diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/encoder/rdopt_utils.h | 797 |
1 files changed, 797 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/rdopt_utils.h b/third_party/aom/av1/encoder/rdopt_utils.h new file mode 100644 index 0000000000..b6bc4927e3 --- /dev/null +++ b/third_party/aom/av1/encoder/rdopt_utils.h @@ -0,0 +1,797 @@ +/* + * Copyright (c) 2019, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#ifndef AOM_AV1_ENCODER_RDOPT_UTILS_H_ +#define AOM_AV1_ENCODER_RDOPT_UTILS_H_ + +#include "aom/aom_integer.h" +#include "av1/encoder/block.h" +#include "av1/common/cfl.h" +#include "av1/common/pred_common.h" +#include "av1/encoder/rdopt_data_defs.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define MAX_REF_MV_SEARCH 3 +#define MAX_TX_RD_GATE_LEVEL 5 +#define INTER_INTRA_RD_THRESH_SCALE 9 +#define INTER_INTRA_RD_THRESH_SHIFT 4 + +typedef struct { + PREDICTION_MODE mode; + MV_REFERENCE_FRAME ref_frame[2]; +} MODE_DEFINITION; + +// This array defines the mapping from the enums in THR_MODES to the actual +// prediction modes and refrence frames +static const MODE_DEFINITION av1_mode_defs[MAX_MODES] = { + { NEARESTMV, { LAST_FRAME, NONE_FRAME } }, + { NEARESTMV, { LAST2_FRAME, NONE_FRAME } }, + { NEARESTMV, { LAST3_FRAME, NONE_FRAME } }, + { NEARESTMV, { BWDREF_FRAME, NONE_FRAME } }, + { NEARESTMV, { ALTREF2_FRAME, NONE_FRAME } }, + { NEARESTMV, { ALTREF_FRAME, NONE_FRAME } }, + { NEARESTMV, { GOLDEN_FRAME, NONE_FRAME } }, + + { NEWMV, { LAST_FRAME, NONE_FRAME } }, + { NEWMV, { LAST2_FRAME, NONE_FRAME } }, + { NEWMV, { LAST3_FRAME, NONE_FRAME } }, + { NEWMV, { BWDREF_FRAME, NONE_FRAME } }, + { NEWMV, { ALTREF2_FRAME, NONE_FRAME } }, + { NEWMV, { ALTREF_FRAME, NONE_FRAME } }, + { NEWMV, { GOLDEN_FRAME, NONE_FRAME } }, + + { NEARMV, { LAST_FRAME, NONE_FRAME } }, + { NEARMV, { LAST2_FRAME, NONE_FRAME } }, + { NEARMV, { LAST3_FRAME, NONE_FRAME } }, + { NEARMV, { BWDREF_FRAME, NONE_FRAME } }, + { NEARMV, { ALTREF2_FRAME, NONE_FRAME } }, + { NEARMV, { ALTREF_FRAME, NONE_FRAME } }, + { NEARMV, { GOLDEN_FRAME, NONE_FRAME } }, + + { GLOBALMV, { LAST_FRAME, NONE_FRAME } }, + { GLOBALMV, { LAST2_FRAME, NONE_FRAME } }, + { GLOBALMV, { LAST3_FRAME, NONE_FRAME } }, + { GLOBALMV, { BWDREF_FRAME, NONE_FRAME } }, + { GLOBALMV, { ALTREF2_FRAME, NONE_FRAME } }, + { GLOBALMV, { ALTREF_FRAME, NONE_FRAME } }, + { GLOBALMV, { GOLDEN_FRAME, NONE_FRAME } }, + + // TODO(zoeliu): May need to reconsider the order on the modes to check + + { NEAREST_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } }, + { NEAREST_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } }, + { NEAREST_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } }, + { NEAREST_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { NEAREST_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } }, + { NEAREST_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } }, + { NEAREST_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } }, + { NEAREST_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { NEAREST_NEARESTMV, { LAST_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEARESTMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEARESTMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEARESTMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + + { NEAREST_NEARESTMV, { LAST_FRAME, LAST2_FRAME } }, + { NEAREST_NEARESTMV, { LAST_FRAME, LAST3_FRAME } }, + { NEAREST_NEARESTMV, { LAST_FRAME, GOLDEN_FRAME } }, + { NEAREST_NEARESTMV, { BWDREF_FRAME, ALTREF_FRAME } }, + + { NEAR_NEARMV, { LAST_FRAME, BWDREF_FRAME } }, + { NEW_NEWMV, { LAST_FRAME, BWDREF_FRAME } }, + { NEW_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } }, + { NEAREST_NEWMV, { LAST_FRAME, BWDREF_FRAME } }, + { NEW_NEARMV, { LAST_FRAME, BWDREF_FRAME } }, + { NEAR_NEWMV, { LAST_FRAME, BWDREF_FRAME } }, + { GLOBAL_GLOBALMV, { LAST_FRAME, BWDREF_FRAME } }, + + { NEAR_NEARMV, { LAST_FRAME, ALTREF_FRAME } }, + { NEW_NEWMV, { LAST_FRAME, ALTREF_FRAME } }, + { NEW_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } }, + { NEAREST_NEWMV, { LAST_FRAME, ALTREF_FRAME } }, + { NEW_NEARMV, { LAST_FRAME, ALTREF_FRAME } }, + { NEAR_NEWMV, { LAST_FRAME, ALTREF_FRAME } }, + { GLOBAL_GLOBALMV, { LAST_FRAME, ALTREF_FRAME } }, + + { NEAR_NEARMV, { LAST2_FRAME, ALTREF_FRAME } }, + { NEW_NEWMV, { LAST2_FRAME, ALTREF_FRAME } }, + { NEW_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } }, + { NEAREST_NEWMV, { LAST2_FRAME, ALTREF_FRAME } }, + { NEW_NEARMV, { LAST2_FRAME, ALTREF_FRAME } }, + { NEAR_NEWMV, { LAST2_FRAME, ALTREF_FRAME } }, + { GLOBAL_GLOBALMV, { LAST2_FRAME, ALTREF_FRAME } }, + + { NEAR_NEARMV, { LAST3_FRAME, ALTREF_FRAME } }, + { NEW_NEWMV, { LAST3_FRAME, ALTREF_FRAME } }, + { NEW_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } }, + { NEAREST_NEWMV, { LAST3_FRAME, ALTREF_FRAME } }, + { NEW_NEARMV, { LAST3_FRAME, ALTREF_FRAME } }, + { NEAR_NEWMV, { LAST3_FRAME, ALTREF_FRAME } }, + { GLOBAL_GLOBALMV, { LAST3_FRAME, ALTREF_FRAME } }, + + { NEAR_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { NEW_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { NEW_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { NEAREST_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { NEW_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { NEAR_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + { GLOBAL_GLOBALMV, { GOLDEN_FRAME, ALTREF_FRAME } }, + + { NEAR_NEARMV, { LAST2_FRAME, BWDREF_FRAME } }, + { NEW_NEWMV, { LAST2_FRAME, BWDREF_FRAME } }, + { NEW_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } }, + { NEAREST_NEWMV, { LAST2_FRAME, BWDREF_FRAME } }, + { NEW_NEARMV, { LAST2_FRAME, BWDREF_FRAME } }, + { NEAR_NEWMV, { LAST2_FRAME, BWDREF_FRAME } }, + { GLOBAL_GLOBALMV, { LAST2_FRAME, BWDREF_FRAME } }, + + { NEAR_NEARMV, { LAST3_FRAME, BWDREF_FRAME } }, + { NEW_NEWMV, { LAST3_FRAME, BWDREF_FRAME } }, + { NEW_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } }, + { NEAREST_NEWMV, { LAST3_FRAME, BWDREF_FRAME } }, + { NEW_NEARMV, { LAST3_FRAME, BWDREF_FRAME } }, + { NEAR_NEWMV, { LAST3_FRAME, BWDREF_FRAME } }, + { GLOBAL_GLOBALMV, { LAST3_FRAME, BWDREF_FRAME } }, + + { NEAR_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { NEW_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { NEW_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { NEAREST_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { NEW_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { NEAR_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + { GLOBAL_GLOBALMV, { GOLDEN_FRAME, BWDREF_FRAME } }, + + { NEAR_NEARMV, { LAST_FRAME, ALTREF2_FRAME } }, + { NEW_NEWMV, { LAST_FRAME, ALTREF2_FRAME } }, + { NEW_NEARESTMV, { LAST_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEWMV, { LAST_FRAME, ALTREF2_FRAME } }, + { NEW_NEARMV, { LAST_FRAME, ALTREF2_FRAME } }, + { NEAR_NEWMV, { LAST_FRAME, ALTREF2_FRAME } }, + { GLOBAL_GLOBALMV, { LAST_FRAME, ALTREF2_FRAME } }, + + { NEAR_NEARMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { NEW_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { NEW_NEARESTMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { NEW_NEARMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { NEAR_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } }, + { GLOBAL_GLOBALMV, { LAST2_FRAME, ALTREF2_FRAME } }, + + { NEAR_NEARMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { NEW_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { NEW_NEARESTMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { NEW_NEARMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { NEAR_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } }, + { GLOBAL_GLOBALMV, { LAST3_FRAME, ALTREF2_FRAME } }, + + { NEAR_NEARMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + { NEW_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + { NEW_NEARESTMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + { NEAREST_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + { NEW_NEARMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + { NEAR_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + { GLOBAL_GLOBALMV, { GOLDEN_FRAME, ALTREF2_FRAME } }, + + { NEAR_NEARMV, { LAST_FRAME, LAST2_FRAME } }, + { NEW_NEWMV, { LAST_FRAME, LAST2_FRAME } }, + { NEW_NEARESTMV, { LAST_FRAME, LAST2_FRAME } }, + { NEAREST_NEWMV, { LAST_FRAME, LAST2_FRAME } }, + { NEW_NEARMV, { LAST_FRAME, LAST2_FRAME } }, + { NEAR_NEWMV, { LAST_FRAME, LAST2_FRAME } }, + { GLOBAL_GLOBALMV, { LAST_FRAME, LAST2_FRAME } }, + + { NEAR_NEARMV, { LAST_FRAME, LAST3_FRAME } }, + { NEW_NEWMV, { LAST_FRAME, LAST3_FRAME } }, + { NEW_NEARESTMV, { LAST_FRAME, LAST3_FRAME } }, + { NEAREST_NEWMV, { LAST_FRAME, LAST3_FRAME } }, + { NEW_NEARMV, { LAST_FRAME, LAST3_FRAME } }, + { NEAR_NEWMV, { LAST_FRAME, LAST3_FRAME } }, + { GLOBAL_GLOBALMV, { LAST_FRAME, LAST3_FRAME } }, + + { NEAR_NEARMV, { LAST_FRAME, GOLDEN_FRAME } }, + { NEW_NEWMV, { LAST_FRAME, GOLDEN_FRAME } }, + { NEW_NEARESTMV, { LAST_FRAME, GOLDEN_FRAME } }, + { NEAREST_NEWMV, { LAST_FRAME, GOLDEN_FRAME } }, + { NEW_NEARMV, { LAST_FRAME, GOLDEN_FRAME } }, + { NEAR_NEWMV, { LAST_FRAME, GOLDEN_FRAME } }, + { GLOBAL_GLOBALMV, { LAST_FRAME, GOLDEN_FRAME } }, + + { NEAR_NEARMV, { BWDREF_FRAME, ALTREF_FRAME } }, + { NEW_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } }, + { NEW_NEARESTMV, { BWDREF_FRAME, ALTREF_FRAME } }, + { NEAREST_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } }, + { NEW_NEARMV, { BWDREF_FRAME, ALTREF_FRAME } }, + { NEAR_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } }, + { GLOBAL_GLOBALMV, { BWDREF_FRAME, ALTREF_FRAME } }, + + // intra modes + { DC_PRED, { INTRA_FRAME, NONE_FRAME } }, + { PAETH_PRED, { INTRA_FRAME, NONE_FRAME } }, + { SMOOTH_PRED, { INTRA_FRAME, NONE_FRAME } }, + { SMOOTH_V_PRED, { INTRA_FRAME, NONE_FRAME } }, + { SMOOTH_H_PRED, { INTRA_FRAME, NONE_FRAME } }, + { H_PRED, { INTRA_FRAME, NONE_FRAME } }, + { V_PRED, { INTRA_FRAME, NONE_FRAME } }, + { D135_PRED, { INTRA_FRAME, NONE_FRAME } }, + { D203_PRED, { INTRA_FRAME, NONE_FRAME } }, + { D157_PRED, { INTRA_FRAME, NONE_FRAME } }, + { D67_PRED, { INTRA_FRAME, NONE_FRAME } }, + { D113_PRED, { INTRA_FRAME, NONE_FRAME } }, + { D45_PRED, { INTRA_FRAME, NONE_FRAME } }, +}; + +// Number of winner modes allowed for different values of the speed feature +// multi_winner_mode_type. +static const int winner_mode_count_allowed[MULTI_WINNER_MODE_LEVELS] = { + 1, // MULTI_WINNER_MODE_OFF + 2, // MULTI_WINNER_MODE_FAST + 3 // MULTI_WINNER_MODE_DEFAULT +}; + +static AOM_INLINE void restore_dst_buf(MACROBLOCKD *xd, const BUFFER_SET dst, + const int num_planes) { + for (int i = 0; i < num_planes; i++) { + xd->plane[i].dst.buf = dst.plane[i]; + xd->plane[i].dst.stride = dst.stride[i]; + } +} + +static AOM_INLINE void swap_dst_buf(MACROBLOCKD *xd, + const BUFFER_SET *dst_bufs[2], + int num_planes) { + const BUFFER_SET *buf0 = dst_bufs[0]; + dst_bufs[0] = dst_bufs[1]; + dst_bufs[1] = buf0; + restore_dst_buf(xd, *dst_bufs[0], num_planes); +} + +/* clang-format on */ +// Calculate rd threshold based on ref best rd and relevant scaling factors +static AOM_INLINE int64_t get_rd_thresh_from_best_rd(int64_t ref_best_rd, + int mul_factor, + int div_factor) { + int64_t rd_thresh = ref_best_rd; + if (div_factor != 0) { + rd_thresh = ref_best_rd < (div_factor * (INT64_MAX / mul_factor)) + ? ((ref_best_rd / div_factor) * mul_factor) + : INT64_MAX; + } + return rd_thresh; +} + +static AOM_INLINE THR_MODES +get_prediction_mode_idx(PREDICTION_MODE this_mode, MV_REFERENCE_FRAME ref_frame, + MV_REFERENCE_FRAME second_ref_frame) { + if (this_mode < INTRA_MODE_END) { + assert(ref_frame == INTRA_FRAME); + assert(second_ref_frame == NONE_FRAME); + return intra_to_mode_idx[this_mode - INTRA_MODE_START]; + } + if (this_mode >= SINGLE_INTER_MODE_START && + this_mode < SINGLE_INTER_MODE_END) { + assert((ref_frame > INTRA_FRAME) && (ref_frame <= ALTREF_FRAME)); + return single_inter_to_mode_idx[this_mode - SINGLE_INTER_MODE_START] + [ref_frame]; + } + if (this_mode >= COMP_INTER_MODE_START && this_mode < COMP_INTER_MODE_END && + second_ref_frame != NONE_FRAME) { + assert((ref_frame > INTRA_FRAME) && (ref_frame <= ALTREF_FRAME)); + assert((second_ref_frame > INTRA_FRAME) && + (second_ref_frame <= ALTREF_FRAME)); + return comp_inter_to_mode_idx[this_mode - COMP_INTER_MODE_START][ref_frame] + [second_ref_frame]; + } + assert(0); + return THR_INVALID; +} + +static AOM_INLINE int inter_mode_data_block_idx(BLOCK_SIZE bsize) { + if (bsize == BLOCK_4X4 || bsize == BLOCK_4X8 || bsize == BLOCK_8X4 || + bsize == BLOCK_4X16 || bsize == BLOCK_16X4) { + return -1; + } + return 1; +} + +// Get transform block visible dimensions cropped to the MI units. +static AOM_INLINE void get_txb_dimensions(const MACROBLOCKD *xd, int plane, + BLOCK_SIZE plane_bsize, int blk_row, + int blk_col, BLOCK_SIZE tx_bsize, + int *width, int *height, + int *visible_width, + int *visible_height) { + assert(tx_bsize <= plane_bsize); + const int txb_height = block_size_high[tx_bsize]; + const int txb_width = block_size_wide[tx_bsize]; + const struct macroblockd_plane *const pd = &xd->plane[plane]; + + // TODO(aconverse@google.com): Investigate using crop_width/height here rather + // than the MI size + if (xd->mb_to_bottom_edge >= 0) { + *visible_height = txb_height; + } else { + const int block_height = block_size_high[plane_bsize]; + const int block_rows = + (xd->mb_to_bottom_edge >> (3 + pd->subsampling_y)) + block_height; + *visible_height = + clamp(block_rows - (blk_row << MI_SIZE_LOG2), 0, txb_height); + } + if (height) *height = txb_height; + + if (xd->mb_to_right_edge >= 0) { + *visible_width = txb_width; + } else { + const int block_width = block_size_wide[plane_bsize]; + const int block_cols = + (xd->mb_to_right_edge >> (3 + pd->subsampling_x)) + block_width; + *visible_width = + clamp(block_cols - (blk_col << MI_SIZE_LOG2), 0, txb_width); + } + if (width) *width = txb_width; +} + +static AOM_INLINE int bsize_to_num_blk(BLOCK_SIZE bsize) { + int num_blk = 1 << (num_pels_log2_lookup[bsize] - 2 * MI_SIZE_LOG2); + return num_blk; +} + +static INLINE int check_txfm_eval(MACROBLOCK *const x, BLOCK_SIZE bsize, + int64_t best_skip_rd, int64_t skip_rd, + int level, int is_luma_only) { + int eval_txfm = 1; + // Derive aggressiveness factor for gating the transform search + // Lower value indicates more aggressiveness. Be more conservative (high + // value) for (i) low quantizers (ii) regions where prediction is poor + const int scale[MAX_TX_RD_GATE_LEVEL + 1] = { INT_MAX, 4, 3, 2, 2, 1 }; + const int qslope = 2 * (!is_luma_only); + const int level_to_qindex_map[MAX_TX_RD_GATE_LEVEL + 1] = { 0, 0, 0, + 80, 100, 140 }; + int aggr_factor = 4; + assert(level <= MAX_TX_RD_GATE_LEVEL); + const int pred_qindex_thresh = level_to_qindex_map[level]; + if (!is_luma_only && level <= 2) { + aggr_factor = 4 * AOMMAX(1, ROUND_POWER_OF_TWO((MAXQ - x->qindex) * qslope, + QINDEX_BITS)); + } + if ((best_skip_rd > + (x->source_variance << (num_pels_log2_lookup[bsize] + RDDIV_BITS))) && + (x->qindex >= pred_qindex_thresh)) + aggr_factor *= scale[level]; + // For level setting 1, be more conservative for non-luma-only case even when + // prediction is good. + else if ((level <= 1) && !is_luma_only) + aggr_factor = (aggr_factor >> 2) * 6; + + // Be more conservative for luma only cases (called from compound type rd) + // since best_skip_rd is computed after and skip_rd is computed (with 8-bit + // prediction signals blended for WEDGE/DIFFWTD rather than 16-bit) before + // interpolation filter search + const int luma_mul[MAX_TX_RD_GATE_LEVEL + 1] = { + INT_MAX, 32, 29, 17, 17, 17 + }; + int mul_factor = is_luma_only ? luma_mul[level] : 16; + int64_t rd_thresh = + (best_skip_rd == INT64_MAX) + ? best_skip_rd + : (int64_t)(best_skip_rd * aggr_factor * mul_factor >> 6); + if (skip_rd > rd_thresh) eval_txfm = 0; + return eval_txfm; +} + +static TX_MODE select_tx_mode( + const AV1_COMMON *cm, const TX_SIZE_SEARCH_METHOD