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-rw-r--r--media/libaom/src/av1/encoder/encodetxb.c2062
1 files changed, 2062 insertions, 0 deletions
diff --git a/media/libaom/src/av1/encoder/encodetxb.c b/media/libaom/src/av1/encoder/encodetxb.c
new file mode 100644
index 000000000..5a31d93d7
--- /dev/null
+++ b/media/libaom/src/av1/encoder/encodetxb.c
@@ -0,0 +1,2062 @@
+/*
+ * Copyright (c) 2017, 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 "av1/encoder/encodetxb.h"
+
+#include "aom_ports/mem.h"
+#include "av1/common/blockd.h"
+#include "av1/common/idct.h"
+#include "av1/common/pred_common.h"
+#include "av1/common/scan.h"
+#include "av1/encoder/bitstream.h"
+#include "av1/encoder/cost.h"
+#include "av1/encoder/encodeframe.h"
+#include "av1/encoder/hash.h"
+#include "av1/encoder/rdopt.h"
+#include "av1/encoder/tokenize.h"
+
+static int hbt_needs_init = 1;
+static CRC32C crc_calculator;
+static const int HBT_EOB = 16; // also the length in opt_qcoeff
+static const int HBT_TABLE_SIZE = 65536; // 16 bit: holds 65536 'arrays'
+static const int HBT_ARRAY_LENGTH = 256; // 8 bit: 256 entries
+// If removed in hbt_create_hashes or increased beyond int8_t, widen deltas type
+static const int HBT_KICKOUT = 3;
+
+typedef struct OptTxbQcoeff {
+ // Use larger type if larger/no kickout value is used in hbt_create_hashes
+ int8_t deltas[16];
+ uint32_t hbt_qc_hash;
+ uint32_t hbt_ctx_hash;
+ int init;
+ int rate_cost;
+} OptTxbQcoeff;
+
+OptTxbQcoeff *hbt_hash_table;
+
+typedef struct LevelDownStats {
+ int update;
+ tran_low_t low_qc;
+ tran_low_t low_dqc;
+ int64_t dist0;
+ int rate;
+ int rate_low;
+ int64_t dist;
+ int64_t dist_low;
+ int64_t rd;
+ int64_t rd_low;
+ int64_t nz_rd;
+ int64_t rd_diff;
+ int cost_diff;
+ int64_t dist_diff;
+ int new_eob;
+} LevelDownStats;
+
+void av1_alloc_txb_buf(AV1_COMP *cpi) {
+ AV1_COMMON *cm = &cpi->common;
+ int size = ((cm->mi_rows >> cm->seq_params.mib_size_log2) + 1) *
+ ((cm->mi_cols >> cm->seq_params.mib_size_log2) + 1);
+
+ av1_free_txb_buf(cpi);
+ // TODO(jingning): This should be further reduced.
+ CHECK_MEM_ERROR(cm, cpi->coeff_buffer_base,
+ aom_memalign(32, sizeof(*cpi->coeff_buffer_base) * size));
+}
+
+void av1_free_txb_buf(AV1_COMP *cpi) { aom_free(cpi->coeff_buffer_base); }
+
+void av1_set_coeff_buffer(const AV1_COMP *const cpi, MACROBLOCK *const x,
+ int mi_row, int mi_col) {
+ const AV1_COMMON *const cm = &cpi->common;
+ const int num_planes = av1_num_planes(cm);
+ int mib_size_log2 = cm->seq_params.mib_size_log2;
+ int stride = (cm->mi_cols >> mib_size_log2) + 1;
+ int offset = (mi_row >> mib_size_log2) * stride + (mi_col >> mib_size_log2);
+ CB_COEFF_BUFFER *coeff_buf = &cpi->coeff_buffer_base[offset];
+ const int txb_offset = x->cb_offset / (TX_SIZE_W_MIN * TX_SIZE_H_MIN);
+ assert(x->cb_offset < (1 << num_pels_log2_lookup[cm->seq_params.sb_size]));
+ for (int plane = 0; plane < num_planes; ++plane) {
+ x->mbmi_ext->tcoeff[plane] = coeff_buf->tcoeff[plane] + x->cb_offset;
+ x->mbmi_ext->eobs[plane] = coeff_buf->eobs[plane] + txb_offset;
+ x->mbmi_ext->txb_skip_ctx[plane] =
+ coeff_buf->txb_skip_ctx[plane] + txb_offset;
+ x->mbmi_ext->dc_sign_ctx[plane] =
+ coeff_buf->dc_sign_ctx[plane] + txb_offset;
+ }
+}
+
+static void write_golomb(aom_writer *w, int level) {
+ int x = level + 1;
+ int i = x;
+ int length = 0;
+
+ while (i) {
+ i >>= 1;
+ ++length;
+ }
+ assert(length > 0);
+
+ for (i = 0; i < length - 1; ++i) aom_write_bit(w, 0);
+
+ for (i = length - 1; i >= 0; --i) aom_write_bit(w, (x >> i) & 0x01);
+}
+
+static INLINE tran_low_t get_lower_coeff(tran_low_t qc) {
+ if (qc == 0) {
+ return 0;
+ }
+ return qc > 0 ? qc - 1 : qc + 1;
+}
+
+static INLINE tran_low_t qcoeff_to_dqcoeff(tran_low_t qc, int coeff_idx,
+ int dqv, int shift,
+ const qm_val_t *iqmatrix) {
+ int sign = qc < 0 ? -1 : 1;
+ if (iqmatrix != NULL)
+ dqv =
+ ((iqmatrix[coeff_idx] * dqv) + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS;
+ return sign * ((abs(qc) * dqv) >> shift);
+}
+
+static INLINE int64_t get_coeff_dist(tran_low_t tcoeff, tran_low_t dqcoeff,
+ int shift) {
+ const int64_t diff = (tcoeff - dqcoeff) * (1 << shift);
+ const int64_t error = diff * diff;
+ return error;
+}
+
+static const int8_t eob_to_pos_small[33] = {
+ 0, 1, 2, // 0-2
+ 3, 3, // 3-4
+ 4, 4, 4, 4, // 5-8
+ 5, 5, 5, 5, 5, 5, 5, 5, // 9-16
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 // 17-32
+};
+
+static const int8_t eob_to_pos_large[17] = {
+ 6, // place holder
+ 7, // 33-64
+ 8, 8, // 65-128
+ 9, 9, 9, 9, // 129-256
+ 10, 10, 10, 10, 10, 10, 10, 10, // 257-512
+ 11 // 513-
+};
+
+static INLINE int get_eob_pos_token(const int eob, int *const extra) {
+ int t;
+
+ if (eob < 33) {
+ t = eob_to_pos_small[eob];
+ } else {
+ const int e = AOMMIN((eob - 1) >> 5, 16);
+ t = eob_to_pos_large[e];
+ }
+
+ *extra = eob - k_eob_group_start[t];
+
+ return t;
+}
+
+#if CONFIG_ENTROPY_STATS
+void av1_update_eob_context(int cdf_idx, int eob, TX_SIZE tx_size,
+ TX_CLASS tx_class, PLANE_TYPE plane,
+ FRAME_CONTEXT *ec_ctx, FRAME_COUNTS *counts,
+ uint8_t allow_update_cdf) {
+#else
+void av1_update_eob_context(int eob, TX_SIZE tx_size, TX_CLASS tx_class,
+ PLANE_TYPE plane, FRAME_CONTEXT *ec_ctx,
+ uint8_t allow_update_cdf) {
+#endif
+ int eob_extra;
+ const int eob_pt = get_eob_pos_token(eob, &eob_extra);
+ TX_SIZE txs_ctx = get_txsize_entropy_ctx(tx_size);
+
+ const int eob_multi_size = txsize_log2_minus4[tx_size];
+ const int eob_multi_ctx = (tx_class == TX_CLASS_2D) ? 0 : 1;
+
+ switch (eob_multi_size) {
+ case 0:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi16[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf)
+ update_cdf(ec_ctx->eob_flag_cdf16[plane][eob_multi_ctx], eob_pt - 1, 5);
+ break;
+ case 1:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi32[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf)
+ update_cdf(ec_ctx->eob_flag_cdf32[plane][eob_multi_ctx], eob_pt - 1, 6);
+ break;
+ case 2:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi64[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf)
+ update_cdf(ec_ctx->eob_flag_cdf64[plane][eob_multi_ctx], eob_pt - 1, 7);
+ break;
+ case 3:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi128[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf) {
+ update_cdf(ec_ctx->eob_flag_cdf128[plane][eob_multi_ctx], eob_pt - 1,
+ 8);
+ }
+ break;
+ case 4:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi256[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf) {
+ update_cdf(ec_ctx->eob_flag_cdf256[plane][eob_multi_ctx], eob_pt - 1,
+ 9);
+ }
+ break;
+ case 5:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi512[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf) {
+ update_cdf(ec_ctx->eob_flag_cdf512[plane][eob_multi_ctx], eob_pt - 1,
+ 10);
+ }
+ break;
+ case 6:
+ default:
+#if CONFIG_ENTROPY_STATS
+ ++counts->eob_multi1024[cdf_idx][plane][eob_multi_ctx][eob_pt - 1];
+#endif
+ if (allow_update_cdf) {
+ update_cdf(ec_ctx->eob_flag_cdf1024[plane][eob_multi_ctx], eob_pt - 1,
+ 11);
+ }
+ break;
+ }
+
+ if (k_eob_offset_bits[eob_pt] > 0) {
+ int eob_ctx = eob_pt - 3;
+ int eob_shift = k_eob_offset_bits[eob_pt] - 1;
+ int bit = (eob_extra & (1 << eob_shift)) ? 1 : 0;
+#if CONFIG_ENTROPY_STATS
+ counts->eob_extra[cdf_idx][txs_ctx][plane][eob_pt][bit]++;
+#endif // CONFIG_ENTROPY_STATS
+ if (allow_update_cdf)
+ update_cdf(ec_ctx->eob_extra_cdf[txs_ctx][plane][eob_ctx], bit, 2);
+ }
+}
+
+static int get_eob_cost(int eob, const LV_MAP_EOB_COST *txb_eob_costs,
+ const LV_MAP_COEFF_COST *txb_costs, TX_CLASS tx_class) {
+ int eob_extra;
+ const int eob_pt = get_eob_pos_token(eob, &eob_extra);
+ int eob_cost = 0;
+ const int eob_multi_ctx = (tx_class == TX_CLASS_2D) ? 0 : 1;
+ eob_cost = txb_eob_costs->eob_cost[eob_multi_ctx][eob_pt - 1];
+
+ if (k_eob_offset_bits[eob_pt] > 0) {
+ const int eob_ctx = eob_pt - 3;
+ const int eob_shift = k_eob_offset_bits[eob_pt] - 1;
+ const int bit = (eob_extra & (1 << eob_shift)) ? 1 : 0;
+ eob_cost += txb_costs->eob_extra_cost[eob_ctx][bit];
+ const int offset_bits = k_eob_offset_bits[eob_pt];
+ if (offset_bits > 1) eob_cost += av1_cost_literal(offset_bits - 1);
+ }
+ return eob_cost;
+}
+
+static INLINE int get_sign_bit_cost(tran_low_t qc, int coeff_idx,
+ const int (*dc_sign_cost)[2],
+ int dc_sign_ctx) {
+ if (coeff_idx == 0) {
+ const int sign = (qc < 0) ? 1 : 0;
+ return dc_sign_cost[dc_sign_ctx][sign];
+ }
+ return av1_cost_literal(1);
+}
+
+static INLINE int get_br_cost(tran_low_t abs_qc, int ctx,
+ const int *coeff_lps) {
+ const tran_low_t min_level = 1 + NUM_BASE_LEVELS;
+ const tran_low_t max_level = 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE;
+ (void)ctx;
+ if (abs_qc >= min_level) {
+ if (abs_qc >= max_level) {
+ return coeff_lps[COEFF_BASE_RANGE]; // COEFF_BASE_RANGE * cost0;
+ } else {
+ return coeff_lps[(abs_qc - min_level)]; // * cost0 + cost1;
+ }
+ }
+ return 0;
+}
+
+static INLINE int get_golomb_cost(int abs_qc) {
+ if (abs_qc >= 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) {
+ const int r = abs_qc - COEFF_BASE_RANGE - NUM_BASE_LEVELS;
+ const int length = get_msb(r) + 1;
+ return av1_cost_literal(2 * length - 1);
+ }
+ return 0;
+}
+
+static int get_coeff_cost(const tran_low_t qc, const int scan_idx,
+ const int is_eob, const TxbInfo *const txb_info,
+ const LV_MAP_COEFF_COST *const txb_costs,
+ const int coeff_ctx, const TX_CLASS tx_class) {
