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Add a function for copying CU data from LCUs.

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Adds function kvz_cu_array_copy_from_lcu which CU info data from an
lcu_t structure to a cu_array_t structure.
This commit is contained in:
Arttu Ylä-Outinen 2016-01-12 08:00:14 +02:00
parent 2c85a00a55
commit 57a3d9b4b9
3 changed files with 28 additions and 14 deletions
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25
src/cu.c
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@ -200,3 +200,28 @@ void kvz_cu_array_copy(cu_array_t* dst, int dst_x, int dst_y,
dst_ptr += dst_stride;
}
}
/**
* \brief Copy an lcu to a cu array.
*
* All values are in luma pixels.
*
* \param dst destination array
* \param dst_x x-coordinate of the left edge of the copied area in dst
* \param dst_y y-coordinate of the top edge of the copied area in dst
* \param src source lcu
*/
void kvz_cu_array_copy_from_lcu(cu_array_t* dst, int dst_x, int dst_y, const lcu_t *src)
{
// Convert values from pixel coordinates to array indices.
const int dst_x_scu = dst_x >> 3;
const int dst_y_scu = dst_y >> 3;
const int dst_stride = dst->width >> 3;
for (int y = 0; y < LCU_CU_WIDTH; ++y) {
for (int x = 0; x < LCU_CU_WIDTH; ++x) {
const cu_info_t *from_cu = LCU_GET_CU(src, x, y);
cu_info_t *to_cu = &dst->data[dst_x_scu + x + (dst_y_scu + y) * dst_stride];
memcpy(to_cu, from_cu, sizeof(*to_cu));
}
}
}

2
src/cu.h
View file

@ -268,6 +268,8 @@ typedef struct {
cu_info_t cu[9*9+1];
} lcu_t;
void kvz_cu_array_copy_from_lcu(cu_array_t* dst, int dst_x, int dst_y, const lcu_t *src);
/**
* \brief Return pointer to a given CU.
*

15
src/search.c
View file

@ -883,20 +883,7 @@ static void init_lcu_t(const encoder_state_t * const state, const int x, const i
static void copy_lcu_to_cu_data(const encoder_state_t * const state, int x_px, int y_px, const lcu_t *lcu)
{
// Copy non-reference CUs to picture.
{
const int x_cu = x_px >> MAX_DEPTH;
const int y_cu = y_px >> MAX_DEPTH;
videoframe_t * const frame = state->tile->frame;
int x, y;
for (y = 0; y < LCU_CU_WIDTH; ++y) {
for (x = 0; x < LCU_CU_WIDTH; ++x) {
const cu_info_t *from_cu = LCU_GET_CU(lcu, x, y);
cu_info_t *to_cu = kvz_videoframe_get_cu(frame, x_cu + x, y_cu + y);
memcpy(to_cu, from_cu, sizeof(*to_cu));
}
}
}
kvz_cu_array_copy_from_lcu(state->tile->frame->cu_array, x_px, y_px, lcu);
// Copy pixels to picture.
{