DWORD WINAPI Nui_ProcessThread( )
{
const int numEvents = 4;
HANDLE hEvents[numEvents] = { m_hEvNuiProcessStop, m_hNextDepthFrameEvent, m_hNextColorFrameEvent, m_hNextSkeletonEvent };
int nEventIdx;
DWORD t;
// Main thread loop
bool continueProcessing = true;
while ( continueProcessing )
{
// Wait for any of the events to be signalled
nEventIdx = WaitForMultipleObjects( numEvents, hEvents, FALSE, 100 );
// Timed out, continue
if ( nEventIdx == WAIT_TIMEOUT )
{
continue;
}
// stop event was signalled
if ( WAIT_OBJECT_0 == nEventIdx )
{
continueProcessing = false;
break;
}
if ( WAIT_OBJECT_0 == WaitForSingleObject( m_hNextDepthFrameEvent, 0 ) )
{
//only increment frame count if a frame was successfully drawn
Nui_GotDepthAlert();
}
if ( WAIT_OBJECT_0 == WaitForSingleObject( m_hNextColorFrameEvent, 0 ) )
{
Nui_GotColorAlert();
}
if ( WAIT_OBJECT_0 == WaitForSingleObject( m_hNextSkeletonEvent, 0 ) )
{
Nui_GotSkeletonAlert( );
}
}
return 0;
}
DWORD WINAPI _Nui_ProcessThread()
{
HANDLE hEvents[4];
int nEventIdx,t,dt;
// Configure events to be listened on
hEvents[0]= m_hEvNuiProcessStop;
hEvents[1]= m_hNextDepthFrameEvent;
hEvents[2]= m_hNextVideoFrameEvent;
hEvents[3]= m_hNextSkeletonEvent;
#pragma warning(push)
#pragma warning(disable: 4127) // conditional expression is constant
// Main thread loop
while(1)
{
// Wait for an event to be signalled
nEventIdx=WaitForMultipleObjects(sizeof(hEvents)/sizeof(hEvents[0]),hEvents,FALSE,100);
// If the stop event, stop looping and exit
if(nEventIdx==0)
break;
// Perform FPS processing
t = timeGetTime( );
if( m_LastFPStime == -1 )
{
m_LastFPStime = t;
m_LastFramesTotal = m_FramesTotal;
}
dt = t - m_LastFPStime;
if( dt > 1000 )
{
m_LastFPStime = t;
int FrameDelta = m_FramesTotal - m_LastFramesTotal;
m_LastFramesTotal = m_FramesTotal;
//::PostMessageW(m_hWnd, WM_USER_UPDATE_FPS, IDC_FPS, FrameDelta);
}
// Perform skeletal panel blanking
if( m_LastSkeletonFoundTime == -1 )
m_LastSkeletonFoundTime = t;
dt = t - m_LastSkeletonFoundTime;
if( dt > 250 )
{
if( !m_bScreenBlanked )
{
Nui_BlankSkeletonScreen( );
m_bScreenBlanked = true;
}
}
// Process signal events
switch(nEventIdx)
{
case 1:
Nui_GotDepthAlert();
m_FramesTotal++;
break;
case 2:
Nui_GotVideoAlert();
break;
case 3:
Nui_GotSkeletonAlert( );
break;
}
}
#pragma warning(pop)
return (0);
}
