diff options
Diffstat (limited to 'third_party/aom/av1/encoder/encodetxb.c')
| -rw-r--r-- | third_party/aom/av1/encoder/encodetxb.c | 3906 |
1 files changed, 1662 insertions, 2244 deletions
diff --git a/third_party/aom/av1/encoder/encodetxb.c b/third_party/aom/av1/encoder/encodetxb.c index 6209d6fa4..4d4802b46 100644 --- a/third_party/aom/av1/encoder/encodetxb.c +++ b/third_party/aom/av1/encoder/encodetxb.c @@ -9,65 +9,81 @@ * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ -#include "av1/common/scan.h" +#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/encodeframe.h" #include "av1/encoder/cost.h" -#include "av1/encoder/encodetxb.h" +#include "av1/encoder/encodeframe.h" +#include "av1/encoder/hash.h" #include "av1/encoder/rdopt.h" -#include "av1/encoder/subexp.h" #include "av1/encoder/tokenize.h" -#define TEST_OPTIMIZE_TXB 0 +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) { -#if 0 - AV1_COMMON *cm = &cpi->common; - int mi_block_size = 1 << MI_SIZE_LOG2; - // TODO(angiebird): Make sure cm->subsampling_x/y is set correctly, and then - // use precise buffer size according to cm->subsampling_x/y - int pixel_stride = mi_block_size * cm->mi_cols; - int pixel_height = mi_block_size * cm->mi_rows; - int i; - for (i = 0; i < MAX_MB_PLANE; ++i) { - CHECK_MEM_ERROR( - cm, cpi->tcoeff_buf[i], - aom_malloc(sizeof(*cpi->tcoeff_buf[i]) * pixel_stride * pixel_height)); - } -#else AV1_COMMON *cm = &cpi->common; - int size = ((cm->mi_rows >> MAX_MIB_SIZE_LOG2) + 1) * - ((cm->mi_cols >> MAX_MIB_SIZE_LOG2) + 1); + 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_malloc(sizeof(*cpi->coeff_buffer_base) * size)); -#endif + aom_memalign(32, sizeof(*cpi->coeff_buffer_base) * size)); } -void av1_free_txb_buf(AV1_COMP *cpi) { -#if 0 - int i; - for (i = 0; i < MAX_MB_PLANE; ++i) { - aom_free(cpi->tcoeff_buf[i]); - } -#else - aom_free(cpi->coeff_buffer_base); -#endif -} +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) { - int stride = (cpi->common.mi_cols >> MAX_MIB_SIZE_LOG2) + 1; - int offset = - (mi_row >> MAX_MIB_SIZE_LOG2) * stride + (mi_col >> MAX_MIB_SIZE_LOG2); + 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); - for (int plane = 0; plane < MAX_MB_PLANE; ++plane) { + 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] = @@ -93,435 +109,147 @@ static void write_golomb(aom_writer *w, int level) { for (i = length - 1; i >= 0; --i) aom_write_bit(w, (x >> i) & 0x01); } -static INLINE void write_nz_map(aom_writer *w, const tran_low_t *tcoeff, - uint16_t eob, int plane, const int16_t *scan, - TX_SIZE tx_size, TX_TYPE tx_type, - FRAME_CONTEXT *fc) { - const PLANE_TYPE plane_type = get_plane_type(plane); - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int height = tx_size_high[tx_size]; -#if CONFIG_CTX1D - const int width = tx_size_wide[tx_size]; - const int eob_offset = width + height; - const TX_CLASS tx_class = get_tx_class(tx_type); - const int seg_eob = - (tx_class == TX_CLASS_2D) ? tx_size_2d[tx_size] : eob_offset; -#else - const int seg_eob = tx_size_2d[tx_size]; -#endif -#if !LV_MAP_PROB - aom_prob *nz_map = fc->nz_map[txs_ctx][plane_type]; - aom_prob *eob_flag = fc->eob_flag[txs_ctx][plane_type]; -#endif - - for (int c = 0; c < eob; ++c) { - int coeff_ctx = get_nz_map_ctx(tcoeff, c, scan, bwl, height, tx_type); - int eob_ctx = get_eob_ctx(tcoeff, scan[c], txs_ctx, tx_type); - - tran_low_t v = tcoeff[scan[c]]; - int is_nz = (v != 0); - - if (c == seg_eob - 1) break; - -#if LV_MAP_PROB - aom_write_bin(w, is_nz, fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], 2); -#else - aom_write(w, is_nz, nz_map[coeff_ctx]); -#endif - - if (is_nz) { -#if LV_MAP_PROB - aom_write_bin(w, c == (eob - 1), - fc->eob_flag_cdf[txs_ctx][plane_type][eob_ctx], 2); -#else - aom_write(w, c == (eob - 1), eob_flag[eob_ctx]); -#endif - } +static INLINE tran_low_t get_lower_coeff(tran_low_t qc) { + if (qc == 0) { + return 0; } + return qc > 0 ? qc - 1 : qc + 1; } -#if CONFIG_CTX1D -static INLINE void write_nz_map_vert(aom_writer *w, const tran_low_t *tcoeff, - uint16_t eob, int plane, - const int16_t *scan, const int16_t *iscan, - TX_SIZE tx_size, TX_TYPE tx_type, - FRAME_CONTEXT *fc) { - (void)eob; - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - const PLANE_TYPE plane_type = get_plane_type(plane); - const TX_CLASS tx_class = get_tx_class(tx_type); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int width = tx_size_wide[tx_size]; - const int height = tx_size_high[tx_size]; - int16_t eob_ls[MAX_HVTX_SIZE]; - get_eob_vert(eob_ls, tcoeff, width, height); -#if !LV_MAP_PROB - aom_prob *nz_map = fc->nz_map[txs_ctx][plane_type]; -#endif - for (int c = 0; c < width; ++c) { - int16_t veob = eob_ls[c]; - assert(veob <= height); - int el_ctx = get_empty_line_ctx(c, eob_ls); -#if LV_MAP_PROB - aom_write_bin(w, veob == 0, - fc->empty_line_cdf[txs_ctx][plane_type][tx_class][el_ctx], 2); -#else - aom_write(w, veob == 0, - fc->empty_line[txs_ctx][plane_type][tx_class][el_ctx]); -#endif - if (veob) { - for (int r = 0; r < veob; ++r) { - if (r + 1 != height) { - int coeff_idx = r * width + c; - int scan_idx = iscan[coeff_idx]; - int is_nz = tcoeff[coeff_idx] != 0; - int coeff_ctx = - get_nz_map_ctx(tcoeff, scan_idx, scan, bwl, height, tx_type); -#if LV_MAP_PROB - aom_write_bin(w, is_nz, - fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], 2); -#else - aom_write(w, is_nz, nz_map[coeff_ctx]); -#endif - if (is_nz) { - int eob_ctx = get_hv_eob_ctx(c, r, eob_ls); -#if LV_MAP_PROB - aom_write_bin( - w, r == veob - 1, - fc->hv_eob_cdf[txs_ctx][plane_type][tx_class][eob_ctx], 2); -#else - aom_write(w, r == veob - 1, - fc->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx]); -#endif - } - } - } - } - } +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 void write_nz_map_horiz(aom_writer *w, const tran_low_t *tcoeff, - uint16_t eob, int plane, - const int16_t *scan, const int16_t *iscan, - TX_SIZE tx_size, TX_TYPE tx_type, - FRAME_CONTEXT *fc) { - (void)scan; - (void)eob; - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - const PLANE_TYPE plane_type = get_plane_type(plane); - const TX_CLASS tx_class = get_tx_class(tx_type); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int width = tx_size_wide[tx_size]; - const int height = tx_size_high[tx_size]; - int16_t eob_ls[MAX_HVTX_SIZE]; - get_eob_horiz(eob_ls, tcoeff, width, height); -#if !LV_MAP_PROB - aom_prob *nz_map = fc->nz_map[txs_ctx][plane_type]; -#endif - for (int r = 0; r < height; ++r) { - int16_t heob = eob_ls[r]; - int el_ctx = get_empty_line_ctx(r, eob_ls); -#if LV_MAP_PROB - aom_write_bin(w, heob == 0, - fc->empty_line_cdf[txs_ctx][plane_type][tx_class][el_ctx], 2); -#else - aom_write(w, heob == 0, - fc->empty_line[txs_ctx][plane_type][tx_class][el_ctx]); -#endif - if (heob) { - for (int c = 0; c < heob; ++c) { - if (c + 1 != width) { - int coeff_idx = r * width + c; - int scan_idx = iscan[coeff_idx]; - int is_nz = tcoeff[coeff_idx] != 0; - int coeff_ctx = - get_nz_map_ctx(tcoeff, scan_idx, scan, bwl, height, tx_type); -#if LV_MAP_PROB - aom_write_bin(w, is_nz, - fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], 2); -#else - aom_write(w, is_nz, nz_map[coeff_ctx]); -#endif - if (is_nz) { - int eob_ctx = get_hv_eob_ctx(r, c, eob_ls); -#if LV_MAP_PROB - aom_write_bin( - w, c == heob - 1, - fc->hv_eob_cdf[txs_ctx][plane_type][tx_class][eob_ctx], 2); -#else - aom_write(w, c == heob - 1, - fc->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx]); -#endif - } - } - } - } - } +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; } -#endif - -void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd, - aom_writer *w, int blk_row, int blk_col, int block, - int plane, TX_SIZE tx_size, const tran_low_t *tcoeff, - uint16_t eob, TXB_CTX *txb_ctx) { - MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; - const PLANE_TYPE plane_type = get_plane_type(plane); - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - const TX_TYPE tx_type = - av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size); - const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, mbmi); - const int16_t *scan = scan_order->scan; - int c; - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int height = tx_size_high[tx_size]; - uint16_t update_eob = 0; - FRAME_CONTEXT *ec_ctx = xd->tile_ctx; - (void)blk_row; - (void)blk_col; - -#if LV_MAP_PROB - aom_write_bin(w, eob == 0, - ec_ctx->txb_skip_cdf[txs_ctx][txb_ctx->txb_skip_ctx], 2); +#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 - aom_write(w, eob == 0, ec_ctx->txb_skip[txs_ctx][txb_ctx->txb_skip_ctx]); +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); - if (eob == 0) return; -#if CONFIG_TXK_SEL - av1_write_tx_type(cm, xd, blk_row, blk_col, block, plane, - get_min_tx_size(tx_size), w); -#endif + const int eob_multi_size = txsize_log2_minus4[tx_size]; + const int eob_multi_ctx = (tx_class == TX_CLASS_2D) ? 0 : 1; -#if CONFIG_CTX1D - TX_CLASS tx_class = get_tx_class(tx_type); - if (tx_class == TX_CLASS_2D) { - write_nz_map(w, tcoeff, eob, plane, scan, tx_size, tx_type, ec_ctx); - } else { - const int width = tx_size_wide[tx_size]; - const int eob_offset = width + height; - const int eob_mode = eob > eob_offset; -#if LV_MAP_PROB - aom_write_bin(w, eob_mode, - ec_ctx->eob_mode_cdf[txs_ctx][plane_type][tx_class], 2); -#else - aom_write(w, eob_mode, ec_ctx->eob_mode[txs_ctx][plane_type][tx_class]); + switch (eob_multi_size) { + case 0: +#if CONFIG_ENTROPY_STATS + ++counts->eob_multi16[cdf_idx][plane][eob_multi_ctx][eob_pt - 1]; #endif - if (eob_mode == 0) { - write_nz_map(w, tcoeff, eob, plane, scan, tx_size, tx_type, ec_ctx); - } else { - const int16_t *iscan = scan_order->iscan; - assert(tx_class == TX_CLASS_VERT || tx_class == TX_CLASS_HORIZ); - if (tx_class == TX_CLASS_VERT) - write_nz_map_vert(w, tcoeff, eob, plane, scan, iscan, tx_size, tx_type, - ec_ctx); - else - write_nz_map_horiz(w, tcoeff, eob, plane, scan, iscan, tx_size, tx_type, - ec_ctx); - } - } -#else - write_nz_map(w, tcoeff, eob, plane, scan, tx_size, tx_type, ec_ctx); -#endif // CONFIG_CTX1D - - int i; - for (i = 0; i < NUM_BASE_LEVELS; ++i) { -#if !LV_MAP_PROB - aom_prob *coeff_base = ec_ctx->coeff_base[txs_ctx][plane_type][i]; + 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 - update_eob = 0; - for (c = eob - 1; c >= 0; --c) { - tran_low_t v = tcoeff[scan[c]]; - tran_low_t level = abs(v); - int sign = (v < 0) ? 1 : 0; - int ctx; - - if (level <= i) continue; - - ctx = get_base_ctx(tcoeff, scan[c], bwl, height, i + 1); - - if (level == i + 1) { -#if LV_MAP_PROB - aom_write_bin(w, 1, ec_ctx->coeff_base_cdf[txs_ctx][plane_type][i][ctx], - 2); -#else - aom_write(w, 1, coeff_base[ctx]); + 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 (c == 0) { -#if LV_MAP_PROB - aom_write_bin(w, sign, - ec_ctx->dc_sign_cdf[plane_type][txb_ctx->dc_sign_ctx], - 2); -#else - aom_write(w, sign, ec_ctx->dc_sign[plane_type][txb_ctx->dc_sign_ctx]); + 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 - } else { - aom_write_bit(w, sign); - } - continue; + if (allow_update_cdf) { + update_cdf(ec_ctx->eob_flag_cdf128[plane][eob_multi_ctx], eob_pt - 1, + 8); } - -#if LV_MAP_PROB - aom_write_bin(w, 0, ec_ctx->coeff_base_cdf[txs_ctx][plane_type][i][ctx], - 2); -#else - aom_write(w, 0, coeff_base[ctx]); -#endif - update_eob = AOMMAX(update_eob, c); - } - } - - for (c = update_eob; c >= 0; --c) { - tran_low_t v = tcoeff[scan[c]]; - tran_low_t level = abs(v); - int sign = (v < 0) ? 