+ const TXB_CTX *const txb_ctx = txb_info->txb_ctx;
+ const int is_nz = (qc != 0);
+ const tran_low_t abs_qc = abs(qc);
+ int cost = 0;
+ const int16_t *const scan = txb_info->scan_order->scan;
+ const int pos = scan[scan_idx];
+
+ if (is_eob) {
+ cost += txb_costs->base_eob_cost[coeff_ctx][AOMMIN(abs_qc, 3) - 1];
+ } else {
+ cost += txb_costs->base_cost[coeff_ctx][AOMMIN(abs_qc, 3)];
+ }
+ if (is_nz) {
+ cost += get_sign_bit_cost(qc, scan_idx, txb_costs->dc_sign_cost,
+ txb_ctx->dc_sign_ctx);
+
+ if (abs_qc > NUM_BASE_LEVELS) {
+ const int ctx =
+ get_br_ctx(txb_info->levels, pos, txb_info->bwl, tx_class);
+ cost += get_br_cost(abs_qc, ctx, txb_costs->lps_cost[ctx]);
+ cost += get_golomb_cost(abs_qc);
+ }
+ }
+ return cost;
+}
+
+static INLINE int get_nz_map_ctx(const uint8_t *const levels,
+ const int coeff_idx, const int bwl,
+ const int height, const int scan_idx,
+ const int is_eob, const TX_SIZE tx_size,
+ const TX_CLASS tx_class) {
+ if (is_eob) {
+ if (scan_idx == 0) return 0;
+ if (scan_idx <= (height << bwl) / 8) return 1;
+ if (scan_idx <= (height << bwl) / 4) return 2;
+ return 3;
+ }
+ const int stats =
+ get_nz_mag(levels + get_padded_idx(coeff_idx, bwl), bwl, tx_class);
+ return get_nz_map_ctx_from_stats(stats, coeff_idx, bwl, tx_size, tx_class);
+}
+
+static void get_dist_cost_stats(LevelDownStats *const stats, const int scan_idx,
+ const int is_eob,
+ const LV_MAP_COEFF_COST *const txb_costs,
+ const TxbInfo *const txb_info,
+ const TX_CLASS tx_class) {
+ const int16_t *const scan = txb_info->scan_order->scan;
+ const int coeff_idx = scan[scan_idx];
+ const tran_low_t qc = txb_info->qcoeff[coeff_idx];
+ const uint8_t *const levels = txb_info->levels;
+ stats->new_eob = -1;
+ stats->update = 0;
+ stats->rd_low = 0;
+ stats->rd = 0;
+ stats->nz_rd = 0;
+ stats->dist_low = 0;
+ stats->rate_low = 0;
+ stats->low_qc = 0;
+
+ const tran_low_t tqc = txb_info->tcoeff[coeff_idx];
+ const int dqv = txb_info->dequant[coeff_idx != 0];
+ const int coeff_ctx =
+ get_nz_map_ctx(levels, coeff_idx, txb_info->bwl, txb_info->height,
+ scan_idx, is_eob, txb_info->tx_size, tx_class);
+ const int qc_cost = get_coeff_cost(qc, scan_idx, is_eob, txb_info, txb_costs,
+ coeff_ctx, tx_class);
+ assert(qc != 0);
+ const tran_low_t dqc = qcoeff_to_dqcoeff(qc, coeff_idx, dqv, txb_info->shift,
+ txb_info->iqmatrix);
+ const int64_t dqc_dist = get_coeff_dist(tqc, dqc, txb_info->shift);
+
+ // distortion difference when coefficient is quantized to 0
+ const tran_low_t dqc0 =
+ qcoeff_to_dqcoeff(0, coeff_idx, dqv, txb_info->shift, txb_info->iqmatrix);
+
+ stats->dist0 = get_coeff_dist(tqc, dqc0, txb_info->shift);
+ stats->dist = dqc_dist - stats->dist0;
+ stats->rate = qc_cost;
+
+ stats->rd = RDCOST(txb_info->rdmult, stats->rate, stats->dist);
+
+ stats->low_qc = get_lower_coeff(qc);
+
+ if (is_eob && stats->low_qc == 0) {
+ stats->rd_low = stats->rd; // disable selection of low_qc in this case.
+ } else {
+ if (stats->low_qc == 0) {
+ stats->dist_low = 0;
+ } else {
+ stats->low_dqc = qcoeff_to_dqcoeff(stats->low_qc, coeff_idx, dqv,
+ txb_info->shift, txb_info->iqmatrix);
+ const int64_t low_dqc_dist =
+ get_coeff_dist(tqc, stats->low_dqc, txb_info->shift);
+ stats->dist_low = low_dqc_dist - stats->dist0;
+ }
+ const int low_qc_cost =
+ get_coeff_cost(stats->low_qc, scan_idx, is_eob, txb_info, txb_costs,
+ coeff_ctx, tx_class);
+ stats->rate_low = low_qc_cost;
+ stats->rd_low = RDCOST(txb_info->rdmult, stats->rate_low, stats->dist_low);
+ }
+}
+
+static void get_dist_cost_stats_with_eob(
+ LevelDownStats *const stats, const int scan_idx,
+ const LV_MAP_COEFF_COST *const txb_costs, const TxbInfo *const txb_info,
+ const TX_CLASS tx_class) {
+ const int is_eob = 0;
+ get_dist_cost_stats(stats, scan_idx, is_eob, txb_costs, txb_info, tx_class);
+
+ const int16_t *const scan = txb_info->scan_order->scan;
+ const int coeff_idx = scan[scan_idx];
+ const tran_low_t qc = txb_info->qcoeff[coeff_idx];
+ const int coeff_ctx_temp = get_nz_map_ctx(
+ txb_info->levels, coeff_idx, txb_info->bwl, txb_info->height, scan_idx, 1,
+ txb_info->tx_size, tx_class);
+ const int qc_eob_cost = get_coeff_cost(qc, scan_idx, 1, txb_info, txb_costs,
+ coeff_ctx_temp, tx_class);
+ int64_t rd_eob = RDCOST(txb_info->rdmult, qc_eob_cost, stats->dist);
+ if (stats->low_qc != 0) {
+ const int low_qc_eob_cost =
+ get_coeff_cost(stats->low_qc, scan_idx, 1, txb_info, txb_costs,
+ coeff_ctx_temp, tx_class);
+ int64_t rd_eob_low =
+ RDCOST(txb_info->rdmult, low_qc_eob_cost, stats->dist_low);
+ rd_eob = (rd_eob > rd_eob_low) ? rd_eob_low : rd_eob;
+ }
+
+ stats->nz_rd = AOMMIN(stats->rd_low, stats->rd) - rd_eob;
+}
+
+static INLINE void update_qcoeff(const int coeff_idx, const tran_low_t qc,
+ const TxbInfo *const txb_info) {
+ txb_info->qcoeff[coeff_idx] = qc;
+ txb_info->levels[get_padded_idx(coeff_idx, txb_info->bwl)] =
+ (uint8_t)clamp(abs(qc), 0, INT8_MAX);
+}
+
+static INLINE void update_coeff(const int coeff_idx, const tran_low_t qc,
+ const TxbInfo *const txb_info) {
+ update_qcoeff(coeff_idx, qc, txb_info);
+ const int dqv = txb_info->dequant[coeff_idx != 0];
+ txb_info->dqcoeff[coeff_idx] = qcoeff_to_dqcoeff(
+ qc, coeff_idx, dqv, txb_info->shift, txb_info->iqmatrix);
+}
+
+void av1_txb_init_levels_c(const tran_low_t *const coeff, const int width,
+ const int height, uint8_t *const levels) {
+ const int stride = width + TX_PAD_HOR;
+ uint8_t *ls = levels;
+
+ memset(levels - TX_PAD_TOP * stride, 0,
+ sizeof(*levels) * TX_PAD_TOP * stride);
+ memset(levels + stride * height, 0,
+ sizeof(*levels) * (TX_PAD_BOTTOM * stride + TX_PAD_END));
+
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < width; j++) {
+ *ls++ = (uint8_t)clamp(abs(coeff[i * width + j]), 0, INT8_MAX);
+ }
+ for (int j = 0; j < TX_PAD_HOR; j++) {
+ *ls++ = 0;
+ }
+ }
+}
+
+void av1_get_nz_map_contexts_c(const uint8_t *const levels,
+ const int16_t *const scan, const uint16_t eob,
+ const TX_SIZE tx_size, const TX_CLASS tx_class,
+ int8_t *const coeff_contexts) {
+ const int bwl = get_txb_bwl(tx_size);
+ const int height = get_txb_high(tx_size);
+ for (int i = 0; i < eob; ++i) {
+ const int pos = scan[i];
+ coeff_contexts[pos] = get_nz_map_ctx(levels, pos, bwl, height, i,
+ i == eob - 1, tx_size, tx_class);
+ }
+}
+
+void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
+ aom_writer *w, int blk_row, int blk_col, int plane,
+ TX_SIZE tx_size, const tran_low_t *tcoeff,
+ uint16_t eob, TXB_CTX *txb_ctx) {
+ const TX_SIZE txs_ctx = get_txsize_entropy_ctx(tx_size);
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+ aom_write_symbol(w, eob == 0,
+ ec_ctx->txb_skip_cdf[txs_ctx][txb_ctx->txb_skip_ctx], 2);
+ if (eob == 0) return;
+ const PLANE_TYPE plane_type = get_plane_type(plane);
+ const TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, blk_row, blk_col,
+ tx_size, cm->reduced_tx_set_used);
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ const int16_t *const scan = scan_order->scan;
+ int c;
+ const int bwl = get_txb_bwl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ const int height = get_txb_high(tx_size);
+
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, width);
+ DECLARE_ALIGNED(16, int8_t, coeff_contexts[MAX_TX_SQUARE]);
+ av1_txb_init_levels(tcoeff, width, height, levels);
+
+ av1_write_tx_type(cm, xd, blk_row, blk_col, plane, tx_size, w);
+
+ int eob_extra;
+ const int eob_pt = get_eob_pos_token(eob, &eob_extra);
+ const int eob_multi_size = txsize_log2_minus4[tx_size];
+ const int eob_multi_ctx = (tx_class == TX_CLASS_2D) ? 0 : 1;
+ switch (eob_multi_size) {
+ case 0:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf16[plane_type][eob_multi_ctx], 5);
+ break;
+ case 1:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf32[plane_type][eob_multi_ctx], 6);
+ break;
+ case 2:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf64[plane_type][eob_multi_ctx], 7);
+ break;
+ case 3:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf128[plane_type][eob_multi_ctx], 8);
+ break;
+ case 4:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf256[plane_type][eob_multi_ctx], 9);
+ break;
+ case 5:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf512[plane_type][eob_multi_ctx], 10);
+ break;
+ default:
+ aom_write_symbol(w, eob_pt - 1,
+ ec_ctx->eob_flag_cdf1024[plane_type][eob_multi_ctx], 11);
+ break;
+ }
+
+ if (k_eob_offset_bits[eob_pt] > 0) {
+ const int eob_ctx = eob_pt - 3;
+ int eob_shift = k_eob_offset_bits[eob_pt] - 1;
+ int bit = (eob_extra & (1 << eob_shift)) ? 1 : 0;
+ aom_write_symbol(w, bit,
+ ec_ctx->eob_extra_cdf[txs_ctx][plane_type][eob_ctx], 2);
+ for (int i = 1; i < k_eob_offset_bits[eob_pt]; i++) {
+ eob_shift = k_eob_offset_bits[eob_pt] - 1 - i;
+ bit = (eob_extra & (1 << eob_shift)) ? 1 : 0;
+ aom_write_bit(w, bit);
+ }
+ }
+
+ av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class, coeff_contexts);
+
+ for (c = eob - 1; c >= 0; --c) {
+ const int pos = scan[c];
+ const int coeff_ctx = coeff_contexts[pos];
+ const tran_low_t v = tcoeff[pos];
+ const tran_low_t level = abs(v);
+
+ if (c == eob - 1) {
+ aom_write_symbol(
+ w, AOMMIN(level, 3) - 1,
+ ec_ctx->coeff_base_eob_cdf[txs_ctx][plane_type][coeff_ctx], 3);
+ } else {
+ aom_write_symbol(w, AOMMIN(level, 3),
+ ec_ctx->coeff_base_cdf[txs_ctx][plane_type][coeff_ctx],
+ 4);
+ }
+ if (level > NUM_BASE_LEVELS) {
+ // level is above 1.
