2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
16 #include "vp8/common/variance.h"
19 extern void init_mv_ref_counts();
20 extern void accum_mv_refs(MB_PREDICTION_MODE, const int near_mv_ref_cts[4]);
24 #define MAX_MVSEARCH_STEPS 8 // The maximum number of steps in a step search given the largest allowed initial step
25 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1) // Max full pel mv specified in 1 pel units
26 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1)) // Maximum size of the first step in full pel units
28 extern void print_mode_context(void);
29 extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);
30 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
31 extern void vp8_init3smotion_compensation(MACROBLOCK *x, int stride);
34 extern int vp8_hex_search
43 const vp8_variance_fn_ptr_t *vf,
49 typedef int (fractional_mv_step_fp)
50 (MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,
51 int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],
52 int *distortion, unsigned int *sse);
54 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
55 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
56 extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
57 extern fractional_mv_step_fp vp8_skip_fractional_mv_step;
59 typedef int (*vp8_full_search_fn_t)
67 vp8_variance_fn_ptr_t *fn_ptr,
72 typedef int (*vp8_refining_search_fn_t)
80 vp8_variance_fn_ptr_t *fn_ptr,
85 typedef int (*vp8_diamond_search_fn_t)
95 vp8_variance_fn_ptr_t *fn_ptr,