| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AOM_AV1_ENCODER_RD_H_ |
| #define AOM_AV1_ENCODER_RD_H_ |
| |
| #include <limits.h> |
| |
| #include "av1/common/blockd.h" |
| |
| #include "av1/encoder/block.h" |
| #include "av1/encoder/context_tree.h" |
| #include "av1/encoder/cost.h" |
| #include "av1/encoder/ratectrl.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define RDDIV_BITS 7 |
| #define RD_EPB_SHIFT 6 |
| |
| #define RDCOST(RM, R, D) \ |
| (ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT) + \ |
| ((D) * (1 << RDDIV_BITS))) |
| |
| #define RDCOST_NEG_R(RM, R, D) \ |
| (((D) * (1 << RDDIV_BITS)) - \ |
| ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT)) |
| |
| #define RDCOST_DBL_WITH_NATIVE_BD_DIST(RM, R, D, BD) \ |
| (((((double)(R)) * (RM)) / (double)(1 << AV1_PROB_COST_SHIFT)) + \ |
| ((double)((D) >> (2 * (BD - 8))) * (1 << RDDIV_BITS))) |
| |
| #define QIDX_SKIP_THRESH 115 |
| |
| #define MV_COST_WEIGHT 108 |
| #define MV_COST_WEIGHT_SUB 120 |
| |
| // The fractional part of rd_thresh factor is stored with 5 bits. The maximum |
| // factor that we allow is two, which is stored as 2 ** (5+1) = 64 |
| #define RD_THRESH_FAC_FRAC_BITS (5) |
| #define RD_THRESH_FAC_FRAC_VAL (1 << (RD_THRESH_FAC_FRAC_BITS)) |
| #define RD_THRESH_MAX_FACT ((RD_THRESH_FAC_FRAC_VAL) << 1) |
| #define RD_THRESH_LOG_DEC_FACTOR (4) |
| #define RD_THRESH_INC (1) |
| |
| // Factor to weigh the rate for switchable interp filters. |
| #define SWITCHABLE_INTERP_RATE_FACTOR 1 |
| |
| enum { |
| // Default initialization when we are not using winner mode framework. e.g. |
| // intrabc |
| DEFAULT_EVAL = 0, |
| // Initialization for selecting winner mode |
| MODE_EVAL, |
| // Initialization for winner mode evaluation |
| WINNER_MODE_EVAL, |
| // All mode evaluation types |
| MODE_EVAL_TYPES, |
| } UENUM1BYTE(MODE_EVAL_TYPE); |
| |
| typedef struct RD_OPT { |
| // Thresh_mult is used to set a threshold for the rd score. A higher value |
| // means that we will accept the best mode so far more often. This number |
| // is used in combination with the current block size, and thresh_freq_fact |
| // to pick a threshold. |
| int thresh_mult[MAX_MODES]; |
| |
| int threshes[MAX_SEGMENTS][BLOCK_SIZES_ALL][MAX_MODES]; |
| |
| int RDMULT; |
| |
| double r0; |
| } RD_OPT; |
| |
| static INLINE void av1_init_rd_stats(RD_STATS *rd_stats) { |
| #if CONFIG_RD_DEBUG |
| int plane; |
| #endif |
| rd_stats->rate = 0; |
| rd_stats->dist = 0; |
| rd_stats->rdcost = 0; |
| rd_stats->sse = 0; |
| rd_stats->skip_txfm = 1; |
| rd_stats->zero_rate = 0; |
| #if CONFIG_RD_DEBUG |
| // This may run into problems when monochrome video is |
| // encoded, as there will only be 1 plane |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| rd_stats->txb_coeff_cost[plane] = 0; |
| } |
| #endif |
| } |
| |
| static INLINE void av1_invalid_rd_stats(RD_STATS *rd_stats) { |
| #if CONFIG_RD_DEBUG |
| int plane; |
| #endif |
| rd_stats->rate = INT_MAX; |