+ const int base_range = level - 1 - NUM_BASE_LEVELS;
+ const int br_ctx = get_br_ctx(levels, pos, bwl, tx_class);
+ for (int idx = 0; idx < COEFF_BASE_RANGE; idx += BR_CDF_SIZE - 1) {
+ const int k = AOMMIN(base_range - idx, BR_CDF_SIZE - 1);
+ aom_write_symbol(
+ w, k,
+ ec_ctx->coeff_br_cdf[AOMMIN(txs_ctx, TX_32X32)][plane_type][br_ctx],
+ BR_CDF_SIZE);
+ if (k < BR_CDF_SIZE - 1) break;
+ }
+ }
+ }
+
+ // Loop to code all signs in the transform block,
+ // starting with the sign of DC (if applicable)
+ for (c = 0; c < eob; ++c) {
+ const tran_low_t v = tcoeff[scan[c]];
+ const tran_low_t level = abs(v);
+ const int sign = (v < 0) ? 1 : 0;
+ if (level) {
+ if (c == 0) {
+ aom_write_symbol(
+ w, sign, ec_ctx->dc_sign_cdf[plane_type][txb_ctx->dc_sign_ctx], 2);
+ } else {
+ aom_write_bit(w, sign);
+ }
+ if (level > COEFF_BASE_RANGE + NUM_BASE_LEVELS)
+ write_golomb(w, level - COEFF_BASE_RANGE - 1 - NUM_BASE_LEVELS);
+ }
+ }
+}
+
+typedef struct encode_txb_args {
+ const AV1_COMMON *cm;
+ MACROBLOCK *x;
+ aom_writer *w;
+} ENCODE_TXB_ARGS;
+
+static void write_coeffs_txb_wrap(const AV1_COMMON *cm, MACROBLOCK *x,
+ aom_writer *w, int plane, int block,
+ int blk_row, int blk_col, TX_SIZE tx_size) {
+ MACROBLOCKD *xd = &x->e_mbd;
+ tran_low_t *tcoeff = BLOCK_OFFSET(x->mbmi_ext->tcoeff[plane], block);
+ uint16_t eob = x->mbmi_ext->eobs[plane][block];
+ TXB_CTX txb_ctx = { x->mbmi_ext->txb_skip_ctx[plane][block],
+ x->mbmi_ext->dc_sign_ctx[plane][block] };
+ av1_write_coeffs_txb(cm, xd, w, blk_row, blk_col, plane, tx_size, tcoeff, eob,
+ &txb_ctx);
+}
+
+void av1_write_coeffs_mb(const AV1_COMMON *const cm, MACROBLOCK *x, int mi_row,
+ int mi_col, aom_writer *w, BLOCK_SIZE bsize) {
+ MACROBLOCKD *xd = &x->e_mbd;
+ const int num_planes = av1_num_planes(cm);
+ int block[MAX_MB_PLANE] = { 0 };
+ int row, col;
+ assert(bsize == get_plane_block_size(bsize, xd->plane[0].subsampling_x,
+ xd->plane[0].subsampling_y));
+ const int max_blocks_wide = max_block_wide(xd, bsize, 0);
+ const int max_blocks_high = max_block_high(xd, bsize, 0);
+ const BLOCK_SIZE max_unit_bsize = BLOCK_64X64;
+ 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(max_blocks_wide, mu_blocks_wide);
+ mu_blocks_high = AOMMIN(max_blocks_high, mu_blocks_high);
+
+ for (row = 0; row < max_blocks_high; row += mu_blocks_high) {
+ for (col = 0; col < max_blocks_wide; col += mu_blocks_wide) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ if (!is_chroma_reference(mi_row, mi_col, bsize, pd->subsampling_x,
+ pd->subsampling_y))
+ continue;
+ const TX_SIZE tx_size = av1_get_tx_size(plane, xd);
+ const int stepr = tx_size_high_unit[tx_size];
+ const int stepc = tx_size_wide_unit[tx_size];
+ const int step = stepr * stepc;
+
+ const int unit_height = ROUND_POWER_OF_TWO(
+ AOMMIN(mu_blocks_high + row, max_blocks_high), pd->subsampling_y);
+ const int unit_width = ROUND_POWER_OF_TWO(
+ AOMMIN(mu_blocks_wide + col, max_blocks_wide), pd->subsampling_x);
+ for (int blk_row = row >> pd->subsampling_y; blk_row < unit_height;
+ blk_row += stepr) {
+ for (int blk_col = col >> pd->subsampling_x; blk_col < unit_width;
+ blk_col += stepc) {
+ write_coeffs_txb_wrap(cm, x, w, plane, block[plane], blk_row,
+ blk_col, tx_size);
+ block[plane] += step;
+ }
+ }
+ }
+ }
+ }
+}
+
+// TODO(angiebird): use this function whenever it's possible
+static int get_tx_type_cost(const AV1_COMMON *cm, const MACROBLOCK *x,
+ const MACROBLOCKD *xd, int plane, TX_SIZE tx_size,
+ TX_TYPE tx_type) {
+ if (plane > 0) return 0;
+
+ const TX_SIZE square_tx_size = txsize_sqr_map[tx_size];
+
+ const MB_MODE_INFO *mbmi = xd->mi[0];
+ const int is_inter = is_inter_block(mbmi);
+ if (get_ext_tx_types(tx_size, is_inter, cm->reduced_tx_set_used) > 1 &&
+ !xd->lossless[xd->mi[0]->segment_id]) {
+ const int ext_tx_set =
+ get_ext_tx_set(tx_size, is_inter, cm->reduced_tx_set_used);
+ if (is_inter) {
+ if (ext_tx_set > 0)
+ return x->inter_tx_type_costs[ext_tx_set][square_tx_size][tx_type];
+ } else {
+ if (ext_tx_set > 0) {
+ PREDICTION_MODE intra_dir;
+ if (mbmi->filter_intra_mode_info.use_filter_intra)
+ intra_dir = fimode_to_intradir[mbmi->filter_intra_mode_info
+ .filter_intra_mode];
+ else
+ intra_dir = mbmi->mode;
+ return x->intra_tx_type_costs[ext_tx_set][square_tx_size][intra_dir]
+ [tx_type];
+ }
+ }
+ }
+ return 0;
+}
+
+static AOM_FORCE_INLINE int warehouse_efficients_txb(
+ const AV1_COMMON *const cm, const MACROBLOCK *x, const int plane,
+ const int block, const TX_SIZE tx_size, const TXB_CTX *const txb_ctx,
+ const struct macroblock_plane *p, const int eob,
+ const PLANE_TYPE plane_type, const LV_MAP_COEFF_COST *const coeff_costs,
+ const MACROBLOCKD *const xd, const TX_TYPE tx_type,
+ const TX_CLASS tx_class) {
+ const tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+ const int txb_skip_ctx = txb_ctx->txb_skip_ctx;
+ const int bwl = get_txb_bwl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ const int height = get_txb_high(tx_size);
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ const int16_t *const scan = scan_order->scan;
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, width);
+ DECLARE_ALIGNED(16, int8_t, coeff_contexts[MAX_TX_SQUARE]);
+ const int eob_multi_size = txsize_log2_minus4[tx_size];
+ const LV_MAP_EOB_COST *const eob_costs =
+ &x->eob_costs[eob_multi_size][plane_type];
+ int cost = coeff_costs->txb_skip_cost[txb_skip_ctx][0];
+
+ av1_txb_init_levels(qcoeff, width, height, levels);
+
+ cost += get_tx_type_cost(cm, x, xd, plane, tx_size, tx_type);
+
+ cost += get_eob_cost(eob, eob_costs, coeff_costs, tx_class);
+
+ av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class, coeff_contexts);
+
+ const int(*lps_cost)[COEFF_BASE_RANGE + 1] = coeff_costs->lps_cost;
+ int c = eob - 1;
+ {
+ const int pos = scan[c];
+ const tran_low_t v = qcoeff[pos];
+ const int sign = v >> 31;
+ const int level = (v ^ sign) - sign;
+ const int coeff_ctx = coeff_contexts[pos];
+ cost += coeff_costs->base_eob_cost[coeff_ctx][AOMMIN(level, 3) - 1];
+
+ if (v) {
+ // sign bit cost
+ if (level > NUM_BASE_LEVELS) {
+ const int ctx = get_br_ctx(levels, pos, bwl, tx_class);
+ const int base_range =
+ AOMMIN(level - 1 - NUM_BASE_LEVELS, COEFF_BASE_RANGE);
+ cost += lps_cost[ctx][base_range];
+ cost += get_golomb_cost(level);
+ }
+ if (c) {
+ cost += av1_cost_literal(1);
+ } else {
+ const int sign01 = (sign ^ sign) - sign;
+ const int dc_sign_ctx = txb_ctx->dc_sign_ctx;
+ cost += coeff_costs->dc_sign_cost[dc_sign_ctx][sign01];
+ return cost;
+ }
+ }
+ }
+ const int(*base_cost)[4] = coeff_costs->base_cost;
+ for (c = eob - 2; c >= 1; --c) {
+ const int pos = scan[c];
+ const int coeff_ctx = coeff_contexts[pos];
+ const tran_low_t v = qcoeff[pos];
+ const int level = abs(v);
+ const int cost0 = base_cost[coeff_ctx][AOMMIN(level, 3)];
+ if (v) {
+ // sign bit cost
+ cost += av1_cost_literal(1);
+ if (level > NUM_BASE_LEVELS) {
+ const int ctx = get_br_ctx(levels, pos, bwl, tx_class);
+ const int base_range =
+ AOMMIN(level - 1 - NUM_BASE_LEVELS, COEFF_BASE_RANGE);
+ cost += lps_cost[ctx][base_range];
+ cost += get_golomb_cost(level);
+ }
+ }
+ cost += cost0;
+ }
+ if (c == 0) {
+ const int pos = scan[c];
+ const tran_low_t v = qcoeff[pos];
+ const int coeff_ctx = coeff_contexts[pos];
+ const int sign = v >> 31;
+ const int level = (v ^ sign) - sign;
+ cost += base_cost[coeff_ctx][AOMMIN(level, 3)];
+
+ if (v) {
+ // sign bit cost
+ const int sign01 = (sign ^ sign) - sign;
+ const int dc_sign_ctx = txb_ctx->dc_sign_ctx;
+ cost += coeff_costs->dc_sign_cost[dc_sign_ctx][sign01];
+ if (level > NUM_BASE_LEVELS) {
+ const int ctx = get_br_ctx(levels, pos, bwl, tx_class);
+ const int base_range =
+ AOMMIN(level - 1 - NUM_BASE_LEVELS, COEFF_BASE_RANGE);
+ cost += lps_cost[ctx][base_range];
+ cost += get_golomb_cost(level);
+ }
+ }
+ }
+ return cost;
+}
+
+int av1_cost_coeffs_txb(const AV1_COMMON *const cm, const MACROBLOCK *x,
+ const int plane, const int block, const TX_SIZE tx_size,
