dlls/dmusic/clock.c

   1 /* IReferenceClock Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILIY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "dmusic_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  23
  24 /* IReferenceClockImpl IUnknown part: */
  25 HRESULT WINAPI IReferenceClockImpl_QueryInterface (IReferenceClock *iface, REFIID riid, LPVOID *ppobj) {
  26         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  27         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  28
  29         if (IsEqualIID (riid, &IID_IUnknown) ||
  30             IsEqualIID (riid, &IID_IReferenceClock)) {
  31                 IReferenceClockImpl_AddRef(iface);
  32                 *ppobj = This;
  33                 return S_OK;
  34         }
  35         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  36         return E_NOINTERFACE;
  37 }
  38
  39 ULONG WINAPI IReferenceClockImpl_AddRef (IReferenceClock *iface) {
  40         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  41         ULONG refCount = InterlockedIncrement(&This->ref);
  42
  43         TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
  44
  45         DMUSIC_LockModule();
  46
  47         return refCount;
  48 }
  49
  50 ULONG WINAPI IReferenceClockImpl_Release (IReferenceClock *iface) {
  51         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  52         ULONG refCount = InterlockedDecrement(&This->ref);
  53
  54         TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
  55
  56         if (!refCount) {
  57                 HeapFree(GetProcessHeap(), 0, This);
  58         }
  59
  60         DMUSIC_UnlockModule();
  61
  62         return refCount;
  63 }
  64
  65 /* IReferenceClockImpl IReferenceClock part: */
  66 HRESULT WINAPI IReferenceClockImpl_GetTime (IReferenceClock *iface, REFERENCE_TIME* pTime) {
  67         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  68         TRACE("(%p, %p)\n", This, pTime);
  69         *pTime = This->rtTime;
  70         return S_OK;
  71 }
  72
  73 HRESULT WINAPI IReferenceClockImpl_AdviseTime (IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie) {
  74         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  75         FIXME("(%p, %lli, %lli, %p, %p): stub\n", This, baseTime, streamTime, hEvent, pdwAdviseCookie);
  76         return S_OK;
  77 }
  78
  79 HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic (IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie) {
  80         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  81         FIXME("(%p, %lli, %lli, %p, %p): stub\n", This, startTime, periodTime, hSemaphore, pdwAdviseCookie);
  82         return S_OK;
  83 }
  84
  85 HRESULT WINAPI IReferenceClockImpl_Unadvise (IReferenceClock *iface, DWORD dwAdviseCookie) {
  86         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  87         FIXME("(%p, %ld): stub\n", This, dwAdviseCookie);
  88         return S_OK;
  89 }
  90
  91 IReferenceClockVtbl ReferenceClock_Vtbl = {
  92         IReferenceClockImpl_QueryInterface,
  93         IReferenceClockImpl_AddRef,
  94         IReferenceClockImpl_Release,
  95         IReferenceClockImpl_GetTime,
  96         IReferenceClockImpl_AdviseTime,
  97         IReferenceClockImpl_AdvisePeriodic,
  98         IReferenceClockImpl_Unadvise
  99 };
 100
 101 /* for ClassFactory */
 102 HRESULT WINAPI DMUSIC_CreateReferenceClockImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 103         IReferenceClockImpl* clock;
 104
 105         clock = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IReferenceClockImpl));
 106         if (NULL == clock) {
 107                 *ppobj = NULL;
 108                 return E_OUTOFMEMORY;
 109         }
 110         clock->lpVtbl = &ReferenceClock_Vtbl;
 111         clock->ref = 0; /* will be inited by QueryInterface */
 112         clock->rtTime = 0;
 113         clock->pClockInfo.dwSize = sizeof (DMUS_CLOCKINFO);
 114
 115         return IReferenceClockImpl_QueryInterface ((IReferenceClock *)clock, lpcGUID, ppobj);
 116 }