1 : 0; - int idx; - int ctx; - - if (level <= NUM_BASE_LEVELS) continue; - - if (c == 0) { -#if LV_MAP_PROB - aom_write_bin(w, sign, - ec_ctx->dc_sign_cdf[plane_type][txb_ctx->dc_sign_ctx], 2); -#else - aom_write(w, sign, ec_ctx->dc_sign[plane_type][txb_ctx->dc_sign_ctx]); + break; + case 4: +#if CONFIG_ENTROPY_STATS + ++counts->eob_multi256[cdf_idx][plane][eob_multi_ctx][eob_pt - 1]; #endif - } else { - aom_write_bit(w, sign); - } - - // level is above 1. - ctx = get_br_ctx(tcoeff, scan[c], bwl, height); - -#if BR_NODE - int base_range = level - 1 - NUM_BASE_LEVELS; - int br_set_idx = 0; - int br_base = 0; - int br_offset = 0; - - if (base_range >= COEFF_BASE_RANGE) - br_set_idx = BASE_RANGE_SETS; - else - br_set_idx = coeff_to_br_index[base_range]; - - for (idx = 0; idx < BASE_RANGE_SETS; ++idx) { - aom_write_bin(w, idx == br_set_idx, - ec_ctx->coeff_br_cdf[txs_ctx][plane_type][idx][ctx], 2); - if (idx == br_set_idx) { - br_base = br_index_to_coeff[br_set_idx]; - br_offset = base_range - br_base; - int extra_bits = (1 << br_extra_bits[idx]) - 1; - for (int tok = 0; tok < extra_bits; ++tok) { - if (tok == br_offset) { - aom_write_bin(w, 1, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], - 2); - break; - } - aom_write_bin(w, 0, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], - 2); - } - // aom_write_literal(w, br_offset, br_extra_bits[idx]); - break; + if (allow_update_cdf) { + update_cdf(ec_ctx->eob_flag_cdf256[plane][eob_multi_ctx], eob_pt - 1, + 9); } - } - - if (br_set_idx < BASE_RANGE_SETS) continue; -#else // BR_NODE - for (idx = 0; idx < COEFF_BASE_RANGE; ++idx) { - if (level == (idx + 1 + NUM_BASE_LEVELS)) { -#if LV_MAP_PROB - aom_write_bin(w, 1, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2); -#else - aom_write(w, 1, ec_ctx->coeff_lps[txs_ctx][plane_type][ctx]); + break; + case 5: +#if CONFIG_ENTROPY_STATS + ++counts->eob_multi512[cdf_idx][plane][eob_multi_ctx][eob_pt - 1]; #endif - break; + if (allow_update_cdf) { + update_cdf(ec_ctx->eob_flag_cdf512[plane][eob_multi_ctx], eob_pt - 1, + 10); } -#if LV_MAP_PROB - aom_write_bin(w, 0, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2); -#else - aom_write(w, 0, ec_ctx->coeff_lps[txs_ctx][plane_type][ctx]); -#endif - } - if (idx < COEFF_BASE_RANGE) continue; -#endif // BR_NODE - - // use 0-th order Golomb code to handle the residual level. - write_golomb(w, level - COEFF_BASE_RANGE - 1 - NUM_BASE_LEVELS); + 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; } -} - -void av1_write_coeffs_mb(const AV1_COMMON *const cm, MACROBLOCK *x, - aom_writer *w, int plane) { - MACROBLOCKD *xd = &x->e_mbd; - MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; - BLOCK_SIZE bsize = mbmi->sb_type; - struct macroblockd_plane *pd = &xd->plane[plane]; -#if CONFIG_CHROMA_SUB8X8 - const BLOCK_SIZE plane_bsize = - AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd)); -#elif CONFIG_CB4X4 - const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd); -#else - const BLOCK_SIZE plane_bsize = - get_plane_block_size(AOMMAX(bsize, BLOCK_8X8), pd); -#endif - const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane); - const int max_blocks_high = max_block_high(xd, plane_bsize, plane); - const TX_SIZE tx_size = av1_get_tx_size(plane, xd); - const int bkw = tx_size_wide_unit[tx_size]; - const int bkh = tx_size_high_unit[tx_size]; - const int step = tx_size_wide_unit[tx_size] * tx_size_high_unit[tx_size]; - int row, col; - int block = 0; - for (row = 0; row < max_blocks_high; row += bkh) { - for (col = 0; col < max_blocks_wide; col += bkw) { - 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, row, col, block, plane, tx_size, tcoeff, - eob, &txb_ctx); - block += step; - } + 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 INLINE void get_base_ctx_set(const tran_low_t *tcoeffs, - int c, // raster order - const int bwl, const int height, - int ctx_set[NUM_BASE_LEVELS]) { - const int row = c >> bwl; - const int col = c - (row << bwl); - const int stride = 1 << bwl; - int mag[NUM_BASE_LEVELS] = { 0 }; - int idx; - tran_low_t abs_coeff; - int i; - - for (idx = 0; idx < BASE_CONTEXT_POSITION_NUM; ++idx) { - int ref_row = row + base_ref_offset[idx][0]; - int ref_col = col + base_ref_offset[idx][1]; - int pos = (ref_row << bwl) + ref_col; - - if (ref_row < 0 || ref_col < 0 || ref_row >= height || ref_col >= stride) - continue; - - abs_coeff = abs(tcoeffs[pos]); - - for (i = 0; i < NUM_BASE_LEVELS; ++i) { - ctx_set[i] += abs_coeff > i; - if (base_ref_offset[idx][0] >= 0 && base_ref_offset[idx][1] >= 0) - mag[i] |= abs_coeff > (i + 1); - } - } +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; +} - for (i = 0; i < NUM_BASE_LEVELS; ++i) { - ctx_set[i] = get_base_ctx_from_count_mag(row, col, ctx_set[i], mag[i]); +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; + return av1_cost_literal(1); } static INLINE int get_br_cost(tran_low_t abs_qc, int ctx, @@ -530,1440 +258,1522 @@ static INLINE int get_br_cost(tran_low_t abs_qc, int ctx, const tran_low_t max_level = 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE; (void)ctx; if (abs_qc >= min_level) { -#if BR_NODE - if (abs_qc >= max_level) + if (abs_qc >= max_level) { return coeff_lps[COEFF_BASE_RANGE]; // COEFF_BASE_RANGE * cost0; - else + } else { return coeff_lps[(abs_qc - min_level)]; // * cost0 + cost1; -#else - const int cost0 = coeff_lps[0]; - const int cost1 = coeff_lps[1]; - if (abs_qc >= max_level) - return COEFF_BASE_RANGE * cost0; - else - return (abs_qc - min_level) * cost0 + cost1; -#endif - } else { - return 0; + } } + return 0; } -static INLINE int get_base_cost(tran_low_t abs_qc, int ctx, - const int coeff_base[2], int base_idx) { - const int level = base_idx + 1; - (void)ctx; - if (abs_qc < level) - return 0; - else - return coeff_base[abs_qc == level]; -} - -int get_nz_eob_map_cost(const LV_MAP_COEFF_COST *coeff_costs, - const tran_low_t *qcoeff, uint16_t eob, int plane, - const int16_t *scan, TX_SIZE tx_size, TX_TYPE tx_type) { - (void)plane; - TX_SIZE txs_ctx = get_txsize_context(tx_size); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int height = tx_size_high[tx_size]; -#if CONFIG_CTX1D - const TX_CLASS tx_class = get_tx_class(tx_type); - const int width = tx_size_wide[tx_size]; - const int eob_offset = width + height; - const int seg_eob = - (tx_class == TX_CLASS_2D) ? tx_size_2d[tx_size] : eob_offset; -#else - const int seg_eob = tx_size_2d[tx_size]; -#endif - int cost = 0; - for (int c = 0; c < eob; ++c) { - tran_low_t v = qcoeff[scan[c]]; - int is_nz = (v != 0); - if (c + 1 != seg_eob) { - int coeff_ctx = get_nz_map_ctx(qcoeff, c, scan, bwl, height, tx_type); - cost += coeff_costs->nz_map_cost[coeff_ctx][is_nz]; - if (is_nz) { - int eob_ctx = get_eob_ctx(qcoeff, scan[c], txs_ctx, tx_type); - cost += coeff_costs->eob_cost[eob_ctx][c == (eob - 1)]; - } - } +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 cost; + return 0; } -#if CONFIG_CTX1D -static INLINE int get_nz_eob_map_cost_vert(const LV_MAP_COEFF_COST *coeff_costs, - const tran_low_t *qcoeff, - uint16_t eob, int plane, - const int16_t *scan, - const int16_t *iscan, - TX_SIZE tx_size, TX_TYPE tx_type) { - (void)tx_size; - (void)scan; - (void)eob; - (void)plane; - const TX_CLASS tx_class = get_tx_class(tx_type); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int width = tx_size_wide[tx_size]; - const int height = tx_size_high[tx_size]; - int16_t eob_ls[MAX_HVTX_SIZE]; - get_eob_vert(eob_ls, qcoeff, width, height); +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; - for (int c = 0; c < width; ++c) { - int16_t veob = eob_ls[c]; - assert(veob <= height); - int el_ctx = get_empty_line_ctx(c, eob_ls); - cost += coeff_costs->empty_line_cost[tx_class][el_ctx][veob == 0]; - if (veob) { - for (int r = 0; r < veob; ++r) { - if (r + 1 != height) { - int coeff_idx = r * width + c; - int scan_idx = iscan[coeff_idx]; - int is_nz = qcoeff[coeff_idx] != 0; - int coeff_ctx = - get_nz_map_ctx(qcoeff, scan_idx, scan, bwl, height, tx_type); - cost += coeff_costs->nz_map_cost[coeff_ctx][is_nz]; - if (is_nz) { - int eob_ctx = get_hv_eob_ctx(c, r, eob_ls); - cost += coeff_costs->hv_eob_cost[tx_class][eob_ctx][r == veob - 1]; - } - } - } - } + 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)]; } - return cost; -} + if (is_nz) { + cost += get_sign_bit_cost(qc, scan_idx, txb_costs->dc_sign_cost, + txb_ctx->dc_sign_ctx); -static INLINE int get_nz_eob_map_cost_horiz( - const LV_MAP_COEFF_COST *coeff_costs, const tran_low_t *qcoeff, - uint16_t eob, int plane, const int16_t *scan, const int16_t *iscan, - TX_SIZE tx_size, TX_TYPE tx_type) { - (void)tx_size; - (void)scan; - (void)eob; - (void)plane; - const TX_CLASS tx_class = get_tx_class(tx_type); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int width = tx_size_wide[tx_size]; - const int height = tx_size_high[tx_size]; - int16_t eob_ls[MAX_HVTX_SIZE]; - get_eob_horiz(eob_ls, qcoeff, width, height); - int cost = 0; - for (int r = 0; r < height; ++r) { - int16_t heob = eob_ls[r]; - assert(heob <= width); - int el_ctx = get_empty_line_ctx(r, eob_ls); - cost += coeff_costs->empty_line_cost[tx_class][el_ctx][heob == 0]; - if (heob) { - for (int c = 0; c < heob; ++c) { - if (c + 1 != width) { - int coeff_idx = r * width + c; - int scan_idx = iscan[coeff_idx]; - int is_nz = qcoeff[coeff_idx] != 0; - int coeff_ctx = - get_nz_map_ctx(qcoeff, scan_idx, scan, bwl, height, tx_type); - cost += coeff_costs->nz_map_cost[coeff_ctx][is_nz]; - if (is_nz) { - int eob_ctx = get_hv_eob_ctx(r, c, eob_ls); - cost += coeff_costs->hv_eob_cost[tx_class][eob_ctx][c == heob - 1]; - } - } - } + 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; } -#endif -int av1_cost_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCK *x, int plane, - int blk_row, int blk_col, int block, TX_SIZE tx_size, - TXB_CTX *txb_ctx) { - MACROBLOCKD *const xd = &x->e_mbd; - TX_SIZE txs_ctx = get_txsize_context(tx_size); - 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, block, tx_size); - MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; - const struct macroblock_plane *p = &x->plane[plane]; - const int eob = p->eobs[block]; - const tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); - int c, cost; - int txb_skip_ctx = txb_ctx->txb_skip_ctx; +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); +} - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int height = tx_size_high[tx_size]; +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 SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, mbmi); - const int16_t *scan = scan_order->scan; + 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); - LV_MAP_COEFF_COST *coeff_costs = &x->coeff_costs[txs_ctx][plane_type]; + // 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); - cost = 0; + stats->dist0 = get_coeff_dist(tqc, dqc0, txb_info->shift); + stats->dist = dqc_dist - stats->dist0; + stats->rate = qc_cost; - if (eob == 0) { - cost = coeff_costs->txb_skip_cost[txb_skip_ctx][1]; - return cost; - } - cost = coeff_costs->txb_skip_cost[txb_skip_ctx][0]; + stats->rd = RDCOST(txb_info->rdmult, stats->rate, stats->dist); -#if CONFIG_TXK_SEL - cost += av1_tx_type_cost(cm, x, xd, mbmi->sb_type, plane, tx_size, tx_type); -#endif + stats->low_qc = get_lower_coeff(qc); -#if CONFIG_CTX1D - TX_CLASS tx_class = get_tx_class(tx_type); - if (tx_class == TX_CLASS_2D) { - cost += get_nz_eob_map_cost(coeff_costs, qcoeff, eob, plane, scan, tx_size, - tx_type); + if (is_eob && stats->low_qc == 0) { + stats->rd_low = stats->rd; // disable selection of low_qc in this case. } else { - const int width = tx_size_wide[tx_size]; - const int eob_offset = width + height; - const int eob_mode = eob > eob_offset; - cost += coeff_costs->eob_mode_cost[tx_class][eob_mode]; - if (eob_mode == 0) { - cost += get_nz_eob_map_cost(coeff_costs, qcoeff, eob, plane, scan, - tx_size, tx_type); + if (stats->low_qc == 0) { + stats->dist_low = 0; } else { - const int16_t *iscan = scan_order->iscan; - assert(tx_class == TX_CLASS_VERT || tx_class == TX_CLASS_HORIZ); - if (tx_class == TX_CLASS_VERT) - cost += get_nz_eob_map_cost_vert(coeff_costs, qcoeff, eob, plane, scan, - iscan, tx_size, tx_type); - else - cost += get_nz_eob_map_cost_horiz(coeff_costs, qcoeff, eob, plane, scan, - iscan, tx_size, tx_type); + 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); } -#else // CONFIG_CTX1D - cost += get_nz_eob_map_cost(coeff_costs, qcoeff, eob, plane, scan, tx_size, - tx_type); -#endif // CONFIG_CTX1D - - for (c = 0; c < eob; ++c) { - tran_low_t v = qcoeff[scan[c]]; - int is_nz = (v != 0); - int level = abs(v); - - if (is_nz) { - int ctx_ls[NUM_BASE_LEVELS] = { 0 }; - int sign = (v < 0) ? 1 : 0; - - // sign bit cost - if (c == 0) { - int dc_sign_ctx = txb_ctx->dc_sign_ctx; - cost += coeff_costs->dc_sign_cost[dc_sign_ctx][sign]; - } else { - cost += av1_cost_bit(128, sign); - } - - get_base_ctx_set(qcoeff, scan[c], bwl, height, ctx_ls); - - int i; - for (i = 0; i < NUM_BASE_LEVELS; ++i) { - if (level <= i) continue; - - if (level == i + 1) { - cost += coeff_costs->base_cost[i][ctx_ls[i]][1]; - continue; - } - cost += coeff_costs->base_cost[i][ctx_ls[i]][0]; - } - - if (level > NUM_BASE_LEVELS) { - int ctx; - ctx = get_br_ctx(qcoeff, scan[c], bwl, height); -#if BR_NODE - int base_range = level - 1 - NUM_BASE_LEVELS; - if (base_range < COEFF_BASE_RANGE) { - cost += coeff_costs->lps_cost[ctx][base_range]; - } else { - cost += coeff_costs->lps_cost[ctx][COEFF_BASE_RANGE]; - } - -#else - for (int idx = 0; idx < COEFF_BASE_RANGE; ++idx) { - if (level == (idx + 1 + NUM_BASE_LEVELS)) { - cost += coeff_costs->lps_cost[ctx][1]; - break; - } - cost += coeff_costs->lps_cost[ctx][0]; - } -#endif - if (level >= 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) { - // residual cost - int r = level - COEFF_BASE_RANGE - NUM_BASE_LEVELS; - int ri = r; - int length = 0; - - while (ri) { - ri >>= 1; - ++length; - } - - for (ri = 0; ri < length - 1; ++ri) cost += av1_cost_bit(128, 0); +} - for (ri = length - 1; ri >= 0; --ri) - cost += av1_cost_bit(128, (r >> ri) & 0x01); - } - } - } - } +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); - return cost; + 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 int has_base(tran_low_t qc, int base_idx) { - const int level = base_idx + 1; - return abs(qc) >= level; +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 int has_br(tran_low_t qc) { - return abs(qc) >= 1 + NUM_BASE_LEVELS; +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); } -static INLINE int get_sign_bit_cost(tran_low_t qc, int coeff_idx, - const int (*dc_sign_cost)[2], - int dc_sign_ctx) { - const int sign = (qc < 0) ? 1 : 0; - // sign bit cost - if (coeff_idx == 0) { - return dc_sign_cost[dc_sign_ctx][sign]; - } else { - return av1_cost_bit(128, sign); - } -} -static INLINE int get_golomb_cost(int abs_qc) { - if (abs_qc >= 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) { - // residual cost - int r = abs_qc - COEFF_BASE_RANGE - NUM_BASE_LEVELS; - int ri = r; - int length = 0; - - while (ri) { - ri >>= 1; - ++length; - } +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; - return av1_cost_literal(2 * length - 1); - } else { - return 0; - } -} + 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)); -void gen_txb_cache(TxbCache *txb_cache, TxbInfo *txb_info) { - // gen_nz_count_arr - const int16_t *scan = txb_info->scan_order->scan; - const int bwl = txb_info->bwl; - const int height = txb_info->height; - tran_low_t *qcoeff = txb_info->qcoeff; - const BASE_CTX_TABLE *base_ctx_table = - txb_info->coeff_ctx_table->base_ctx_table; - for (int c = 0; c < txb_info->eob; ++c) { - const int coeff_idx = scan[c]; // raster order - const int row = coeff_idx >> bwl; - const int col = coeff_idx - (row << bwl); -#if REDUCE_CONTEXT_DEPENDENCY - int prev_coeff_idx; - int prev_row; - int prev_col; - if (c > MIN_SCAN_IDX_REDUCE_CONTEXT_DEPENDENCY) { - prev_coeff_idx = scan[c - 1]; // raster order - prev_row = prev_coeff_idx >> bwl; - prev_col = prev_coeff_idx - (prev_row << bwl); - } else { - prev_coeff_idx = -1; - prev_row = -1; - prev_col = -1; + 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); } - txb_cache->nz_count_arr[coeff_idx] = - get_nz_count(qcoeff, bwl, height, row, col, prev_row, prev_col); -#else - txb_cache->nz_count_arr[coeff_idx] = - get_nz_count(qcoeff, bwl, height, row, col); -#endif - const int nz_count = txb_cache->nz_count_arr[coeff_idx]; - txb_cache->nz_ctx_arr[coeff_idx] = - get_nz_map_ctx_from_count(nz_count, coeff_idx, bwl, txb_info->tx_type); - - // gen_base_count_mag_arr - if (!has_base(qcoeff[coeff_idx], 0)) continue; - int *base_mag = txb_cache->base_mag_arr[coeff_idx]; - int count[NUM_BASE_LEVELS]; - get_base_count_mag(base_mag, count, qcoeff, bwl, height, row, col); - - for (int i = 0; i < NUM_BASE_LEVELS; ++i) { - if (!has_base(qcoeff[coeff_idx], i)) break; - txb_cache->base_count_arr[i][coeff_idx] = count[i]; - const int level = i + 1; - txb_cache->base_ctx_arr[i][coeff_idx] = - base_ctx_table[row != 0][col != 0][base_mag[0] > level][count[i]]; + for (int j = 0; j < TX_PAD_HOR; j++) { + *ls++ = 0; } - - // gen_br_count_mag_arr - if (!has_br(qcoeff[coeff_idx])) continue; - int *br_count = txb_cache->br_count_arr + coeff_idx; - int *br_mag = txb_cache->br_mag_arr[coeff_idx]; - *br_count = get_br_count_mag(br_mag, qcoeff, bwl, height, row, col, - NUM_BASE_LEVELS); - txb_cache->br_ctx_arr[coeff_idx] = - get_br_ctx_from_count_mag(row, col, *br_count, br_mag[0]); - } -} - -static INLINE const int *get_level_prob(int level, int coeff_idx, - const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs) { - if (level == 0) { - const int ctx = txb_cache->nz_ctx_arr[coeff_idx]; - return txb_costs->nz_map_cost[ctx]; - } else if (level >= 1 && level < 1 + NUM_BASE_LEVELS) { - const int idx = level - 1; - const int ctx = txb_cache->base_ctx_arr[idx][coeff_idx]; - return txb_costs->base_cost[idx][ctx]; - } else if (level >= 1 + NUM_BASE_LEVELS && - level < 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) { - const int ctx = txb_cache->br_ctx_arr[coeff_idx]; - return txb_costs->lps_cost[ctx]; - } else if (level >= 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) { - printf("get_level_prob does not support golomb\n"); - assert(0); - return 0; - } else { - assert(0); - return 0; } } -static INLINE tran_low_t get_lower_coeff(tran_low_t qc) { - if (qc == 0) { - return 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); } - return qc > 0 ? qc - 1 : qc + 1; } -static INLINE void update_mag_arr(int *mag_arr, int abs_qc) { - if (mag_arr[0] == abs_qc) { - mag_arr[1] -= 1; - assert(mag_arr[1] >= 0); - } -} +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 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 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); + FRAME_CONTEXT *ec_ctx = xd->tile_ctx; + 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]); -static INLINE int get_mag_from_mag_arr(const int *mag_arr) { - int mag; - if (mag_arr[1] > 0) { - mag = mag_arr[0]; - } else if (mag_arr[0] > 0) { - mag = mag_arr[0] - 1; - } else { - // no neighbor - assert(mag_arr[0] == 0 && mag_arr[1] == 0); - mag = 0; + aom_write_symbol(w, eob == 0, + ec_ctx->txb_skip_cdf[txs_ctx][txb_ctx->txb_skip_ctx], 2); + if (plane == 0 && eob == 0) { + assert(tx_type == DCT_DCT); } - return mag; -} + if (eob == 0) return; -static int neighbor_level_down_update(int *new_count, int *new_mag, int count, - const int *mag, int coeff_idx, - tran_low_t abs_nb_coeff, int nb_coeff_idx, - int level, const TxbInfo *txb_info) { - *new_count = count; - *new_mag = get_mag_from_mag_arr(mag); + av1_txb_init_levels(tcoeff, width, height, levels); - int update = 0; - // check if br_count changes - if (abs_nb_coeff == level) { - update = 1; - *new_count -= 1; - assert(*new_count >= 0); - } - const int row = coeff_idx >> txb_info->bwl; - const int col = coeff_idx - (row << txb_info->bwl); - const int nb_row = nb_coeff_idx >> txb_info->bwl; - const int nb_col = nb_coeff_idx - (nb_row << txb_info->bwl); - - // check if mag changes - if (nb_row >= row && nb_col >= col) { - if (abs_nb_coeff == mag[0]) { - assert(mag[1] > 0); - if (mag[1] == 1) { - // the nb is the only qc with max mag - *new_mag -= 1; - assert(*new_mag >= 0); - update = 1; - } - } - } - return update; -} + av1_write_tx_type(cm, xd, blk_row, blk_col, plane, tx_size, w); -static int try_neighbor_level_down_br(int coeff_idx, int nb_coeff_idx, - const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - const TxbInfo *txb_info) { - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - const tran_low_t abs_qc = abs(qc); - const int level = NUM_BASE_LEVELS + 1; - if (abs_qc < level) return 0; - - const tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - const tran_low_t abs_nb_coeff = abs(nb_coeff); - const int count = txb_cache->br_count_arr[coeff_idx]; - const int *mag = txb_cache->br_mag_arr[coeff_idx]; - int new_count; - int new_mag; - const int update = - neighbor_level_down_update(&new_count, &new_mag, count, mag, coeff_idx, - abs_nb_coeff, nb_coeff_idx, level, txb_info); - if (update) { - const int row = coeff_idx >> txb_info->bwl; - const int col = coeff_idx - (row << txb_info->bwl); - const int ctx = txb_cache->br_ctx_arr[coeff_idx]; - const int org_cost = get_br_cost(abs_qc, ctx, txb_costs->lps_cost[ctx]); - - const int new_ctx = get_br_ctx_from_count_mag(row, col, new_count, new_mag); - const int new_cost = - get_br_cost(abs_qc, new_ctx, txb_costs->lps_cost[new_ctx]); - const