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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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trav90
Roy Tam
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989 changed files with 470949 additions and 0 deletions
163
third_party/aom/av1/encoder/mcomp.h
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third_party/aom/av1/encoder/mcomp.h
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/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AV1_ENCODER_MCOMP_H_
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#define AV1_ENCODER_MCOMP_H_
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#include "av1/encoder/block.h"
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#include "aom_dsp/variance.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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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 the unit of full pixel
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// Enable the use of motion vector in range [-1023, 1023].
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#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 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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// Allowed motion vector pixel distance outside image border
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// for Block_16x16
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#define BORDER_MV_PIXELS_B16 (16 + AOM_INTERP_EXTEND)
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// motion search site
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typedef struct search_site {
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MV mv;
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int offset;
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} search_site;
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typedef struct search_site_config {
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search_site ss[8 * MAX_MVSEARCH_STEPS + 1];
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int ss_count;
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int searches_per_step;
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} search_site_config;
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void av1_init_dsmotion_compensation(search_site_config *cfg, int stride);
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void av1_init3smotion_compensation(search_site_config *cfg, int stride);
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void av1_set_mv_search_range(MvLimits *mv_limits, const MV *mv);
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int av1_mv_bit_cost(const MV *mv, const MV *ref, const int *mvjcost,
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int *mvcost[2], int weight);
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// Utility to compute variance + MV rate cost for a given MV
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int av1_get_mvpred_var(const MACROBLOCK *x, const MV *best_mv,
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const MV *center_mv, const aom_variance_fn_ptr_t *vfp,
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int use_mvcost);
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int av1_get_mvpred_av_var(const MACROBLOCK *x, const MV *best_mv,
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const MV *center_mv, const uint8_t *second_pred,
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const aom_variance_fn_ptr_t *vfp, int use_mvcost);
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struct AV1_COMP;
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struct SPEED_FEATURES;
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int av1_init_search_range(int size);
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int av1_refining_search_sad(struct macroblock *x, struct mv *ref_mv,
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int sad_per_bit, int distance,
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const aom_variance_fn_ptr_t *fn_ptr,
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const struct mv *center_mv);
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// Runs sequence of diamond searches in smaller steps for RD.
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int av1_full_pixel_diamond(const struct AV1_COMP *cpi, MACROBLOCK *x,
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MV *mvp_full, int step_param, int sadpb,
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int further_steps, int do_refine, int *cost_list,
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const aom_variance_fn_ptr_t *fn_ptr,
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const MV *ref_mv, MV *dst_mv);
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// Perform integral projection based motion estimation.
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unsigned int av1_int_pro_motion_estimation(const struct AV1_COMP *cpi,
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MACROBLOCK *x, BLOCK_SIZE bsize,
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int mi_row, int mi_col);
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int av1_hex_search(MACROBLOCK *x, MV *start_mv, int search_param,
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int sad_per_bit, int do_init_search, int *cost_list,
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const aom_variance_fn_ptr_t *vfp, int use_mvcost,
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const MV *center_mv);
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typedef int(fractional_mv_step_fp)(
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MACROBLOCK *x, const MV *ref_mv, int allow_hp, int error_per_bit,
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const aom_variance_fn_ptr_t *vfp,
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int forced_stop, // 0 - full, 1 - qtr only, 2 - half only
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int iters_per_step, int *cost_list, int *mvjcost, int *mvcost[2],
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int *distortion, unsigned int *sse1, const uint8_t *second_pred, int w,
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int h, int use_upsampled_ref);
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extern fractional_mv_step_fp av1_find_best_sub_pixel_tree;
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extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned;
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extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_more;
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extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_evenmore;
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extern fractional_mv_step_fp av1_return_max_sub_pixel_mv;
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extern fractional_mv_step_fp av1_return_min_sub_pixel_mv;
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typedef int (*av1_full_search_fn_t)(const MACROBLOCK *x, const MV *ref_mv,
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int sad_per_bit, int distance,
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const aom_variance_fn_ptr_t *fn_ptr,
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const MV *center_mv, MV *best_mv);
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typedef int (*av1_diamond_search_fn_t)(
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MACROBLOCK *x, const search_site_config *cfg, MV *ref_mv, MV *best_mv,
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int search_param, int sad_per_bit, int *num00,
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const aom_variance_fn_ptr_t *fn_ptr, const MV *center_mv);
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int av1_refining_search_8p_c(MACROBLOCK *x, int error_per_bit, int search_range,
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const aom_variance_fn_ptr_t *fn_ptr,
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const MV *center_mv, const uint8_t *second_pred);
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struct AV1_COMP;
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int av1_full_pixel_search(const struct AV1_COMP *cpi, MACROBLOCK *x,
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BLOCK_SIZE bsize, MV *mvp_full, int step_param,
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int error_per_bit, int *cost_list, const MV *ref_mv,
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int var_max, int rd);
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#if CONFIG_EXT_INTER
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int av1_find_best_masked_sub_pixel_tree(
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const MACROBLOCK *x, const uint8_t *mask, int mask_stride, MV *bestmv,
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const MV *ref_mv, int allow_hp, int error_per_bit,
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const aom_variance_fn_ptr_t *vfp, int forced_stop, int iters_per_step,
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int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse1,
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int is_second);
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int av1_find_best_masked_sub_pixel_tree_up(
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const struct AV1_COMP *cpi, MACROBLOCK *x, const uint8_t *mask,
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int mask_stride, int mi_row, int mi_col, MV *bestmv, const MV *ref_mv,
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int allow_hp, int error_per_bit, const aom_variance_fn_ptr_t *vfp,
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int forced_stop, int iters_per_step, int *mvjcost, int *mvcost[2],
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int *distortion, unsigned int *sse1, int is_second, int use_upsampled_ref);
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int av1_masked_full_pixel_diamond(const struct AV1_COMP *cpi, MACROBLOCK *x,
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const uint8_t *mask, int mask_stride,
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MV *mvp_full, int step_param, int sadpb,
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int further_steps, int do_refine,
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const aom_variance_fn_ptr_t *fn_ptr,
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const MV *ref_mv, MV *dst_mv, int is_second);
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#endif // CONFIG_EXT_INTER
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#if CONFIG_MOTION_VAR
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int av1_obmc_full_pixel_diamond(const struct AV1_COMP *cpi, MACROBLOCK *x,
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MV *mvp_full, int step_param, int sadpb,
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int further_steps, int do_refine,
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const aom_variance_fn_ptr_t *fn_ptr,
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const MV *ref_mv, MV *dst_mv, int is_second);
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int av1_find_best_obmc_sub_pixel_tree_up(
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const struct AV1_COMP *cpi, MACROBLOCK *x, int mi_row, int mi_col,
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MV *bestmv, const MV *ref_mv, int allow_hp, int error_per_bit,
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const aom_variance_fn_ptr_t *vfp, int forced_stop, int iters_per_step,
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int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse1,
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int is_second, int use_upsampled_ref);
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#endif // CONFIG_MOTION_VAR
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AV1_ENCODER_MCOMP_H_
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