| rd_stats->dist = INT64_MAX; |
| rd_stats->rdcost = INT64_MAX; |
| rd_stats->sse = INT64_MAX; |
| rd_stats->skip_txfm = 0; |
| rd_stats->zero_rate = 0; |
| #if CONFIG_RD_DEBUG |
| // This may run into problems when monochrome video is |
| // encoded, as there will only be 1 plane |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| rd_stats->txb_coeff_cost[plane] = INT_MAX; |
| } |
| #endif |
| } |
| |
| static INLINE void av1_merge_rd_stats(RD_STATS *rd_stats_dst, |
| const RD_STATS *rd_stats_src) { |
| if (rd_stats_dst->rate == INT_MAX || rd_stats_src->rate == INT_MAX) { |
| // If rd_stats_dst or rd_stats_src has invalid rate, we will make |
| // rd_stats_dst invalid. |
| av1_invalid_rd_stats(rd_stats_dst); |
| return; |
| } |
| rd_stats_dst->rate = (int)AOMMIN( |
| ((int64_t)rd_stats_dst->rate + (int64_t)rd_stats_src->rate), INT_MAX); |
| if (!rd_stats_dst->zero_rate) |
| rd_stats_dst->zero_rate = rd_stats_src->zero_rate; |
| rd_stats_dst->dist += rd_stats_src->dist; |
| rd_stats_dst->sse += rd_stats_src->sse; |
| rd_stats_dst->skip_txfm &= rd_stats_src->skip_txfm; |
| #if CONFIG_RD_DEBUG |
| // This may run into problems when monochrome video is |
| // encoded, as there will only be 1 plane |
| for (int plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| rd_stats_dst->txb_coeff_cost[plane] += rd_stats_src->txb_coeff_cost[plane]; |
| } |
| #endif |
| } |
| |
| static INLINE void av1_accumulate_rd_stats(RD_STATS *rd_stats, int64_t dist, |
| int rate, int skip_txfm, int64_t sse, |
| int zero_rate) { |
| assert(rd_stats->rate != INT_MAX && rate != INT_MAX); |
| rd_stats->rate += rate; |
| if (!rd_stats->zero_rate) rd_stats->zero_rate = zero_rate; |
| rd_stats->dist += dist; |
| rd_stats->skip_txfm &= skip_txfm; |
| rd_stats->sse += sse; |
| } |
| |
| static INLINE int64_t av1_calculate_rd_cost(int mult, int rate, int64_t dist) { |
| assert(mult >= 0); |
| if (rate >= 0) { |
| return RDCOST(mult, rate, dist); |
| } |
| return RDCOST_NEG_R(mult, -rate, dist); |
| } |
| |
| static INLINE void av1_rd_cost_update(int mult, RD_STATS *rd_cost) { |
| if (rd_cost->rate < INT_MAX && rd_cost->dist < INT64_MAX && |
| rd_cost->rdcost < INT64_MAX) { |
| rd_cost->rdcost = av1_calculate_rd_cost(mult, rd_cost->rate, rd_cost->dist); |
| } else { |
| av1_invalid_rd_stats(rd_cost); |
| } |
| } |
| |
| static INLINE void av1_rd_stats_subtraction(int mult, |
| const RD_STATS *const left, |
| const RD_STATS *const right, |
| RD_STATS *result) { |
| if (left->rate == INT_MAX || right->rate == INT_MAX || |
| left->dist == INT64_MAX || right->dist == INT64_MAX || |
| left->rdcost == INT64_MAX || right->rdcost == INT64_MAX) { |
| av1_invalid_rd_stats(result); |
| } else { |
| result->rate = left->rate - right->rate; |
| result->dist = left->dist - right->dist; |
| result->rdcost = av1_calculate_rd_cost(mult, result->rate, result->dist); |
| } |
| } |
| |
| struct TileInfo; |
| struct TileDataEnc; |
| struct AV1_COMP; |
