dlls/dmusic/buffer.c

   1 /* IDirectMusicBuffer Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (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  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "dmusic_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  23
  24 static inline IDirectMusicBufferImpl *impl_from_IDirectMusicBuffer(IDirectMusicBuffer *iface)
  25 {
  26     return CONTAINING_RECORD(iface, IDirectMusicBufferImpl, IDirectMusicBuffer_iface);
  27 }
  28
  29 /* IDirectMusicBufferImpl IUnknown part: */
  30 static HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface(LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ppobj)
  31 {
  32         IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  33         TRACE("(%p, (%s, %p)\n",This,debugstr_dmguid(riid),ppobj);
  34         if (IsEqualIID (riid, &IID_IUnknown)
  35                 || IsEqualIID (riid, &IID_IDirectMusicBuffer)) {
  36                 IUnknown_AddRef(iface);
  37                 *ppobj = This;
  38                 return S_OK;
  39         }
  40         WARN("(%p, (%s, %p): not found\n",This,debugstr_dmguid(riid),ppobj);
  41         return E_NOINTERFACE;
  42 }
  43
  44 static ULONG WINAPI IDirectMusicBufferImpl_AddRef (LPDIRECTMUSICBUFFER iface)
  45 {
  46         IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  47         ULONG refCount = InterlockedIncrement(&This->ref);
  48
  49         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  50
  51         DMUSIC_LockModule();
  52
  53         return refCount;
  54 }
  55
  56 static ULONG WINAPI IDirectMusicBufferImpl_Release(LPDIRECTMUSICBUFFER iface)
  57 {
  58         IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  59         ULONG refCount = InterlockedDecrement(&This->ref);
  60
  61         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  62
  63         if (!refCount) {
  64                 HeapFree(GetProcessHeap(), 0, This->data);
  65                 HeapFree(GetProcessHeap(), 0, This);
  66         }
  67
  68         DMUSIC_UnlockModule();
  69
  70         return refCount;
  71 }
  72
  73 /* IDirectMusicBufferImpl IDirectMusicBuffer part: */
  74 static HRESULT WINAPI IDirectMusicBufferImpl_Flush(LPDIRECTMUSICBUFFER iface)
  75 {
  76     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  77
  78     FIXME("(%p): stub\n", This);
  79
  80     return S_OK;
  81 }
  82
  83 static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime)
  84 {
  85     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  86
  87     FIXME("(%p, %p): stub\n", This, prtTime);
  88
  89     return S_OK;
  90 }
  91
  92 static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage)
  93 {
  94     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
  95
  96     FIXME("(%p, 0x%s, %d, %d): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, dwChannelMessage);
  97
  98     return S_OK;
  99 }
 100
 101 static HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb)
 102 {
 103     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 104
 105     FIXME("(%p, 0x%s, %d, %d, %p): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, cb, lpb);
 106
 107     return S_OK;
 108 }
 109
 110 static HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr(LPDIRECTMUSICBUFFER iface)
 111 {
 112     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 113
 114     FIXME("(%p): stub\n", This);
 115
 116     return S_OK;
 117 }
 118
 119 static HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData)
 120 {
 121     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 122
 123     FIXME("(%p, %p, %p, %p, %p): stub\n", This, prt, pdwChannelGroup, pdwLength, ppData);
 124
 125     return S_OK;
 126 }
 127
 128 static HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr(LPDIRECTMUSICBUFFER iface, LPBYTE* ppData)
 129 {
 130     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 131
