obu: don't abort on unknown OBUs

The spec states that a decoder should instead ignore them. Otherwise, streams
compliant with an hypothetical future revision of the spec may be rejected when
backwards compatibility is expected.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/obu.c b/src/obu.c
index cf4e583..2767f55 100644
--- a/src/obu.c
+++ b/src/obu.c
@@ -1427,8 +1427,9 @@ int dav1d_parse_obus(Dav1dContext *const c, Dav1dData *const in, int global) {
         // ignore OBUs we don't care about
         break;
     default:
+        // print a warning but don't fail for unknown types
         dav1d_log(c, "Unknown OBU type %d of size %u\n", type, len);
-        return DAV1D_ERR(EINVAL);
+        break;
     }
 
     if (c->seq_hdr && c->frame_hdr) {