148 lines
5.3 KiB
C
148 lines
5.3 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_RDOPT_H_
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#define VP9_ENCODER_VP9_RDOPT_H_
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#include <limits.h>
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#include "vp9/encoder/vp9_encoder.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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struct TileInfo;
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int vp9_compute_rd_mult(const VP9_COMP *cpi, int qindex);
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void vp9_initialize_rd_consts(VP9_COMP *cpi);
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void vp9_initialize_me_consts(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 VP9_COMP *cpi);
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void vp9_setup_buffer_inter(VP9_COMP *cpi, MACROBLOCK *x,
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const TileInfo *const tile,
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MV_REFERENCE_FRAME ref_frame,
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BLOCK_SIZE block_size,
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int mi_row, int mi_col,
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int_mv frame_nearest_mv[MAX_REF_FRAMES],
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int_mv frame_near_mv[MAX_REF_FRAMES],
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struct buf_2d yv12_mb[4][MAX_MB_PLANE]);
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const YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const VP9_COMP *cpi,
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int ref_frame);
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void vp9_rd_pick_intra_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
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int *r, int64_t *d, BLOCK_SIZE bsize,
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PICK_MODE_CONTEXT *ctx, int64_t best_rd);
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int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
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const struct TileInfo *const tile,
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int mi_row, int mi_col,
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int *returnrate,
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int64_t *returndistortion,
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BLOCK_SIZE bsize,
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PICK_MODE_CONTEXT *ctx,
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int64_t best_rd_so_far);
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int64_t vp9_rd_pick_inter_mode_sub8x8(VP9_COMP *cpi, MACROBLOCK *x,
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const struct TileInfo *const tile,
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int mi_row, int mi_col,
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int *returnrate,
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int64_t *returndistortion,
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BLOCK_SIZE bsize,
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PICK_MODE_CONTEXT *ctx,
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int64_t best_rd_so_far);
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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(VP9_COMP *cpi);
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void vp9_set_rd_speed_thresholds_sub8x8(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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static INLINE int full_pixel_search(VP9_COMP *cpi, MACROBLOCK *x,
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BLOCK_SIZE bsize, MV *mvp_full,
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int step_param, int error_per_bit,
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const MV *ref_mv, MV *tmp_mv,
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int var_max, int rd) {
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const SPEED_FEATURES *const sf = &cpi->sf;
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const SEARCH_METHODS method = sf->search_method;
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vp9_variance_fn_ptr_t *fn_ptr = &cpi->fn_ptr[bsize];
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int var = 0;
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switch (method) {
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case FAST_DIAMOND:
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var = vp9_fast_dia_search(x, mvp_full, step_param, error_per_bit, 0,
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fn_ptr, 1, ref_mv, tmp_mv);
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break;
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case FAST_HEX:
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var = vp9_fast_hex_search(x, mvp_full, step_param, error_per_bit, 0,
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fn_ptr, 1, ref_mv, tmp_mv);
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break;
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case HEX:
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var = vp9_hex_search(x, mvp_full, step_param, error_per_bit, 1,
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fn_ptr, 1, ref_mv, tmp_mv);
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break;
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case SQUARE:
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var = vp9_square_search(x, mvp_full, step_param, error_per_bit, 1,
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fn_ptr, 1, ref_mv, tmp_mv);
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break;
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case BIGDIA:
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var = vp9_bigdia_search(x, mvp_full, step_param, error_per_bit, 1,
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fn_ptr, 1, ref_mv, tmp_mv);
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break;
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case NSTEP:
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var = vp9_full_pixel_diamond(cpi, x, mvp_full, step_param, error_per_bit,
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(sf->max_step_search_steps - 1) - step_param,
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1, fn_ptr, ref_mv, tmp_mv);
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break;
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default:
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assert(!"Invalid search method.");
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}
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if (method != NSTEP && rd && var < var_max)
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var = vp9_get_mvpred_var(x, tmp_mv, ref_mv, fn_ptr, 1);
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return var;
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}
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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_RDOPT_H_
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