CPullPin::CPullPin()
: m_pReader(NULL),
m_pAlloc(NULL),
m_State(TM_Exit)
{
#ifdef DXMPERF
PERFLOG_CTOR( L"CPullPin", this );
#endif // DXMPERF
}
CPullPin::CPullPin()
: m_pReader(NULL),
m_pAlloc(NULL),
m_State(TM_Exit),
m_tStart(0),
m_tStop(0),
m_tDuration(0),
m_bSync(FALSE)
{
#ifdef DXMPERF
PERFLOG_CTOR( L"CPullPin", this );
#endif // DXMPERF
}
// A derived class may supply a hThreadEvent if it has its own thread that will take care
// of calling the schedulers Advise method. (Refere to CBaseReferenceClock::AdviseThread()
// to see what such a thread has to do.)
CBaseReferenceClock::CBaseReferenceClock( __in_opt LPCTSTR pName,
__inout_opt LPUNKNOWN pUnk,
__inout HRESULT *phr,
__inout_opt CAMSchedule * pShed )
: CUnknown( pName, pUnk )
, m_rtLastGotTime(0)
, m_TimerResolution(0)
, m_bAbort( FALSE )
, m_pSchedule( pShed ? pShed : new CAMSchedule(CreateEvent(NULL, FALSE, FALSE, NULL)) )
, m_hThread(0)
{
#ifdef DXMPERF
PERFLOG_CTOR( pName ? pName : L"CBaseReferenceClock", (IReferenceClock *) this );
#endif // DXMPERF
ASSERT(m_pSchedule);
if (!m_pSchedule)
{
*phr = E_OUTOFMEMORY;
}
else
{
// Set up the highest resolution timer we can manage
TIMECAPS tc;
m_TimerResolution = (TIMERR_NOERROR == timeGetDevCaps(&tc, sizeof(tc)))
? tc.wPeriodMin
: 1;
timeBeginPeriod(m_TimerResolution);
/* Initialise our system times - the derived clock should set the right values */
m_dwPrevSystemTime = timeGetTime();
m_rtPrivateTime = (UNITS / MILLISECONDS) * m_dwPrevSystemTime;
#ifdef PERF
m_idGetSystemTime = MSR_REGISTER(TEXT("CBaseReferenceClock::GetTime"));
#endif
if ( !pShed )
{
DWORD ThreadID;
m_hThread = ::CreateThread(NULL, // Security attributes
(DWORD) 0, // Initial stack size
AdviseThreadFunction, // Thread start address
(LPVOID) this, // Thread parameter
(DWORD) 0, // Creation flags
&ThreadID); // Thread identifier
if (m_hThread)
{
SetThreadPriority( m_hThread, THREAD_PRIORITY_TIME_CRITICAL );
}
else
{
*phr = E_FAIL;
EXECUTE_ASSERT( CloseHandle(m_pSchedule->GetEvent()) );
delete m_pSchedule;
m_pSchedule = NULL;
}
}
}
}
