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 (xnGetNodeHandleByName(m_hPlayer->pContext, strNodeName, &playedNodeInfo.hNode) != XN_STATUS_OK)
{
XnStatus nRetVal = xnCreateMockNode(m_hPlayer->pContext, type, strNodeName, &playedNodeInfo.hNode);
XN_IS_STATUS_OK(nRetVal);
}
// lock it, so no one can change configuration (this is a file recording)
nRetVal = xnLockNodeForChanges(playedNodeInfo.hNode, &playedNodeInfo.hLock);
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_playedNodes.Set(strNodeName, playedNodeInfo);
XN_IS_STATUS_OK(nRetVal);
return XN_STATUS_OK;
}
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;
}
