git.oblomov.eu Git - wine/blob - 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   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 102
 103   HRESULT hr;
 104   struct list* pEntry = NULL;
 105   struct list* pPrevEntry = NULL;
 106   LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
 107   LPDMUS_PRIVATE_GRAPH_TOOL pNewTool = NULL;
 108
 109
 110   FIXME("(%p, %p, %p, %ld, %li): use of pdwPChannels\n", This, pTool, pdwPChannels, cPChannels, lIndex);
 111
 112   if (NULL == pTool) {
 113     return E_POINTER;
 114   }
 115
 116   if (0 > lIndex) {
 117     lIndex = This->num_tools + lIndex;
 118   }
 119
 120   pPrevEntry = &This->Tools;
 121   LIST_FOR_EACH (pEntry, &This->Tools) {
 122     pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
 123     if (pIt->dwIndex == lIndex) {
 124       return DMUS_E_ALREADY_EXISTS;
 125     }
 126     if (pIt->dwIndex > lIndex) {
 127       break ;
 128     }
 129     pPrevEntry = pEntry;
 130   }
 131
 132   ++This->num_tools;
 133   pNewTool = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_GRAPH_TOOL));
 134   pNewTool->pTool = pTool;
 135   pNewTool->dwIndex = lIndex;
 136   IDirectMusicTool8_AddRef(pTool);
 137   hr = IDirectMusicTool8_Init(pTool, iface);
 138   list_add_tail (pPrevEntry->next, &pNewTool->entry);
 139
 140 #if 0
 141   DWORD dwNum = 0;
 142   hr = IDirectMusicTool8_GetMediaTypes(pTool, &dwNum);
 143 #endif
 144
 145   return DS_OK;
 146 }
 147
 148 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_GetTool (LPDIRECTMUSICGRAPH iface, DWORD dwIndex, IDirectMusicTool** ppTool) {
 149   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 150   struct list* pEntry = NULL;
 151   LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
 152
 153   FIXME("(%p, %ld, %p): stub\n", This, dwIndex, ppTool);
 154
 155   LIST_FOR_EACH (pEntry, &This->Tools) {
 156     pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
 157     if (pIt->dwIndex == dwIndex) {
 158       *ppTool = pIt->pTool;
 159       if (NULL != *ppTool) {
 160         IDirectMusicTool8Impl_AddRef((LPDIRECTMUSICTOOL8) *ppTool);
 161       }
 162       return S_OK;
 163     }
 164     if (pIt->dwIndex > dwIndex) {
 165       break ;
 166     }
 167   }
 168
 169   return DMUS_E_NOT_FOUND;
 170 }
 171
 172 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool) {
 173   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 174   FIXME("(%p, %p): stub\n", This, pTool);
 175   return S_OK;
 176 }
 177
 178 ICOM_VTABLE(IDirectMusicGraph) DirectMusicGraph_Graph_Vtbl = {
 179   ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 180   IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface,
 181   IDirectMusicGraphImpl_IDirectMusicGraph_AddRef,
 182   IDirectMusicGraphImpl_IDirectMusicGraph_Release,
 183   IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg,
 184   IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool,
 185   IDirectMusicGraphImpl_IDirectMusicGraph_GetTool,
 186   IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool
 187 };
 188
 189
 190 /* IDirectMusicGraphImpl IDirectMusicObject part: */
 191 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 192         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 193         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 194 }
 195
 196 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 197         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 198         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 199 }
 200
 201 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 202         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 203         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 204 }
 205
 206 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 207         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 208         TRACE("(%p, %p)\n", This, pDesc);
 209         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 210         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 211         return S_OK;
 212 }
 213
 214 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 215         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 216         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 217
 218         /* According to MSDN, we should copy only given values, not whole struct */
 219         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 220                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 221         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 222                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 223         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 224                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 225         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 226                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 227         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 228                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 229         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 230                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 231         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 232                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 233         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 234                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 235                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 236         }
 237         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 238                 /* according to MSDN, we copy the stream */
 239                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 240         }
 241
 242         /* add new flags */
 243         This->pDesc->dwValidData |= pDesc->dwValidData;
 244
 245         return S_OK;
 246 }
 247
 248 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 249         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 250         DMUS_PRIVATE_CHUNK Chunk;
 251         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 252         LARGE_INTEGER liMove; /* used when skipping chunks */
 253
 254         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 255
 256         /* FIXME: should this be determined from stream? */
 257         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 258         memcpy (&pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof(CLSID));
 259
 260         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 261         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 262         switch (Chunk.fccID) {
 263                 case FOURCC_RIFF: {
 264                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 265                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 266                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 267                         StreamCount = 0;
 268                         if (Chunk.fccID == DMUS_FOURCC_TOOLGRAPH_FORM) {
 269                                 TRACE_(dmfile)(": graph form\n");
 270                                 do {
 271                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 272                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 273                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 274                                         switch (Chunk.fccID) {
 275                                                 case DMUS_FOURCC_GUID_CHUNK: {
 276                                                         TRACE_(dmfile)(": GUID chunk\n");
 277                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 278                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 279                                                         break;
 280                                                 }
 281                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 282                                                         TRACE_(dmfile)(": version chunk\n");
 283                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 284                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 285                                                         break;
 286                                                 }
 287                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 288                                                         TRACE_(dmfile)(": category chunk\n");
 289                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 290                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 291                                                         break;
 292                                                 }
 293                                                 case FOURCC_LIST: {
 294                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 295                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 296                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 297                                                         ListCount[0] = 0;
 298                                                         switch (Chunk.fccID) {