| struct macroblock; |
| |
| /*!\brief Compute rdmult based on q index and frame update type |
| * |
| * \param[in] bit_depth bit depth |
| * \param[in] update_type frame update type |
| * \param[in] qindex q index |
| * |
| * \return rdmult |
| */ |
| int av1_compute_rd_mult_based_on_qindex(aom_bit_depth_t bit_depth, |
| FRAME_UPDATE_TYPE update_type, |
| int qindex); |
| |
| int av1_compute_rd_mult(const struct AV1_COMP *cpi, int qindex); |
| |
| void av1_initialize_rd_consts(struct AV1_COMP *cpi); |
| |
| // Sets the multiplier to convert mv cost to l1 error during motion search. |
| void av1_set_sad_per_bit(const struct AV1_COMP *cpi, int *sadperbit, |
| int qindex); |
| |
| void av1_model_rd_from_var_lapndz(int64_t var, unsigned int n, |
| unsigned int qstep, int *rate, int64_t *dist); |
| |
| void av1_model_rd_curvfit(BLOCK_SIZE bsize, double sse_norm, double xqr, |
| double *rate_f, double *distbysse_f); |
| void av1_model_rd_surffit(BLOCK_SIZE bsize, double sse_norm, double xm, |
| double yl, double *rate_f, double *distbysse_f); |
| |
| int av1_get_switchable_rate(const MACROBLOCK *x, const MACROBLOCKD *xd, |
| InterpFilter interp_filter, int dual_filter); |
| |
| YV12_BUFFER_CONFIG *av1_get_scaled_ref_frame(const struct AV1_COMP *cpi, |
| int ref_frame); |
| |
| void av1_init_me_luts(void); |
| |
| void av1_set_mvcost(MACROBLOCK *x, int ref, int ref_mv_idx); |
| |
| void av1_get_entropy_contexts(BLOCK_SIZE plane_bsize, |
| const struct macroblockd_plane *pd, |
| ENTROPY_CONTEXT t_above[MAX_MIB_SIZE], |
| ENTROPY_CONTEXT t_left[MAX_MIB_SIZE]); |
| |
| void av1_set_rd_speed_thresholds(struct AV1_COMP *cpi); |
| |
| void av1_update_rd_thresh_fact(const AV1_COMMON *const cm, |
| int (*fact)[MAX_MODES], int rd_thresh, |
| BLOCK_SIZE bsize, THR_MODES best_mode_index, |
| THR_MODES inter_mode_start, |
| THR_MODES inter_mode_end, |
| THR_MODES intra_mode_start, |
| THR_MODES intra_mode_end); |
| |
| static INLINE void reset_thresh_freq_fact(MACROBLOCK *const x) { |
| for (int i = 0; i < BLOCK_SIZES_ALL; ++i) { |
| for (int j = 0; j < MAX_MODES; ++j) { |
| x->thresh_freq_fact[i][j] = RD_THRESH_FAC_FRAC_VAL; |
| } |
| } |
| } |
| |
| static INLINE int rd_less_than_thresh(int64_t best_rd, int64_t thresh, |
| int thresh_fact) { |
| return best_rd < (thresh * thresh_fact >> 5) || thresh == INT_MAX; |
| } |
| |
| void av1_mv_pred(const struct AV1_COMP *cpi, MACROBLOCK *x, |
| uint8_t *ref_y_buffer, int ref_y_stride, int ref_frame, |
| BLOCK_SIZE block_size); |
| |
| // Sets the multiplier to convert mv cost to l2 error during motion search. |
| static INLINE void av1_set_error_per_bit(int *errorperbit, int rdmult) { |
| *errorperbit = AOMMAX(rdmult >> RD_EPB_SHIFT, 1); |
| } |
| |
| // Get the threshold for R-D optimization of coefficients depending upon mode |
| // decision/winner mode processing |
| static INLINE void get_rd_opt_coeff_thresh( |
| const uint32_t (*const coeff_opt_threshold)[2], |
