XnStatus LinkInputStream::Stop()
{
if(--m_streamingRefcount == 0)
{
return StopImpl();
}
return XN_STATUS_OK;
}
// called for background thread; changes state (since that can involve
// slow blocking calls) and updates the state (since the state is read
// frequently and querying the device is a bit slow)
bool ThreadIteration()
{
// fetch the current requested state and copy it to the current state
int nRequestedTrack;
int nOldTrack;
{
CriticalSectionLock lock(m_csTrack);
nOldTrack = m_nCurrentTrack;
nRequestedTrack = m_nQueuedTrack;
if (nRequestedTrack != trackEmpty)
m_nCurrentTrack = nRequestedTrack;
m_nQueuedTrack = trackEmpty;
}
// if there is a new state requested, make that change
if (nRequestedTrack != trackEmpty)
{
if (nRequestedTrack == trackStop)
StopImpl();
else
PlayImpl(nRequestedTrack);
}
// otherwise, just update the current state
else
{
if ((nOldTrack != trackStop) && (IsPlayingImpl() != S_OK))
{
CriticalSectionLock lock(m_csTrack);
m_nCurrentTrack = trackStop;
}
}
return true;
}
void Argon::Thread::Stop()
{
StopImpl();
}
void ThreadCleanup()
{
StopImpl();
mciSendCommand(m_idDevice, MCI_CLOSE, 0, NULL);
}
