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Add work_tree_copy_up.

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Ari Koivula 2014-02-26 15:09:18 +02:00
parent 1450d0edf8
commit 9faecd375a
1 changed files with 37 additions and 1 deletions
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38
src/search.c
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@ -318,13 +318,49 @@ static void search_inter(encoder_control *encoder, uint16_t x_ctb,
}
#define SUB_SCU_BIT_MASK (64 - 1)
#define SUB_SCU(xy) (xy & SUB_SCU_BIT_MASK)
#define LCU_CU_WIDTH 8
#define LCU_T_CU_WIDTH 9
/**
* Copy all non-reference CU data from depth+1 to depth.
*/
static void work_tree_copy_up(int x, int y, int depth, lcu_t work_tree[MAX_PU_DEPTH])
static void work_tree_copy_up(int x_px, int y_px, int depth, lcu_t work_tree[MAX_PU_DEPTH])
{
// Copy non-reference CUs.
{
const int x_cu = SUB_SCU(x_px) >> MAX_DEPTH;
const int y_cu = SUB_SCU(y_px) >> MAX_DEPTH;
const int width_cu = LCU_WIDTH >> MAX_DEPTH >> depth;
int x, y;
for (y = y_cu; y < y_cu + width_cu; ++y) {
for (x = x_cu; x < x_cu + width_cu; ++x) {
const cu_info *from_cu = &work_tree[depth + 1].cu[x + y * LCU_T_CU_WIDTH];
cu_info *to_cu = &work_tree[depth].cu[x + y * LCU_T_CU_WIDTH];
memcpy(to_cu, from_cu, sizeof(*to_cu));
}
}
}
// Copy reconstructed pixels.
{
const int x = SUB_SCU(x_px);
const int y = SUB_SCU(y_px);
const int width_px = LCU_WIDTH >> depth;
const int luma_index = x + y * LCU_WIDTH;
const int chroma_index = (x / 2) + (y / 2) * (LCU_WIDTH / 2);
lcu_yuv_t *from = &work_tree[depth + 1].rec;
lcu_yuv_t *to = &work_tree[depth].rec;
picture_blit_pixels(&from->y[luma_index], &to->y[luma_index],
width_px, width_px, LCU_WIDTH, LCU_WIDTH);
picture_blit_pixels(&from->u[chroma_index], &to->u[chroma_index],
width_px / 2, width_px / 2, LCU_WIDTH / 2, LCU_WIDTH / 2);
picture_blit_pixels(&from->v[chroma_index], &to->v[chroma_index],
width_px / 2, width_px / 2, LCU_WIDTH / 2, LCU_WIDTH / 2);
}
}