dlls/dmime/graph.c

   1 /* IDirectMusicGraph
   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  * MERCHANTABILITY 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 "dmime_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmime);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 /*****************************************************************************
  26  * IDirectMusicGraphImpl implementation
  27  */
  28 /* IDirectMusicGraphImpl IUnknown part: */
  29 HRESULT WINAPI IDirectMusicGraphImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  30         ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
  31         TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
  32
  33         if (IsEqualIID (riid, &IID_IUnknown)) {
  34                 *ppobj = (LPVOID)&This->UnknownVtbl;
  35                 IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  36                 return S_OK;
  37         } else if (IsEqualIID (riid, &IID_IDirectMusicGraph)) {
  38                 *ppobj = (LPVOID)&This->GraphVtbl;
  39                 IDirectMusicGraphImpl_IDirectMusicGraph_AddRef ((LPDIRECTMUSICGRAPH)&This->GraphVtbl);
  40                 return S_OK;
  41         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  42                 *ppobj = (LPVOID)&This->ObjectVtbl;
  43                 IDirectMusicGraphImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
  44                 return S_OK;
  45         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  46                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
  47                 IDirectMusicGraphImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  48                 return S_OK;
  49         }
  50
  51         WARN("(%p, %s, %p): not found\n", This, debugstr_guid(riid), ppobj);
  52         return E_NOINTERFACE;
  53 }
  54
  55 ULONG WINAPI IDirectMusicGraphImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  56         ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
  57         TRACE("(%p): AddRef from %ld\n", This, This->ref);
  58         return ++(This->ref);
  59 }
  60
  61 ULONG WINAPI IDirectMusicGraphImpl_IUnknown_Release (LPUNKNOWN iface) {
  62         ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
  63         ULONG ref = --This->ref;
  64         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
  65         if (ref == 0) {
  66                 HeapFree(GetProcessHeap(), 0, This);
  67         }
  68         return ref;
  69 }
  70
  71 ICOM_VTABLE(IUnknown) DirectMusicGraph_Unknown_Vtbl = {
  72     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  73         IDirectMusicGraphImpl_IUnknown_QueryInterface,
  74         IDirectMusicGraphImpl_IUnknown_AddRef,
  75         IDirectMusicGraphImpl_IUnknown_Release
  76 };
  77
  78 /* IDirectMusicGraphImpl IDirectMusicGraph part: */
  79 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface (LPDIRECTMUSICGRAPH iface, REFIID riid, LPVOID *ppobj) {
  80         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  81         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  82 }
  83
  84 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_AddRef (LPDIRECTMUSICGRAPH iface) {
  85         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  86         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  87 }
  88
  89 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_Release (LPDIRECTMUSICGRAPH iface) {
  90         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  91         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  92 }
  93
  94 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg (LPDIRECTMUSICGRAPH iface, DMUS_PMSG* pPMSG) {
  95         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  96         FIXME("(%p, %p): stub\n", This, pPMSG);
  97         return S_OK;
  98 }
  99
 100 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool, DWORD* pdwPChannels, DWORD cPChannels, LONG lIndex) {
 101     int i;
 102         IDirectMusicTool8Impl* p;
 103         IDirectMusicTool8Impl* toAdd = (IDirectMusicTool8Impl*) pTool;
 104         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 105
 106         FIXME("(%p, %p, %p, %ld, %li): use of pdwPChannels\n", This, pTool, pdwPChannels, cPChannels, lIndex);
 107
 108         if (0 == This->num_tools) {
 109           This->pFirst = This->pLast = toAdd;
 110           toAdd->pPrev = toAdd->pNext = NULL;
 111         } else if (lIndex == 0 || lIndex <= -This->num_tools) {
 112           This->pFirst->pPrev = toAdd;
 113           toAdd->pNext = This->pFirst;
 114           toAdd->pPrev = NULL;
 115           This->pFirst = toAdd;
 116         } else if (lIndex < 0) {
 117           p = This->pLast;
 118           for (i = 0; i < -lIndex; ++i) {
 119             p = p->pPrev;
 120           }
 121           toAdd->pNext = p->pNext;
 122           if (p->pNext) p->pNext->pPrev = toAdd;
 123           p->pNext = toAdd;
 124           toAdd->pPrev = p;
 125         } else if (lIndex >= This->num_tools) {
 126           This->pLast->pNext = toAdd;
 127           toAdd->pPrev = This->pLast;
 128           toAdd->pNext = NULL;
 129           This->pLast = toAdd;
 130         } else if (lIndex > 0) {
 131           p = This->pFirst;
 132           for (i = 0; i < lIndex; ++i) {
 133             p = p->pNext;
 134           }
 135           toAdd->pPrev = p->pPrev;
 136           if (p->pPrev) p->pPrev->pNext = toAdd;
 137           p->pPrev = toAdd;
 138           toAdd->pNext = p;
 139         }
 140         ++This->num_tools;
 141         return DS_OK;
 142 }
 143
 144 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_GetTool (LPDIRECTMUSICGRAPH iface, DWORD dwIndex, IDirectMusicTool** ppTool) {
 145         int i;
 146         IDirectMusicTool8Impl* p = NULL;
 147         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 148
 149         FIXME("(%p, %ld, %p): stub\n", This, dwIndex, ppTool);
 150
 151         p = This->pFirst;
 152         for (i = 0; i < dwIndex && i < This->num_tools; ++i) {
 153           p = p->pNext;
 154         }
 155         *ppTool = (IDirectMusicTool*) p;
 156         if (NULL != *ppTool) {
 157           IDirectMusicTool8Impl_AddRef((LPDIRECTMUSICTOOL8) *ppTool);
 158         }
 159         return S_OK;
 160 }
 161
 162 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool) {
 163         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 164         FIXME("(%p, %p): stub\n", This, pTool);
 165         return S_OK;
 166 }
 167
 168 ICOM_VTABLE(IDirectMusicGraph) DirectMusicGraph_Graph_Vtbl = {
 169     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 170         IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface,
 171         IDirectMusicGraphImpl_IDirectMusicGraph_AddRef,
 172         IDirectMusicGraphImpl_IDirectMusicGraph_Release,
 173         IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg,
 174         IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool,
 175         IDirectMusicGraphImpl_IDirectMusicGraph_GetTool,
 176         IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool
 177 };
 178
 179
 180 /* IDirectMusicGraphImpl IDirectMusicObject part: */
 181 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 182         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 183         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 184 }
 185
 186 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 187         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 188         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 189 }
 190
 191 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 192         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 193         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 194 }
 195
 196 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 197         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 198         TRACE("(%p, %p)\n", This, pDesc);
 199         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 200         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 201         return S_OK;
 202 }
 203
 204 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 205         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 206         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 207
 208         /* According to MSDN, we should copy only given values, not whole struct */
