];
+ const int x = col_off << tx_size_wide_log2[0];
+ const int y = row_off << tx_size_high_log2[0];
+
+ if (use_palette) {
+ int r, c;
+ const uint8_t *const map = xd->plane[plane != 0].color_index_map +
+ xd->color_index_map_offset[plane != 0];
+ const uint16_t *const palette =
+ mbmi->palette_mode_info.palette_colors + plane * PALETTE_MAX_SIZE;
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (r = 0; r < txhpx; ++r) {
+ for (c = 0; c < txwpx; ++c) {
+ dst16[r * dst_stride + c] = palette[map[(r + y) * wpx + c + x]];
+ }
+ }
+ } else {
+ for (r = 0; r < txhpx; ++r) {
+ for (c = 0; c < txwpx; ++c) {
+ dst[r * dst_stride + c] =
+ (uint8_t)palette[map[(r + y) * wpx + c + x]];
+ }
+ }
+ }
+ return;
+ }
+
+ BLOCK_SIZE bsize = mbmi->sb_type;
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int txw = tx_size_wide_unit[tx_size];
+ const int txh = tx_size_high_unit[tx_size];
+ const int have_top = row_off || (pd->subsampling_y ? xd->chroma_up_available
+ : xd->up_available);
+ const int have_left =
+ col_off ||
+ (pd->subsampling_x ? xd->chroma_left_available : xd->left_available);
+ const int mi_row = -xd->mb_to_top_edge >> (3 + MI_SIZE_LOG2);
+ const int mi_col = -xd->mb_to_left_edge >> (3 + MI_SIZE_LOG2);
+ const int xr_chr_offset = 0;
+ const int yd_chr_offset = 0;
+
+ // Distance between the right edge of this prediction block to
+ // the frame right edge
+ const int xr = (xd->mb_to_right_edge >> (3 + pd->subsampling_x)) +
+ (wpx - x - txwpx) - xr_chr_offset;
+ // Distance between the bottom edge of this prediction block to
+ // the frame bottom edge
+ const int yd = (xd->mb_to_bottom_edge >> (3 + pd->subsampling_y)) +
+ (hpx - y - txhpx) - yd_chr_offset;
+ const int right_available =
+ mi_col + ((col_off + txw) << pd->subsampling_x) < xd->tile.mi_col_end;
+ const int bottom_available =
+ (yd > 0) &&
+ (mi_row + ((row_off + txh) << pd->subsampling_y) < xd->tile.mi_row_end);
+
+ const PARTITION_TYPE partition = mbmi->partition;
+
+ // force 4x4 chroma component block size.
+ bsize = scale_chroma_bsize(bsize, pd->subsampling_x, pd->subsampling_y);
+
+ const int have_top_right = has_top_right(
+ cm, bsize, mi_row, mi_col, have_top, right_available, partition, tx_size,
+ row_off, col_off, pd->subsampling_x, pd->subsampling_y);
+ const int have_bottom_left = has_bottom_left(
+ cm, bsize, mi_row, mi_col, bottom_available, have_left, partition,
+ tx_size, row_off, col_off, pd->subsampling_x, pd->subsampling_y);
+
+ const int disable_edge_filter = !cm->seq_params.enable_intra_edge_filter;
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ build_intra_predictors_high(
+ xd, ref, ref_stride, dst, dst_stride, mode, angle_delta,
+ filter_intra_mode, tx_size, disable_edge_filter,
+ have_top ? AOMMIN(txwpx, xr + txwpx) : 0,
+ have_top_right ? AOMMIN(txwpx, xr) : 0,
+ have_left ? AOMMIN(txhpx, yd + txhpx) : 0,
+ have_bottom_left ? AOMMIN(txhpx, yd) : 0, plane);
+ return;
+ }
+
+ build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode,
+ angle_delta, filter_intra_mode, tx_size,
+ disable_edge_filter,
+ have_top ? AOMMIN(txwpx, xr + txwpx) : 0,
+ have_top_right ? AOMMIN(txwpx, xr) : 0,
+ have_left ? AOMMIN(txhpx, yd + txhpx) : 0,
+ have_bottom_left ? AOMMIN(txhpx, yd) : 0, plane);
+}
+
+void av1_predict_intra_block_facade(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int plane, int blk_col, int blk_row,
+ TX_SIZE tx_size) {
+ const MB_MODE_INFO *const mbmi = xd->mi[0];
+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int dst_stride = pd->dst.stride;
+ uint8_t *dst =
+ &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]];
+ const PREDICTION_MODE mode =
+ (plane == AOM_PLANE_Y) ? mbmi->mode : get_uv_mode(mbmi->uv_mode);
+ const int use_palette = mbmi->palette_mode_info.palette_size[plane != 0] > 0;
+ const FILTER_INTRA_MODE filter_intra_mode =
+ (plane == AOM_PLANE_Y && mbmi->filter_intra_mode_info.use_filter_intra)
+ ? mbmi->filter_intra_mode_info.filter_intra_mode
+ : FILTER_INTRA_MODES;
+ const int angle_delta = mbmi->angle_delta[plane != AOM_PLANE_Y] * ANGLE_STEP;
+
+ if (plane != AOM_PLANE_Y && mbmi->uv_mode == UV_CFL_PRED) {
+#if CONFIG_DEBUG
+ assert(is_cfl_allowed(xd));
+ const BLOCK_SIZE plane_bsize = get_plane_block_size(
+ mbmi->sb_type, pd->subsampling_x, pd->subsampling_y);
+ (void)plane_bsize;
+ assert(plane_bsize < BLOCK_SIZES_ALL);
+ if (!xd->lossless[mbmi->segment_id]) {
+ assert(blk_col == 0);
+ assert(blk_row == 0);
+ assert(block_size_wide[plane_bsize] == tx_size_wide[tx_size]);
+ assert(block_size_high[plane_bsize] == tx_size_high[tx_size]);
+ }
+#endif
+ CFL_CTX *const cfl = &xd->cfl;
+ CFL_PRED_TYPE pred_plane = get_cfl_pred_type(plane);
+ if (cfl->dc_pred_is_cached[pred_plane] == 0) {
+ av1_predict_intra_block(cm, xd, pd->width, pd->height, tx_size, mode,
+ angle_delta, use_palette, filter_intra_mode, dst,
+ dst_stride, dst, dst_stride, blk_col, blk_row,
+ plane);
+ if (cfl->use_dc_pred_cache) {
+ cfl_store_dc_pred(xd, dst, pred_plane, tx_size_wide[tx_size]);
+ cfl->dc_pred_is_cached[pred_plane] = 1;
+ }
+ } else {
+ cfl_load_dc_pred(xd, dst, dst_stride, tx_size, pred_plane);
+ }
+ cfl_predict_block(xd, dst, dst_stride, tx_size, plane);
+ return;
+ }
+ av1_predict_intra_block(cm, xd, pd->width, pd->height, tx_size, mode,
+ angle_delta, use_palette, filter_intra_mode, dst,
+ dst_stride, dst, dst_stride, blk_col, blk_row, plane);
+}
+
+void av1_init_intra_predictors(void) {
+ aom_once(init_intra_predictors_internal);
+}