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::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;
}
XnStatus MockNotifier::OnNodeGeneralPropChangedImpl(void* pCookie, const XnChar* strNodeName, const XnChar* strPropName, XnUInt32 nBufferSize, const void* pBuffer)
{
return xnSetGeneralProperty((XnNodeHandle)pCookie, strPropName, nBufferSize, pBuffer);
}
