Find the first GstReferenceTimestampMeta on buffer that conforms to reference. Conformance is tested by checking if the meta's reference is a subset of reference.
Buffers can contain multiple GstReferenceTimestampMeta metadata items.
a reference gstreamer.Caps
the GstReferenceTimestampMeta or NULL when there is no such metadata on buffer.
1.14
Find the first GstReferenceTimestampMeta on buffer that conforms to reference. Conformance is tested by checking if the meta's reference is a subset of reference.
Buffers can contain multiple GstReferenceTimestampMeta metadata items.