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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/aom/av1/encoder/encodetxb.c
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/aom/av1/encoder/encodetxb.c')
-rw-r--r--third_party/aom/av1/encoder/encodetxb.c886
1 files changed, 886 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/encodetxb.c b/third_party/aom/av1/encoder/encodetxb.c
new file mode 100644
index 0000000000..5fe2a497c7
--- /dev/null
+++ b/third_party/aom/av1/encoder/encodetxb.c
@@ -0,0 +1,886 @@
+/*
+ * 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"
+
+void av1_alloc_txb_buf(AV1_COMP *cpi) {
+ AV1_COMMON *cm = &cpi->common;
+ CoeffBufferPool *coeff_buf_pool = &cpi->coeff_buffer_pool;
+ const int num_sb_rows =
+ CEIL_POWER_OF_TWO(cm->mi_params.mi_rows, cm->seq_params->mib_size_log2);
+ const int num_sb_cols =
+ CEIL_POWER_OF_TWO(cm->mi_params.mi_cols, cm->seq_params->mib_size_log2);
+ const int size = num_sb_rows * num_sb_cols;
+ const int num_planes = av1_num_planes(cm);
+ const int subsampling_x = cm->seq_params->subsampling_x;
+ const int subsampling_y = cm->seq_params->subsampling_y;
+ const int luma_max_sb_square =
+ 1 << num_pels_log2_lookup[cm->seq_params->sb_size];
+ const int chroma_max_sb_square =
+ luma_max_sb_square >> (subsampling_x + subsampling_y);
+ const int num_tcoeffs =
+ size * (luma_max_sb_square + (num_planes - 1) * chroma_max_sb_square);
+ const int txb_unit_size = TX_SIZE_W_MIN * TX_SIZE_H_MIN;
+
+ av1_free_txb_buf(cpi);
+ // TODO(jingning): This should be further reduced.
+ CHECK_MEM_ERROR(cm, cpi->coeff_buffer_base,
+ aom_malloc(sizeof(*cpi->coeff_buffer_base) * size));
+ CHECK_MEM_ERROR(
+ cm, coeff_buf_pool->tcoeff,
+ aom_memalign(32, sizeof(*coeff_buf_pool->tcoeff) * num_tcoeffs));
+ CHECK_MEM_ERROR(
+ cm, coeff_buf_pool->eobs,
+ aom_malloc(sizeof(*coeff_buf_pool->eobs) * num_tcoeffs / txb_unit_size));
+ CHECK_MEM_ERROR(cm, coeff_buf_pool->entropy_ctx,
+ aom_malloc(sizeof(*coeff_buf_pool->entropy_ctx) *
+ num_tcoeffs / txb_unit_size));
+
+ tran_low_t *tcoeff_ptr = coeff_buf_pool->tcoeff;
+ uint16_t *eob_ptr = coeff_buf_pool->eobs;
+ uint8_t *entropy_ctx_ptr = coeff_buf_pool->entropy_ctx;
+ for (int i = 0; i < size; i++) {
+ for (int plane = 0; plane < num_planes; plane++) {
+ const int max_sb_square =
+ (plane == AOM_PLANE_Y) ? luma_max_sb_square : chroma_max_sb_square;
+ cpi->coeff_buffer_base[i].tcoeff[plane] = tcoeff_ptr;
+ cpi->coeff_buffer_base[i].eobs[plane] = eob_ptr;
+ cpi->coeff_buffer_base[i].entropy_ctx[plane] = entropy_ctx_ptr;
+ tcoeff_ptr += max_sb_square;
+ eob_ptr += max_sb_square / txb_unit_size;
+ entropy_ctx_ptr += max_sb_square / txb_unit_size;
+ }
+ }
+}
+
+void av1_free_txb_buf(AV1_COMP *cpi) {
+ CoeffBufferPool *coeff_buf_pool = &cpi->coeff_buffer_pool;
+ aom_free(cpi->coeff_buffer_base);
+ cpi->coeff_buffer_base = NULL;
+ aom_free(coeff_buf_pool->tcoeff);
+ coeff_buf_pool->tcoeff = NULL;
+ aom_free(coeff_buf_pool->eobs);
+ coeff_buf_pool->eobs = NULL;
+ aom_free(coeff_buf_pool->entropy_ctx);
+ coeff_buf_pool->entropy_ctx = NULL;
+}
+
+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 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-
+};
+
+int av1_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 - av1_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 = av1_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 (av1_eob_offset_bits[eob_pt] > 0) {
+ int eob_ctx = eob_pt - 3;
+ int eob_shift = av1_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 INLINE int get_nz_map_ctx(const uint8_t *const levels,
+ const int coeff_idx, const int bhl,