| TxfmSearchParams *txfm_params, int enable_winner_mode_for_coeff_opt, |
| int is_winner_mode) { |
| if (!enable_winner_mode_for_coeff_opt) { |
| // Default initialization of threshold |
| txfm_params->coeff_opt_thresholds[0] = coeff_opt_threshold[DEFAULT_EVAL][0]; |
| txfm_params->coeff_opt_thresholds[1] = coeff_opt_threshold[DEFAULT_EVAL][1]; |
| return; |
| } |
| // TODO(any): Experiment with coeff_opt_dist_threshold values when |
| // enable_winner_mode_for_coeff_opt is ON |
| // TODO(any): Skip the winner mode processing for blocks with lower residual |
| // energy as R-D optimization of coefficients would have been enabled during |
| // mode decision |
| |
| // Use conservative threshold during mode decision and perform R-D |
| // optimization of coeffs always for winner modes |
| if (is_winner_mode) { |
| txfm_params->coeff_opt_thresholds[0] = |
| coeff_opt_threshold[WINNER_MODE_EVAL][0]; |
| txfm_params->coeff_opt_thresholds[1] = |
| coeff_opt_threshold[WINNER_MODE_EVAL][1]; |
| } else { |
| txfm_params->coeff_opt_thresholds[0] = coeff_opt_threshold[MODE_EVAL][0]; |
| txfm_params->coeff_opt_thresholds[1] = coeff_opt_threshold[MODE_EVAL][1]; |
| } |
| } |
| |
| // Used to reset the state of tx/mb rd hash information |
| static INLINE void reset_hash_records(TxfmSearchInfo *const txfm_info) { |
| if (!txfm_info->txb_rd_records) return; |
| |
| // Reset the state for use_mb_rd_hash |
| txfm_info->txb_rd_records->mb_rd_record.num = |
| txfm_info->txb_rd_records->mb_rd_record.index_start = 0; |
| } |
| |
| void av1_setup_pred_block(const MACROBLOCKD *xd, |
| struct buf_2d dst[MAX_MB_PLANE], |
| const YV12_BUFFER_CONFIG *src, |
| const struct scale_factors *scale, |
| const struct scale_factors *scale_uv, |
| const int num_planes); |
| |
| int av1_get_intra_cost_penalty(int qindex, int qdelta, |
| aom_bit_depth_t bit_depth); |
| |
| void av1_fill_mode_rates(AV1_COMMON *const cm, ModeCosts *mode_costs, |
| FRAME_CONTEXT *fc); |
| |
| void av1_fill_lr_rates(ModeCosts *mode_costs, FRAME_CONTEXT *fc); |
| |
| void av1_fill_coeff_costs(CoeffCosts *coeff_costs, FRAME_CONTEXT *fc, |
| const int num_planes); |
| |
| void av1_fill_mv_costs(const nmv_context *nmvc, int integer_mv, int usehp, |
| MvCosts *mv_costs); |
| |
| void av1_fill_dv_costs(const nmv_context *ndvc, IntraBCMVCosts *dv_costs); |
| |
| int av1_get_adaptive_rdmult(const struct AV1_COMP *cpi, double beta); |
| |
| int av1_get_deltaq_offset(aom_bit_depth_t bit_depth, int qindex, double beta); |
| |
| /*!\brief Adjust current superblock's q_index based on delta q resolution |
| * |
| * \param[in] delta_q_res delta q resolution |
| * \param[in] prev_qindex previous superblock's q index |
| * \param[in] curr_qindex current superblock's q index |
| * |
| * \return the current superblock's adjusted q_index |
| */ |
| int av1_adjust_q_from_delta_q_res(int delta_q_res, int prev_qindex, |
| int curr_qindex); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_RD_H_ |