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Fixed CU array calculations in inter_get_spatial_merge_candidates()

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This commit is contained in:
Marko Viitanen 2014-03-03 16:25:33 +02:00
parent 17b256b5e3
commit 09d4b47395
1 changed files with 7 additions and 6 deletions
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13
src/inter.c
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@ -283,14 +283,14 @@ void inter_get_spatial_merge_candidates(int32_t x, int32_t y, int8_t depth, cu_i
*/
int32_t x_cu = (x & LCU_WIDTH-1) >> MAX_DEPTH; //!< coordinates from top-left of this LCU
int32_t y_cu = (y & LCU_WIDTH-1) >> MAX_DEPTH;
cu_info* cu = &lcu->cu[LCU_CU_OFFSET];
// A0 and A1 availability testing
if (x != 0) {
*a1 = &lcu->cu[x_cu - 1 + (y_cu + cur_block_in_scu - 1) * LCU_T_CU_WIDTH];
*a1 = &cu[x_cu - 1 + (y_cu + cur_block_in_scu - 1) * LCU_T_CU_WIDTH];
if (!(*a1)->coded) *a1 = NULL;
if (y_cu + cur_block_in_scu < LCU_WIDTH>>3) {
*a0 = &lcu->cu[x_cu - 1 + (y_cu + cur_block_in_scu) * LCU_T_CU_WIDTH];
*a0 = &cu[x_cu - 1 + (y_cu + cur_block_in_scu) * LCU_T_CU_WIDTH];
if (!(*a0)->coded) *a0 = NULL;
}
}
@ -298,16 +298,17 @@ void inter_get_spatial_merge_candidates(int32_t x, int32_t y, int8_t depth, cu_i
// B0, B1 and B2 availability testing
if (y != 0) {
if (x_cu + cur_block_in_scu < LCU_WIDTH>>3) {
*b0 = &lcu->cu[x_cu + cur_block_in_scu + (y_cu - 1) * LCU_T_CU_WIDTH];
*b0 = &cu[x_cu + cur_block_in_scu + (y_cu - 1) * LCU_T_CU_WIDTH];
} else {
// Special case, top-right cu from LCU is the last in lcu->cu array
*b0 = &lcu->cu[LCU_T_CU_WIDTH*LCU_T_CU_WIDTH];
}
if (!(*b0)->coded) *b0 = NULL;
*b1 = &lcu->cu[x_cu + cur_block_in_scu - 1 + (y_cu - 1) * LCU_T_CU_WIDTH];
*b1 = &cu[x_cu + cur_block_in_scu - 1 + (y_cu - 1) * LCU_T_CU_WIDTH];
if (!(*b1)->coded) *b1 = NULL;
if (x_cu != 0) {
*b2 = &lcu->cu[x_cu - 1 + (y_cu - 1) * LCU_T_CU_WIDTH];
*b2 = &cu[x_cu - 1 + (y_cu - 1) * LCU_T_CU_WIDTH];
if(!(*b2)->coded) *b2 = NULL;
}
}