+ const TX_TYPE tx_type, const TXB_CTX *const txb_ctx) {
+ const struct macroblock_plane *p = &x->plane[plane];
+ const int eob = p->eobs[block];
+ const TX_SIZE txs_ctx = get_txsize_entropy_ctx(tx_size);
+ const PLANE_TYPE plane_type = get_plane_type(plane);
+ const LV_MAP_COEFF_COST *const coeff_costs =
+ &x->coeff_costs[txs_ctx][plane_type];
+ if (eob == 0) {
+ return coeff_costs->txb_skip_cost[txb_ctx->txb_skip_ctx][1];
+ }
+
+ const MACROBLOCKD *const xd = &x->e_mbd;
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+
+#define WAREHOUSE_EFFICIENTS_TXB_CASE(tx_class_literal) \
+ case tx_class_literal: \
+ return warehouse_efficients_txb(cm, x, plane, block, tx_size, txb_ctx, p, \
+ eob, plane_type, coeff_costs, xd, tx_type, \
+ tx_class_literal);
+ switch (tx_class) {
+ WAREHOUSE_EFFICIENTS_TXB_CASE(TX_CLASS_2D);
+ WAREHOUSE_EFFICIENTS_TXB_CASE(TX_CLASS_HORIZ);
+ WAREHOUSE_EFFICIENTS_TXB_CASE(TX_CLASS_VERT);
+#undef WAREHOUSE_EFFICIENTS_TXB_CASE
+ default: assert(false); return 0;
+ }
+}
+
+static int optimize_txb(TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs,
+ const LV_MAP_EOB_COST *txb_eob_costs, int *rate_cost) {
+ int update = 0;
+ if (txb_info->eob == 0) return update;
+ const int16_t *const scan = txb_info->scan_order->scan;
+ // forward optimize the nz_map`
+ const int init_eob = txb_info->eob;
+ const TX_CLASS tx_class = tx_type_to_class[txb_info->tx_type];
+ const int eob_cost =
+ get_eob_cost(init_eob, txb_eob_costs, txb_costs, tx_class);
+
+ // backward optimize the level-k map
+ int accu_rate = eob_cost;
+ int64_t accu_dist = 0;
+ int64_t prev_eob_rd_cost = INT64_MAX;
+ int64_t cur_eob_rd_cost = 0;
+
+ {
+ const int si = init_eob - 1;
+ const int coeff_idx = scan[si];
+ LevelDownStats stats;
+ get_dist_cost_stats(&stats, si, si == init_eob - 1, txb_costs, txb_info,
+ tx_class);
+ if ((stats.rd_low < stats.rd) && (stats.low_qc != 0)) {
+ update = 1;
+ update_coeff(coeff_idx, stats.low_qc, txb_info);
+ accu_rate += stats.rate_low;
+ accu_dist += stats.dist_low;
+ } else {
+ accu_rate += stats.rate;
+ accu_dist += stats.dist;
+ }
+ }
+
+ int si = init_eob - 2;
+ int8_t has_nz_tail = 0;
+ // eob is not fixed
+ for (; si >= 0 && has_nz_tail < 2; --si) {
+ assert(si != init_eob - 1);
+ const int coeff_idx = scan[si];
+ tran_low_t qc = txb_info->qcoeff[coeff_idx];
+
+ if (qc == 0) {
+ const int coeff_ctx =
+ get_lower_levels_ctx(txb_info->levels, coeff_idx, txb_info->bwl,
+ txb_info->tx_size, tx_class);
+ accu_rate += txb_costs->base_cost[coeff_ctx][0];
+ } else {
+ LevelDownStats stats;
+ get_dist_cost_stats_with_eob(&stats, si, txb_costs, txb_info, tx_class);
+ // check if it is better to make this the last significant coefficient
+ int cur_eob_rate =
+ get_eob_cost(si + 1, txb_eob_costs, txb_costs, tx_class);
+ cur_eob_rd_cost = RDCOST(txb_info->rdmult, cur_eob_rate, 0);
+ prev_eob_rd_cost =
+ RDCOST(txb_info->rdmult, accu_rate, accu_dist) + stats.nz_rd;
+ if (cur_eob_rd_cost <= prev_eob_rd_cost) {
+ update = 1;
+ for (int j = si + 1; j < txb_info->eob; j++) {
+ const int coeff_pos_j = scan[j];
+ update_coeff(coeff_pos_j, 0, txb_info);
+ }
+ txb_info->eob = si + 1;
+
+ // rerun cost calculation due to change of eob
+ accu_rate = cur_eob_rate;
+ accu_dist = 0;
+ get_dist_cost_stats(&stats, si, 1, txb_costs, txb_info, tx_class);
+ if ((stats.rd_low < stats.rd) && (stats.low_qc != 0)) {
+ update = 1;
+ update_coeff(coeff_idx, stats.low_qc, txb_info);
+ accu_rate += stats.rate_low;
+ accu_dist += stats.dist_low;
+ } else {
+ accu_rate += stats.rate;
+ accu_dist += stats.dist;
+ }
+
+ // reset non zero tail when new eob is found
+ has_nz_tail = 0;
+ } else {
+ int bUpdCoeff = 0;
+ if (stats.rd_low < stats.rd) {
+ if ((si < txb_info->eob - 1)) {
+ bUpdCoeff = 1;
+ update = 1;
+ }
+ } else {
+ ++has_nz_tail;
+ }
+
+ if (bUpdCoeff) {
+ update_coeff(coeff_idx, stats.low_qc, txb_info);
+ accu_rate += stats.rate_low;
+ accu_dist += stats.dist_low;
+ } else {
+ accu_rate += stats.rate;
+ accu_dist += stats.dist;
+ }
+ }
+ }
+ } // for (si)
+
+ // eob is fixed
+ for (; si >= 0; --si) {
+ assert(si != init_eob - 1);
+ const int coeff_idx = scan[si];
+ tran_low_t qc = txb_info->qcoeff[coeff_idx];
+
+ if (qc == 0) {
+ const int coeff_ctx =
+ get_lower_levels_ctx(txb_info->levels, coeff_idx, txb_info->bwl,
+ txb_info->tx_size, tx_class);
+ accu_rate += txb_costs->base_cost[coeff_ctx][0];
+ } else {
+ LevelDownStats stats;
+ get_dist_cost_stats(&stats, si, 0, txb_costs, txb_info, tx_class);
+
+ int bUpdCoeff = 0;
+ if (stats.rd_low < stats.rd) {
+ if ((si < txb_info->eob - 1)) {
+ bUpdCoeff = 1;
+ update = 1;
+ }
+ }
+ if (bUpdCoeff) {
+ update_coeff(coeff_idx, stats.low_qc, txb_info);
+ accu_rate += stats.rate_low;
+ accu_dist += stats.dist_low;
+ } else {
+ accu_rate += stats.rate;
+ accu_dist += stats.dist;
+ }
+ }
+ } // for (si)
+
+ int non_zero_blk_rate =
+ txb_costs->txb_skip_cost[txb_info->txb_ctx->txb_skip_ctx][0];
+ prev_eob_rd_cost =
+ RDCOST(txb_info->rdmult, accu_rate + non_zero_blk_rate, accu_dist);
+
+ int zero_blk_rate =
+ txb_costs->txb_skip_cost[txb_info->txb_ctx->txb_skip_ctx][1];
+ int64_t zero_blk_rd_cost = RDCOST(txb_info->rdmult, zero_blk_rate, 0);
+ if (zero_blk_rd_cost <= prev_eob_rd_cost) {
+ update = 1;
+ for (int j = 0; j < txb_info->eob; j++) {
+ const int coeff_pos_j = scan[j];
+ update_coeff(coeff_pos_j, 0, txb_info);
+ }
+ txb_info->eob = 0;
+ }
+
+ // record total rate cost
+ *rate_cost = zero_blk_rd_cost <= prev_eob_rd_cost
+ ? zero_blk_rate
+ : accu_rate + non_zero_blk_rate;
+
+ if (txb_info->eob > 0) {
+ *rate_cost += txb_info->tx_type_cost;
+ }
+
+ return update;
+}
+
+// These numbers are empirically obtained.
+static const int plane_rd_mult[REF_TYPES][PLANE_TYPES] = {
+ { 17, 13 },
+ { 16, 10 },
+};
+
+void hbt_init() {
+ hbt_hash_table =
+ aom_malloc(sizeof(OptTxbQcoeff) * HBT_TABLE_SIZE * HBT_ARRAY_LENGTH);
+ memset(hbt_hash_table, 0,
+ sizeof(OptTxbQcoeff) * HBT_TABLE_SIZE * HBT_ARRAY_LENGTH);
+ av1_crc32c_calculator_init(&crc_calculator); // 31 bit: qc & ctx
+
+ hbt_needs_init = 0;
+}
+
+void hbt_destroy() { aom_free(hbt_hash_table); }
+
+int hbt_hash_miss(uint32_t hbt_ctx_hash, uint32_t hbt_qc_hash,
+ TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs,
+ const LV_MAP_EOB_COST *txb_eob_costs,
+ const struct macroblock_plane *p, int block, int fast_mode,
+ int *rate_cost) {
+ (void)fast_mode;
+ const int16_t *scan = txb_info->scan_order->scan;
+ int prev_eob = txb_info->eob;
+ assert(HBT_EOB <= 16); // Lengthen array if allowing longer eob.
+ int32_t prev_coeff[16];
+ for (int i = 0; i < prev_eob; i++) {
+ prev_coeff[i] = txb_info->qcoeff[scan[i]];
+ }
+ for (int i = prev_eob; i < HBT_EOB; i++) {
+ prev_coeff[i] = 0; // For compiler piece of mind.
+ }
+
+ av1_txb_init_levels(txb_info->qcoeff, txb_info->width, txb_info->height,
+ txb_info->levels);
+
+ const int update =
+ optimize_txb(txb_info, txb_costs, txb_eob_costs, rate_cost);
+
+ // Overwrite old entry
+ uint16_t hbt_table_index = hbt_ctx_hash % HBT_TABLE_SIZE;
+ uint16_t hbt_array_index = hbt_qc_hash % HBT_ARRAY_LENGTH;
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .rate_cost = *rate_cost;
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index].init = 1;
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .hbt_qc_hash = hbt_qc_hash;
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .hbt_ctx_hash = hbt_ctx_hash;
+ assert(prev_eob >= txb_info->eob); // eob can't get longer
+ for (int i = 0; i < txb_info->eob; i++) {
+ // Record how coeff changed. Convention: towards zero is negative.
+ if (txb_info->qcoeff[scan[i]] > 0)
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i] = txb_info->qcoeff[scan[i]] - prev_coeff[i];
+ else
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i] = prev_coeff[i] - txb_info->qcoeff[scan[i]];
+ }
+ for (int i = txb_info->eob; i < prev_eob; i++) {
+ // If eob got shorter, record that all after it changed to zero.
