dlls/dmusic/clock.c

   1 /* IReferenceClock Implementation
   2  *
   3  * Copyright (C) 2003 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 "windef.h"
  21 #include "winbase.h"
  22 #include "winuser.h"
  23 #include "wingdi.h"
  24 #include "wine/debug.h"
  25
  26 #include "dmusic_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  29
  30 /* IReferenceClock IUnknown parts follow: */
  31 HRESULT WINAPI IReferenceClockImpl_QueryInterface (IReferenceClock *iface, REFIID riid, LPVOID *ppobj)
  32 {
  33         ICOM_THIS(IReferenceClockImpl,iface);
  34
  35         if (IsEqualGUID(riid, &IID_IUnknown) ||
  36             IsEqualGUID(riid, &IID_IReferenceClock))
  37         {
  38                 IReferenceClockImpl_AddRef(iface);
  39                 *ppobj = This;
  40                 return S_OK;
  41         }
  42         WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  43         return E_NOINTERFACE;
  44 }
  45
  46 ULONG WINAPI IReferenceClockImpl_AddRef (IReferenceClock *iface)
  47 {
  48         ICOM_THIS(IReferenceClockImpl,iface);
  49         TRACE("(%p) : AddRef from %ld\n", This, This->ref);
  50         return ++(This->ref);
  51 }
  52
  53 ULONG WINAPI IReferenceClockImpl_Release (IReferenceClock *iface)
  54 {
  55         ICOM_THIS(IReferenceClockImpl,iface);
  56         ULONG ref = --This->ref;
  57         TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
  58         if (ref == 0)
  59         {
  60                 HeapFree(GetProcessHeap(), 0, This);
  61         }
  62         return ref;
  63 }
  64
  65 /* IReferenceClock Interface follow: */
  66 HRESULT WINAPI IReferenceClockImpl_GetTime (IReferenceClock *iface, REFERENCE_TIME* pTime)
  67 {
  68         ICOM_THIS(IReferenceClockImpl,iface);
  69
  70         TRACE("(%p, %p)\n", This, pTime);
  71         *pTime = This->rtTime;
  72
  73         return S_OK;
  74 }
  75
  76 HRESULT WINAPI IReferenceClockImpl_AdviseTime (IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie)
  77 {
  78         ICOM_THIS(IReferenceClockImpl,iface);
  79
  80         FIXME("(%p, %lli, %lli, %p, %p): stub\n", This, baseTime, streamTime, hEvent, pdwAdviseCookie);
  81
  82         return S_OK;
  83 }
  84
  85 HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic (IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie)
  86 {
  87         ICOM_THIS(IReferenceClockImpl,iface);
  88
  89         FIXME("(%p, %lli, %lli, %p, %p): stub\n", This, startTime, periodTime, hSemaphore, pdwAdviseCookie);
  90
  91         return S_OK;
  92 }
  93
  94 HRESULT WINAPI IReferenceClockImpl_Unadvise (IReferenceClock *iface, DWORD dwAdviseCookie)
  95 {
  96         ICOM_THIS(IReferenceClockImpl,iface);
  97
  98         FIXME("(%p, %ld): stub\n", This, dwAdviseCookie);
  99
 100         return S_OK;
 101 }
 102
 103 ICOM_VTABLE(IReferenceClock) ReferenceClock_Vtbl =
 104 {
 105     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 106         IReferenceClockImpl_QueryInterface,
 107         IReferenceClockImpl_AddRef,
 108         IReferenceClockImpl_Release,
 109         IReferenceClockImpl_GetTime,
 110         IReferenceClockImpl_AdviseTime,
 111         IReferenceClockImpl_AdvisePeriodic,
 112         IReferenceClockImpl_Unadvise
 113 };
 114
 115 /* for ClassFactory */
 116 HRESULT WINAPI DMUSIC_CreateReferenceClock (LPCGUID lpcGUID, IReferenceClock** ppRC, LPUNKNOWN pUnkOuter)
 117 {
 118         IReferenceClockImpl* clock;
 119
 120         if (IsEqualGUID (lpcGUID, &IID_IReferenceClock))
 121         {
 122                 clock = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IReferenceClockImpl));
 123                 if (NULL == clock) {
 124                         *ppRC = NULL;
 125                         return E_OUTOFMEMORY;
 126                 }
 127                 clock->lpVtbl = &ReferenceClock_Vtbl;
 128                 clock->ref = 1;
 129                 clock->rtTime = 0;
 130                 clock->pClockInfo.dwSize = sizeof (DMUS_CLOCKINFO);
 131
 132                 *ppRC = (IReferenceClock *) clock;
 133                 return S_OK;
 134         }
 135         WARN("No interface found\n");
 136
 137         return E_NOINTERFACE;
 138 }