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 ref = InterlockedIncrement(&This->ref);
  50
  51     TRACE("(%p)->(): new ref = %u\n", This, ref);
  52
  53     return ref;
  54 }
  55
  56 static ULONG WINAPI IReferenceClockImpl_Release(IReferenceClock *iface)
  57 {
  58     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  59     ULONG ref = InterlockedDecrement(&This->ref);
  60
  61     TRACE("(%p)->(): new ref = %u\n", This, ref);
  62
  63     if (!ref) {
  64         HeapFree(GetProcessHeap(), 0, This);
  65         DMUSIC_UnlockModule();
  66     }
  67
  68     return ref;
  69 }
  70
  71 /* IReferenceClockImpl IReferenceClock part: */
  72 static HRESULT WINAPI IReferenceClockImpl_GetTime(IReferenceClock *iface, REFERENCE_TIME* pTime)
  73 {
  74     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  75
  76     TRACE("(%p)->(%p)\n", This, pTime);
  77
  78     *pTime = This->rtTime;
  79
  80     return S_OK;
  81 }
  82
  83 static HRESULT WINAPI IReferenceClockImpl_AdviseTime(IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie)
  84 {
  85     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  86
  87     FIXME("(%p)->(0x%s, 0x%s, %p, %p): stub\n", This, wine_dbgstr_longlong(baseTime), wine_dbgstr_longlong(streamTime), hEvent, pdwAdviseCookie);
  88
  89     return S_OK;
  90 }
  91
  92 static HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic(IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie)
  93 {
  94     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  95
  96     FIXME("(%p)->(0x%s, 0x%s, %p, %p): stub\n", This, wine_dbgstr_longlong(startTime), wine_dbgstr_longlong(periodTime), hSemaphore, pdwAdviseCookie);
  97
  98     return S_OK;
  99 }
 100
 101 static HRESULT WINAPI IReferenceClockImpl_Unadvise(IReferenceClock *iface, DWORD dwAdviseCookie)
 102 {
 103     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
 104
 105     FIXME("(%p)->(%d): stub\n", This, dwAdviseCookie);
 106
 107     return S_OK;
 108 }
 109
 110 static const IReferenceClockVtbl ReferenceClock_Vtbl = {
 111         IReferenceClockImpl_QueryInterface,
 112         IReferenceClockImpl_AddRef,
 113         IReferenceClockImpl_Release,
 114         IReferenceClockImpl_GetTime,
 115         IReferenceClockImpl_AdviseTime,
 116         IReferenceClockImpl_AdvisePeriodic,
 117         IReferenceClockImpl_Unadvise
 118 };
 119
 120 /* for ClassFactory */
 121 HRESULT DMUSIC_CreateReferenceClockImpl(LPCGUID riid, LPVOID* ret_iface, LPUNKNOWN unkouter)
 122 {
 123     IReferenceClockImpl* clock;
 124     HRESULT hr;
 125
 126     TRACE("(%s, %p, %p)\n", debugstr_guid(riid), ret_iface, unkouter);
 127
 128     clock = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IReferenceClockImpl));
 129     if (!clock) {
 130         *ret_iface = NULL;
 131         return E_OUTOFMEMORY;
 132     }
 133
 134     clock->IReferenceClock_iface.lpVtbl = &ReferenceClock_Vtbl;
 135     clock->ref = 1;
 136     clock->rtTime = 0;
 137     clock->pClockInfo.dwSize = sizeof (DMUS_CLOCKINFO);
 138
 139     DMUSIC_LockModule();
 140     hr = IReferenceClockImpl_QueryInterface(&clock->IReferenceClock_iface, riid, ret_iface);
 141     IReferenceClock_Release(&clock->IReferenceClock_iface);
 142
 143     return hr;
 144 }