The smallest block size of motion field is 4x4, but the mi_unit size is 8x8, therefore the number of units of motion field is "mi_rows * mi_cols * 4".
Unified · Split
| @@ -6436,15 +6436,17 @@ static void init_tpl_buffer(VP9_COMP *cpi) { · 6435 unmodified lines | ||
| 6436 | 6436 | // TODO(angiebird): This probably needs further modifications to support |
| 6437 | 6437 | // frame scaling later on. |
| 6438 | 6438 | if (cpi->feature_score_loc_alloc == 0) { |
| 6439 | + // The smallest block size of motion field is 4x4, but the mi_unit is 8x8, | |
| 6440 | + // therefore the number of units is "mi_rows * mi_cols * 4" here. | |
| 6439 | 6441 | CHECK_MEM_ERROR( |
| 6440 | 6442 | cm, cpi->feature_score_loc_arr, |
| 6441 | − vpx_calloc(mi_rows * mi_cols, sizeof(*cpi->feature_score_loc_arr))); | |
| 6442 | − CHECK_MEM_ERROR( | |
| 6443 | − cm, cpi->feature_score_loc_sort, | |
| 6444 | − vpx_calloc(mi_rows * mi_cols, sizeof(*cpi->feature_score_loc_sort))); | |
| 6445 | − CHECK_MEM_ERROR( | |
| 6446 | − cm, cpi->feature_score_loc_heap, | |
| 6447 | − vpx_calloc(mi_rows * mi_cols, sizeof(*cpi->feature_score_loc_heap))); | |
| 6443 | + vpx_calloc(mi_rows * mi_cols * 4, sizeof(*cpi->feature_score_loc_arr))); | |
| 6444 | + CHECK_MEM_ERROR(cm, cpi->feature_score_loc_sort, | |
| 6445 | + vpx_calloc(mi_rows * mi_cols * 4, | |
| 6446 | + sizeof(*cpi->feature_score_loc_sort))); | |
| 6447 | + CHECK_MEM_ERROR(cm, cpi->feature_score_loc_heap, | |
| 6448 | + vpx_calloc(mi_rows * mi_cols * 4, | |
| 6449 | + sizeof(*cpi->feature_score_loc_heap))); | |
| 6448 | 6450 | |
| 6449 | 6451 | cpi->feature_score_loc_alloc = 1; |
| 6450 | 6452 | } |