shithub: dav1d

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Don't assume chroma subsampling in stride calculation

Fixes #252.

--- a/src/recon_tmpl.c

+++ b/src/recon_tmpl.c

@@ -1429,7 +1429,8 @@

                 if (b->inter_mode == GLOBALMV_GLOBALMV &&

                     imin(cbw4, cbh4) > 1 && f->gmv_warp_allowed[b->ref[i]])

                 {

-                    res = warp_affine(t, NULL, tmp[i], bw4 * 2, b_dim, 1 + pl,

+                    res = warp_affine(t, NULL, tmp[i], bw4 * 4 >> ss_hor,

+                                      b_dim, 1 + pl,

                                       refp, &f->frame_hdr->gmv[b->ref[i]]);

                     if (res) return res;

                 } else {