public Gst.ReferenceTimestampMeta AddReferenceTimestampMeta(Gst.Caps reference, ulong timestamp, ulong duration) { IntPtr raw_ret = gst_buffer_add_reference_timestamp_meta(Handle, reference == null ? IntPtr.Zero : reference.Handle, timestamp, duration); Gst.ReferenceTimestampMeta ret = Gst.ReferenceTimestampMeta.New(raw_ret); return(ret); }