116 строки
2.8 KiB
C
116 строки
2.8 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 VP8_ENCODER_MCOMP_H_
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#define VP8_ENCODER_MCOMP_H_
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#include "block.h"
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#include "vpx_dsp/variance.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef VP8_ENTROPY_STATS
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extern void init_mv_ref_counts();
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extern void accum_mv_refs(MB_PREDICTION_MODE, const int near_mv_ref_cts[4]);
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#endif
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/* The maximum number of steps in a step search given the largest allowed
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* initial step
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*/
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#define MAX_MVSEARCH_STEPS 8
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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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extern void print_mode_context(void);
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extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);
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extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
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extern void vp8_init3smotion_compensation(MACROBLOCK *x, int stride);
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extern int vp8_hex_search
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(
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MACROBLOCK *x,
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BLOCK *b,
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BLOCKD *d,
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int_mv *ref_mv,
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int_mv *best_mv,
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int search_param,
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int error_per_bit,
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const vp8_variance_fn_ptr_t *vf,
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int *mvsadcost[2],
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int *mvcost[2],
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int_mv *center_mv
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);
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typedef int (fractional_mv_step_fp)
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(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,
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int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],
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int *distortion, unsigned int *sse);
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extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
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extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
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extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
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extern fractional_mv_step_fp vp8_skip_fractional_mv_step;
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typedef int (*vp8_full_search_fn_t)
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(
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MACROBLOCK *x,
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BLOCK *b,
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BLOCKD *d,
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int_mv *ref_mv,
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int sad_per_bit,
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int distance,
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vp8_variance_fn_ptr_t *fn_ptr,
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int *mvcost[2],
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int_mv *center_mv
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);
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typedef int (*vp8_refining_search_fn_t)
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(
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MACROBLOCK *x,
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BLOCK *b,
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BLOCKD *d,
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int_mv *ref_mv,
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int sad_per_bit,
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int distance,
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vp8_variance_fn_ptr_t *fn_ptr,
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int *mvcost[2],
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int_mv *center_mv
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);
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typedef int (*vp8_diamond_search_fn_t)
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(
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MACROBLOCK *x,
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BLOCK *b,
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BLOCKD *d,
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int_mv *ref_mv,
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int_mv *best_mv,
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int search_param,
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int sad_per_bit,
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int *num00,
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vp8_variance_fn_ptr_t *fn_ptr,
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int *mvcost[2],
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int_mv *center_mv
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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 // VP8_ENCODER_MCOMP_H_
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