int cost_diff = -org_cost + new_cost; - return cost_diff; - } else { - return 0; + 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; } -} -static int try_neighbor_level_down_base(int coeff_idx, int nb_coeff_idx, - const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - const TxbInfo *txb_info) { - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - const tran_low_t abs_qc = abs(qc); - const BASE_CTX_TABLE *base_ctx_table = - txb_info->coeff_ctx_table->base_ctx_table; - - int cost_diff = 0; - for (int base_idx = 0; base_idx < NUM_BASE_LEVELS; ++base_idx) { - const int level = base_idx + 1; - if (abs_qc < level) continue; - - const tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - const tran_low_t abs_nb_coeff = abs(nb_coeff); - - const int count = txb_cache->base_count_arr[base_idx][coeff_idx]; - const int *mag = txb_cache->base_mag_arr[coeff_idx]; - int new_count; - int new_mag; - const int update = - neighbor_level_down_update(&new_count, &new_mag, count, mag, coeff_idx, - abs_nb_coeff, nb_coeff_idx, level, txb_info); - if (update) { - const int row = coeff_idx >> txb_info->bwl; - const int col = coeff_idx - (row << txb_info->bwl); - const int ctx = txb_cache->base_ctx_arr[base_idx][coeff_idx]; - const int org_cost = get_base_cost( - abs_qc, ctx, txb_costs->base_cost[base_idx][ctx], base_idx); - - const int new_ctx = - base_ctx_table[row != 0][col != 0][new_mag > level][new_count]; - const int new_cost = get_base_cost( - abs_qc, new_ctx, txb_costs->base_cost[base_idx][new_ctx], base_idx); - cost_diff += -org_cost + new_cost; + 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); } } - return cost_diff; -} -static int try_neighbor_level_down_nz(int coeff_idx, int nb_coeff_idx, - const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - TxbInfo *txb_info) { - // assume eob doesn't change - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - const tran_low_t abs_qc = abs(qc); - const tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - const tran_low_t abs_nb_coeff = abs(nb_coeff); - if (abs_nb_coeff != 1) return 0; - const int16_t *iscan = txb_info->scan_order->iscan; - const int scan_idx = iscan[coeff_idx]; - if (scan_idx == txb_info->seg_eob) return 0; - const int nb_scan_idx = iscan[nb_coeff_idx]; - if (nb_scan_idx < scan_idx) { - const int count = txb_cache->nz_count_arr[coeff_idx]; - assert(count > 0); - txb_info->qcoeff[nb_coeff_idx] = get_lower_coeff(nb_coeff); - const int new_ctx = get_nz_map_ctx_from_count( - count - 1, coeff_idx, txb_info->bwl, txb_info->tx_type); - txb_info->qcoeff[nb_coeff_idx] = nb_coeff; - const int ctx = txb_cache->nz_ctx_arr[coeff_idx]; - const int is_nz = abs_qc > 0; - const int org_cost = txb_costs->nz_map_cost[ctx][is_nz]; - const int new_cost = txb_costs->nz_map_cost[new_ctx][is_nz]; - const int cost_diff = new_cost - org_cost; - return cost_diff; - } else { - return 0; - } -} + av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class, coeff_contexts); -static int try_self_level_down(tran_low_t *low_coeff, int coeff_idx, - const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - TxbInfo *txb_info) { - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - if (qc == 0) { - *low_coeff = 0; - return 0; - } - const tran_low_t abs_qc = abs(qc); - *low_coeff = get_lower_coeff(qc); - int cost_diff; - if (*low_coeff == 0) { - const int scan_idx = txb_info->scan_order->iscan[coeff_idx]; - const int *level_cost = - get_level_prob(abs_qc, coeff_idx, txb_cache, txb_costs); - const int *low_level_cost = - get_level_prob(abs(*low_coeff), coeff_idx, txb_cache, txb_costs); - if (scan_idx < txb_info->seg_eob) { - // When level-0, we code the binary of abs_qc > level - // but when level-k k > 0 we code the binary of abs_qc == level - // That's why wee need this special treatment for level-0 map - // TODO(angiebird): make leve-0 consistent to other levels - cost_diff = -level_cost[1] + low_level_cost[0] - low_level_cost[1]; + 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 { - cost_diff = -level_cost[1]; + aom_write_symbol(w, AOMMIN(level, 3), + ec_ctx->coeff_base_cdf[txs_ctx][plane_type][coeff_ctx], + 4); } - - if (scan_idx < txb_info->seg_eob) { - const int eob_ctx = get_eob_ctx(txb_info->qcoeff, coeff_idx, - txb_info->txs_ctx, txb_info->tx_type); - cost_diff -= - txb_costs->eob_cost[eob_ctx][scan_idx == (txb_info->eob - 1)]; + 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; + } } + } - const int sign_cost = get_sign_bit_cost( - qc, coeff_idx, txb_costs->dc_sign_cost, txb_info->txb_ctx->dc_sign_ctx); - cost_diff -= sign_cost; - } else if (abs_qc <= NUM_BASE_LEVELS) { - const int *level_cost = - get_level_prob(abs_qc, coeff_idx, txb_cache, txb_costs); - const int *low_level_cost = - get_level_prob(abs(*low_coeff), coeff_idx, txb_cache, txb_costs); - cost_diff = -level_cost[1] + low_level_cost[1] - low_level_cost[0]; - } else if (abs_qc == NUM_BASE_LEVELS + 1) { - const int *level_cost = - get_level_prob(abs_qc, coeff_idx, txb_cache, txb_costs); - const int *low_level_cost = - get_level_prob(abs(*low_coeff), coeff_idx, txb_cache, txb_costs); -#if BR_NODE - cost_diff = -level_cost[0] + low_level_cost[1] - low_level_cost[0]; -#else - cost_diff = -level_cost[1] + low_level_cost[1] - low_level_cost[0]; -#endif - } else if (abs_qc < 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) { - const int *level_cost = - get_level_prob(abs_qc, coeff_idx, txb_cache, txb_costs); - const int *low_level_cost = - get_level_prob(abs(*low_coeff), coeff_idx, txb_cache, txb_costs); - -#if BR_NODE - cost_diff = -level_cost[abs_qc - 1 - NUM_BASE_LEVELS] + - low_level_cost[abs(*low_coeff) - 1 - NUM_BASE_LEVELS]; -#else - cost_diff = -level_cost[1] + low_level_cost[1] - low_level_cost[0]; -#endif - } else if (abs_qc == 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE) { - const int *low_level_cost = - get_level_prob(abs(*low_coeff), coeff_idx, txb_cache, txb_costs); -#if BR_NODE - cost_diff = -get_golomb_cost(abs_qc) - low_level_cost[COEFF_BASE_RANGE] + - low_level_cost[COEFF_BASE_RANGE - 1]; -#else - cost_diff = - -get_golomb_cost(abs_qc) + low_level_cost[1] - low_level_cost[0]; -#endif - } else { - assert(abs_qc > 1 + NUM_BASE_LEVELS + COEFF_BASE_RANGE); - const tran_low_t abs_low_coeff = abs(*low_coeff); - cost_diff = -get_golomb_cost(abs_qc) + get_golomb_cost(abs_low_coeff); + // 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); + } } - return cost_diff; } -#define COST_MAP_SIZE 5 -#define COST_MAP_OFFSET 2 +typedef struct encode_txb_args { + const AV1_COMMON *cm; + MACROBLOCK *x; + aom_writer *w; +} ENCODE_TXB_ARGS; -static INLINE int check_nz_neighbor(tran_low_t qc) { return abs(qc) == 1; } - -static INLINE int check_base_neighbor(tran_low_t qc) { - return abs(qc) <= 1 + NUM_BASE_LEVELS; +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); } -static INLINE int check_br_neighbor(tran_low_t qc) { - return abs(qc) > BR_MAG_OFFSET; +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; + } + } + } + } + } } -#define FAST_OPTIMIZE_TXB 1 +// 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; -#if FAST_OPTIMIZE_TXB -#define ALNB_REF_OFFSET_NUM 2 -static int alnb_ref_offset[ALNB_REF_OFFSET_NUM][2] = { - { -1, 0 }, { 0, -1 }, -}; -#define NB_REF_OFFSET_NUM 4 -static int nb_ref_offset[NB_REF_OFFSET_NUM][2] = { - { -1, 0 }, { 0, -1 }, { 1, 0 }, { 0, 1 }, -}; -#endif // FAST_OPTIMIZE_TXB + const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; -// TODO(angiebird): add static to this function once it's called -int try_level_down(int coeff_idx, const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, TxbInfo *txb_info, - int (*cost_map)[COST_MAP_SIZE], int fast_mode) { -#if !FAST_OPTIMIZE_TXB - (void)fast_mode; -#endif - if (cost_map) { - for (int i = 0; i < COST_MAP_SIZE; ++i) av1_zero(cost_map[i]); - } - - tran_low_t qc = txb_info->qcoeff[coeff_idx]; - tran_low_t low_coeff; - if (qc == 0) return 0; - int accu_cost_diff = 0; - - const int16_t *iscan = txb_info->scan_order->iscan; - const int eob = txb_info->eob; - const int scan_idx = iscan[coeff_idx]; - if (scan_idx < eob) { - const int cost_diff = try_self_level_down(&low_coeff, coeff_idx, txb_cache, - txb_costs, txb_info); - if (cost_map) - cost_map[0 + COST_MAP_OFFSET][0 + COST_MAP_OFFSET] = cost_diff; - accu_cost_diff += cost_diff; - } - - const int row = coeff_idx >> txb_info->bwl; - const int col = coeff_idx - (row << txb_info->bwl); - if (check_nz_neighbor(qc)) { -#if FAST_OPTIMIZE_TXB - int(*ref_offset)[2]; - int ref_num; - if (fast_mode) { - ref_offset = alnb_ref_offset; - ref_num = ALNB_REF_OFFSET_NUM; + 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 { - ref_offset = sig_ref_offset; - ref_num = SIG_REF_OFFSET_NUM; - } -#else - int(*ref_offset)[2] = sig_ref_offset; - const int ref_num = SIG_REF_OFFSET_NUM; -#endif - for (int i = 0; i < ref_num; ++i) { - const int nb_row = row - ref_offset[i][0]; - const int nb_col = col - ref_offset[i][1]; - const int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - - if (nb_row < 0 || nb_col < 0 || nb_row >= txb_info->height || - nb_col >= txb_info->stride) - continue; - - const int nb_scan_idx = iscan[nb_coeff_idx]; - if (nb_scan_idx < eob) { - const int cost_diff = try_neighbor_level_down_nz( - nb_coeff_idx, coeff_idx, txb_cache, txb_costs, txb_info); - if (cost_map) - cost_map[nb_row - row + COST_MAP_OFFSET] - [nb_col - col + COST_MAP_OFFSET] += cost_diff; - accu_cost_diff += cost_diff; + 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; +} - if (check_base_neighbor(qc)) { -#if FAST_OPTIMIZE_TXB - int(*ref_offset)[2]; - int ref_num; - if (fast_mode) { - ref_offset = nb_ref_offset; - ref_num = NB_REF_OFFSET_NUM; - } else { - ref_offset = base_ref_offset; - ref_num = BASE_CONTEXT_POSITION_NUM; - } -#else - int(*ref_offset)[2] = base_ref_offset; - int ref_num = BASE_CONTEXT_POSITION_NUM; -#endif - for (int i = 0; i < ref_num; ++i) { - const int nb_row = row - ref_offset[i][0]; - const int nb_col = col - ref_offset[i][1]; - const int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - - if (nb_row < 0 || nb_col < 0 || nb_row >= txb_info->height || - nb_col >= txb_info->stride) - continue; - - const int nb_scan_idx = iscan[nb_coeff_idx]; - if (nb_scan_idx < eob) { - const int cost_diff = try_neighbor_level_down_base( - nb_coeff_idx, coeff_idx, txb_cache, txb_costs, txb_info); - if (cost_map) - cost_map[nb_row - row + COST_MAP_OFFSET] - [nb_col - col + COST_MAP_OFFSET] += cost_diff; - accu_cost_diff += cost_diff; +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; } } } - - if (check_br_neighbor(qc)) { -#if FAST_OPTIMIZE_TXB - int(*ref_offset)[2]; - int ref_num; - if (fast_mode) { - ref_offset = nb_ref_offset; - ref_num = NB_REF_OFFSET_NUM; - } else { - ref_offset = br_ref_offset; - ref_num = BR_CONTEXT_POSITION_NUM; - } -#else - int(*ref_offset)[2] = br_ref_offset; - const int ref_num = BR_CONTEXT_POSITION_NUM; -#endif - for (int i = 0; i < ref_num; ++i) { - const int nb_row = row - ref_offset[i][0]; - const int nb_col = col - ref_offset[i][1]; - const int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - - if (nb_row < 0 || nb_col < 0 || nb_row >= txb_info->height || - nb_col >= txb_info->stride) - continue; - - const int nb_scan_idx = iscan[nb_coeff_idx]; - if (nb_scan_idx < eob) { - const int cost_diff = try_neighbor_level_down_br( - nb_coeff_idx, coeff_idx, txb_cache, txb_costs, txb_info); - if (cost_map) - cost_map[nb_row - row + COST_MAP_OFFSET] - [nb_col - col + COST_MAP_OFFSET] += cost_diff; - accu_cost_diff += cost_diff; + 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)]; - return accu_cost_diff; -} - -static int get_low_coeff_cost(int coeff_idx, const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - const TxbInfo *txb_info) { - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - const int abs_qc = abs(qc); - assert(abs_qc <= 1); - int cost = 0; - const int scan_idx = txb_info->scan_order->iscan[coeff_idx]; - if (scan_idx < txb_info->seg_eob) { - const int *level_cost = get_level_prob(0, coeff_idx, txb_cache, txb_costs); - cost += level_cost[qc != 0]; - } - - if (qc != 0) { - const int base_idx = 0; - const int ctx = txb_cache->base_ctx_arr[base_idx][coeff_idx]; - cost += get_base_cost(abs_qc, ctx, txb_costs->base_cost[base_idx][ctx], - base_idx); - if (scan_idx < txb_info->seg_eob) { - const int eob_ctx = get_eob_ctx(txb_info->qcoeff, coeff_idx, - txb_info->txs_ctx, txb_info->tx_type); - cost += txb_costs->eob_cost[eob_ctx][scan_idx == (txb_info->eob - 1)]; + 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); + } } - cost += get_sign_bit_cost(qc, coeff_idx, txb_costs->dc_sign_cost, - txb_info->txb_ctx->dc_sign_ctx); } return cost; } -static INLINE void set_eob(TxbInfo *txb_info, int eob) { - txb_info->eob = eob; - txb_info->seg_eob = AOMMIN(eob, tx_size_2d[txb_info->tx_size] - 1); +int av1_cost_coeffs_txb(const AV1_COMMON *const cm, const MACROBLOCK *x, + const int plane, const int blk_row, const int blk_col, + const int block, const TX_SIZE tx_size, + 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_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]; + +#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; + } } -// TODO(angiebird): add static to this function once it's called -int try_change_eob(int *new_eob, int coeff_idx, const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, TxbInfo *txb_info, - int fast_mode) { - assert(txb_info->eob > 0); - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - const int abs_qc = abs(qc); - if (abs_qc != 1) { - *new_eob = -1; - return 0; - } - const int16_t *iscan = txb_info->scan_order->iscan; - const int16_t *scan = txb_info->scan_order->scan; - const int scan_idx = iscan[coeff_idx]; - *new_eob = 0; - int cost_diff = 0; - cost_diff -= get_low_coeff_cost(coeff_idx, txb_cache, txb_costs, txb_info); - // int coeff_cost = - // get_coeff_cost(qc, scan_idx, txb_info, txb_probs); - // if (-cost_diff != coeff_cost) { - // printf("-cost_diff %d coeff_cost %d\n", -cost_diff, coeff_cost); - // get_low_coeff_cost(coeff_idx, txb_cache, txb_probs, txb_info); - // get_coeff_cost(qc, scan_idx, txb_info, txb_probs); - // } - for (int si = scan_idx - 1; si >= 0; --si) { - const int ci = scan[si]; - if (txb_info->qcoeff[ci] != 0) { - *new_eob = si + 1; - break; +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 { - cost_diff -= get_low_coeff_cost(ci, txb_cache, txb_costs, txb_info); + accu_rate += stats.rate; + accu_dist += stats.dist; } } - const int org_eob = txb_info->eob; - set_eob(txb_info, *new_eob); - cost_diff += try_level_down(coeff_idx, txb_cache, txb_costs, txb_info, NULL, - fast_mode); - set_eob(txb_info, org_eob); + 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 (*new_eob > 0) { - // Note that get_eob_ctx does NOT actually account for qcoeff, so we don't - // need to lower down the qcoeff here - const int eob_ctx = get_eob_ctx(txb_info->qcoeff, scan[*new_eob - 1], - txb_info->txs_ctx, txb_info->tx_type); - cost_diff -= txb_costs->eob_cost[eob_ctx][0]; - cost_diff += txb_costs->eob_cost[eob_ctx][1]; - } else { - const int txb_skip_ctx = txb_info->txb_ctx->txb_skip_ctx; - cost_diff -= txb_costs->txb_skip_cost[txb_skip_ctx][0]; - cost_diff += txb_costs->txb_skip_cost[txb_skip_ctx][1]; - } - return cost_diff; -} + 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; + } -static INLINE tran_low_t qcoeff_to_dqcoeff(tran_low_t qc, int dqv, int shift) { - int sgn = qc < 0 ? -1 : 1; - return sgn * ((abs(qc) * dqv) >> shift); -} + // 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; + } -// TODO(angiebird): add static to this function it's called -void update_level_down(int coeff_idx, TxbCache *txb_cache, TxbInfo *txb_info) { - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - const int abs_qc = abs(qc); - if (qc == 0) return; - const tran_low_t low_coeff = get_lower_coeff(qc); - txb_info->qcoeff[coeff_idx] = low_coeff; - const int dqv = txb_info->dequant[coeff_idx != 0]; - txb_info->dqcoeff[coeff_idx] = - qcoeff_to_dqcoeff(low_coeff, dqv, txb_info->shift); - - const int row = coeff_idx >> txb_info->bwl; - const int col = coeff_idx - (row << txb_info->bwl); - const int eob = txb_info->eob; - const int16_t *iscan = txb_info->scan_order->iscan; - for (int i = 0; i < SIG_REF_OFFSET_NUM; ++i) { - const int nb_row = row - sig_ref_offset[i][0]; - const int nb_col = col - sig_ref_offset[i][1]; - - if (!(nb_row >= 0 && nb_col >= 0 && nb_row < txb_info->height && - nb_col < txb_info->stride)) - continue; - - const int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - const int nb_scan_idx = iscan[nb_coeff_idx]; - if (nb_scan_idx < eob) { - const int scan_idx = iscan[coeff_idx]; - if (scan_idx < nb_scan_idx) { - const int level = 1; - if (abs_qc == level) { - txb_cache->nz_count_arr[nb_coeff_idx] -= 1; - assert(txb_cache->nz_count_arr[nb_coeff_idx] >= 0); + 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; } - const int count = txb_cache->nz_count_arr[nb_coeff_idx]; - txb_cache->nz_ctx_arr[nb_coeff_idx] = get_nz_map_ctx_from_count( - count, nb_coeff_idx, txb_info->bwl, txb_info->tx_type); - // int ref_ctx = get_nz_map_ctx(txb_info->qcoeff, nb_coeff_idx, - // txb_info->bwl, tx_type); - // if (ref_ctx != txb_cache->nz_ctx_arr[nb_coeff_idx]) - // printf("nz ctx %d ref_ctx %d\n", - // txb_cache->nz_ctx_arr[nb_coeff_idx], ref_ctx); } } - } + } // 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); - const BASE_CTX_TABLE *base_ctx_table = - txb_info->coeff_ctx_table->base_ctx_table; - for (int i = 0; i < BASE_CONTEXT_POSITION_NUM; ++i) { - const int nb_row = row - base_ref_offset[i][0]; - const int nb_col = col - base_ref_offset[i][1]; - const int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - - if (!(nb_row >= 0 && nb_col >= 0 && nb_row < txb_info->height && - nb_col < txb_info->stride)) - continue; - - const tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - if (!has_base(nb_coeff, 0)) continue; - const int nb_scan_idx = iscan[nb_coeff_idx]; - if (nb_scan_idx < eob) { - if (row >= nb_row && col >= nb_col) - update_mag_arr(txb_cache->base_mag_arr[nb_coeff_idx], abs_qc); - const int mag = - get_mag_from_mag_arr(txb_cache->base_mag_arr[nb_coeff_idx]); - for (int base_idx = 0; base_idx < NUM_BASE_LEVELS; ++base_idx) { - if (!has_base(nb_coeff, base_idx)) continue; - const int level = base_idx + 1; - if (abs_qc == level) { - txb_cache->base_count_arr[base_idx][nb_coeff_idx] -= 1; - assert(txb_cache->base_count_arr[base_idx][nb_coeff_idx] >= 0); + int bUpdCoeff = 0; + if (stats.rd_low < stats.rd) { + if ((si < txb_info->eob - 1)) { + bUpdCoeff = 1; + update = 1; } - const int count = txb_cache->base_count_arr[base_idx][nb_coeff_idx]; - txb_cache->base_ctx_arr[base_idx][nb_coeff_idx] = - base_ctx_table[nb_row != 0][nb_col != 0][mag > level][count]; - // int ref_ctx = get_base_ctx(txb_info->qcoeff, nb_coeff_idx, - // txb_info->bwl, level); - // if (ref_ctx != txb_cache->base_ctx_arr[base_idx][nb_coeff_idx]) { - // printf("base ctx %d ref_ctx %d\n", - // txb_cache->base_ctx_arr[base_idx][nb_coeff_idx], ref_ctx); - // } + } + 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 (int i = 0; i < BR_CONTEXT_POSITION_NUM; ++i) { - const int nb_row = row - br_ref_offset[i][0]; - const int nb_col = col - br_ref_offset[i][1]; - const int nb_coeff_idx = nb_row * txb_info->stride + nb_col; + } // for (si) - if (!(nb_row >= 0 && nb_col >= 0 && nb_row < txb_info->height && - nb_col < txb_info->stride)) - continue; + 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); - const int nb_scan_idx = iscan[nb_coeff_idx]; - const tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - if (!has_br(nb_coeff)) continue; - if (nb_scan_idx < eob) { - const int level = 1 + NUM_BASE_LEVELS; - if (abs_qc == level) { - txb_cache->br_count_arr[nb_coeff_idx] -= 1; - assert(txb_cache->br_count_arr[nb_coeff_idx] >= 0); - } - if (row >= nb_row && col >= nb_col) - update_mag_arr(txb_cache->br_mag_arr[nb_coeff_idx], abs_qc); - const int count = txb_cache->br_count_arr[nb_coeff_idx]; - const int mag = get_mag_from_mag_arr(txb_cache->br_mag_arr[nb_coeff_idx]); - txb_cache->br_ctx_arr[nb_coeff_idx] = - get_br_ctx_from_count_mag(nb_row, nb_col, count, mag); - // int ref_ctx = get_level_ctx(txb_info->qcoeff, nb_coeff_idx, - // txb_info->bwl); - // if (ref_ctx != txb_cache->br_ctx_arr[nb_coeff_idx]) { - // printf("base ctx %d ref_ctx %d\n", - // txb_cache->br_ctx_arr[nb_coeff_idx], ref_ctx); - // } + 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; } -static int get_coeff_cost(tran_low_t qc, int scan_idx, TxbInfo *txb_info, - const LV_MAP_COEFF_COST *txb_costs) { - const TXB_CTX *txb_ctx = txb_info->txb_ctx; - const int is_nz = (qc != 0); - const tran_low_t abs_qc = abs(qc); - int cost = 0; +// 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); - if (scan_idx < txb_info->seg_eob) { - int coeff_ctx = - get_nz_map_ctx(txb_info->qcoeff, scan_idx, scan, txb_info->bwl, - txb_info->height, txb_info->tx_type); - cost += txb_costs->nz_map_cost[coeff_ctx][is_nz]; + 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 (is_nz) { - cost += get_sign_bit_cost(qc, scan_idx, txb_costs->dc_sign_cost, - txb_ctx->dc_sign_ctx); + 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 ctx_ls[NUM_BASE_LEVELS] = { 0 }; - get_base_ctx_set(txb_info->qcoeff, scan[scan_idx], txb_info->bwl, - txb_info->height, ctx_ls); +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; - int i; - for (i = 0; i < NUM_BASE_LEVELS; ++i) { - cost += get_base_cost(abs_qc, ctx_ls[i], - txb_costs->base_cost[i][ctx_ls[i]], i); - } + 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]; - if (abs_qc > NUM_BASE_LEVELS) { - int ctx = get_br_ctx(txb_info->qcoeff, scan[scan_idx], txb_info->bwl, - txb_info->height); - cost += get_br_cost(abs_qc, ctx, txb_costs->lps_cost[ctx]); - cost += get_golomb_cost(abs_qc); + update = 1; + update_coeff(scan[i], txb_info->qcoeff[scan[i]], txb_info); } + if (txb_info->qcoeff[scan[i]]) new_eob = i + 