+ const int width, 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 <= (width << bhl) / 8) return 1;
+ if (scan_idx <= (width << bhl) / 4) return 2;
+ return 3;
+ }
+ const int stats =
+ get_nz_mag(levels + get_padded_idx(coeff_idx, bhl), bhl, tx_class);
+ return get_nz_map_ctx_from_stats(stats, coeff_idx, bhl, tx_size, tx_class);
+}
+
+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 = height + TX_PAD_HOR;
+ uint8_t *ls = levels;
+
+ memset(levels + stride * width, 0,
+ sizeof(*levels) * (TX_PAD_BOTTOM * stride + TX_PAD_END));
+
+ for (int i = 0; i < width; i++) {
+ for (int j = 0; j < height; j++) {
+ *ls++ = (uint8_t)clamp(abs(coeff[i * height + 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 bhl = get_txb_bhl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ for (int i = 0; i < eob; ++i) {
+ const int pos = scan[i];
+ coeff_contexts[pos] = get_nz_map_ctx(levels, pos, bhl, width, i,
+ i == eob - 1, tx_size, tx_class);
+ }
+}
+
+void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCK *const x,
+ aom_writer *w, int blk_row, int blk_col, int plane,
+ int block, TX_SIZE tx_size) {
+ MACROBLOCKD *xd = &x->e_mbd;
+ const CB_COEFF_BUFFER *cb_coef_buff = x->cb_coef_buff;
+ const PLANE_TYPE plane_type = get_plane_type(plane);
+ const int txb_offset = x->mbmi_ext_frame->cb_offset[plane_type] /
+ (TX_SIZE_W_MIN * TX_SIZE_H_MIN);
+ const uint16_t *eob_txb = cb_coef_buff->eobs[plane] + txb_offset;
+ const uint16_t eob = eob_txb[block];
+ const uint8_t *entropy_ctx = cb_coef_buff->entropy_ctx[plane] + txb_offset;
+ const int txb_skip_ctx = entropy_ctx[block] & TXB_SKIP_CTX_MASK;
+ 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_skip_ctx], 2);
+ if (eob == 0) return;
+
+ const TX_TYPE tx_type =
+ av1_get_tx_type(xd, plane_type, blk_row, blk_col, tx_size,
+ cm->features.reduced_tx_set_used);
+ // Only y plane's tx_type is transmitted
+ if (plane == 0) {
+ av1_write_tx_type(cm, xd, tx_type, tx_size, w);
+ }
+
+ int eob_extra;
+ const int eob_pt = av1_get_eob_pos_token(eob, &eob_extra);
+ const int eob_multi_size = txsize_log2_minus4[tx_size];
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+ 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;
+ }
+
+ const int eob_offset_bits = av1_eob_offset_bits[eob_pt];
+ if (eob_offset_bits > 0) {
+ const int eob_ctx = eob_pt - 3;
+ int eob_shift = eob_offset_bits - 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 < eob_offset_bits; i++) {
+ eob_shift = eob_offset_bits - 1 - i;
+ bit = (eob_extra & (1 << eob_shift)) ? 1 : 0;
+ aom_write_bit(w, bit);
+ }
+ }
+
+ 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, height);
+ const tran_low_t *tcoeff_txb =
+ cb_coef_buff->tcoeff[plane] + x->mbmi_ext_frame->cb_offset[plane_type];
+ const tran_low_t *tcoeff = tcoeff_txb + BLOCK_OFFSET(block);
+ av1_txb_init_levels(tcoeff, width, height, levels);
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ const int16_t *const scan = scan_order->scan;
+ DECLARE_ALIGNED(16, int8_t, coeff_contexts[MAX_TX_SQUARE]);
+ av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class, coeff_contexts);
+
+ const int bhl = get_txb_bhl(tx_size);
+ 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 = 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, bhl, tx_class);
+ aom_cdf_prob *cdf =
+ ec_ctx->coeff_br_cdf[AOMMIN(txs_ctx, TX_32X32)][plane_type][br_ctx];
+ 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, cdf, 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 (int 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) {
+ const int dc_sign_ctx =
+ (entropy_ctx[block] >> DC_SIGN_CTX_SHIFT) & DC_SIGN_CTX_MASK;
