shithub: dav1d

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Add tile constraint to loopfilter mask fix-up code

Fixes #92.

--- a/src/lf_apply.c

+++ b/src/lf_apply.c

@@ -163,7 +163,7 @@

     // fix lpf strength at tile col boundaries

     const uint8_t *lpf_y = &f->lf.tx_lpf_right_edge[0][sby << sbl2];

     const uint8_t *lpf_uv = &f->lf.tx_lpf_right_edge[1][sby << (sbl2 - ss_ver)];

-    for (int tile_col = 1;; tile_col++) {

+    for (int tile_col = 1; tile_col < f->frame_hdr.tiling.cols; tile_col++) {

         x = f->frame_hdr.tiling.col_start_sb[tile_col];

         if ((x << sbl2) >= f->bw) break;

         const int bx4 = x & is_sb64 ? 16 : 0, cbx4 = bx4 >> ss_hor;