tx_size_search_method) { + if (cm->features.coded_lossless) return ONLY_4X4; + if (tx_size_search_method == USE_LARGESTALL) { + return TX_MODE_LARGEST; + } else { + assert(tx_size_search_method == USE_FULL_RD || + tx_size_search_method == USE_FAST_RD); + return TX_MODE_SELECT; + } +} + +// Checks the conditions to disable winner mode processing +static INLINE int bypass_winner_mode_processing(const MACROBLOCK *const x, + const SPEED_FEATURES *sf, + int use_txfm_skip, + int actual_txfm_skip, + PREDICTION_MODE best_mode) { + const int prune_winner_mode_eval_level = + sf->winner_mode_sf.prune_winner_mode_eval_level; + + // Disable winner mode processing for blocks with low source variance. + // The aggressiveness of this pruning logic reduces as qindex increases. + // The threshold decreases linearly from 64 as qindex varies from 0 to 255. + if (prune_winner_mode_eval_level == 1) { + const unsigned int src_var_thresh = 64 - 48 * x->qindex / (MAXQ + 1); + if (x->source_variance < src_var_thresh) return 1; + } else if (prune_winner_mode_eval_level == 2) { + // Skip winner mode processing of blocks for which transform turns out to be + // skip due to nature of eob alone except NEWMV mode. + if (!have_newmv_in_inter_mode(best_mode) && actual_txfm_skip) return 1; + } else if (prune_winner_mode_eval_level == 3) { + // Skip winner mode processing of blocks for which transform turns out to be + // skip except NEWMV mode and considered based on the quantizer. + // At high quantizers: Take conservative approach by considering transform + // skip based on eob alone. + // At low quantizers: Consider transform skip based on eob nature or RD cost + // evaluation. + const int is_txfm_skip = + x->qindex > 127 ? actual_txfm_skip : actual_txfm_skip || use_txfm_skip; + + if (!have_newmv_in_inter_mode(best_mode) && is_txfm_skip) return 1; + } else if (prune_winner_mode_eval_level >= 4) { + // Do not skip winner mode evaluation at low quantizers if normal mode's + // transform search was too aggressive. + if (sf->rd_sf.perform_coeff_opt >= 5 && x->qindex <= 70) return 0; + + if (use_txfm_skip || actual_txfm_skip) return 1; + } + + return 0; +} + +// Checks the conditions to enable winner mode processing +static INLINE int is_winner_mode_processing_enabled(const struct AV1_COMP *cpi, + const MACROBLOCK *const x, + MB_MODE_INFO *const mbmi, + int actual_txfm_skip) { + const SPEED_FEATURES *sf = &cpi->sf; + const PREDICTION_MODE best_mode = mbmi->mode; + + if (bypass_winner_mode_processing(x, sf, mbmi->skip_txfm, actual_txfm_skip, + best_mode)) + return 0; + + // TODO(any): Move block independent condition checks to frame level + if (is_inter_block(mbmi)) { + if (is_inter_mode(best_mode) && + (sf->tx_sf.tx_type_search.fast_inter_tx_type_prob_thresh != INT_MAX) && + !cpi->oxcf.txfm_cfg.use_inter_dct_only) + return 1; + } else { + if (sf->tx_sf.tx_type_search.fast_intra_tx_type_search && + !cpi->oxcf.txfm_cfg.use_intra_default_tx_only && + !cpi->oxcf.txfm_cfg.use_intra_dct_only) + return 1; + } + + // Check speed feature related to winner mode processing + if (sf->winner_mode_sf.enable_winner_mode_for_coeff_opt && + cpi->optimize_seg_arr[mbmi->segment_id] != NO_TRELLIS_OPT && + cpi->optimize_seg_arr[mbmi->segment_id] != FINAL_PASS_TRELLIS_OPT) + return 1; + if (sf->winner_mode_sf.enable_winner_mode_for_tx_size_srch) return 1; + + return 0; +} + +static INLINE void set_tx_size_search_method( + const AV1_COMMON *cm, const WinnerModeParams *winner_mode_params, + TxfmSearchParams *txfm_params, int enable_winner_mode_for_tx_size_srch, + int is_winner_mode) { + // Populate transform size search method/transform mode appropriately + txfm_params->tx_size_search_method = + winner_mode_params->tx_size_search_methods[DEFAULT_EVAL]; + if (enable_winner_mode_for_tx_size_srch) { + if (is_winner_mode) + txfm_params->tx_size_search_method = + winner_mode_params->tx_size_search_methods[WINNER_MODE_EVAL]; + else + txfm_params->tx_size_search_method = + winner_mode_params->tx_size_search_methods[MODE_EVAL]; + } + txfm_params->tx_mode_search_type = + select_tx_mode(cm, txfm_params->tx_size_search_method); +} + +static INLINE void set_tx_type_prune(const SPEED_FEATURES *sf, + TxfmSearchParams *txfm_params, + int winner_mode_tx_type_pruning, + int is_winner_mode) { + // Populate prune transform mode appropriately + txfm_params->prune_2d_txfm_mode = sf->tx_sf.tx_type_search.prune_2d_txfm_mode; + if (!winner_mode_tx_type_pruning) return; + + const int prune_mode[4][2] = { { TX_TYPE_PRUNE_3, TX_TYPE_PRUNE_0 }, + { TX_TYPE_PRUNE_4, TX_TYPE_PRUNE_0 }, + { TX_TYPE_PRUNE_5, TX_TYPE_PRUNE_2 }, + { TX_TYPE_PRUNE_5, TX_TYPE_PRUNE_3 } }; + txfm_params->prune_2d_txfm_mode = + prune_mode[winner_mode_tx_type_pruning - 1][is_winner_mode]; +} + +static INLINE void set_tx_domain_dist_params( + const WinnerModeParams *winner_mode_params, TxfmSearchParams *txfm_params, + int enable_winner_mode_for_tx_domain_dist, int is_winner_mode) { + if (txfm_params->use_qm_dist_metric) { + // QM-weighted PSNR is computed in transform space, so we need to forcibly + // enable the use of tx domain distortion. + txfm_params->use_transform_domain_distortion = 1; + txfm_params->tx_domain_dist_threshold = 0; + return; + } + + if (!enable_winner_mode_for_tx_domain_dist) { + txfm_params->use_transform_domain_distortion = + winner_mode_params->use_transform_domain_distortion[DEFAULT_EVAL]; + txfm_params->tx_domain_dist_threshold = + winner_mode_params->tx_domain_dist_threshold[DEFAULT_EVAL]; + return; + } + + if (is_winner_mode) { + txfm_params->use_transform_domain_distortion = + winner_mode_params->use_transform_domain_distortion[WINNER_MODE_EVAL]; + txfm_params->tx_domain_dist_threshold = + winner_mode_params->tx_domain_dist_threshold[WINNER_MODE_EVAL]; + } else { + txfm_params->use_transform_domain_distortion = + winner_mode_params->use_transform_domain_distortion[MODE_EVAL]; + txfm_params->tx_domain_dist_threshold = + winner_mode_params->tx_domain_dist_threshold[MODE_EVAL]; + } +} + +// This function sets mode parameters for different mode evaluation stages +static INLINE void set_mode_eval_params(const struct AV1_COMP *cpi, + MACROBLOCK *x, + MODE_EVAL_TYPE mode_eval_type) { + const AV1_COMMON *cm = &cpi->common; + const SPEED_FEATURES *sf = &cpi->sf; + const WinnerModeParams *winner_mode_params = &cpi->winner_mode_params; + TxfmSearchParams *txfm_params = &x->txfm_search_params; + + txfm_params->use_qm_dist_metric = + cpi->oxcf.tune_cfg.dist_metric == AOM_DIST_METRIC_QM_PSNR; + + switch (mode_eval_type) { + case DEFAULT_EVAL: + txfm_params->default_inter_tx_type_prob_thresh = INT_MAX; + txfm_params->use_default_intra_tx_type = 0; + txfm_params->skip_txfm_level = + winner_mode_params->skip_txfm_level[DEFAULT_EVAL]; + txfm_params->predict_dc_level = + winner_mode_params->predict_dc_level[DEFAULT_EVAL]; + // Set default transform domain distortion type + set_tx_domain_dist_params(winner_mode_params, txfm_params, 0, 0); + + // Get default threshold for R-D optimization of coefficients + get_rd_opt_coeff_thresh(winner_mode_params->coeff_opt_thresholds, + txfm_params, 0, 0); + + // Set default transform size search method + set_tx_size_search_method(cm, winner_mode_params, txfm_params, 0, 0); + // Set default transform type prune + set_tx_type_prune(sf, txfm_params, 0, 0); + break; + case MODE_EVAL: + txfm_params->use_default_intra_tx_type = + (cpi->sf.tx_sf.tx_type_search.fast_intra_tx_type_search || + cpi->oxcf.txfm_cfg.use_intra_default_tx_only); + txfm_params->default_inter_tx_type_prob_thresh = + cpi->sf.tx_sf.tx_type_search.fast_inter_tx_type_prob_thresh; + txfm_params->skip_txfm_level = + winner_mode_params->skip_txfm_level[MODE_EVAL]; + txfm_params->predict_dc_level = + winner_mode_params->predict_dc_level[MODE_EVAL]; + // Set transform domain distortion type for mode evaluation + set_tx_domain_dist_params( + winner_mode_params, txfm_params, + sf->winner_mode_sf.enable_winner_mode_for_use_tx_domain_dist, 