166 lines
4.3 KiB
C
166 lines
4.3 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_VP9_RD_H_
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#define VP9_ENCODER_VP9_RD_H_
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#include <limits.h>
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#include "vp9/common/vp9_blockd.h"
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#include "vp9/encoder/vp9_block.h"
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#include "vp9/encoder/vp9_context_tree.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RDDIV_BITS 7
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#define RDCOST(RM, DM, R, D) \
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(((128 + ((int64_t)R) * (RM)) >> 8) + (D << DM))
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#define QIDX_SKIP_THRESH 115
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#define MV_COST_WEIGHT 108
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#define MV_COST_WEIGHT_SUB 120
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#define INVALID_MV 0x80008000
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#define MAX_MODES 30
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#define MAX_REFS 6
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// This enumerator type needs to be kept aligned with the mode order in
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// const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
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typedef enum {
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THR_NEARESTMV,
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THR_NEARESTA,
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THR_NEARESTG,
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THR_DC,
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THR_NEWMV,
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THR_NEWA,
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THR_NEWG,
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THR_NEARMV,
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THR_NEARA,
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THR_COMP_NEARESTLA,
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THR_COMP_NEARESTGA,
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THR_TM,
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THR_COMP_NEARLA,
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THR_COMP_NEWLA,
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THR_NEARG,
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THR_COMP_NEARGA,
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THR_COMP_NEWGA,
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THR_ZEROMV,
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THR_ZEROG,
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THR_ZEROA,
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THR_COMP_ZEROLA,
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THR_COMP_ZEROGA,
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THR_H_PRED,
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THR_V_PRED,
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THR_D135_PRED,
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THR_D207_PRED,
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THR_D153_PRED,
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THR_D63_PRED,
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THR_D117_PRED,
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THR_D45_PRED,
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} THR_MODES;
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typedef enum {
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THR_LAST,
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THR_GOLD,
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THR_ALTR,
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THR_COMP_LA,
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THR_COMP_GA,
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THR_INTRA,
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} THR_MODES_SUB8X8;
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typedef struct RD_OPT {
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// Thresh_mult is used to set a threshold for the rd score. A higher value
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// means that we will accept the best mode so far more often. This number
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// is used in combination with the current block size, and thresh_freq_fact
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// to pick a threshold.
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int thresh_mult[MAX_MODES];
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int thresh_mult_sub8x8[MAX_REFS];
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int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
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int thresh_freq_fact[BLOCK_SIZES][MAX_MODES];
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int64_t comp_pred_diff[REFERENCE_MODES];
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int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
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int64_t tx_select_diff[TX_MODES];
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// TODO(agrange): can this overflow?
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int tx_select_threshes[MAX_REF_FRAMES][TX_MODES];
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int64_t filter_diff[SWITCHABLE_FILTER_CONTEXTS];
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int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
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int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS];
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int64_t mask_filter;
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int RDMULT;
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int RDDIV;
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} RD_OPT;
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struct TileInfo;
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struct VP9_COMP;
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struct macroblock;
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int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
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void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
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void vp9_initialize_me_consts(struct VP9_COMP *cpi, int qindex);
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void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
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unsigned int qstep, int *rate,
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int64_t *dist);
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int vp9_get_switchable_rate(const struct VP9_COMP *cpi);
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const YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
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int ref_frame);
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void vp9_init_me_luts();
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void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
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const struct macroblockd_plane *pd,
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ENTROPY_CONTEXT t_above[16],
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ENTROPY_CONTEXT t_left[16]);
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void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
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void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
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static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
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int thresh_fact) {
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return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX;
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}
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void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x,
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uint8_t *ref_y_buffer, int ref_y_stride,
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int ref_frame, BLOCK_SIZE block_size);
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void vp9_setup_pred_block(const MACROBLOCKD *xd,
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struct buf_2d dst[MAX_MB_PLANE],
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const YV12_BUFFER_CONFIG *src,
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int mi_row, int mi_col,
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const struct scale_factors *scale,
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const struct scale_factors *scale_uv);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_VP9_RD_H_
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