1; + } - if (scan_idx < txb_info->seg_eob) { - int eob_ctx = get_eob_ctx(txb_info->qcoeff, scan[scan_idx], - txb_info->txs_ctx, txb_info->tx_type); - cost += txb_costs->eob_cost[eob_ctx][scan_idx == (txb_info->eob - 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 cost; + + return txb_info->eob; } -#if TEST_OPTIMIZE_TXB -#define ALL_REF_OFFSET_NUM 17 -static int all_ref_offset[ALL_REF_OFFSET_NUM][2] = { - { 0, 0 }, { -2, -1 }, { -2, 0 }, { -2, 1 }, { -1, -2 }, { -1, -1 }, - { -1, 0 }, { -1, 1 }, { 0, -2 }, { 0, -1 }, { 1, -2 }, { 1, -1 }, - { 1, 0 }, { 2, 0 }, { 0, 1 }, { 0, 2 }, { 1, 1 }, -}; +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; -static int try_level_down_ref(int coeff_idx, const LV_MAP_COEFF_COST *txb_costs, - TxbInfo *txb_info, - int (*cost_map)[COST_MAP_SIZE]) { - if (cost_map) { - for (int i = 0; i < COST_MAP_SIZE; ++i) av1_zero(cost_map[i]); - } - tran_low_t qc = txb_info->qcoeff[coeff_idx]; - if (qc == 0) return 0; - int row = coeff_idx >> txb_info->bwl; - int col = coeff_idx - (row << txb_info->bwl); - int org_cost = 0; - for (int i = 0; i < ALL_REF_OFFSET_NUM; ++i) { - int nb_row = row - all_ref_offset[i][0]; - int nb_col = col - all_ref_offset[i][1]; - int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - int nb_scan_idx = txb_info->scan_order->iscan[nb_coeff_idx]; - if (nb_scan_idx < txb_info->eob && nb_row >= 0 && nb_col >= 0 && - nb_row < txb_info->height && nb_col < txb_info->stride) { - tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - int cost = get_coeff_cost(nb_coeff, nb_scan_idx, txb_info, txb_costs); - if (cost_map) - cost_map[nb_row - row + COST_MAP_OFFSET] - [nb_col - col + COST_MAP_OFFSET] -= cost; - org_cost += cost; + // Full byte: + if (packing_index == 8) { + packing_index = 0; + hash_data_index++; } } - txb_info->qcoeff[coeff_idx] = get_lower_coeff(qc); - int new_cost = 0; - for (int i = 0; i < ALL_REF_OFFSET_NUM; ++i) { - int nb_row = row - all_ref_offset[i][0]; - int nb_col = col - all_ref_offset[i][1]; - int nb_coeff_idx = nb_row * txb_info->stride + nb_col; - int nb_scan_idx = txb_info->scan_order->iscan[nb_coeff_idx]; - if (nb_scan_idx < txb_info->eob && nb_row >= 0 && nb_col >= 0 && - nb_row < txb_info->height && nb_col < txb_info->stride) { - tran_low_t nb_coeff = txb_info->qcoeff[nb_coeff_idx]; - int cost = get_coeff_cost(nb_coeff, nb_scan_idx, txb_info, txb_costs); - if (cost_map) - cost_map[nb_row - row + COST_MAP_OFFSET] - [nb_col - col + COST_MAP_OFFSET] += cost; - new_cost += cost; + // 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; } } - txb_info->qcoeff[coeff_idx] = qc; - return new_cost - org_cost; -} - -static void test_level_down(int coeff_idx, const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - TxbInfo *txb_info) { - int cost_map[COST_MAP_SIZE][COST_MAP_SIZE]; - int ref_cost_map[COST_MAP_SIZE][COST_MAP_SIZE]; - const int cost_diff = - try_level_down(coeff_idx, txb_cache, txb_costs, txb_info, cost_map, 0); - const int cost_diff_ref = - try_level_down_ref(coeff_idx, txb_costs, txb_info, ref_cost_map); - if (cost_diff != cost_diff_ref) { - printf("qc %d cost_diff %d cost_diff_ref %d\n", txb_info->qcoeff[coeff_idx], - cost_diff, cost_diff_ref); - for (int r = 0; r < COST_MAP_SIZE; ++r) { - for (int c = 0; c < COST_MAP_SIZE; ++c) { - printf("%d:%d ", cost_map[r][c], ref_cost_map[r][c]); - } - printf("\n"); + // 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); } -#endif -// TODO(angiebird): make this static once it's called -int get_txb_cost(TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs) { - int cost = 0; - int txb_skip_ctx = txb_info->txb_ctx->txb_skip_ctx; - const int16_t *scan = txb_info->scan_order->scan; - if (txb_info->eob == 0) { - cost = txb_costs->txb_skip_cost[txb_skip_ctx][1]; - return cost; - } - cost = txb_costs->txb_skip_cost[txb_skip_ctx][0]; - for (int c = 0; c < txb_info->eob; ++c) { - tran_low_t qc = txb_info->qcoeff[scan[c]]; - int coeff_cost = get_coeff_cost(qc, c, txb_info, txb_costs); - cost += coeff_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; } -#if TEST_OPTIMIZE_TXB -void test_try_change_eob(TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs, - TxbCache *txb_cache) { - int eob = txb_info->eob; - const int16_t *scan = txb_info->scan_order->scan; - if (eob > 0) { - int last_si = eob - 1; - int last_ci = scan[last_si]; - int last_coeff = txb_info->qcoeff[last_ci]; - if (abs(last_coeff) == 1) { - int new_eob; - int cost_diff = - try_change_eob(&new_eob, last_ci, txb_cache, txb_costs, txb_info, 0); - int org_eob = txb_info->eob; - int cost = get_txb_cost(txb_info, txb_costs); - - txb_info->qcoeff[last_ci] = get_lower_coeff(last_coeff); - set_eob(txb_info, new_eob); - int new_cost = get_txb_cost(txb_info, txb_costs); - set_eob(txb_info, org_eob); - txb_info->qcoeff[last_ci] = last_coeff; - - int ref_cost_diff = -cost + new_cost; - if (cost_diff != ref_cost_diff) - printf("org_eob %d new_eob %d cost_diff %d ref_cost_diff %d\n", org_eob, - new_eob, cost_diff, ref_cost_diff); +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; } -#endif -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 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); } -typedef struct LevelDownStats { - int update; - tran_low_t low_qc; - tran_low_t low_dqc; - int64_t rd_diff; - int cost_diff; - int64_t dist_diff; - int new_eob; -} LevelDownStats; - -void try_level_down_facade(LevelDownStats *stats, int scan_idx, - const TxbCache *txb_cache, - const LV_MAP_COEFF_COST *txb_costs, - TxbInfo *txb_info, int fast_mode) { - const int16_t *scan = txb_info->scan_order->scan; - const int coeff_idx = scan[scan_idx]; - const tran_low_t qc = txb_info->qcoeff[coeff_idx]; - stats->new_eob = -1; - stats->update = 0; +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) { - return; + *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; + } } +} - const tran_low_t tqc = txb_info->tcoeff[coeff_idx]; - const int dqv = txb_info->dequant[coeff_idx != 0]; - - const tran_low_t dqc = qcoeff_to_dqcoeff(qc, dqv, txb_info->shift); - const int64_t dqc_dist = get_coeff_dist(tqc, dqc, txb_info->shift); - - stats->low_qc = get_lower_coeff(qc); - stats->low_dqc = qcoeff_to_dqcoeff(stats->low_qc, dqv, txb_info->shift); - const int64_t low_dqc_dist = - get_coeff_dist(tqc, stats->low_dqc, txb_info->shift); - - stats->dist_diff = -dqc_dist + low_dqc_dist; - stats->cost_diff = 0; - stats->new_eob = txb_info->eob; - if (scan_idx == txb_info->eob - 1 && abs(qc) == 1) { - stats->cost_diff = try_change_eob(&stats->new_eob, coeff_idx, txb_cache, - txb_costs, txb_info, fast_mode); +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 { - stats->cost_diff = try_level_down(coeff_idx, txb_cache, txb_costs, txb_info, - NULL, fast_mode); -#if TEST_OPTIMIZE_TXB - test_level_down(coeff_idx, txb_cache, txb_costs, txb_info); -#endif + 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; + } } - stats->rd_diff = RDCOST(txb_info->rdmult, stats->cost_diff, stats->dist_diff); - if (stats->rd_diff < 0) stats->update = 1; - return; } -static int optimize_txb(TxbInfo *txb_info, const LV_MAP_COEFF_COST *txb_costs, - TxbCache *txb_cache, int dry_run, int fast_mode) { - int update = 0; - if (txb_info->eob == 0) return update; - int cost_diff = 0; - int64_t dist_diff = 0; - int64_t rd_diff = 0; - const int max_eob = tx_size_2d[txb_info->tx_size]; - -#if TEST_OPTIMIZE_TXB - int64_t sse; - int64_t org_dist = - av1_block_error_c(txb_info->tcoeff, txb_info->dqcoeff, max_eob, &sse) * - (1 << (2 * txb_info->shift)); - int org_cost = get_txb_cost(txb_info, txb_costs); -#endif - - tran_low_t *org_qcoeff = txb_info->qcoeff; - tran_low_t *org_dqcoeff = txb_info->dqcoeff; +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; + } - tran_low_t tmp_qcoeff[MAX_TX_SQUARE]; - tran_low_t tmp_dqcoeff[MAX_TX_SQUARE]; - const int org_eob = txb_info->eob; - if (dry_run) { - memcpy(tmp_qcoeff, org_qcoeff, sizeof(org_qcoeff[0]) * max_eob); - memcpy(tmp_dqcoeff, org_dqcoeff, sizeof(org_dqcoeff[0]) * max_eob); - txb_info->qcoeff = tmp_qcoeff; - txb_info->dqcoeff = tmp_dqcoeff; - } + 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; + } + } - const int16_t *scan = txb_info->scan_order->scan; + if (rd_low < rd) { + lower_level = 1; + rd = rd_low; + rate = rate_low; + dist = dist_low; + } - // forward optimize the nz_map - const int cur_eob = txb_info->eob; - for (int si = 0; si < cur_eob; ++si) { - const int coeff_idx = scan[si]; - tran_low_t qc = txb_info->qcoeff[coeff_idx]; - if (abs(qc) == 1) { - LevelDownStats stats; - try_level_down_facade(&stats, si, txb_cache, txb_costs, txb_info, - fast_mode); - if (stats.update) { - update = 1; - cost_diff += stats.cost_diff; - dist_diff += stats.dist_diff; - rd_diff += stats.rd_diff; - update_level_down(coeff_idx, txb_cache, txb_info); - set_eob(txb_info, stats.new_eob); + 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; } - } - // backward optimize the level-k map - int eob_fix = 0; - for (int si = txb_info->eob - 1; si >= 0; --si) { - const int coeff_idx = scan[si]; - if (eob_fix == 1 && txb_info->qcoeff[coeff_idx] == 1) { - // when eob is fixed, there is not need to optimize again when - // abs(qc) == 1 - continue; + if (lower_level) { + qcoeff[ci] = qc_low; + dqcoeff[ci] = dqc_low; + levels[get_padded_idx(ci, bwl)] = AOMMIN(abs_qc_low, INT8_MAX); } - LevelDownStats stats; - try_level_down_facade(&stats, si, txb_cache, txb_costs, txb_info, - fast_mode); - if (stats.update) { -#if TEST_OPTIMIZE_TXB -// printf("si %d low_qc %d cost_diff %d dist_diff %ld rd_diff %ld eob %d new_eob -// %d\n", si, stats.low_qc, stats.cost_diff, stats.dist_diff, stats.rd_diff, -// txb_info->eob, stats.new_eob); -#endif - update = 1; - cost_diff += stats.cost_diff; - dist_diff += stats.dist_diff; - rd_diff += stats.rd_diff; - update_level_down(coeff_idx, txb_cache, txb_info); - set_eob(txb_info, stats.new_eob); + if (qcoeff[ci]) { + nz_ci[*nz_num] = ci; + ++*nz_num; } - if (eob_fix == 0 && txb_info->qcoeff[coeff_idx] != 0) eob_fix = 1; - if (si > txb_info->eob) si = txb_info->eob; - } -#if TEST_OPTIMIZE_TXB - int64_t new_dist = - av1_block_error_c(txb_info->tcoeff, txb_info->dqcoeff, max_eob, &sse) * - (1 << (2 * txb_info->shift)); - int new_cost = get_txb_cost(txb_info, txb_costs); - int64_t ref_dist_diff = new_dist - org_dist; - int ref_cost_diff = new_cost - org_cost; - if (cost_diff != ref_cost_diff || dist_diff != ref_dist_diff) - printf( - "overall rd_diff %ld\ncost_diff %d ref_cost_diff%d\ndist_diff %ld " - "ref_dist_diff %ld\neob %d new_eob %d\n\n", - rd_diff, cost_diff, ref_cost_diff, dist_diff, ref_dist_diff, org_eob, - txb_info->eob); -#endif - if (dry_run) { - txb_info->qcoeff = org_qcoeff; - txb_info->dqcoeff = org_dqcoeff; - set_eob(txb_info, org_eob); } - return update; } -// These numbers are empirically obtained. -static const int plane_rd_mult[REF_TYPES][PLANE_TYPES] = { - { 17, 13 }, { 16, 10 }, -}; +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)); + + 