0); + + // Get threshold for R-D optimization of coefficients during mode + // evaluation + get_rd_opt_coeff_thresh( + winner_mode_params->coeff_opt_thresholds, txfm_params, + sf->winner_mode_sf.enable_winner_mode_for_coeff_opt, 0); + + // Set the transform size search method for mode evaluation + set_tx_size_search_method( + cm, winner_mode_params, txfm_params, + sf->winner_mode_sf.enable_winner_mode_for_tx_size_srch, 0); + // Set transform type prune for mode evaluation + set_tx_type_prune(sf, txfm_params, + sf->tx_sf.tx_type_search.winner_mode_tx_type_pruning, + 0); + break; + case WINNER_MODE_EVAL: + txfm_params->default_inter_tx_type_prob_thresh = INT_MAX; + txfm_params->use_default_intra_tx_type = 0; + txfm_params->skip_txfm_level = + winner_mode_params->skip_txfm_level[WINNER_MODE_EVAL]; + txfm_params->predict_dc_level = + winner_mode_params->predict_dc_level[WINNER_MODE_EVAL]; + + // Set transform domain distortion type for winner mode evaluation + set_tx_domain_dist_params( + winner_mode_params, txfm_params, + sf->winner_mode_sf.enable_winner_mode_for_use_tx_domain_dist, 1); + + // Get threshold for R-D optimization of coefficients for winner mode + // evaluation + get_rd_opt_coeff_thresh( + winner_mode_params->coeff_opt_thresholds, txfm_params, + sf->winner_mode_sf.enable_winner_mode_for_coeff_opt, 1); + + // Set the transform size search method for winner mode evaluation + set_tx_size_search_method( + cm, winner_mode_params, txfm_params, + sf->winner_mode_sf.enable_winner_mode_for_tx_size_srch, 1); + // Set default transform type prune mode for winner mode evaluation + set_tx_type_prune(sf, txfm_params, + sf->tx_sf.tx_type_search.winner_mode_tx_type_pruning, + 1); + break; + default: assert(0); + } + + // Rd record collected at a specific mode evaluation stage can not be used + // across other evaluation stages as the transform parameters are different. + // Hence, reset mb rd record whenever mode evaluation stage type changes. + if (txfm_params->mode_eval_type != mode_eval_type) + reset_mb_rd_record(x->txfm_search_info.mb_rd_record); + + txfm_params->mode_eval_type = mode_eval_type; +} + +// Similar to store_cfl_required(), but for use during the RDO process, +// where we haven't yet determined whether this block uses CfL. +static INLINE CFL_ALLOWED_TYPE store_cfl_required_rdo(const AV1_COMMON *cm, + const MACROBLOCK *x) { + const MACROBLOCKD *xd = &x->e_mbd; + + if (cm->seq_params->monochrome || !xd->is_chroma_ref) return CFL_DISALLOWED; + + if (!xd->is_chroma_ref) { + // For non-chroma-reference blocks, we should always store the luma pixels, + // in case the corresponding chroma-reference block uses CfL. + // Note that this can only happen for block sizes which are <8 on + // their shortest side, as otherwise they would be chroma reference + // blocks. + return CFL_ALLOWED; + } + + // For chroma reference blocks, we should store data in the encoder iff we're + // allowed to try out CfL. + return is_cfl_allowed(xd); +} + +static AOM_INLINE void init_sbuv_mode(MB_MODE_INFO *const mbmi) { + mbmi->uv_mode = UV_DC_PRED; + mbmi->palette_mode_info.palette_size[1] = 0; +} + +// Store best mode stats for winner mode processing +static INLINE void store_winner_mode_stats( + const AV1_COMMON *const cm, MACROBLOCK *x, const MB_MODE_INFO *mbmi, + RD_STATS *rd_cost, RD_STATS *rd_cost_y, RD_STATS *rd_cost_uv, + THR_MODES mode_index, uint8_t *color_map, BLOCK_SIZE bsize, int64_t this_rd, + int multi_winner_mode_type, int txfm_search_done) { + WinnerModeStats *winner_mode_stats = x->winner_mode_stats; + int mode_idx = 0; + int is_palette_mode = mbmi->palette_mode_info.palette_size[PLANE_TYPE_Y] > 0; + // Mode stat is not required when multiwinner mode processing is disabled + if (multi_winner_mode_type == MULTI_WINNER_MODE_OFF) return; + // Ignore mode with maximum rd + if (this_rd == INT64_MAX) return; + // TODO(any): Winner mode processing is currently not applicable for palette + // mode in Inter