+ aom_write_symbol(w, sign, ec_ctx->dc_sign_cdf[plane_type][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);
+ }
+ }
+}
+
+void av1_write_intra_coeffs_mb(const AV1_COMMON *const cm, MACROBLOCK *x,
+ 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 = mi_size_wide[max_unit_bsize];
+ int mu_blocks_high = mi_size_high[max_unit_bsize];
+ 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) {
+ if (plane && !xd->is_chroma_ref) break;
+ 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 struct macroblockd_plane *const pd = &xd->plane[plane];
+ 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) {
+ av1_write_coeffs_txb(cm, x, w, blk_row, blk_col, plane,
+ block[plane], tx_size);
+ block[plane] += step;
+ }
+ }
+ }
+ }
+ }
+}
+
+uint8_t 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 (uint8_t)cul_level;
+}
+
+static void update_tx_type_count(const AV1_COMP *cpi, 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);
+ const int reduced_tx_set_used = cm->features.reduced_tx_set_used;
+ 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;
+ const TX_TYPE tx_type = av1_get_tx_type(xd, PLANE_TYPE_Y, blk_row, blk_col,
+ tx_size, reduced_tx_set_used);
+ if (is_inter) {
+ if (cpi->oxcf.txfm_cfg.use_inter_dct_only) {
+ assert(tx_type == DCT_DCT);
+ }
+ } else {
+ if (cpi->oxcf.txfm_cfg.use_intra_dct_only) {
+ assert(tx_type == DCT_DCT);
+ } else if (cpi->oxcf.txfm_cfg.use_intra_default_tx_only) {
+ const TX_TYPE default_type = get_default_tx_type(
+ PLANE_TYPE_Y, xd, tx_size, cpi->use_screen_content_tools);
+ (void)default_type;
+ // TODO(kyslov): We don't always respect use_intra_default_tx_only flag in
+ // NonRD and REALTIME case. Specifically we ignore it in hybrid inta mode
+ // search, when picking up intra mode in nonRD inter mode search and in RD
+ // REALTIME mode when we limit TX type usage.
+ // We need to fix txfm cfg for these cases. Meanwhile relieving the
+ // assert.
+ assert(tx_type == default_type || cpi->sf.rt_sf.use_nonrd_pick_mode ||
+ cpi->oxcf.mode == REALTIME);
+ }
+ }
+
+ if (get_ext_tx_types(tx_size, is_inter, reduced_tx_set_used) > 1 &&
+ cm->quant_params.base_qindex > 0 && !mbmi->skip_txfm &&
+ !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
+ const int eset = get_ext_tx_set(tx_size, is_inter, reduced_tx_set_used);
+ if (eset > 0) {
+ const TxSetType tx_set_type =
+ av1_get_ext_tx_set_type(tx_size, is_inter, 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];
+ const int eob = p->eobs[block];
+ const int block_offset = BLOCK_OFFSET(block);
+ tran_low_t *qcoeff = p->qcoeff + block_offset;
+ const PLANE_TYPE plane_type = pd->plane_type;
+ const TX_TYPE tx_type =
+ av1_get_tx_type(xd, plane_type, blk_row, blk_col, tx_size,
+ cm->features.reduced_tx_set_used);
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ tran_low_t *tcoeff;
+ assert(args->dry_run != DRY_RUN_COSTCOEFFS);
+ if (args->dry_run == OUTPUT_ENABLED) {
+ MB_MODE_INFO *mbmi = xd->mi[0];
+ TXB_CTX txb_ctx;
+ get_txb_ctx(plane_bsize, tx_size, plane,
+ pd->above_entropy_context + blk_col,
+ pd->left_entropy_context + blk_row, &txb_ctx);
+ const int bhl = get_txb_bhl(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;
+ ++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);
+ }
+
+ CB_COEFF_BUFFER *cb_coef_buff = x->cb_coef_buff;
+ const int txb_offset = x->mbmi_ext_frame->cb_offset[plane_type] /
+ (TX_SIZE_W_MIN * TX_SIZE_H_MIN);
+ uint16_t *eob_txb = cb_coef_buff->eobs[plane] + txb_offset;
+ uint8_t *const entropy_ctx = cb_coef_buff->entropy_ctx[plane] + txb_offset;
+ entropy_ctx[block] = txb_ctx.txb_skip_ctx;
+ eob_txb[block] = eob;
+
+ if (eob == 0) {