+ if (prev_coeff[i] > 0)
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i] = -prev_coeff[i];
+ else
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i] = prev_coeff[i];
+ }
+ for (int i = prev_eob; i < HBT_EOB; i++) {
+ // Record 'no change' after optimized coefficients run out.
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i] = 0;
+ }
+
+ if (update) {
+ p->eobs[block] = txb_info->eob;
+ p->txb_entropy_ctx[block] = av1_get_txb_entropy_context(
+ txb_info->qcoeff, txb_info->scan_order, txb_info->eob);
+ }
+ return txb_info->eob;
+}
+
+int hbt_hash_hit(uint32_t hbt_table_index, int hbt_array_index,
+ TxbInfo *txb_info, const struct macroblock_plane *p, int block,
+ int *rate_cost) {
+ const int16_t *scan = txb_info->scan_order->scan;
+ int new_eob = 0;
+ int update = 0;
+
+ for (int i = 0; i < txb_info->eob; i++) {
+ // Delta convention is negatives go towards zero, so only apply those ones.
+ if (hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i] < 0) {
+ if (txb_info->qcoeff[scan[i]] > 0)
+ txb_info->qcoeff[scan[i]] +=
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i];
+ else
+ txb_info->qcoeff[scan[i]] -=
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .deltas[i];
+
+ update = 1;
+ update_coeff(scan[i], txb_info->qcoeff[scan[i]], txb_info);
+ }
+ if (txb_info->qcoeff[scan[i]]) new_eob = i + 1;
+ }
+
+ // Rate_cost can be calculated here instead (av1_cost_coeffs_txb), but
+ // it is expensive and gives little benefit as long as qc_hash is high bit
+ *rate_cost =
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .rate_cost;
+
+ if (update) {
+ txb_info->eob = new_eob;
+ p->eobs[block] = txb_info->eob;
+ p->txb_entropy_ctx[block] = av1_get_txb_entropy_context(
+ txb_info->qcoeff, txb_info->scan_order, txb_info->eob);
+ }
+
+ return txb_info->eob;
+}
+
+int hbt_search_match(uint32_t hbt_ctx_hash, uint32_t hbt_qc_hash,
+ TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs,
+ const LV_MAP_EOB_COST *txb_eob_costs,
+ const struct macroblock_plane *p, int block, int fast_mode,
+ int *rate_cost) {
+ // Check for qcoeff match
+ int hbt_array_index = hbt_qc_hash % HBT_ARRAY_LENGTH;
+ int hbt_table_index = hbt_ctx_hash % HBT_TABLE_SIZE;
+
+ if (hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .hbt_qc_hash == hbt_qc_hash &&
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .hbt_ctx_hash == hbt_ctx_hash &&
+ hbt_hash_table[hbt_table_index * HBT_ARRAY_LENGTH + hbt_array_index]
+ .init) {
+ return hbt_hash_hit(hbt_table_index, hbt_array_index, txb_info, p, block,
+ rate_cost);
+ } else {
+ return hbt_hash_miss(hbt_ctx_hash, hbt_qc_hash, txb_info, txb_costs,
+ txb_eob_costs, p, block, fast_mode, rate_cost);
+ }
+}
+
+int hbt_create_hashes(TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs,
+ const LV_MAP_EOB_COST *txb_eob_costs,
+ const struct macroblock_plane *p, int block,
+ int fast_mode, int *rate_cost) {
+ // Initialize hash table if needed.
+ if (hbt_needs_init) {
+ hbt_init();
+ }
+
+ //// Hash creation
+ uint8_t txb_hash_data[256]; // Asserts below to ensure enough space.
+ const int16_t *scan = txb_info->scan_order->scan;
+ uint8_t chunk = 0;
+ int hash_data_index = 0;
+
+ // Make qc_hash.
+ int packing_index = 0; // needed for packing.
+ for (int i = 0; i < txb_info->eob; i++) {
+ tran_low_t prechunk = txb_info->qcoeff[scan[i]];
+
+ // Softening: Improves speed. Aligns with signed deltas.
+ if (prechunk < 0) prechunk *= -1;
+
+ // Early kick out: Don't apply feature if there are large coeffs:
+ // If this kickout value is removed or raised beyond int8_t,
+ // widen deltas type in OptTxbQcoeff struct.
+ assert((int8_t)HBT_KICKOUT == HBT_KICKOUT); // If not, widen types.
+ if (prechunk > HBT_KICKOUT) {
+ av1_txb_init_levels(txb_info->qcoeff, txb_info->width, txb_info->height,
+ txb_info->levels);
+
+ const int update =
+ optimize_txb(txb_info, txb_costs, txb_eob_costs, rate_cost);
+
+ if (update) {
+ p->eobs[block] = txb_info->eob;
+ p->txb_entropy_ctx[block] = av1_get_txb_entropy_context(
+ txb_info->qcoeff, txb_info->scan_order, txb_info->eob);
+ }
+ return txb_info->eob;
+ }
+
+ // Since coeffs are 0 to 3, only 2 bits are needed: pack into bytes
+ if (packing_index == 0) txb_hash_data[hash_data_index] = 0;
+ chunk = prechunk << packing_index;
+ packing_index += 2;
+ txb_hash_data[hash_data_index] |= chunk;
+
+ // Full byte:
+ if (packing_index == 8) {
+ packing_index = 0;
+ hash_data_index++;
+ }
+ }
+ // Needed when packing_index != 0, to include final byte.
+ hash_data_index++;
+ assert(hash_data_index <= 64);
+ // 31 bit qc_hash: index to array
+ uint32_t hbt_qc_hash =
+ av1_get_crc32c_value(&crc_calculator, txb_hash_data, hash_data_index);
+
+ // Make ctx_hash.
+ hash_data_index = 0;
+ tran_low_t prechunk;
+
+ for (int i = 0; i < txb_info->eob; i++) {
+ // Save as magnitudes towards or away from zero.
+ if (txb_info->tcoeff[scan[i]] >= 0)
+ prechunk = txb_info->tcoeff[scan[i]] - txb_info->dqcoeff[scan[i]];
+ else
+ prechunk = txb_info->dqcoeff[scan[i]] - txb_info->tcoeff[scan[i]];
+
+ chunk = prechunk & 0xff;
+ txb_hash_data[hash_data_index++] = chunk;
+ }
+
+ // Extra ctx data:
+ // Include dequants.
+ txb_hash_data[hash_data_index++] = txb_info->dequant[0] & 0xff;
+ txb_hash_data[hash_data_index++] = txb_info->dequant[1] & 0xff;
+ chunk = txb_info->txb_ctx->txb_skip_ctx & 0xff;
+ txb_hash_data[hash_data_index++] = chunk;
+ chunk = txb_info->txb_ctx->dc_sign_ctx & 0xff;
+ txb_hash_data[hash_data_index++] = chunk;
+ // eob
+ chunk = txb_info->eob & 0xff;
+ txb_hash_data[hash_data_index++] = chunk;
+ // rdmult (int64)
+ chunk = txb_info->rdmult & 0xff;
+ txb_hash_data[hash_data_index++] = chunk;
+ // tx_type
+ chunk = txb_info->tx_type & 0xff;
+ txb_hash_data[hash_data_index++] = chunk;
+ // base_eob_cost
+ for (int i = 1; i < 3; i++) { // i = 0 are softened away
+ for (int j = 0; j < SIG_COEF_CONTEXTS_EOB; j++) {
+ chunk = (txb_costs->base_eob_cost[j][i] & 0xff00) >> 8;
+ txb_hash_data[hash_data_index++] = chunk;
+ }
+ }
+ // eob_cost
+ for (int i = 0; i < 11; i++) {
+ for (int j = 0; j < 2; j++) {
+ chunk = (txb_eob_costs->eob_cost[j][i] & 0xff00) >> 8;
+ txb_hash_data[hash_data_index++] = chunk;
+ }
+ }
+ // dc_sign_cost
+ for (int i = 0; i < 2; i++) {
+ for (int j = 0; j < DC_SIGN_CONTEXTS; j++) {
+ chunk = (txb_costs->dc_sign_cost[j][i] & 0xff00) >> 8;
+ txb_hash_data[hash_data_index++] = chunk;
+ }
+ }
+
+ assert(hash_data_index <= 256);
+ // 31 bit ctx_hash: used to index table
+ uint32_t hbt_ctx_hash =
+ av1_get_crc32c_value(&crc_calculator, txb_hash_data, hash_data_index);
+ //// End hash creation
+
+ return hbt_search_match(hbt_ctx_hash, hbt_qc_hash, txb_info, txb_costs,
+ txb_eob_costs, p, block, fast_mode, rate_cost);
+}
+
+static AOM_FORCE_INLINE int get_coeff_cost_simple(
+ int ci, tran_low_t abs_qc, int coeff_ctx,
+ const LV_MAP_COEFF_COST *txb_costs, int bwl, TX_CLASS tx_class,
+ const uint8_t *levels) {
+ // this simple version assumes the coeff's scan_idx is not DC (scan_idx != 0)
+ // and not the last (scan_idx != eob - 1)
+ assert(ci > 0);
+ int cost = txb_costs->base_cost[coeff_ctx][AOMMIN(abs_qc, 3)];
+ if (abs_qc) {
+ cost += av1_cost_literal(1);
+ if (abs_qc > NUM_BASE_LEVELS) {
+ const int br_ctx = get_br_ctx(levels, ci, bwl, tx_class);
+ cost += get_br_cost(abs_qc, br_ctx, txb_costs->lps_cost[br_ctx]);
+ cost += get_golomb_cost(abs_qc);
+ }
+ }
+ return cost;
+}
+
+static INLINE int get_coeff_cost_general(int is_last, int ci, tran_low_t abs_qc,
+ int sign, int coeff_ctx,
+ int dc_sign_ctx,
+ const LV_MAP_COEFF_COST *txb_costs,
+ int bwl, TX_CLASS tx_class,
+ const uint8_t *levels) {
+ int cost = 0;
+ if (is_last) {
+ cost += txb_costs->base_eob_cost[coeff_ctx][AOMMIN(abs_qc, 3) - 1];
+ } else {
+ cost += txb_costs->base_cost[coeff_ctx][AOMMIN(abs_qc, 3)];
+ }
+ if (abs_qc != 0) {
+ if (ci == 0) {
+ cost += txb_costs->dc_sign_cost[dc_sign_ctx][sign];
+ } else {
+ cost += av1_cost_literal(1);
+ }
+ if (abs_qc > NUM_BASE_LEVELS) {
+ const int br_ctx = get_br_ctx(levels, ci, bwl, tx_class);
