GetLiveNodeInfo
status_t GetLiveNodeInfo(const media_node& node,
status_t err = r->GetLiveNodeInfo(
err = r->GetLiveNodeInfo(m_node, &nInfo);
if (BMediaRoster::Roster()->GetLiveNodeInfo(node, &liveNodeInfo)
status_t GetLiveNodeInfo(const media_node& node,
status_t status = gNodeManager->GetLiveNodeInfo(request.node,