Commit 3de5353c authored by Jingning Han's avatar Jingning Han

Constrain hash table access within tile boundary

Limit the prediction residual hash table access within the same
tile. This resolves a data race issue across tiles in multi-threading
encoding that triggers instable encoding results.

BUG=aomedia:1088

Change-Id: Ia4a415a0750bd60ee8ac4e56aa1cd39ec99e19c7
parent a8474b61
......@@ -4884,8 +4884,10 @@ static void select_tx_type_yrd(const AV1_COMP *cpi, MACROBLOCK *x,
TX_SIZE min_tx_size = sub_tx_size_map[max_txsize_rect_lookup[bsize]];
const TxSetType tx_set_type = get_ext_tx_set_type(
min_tx_size, bsize, is_inter, cm->reduced_tx_set_used);
int within_border = (mi_row + mi_size_high[bsize] <= cm->mi_rows) &&
(mi_col + mi_size_wide[bsize] <= cm->mi_cols);
int within_border = mi_row >= xd->tile.mi_row_start &&
(mi_row + mi_size_high[bsize] < xd->tile.mi_row_end) &&
mi_col >= xd->tile.mi_col_start &&
(mi_col + mi_size_wide[bsize] < xd->tile.mi_col_end);
av1_invalid_rd_stats(rd_stats);
......
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