- .read_probe = matroska_probe,
-@@ -4043,6 +4044,7 @@
- AVInputFormat ff_webm_dash_manifest_demuxer = {
- .name = "webm_dash_manifest",
- .long_name = NULL_IF_CONFIG_SMALL("WebM DASH Manifest"),
-+ .flags = AVFMT_SEEK_NOSTREAMS,
+ .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP,
+@@ -4806,6 +4807,7 @@
+ const FFInputFormat ff_matroska_demuxer = {
+ .p.name = "matroska,webm",
+ .p.long_name = NULL_IF_CONFIG_SMALL("Matroska / WebM"),
++ .p.flags = AVFMT_SEEK_NOSTREAMS,
+ .p.extensions = "mkv,mk3d,mka,mks,webm",
+ .p.mime_type = "audio/webm,audio/x-matroska,video/webm,video/x-matroska",