XnStatus PlayerImpl::SetNodeStateReady(const XnChar* strNodeName)
{
XnStatus nRetVal = XN_STATUS_OK;
PlayedNodeInfo playedNode;
nRetVal = m_playedNodes.Get(strNodeName, playedNode);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLockedNodeStartChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetIntProperty(playedNode.hNode, XN_PROP_STATE_READY, 1);
if (nRetVal != XN_STATUS_OK)
{
xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
return (nRetVal);
}
nRetVal = xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
//TODO: When we move the codec handling to PlayerImpl this notification will be more useful for PlayerImpl.
return (XN_STATUS_OK);
}
XnStatus xnConfigureNodeFromXml(XnNodeHandle hNode, const TiXmlElement* pNode)
{
XnStatus nRetVal = XN_STATUS_OK;
const TiXmlElement* pConfig = pNode->FirstChildElement("Configuration");
if (pConfig == NULL)
{
return (XN_STATUS_OK);
}
XnBool bLock = FALSE;
const XnChar* strLock = pConfig->Attribute("lock");
if (strLock != NULL)
{
xnXmlReadBoolAttribute(pConfig, "lock", &bLock);
}
XnLockHandle hLock = 0;
if (bLock)
{
nRetVal = xnLockNodeForChanges(hNode, &hLock);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLockedNodeStartChanges(hNode, hLock);
XN_IS_STATUS_OK(nRetVal);
}
const TiXmlElement* pOpcode = pConfig->FirstChildElement();
while (pOpcode != NULL)
{
nRetVal = xnConfigureSetOpcode(hNode, pOpcode);
XN_IS_STATUS_OK(nRetVal);
pOpcode = pOpcode->NextSiblingElement();
}
if (bLock)
{
nRetVal = xnLockedNodeEndChanges(hNode, hLock);
}
return (XN_STATUS_OK);
}
XnStatus PlayerImpl::SetNodeGeneralProp(const XnChar* strNodeName, const XnChar* strPropName, XnUInt32 nBufferSize, const void* pBuffer)
{
XnStatus nRetVal = XN_STATUS_OK;
PlayedNodeInfo playedNode;
nRetVal = m_playedNodes.Get(strNodeName, playedNode);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLockedNodeStartChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetGeneralProperty(playedNode.hNode, strPropName, nBufferSize, pBuffer);
if (nRetVal != XN_STATUS_OK)
{
xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
return (nRetVal);
}
nRetVal = xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
return XN_STATUS_OK;
}
XnStatus PlayerImpl::SetNodeStringProp(const XnChar* strNodeName, const XnChar* strPropName, const XnChar* strValue)
{
XnStatus nRetVal = XN_STATUS_OK;
PlayedNodeInfo playedNode;
nRetVal = m_playedNodes.Get(strNodeName, playedNode);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLockedNodeStartChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetStringProperty(playedNode.hNode, strPropName, strValue);
if (nRetVal != XN_STATUS_OK)
{
xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
return (nRetVal);
}
nRetVal = xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
return XN_STATUS_OK;
}
XnStatus PlayerImpl::SetNodeNewData(const XnChar* strNodeName, XnUInt64 nTimeStamp, XnUInt32 nFrame, const void* pData, XnUInt32 nSize)
{
XnStatus nRetVal = XN_STATUS_OK;
XnUInt64 nNow;
xnOSGetHighResTimeStamp(&nNow);
if (!m_bHasTimeReference)
{
m_nStartTimestamp = nTimeStamp;
m_nStartTime = nNow;
m_bHasTimeReference = TRUE;
}
if (m_dPlaybackSpeed != XN_PLAYBACK_SPEED_FASTEST)
{
// check this data timestamp compared to when we started
XnInt64 nTimestampDiff = nTimeStamp - m_nStartTimestamp;
XnInt64 nTimeDiff = nNow - m_nStartTime;
// check if we need to wait some time
XnInt64 nRequestedTimeDiff = (XnInt64)(nTimestampDiff / m_dPlaybackSpeed);
if (nTimeDiff < nRequestedTimeDiff)
{
xnOSSleep(XnUInt32((nRequestedTimeDiff - nTimeDiff)/1000));
}
// update reference to current frame (this will handle cases in which application
// stopped reading frames and continued after a while)
m_nStartTimestamp = nTimeStamp;
xnOSGetHighResTimeStamp(&m_nStartTime);
}
PlayedNodeInfo playedNode;
nRetVal = m_playedNodes.Get(strNodeName, playedNode);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnLockedNodeStartChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnSetIntProperty(playedNode.hNode, XN_PROP_TIMESTAMP, nTimeStamp);
if (nRetVal != XN_STATUS_OK)
{
xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
return (nRetVal);
}
nRetVal = xnSetIntProperty(playedNode.hNode, XN_PROP_FRAME_ID, nFrame);
if (nRetVal != XN_STATUS_OK)
{
xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
return (nRetVal);
}
nRetVal = xnSetGeneralProperty(playedNode.hNode, XN_PROP_NEWDATA, nSize, pData);
if (nRetVal != XN_STATUS_OK)
{
xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
return (nRetVal);
}
nRetVal = xnLockedNodeEndChanges(playedNode.hNode, playedNode.hLock);
XN_IS_STATUS_OK(nRetVal);
return XN_STATUS_OK;
}
