Method AddNode

Source/OpenNI/XnPlayerImpl.cpp:483–527

}

XnStatus PlayerImpl::AddNode(const XnChar* strNodeName, XnProductionNodeType type, XnCodecID /*compression*/)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	PlayedNodeInfo playedNodeInfo = {0};

	if (m_playedNodes.Get(strNodeName, playedNodeInfo) == XN_STATUS_OK)
	{
		// already in the list, just return OK.
		return (XN_STATUS_OK);
	}

	// check if we need to create it (maybe it's a rewind...)
	if (xnGetRefNodeHandleByName(m_hPlayer->pContext, strNodeName, &playedNodeInfo.hNode) != XN_STATUS_OK)
	{
		XnStatus nRetVal = xnCreateMockNode(m_hPlayer->pContext, type, strNodeName, &playedNodeInfo.hNode);
		XN_IS_STATUS_OK(nRetVal);

		// mark this node as needed node. We need this in order to make sure if xnForceShutdown() is called,
		// the player will be destroyed *before* mock node is (so we can release it).
		nRetVal = xnAddNeededNode(m_hPlayer, playedNodeInfo.hNode);
		if (nRetVal != XN_STATUS_OK)
		{
			xnProductionNodeRelease(playedNodeInfo.hNode);
			return (nRetVal);
		}
	}

	// lock it, so no one can change configuration (this is a file recording)
	nRetVal = xnLockNodeForChanges(playedNodeInfo.hNode, &playedNodeInfo.hLock);
	if (nRetVal != XN_STATUS_OK)
	{
		xnProductionNodeRelease(playedNodeInfo.hNode);
		return (nRetVal);
	}

	nRetVal = m_playedNodes.Set(strNodeName, playedNodeInfo);
	if (nRetVal != XN_STATUS_OK)
	{
		xnProductionNodeRelease(playedNodeInfo.hNode);
		return (nRetVal);
	}

	return XN_STATUS_OK;
}

XnStatus PlayerImpl::RemoveNode(const XnChar* strNodeName)
{