shithub: dav1d

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Clamp bottom end of vertical tile length

Fixes #69.

--- a/src/decode.c

+++ b/src/decode.c

@@ -2652,8 +2652,10 @@

             // and post-filtering, so that the full process runs in-line, so

             // that frame threading is still possible

             for (int tile_row = 0; tile_row < f->frame_hdr.tiling.rows; tile_row++) {

+                const int sbh_end =

+                    imin(f->frame_hdr.tiling.row_start_sb[tile_row + 1], f->sbh);

                 for (int sby = f->frame_hdr.tiling.row_start_sb[tile_row];

-                     sby < f->frame_hdr.tiling.row_start_sb[tile_row + 1]; sby++)

+                     sby < sbh_end; sby++)

                 {

                     t->by = sby << (4 + f->seq_hdr.sb128);

                     for (int tile_col = 0; tile_col < f->frame_hdr.tiling.cols; tile_col++) {