+ cost += get_br_cost(abs_qc, br_ctx, txb_costs->lps_cost[br_ctx]);
+ cost += get_golomb_cost(abs_qc);
+ }
+ }
+ return cost;
+}
+
+static INLINE void get_qc_dqc_low(tran_low_t abs_qc, int sign, int dqv,
+ int shift, tran_low_t *qc_low,
+ tran_low_t *dqc_low) {
+ tran_low_t abs_qc_low = abs_qc - 1;
+ *qc_low = (-sign ^ abs_qc_low) + sign;
+ assert((sign ? -abs_qc_low : abs_qc_low) == *qc_low);
+ tran_low_t abs_dqc_low = (abs_qc_low * dqv) >> shift;
+ *dqc_low = (-sign ^ abs_dqc_low) + sign;
+ assert((sign ? -abs_dqc_low : abs_dqc_low) == *dqc_low);
+}
+
+static INLINE void update_coeff_general(
+ int *accu_rate, int64_t *accu_dist, int si, int eob, TX_SIZE tx_size,
+ TX_CLASS tx_class, int bwl, int height, int64_t rdmult, int shift,
+ int dc_sign_ctx, const int16_t *dequant, const int16_t *scan,
+ const LV_MAP_COEFF_COST *txb_costs, const tran_low_t *tcoeff,
+ tran_low_t *qcoeff, tran_low_t *dqcoeff, uint8_t *levels) {
+ const int dqv = dequant[si != 0];
+ const int ci = scan[si];
+ const tran_low_t qc = qcoeff[ci];
+ const int is_last = si == (eob - 1);
+ const int coeff_ctx = get_lower_levels_ctx_general(
+ is_last, si, bwl, height, levels, ci, tx_size, tx_class);
+ if (qc == 0) {
+ *accu_rate += txb_costs->base_cost[coeff_ctx][0];
+ } else {
+ const int sign = (qc < 0) ? 1 : 0;
+ const tran_low_t abs_qc = abs(qc);
+ const tran_low_t tqc = tcoeff[ci];
+ const tran_low_t dqc = dqcoeff[ci];
+ const int64_t dist = get_coeff_dist(tqc, dqc, shift);
+ const int64_t dist0 = get_coeff_dist(tqc, 0, shift);
+ const int rate =
+ get_coeff_cost_general(is_last, ci, abs_qc, sign, coeff_ctx,
+ dc_sign_ctx, txb_costs, bwl, tx_class, levels);
+ const int64_t rd = RDCOST(rdmult, rate, dist);
+
+ tran_low_t qc_low, dqc_low;
+ get_qc_dqc_low(abs_qc, sign, dqv, shift, &qc_low, &dqc_low);
+ const tran_low_t abs_qc_low = abs_qc - 1;
+ const int64_t dist_low = get_coeff_dist(tqc, dqc_low, shift);
+ const int rate_low =
+ get_coeff_cost_general(is_last, ci, abs_qc_low, sign, coeff_ctx,
+ dc_sign_ctx, txb_costs, bwl, tx_class, levels);
+ const int64_t rd_low = RDCOST(rdmult, rate_low, dist_low);
+ if (rd_low < rd) {
+ qcoeff[ci] = qc_low;
+ dqcoeff[ci] = dqc_low;
+ levels[get_padded_idx(ci, bwl)] = AOMMIN(abs_qc_low, INT8_MAX);
+ *accu_rate += rate_low;
+ *accu_dist += dist_low - dist0;
+ } else {
+ *accu_rate += rate;
+ *accu_dist += dist - dist0;
+ }
+ }
+}
+
+static AOM_FORCE_INLINE void update_coeff_simple(
+ int *accu_rate, int si, int eob, TX_SIZE tx_size, TX_CLASS tx_class,
+ int bwl, int64_t rdmult, int shift, const int16_t *dequant,
+ const int16_t *scan, const LV_MAP_COEFF_COST *txb_costs,
+ const tran_low_t *tcoeff, tran_low_t *qcoeff, tran_low_t *dqcoeff,
+ uint8_t *levels) {
+ const int dqv = dequant[1];
+ (void)eob;
+ // this simple version assumes the coeff's scan_idx is not DC (scan_idx != 0)
+ // and not the last (scan_idx != eob - 1)
+ assert(si != eob - 1);
+ assert(si > 0);
+ const int ci = scan[si];
+ const tran_low_t qc = qcoeff[ci];
+ const int coeff_ctx =
+ get_lower_levels_ctx(levels, ci, bwl, tx_size, tx_class);
+ if (qc == 0) {
+ *accu_rate += txb_costs->base_cost[coeff_ctx][0];
+ } else {
+ const tran_low_t abs_qc = abs(qc);
+ const tran_low_t tqc = tcoeff[ci];
+ const tran_low_t dqc = dqcoeff[ci];
+ const int rate = get_coeff_cost_simple(ci, abs_qc, coeff_ctx, txb_costs,
+ bwl, tx_class, levels);
+ if (abs(dqc) < abs(tqc)) {
+ *accu_rate += rate;
+ return;
+ }
+ const int64_t dist = get_coeff_dist(tqc, dqc, shift);
+ const int64_t rd = RDCOST(rdmult, rate, dist);
+
+ const int sign = (qc < 0) ? 1 : 0;
+ tran_low_t qc_low, dqc_low;
+ get_qc_dqc_low(abs_qc, sign, dqv, shift, &qc_low, &dqc_low);
+ const tran_low_t abs_qc_low = abs_qc - 1;
+ const int64_t dist_low = get_coeff_dist(tqc, dqc_low, shift);
+ const int rate_low = get_coeff_cost_simple(
+ ci, abs_qc_low, coeff_ctx, txb_costs, bwl, tx_class, levels);
+ const int64_t rd_low = RDCOST(rdmult, rate_low, dist_low);
+ if (rd_low < rd) {
+ qcoeff[ci] = qc_low;
+ dqcoeff[ci] = dqc_low;
+ levels[get_padded_idx(ci, bwl)] = AOMMIN(abs_qc_low, INT8_MAX);
+ *accu_rate += rate_low;
+ } else {
+ *accu_rate += rate;
+ }
+ }
+}
+
+static AOM_FORCE_INLINE void update_coeff_eob(
+ int *accu_rate, int64_t *accu_dist, int *eob, int *nz_num, int *nz_ci,
+ int si, TX_SIZE tx_size, TX_CLASS tx_class, int bwl, int height,
+ int dc_sign_ctx, int64_t rdmult, int shift, const int16_t *dequant,
+ const int16_t *scan, const LV_MAP_EOB_COST *txb_eob_costs,
+ const LV_MAP_COEFF_COST *txb_costs, const tran_low_t *tcoeff,
+ tran_low_t *qcoeff, tran_low_t *dqcoeff, uint8_t *levels, int sharpness) {
+ const int dqv = dequant[si != 0];
+ assert(si != *eob - 1);
+ const int ci = scan[si];
+ const tran_low_t qc = qcoeff[ci];
+ const int coeff_ctx =
+ get_lower_levels_ctx(levels, ci, bwl, tx_size, tx_class);
+ if (qc == 0) {
+ *accu_rate += txb_costs->base_cost[coeff_ctx][0];
+ } else {
+ int lower_level = 0;
+ const tran_low_t abs_qc = abs(qc);
+ const tran_low_t tqc = tcoeff[ci];
+ const tran_low_t dqc = dqcoeff[ci];
+ const int sign = (qc < 0) ? 1 : 0;
+ const int64_t dist0 = get_coeff_dist(tqc, 0, shift);
+ int64_t dist = get_coeff_dist(tqc, dqc, shift) - dist0;
+ int rate =
+ get_coeff_cost_general(0, ci, abs_qc, sign, coeff_ctx, dc_sign_ctx,
+ txb_costs, bwl, tx_class, levels);
+ int64_t rd = RDCOST(rdmult, *accu_rate + rate, *accu_dist + dist);
+
+ tran_low_t qc_low, dqc_low;
+ get_qc_dqc_low(abs_qc, sign, dqv, shift, &qc_low, &dqc_low);
+ const tran_low_t abs_qc_low = abs_qc - 1;
+ const int64_t dist_low = get_coeff_dist(tqc, dqc_low, shift) - dist0;
+ const int rate_low =
+ get_coeff_cost_general(0, ci, abs_qc_low, sign, coeff_ctx, dc_sign_ctx,
+ txb_costs, bwl, tx_class, levels);
+ const int64_t rd_low =
+ RDCOST(rdmult, *accu_rate + rate_low, *accu_dist + dist_low);
+
+ int lower_level_new_eob = 0;
+ const int new_eob = si + 1;
+ uint8_t tmp_levels[3];
+ for (int ni = 0; ni < *nz_num; ++ni) {
+ const int last_ci = nz_ci[ni];
+ tmp_levels[ni] = levels[get_padded_idx(last_ci, bwl)];
+ levels[get_padded_idx(last_ci, bwl)] = 0;
+ }
+
+ const int coeff_ctx_new_eob = get_lower_levels_ctx_general(
+ 1, si, bwl, height, levels, ci, tx_size, tx_class);
+ const int new_eob_cost =
+ get_eob_cost(new_eob, txb_eob_costs, txb_costs, tx_class);
+ int rate_coeff_eob =
+ new_eob_cost + get_coeff_cost_general(1, ci, abs_qc, sign,
+ coeff_ctx_new_eob, dc_sign_ctx,
+ txb_costs, bwl, tx_class, levels);
+ int64_t dist_new_eob = dist;
+ int64_t rd_new_eob = RDCOST(rdmult, rate_coeff_eob, dist_new_eob);
+
+ if (abs_qc_low > 0) {
+ const int rate_coeff_eob_low =
+ new_eob_cost +
+ get_coeff_cost_general(1, ci, abs_qc_low, sign, coeff_ctx_new_eob,
+ dc_sign_ctx, txb_costs, bwl, tx_class, levels);
+ const int64_t dist_new_eob_low = dist_low;
+ const int64_t rd_new_eob_low =
+ RDCOST(rdmult, rate_coeff_eob_low, dist_new_eob_low);
+ if (rd_new_eob_low < rd_new_eob) {
+ lower_level_new_eob = 1;
+ rd_new_eob = rd_new_eob_low;
+ rate_coeff_eob = rate_coeff_eob_low;
+ dist_new_eob = dist_new_eob_low;
+ }
+ }
+
+ if (rd_low < rd) {
+ lower_level = 1;
+ rd = rd_low;
+ rate = rate_low;
+ dist = dist_low;
+ }
+
+ if (sharpness == 0 && rd_new_eob < rd) {
+ for (int ni = 0; ni < *nz_num; ++ni) {
+ int last_ci = nz_ci[ni];
+ // levels[get_padded_idx(last_ci, bwl)] = 0;
+ qcoeff[last_ci] = 0;
+ dqcoeff[last_ci] = 0;
+ }
+ *eob = new_eob;
+ *nz_num = 0;
+ *accu_rate = rate_coeff_eob;
+ *accu_dist = dist_new_eob;
+ lower_level = lower_level_new_eob;
+ } else {
+ for (int ni = 0; ni < *nz_num; ++ni) {
+ const int last_ci = nz_ci[ni];
+ levels[get_padded_idx(last_ci, bwl)] = tmp_levels[ni];
+ }
+ *accu_rate += rate;
+ *accu_dist += dist;
+ }
+
+ if (lower_level) {
+ qcoeff[ci] = qc_low;
+ dqcoeff[ci] = dqc_low;
+ levels[get_padded_idx(ci, bwl)] = AOMMIN(abs_qc_low, INT8_MAX);
+ }
+ if (qcoeff[ci]) {
+ nz_ci[*nz_num] = ci;
+ ++*nz_num;
+ }
+ }
+}
+
+static INLINE void update_skip(int *accu_rate, int64_t accu_dist, int *eob,
+ int nz_num, int *nz_ci, int64_t rdmult,
+ int skip_cost, int non_skip_cost,