frames. Clean-up the following code, once support is added + if (!frame_is_intra_only(cm) && is_palette_mode) return; + + int max_winner_mode_count = winner_mode_count_allowed[multi_winner_mode_type]; + assert(x->winner_mode_count >= 0 && + x->winner_mode_count <= max_winner_mode_count); + + if (x->winner_mode_count) { + // Find the mode which has higher rd cost than this_rd + for (mode_idx = 0; mode_idx < x->winner_mode_count; mode_idx++) + if (winner_mode_stats[mode_idx].rd > this_rd) break; + + if (mode_idx == max_winner_mode_count) { + // No mode has higher rd cost than this_rd + return; + } else if (mode_idx < max_winner_mode_count - 1) { + // Create a slot for current mode and move others to the next slot + memmove( + &winner_mode_stats[mode_idx + 1], &winner_mode_stats[mode_idx], + (max_winner_mode_count - mode_idx - 1) * sizeof(*winner_mode_stats)); + } + } + // Add a mode stat for winner mode processing + winner_mode_stats[mode_idx].mbmi = *mbmi; + winner_mode_stats[mode_idx].rd = this_rd; + winner_mode_stats[mode_idx].mode_index = mode_index; + + // Update rd stats required for inter frame + if (!frame_is_intra_only(cm) && rd_cost && rd_cost_y && rd_cost_uv) { + const MACROBLOCKD *xd = &x->e_mbd; + const int skip_ctx = av1_get_skip_txfm_context(xd); + const int is_intra_mode = av1_mode_defs[mode_index].mode < INTRA_MODE_END; + const int skip_txfm = mbmi->skip_txfm && !is_intra_mode; + + winner_mode_stats[mode_idx].rd_cost = *rd_cost; + if (txfm_search_done) { + winner_mode_stats[mode_idx].rate_y = + rd_cost_y->rate + + x->mode_costs + .skip_txfm_cost[skip_ctx][rd_cost->skip_txfm || skip_txfm]; + winner_mode_stats[mode_idx].rate_uv = rd_cost_uv->rate; + } + } + + if (color_map) { + // Store color_index_map for palette mode + const MACROBLOCKD *const xd = &x->e_mbd; + int block_width, block_height; + av1_get_block_dimensions(bsize, AOM_PLANE_Y, xd, &block_width, + &block_height, NULL, NULL); + memcpy(winner_mode_stats[mode_idx].color_index_map, color_map, + block_width * block_height * sizeof(color_map[0])); + } + + x->winner_mode_count = + AOMMIN(x->winner_mode_count + 1, max_winner_mode_count); +} + +unsigned int av1_get_perpixel_variance(const AV1_COMP *cpi, + const MACROBLOCKD *xd, + const struct buf_2d *ref, + BLOCK_SIZE bsize, int plane, + int use_hbd); + +unsigned int av1_get_perpixel_variance_facade(const struct AV1_COMP *cpi, + const MACROBLOCKD *xd, + const struct buf_2d *ref, + BLOCK_SIZE bsize, int plane); + +static INLINE int is_mode_intra(PREDICTION_MODE mode) { + return mode < INTRA_MODE_END; +} + +// This function will copy usable ref_mv_stack[ref_frame][4] and +// weight[ref_frame][4] information from ref_mv_stack[ref_frame][8] and +// weight[ref_frame][8]. +static INLINE void av1_copy_usable_ref_mv_stack_and_weight( + const MACROBLOCKD *xd, MB_MODE_INFO_EXT *const mbmi_ext, + MV_REFERENCE_FRAME ref_frame) { + memcpy(mbmi_ext->weight[ref_frame], xd->weight[ref_frame], + USABLE_REF_MV_STACK_SIZE * sizeof(xd->weight[0][0])); + memcpy(mbmi_ext->ref_mv_stack[ref_frame], xd->ref_mv_stack[ref_frame], + USABLE_REF_MV_STACK_SIZE * sizeof(xd->ref_mv_stack[0][0])); +} + +// Get transform rd gate level for the given transform search case. +static INLINE int get_txfm_rd_gate_level( + const int is_masked_compound_enabled, + const int txfm_rd_gate_level[TX_SEARCH_CASES], BLOCK_SIZE bsize, + TX_SEARCH_CASE tx_search_case, int eval_motion_mode) { + assert(tx_search_case < TX_SEARCH_CASES); + if (tx_search_case == TX_SEARCH_MOTION_MODE && !eval_motion_mode && + num_pels_log2_lookup[bsize] > 8) + return txfm_rd_gate_level[TX_SEARCH_MOTION_MODE]; + // Enable aggressive gating of transform search only when masked compound type + // is enabled. + else if (tx_search_case == TX_SEARCH_COMP_TYPE_MODE && + is_masked_compound_enabled) + return txfm_rd_gate_level[TX_SEARCH_COMP_TYPE_MODE]; + + return txfm_rd_gate_level[TX_SEARCH_DEFAULT]; +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AV1_ENCODER_RDOPT_UTILS_H_ |