dlls/dmusic/clock.c

   1 /*
   2  * IReferenceClock Implementation
   3  *
   4  * Copyright (C) 2003-2004 Rok Mandeljc
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "dmusic_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  24
  25 static inline IReferenceClockImpl *impl_from_IReferenceClock(IReferenceClock *iface)
  26 {
  27     return CONTAINING_RECORD(iface, IReferenceClockImpl, IReferenceClock_iface);
  28 }
  29
  30 /* IReferenceClockImpl IUnknown part: */
  31 static HRESULT WINAPI IReferenceClockImpl_QueryInterface(IReferenceClock *iface, REFIID riid, LPVOID *ppobj)
  32 {
  33         IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  34         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  35
  36         if (IsEqualIID (riid, &IID_IUnknown) ||
  37             IsEqualIID (riid, &IID_IReferenceClock)) {
  38                 IUnknown_AddRef(iface);
  39                 *ppobj = This;
  40                 return S_OK;
  41         }
  42         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  43         return E_NOINTERFACE;
  44 }
  45
  46 static ULONG WINAPI IReferenceClockImpl_AddRef(IReferenceClock *iface)
  47 {
  48         IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  49         ULONG refCount = InterlockedIncrement(&This->ref);
  50
  51         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  52
  53         DMUSIC_LockModule();
  54
  55         return refCount;
  56 }
  57
  58 static ULONG WINAPI IReferenceClockImpl_Release(IReferenceClock *iface)
  59 {
  60         IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  61         ULONG refCount = InterlockedDecrement(&This->ref);
  62
  63         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  64
  65         if (!refCount) {
  66                 HeapFree(GetProcessHeap(), 0, This);
  67         }
  68
  69         DMUSIC_UnlockModule();
  70
  71         return refCount;
  72 }
  73
  74 /* IReferenceClockImpl IReferenceClock part: */
  75 static HRESULT WINAPI IReferenceClockImpl_GetTime(IReferenceClock *iface, REFERENCE_TIME* pTime)
  76 {
  77     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  78
  79     TRACE("(%p)->(%p)\n", This, pTime);
  80
  81     *pTime = This->rtTime;
  82
  83     return S_OK;
  84 }
  85
  86 static HRESULT WINAPI IReferenceClockImpl_AdviseTime(IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie)
  87 {
  88     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  89
  90     FIXME("(%p)->(0x%s, 0x%s, %p, %p): stub\n", This, wine_dbgstr_longlong(baseTime), wine_dbgstr_longlong(streamTime), hEvent, pdwAdviseCookie);
  91
  92     return S_OK;
  93 }
  94
  95 static HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic(IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie)
  96 {
  97     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  98
  99     FIXME("(%p)->(0x%s, 0x%s, %p, %p): stub\n", This, wine_dbgstr_longlong(startTime), wine_dbgstr_longlong(periodTime), hSemaphore, pdwAdviseCookie);
 100
 101     return S_OK;
 102 }
 103
 104 static HRESULT WINAPI IReferenceClockImpl_Unadvise(IReferenceClock *iface, DWORD dwAdviseCookie)
 105 {
 106     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
 107
 108     FIXME("(%p)->(%d): stub\n", This, dwAdviseCookie);
 109
 110     return S_OK;
 111 }
 112
 113 static const IReferenceClockVtbl ReferenceClock_Vtbl = {
 114         IReferenceClockImpl_QueryInterface,
 115         IReferenceClockImpl_AddRef,
 116         IReferenceClockImpl_Release,
 117         IReferenceClockImpl_GetTime,
 118         IReferenceClockImpl_AdviseTime,
 119         IReferenceClockImpl_AdvisePeriodic,
 120         IReferenceClockImpl_Unadvise
 121 };
 122
 123 /* for ClassFactory */
 124 HRESULT DMUSIC_CreateReferenceClockImpl(LPCGUID riid, LPVOID* ret_iface, LPUNKNOWN unkouter)
 125 {
 126     IReferenceClockImpl* clock;
 127
 128     TRACE("(%p,%p,%p)\n", riid, ret_iface, unkouter);
 129
 130     clock = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IReferenceClockImpl));
 131     if (!clock) {
 132         *ret_iface = NULL;
 133         return E_OUTOFMEMORY;
 134     }
 135
 136     clock->IReferenceClock_iface.lpVtbl = &ReferenceClock_Vtbl;
 137     clock->ref = 0; /* Will be inited by QueryInterface */
 138     clock->rtTime = 0;
 139     clock->pClockInfo.dwSize = sizeof (DMUS_CLOCKINFO);
 140
 141     return IReferenceClockImpl_QueryInterface((IReferenceClock*)clock, riid, ret_iface);
 142 }