 132     FIXME("(%p, %p): stub\n", This, ppData);
 133
 134     return S_OK;
 135 }
 136
 137 static HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt)
 138 {
 139     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 140
 141     FIXME("(%p, %p): stub\n", This, prt);
 142
 143     return S_OK;
 144 }
 145
 146 static HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes(LPDIRECTMUSICBUFFER iface, LPDWORD pcb)
 147 {
 148     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 149
 150     FIXME("(%p, %p): stub\n", This, pcb);
 151
 152     return S_OK;
 153 }
 154
 155 static HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes(LPDIRECTMUSICBUFFER iface, LPDWORD max_bytes)
 156 {
 157     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 158
 159     TRACE("(%p)->(%p)\n", iface, max_bytes);
 160
 161     if (!max_bytes)
 162         return E_POINTER;
 163
 164     *max_bytes = This->size;
 165
 166     return S_OK;
 167 }
 168
 169 static HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat(LPDIRECTMUSICBUFFER iface, LPGUID format)
 170 {
 171     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 172
 173     TRACE("(%p)->(%p)\n", iface, format);
 174
 175     if (!format)
 176         return E_POINTER;
 177
 178     *format = This->format;
 179     return S_OK;
 180 }
 181
 182 static HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt)
 183 {
 184     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 185
 186     FIXME("(%p, 0x%s): stub\n", This, wine_dbgstr_longlong(rt));
 187
 188     return S_OK;
 189 }
 190
 191 static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb)
 192 {
 193     IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
 194
 195     FIXME("(%p, %d): stub\n", This, cb);
 196
 197     return S_OK;
 198 }
 199
 200 static const IDirectMusicBufferVtbl DirectMusicBuffer_Vtbl = {
 201         IDirectMusicBufferImpl_QueryInterface,
 202         IDirectMusicBufferImpl_AddRef,
 203         IDirectMusicBufferImpl_Release,
 204         IDirectMusicBufferImpl_Flush,
 205         IDirectMusicBufferImpl_TotalTime,
 206         IDirectMusicBufferImpl_PackStructured,
 207         IDirectMusicBufferImpl_PackUnstructured,
 208         IDirectMusicBufferImpl_ResetReadPtr,
 209         IDirectMusicBufferImpl_GetNextEvent,
 210         IDirectMusicBufferImpl_GetRawBufferPtr,
 211         IDirectMusicBufferImpl_GetStartTime,
 212         IDirectMusicBufferImpl_GetUsedBytes,
 213         IDirectMusicBufferImpl_GetMaxBytes,
 214         IDirectMusicBufferImpl_GetBufferFormat,
 215         IDirectMusicBufferImpl_SetStartTime,
 216         IDirectMusicBufferImpl_SetUsedBytes
 217 };
 218
 219 HRESULT DMUSIC_CreateDirectMusicBufferImpl(LPDMUS_BUFFERDESC desc, LPVOID* ret_iface)
 220 {
 221     IDirectMusicBufferImpl* dmbuffer;
 222     HRESULT hr;
 223
 224     TRACE("(%p, %p)\n", desc, ret_iface);
 225
 226     *ret_iface = NULL;
 227
 228     dmbuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBufferImpl));
 229     if (!dmbuffer)
 230         return E_OUTOFMEMORY;
 231
 232     dmbuffer->IDirectMusicBuffer_iface.lpVtbl = &DirectMusicBuffer_Vtbl;
 233     dmbuffer->ref = 0; /* Will be inited by QueryInterface */
 234
 235     memcpy(&dmbuffer->format, &desc->guidBufferFormat, sizeof(GUID));
 236     dmbuffer->size = (desc->cbBuffer + 3) & ~3; /* Buffer size must be multiple of 4 bytes */
 237
 238     dmbuffer->data = HeapAlloc(GetProcessHeap(), 0, dmbuffer->size);
 239     if (!dmbuffer->data) {
 240         HeapFree(GetProcessHeap(), 0, dmbuffer);
 241         return E_OUTOFMEMORY;
 242     }
 243
 244     hr = IDirectMusicBufferImpl_QueryInterface((LPDIRECTMUSICBUFFER)dmbuffer, &IID_IDirectMusicBuffer, ret_iface);
 245     if (FAILED(hr))
 246     {
 247         HeapFree(GetProcessHeap(), 0, dmbuffer->data);
 248         HeapFree(GetProcessHeap(), 0, dmbuffer);
 249     }
 250
 251     return hr;
 252 }