dlls/quartz/sysclock.h

   1 #ifndef WINE_DSHOW_SYSCLOCK_H
   2 #define WINE_DSHOW_SYSCLOCK_H
   3
   4 /*
   5                 implements CLSID_SystemClock.
   6
   7         - At least, the following interfaces should be implemented:
   8
   9         IUnknown
  10                 + IReferenceClock
  11
  12 */
  13
  14 #include "iunk.h"
  15
  16 typedef struct SC_IReferenceClockImpl
  17 {
  18         ICOM_VFIELD(IReferenceClock);
  19 } SC_IReferenceClockImpl;
  20
  21
  22 /* implementation limit */
  23 #define WINE_QUARTZ_SYSCLOCK_TIMER_MAX  64
  24
  25 typedef struct QUARTZ_TimerEntry
  26 {
  27         DWORD                   dwAdvCookie;
  28         BOOL                    fPeriodic;
  29         HANDLE                  hEvent;
  30         REFERENCE_TIME  rtStart;
  31         REFERENCE_TIME  rtInterval;
  32 } QUARTZ_TimerEntry;
  33
  34 typedef struct CSystemClock
  35 {
  36         QUARTZ_IUnkImpl unk;
  37         SC_IReferenceClockImpl  refclk;
  38
  39         /* IReferenceClock fields. */
  40         CRITICAL_SECTION        m_csClock;
  41         DWORD   m_dwTimeLast;
  42         REFERENCE_TIME  m_rtLast;
  43         HANDLE  m_hThreadTimer;
  44         HANDLE  m_hEventInit;
  45         DWORD   m_idThreadTimer;
  46
  47         DWORD                   m_dwAdvCookieNext;
  48         QUARTZ_TimerEntry       m_timerEntries[WINE_QUARTZ_SYSCLOCK_TIMER_MAX];
  49 } CSystemClock;
  50
  51 #define CSystemClock_THIS(iface,member)         CSystemClock*   This = ((CSystemClock*)(((char*)iface)-offsetof(CSystemClock,member)))
  52
  53 HRESULT QUARTZ_CreateSystemClock(IUnknown* punkOuter,void** ppobj);
  54
  55 HRESULT CSystemClock_InitIReferenceClock( CSystemClock* psc );
  56 void CSystemClock_UninitIReferenceClock( CSystemClock* psc );
  57
  58
  59 #endif  /* WINE_DSHOW_SYSCLOCK_H */