94 строки
4.3 KiB
C
94 строки
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_MCOMP_H_
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#define VP9_ENCODER_VP9_MCOMP_H_
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#include "vp9/encoder/vp9_block.h"
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#include "vp9/encoder/vp9_variance.h"
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// The maximum number of steps in a step search given the largest
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// allowed initial step
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#define MAX_MVSEARCH_STEPS 11
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// Max full pel mv specified in 1 pel units
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#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1)
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// Maximum size of the first step in full pel units
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#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))
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void vp9_clamp_mv_min_max(MACROBLOCK *x, int_mv *ref_mv);
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int vp9_init_search_range(int width, int height);
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int vp9_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvjcost,
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int *mvcost[2], int weight, int ishp);
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void vp9_init_dsmotion_compensation(MACROBLOCK *x, int stride);
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void vp9_init3smotion_compensation(MACROBLOCK *x, int stride);
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// Runs sequence of diamond searches in smaller steps for RD
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struct VP9_COMP;
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int vp9_full_pixel_diamond(struct VP9_COMP *cpi, MACROBLOCK *x,
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int_mv *mvp_full, int step_param,
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int sadpb, int further_steps, int do_refine,
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vp9_variance_fn_ptr_t *fn_ptr,
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int_mv *ref_mv, int_mv *dst_mv);
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int vp9_hex_search(MACROBLOCK *x,
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int_mv *ref_mv, int_mv *best_mv,
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int search_param, int error_per_bit,
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const vp9_variance_fn_ptr_t *vf,
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int *mvjsadcost, int *mvsadcost[2],
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int *mvjcost, int *mvcost[2],
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int_mv *center_mv);
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typedef int (fractional_mv_step_fp) (MACROBLOCK *x, int_mv
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*bestmv, int_mv *ref_mv, int error_per_bit, const vp9_variance_fn_ptr_t *vfp,
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int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse);
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extern fractional_mv_step_fp vp9_find_best_sub_pixel_step_iteratively;
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extern fractional_mv_step_fp vp9_find_best_sub_pixel_step;
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extern fractional_mv_step_fp vp9_find_best_half_pixel_step;
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typedef int (*vp9_full_search_fn_t)(MACROBLOCK *x,
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int_mv *ref_mv, int sad_per_bit,
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int distance, vp9_variance_fn_ptr_t *fn_ptr,
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int *mvjcost, int *mvcost[2],
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int_mv *center_mv, int n);
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typedef int (*vp9_refining_search_fn_t)(MACROBLOCK *x,
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int_mv *ref_mv, int sad_per_bit,
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int distance,
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vp9_variance_fn_ptr_t *fn_ptr,
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int *mvjcost, int *mvcost[2],
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int_mv *center_mv);
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typedef int (*vp9_diamond_search_fn_t)(MACROBLOCK *x,
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int_mv *ref_mv, int_mv *best_mv,
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int search_param, int sad_per_bit,
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int *num00,
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vp9_variance_fn_ptr_t *fn_ptr,
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int *mvjcost, int *mvcost[2],
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int_mv *center_mv);
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int vp9_find_best_sub_pixel_comp(MACROBLOCK *x,
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int_mv *bestmv, int_mv *ref_mv,
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int error_per_bit,
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const vp9_variance_fn_ptr_t *vfp,
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int *mvjcost, int *mvcost[2],
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int *distortion, unsigned int *sse1,
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const uint8_t *second_pred,
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int w, int h);
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int vp9_refining_search_8p_c(MACROBLOCK *x,
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int_mv *ref_mv, int error_per_bit,
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int search_range, vp9_variance_fn_ptr_t *fn_ptr,
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int *mvjcost, int *mvcost[2],
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int_mv *center_mv, const uint8_t *second_pred,
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int w, int h);
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#endif // VP9_ENCODER_VP9_MCOMP_H_
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