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Fix MV search bugs.

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- Calculate motion vector from the source instead of origo.

- Don't return without searching deeper.
This commit is contained in:
Ari Koivula 2013-09-16 18:58:28 +03:00
parent 48c2dc4cd9
commit fa0bab47f9
2 changed files with 19 additions and 15 deletions
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2
src/global.h
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@ -47,7 +47,7 @@
#define MIN(a,b) (((a)<(b))?(a):(b))
#define CLIP(low,high,value) MAX((low),MIN((high),(value)))
#define SWAP(a,b,swaptype) { swaptype tempval; tempval = a; a = b; b = tempval; }
#define LCU_WIDTH_FROM_DEPTH(depth) (LCU_WIDTH >> depth)
#define CU_WIDTH_FROM_DEPTH(depth) (LCU_WIDTH >> depth)
#define VERSION_STRING "0.2 "
#define VERSION 0.2

32
src/search.c
View file

@ -34,26 +34,30 @@
* ref_data: picture color data starting from the beginning of reference pic.
* cur_cu:
*/
void search_motion_vector(picture *pic, uint8_t *pic_data, uint8_t *ref_data, CU_info *cur_cu, unsigned step, int x, int y)
void search_motion_vector(picture *pic, uint8_t *pic_data, uint8_t *ref_data, CU_info *cur_cu, unsigned step, int orig_x, int orig_y, int x, int y, unsigned depth)
{
// TODO: Inter: Handle non-square blocks.
unsigned block_width = LCU_WIDTH_FROM_DEPTH(cur_cu->depth);
unsigned block_width = CU_WIDTH_FROM_DEPTH(depth);
unsigned block_height = block_width;
unsigned cost;
// TODO: Inter: Calculating error outside picture borders.
// This prevents choosing vectors that need interpolating of borders to work.
if (x < 0 || y < 0 || x < pic->width - LCU_WIDTH || pic->height - LCU_WIDTH) return;
if (orig_x + x < 0 || orig_y + y < 0 || orig_x + x > pic->width - block_width || orig_y + y > pic->height - block_height) return;
cur_cu->inter.mv[0] = x;
cur_cu->inter.mv[1] = y;
cur_cu->inter.cost = SAD(pic_data, &ref_data[y * pic->width + x], block_width, block_height, pic->width);
cost = SAD(pic_data, &ref_data[(orig_y + y) * pic->width + (orig_x + x)], block_width, block_height, pic->width) + 1;
if (cost < cur_cu->inter.cost) {
cur_cu->inter.cost = cost;
cur_cu->inter.mv[0] = x << 2;
cur_cu->inter.mv[1] = y << 2;
}
step /= 2;
if (step > 0) {
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, x, y - step);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, x - step, y);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, x + step, y);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, x, y + step);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, orig_x, orig_y, x, y - step, depth);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, orig_x, orig_y, x - step, y, depth);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, orig_x, orig_y, x + step, y, depth);
search_motion_vector(pic, pic_data, ref_data, cur_cu, step, orig_x, orig_y, x, y + step, depth);
}
}
@ -185,7 +189,6 @@ void search_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t d
}
}
cur_CU->inter.cost = 0;
/* INTER SEARCH */
if(encoder->in.cur_pic->slicetype != SLICE_I)// && (xCtb == 0) && yCtb == 0)
{
@ -200,18 +203,19 @@ void search_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t d
{
unsigned mv[2] = { 0, 0 }; // TODO: Take initial MV from adjacent blocks.
picture *cur_pic = encoder->in.cur_pic;
uint8_t *cur_data = &cur_pic->yData[(mv[1] * cur_pic->width) + mv[0]];
picture *ref_pic = encoder->ref->pics[0];
search_motion_vector(cur_pic, cur_data, ref_pic->yData, cur_CU, cur_pic->width >> 1, mv[0], mv[1]);
int x = xCtb * CU_MIN_SIZE_PIXELS;
int y = yCtb * CU_MIN_SIZE_PIXELS;
uint8_t *cur_data = &cur_pic->yData[(y * cur_pic->width) + x];
search_motion_vector(cur_pic, cur_data, ref_pic->yData, cur_CU, 8, x, y, 0, 0, depth);
}
cur_CU->type = CU_INTER;
cur_CU->inter.mv_dir = 1;
inter_setBlockMode(encoder->in.cur_pic,xCtb,yCtb,depth,cur_CU);
}
return;
}
/* INTRA SEARCH */