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 #include "dmobject.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  25
  26 static inline IReferenceClockImpl *impl_from_IReferenceClock(IReferenceClock *iface)
  27 {
  28     return CONTAINING_RECORD(iface, IReferenceClockImpl, IReferenceClock_iface);
  29 }
  30
  31 /* IReferenceClockImpl IUnknown part: */
  32 static HRESULT WINAPI IReferenceClockImpl_QueryInterface(IReferenceClock *iface, REFIID riid, LPVOID *ppobj)
  33 {
  34         IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  35         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  36
  37         if (IsEqualIID (riid, &IID_IUnknown) ||
  38             IsEqualIID (riid, &IID_IReferenceClock)) {
  39                 IUnknown_AddRef(iface);
  40                 *ppobj = This;
  41                 return S_OK;
  42         }
  43         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  44         return E_NOINTERFACE;
  45 }
  46
  47 static ULONG WINAPI IReferenceClockImpl_AddRef(IReferenceClock *iface)
  48 {
  49     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  50     ULONG ref = InterlockedIncrement(&This->ref);
  51
  52     TRACE("(%p)->(): new ref = %u\n", This, ref);
  53
  54     return ref;
  55 }
  56
  57 static ULONG WINAPI IReferenceClockImpl_Release(IReferenceClock *iface)
  58 {
  59     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  60     ULONG ref = InterlockedDecrement(&This->ref);
  61
  62     TRACE("(%p)->(): new ref = %u\n", This, ref);
  63
  64     if (!ref) {
  65         HeapFree(GetProcessHeap(), 0, This);
  66         DMUSIC_UnlockModule();
  67     }
  68
  69     return ref;
  70 }
  71
  72 /* IReferenceClockImpl IReferenceClock part: */
  73 static HRESULT WINAPI IReferenceClockImpl_GetTime(IReferenceClock *iface, REFERENCE_TIME* pTime)
  74 {
  75     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  76
  77     TRACE("(%p)->(%p)\n", This, pTime);
  78
  79     *pTime = This->rtTime;
  80
  81     return S_OK;
  82 }
  83
  84 static HRESULT WINAPI IReferenceClockImpl_AdviseTime(IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie)
  85 {
  86     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  87
  88     FIXME("(%p)->(0x%s, 0x%s, %p, %p): stub\n", This, wine_dbgstr_longlong(baseTime), wine_dbgstr_longlong(streamTime), hEvent, pdwAdviseCookie);
  89
  90     return S_OK;
  91 }
  92
  93 static HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic(IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie)
  94 {
  95     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
  96
  97     FIXME("(%p)->(0x%s, 0x%s, %p, %p): stub\n", This, wine_dbgstr_longlong(startTime), wine_dbgstr_longlong(periodTime), hSemaphore, pdwAdviseCookie);
  98
  99     return S_OK;
 100 }
 101
 102 static HRESULT WINAPI IReferenceClockImpl_Unadvise(IReferenceClock *iface, DWORD dwAdviseCookie)
 103 {
 104     IReferenceClockImpl *This = impl_from_IReferenceClock(iface);
 105
 106     FIXME("(%p)->(%d): stub\n", This, dwAdviseCookie);
 107
 108     return S_OK;
 109 }
 110
 111 static const IReferenceClockVtbl ReferenceClock_Vtbl = {
 112         IReferenceClockImpl_QueryInterface,
 113         IReferenceClockImpl_AddRef,
 114         IReferenceClockImpl_Release,
 115         IReferenceClockImpl_GetTime,
 116         IReferenceClockImpl_AdviseTime,
 117         IReferenceClockImpl_AdvisePeriodic,
 118         IReferenceClockImpl_Unadvise
 119 };
 120
 121 /* for ClassFactory */
 122 HRESULT DMUSIC_CreateReferenceClockImpl(LPCGUID riid, LPVOID* ret_iface, LPUNKNOWN unkouter)
 123 {
 124     IReferenceClockImpl* clock;
 125     HRESULT hr;
 126
 127     TRACE("(%s, %p, %p)\n", debugstr_guid(riid), ret_iface, unkouter);
 128
 129     clock = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IReferenceClockImpl));
 130     if (!clock) {
 131         *ret_iface = NULL;
 132         return E_OUTOFMEMORY;
 133     }
 134
 135     clock->IReferenceClock_iface.lpVtbl = &ReferenceClock_Vtbl;
 136     clock->ref = 1;
 137     clock->rtTime = 0;
 138     clock->pClockInfo.dwSize = sizeof (DMUS_CLOCKINFO);
 139
 140     DMUSIC_LockModule();
 141     hr = IReferenceClockImpl_QueryInterface(&clock->IReferenceClock_iface, riid, ret_iface);
 142     IReferenceClock_Release(&clock->IReferenceClock_iface);
 143
 144     return hr;
 145 }