+ tran_low_t *qcoeff, tran_low_t *dqcoeff,
+ int sharpness) {
+ const int64_t rd = RDCOST(rdmult, *accu_rate + non_skip_cost, accu_dist);
+ const int64_t rd_new_eob = RDCOST(rdmult, skip_cost, 0);
+ if (sharpness == 0 && rd_new_eob < rd) {
+ for (int i = 0; i < nz_num; ++i) {
+ const int ci = nz_ci[i];
+ qcoeff[ci] = 0;
+ dqcoeff[ci] = 0;
+ // no need to set up levels because this is the last step
+ // levels[get_padded_idx(ci, bwl)] = 0;
+ }
+ *accu_rate = 0;
+ *eob = 0;
+ }
+}
+
+int av1_optimize_txb_new(const struct AV1_COMP *cpi, MACROBLOCK *x, int plane,
+ int block, TX_SIZE tx_size, TX_TYPE tx_type,
+ const TXB_CTX *const txb_ctx, int *rate_cost,
+ int sharpness) {
+ const AV1_COMMON *cm = &cpi->common;
+ MACROBLOCKD *xd = &x->e_mbd;
+ const PLANE_TYPE plane_type = get_plane_type(plane);
+ const TX_SIZE txs_ctx = get_txsize_entropy_ctx(tx_size);
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+ const MB_MODE_INFO *mbmi = xd->mi[0];
+ const struct macroblock_plane *p = &x->plane[plane];
+ struct macroblockd_plane *pd = &xd->plane[plane];
+ tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+ tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+ const tran_low_t *tcoeff = BLOCK_OFFSET(p->coeff, block);
+ const int16_t *dequant = p->dequant_QTX;
+ const int bwl = get_txb_bwl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ const int height = get_txb_high(tx_size);
+ assert(width == (1 << bwl));
+ const int is_inter = is_inter_block(mbmi);
+ const SCAN_ORDER *scan_order = get_scan(tx_size, tx_type);
+ const int16_t *scan = scan_order->scan;
+ const LV_MAP_COEFF_COST *txb_costs = &x->coeff_costs[txs_ctx][plane_type];
+ const int eob_multi_size = txsize_log2_minus4[tx_size];
+ const LV_MAP_EOB_COST *txb_eob_costs =
+ &x->eob_costs[eob_multi_size][plane_type];
+
+ const int shift = av1_get_tx_scale(tx_size);
+ const int64_t rdmult =
+ ((x->rdmult * plane_rd_mult[is_inter][plane_type] << (2 * (xd->bd - 8))) +
+ 2) >>
+ (sharpness +
+ (cpi->oxcf.aq_mode == VARIANCE_AQ && mbmi->segment_id < 4
+ ? 7 - mbmi->segment_id
+ : 2) +
+ (cpi->oxcf.aq_mode != VARIANCE_AQ &&
+ cpi->oxcf.deltaq_mode > NO_DELTA_Q && x->sb_energy_level < 0
+ ? (3 - x->sb_energy_level)
+ : 0));
+
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, width);
+
+ av1_txb_init_levels(qcoeff, width, height, levels);
+
+ // TODO(angirbird): check iqmatrix
+
+ const int non_skip_cost = txb_costs->txb_skip_cost[txb_ctx->txb_skip_ctx][0];
+ const int skip_cost = txb_costs->txb_skip_cost[txb_ctx->txb_skip_ctx][1];
+ int eob = p->eobs[block];
+ const int eob_cost = get_eob_cost(eob, txb_eob_costs, txb_costs, tx_class);
+ int accu_rate = eob_cost;
+ int64_t accu_dist = 0;
+ int si = eob - 1;
+ const int ci = scan[si];
+ const tran_low_t qc = qcoeff[ci];
+ const tran_low_t abs_qc = abs(qc);
+ const int sign = qc < 0;
+ const int max_nz_num = 2;
+ int nz_num = 1;
+ int nz_ci[3] = { ci, 0, 0 };
+ if (abs_qc >= 2) {
+ update_coeff_general(&accu_rate, &accu_dist, si, eob, tx_size, tx_class,
+ bwl, height, rdmult, shift, txb_ctx->dc_sign_ctx,
+ dequant, scan, txb_costs, tcoeff, qcoeff, dqcoeff,
+ levels);
+ --si;
+ } else {
+ assert(abs_qc == 1);
+ const int coeff_ctx = get_lower_levels_ctx_general(
+ 1, si, bwl, height, levels, ci, tx_size, tx_class);
+ accu_rate += get_coeff_cost_general(1, ci, abs_qc, sign, coeff_ctx,
+ txb_ctx->dc_sign_ctx, txb_costs, bwl,
+ tx_class, levels);
+ const tran_low_t tqc = tcoeff[ci];
+ const tran_low_t dqc = dqcoeff[ci];
+ const int64_t dist = get_coeff_dist(tqc, dqc, shift);
+ const int64_t dist0 = get_coeff_dist(tqc, 0, shift);
+ accu_dist += dist - dist0;
+ --si;
+ }
+
+#define UPDATE_COEFF_EOB_CASE(tx_class_literal) \
+ case tx_class_literal: \
+ for (; si >= 0 && nz_num <= max_nz_num; --si) { \
+ update_coeff_eob(&accu_rate, &accu_dist, &eob, &nz_num, nz_ci, si, \
+ tx_size, tx_class_literal, bwl, height, \
+ txb_ctx->dc_sign_ctx, rdmult, shift, dequant, scan, \
+ txb_eob_costs, txb_costs, tcoeff, qcoeff, dqcoeff, \
+ levels, sharpness); \
+ } \
+ break;
+ switch (tx_class) {
+ UPDATE_COEFF_EOB_CASE(TX_CLASS_2D);
+ UPDATE_COEFF_EOB_CASE(TX_CLASS_HORIZ);
+ UPDATE_COEFF_EOB_CASE(TX_CLASS_VERT);
+#undef UPDATE_COEFF_EOB_CASE
+ default: assert(false);
+ }
+
+ if (si == -1 && nz_num <= max_nz_num) {
+ update_skip(&accu_rate, accu_dist, &eob, nz_num, nz_ci, rdmult, skip_cost,
+ non_skip_cost, qcoeff, dqcoeff, sharpness);
+ }
+
+#define UPDATE_COEFF_SIMPLE_CASE(tx_class_literal) \
+ case tx_class_literal: \
+ for (; si >= 1; --si) { \
+ update_coeff_simple(&accu_rate, si, eob, tx_size, tx_class_literal, bwl, \
+ rdmult, shift, dequant, scan, txb_costs, tcoeff, \
+ qcoeff, dqcoeff, levels); \
+ } \
+ break;
+ switch (tx_class) {
+ UPDATE_COEFF_SIMPLE_CASE(TX_CLASS_2D);
+ UPDATE_COEFF_SIMPLE_CASE(TX_CLASS_HORIZ);
+ UPDATE_COEFF_SIMPLE_CASE(TX_CLASS_VERT);
+#undef UPDATE_COEFF_SIMPLE_CASE
+ default: assert(false);
+ }
+
+ // DC position
+ if (si == 0) {
+ // no need to update accu_dist because it's not used after this point
+ int64_t dummy_dist = 0;
+ update_coeff_general(&accu_rate, &dummy_dist, si, eob, tx_size, tx_class,
+ bwl, height, rdmult, shift, txb_ctx->dc_sign_ctx,
+ dequant, scan, txb_costs, tcoeff, qcoeff, dqcoeff,
+ levels);
+ }
+
+ const int tx_type_cost = get_tx_type_cost(cm, x, xd, plane, tx_size, tx_type);
+ if (eob == 0)
+ accu_rate += skip_cost;
+ else
+ accu_rate += non_skip_cost + tx_type_cost;
+
+ p->eobs[block] = eob;
+ p->txb_entropy_ctx[block] =
+ av1_get_txb_entropy_context(qcoeff, scan_order, p->eobs[block]);
+
+ *rate_cost = accu_rate;
+ return eob;
+}
+
+// This function is deprecated, but we keep it here because hash trellis
+// is not integrated with av1_optimize_txb_new yet
+int av1_optimize_txb(const struct AV1_COMP *cpi, MACROBLOCK *x, int plane,
+ int blk_row, int blk_col, int block, TX_SIZE tx_size,
+ TXB_CTX *txb_ctx, int fast_mode, int *rate_cost) {
+ const AV1_COMMON *cm = &cpi->common;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ const PLANE_TYPE plane_type = get_plane_type(plane);
+ const TX_SIZE txs_ctx = get_txsize_entropy_ctx(tx_size);
+ const TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, blk_row, blk_col,
+ tx_size, cm->reduced_tx_set_used);
+ const MB_MODE_INFO *mbmi = xd->mi[0];
+ const struct macroblock_plane *p = &x->plane[plane];
+ struct macroblockd_plane *pd = &xd->plane[plane];
+ const int eob = p->eobs[block];
+ tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+ tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+ const tran_low_t *tcoeff = BLOCK_OFFSET(p->coeff, block);
+ const int16_t *dequant = p->dequant_QTX;
+ const int seg_eob = av1_get_max_eob(tx_size);
+ const int bwl = get_txb_bwl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ const int height = get_txb_high(tx_size);
+ const int is_inter = is_inter_block(mbmi);
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ const LV_MAP_COEFF_COST *txb_costs = &x->coeff_costs[txs_ctx][plane_type];
+ const int eob_multi_size = txsize_log2_minus4[tx_size];
+ const LV_MAP_EOB_COST txb_eob_costs =
+ x->eob_costs[eob_multi_size][plane_type];
+
+ const int shift = av1_get_tx_scale(tx_size);
+ const int64_t rdmult =
+ ((x->rdmult * plane_rd_mult[is_inter][plane_type] << (2 * (xd->bd - 8))) +
+ 2) >>
+ 2;
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, width);
+ const TX_SIZE qm_tx_size = av1_get_adjusted_tx_size(tx_size);
+ const qm_val_t *iqmatrix =
+ IS_2D_TRANSFORM(tx_type)
+ ? pd->seg_iqmatrix[mbmi->segment_id][qm_tx_size]
+ : cm->giqmatrix[NUM_QM_LEVELS - 1][0][qm_tx_size];
+ assert(width == (1 << bwl));
+ const int tx_type_cost = get_tx_type_cost(cm, x, xd, plane, tx_size, tx_type);
+ TxbInfo txb_info = {
+ qcoeff, levels, dqcoeff, tcoeff, dequant, shift,
+ tx_size, txs_ctx, tx_type, bwl, width, height,
+ eob, seg_eob, scan_order, txb_ctx, rdmult, &cm->coeff_ctx_table,
+ iqmatrix, tx_type_cost,
+ };
+
+ // Hash based trellis (hbt) speed feature: avoid expensive optimize_txb calls
+ // by storing the coefficient deltas in a hash table.