 209         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 210                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 211         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 212                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 213         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 214                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 215         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 216                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 217         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 218                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 219         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 220                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 221         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 222                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 223         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 224                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 225                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 226         }
 227         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 228                 /* according to MSDN, we copy the stream */
 229                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 230         }
 231
 232         /* add new flags */
 233         This->pDesc->dwValidData |= pDesc->dwValidData;
 234
 235         return S_OK;
 236 }
 237
 238 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 239         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 240         DMUS_PRIVATE_CHUNK Chunk;
 241         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 242         LARGE_INTEGER liMove; /* used when skipping chunks */
 243
 244         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 245
 246         /* FIXME: should this be determined from stream? */
 247         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 248         memcpy (&pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof(CLSID));
 249
 250         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 251         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 252         switch (Chunk.fccID) {
 253                 case FOURCC_RIFF: {
 254                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 255                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 256                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 257                         StreamCount = 0;
 258                         if (Chunk.fccID == DMUS_FOURCC_TOOLGRAPH_FORM) {
 259                                 TRACE_(dmfile)(": graph form\n");
 260                                 do {
 261                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 262                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 263                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 264                                         switch (Chunk.fccID) {
 265                                                 case DMUS_FOURCC_GUID_CHUNK: {
 266                                                         TRACE_(dmfile)(": GUID chunk\n");
 267                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 268                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 269                                                         break;
 270                                                 }
 271                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 272                                                         TRACE_(dmfile)(": version chunk\n");
 273                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 274                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 275                                                         break;
 276                                                 }
 277                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 278                                                         TRACE_(dmfile)(": category chunk\n");
 279                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 280                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 281                                                         break;
 282                                                 }
 283                                                 case FOURCC_LIST: {
 284                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 285                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 286                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 287                                                         ListCount[0] = 0;
 288                                                         switch (Chunk.fccID) {
 289                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 290                                                                 case DMUS_FOURCC_UNFO_LIST: {
 291                                                                         TRACE_(dmfile)(": UNFO list\n");
 292                                                                         do {
 293                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 294                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 295                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 296                                                                                 switch (Chunk.fccID) {
 297                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 298                                              (though strings seem to be valid unicode) */
 299                                                                                         case mmioFOURCC('I','N','A','M'):
 300                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 301                                                                                                 TRACE_(dmfile)(": name chunk\n");
 302                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 303                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 304                                                                                                 break;
 305                                                                                         }
 306                                                                                         case mmioFOURCC('I','A','R','T'):
 307                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 308                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 309                                                                                                 liMove.QuadPart = Chunk.dwSize;
 310                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 311                                                                                                 break;
 312                                                                                         }
 313                                                                                         case mmioFOURCC('I','C','O','P'):
 314                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 315                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 316                                                                                                 liMove.QuadPart = Chunk.dwSize;
 317                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 318                                                                                                 break;
 319                                                                                         }
 320                                                                                         case mmioFOURCC('I','S','B','J'):
 321                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 322                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 323                                                                                                 liMove.QuadPart = Chunk.dwSize;
 324                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 325                                                                                                 break;
 326                                                                                         }
 327                                                                                         case mmioFOURCC('I','C','M','T'):
 328                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 329                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 330                                                                                                 liMove.QuadPart = Chunk.dwSize;
 331                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 332                                                                                                 break;
 333                                                                                         }
 334                                                                                         default: {