+ av1_set_entropy_contexts(xd, pd, plane, plane_bsize, tx_size, 0, blk_col,
+ blk_row);
+ return;
+ }
+ const int segment_id = mbmi->segment_id;
+ const int seg_eob = av1_get_tx_eob(&cpi->common.seg, segment_id, tx_size);
+ tran_low_t *tcoeff_txb =
+ cb_coef_buff->tcoeff[plane] + x->mbmi_ext_frame->cb_offset[plane_type];
+ tcoeff = tcoeff_txb + block_offset;
+ memcpy(tcoeff, qcoeff, sizeof(*tcoeff) * seg_eob);
+
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, height);
+ av1_txb_init_levels(tcoeff, width, height, levels);
+ update_tx_type_count(cpi, cm, xd, blk_row, blk_col, plane, tx_size,
+ td->counts, allow_update_cdf);
+
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+ const int16_t *const scan = scan_order->scan;
+
+ // record tx type usage
+ td->rd_counts.tx_type_used[tx_size][tx_type]++;
+
+#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);
+ /* abs_sum_level is needed to decide the job scheduling order of
+ * pack bitstream multi-threading. This data is not needed if
+ * multi-threading is disabled. */
+ if (cpi->mt_info.pack_bs_mt_enabled) td->abs_sum_level += level;
+
+ 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, bhl, 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);
+ entropy_ctx[block] |= dc_sign_ctx << DC_SIGN_CTX_SHIFT;
+ }
+ } else {
+ tcoeff = qcoeff;
+ }
+ const uint8_t cul_level =
+ av1_get_txb_entropy_context(tcoeff, scan_order, eob);
+ av1_set_entropy_contexts(xd, pd, plane, plane_bsize, tx_size, cul_level,
+ blk_col, blk_row);
+}
+
+void av1_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];
+ const int eob = p->eobs[block];
+ const int block_offset = BLOCK_OFFSET(block);
+ tran_low_t *qcoeff = p->qcoeff + block_offset;
+ const PLANE_TYPE plane_type = pd->plane_type;
+ const TX_TYPE tx_type =
+ av1_get_tx_type(xd, plane_type, blk_row, blk_col, tx_size,
+ cm->features.reduced_tx_set_used);
+ const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
+ tran_low_t *tcoeff;
+ assert(args->dry_run != DRY_RUN_COSTCOEFFS);
+ if (args->dry_run == OUTPUT_ENABLED) {
+ MB_MODE_INFO *mbmi = xd->mi[0];
+ TXB_CTX txb_ctx;
+ get_txb_ctx(plane_bsize, tx_size, plane,
+ pd->above_entropy_context + blk_col,
+ pd->left_entropy_context + blk_row, &txb_ctx);
+#if CONFIG_ENTROPY_STATS
+ const TX_SIZE txsize_ctx = get_txsize_entropy_ctx(tx_size);
+ const int bhl = get_txb_bhl(tx_size);
+ const int width = get_txb_wide(tx_size);
+ const int height = get_txb_high(tx_size);
+ int cdf_idx = cm->coef_cdf_category;
+ ++td->counts->txb_skip[cdf_idx][txsize_ctx][txb_ctx.txb_skip_ctx][eob == 0];
+#endif // CONFIG_ENTROPY_STATS
+
+ CB_COEFF_BUFFER *cb_coef_buff = x->cb_coef_buff;
+ const int txb_offset = x->mbmi_ext_frame->cb_offset[plane_type] /
+ (TX_SIZE_W_MIN * TX_SIZE_H_MIN);
+ uint16_t *eob_txb = cb_coef_buff->eobs[plane] + txb_offset;
+ uint8_t *const entropy_ctx = cb_coef_buff->entropy_ctx[plane] + txb_offset;
+ entropy_ctx[block] = txb_ctx.txb_skip_ctx;
+ eob_txb[block] = eob;
+
+ if (eob == 0) {
+ av1_set_entropy_contexts(xd, pd, plane, plane_bsize, tx_size, 0, blk_col,
+ blk_row);
+ return;
+ }
+ const int segment_id = mbmi->segment_id;
+ const int seg_eob = av1_get_tx_eob(&cpi->common.seg, segment_id, tx_size);
+ tran_low_t *tcoeff_txb =
+ cb_coef_buff->tcoeff[plane] + x->mbmi_ext_frame->cb_offset[plane_type];
+ tcoeff = tcoeff_txb + block_offset;
+ memcpy(tcoeff, qcoeff, sizeof(*tcoeff) * seg_eob);
+
+#if CONFIG_ENTROPY_STATS
+ uint8_t levels_buf[TX_PAD_2D];
+ uint8_t *const levels = set_levels(levels_buf, height);
+ av1_txb_init_levels(tcoeff, width, height, levels);
+ update_tx_type_count(cpi, cm, xd, blk_row, blk_col, plane, tx_size,
