--- /dev/null
+diff -ru a/libavcodec/h263dec.c b/libavcodec/h263dec.c
+--- a/libavcodec/h263dec.c 2019-08-05 14:52:21.000000000 -0600
++++ b/libavcodec/h263dec.c 2019-08-08 18:20:39.255383087 -0600
+@@ -684,7 +684,7 @@
+ if (CONFIG_MPEG4_DECODER && avctx->codec_id == AV_CODEC_ID_MPEG4)
+ ff_mpeg4_frame_end(avctx, buf, buf_size);
+
+- if (!s->divx_packed && avctx->hwaccel)
++ if (s->divx_packed && avctx->hwaccel)
+ ff_thread_finish_setup(avctx);
+
+ av_assert1(s->current_picture.f->pict_type == s->current_picture_ptr->f->pict_type);