shithub: dav1d

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Disable warped motion for invalid warped global motion parameters

But don't abort decoding; instead, simply force translational motion.

--- a/src/obu.c

+++ b/src/obu.c

@@ -893,7 +893,7 @@

             mat[1] = dav1d_get_bits_subexp(gb, ref_mat[1] >> shift, bits) * (1 << shift);

             if (dav1d_get_shear_params(&hdr->gmv[i]))

-                goto error;

+                hdr->gmv[i].type = WM_TYPE_TRANSLATION;

         }

     }

 #if DEBUG_FRAME_HDR