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; +} -int av1_optimize_txb(const AV1_COMMON *cm, MACROBLOCK *x, int plane, +// 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) { + 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_context(tx_size); - const TX_TYPE tx_type = - av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size); - const MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; + 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 = pd->dequant; - const int seg_eob = AOMMIN(eob, tx_size_2d[tx_size] - 1); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int stride = 1 << bwl; - const int height = tx_size_high[tx_size]; + 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(cm, tx_size, tx_type, mbmi); - const LV_MAP_COEFF_COST txb_costs = x->coeff_costs[txs_ctx][plane_type]; + 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) >> 2; - - TxbInfo txb_info = { qcoeff, - dqcoeff, - tcoeff, - dequant, - shift, - tx_size, - txs_ctx, - tx_type, - bwl, - stride, - height, - eob, - seg_eob, - scan_order, - txb_ctx, - rdmult, - &cm->coeff_ctx_table }; - - TxbCache txb_cache; - gen_txb_cache(&txb_cache, &txb_info); + ((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_cache, 0, fast_mode); - if (update) p->eobs[block] = txb_info.eob; + 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 *scan = scan_order->scan; + 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); @@ -1981,167 +1791,72 @@ void av1_update_txb_context_b(int plane, int block, int blk_row, int blk_col, ThreadData *const td = args->td; MACROBLOCK *const x = &td->mb; MACROBLOCKD *const xd = &x->e_mbd; - MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; 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, block, tx_size); - const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, mbmi); - (void)plane_bsize; - - int cul_level = av1_get_txb_entropy_context(qcoeff, scan_order, eob); - av1_set_contexts(xd, pd, plane, tx_size, cul_level, blk_col, blk_row); -} - -static INLINE void av1_update_nz_eob_counts(FRAME_CONTEXT *fc, - FRAME_COUNTS *counts, uint16_t eob, - const tran_low_t *tcoeff, int plane, - TX_SIZE tx_size, TX_TYPE tx_type, - const int16_t *scan) { - const PLANE_TYPE plane_type = get_plane_type(plane); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int height = tx_size_high[tx_size]; - TX_SIZE txsize_ctx = get_txsize_context(tx_size); -#if CONFIG_CTX1D - const int width = tx_size_wide[tx_size]; - const int eob_offset = width + height; - const TX_CLASS tx_class = get_tx_class(tx_type); - const int seg_eob = - (tx_class == TX_CLASS_2D) ? tx_size_2d[tx_size] : eob_offset; -#else - const int seg_eob = tx_size_2d[tx_size]; -#endif - unsigned int(*nz_map_count)[SIG_COEF_CONTEXTS][2] = - &counts->nz_map[txsize_ctx][plane_type]; - for (int c = 0; c < eob; ++c) { - tran_low_t v = tcoeff[scan[c]]; - int is_nz = (v != 0); - int coeff_ctx = get_nz_map_ctx(tcoeff, c, scan, bwl, height, tx_type); - int eob_ctx = get_eob_ctx(tcoeff, scan[c], txsize_ctx, tx_type); - - if (c == seg_eob - 1) break; - - ++(*nz_map_count)[coeff_ctx][is_nz]; -#if LV_MAP_PROB - update_bin(fc->nz_map_cdf[txsize_ctx][plane_type][coeff_ctx], is_nz, 2); -#endif - - if (is_nz) { - ++counts->eob_flag[txsize_ctx][plane_type][eob_ctx][c == (eob - 1)]; -#if LV_MAP_PROB - update_bin(fc->eob_flag_cdf[txsize_ctx][plane_type][eob_ctx], - c == (eob - 1), 2); -#endif - } - } + 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); } -#if CONFIG_CTX1D -static INLINE void av1_update_nz_eob_counts_vert( - FRAME_CONTEXT *fc, FRAME_COUNTS *counts, uint16_t eob, - const tran_low_t *tcoeff, int plane, TX_SIZE tx_size, TX_TYPE tx_type, - const int16_t *scan, const int16_t *iscan) { - (void)eob; - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - const PLANE_TYPE plane_type = get_plane_type(plane); - const TX_CLASS tx_class = get_tx_class(tx_type); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int width = tx_size_wide[tx_size]; - const int height = tx_size_high[tx_size]; - int16_t eob_ls[MAX_HVTX_SIZE]; - get_eob_vert(eob_ls, tcoeff, width, height); - unsigned int(*nz_map_count)[SIG_COEF_CONTEXTS][2] = - &counts->nz_map[txs_ctx][plane_type]; - for (int c = 0; c < width; ++c) { - int16_t veob = eob_ls[c]; - assert(veob <= height); - int el_ctx = get_empty_line_ctx(c, eob_ls); - ++counts->empty_line[txs_ctx][plane_type][tx_class][el_ctx][veob == 0]; -#if LV_MAP_PROB - update_bin(fc->empty_line_cdf[txs_ctx][plane_type][tx_class][el_ctx], - veob == 0, 2); -#endif - if (veob) { - for (int r = 0; r < veob; ++r) { - if (r + 1 != height) { - int coeff_idx = r * width + c; - int scan_idx = iscan[coeff_idx]; - int is_nz = tcoeff[coeff_idx] != 0; - int coeff_ctx = - get_nz_map_ctx(tcoeff, scan_idx, scan, bwl, height, tx_type); - ++(*nz_map_count)[coeff_ctx][is_nz]; -#if LV_MAP_PROB - update_bin(fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], is_nz, 2); -#endif - if (is_nz) { - int eob_ctx = get_hv_eob_ctx(c, r, eob_ls); - ++counts->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx] - [r == veob - 1]; -#if LV_MAP_PROB - update_bin(fc->hv_eob_cdf[txs_ctx][plane_type][tx_class][eob_ctx], - r == veob - 1, 2); -#endif - } +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]); } - } - } - } -} - -static INLINE void av1_update_nz_eob_counts_horiz( - FRAME_CONTEXT *fc, FRAME_COUNTS *counts, uint16_t eob, - const tran_low_t *tcoeff, int plane, TX_SIZE tx_size, TX_TYPE tx_type, - const int16_t *scan, const int16_t *iscan) { - (void)eob; - (void)scan; - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - const PLANE_TYPE plane_type = get_plane_type(plane); - const TX_CLASS tx_class = get_tx_class(tx_type); - const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int width = tx_size_wide[tx_size]; - const int height = tx_size_high[tx_size]; - int16_t eob_ls[MAX_HVTX_SIZE]; - get_eob_horiz(eob_ls, tcoeff, width, height); - unsigned int(*nz_map_count)[SIG_COEF_CONTEXTS][2] = - &counts->nz_map[txs_ctx][plane_type]; - for (int r = 0; r < height; ++r) { - int16_t heob = eob_ls[r]; - int el_ctx = get_empty_line_ctx(r, eob_ls); - ++counts->empty_line[txs_ctx][plane_type][tx_class][el_ctx][heob == 0]; -#if LV_MAP_PROB - update_bin(fc->empty_line_cdf[txs_ctx][plane_type][tx_class][el_ctx], - heob == 0, 2); -#endif - if (heob) { - for (int c = 0; c < heob; ++c) { - if (c + 1 != width) { - int coeff_idx = r * width + c; - int scan_idx = iscan[coeff_idx]; - int is_nz = tcoeff[coeff_idx] != 0; - int coeff_ctx = - get_nz_map_ctx(tcoeff, scan_idx, scan, bwl, height, tx_type); - ++(*nz_map_count)[coeff_ctx][is_nz]; -#if LV_MAP_PROB - update_bin(fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], is_nz, 2); -#endif - if (is_nz) { - int eob_ctx = get_hv_eob_ctx(r, c, eob_ls); - ++counts->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx] - [c == heob - 1]; -#if LV_MAP_PROB - update_bin(fc->hv_eob_cdf[txs_ctx][plane_type][tx_class][eob_ctx], - c == heob - 1, 2); -#endif - } +#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]); } } } } } -#endif // CONFIG_CTX1D void av1_update_and_record_txb_context(int plane, int block, int blk_row, int blk_col, BLOCK_SIZE plane_bsize, @@ -2154,461 +1869,164 @@ void av1_update_and_record_txb_context(int plane, int block, int blk_row, 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]->mbmi; - int eob = p->eobs[block], update_eob = 0; - const PLANE_TYPE plane_type = pd->plane_type; - const tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block); - tran_low_t *tcoeff = BLOCK_OFFSET(x->mbmi_ext->tcoeff[plane], block); - const int segment_id = mbmi->segment_id; - const TX_TYPE tx_type = - av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size); - const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, mbmi); - const int16_t *scan = scan_order->scan; - const int seg_eob = av1_get_tx_eob(&cpi->common.seg, segment_id, tx_size); - int c, i; + 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 = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2; - const int height = tx_size_high[tx_size]; - int cul_level = 0; - - TX_SIZE txsize_ctx = get_txsize_context(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 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); + } - memcpy(tcoeff, qcoeff, sizeof(*tcoeff) * seg_eob); - - ++td->counts->txb_skip[txsize_ctx][txb_ctx.txb_skip_ctx][eob == 0]; -#if LV_MAP_PROB - update_bin(ec_ctx->txb_skip_cdf[txsize_ctx][txb_ctx.txb_skip_ctx], eob == 0, - 2); -#endif 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, tx_size, 0, blk_col, blk_row); + av1_set_contexts(xd, pd, plane, plane_bsize, tx_size, 0, blk_col, blk_row); return; } -#if CONFIG_TXK_SEL - av1_update_tx_type_count(cm, xd, blk_row, blk_col, block, plane, - mbmi->sb_type, get_min_tx_size(tx_size), td->counts); -#endif - -#if CONFIG_CTX1D - TX_CLASS tx_class = get_tx_class(tx_type); - if (tx_class == TX_CLASS_2D) { - av1_update_nz_eob_counts(ec_ctx, td->counts, eob, tcoeff, plane, tx_size, - tx_type, scan); - } else { - const int width = tx_size_wide[tx_size]; - const int eob_offset = width + height; - const int eob_mode = eob > eob_offset; - const TX_SIZE txs_ctx = get_txsize_context(tx_size); - ++td->counts->eob_mode[txs_ctx][plane_type][tx_class][eob_mode]; -#if LV_MAP_PROB - update_bin(ec_ctx->eob_mode_cdf[txs_ctx][plane_type][tx_class], eob_mode, - 2); -#endif - if (eob_mode == 0) { - av1_update_nz_eob_counts(ec_ctx, td->counts, eob, tcoeff, plane, tx_size, - tx_type, scan); - } else { - const int16_t *iscan = scan_order->iscan; - assert(tx_class == TX_CLASS_VERT || tx_class == TX_CLASS_HORIZ); - if (tx_class == TX_CLASS_VERT) - av1_update_nz_eob_counts_vert(ec_ctx, td->counts, eob, tcoeff, plane, - tx_size, tx_type, scan, iscan); - else - av1_update_nz_eob_counts_horiz(ec_ctx, td->counts, eob, tcoeff, plane, - tx_size, tx_type, scan, iscan); - } - } -#else // CONFIG_CTX1D - av1_update_nz_eob_counts(ec_ctx, td->counts, eob, tcoeff, plane, tx_size, - tx_type, scan); -#endif // CONFIG_CTX1D - - // Reverse process order to handle coefficient level and sign. - for (i = 0; i < NUM_BASE_LEVELS; ++i) { - update_eob = 0; - for (c = eob - 1; c >= 0; --c) { - tran_low_t v = qcoeff[scan[c]]; - tran_low_t level = abs(v); - int ctx; - - if (level <= i) continue; - - ctx = get_base_ctx(tcoeff, scan[c], bwl, height, i + 1); + 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); - if (level == i + 1) { - ++td->counts->coeff_base[txsize_ctx][plane_type][i][ctx][1]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_base_cdf[txsize_ctx][plane_type][i][ctx], 1, - 2); -#endif - if (c == 0) { - int dc_sign_ctx = txb_ctx.dc_sign_ctx; + 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); - ++td->counts->dc_sign[plane_type][dc_sign_ctx][v < 0]; -#if LV_MAP_PROB - update_bin(ec_ctx->dc_sign_cdf[plane_type][dc_sign_ctx], v < 0, 2); -#endif - x->mbmi_ext->dc_sign_ctx[plane][block] = dc_sign_ctx; - } - cul_level += level; - continue; - } - ++td->counts->coeff_base[txsize_ctx][plane_type][i][ctx][0]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_base_cdf[txsize_ctx][plane_type][i][ctx], 0, 2); + 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 - update_eob = AOMMAX(update_eob, c); - } - } - - for (c = update_eob; c >= 0; --c) { - tran_low_t v = qcoeff[scan[c]]; - tran_low_t level = abs(v); - int idx; - int ctx; - if (level <= NUM_BASE_LEVELS) continue; + DECLARE_ALIGNED(16, int8_t, coeff_contexts[MAX_TX_SQUARE]); + av1_get_nz_map_contexts(levels, scan, eob, tx_size, tx_class, coeff_contexts); - cul_level += level; - if (c == 0) { - int dc_sign_ctx = txb_ctx.dc_sign_ctx; + 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); - ++td->counts->dc_sign[plane_type][dc_sign_ctx][v < 0]; -#if LV_MAP_PROB - update_bin(ec_ctx->dc_sign_cdf[plane_type][dc_sign_ctx], v < 0, 2); -#endif - x->mbmi_ext->dc_sign_ctx[plane][block] = dc_sign_ctx; + 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); + } } - - // level is above 1. - ctx = get_br_ctx(tcoeff, scan[c], bwl, height); - -#if BR_NODE - int base_range = level - 1 - NUM_BASE_LEVELS; - int br_set_idx = base_range < COEFF_BASE_RANGE - ? coeff_to_br_index[base_range] - : BASE_RANGE_SETS; - - for (idx = 0; idx < BASE_RANGE_SETS; ++idx) { - if (idx == br_set_idx) { - int br_base = br_index_to_coeff[br_set_idx]; - int br_offset = base_range - br_base; - ++td->counts->coeff_br[txsize_ctx][plane_type][idx][ctx][1]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_br_cdf[txsize_ctx][plane_type][idx][ctx], 1, - 2); -#endif - int extra_bits = (1 << br_extra_bits[idx]) - 1; - for (int tok = 0; tok < extra_bits; ++tok) { - if (br_offset == tok) { - ++td->counts->coeff_lps[txsize_ctx][plane_type][ctx][1]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_lps_cdf[txsize_ctx][plane_type][ctx], 1, - 2); -#endif - break; - } - ++td->counts->coeff_lps[txsize_ctx][plane_type][ctx][0]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_lps_cdf[txsize_ctx][plane_type][ctx], 0, 2); + { + 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 - } - break; } - ++td->counts->coeff_br[txsize_ctx][plane_type][idx][ctx][0]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_br_cdf[txsize_ctx][plane_type][idx][ctx], 0, 2); -#endif } -#else // BR_NODE - for (idx = 0; idx < COEFF_BASE_RANGE; ++idx) { - if (level == (idx + 1 + NUM_BASE_LEVELS)) { - ++td->counts->coeff_lps[txsize_ctx][plane_type][ctx][1]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_lps_cdf[txsize_ctx][plane_type][ctx], 1, 2); + 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 - break; + if (k < BR_CDF_SIZE - 1) break; } - ++td->counts->coeff_lps[txsize_ctx][plane_type][ctx][0]; -#if LV_MAP_PROB - update_bin(ec_ctx->coeff_lps_cdf[txsize_ctx][plane_type][ctx], 0, 2); -#endif } - if (idx < COEFF_BASE_RANGE) continue; -#endif // BR_NODE - // use 0-th order Golomb code to handle the residual level. } - cul_level = AOMMIN(COEFF_CONTEXT_MASK, cul_level); + // 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; + } - // DC value - set_dc_sign(&cul_level, tcoeff[0]); - av1_set_contexts(xd, pd, plane, tx_size, cul_level, blk_col, blk_row); - -#if CONFIG_ADAPT_SCAN - // Since dqcoeff is not available here, we pass qcoeff into - // av1_update_scan_count_facade(). The update behavior should be the same - // because av1_update_scan_count_facade() only cares if coefficients are zero - // or not. - av1_update_scan_count_facade((AV1_COMMON *)cm, td->counts, tx_size, tx_type, - qcoeff, eob); -#endif + 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) { + 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]->mbmi; - const int ctx = av1_get_skip_context(xd); - const int skip_inc = - !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP); - struct tokenize_b_args arg = { cpi, td, NULL, 0 }; + 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) { - if (!dry_run) td->counts->skip[ctx][1] += skip_inc; - av1_reset_skip_context(xd, mi_row, mi_col, bsize); + av1_reset_skip_context(xd, mi_row, mi_col, bsize, num_planes); return; } if (!dry_run) { - td->counts->skip[ctx][0] += skip_inc; av1_foreach_transformed_block(xd, bsize, mi_row, mi_col, - av1_update_and_record_txb_context, &arg); + 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); + av1_update_txb_context_b, &arg, num_planes); } else { printf("DRY_RUN_COSTCOEFFS is not supported yet\n"); assert(0); } } - -static void find_new_prob(unsigned int *branch_cnt, aom_prob *oldp, - int *savings, int *update, aom_writer *const bc) { - const aom_prob upd = DIFF_UPDATE_PROB; - int u = 0; - aom_prob newp = get_binary_prob(branch_cnt[0], branch_cnt[1]); - int s = av1_prob_diff_update_savings_search(branch_cnt, *oldp, &newp, upd, 1); - - if (s > 0 && newp != *oldp) u = 1; - - if (u) - *savings += s - (int)(av1_cost_zero(upd)); // TODO(jingning): 1? - else - *savings -= (int)(av1_cost_zero(upd)); - - if (update) { - ++update[u]; - return; - } - - aom_write(bc, u, upd); - if (u) { - /* send/use new probability */ - av1_write_prob_diff_update(bc, newp, *oldp); - *oldp = newp; - } -} - -static void write_txb_probs(aom_writer *const bc, AV1_COMP *cpi, - TX_SIZE tx_size) { - FRAME_CONTEXT *fc = cpi->common.fc; - FRAME_COUNTS *counts = cpi->td.counts; - int savings = 0; - int update[2] = { 0, 0 }; - int plane, ctx, level; - - for (ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx) { - find_new_prob(counts->txb_skip[tx_size][ctx], &fc->txb_skip[tx_size][ctx], - &savings, update, bc); - } - - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx) { - find_new_prob(counts->nz_map[tx_size][plane][ctx], - &fc->nz_map[tx_size][plane][ctx], &savings, update, bc); - } - } - - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx) { - find_new_prob(counts->eob_flag[tx_size][plane][ctx], - &fc->eob_flag[tx_size][plane][ctx], &savings, update, bc); - } - } - - for (level = 0; level < NUM_BASE_LEVELS; ++level) { - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx) { - find_new_prob(counts->coeff_base[tx_size][plane][level][ctx], - &fc->coeff_base[tx_size][plane][level][ctx], &savings, - update, bc); - } - } - } - - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) { - find_new_prob(counts->coeff_lps[tx_size][plane][ctx], - &fc->coeff_lps[tx_size][plane][ctx], &savings, update, bc); - } - } - - // Decide if to update the model for this tx_size - if (update[1] == 0 || savings < 0) { - aom_write_bit(bc, 0); - return; - } - aom_write_bit(bc, 1); - - for (ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx) { - find_new_prob(counts->txb_skip[tx_size][ctx], &fc->txb_skip[tx_size][ctx], - &savings, NULL, bc); - } - - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx) { - find_new_prob(counts->nz_map[tx_size][plane][ctx], - &fc->nz_map[tx_size][plane][ctx], &savings, NULL, bc); - } - } - - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx) { - find_new_prob(counts->eob_flag[tx_size][plane][ctx], - &fc->eob_flag[tx_size][plane][ctx], &savings, NULL, bc); - } - } - - for (level = 0; level < NUM_BASE_LEVELS; ++level) { - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx) { - find_new_prob(counts->coeff_base[tx_size][plane][level][ctx], - &fc->coeff_base[tx_size][plane][level][ctx], &savings, - NULL, bc); - } - } - } - - for (plane = 0; plane < PLANE_TYPES; ++plane) { - for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) { - find_new_prob(counts->coeff_lps[tx_size][plane][ctx], - &fc->coeff_lps[tx_size][plane][ctx], &savings, NULL, bc); - } - } -} - -void av1_write_txb_probs(AV1_COMP *cpi, aom_writer *w) { - const TX_MODE tx_mode = cpi->common.tx_mode; - const TX_SIZE max_tx_size = tx_mode_to_biggest_tx_size[tx_mode]; - TX_SIZE tx_size; - int ctx, plane; - -#if LV_MAP_PROB - return; -#endif - - for (plane = 0; plane < PLANE_TYPES; ++plane) - for (ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx) - av1_cond_prob_diff_update(w, &cpi->common.fc->dc_sign[plane][ctx], - cpi->td.counts->dc_sign[plane][ctx], 1); - - for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size) - write_txb_probs(w, cpi, tx_size); -} - -#if CONFIG_TXK_SEL -int64_t av1_search_txk_type(const AV1_COMP *cpi, MACROBLOCK *x, int plane, - int block, int blk_row, int blk_col, - BLOCK_SIZE plane_bsize, TX_SIZE tx_size, - const ENTROPY_CONTEXT *a, const ENTROPY_CONTEXT *l, - int use_fast_coef_costing, RD_STATS *rd_stats) { - const AV1_COMMON *cm = &cpi->common; - MACROBLOCKD *xd = &x->e_mbd; - MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; - TX_TYPE txk_start = DCT_DCT; - TX_TYPE txk_end = TX_TYPES - 1; - TX_TYPE best_tx_type = txk_start; - int64_t best_rd = INT64_MAX; - uint8_t best_eob = 0; - const int coeff_ctx = combine_entropy_contexts(*a, *l); - RD_STATS best_rd_stats; - TX_TYPE tx_type; - - av1_invalid_rd_stats(&best_rd_stats); - - for (tx_type = txk_start; tx_type <= txk_end; ++tx_type) { - if (plane == 0) mbmi->txk_type[(blk_row << 4) + blk_col] = tx_type; - TX_TYPE ref_tx_type = av1_get_tx_type(get_plane_type(plane), xd, blk_row, - blk_col, block, tx_size); - if (tx_type != ref_tx_type) { - // use av1_get_tx_type() to check if the tx_type is valid for the current - // mode if it's not, we skip it here. - continue; - } - -#if CONFIG_EXT_TX - const int is_inter = is_inter_block(mbmi); - const TxSetType tx_set_type = - get_ext_tx_set_type(get_min_tx_size(tx_size), mbmi->sb_type, is_inter, - cm->reduced_tx_set_used); - if (!av1_ext_tx_used[tx_set_type][tx_type]) continue; -#endif // CONFIG_EXT_TX - - RD_STATS this_rd_stats; - av1_invalid_rd_stats(&this_rd_stats); - av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, - coeff_ctx, AV1_XFORM_QUANT_FP); - av1_optimize_b(cm, x, plane, blk_row, blk_col, block, plane_bsize, tx_size, - a, l, 1); - av1_dist_block(cpi, x, plane, plane_bsize, block, blk_row, blk_col, tx_size, - &this_rd_stats.dist, &this_rd_stats.sse, - OUTPUT_HAS_PREDICTED_PIXELS); - const SCAN_ORDER *scan_order = get_scan(cm, tx_size, tx_type, mbmi); - this_rd_stats.rate = - av1_cost_coeffs(cpi, x, plane, blk_row, blk_col, block, tx_size, - scan_order, a, l, use_fast_coef_costing); - int rd = RDCOST(x->rdmult, this_rd_stats.rate, this_rd_stats.dist); - - if (rd < best_rd) { - best_rd = rd; - best_rd_stats = this_rd_stats; - best_tx_type = tx_type; - best_eob = x->plane[plane].txb_entropy_ctx[block]; - } - } - - av1_merge_rd_stats(rd_stats, &best_rd_stats); - - if (best_eob == 0 && is_inter_block(mbmi)) best_tx_type = DCT_DCT; - - if (plane == 0) mbmi->txk_type[(blk_row << 4) + blk_col] = best_tx_type; - x->plane[plane].txb_entropy_ctx[block] = best_eob; - - if (!is_inter_block(mbmi)) { - // intra mode needs decoded result such that the next transform block - // can use it for prediction. - av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, - coeff_ctx, AV1_XFORM_QUANT_FP); - av1_optimize_b(cm, x, plane, blk_row, blk_col, block, plane_bsize, tx_size, - a, l, 1); - - av1_inverse_transform_block_facade(xd, plane, block, blk_row, blk_col, - x->plane[plane].eobs[block]); - } - return best_rd; -} -#endif // CONFIG_TXK_SEL |