 335                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 336                                                                                                 liMove.QuadPart = Chunk.dwSize;
 337                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 338                                                                                                 break;
 339                                                                                         }
 340                                                                                 }
 341                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 342                                                                         } while (ListCount[0] < ListSize[0]);
 343                                                                         break;
 344                                                                 }
 345                                                                 default: {
 346                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 347                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 348                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 349                                                                         break;
 350                                                                 }
 351                                                         }
 352                                                         break;
 353                                                 }
 354                                                 default: {
 355                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 356                                                         liMove.QuadPart = Chunk.dwSize;
 357                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 358                                                         break;
 359                                                 }
 360                                         }
 361                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 362                                 } while (StreamCount < StreamSize);
 363                                 break;
 364                         } else {
 365                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 366                                 liMove.QuadPart = StreamSize;
 367                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 368                                 return E_FAIL;
 369                         }
 370
 371                         TRACE_(dmfile)(": reading finished\n");
 372                         break;
 373                 }
 374                 default: {
 375                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 376                         liMove.QuadPart = Chunk.dwSize;
 377                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 378                         return DMUS_E_INVALIDFILE;
 379                 }
 380         }
 381
 382         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 383
 384         return S_OK;
 385 }
 386
 387 ICOM_VTABLE(IDirectMusicObject) DirectMusicGraph_Object_Vtbl = {
 388     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 389         IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface,
 390         IDirectMusicGraphImpl_IDirectMusicObject_AddRef,
 391         IDirectMusicGraphImpl_IDirectMusicObject_Release,
 392         IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor,
 393         IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor,
 394         IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor
 395 };
 396
 397 /* IDirectMusicGraphImpl IPersistStream part: */
 398 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 399         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 400         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 401 }
 402
 403 ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 404         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 405         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 406 }
 407
 408 ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 409         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 410         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 411 }
 412
 413 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 414         return E_NOTIMPL;
 415 }
 416
 417 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 418         return E_NOTIMPL;
 419 }
 420
 421 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 422         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 423         FOURCC chunkID;
 424         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 425         LARGE_INTEGER liMove; /* used when skipping chunks */
 426
 427         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 428         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 429         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 430         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 431         switch (chunkID) {
 432                 case FOURCC_RIFF: {
 433                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 434                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 435                         StreamSize = chunkSize - sizeof(FOURCC);
 436                         StreamCount = 0;
 437                         switch (chunkID) {
 438                                 case DMUS_FOURCC_TOOLGRAPH_FORM: {
 439                                         TRACE_(dmfile)(": graph form\n");
 440                                         do {
 441                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 442                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 443                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 444                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 445                                                 switch (chunkID) {
 446                                                         case DMUS_FOURCC_GUID_CHUNK: {
 447                                                                 TRACE_(dmfile)(": GUID chunk\n");
 448                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 449                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 450                                                                 break;
 451                                                         }
 452                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 453                                                                 TRACE_(dmfile)(": version chunk\n");
 454                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 455                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 456                                                                 break;
 457                                                         }
 458                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 459                                                                 TRACE_(dmfile)(": category chunk\n");
 460                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 461                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 462                                                                 break;
 463                                                         }
 464                                                         case FOURCC_LIST: {
 465                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 466                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 467                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 468                                                                 ListCount[0] = 0;
 469                                                                 switch (chunkID) {
 470                                                                         case DMUS_FOURCC_UNFO_LIST: {
 471                                                                                 TRACE_(dmfile)(": UNFO list\n");
 472                                                                                 do {
 473                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 474                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 475                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 476                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 477                                                                                         switch (chunkID) {
 478                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 479                                               (though strings seem to be valid unicode) */
