Method UpdateFrameSync

Source/OpenNI/XnNodeWatcher.cpp:384–419

}

XnStatus GeneratorWatcher::UpdateFrameSync()
{
	// go over all nodes, and find the frame synced one
	Context context;
	m_generator.GetContext(context);
	
	NodeInfoList nodes;
	XnStatus nRetVal = context.EnumerateExistingNodes(nodes);
	XN_IS_STATUS_OK(nRetVal);

	for (NodeInfoList::Iterator it = nodes.Begin(); it != nodes.End(); ++it)
	{
		NodeInfo info = *it;
		// make sure this is a generator
		if (xnIsTypeDerivedFrom(info.GetDescription().Type, XN_NODE_TYPE_GENERATOR))
		{
			Generator otherGen;
			nRetVal = info.GetInstance(otherGen);
			XN_IS_STATUS_OK(nRetVal);

			if (m_generator.GetFrameSyncCap().IsFrameSyncedWith(otherGen))
			{
				nRetVal = NotifyStringPropChanged(XN_PROP_FRAME_SYNCED_WITH, otherGen.GetName());
				XN_IS_STATUS_OK(nRetVal);

				return XN_STATUS_OK;
			}
		}
	}

	// if we got here, we're not frame synced
	nRetVal = NotifyStringPropChanged(XN_PROP_FRAME_SYNCED_WITH, "");
	XN_IS_STATUS_OK(nRetVal);

	return XN_STATUS_OK;
}


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