From 11d9abd2d5fdecff3f531e451cdac52f9e68e729 Mon Sep 17 00:00:00 2001 From: Edward Hervey Date: Wed, 23 Jun 2021 09:08:33 +0200 Subject: [PATCH] mxf: Demote error message when resolving valid empty reference A Source Clip can have zero'd SourcePackageID and SourceTrackID, this indicates it terminates the source reference chain Part-of: --- gst/mxf/mxfmetadata.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/gst/mxf/mxfmetadata.c b/gst/mxf/mxfmetadata.c index ca9ed75..ac147d5 100644 --- a/gst/mxf/mxfmetadata.c +++ b/gst/mxf/mxfmetadata.c @@ -3402,6 +3402,16 @@ mxf_metadata_source_clip_resolve (MXFMetadataBase * m, GHashTable * metadata) gchar str[96]; #endif + if (mxf_umid_is_zero (&self->source_package_id)) { + /* S377-1:2019 B.10 Source Clip. + * + * SourcePackageID: The value shall be 32 zero valued bytes to terminate the + * source reference chain. */ + GST_LOG ("Skipping termination source package for source clip %s", + mxf_uuid_to_string (&MXF_METADATA_BASE (self)->instance_uid, str)); + goto chain_up; + } + g_hash_table_iter_init (&iter, metadata); while (g_hash_table_iter_next (&iter, NULL, (gpointer) & current)) { @@ -3420,6 +3430,7 @@ mxf_metadata_source_clip_resolve (MXFMetadataBase * m, GHashTable * metadata) mxf_umid_to_string (&self->source_package_id, str)); } +chain_up: return MXF_METADATA_BASE_CLASS (mxf_metadata_source_clip_parent_class)->resolve (m, metadata); -- 2.7.4