 480                                                                                                 case mmioFOURCC('I','N','A','M'):
 481                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 482                                                                                                         TRACE_(dmfile)(": name chunk\n");
 483                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 484                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 485                                                                                                         break;
 486                                                                                                 }
 487                                                                                                 case mmioFOURCC('I','A','R','T'):
 488                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 489                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 490                                                                                                         liMove.QuadPart = chunkSize;
 491                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 492                                                                                                         break;
 493                                                                                                 }
 494                                                                                                 case mmioFOURCC('I','C','O','P'):
 495                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 496                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 497                                                                                                         liMove.QuadPart = chunkSize;
 498                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 499                                                                                                         break;
 500                                                                                                 }
 501                                                                                                 case mmioFOURCC('I','S','B','J'):
 502                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 503                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 504                                                                                                         liMove.QuadPart = chunkSize;
 505                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 506                                                                                                         break;
 507                                                                                                 }
 508                                                                                                 case mmioFOURCC('I','C','M','T'):
 509                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 510                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 511                                                                                                         liMove.QuadPart = chunkSize;
 512                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 513                                                                                                         break;
 514                                                                                                 }
 515                                                                                                 default: {
 516                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 517                                                                                                         liMove.QuadPart = chunkSize;
 518                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 519                                                                                                         break;
 520                                                                                                 }
 521                                                                                         }
 522                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 523                                                                                 } while (ListCount[0] < ListSize[0]);
 524                                                                                 break;
 525                                                                         }
 526                                                                         default: {
 527                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 528                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 529                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 530                                                                                 break;
 531                                                                         }
 532                                                                 }
 533                                                                 break;
 534                                                         }
 535                                                         default: {
 536                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 537                                                                 liMove.QuadPart = chunkSize;
 538                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 539                                                                 break;
 540                                                         }
 541                                                 }
 542                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 543                                         } while (StreamCount < StreamSize);
 544                                         break;
 545                                 }
 546                                 default: {
 547                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 548                                         liMove.QuadPart = StreamSize;
 549                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 550                                         return E_FAIL;
 551                                 }
 552                         }
 553                         TRACE_(dmfile)(": reading finished\n");
 554                         break;
 555                 }
 556                 default: {
 557                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 558                         liMove.QuadPart = chunkSize;
 559                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 560                         return E_FAIL;
 561                 }
 562         }
 563
 564         return S_OK;
 565 }
 566
 567 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 568         return E_NOTIMPL;
 569 }
 570
 571 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 572         return E_NOTIMPL;
 573 }
 574
 575 ICOM_VTABLE(IPersistStream) DirectMusicGraph_PersistStream_Vtbl = {
 576     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 577         IDirectMusicGraphImpl_IPersistStream_QueryInterface,
 578         IDirectMusicGraphImpl_IPersistStream_AddRef,
 579         IDirectMusicGraphImpl_IPersistStream_Release,
 580         IDirectMusicGraphImpl_IPersistStream_GetClassID,
 581         IDirectMusicGraphImpl_IPersistStream_IsDirty,
 582         IDirectMusicGraphImpl_IPersistStream_Load,
 583         IDirectMusicGraphImpl_IPersistStream_Save,
 584         IDirectMusicGraphImpl_IPersistStream_GetSizeMax
 585 };
 586
 587 /* for ClassFactory */
 588 HRESULT WINAPI DMUSIC_CreateDirectMusicGraphImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 589         IDirectMusicGraphImpl* obj;
 590
 591         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicGraphImpl));
 592         if (NULL == obj) {
 593                 *ppobj = (LPVOID) NULL;
 594                 return E_OUTOFMEMORY;
 595         }
 596         obj->UnknownVtbl = &DirectMusicGraph_Unknown_Vtbl;
 597         obj->GraphVtbl = &DirectMusicGraph_Graph_Vtbl;
 598         obj->ObjectVtbl = &DirectMusicGraph_Object_Vtbl;
 599         obj->PersistStreamVtbl = &DirectMusicGraph_PersistStream_Vtbl;
 600         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 601         DM_STRUCT_INIT(obj->pDesc);
 602         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 603         memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof (CLSID));
 604         obj->ref = 0; /* will be inited by QueryInterface */
 605
 606         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 607 }