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Add buffers and definitions for upcoming filtering

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Samples are to be filtered in separate blocks instead of
making one big picture with interpolated pixels
This commit is contained in:
Ari Lemmetti 2016-07-12 17:36:28 +03:00
parent 7afe7e963b
commit e9c3074d32
2 changed files with 41 additions and 0 deletions
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23
src/search_inter.c
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@ -1028,6 +1028,29 @@ static unsigned search_frac(encoder_state_t * const state,
kvz_pixel dst[(LCU_WIDTH+1) * (LCU_WIDTH+1) * 16];
kvz_pixel* dst_off = &dst[dst_stride*4+4];
// Buffers for interpolated fractional pixels one
// for each position excluding the integer position.
// Has one extra column on left and row on top because
// samples are used also from those integer pixels when
// searching positions to the left and up.
frac_search_block fracpel_blocks[15];
kvz_pixel *hpel_pos[8];
// Horizontal hpel positions
hpel_pos[0] = fracpel_blocks[HPEL_POS_HOR] + (LCU_WIDTH + 1);
hpel_pos[1] = fracpel_blocks[HPEL_POS_HOR] + (LCU_WIDTH + 1) + 1;
// Vertical hpel positions
hpel_pos[2] = fracpel_blocks[HPEL_POS_VER] + 1;
hpel_pos[3] = fracpel_blocks[HPEL_POS_VER] + (LCU_WIDTH + 1) + 1;
// Diagonal hpel positions
hpel_pos[4] = fracpel_blocks[HPEL_POS_DIA];
hpel_pos[5] = fracpel_blocks[HPEL_POS_DIA] + 1;
hpel_pos[6] = fracpel_blocks[HPEL_POS_DIA] + (LCU_WIDTH + 1);
hpel_pos[7] = fracpel_blocks[HPEL_POS_DIA] + (LCU_WIDTH + 1) + 1;
int fme_level = state->encoder_control->fme_level;
kvz_mvd_cost_func *calc_mvd = calc_mvd_cost;

18
src/search_inter.h
View file

@ -31,6 +31,24 @@
#include "global.h" // IWYU pragma: keep
#include "inter.h"
#define FILTER_SIZE 8
#define HALF_FILTER (FILTER_SIZE>>1)
// Maximum extra width a block needs to filter
// a fractional pixel with positive fractional mv.x and mv.y
#define KVZ_EXT_PADDING (FILTER_SIZE - 1)
// Maximum block width for extended block
#define KVZ_EXT_BLOCK_W (LCU_WIDTH + KVZ_EXT_PADDING)
typedef kvz_pixel frac_search_block[(LCU_WIDTH + 1) * (LCU_WIDTH + 1)];
enum hpel_position {
HPEL_POS_HOR = 0,
HPEL_POS_VER = 1,
HPEL_POS_DIA = 2
};
typedef int kvz_mvd_cost_func(encoder_state_t * const state,
int x, int y,
int mv_shift,