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         TRACE("(%p): AddRef from %ld\n", This, This->ref);
  42         return ++(This->ref);
  43 }
  44
  45 ULONG WINAPI IReferenceClockImpl_Release (IReferenceClock *iface) {
  46         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  47         ULONG ref = --This->ref;
  48         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
  49         if (ref == 0) {
  50                 HeapFree(GetProcessHeap(), 0, This);
  51         }
  52         return ref;
  53 }
  54
  55 /* IReferenceClockImpl IReferenceClock part: */
  56 HRESULT WINAPI IReferenceClockImpl_GetTime (IReferenceClock *iface, REFERENCE_TIME* pTime) {
  57         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  58         TRACE("(%p, %p)\n", This, pTime);
  59         *pTime = This->rtTime;
  60         return S_OK;
  61 }
  62
  63 HRESULT WINAPI IReferenceClockImpl_AdviseTime (IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie) {
  64         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  65         FIXME("(%p, %lli, %lli, %p, %p): stub\n", This, baseTime, streamTime, hEvent, pdwAdviseCookie);
  66         return S_OK;
  67 }
  68
  69 HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic (IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie) {
  70         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  71         FIXME("(%p, %lli, %lli, %p, %p): stub\n", This, startTime, periodTime, hSemaphore, pdwAdviseCookie);
  72         return S_OK;
  73 }
  74
  75 HRESULT WINAPI IReferenceClockImpl_Unadvise (IReferenceClock *iface, DWORD dwAdviseCookie) {
  76         IReferenceClockImpl *This = (IReferenceClockImpl *)iface;
  77         FIXME("(%p, %ld): stub\n", This, dwAdviseCookie);
  78         return S_OK;
  79 }
  80
  81 IReferenceClockVtbl ReferenceClock_Vtbl = {
  82         IReferenceClockImpl_QueryInterface,
  83         IReferenceClockImpl_AddRef,
  84         IReferenceClockImpl_Release,
  85         IReferenceClockImpl_GetTime,
  86         IReferenceClockImpl_AdviseTime,
  87         IReferenceClockImpl_AdvisePeriodic,
  88         IReferenceClockImpl_Unadvise
  89 };
  90
  91 /* for ClassFactory */
  92 HRESULT WINAPI DMUSIC_CreateReferenceClockImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
  93         IReferenceClockImpl* clock;
  94
  95         clock = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IReferenceClockImpl));
  96         if (NULL == clock) {
  97                 *ppobj = NULL;
  98                 return E_OUTOFMEMORY;
  99         }
 100         clock->lpVtbl = &ReferenceClock_Vtbl;
 101         clock->ref = 0; /* will be inited by QueryInterface */
 102         clock->rtTime = 0;
 103         clock->pClockInfo.dwSize = sizeof (DMUS_CLOCKINFO);
 104
 105         return IReferenceClockImpl_QueryInterface ((IReferenceClock *)clock, lpcGUID, ppobj);
 106 }