+ // Currently disabled in speedfeatures.c
+ if (eob <= HBT_EOB && eob > 0 && cpi->sf.use_hash_based_trellis) {
+ return hbt_create_hashes(&txb_info, txb_costs, &txb_eob_costs, p, block,
+ fast_mode, rate_cost);
+ }
+
+ av1_txb_init_levels(qcoeff, width, height, levels);
+
+ const int update =
+ optimize_txb(&txb_info, txb_costs, &txb_eob_costs, rate_cost);
+
+ if (update) {
+ p->eobs[block] = txb_info.eob;
+ p->txb_entropy_ctx[block] =
+ av1_get_txb_entropy_context(qcoeff, scan_order, txb_info.eob);
+ }
+ return txb_info.eob;
+}
+
+int av1_get_txb_entropy_context(const tran_low_t *qcoeff,
+ const SCAN_ORDER *scan_order, int eob) {
+ const int16_t *const scan = scan_order->scan;
+ int cul_level = 0;
+ int c;
+
+ if (eob == 0) return 0;
+ for (c = 0; c < eob; ++c) {
+ cul_level += abs(qcoeff[scan[c]]);
+ if (cul_level > COEFF_CONTEXT_MASK) break;
+ }
+
+ cul_level = AOMMIN(COEFF_CONTEXT_MASK, cul_level);
+ set_dc_sign(&cul_level, qcoeff[0]);
+
+ return cul_level;
+}
+
+void av1_update_txb_context_b(int plane, int block, int blk_row, int blk_col,
+ BLOCK_SIZE plane_bsize, TX_SIZE tx_size,
+ void *arg) {
+ struct tokenize_b_args *const args = arg;
+ const AV1_COMP *cpi = args->cpi;
+ const AV1_COMMON *cm = &cpi->common;
+ ThreadData *const td = args->td;
+ MACROBLOCK *const x = &td->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ struct macroblock_plane *p = &x->plane[plane];
+ struct macroblockd_plane *pd = &xd->plane[plane];
+ const uint16_t eob = p->eobs[block];
+ const tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+ const PLANE_TYPE plane_type = pd->plane_type;
+ const TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, blk_row, blk_col,
+ tx_size, cm->reduced_tx_set_used);
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ const int cul_level = av1_get_txb_entropy_context(qcoeff, scan_order, eob);
+ av1_set_contexts(xd, pd, plane, plane_bsize, tx_size, cul_level, blk_col,
+ blk_row);
+}
+
+static void update_tx_type_count(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int blk_row, int blk_col, int plane,
+ TX_SIZE tx_size, FRAME_COUNTS *counts,
+ uint8_t allow_update_cdf) {
+ MB_MODE_INFO *mbmi = xd->mi[0];
+ int is_inter = is_inter_block(mbmi);
+ FRAME_CONTEXT *fc = xd->tile_ctx;
+#if !CONFIG_ENTROPY_STATS
+ (void)counts;
+#endif // !CONFIG_ENTROPY_STATS
+
+ // Only y plane's tx_type is updated
+ if (plane > 0) return;
+ TX_TYPE tx_type = av1_get_tx_type(PLANE_TYPE_Y, xd, blk_row, blk_col, tx_size,
+ cm->reduced_tx_set_used);
+ if (get_ext_tx_types(tx_size, is_inter, cm->reduced_tx_set_used) > 1 &&
+ cm->base_qindex > 0 && !mbmi->skip &&
+ !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
+ const int eset = get_ext_tx_set(tx_size, is_inter, cm->reduced_tx_set_used);
+ if (eset > 0) {
+ const TxSetType tx_set_type =
+ av1_get_ext_tx_set_type(tx_size, is_inter, cm->reduced_tx_set_used);
+ if (is_inter) {
+ if (allow_update_cdf) {
+ update_cdf(fc->inter_ext_tx_cdf[eset][txsize_sqr_map[tx_size]],
+ av1_ext_tx_ind[tx_set_type][tx_type],
+ av1_num_ext_tx_set[tx_set_type]);
+ }
+#if CONFIG_ENTROPY_STATS
+ ++counts->inter_ext_tx[eset][txsize_sqr_map[tx_size]]
+ [av1_ext_tx_ind[tx_set_type][tx_type]];
+#endif // CONFIG_ENTROPY_STATS
+ } else {
+ PREDICTION_MODE intra_dir;
+ if (mbmi->filter_intra_mode_info.use_filter_intra)
+ intra_dir = fimode_to_intradir[mbmi->filter_intra_mode_info
+ .filter_intra_mode];
+ else
+ intra_dir = mbmi->mode;
+#if CONFIG_ENTROPY_STATS
+ ++counts->intra_ext_tx[eset][txsize_sqr_map[tx_size]][intra_dir]
+ [av1_ext_tx_ind[tx_set_type][tx_type]];
+#endif // CONFIG_ENTROPY_STATS
+ if (allow_update_cdf) {
+ update_cdf(
+ fc->intra_ext_tx_cdf[eset][txsize_sqr_map[tx_size]][intra_dir],
+ av1_ext_tx_ind[tx_set_type][tx_type],
+ av1_num_ext_tx_set[tx_set_type]);
+ }
+ }
+ }
+ }
+}
+
+void av1_update_and_record_txb_context(int plane, int block, int blk_row,
+ int blk_col, BLOCK_SIZE plane_bsize,
+ TX_SIZE tx_size, void *arg) {
+ struct tokenize_b_args *const args = arg;
+ const AV1_COMP *cpi = args->cpi;
+ const AV1_COMMON *cm = &cpi->common;
+ ThreadData *const td = args->td;
+ MACROBLOCK *const x = &td->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ struct macroblock_plane *p = &x->plane[plane];
+ struct macroblockd_plane *pd = &xd->plane[plane];
+ MB_MODE_INFO *mbmi = xd->mi[0];
+ const int eob = p->eobs[block];
+ TXB_CTX txb_ctx;
+ get_txb_ctx(plane_bsize, tx_size, plane, pd->above_context + blk_col,
+ pd->left_context + blk_row, &txb_ctx);
+ const int bwl = get_txb_bwl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ const int height = get_txb_high(tx_size);
+ const uint8_t allow_update_cdf = args->allow_update_cdf;
+ const TX_SIZE txsize_ctx = get_txsize_entropy_ctx(tx_size);
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+#if CONFIG_ENTROPY_STATS
+ int cdf_idx = cm->coef_cdf_category;
+#endif // CONFIG_ENTROPY_STATS
+
+#if CONFIG_ENTROPY_STATS
+ ++td->counts->txb_skip[cdf_idx][txsize_ctx][txb_ctx.txb_skip_ctx][eob == 0];
+#endif // CONFIG_ENTROPY_STATS
+ if (allow_update_cdf) {
+ update_cdf(ec_ctx->txb_skip_cdf[txsize_ctx][txb_ctx.txb_skip_ctx], eob == 0,
+ 2);
+ }
+
+ x->mbmi_ext->txb_skip_ctx[plane][block] = txb_ctx.txb_skip_ctx;
+ x->mbmi_ext->eobs[plane][block] = eob;
+
+ if (eob == 0) {
+ av1_set_contexts(xd, pd, plane, plane_bsize, tx_size, 0, blk_col, blk_row);
+ return;
+ }
+
+ tran_low_t *tcoeff = BLOCK_OFFSET(x->mbmi_ext->tcoeff[plane], block);
+ const int segment_id = mbmi->segment_id;
+ const int seg_eob = av1_get_tx_eob(&cpi->common.seg, segment_id, tx_size);
+ const tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+ memcpy(tcoeff, qcoeff, sizeof(*tcoeff) * seg_eob);
+
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, width);
+ av1_txb_init_levels(tcoeff, width, height, levels);
+ update_tx_type_count(cm, xd, blk_row, blk_col, plane, tx_size, td->counts,
+ allow_update_cdf);
+
+ const PLANE_TYPE plane_type = pd->plane_type;
+ const TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, blk_row, blk_col,
+ tx_size, cm->reduced_tx_set_used);
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ const int16_t *const scan = scan_order->scan;
+#if CONFIG_ENTROPY_STATS
+ av1_update_eob_context(cdf_idx, eob, tx_size, tx_class, plane_type, ec_ctx,
+ td->counts, allow_update_cdf);
+#else
+ av1_update_eob_context(eob, tx_size, tx_class, plane_type, ec_ctx,
+ allow_update_cdf);
+#endif
+
+ DECLARE_ALIGNED(16, int8_t, coeff_contexts[MAX_TX_SQUARE]);
+ av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class, coeff_contexts);
+
+ for (int c = eob - 1; c >= 0; --c) {
+ const int pos = scan[c];
+ const int coeff_ctx = coeff_contexts[pos];
+ const tran_low_t v = qcoeff[pos];
+ const tran_low_t level = abs(v);
+
+ if (allow_update_cdf) {
+ if (c == eob - 1) {
+ assert(coeff_ctx < 4);
+ update_cdf(
+ ec_ctx->coeff_base_eob_cdf[txsize_ctx][plane_type][coeff_ctx],
+ AOMMIN(level, 3) - 1, 3);
+ } else {
+ update_cdf(ec_ctx->coeff_base_cdf[txsize_ctx][plane_type][coeff_ctx],
+ AOMMIN(level, 3), 4);
+ }
+ }
+ {
+ if (c == eob - 1) {
+ assert(coeff_ctx < 4);
+#if CONFIG_ENTROPY_STATS
+ ++td->counts->coeff_base_eob_multi[cdf_idx][txsize_ctx][plane_type]
+ [coeff_ctx][AOMMIN(level, 3) - 1];
+ } else {
+ ++td->counts->coeff_base_multi[cdf_idx][txsize_ctx][plane_type]
+ [coeff_ctx][AOMMIN(level, 3)];
+#endif
+ }
+ }
+ if (level > NUM_BASE_LEVELS) {
+ const int base_range = level - 1 - NUM_BASE_LEVELS;
+ const int br_ctx = get_br_ctx(levels, pos, bwl, tx_class);
+ for (int idx = 0; idx < COEFF_BASE_RANGE; idx += BR_CDF_SIZE - 1) {
+ const int k = AOMMIN(base_range - idx, BR_CDF_SIZE - 1);
+ if (allow_update_cdf) {
+ update_cdf(ec_ctx->coeff_br_cdf[AOMMIN(txsize_ctx, TX_32X32)]
+ [plane_type][br_ctx],
+ k, BR_CDF_SIZE);
+ }
+ for (int lps = 0; lps < BR_CDF_SIZE - 1; lps++) {
+#if CONFIG_ENTROPY_STATS
+ ++td->counts->coeff_lps[AOMMIN(txsize_ctx, TX_32X32)][plane_type][lps]
+ [br_ctx][lps == k];
+#endif // CONFIG_ENTROPY_STATS
+ if (lps == k) break;
+ }
+#if CONFIG_ENTROPY_STATS
+ ++td->counts->coeff_lps_multi[cdf_idx][AOMMIN(txsize_ctx, TX_32X32)]
+ [plane_type][br_ctx][k];
+#endif
+ if (k < BR_CDF_SIZE - 1) break;
+ }
+ }
+ }
+
+ // Update the context needed to code the DC sign (if applicable)
+ if (tcoeff[0] != 0) {
+ const int dc_sign = (tcoeff[0] < 0) ? 1 : 0;
+ const int dc_sign_ctx = txb_ctx.dc_sign_ctx;
+#if CONFIG_ENTROPY_STATS
+ ++td->counts->dc_sign[plane_type][dc_sign_ctx][dc_sign];
+#endif // CONFIG_ENTROPY_STATS
+ if (allow_update_cdf)
+ update_cdf(ec_ctx->dc_sign_cdf[plane_type][dc_sign_ctx], dc_sign, 2);
+ x->mbmi_ext->dc_sign_ctx[plane][block] = dc_sign_ctx;
+ }
+
+ const int cul_level = av1_get_txb_entropy_context(tcoeff, scan_order, eob);
+ av1_set_contexts(xd, pd, plane, plane_bsize, tx_size, cul_level, blk_col,
+ blk_row);
+}
+
+void av1_update_txb_context(const AV1_COMP *cpi, ThreadData *td,
+ RUN_TYPE dry_run, BLOCK_SIZE bsize, int *rate,
+ int mi_row, int mi_col, uint8_t allow_update_cdf) {
+ const AV1_COMMON *const cm = &cpi->common;
+ const int num_planes = av1_num_planes(cm);
+ MACROBLOCK *const x = &td->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ MB_MODE_INFO *const mbmi = xd->mi[0];
+ struct tokenize_b_args arg = { cpi, td, NULL, 0, allow_update_cdf };
+ (void)rate;
+ (void)mi_row;
+ (void)mi_col;
+ if (mbmi->skip) {
+ av1_reset_skip_context(xd, mi_row, mi_col, bsize, num_planes);
+ return;
+ }
+
+ if (!dry_run) {
+ av1_foreach_transformed_block(xd, bsize, mi_row, mi_col,
+ av1_update_and_record_txb_context, &arg,
+ num_planes);
+ } else if (dry_run == DRY_RUN_NORMAL) {
+ av1_foreach_transformed_block(xd, bsize, mi_row, mi_col,
+ av1_update_txb_context_b, &arg, num_planes);
+ } else {
+ printf("DRY_RUN_COSTCOEFFS is not supported yet\n");
+ assert(0);
+ }
+}