+ td->counts, 0 /*allow_update_cdf*/);
+
+ const TX_CLASS tx_class = tx_type_to_class[tx_type];
+ const bool do_coeff_scan = true;
+#else
+ const bool do_coeff_scan = cpi->mt_info.pack_bs_mt_enabled;
+#endif
+ const int16_t *const scan = scan_order->scan;
+
+ // record tx type usage
+ td->rd_counts.tx_type_used[tx_size][tx_type]++;
+
+#if CONFIG_ENTROPY_STATS
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+ av1_update_eob_context(cdf_idx, eob, tx_size, tx_class, plane_type, ec_ctx,
+ td->counts, 0 /*allow_update_cdf*/);
+
+ DECLARE_ALIGNED(16, int8_t, coeff_contexts[MAX_TX_SQUARE]);
+ av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class,
+ coeff_contexts);
+#endif
+
+ for (int c = eob - 1; (c >= 0) && do_coeff_scan; --c) {
+ const int pos = scan[c];
+ const tran_low_t v = qcoeff[pos];
+ const tran_low_t level = abs(v);
+ /* abs_sum_level is needed to decide the job scheduling order of
+ * pack bitstream multi-threading. This data is not needed if
+ * multi-threading is disabled. */
+ if (cpi->mt_info.pack_bs_mt_enabled) td->abs_sum_level += level;
+
+#if CONFIG_ENTROPY_STATS
+ const int coeff_ctx = coeff_contexts[pos];
+ if (c == eob - 1) {
+ assert(coeff_ctx < 4);
+ ++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)];
+ }
+ if (level > NUM_BASE_LEVELS) {
+ const int base_range = level - 1 - NUM_BASE_LEVELS;
+ const int br_ctx = get_br_ctx(levels, pos, bhl, 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);
+ for (int lps = 0; lps < BR_CDF_SIZE - 1; lps++) {
+ ++td->counts->coeff_lps[AOMMIN(txsize_ctx, TX_32X32)][plane_type]
+ [lps][br_ctx][lps == k];
+ if (lps == k) break;
+ }
+ ++td->counts->coeff_lps_multi[cdf_idx][AOMMIN(txsize_ctx, TX_32X32)]
+ [plane_type][br_ctx][k];
+ if (k < BR_CDF_SIZE - 1) break;
+ }
+ }
+#endif
+ }
+ // Update the context needed to code the DC sign (if applicable)
+ if (tcoeff[0] != 0) {
+ const int dc_sign_ctx = txb_ctx.dc_sign_ctx;
+#if CONFIG_ENTROPY_STATS
+ const int dc_sign = (tcoeff[0] < 0) ? 1 : 0;
+ ++td->counts->dc_sign[plane_type][dc_sign_ctx][dc_sign];
+#endif // CONFIG_ENTROPY_STATS
+ entropy_ctx[block] |= dc_sign_ctx << DC_SIGN_CTX_SHIFT;
+ }
+ } else {
+ tcoeff = qcoeff;
+ }
+ const uint8_t cul_level =
+ av1_get_txb_entropy_context(tcoeff, scan_order, eob);
+ av1_set_entropy_contexts(xd, pd, plane, plane_bsize, tx_size, cul_level,
+ blk_col, blk_row);
+}
+
+void av1_update_intra_mb_txb_context(const AV1_COMP *cpi, ThreadData *td,
+ RUN_TYPE dry_run, BLOCK_SIZE bsize,
+ 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, 0, allow_update_cdf, dry_run };
+ if (mbmi->skip_txfm) {
+ av1_reset_entropy_context(xd, bsize, num_planes);
+ return;
+ }
+ const foreach_transformed_block_visitor visit =
+ allow_update_cdf ? av1_update_and_record_txb_context
+ : av1_record_txb_context;
+
+ for (int plane = 0; plane < num_planes; ++plane) {
+ if (plane && !xd->is_chroma_ref) break;
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int ss_x = pd->subsampling_x;
+ const int ss_y = pd->subsampling_y;
+ const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, ss_x, ss_y);
+ av1_foreach_transformed_block_in_plane(xd, plane_bsize, plane, visit, &arg);
+ }
+}
+
+CB_COEFF_BUFFER *av1_get_cb_coeff_buffer(const struct AV1_COMP *cpi, int mi_row,
+ int mi_col) {
+ const AV1_COMMON *const cm = &cpi->common;
+ const int mib_size_log2 = cm->seq_params->mib_size_log2;
+ const int stride =
+ CEIL_POWER_OF_TWO(cm->mi_params.mi_cols, cm->seq_params->mib_size_log2);
+ const int offset =
+ (mi_row >> mib_size_log2) * stride + (mi_col >> mib_size_log2);
+ return cpi->coeff_buffer_base + offset;
+}