 299                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 300                                                                 case DMUS_FOURCC_UNFO_LIST: {
 301                                                                         TRACE_(dmfile)(": UNFO list\n");
 302                                                                         do {
 303                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 304                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 305                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 306                                                                                 switch (Chunk.fccID) {
 307                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 308                                              (though strings seem to be valid unicode) */
 309                                                                                         case mmioFOURCC('I','N','A','M'):
 310                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 311                                                                                                 TRACE_(dmfile)(": name chunk\n");
 312                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 313                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 314                                                                                                 break;
 315                                                                                         }
 316                                                                                         case mmioFOURCC('I','A','R','T'):
 317                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 318                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 319                                                                                                 liMove.QuadPart = Chunk.dwSize;
 320                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 321                                                                                                 break;
 322                                                                                         }
 323                                                                                         case mmioFOURCC('I','C','O','P'):
 324                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 325                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 326                                                                                                 liMove.QuadPart = Chunk.dwSize;
 327                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 328                                                                                                 break;
 329                                                                                         }
 330                                                                                         case mmioFOURCC('I','S','B','J'):
 331                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 332                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 333                                                                                                 liMove.QuadPart = Chunk.dwSize;
 334                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 335                                                                                                 break;
 336                                                                                         }
 337                                                                                         case mmioFOURCC('I','C','M','T'):
 338                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 339                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 340                                                                                                 liMove.QuadPart = Chunk.dwSize;
 341                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 342                                                                                                 break;
 343                                                                                         }
 344                                                                                         default: {
 345                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 346                                                                                                 liMove.QuadPart = Chunk.dwSize;
 347                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 348                                                                                                 break;
 349                                                                                         }
 350                                                                                 }
 351                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 352                                                                         } while (ListCount[0] < ListSize[0]);
 353                                                                         break;
 354                                                                 }
 355                                                                 default: {
 356                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 357                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 358                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 359                                                                         break;
 360                                                                 }
 361                                                         }
 362                                                         break;
 363                                                 }
 364                                                 default: {
 365                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 366                                                         liMove.QuadPart = Chunk.dwSize;
 367                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 368                                                         break;
 369                                                 }
 370                                         }
 371                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 372                                 } while (StreamCount < StreamSize);
 373                                 break;
 374                         } else {
 375                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 376                                 liMove.QuadPart = StreamSize;
 377                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 378                                 return E_FAIL;
 379                         }
 380
 381                         TRACE_(dmfile)(": reading finished\n");
 382                         break;
 383                 }
 384                 default: {
 385                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 386                         liMove.QuadPart = Chunk.dwSize;
 387                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 388                         return DMUS_E_INVALIDFILE;
 389                 }
 390         }
 391
 392         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 393
 394         return S_OK;
 395 }
 396
 397 ICOM_VTABLE(IDirectMusicObject) DirectMusicGraph_Object_Vtbl = {
 398     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 399         IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface,
 400         IDirectMusicGraphImpl_IDirectMusicObject_AddRef,
 401         IDirectMusicGraphImpl_IDirectMusicObject_Release,
 402         IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor,
 403         IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor,
 404         IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor
 405 };
 406
 407 /* IDirectMusicGraphImpl IPersistStream part: */
 408 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 409         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 410         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 411 }
 412
 413 ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 414         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 415         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 416 }
 417
 418 ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 419         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 420         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 421 }
 422
 423 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 424         return E_NOTIMPL;
 425 }
 426
 427 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 428         return E_NOTIMPL;
 429 }
 430
 431 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 432         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 433         FOURCC chunkID;
 434         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 435         LARGE_INTEGER liMove; /* used when skipping chunks */
 436
 437         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 438         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 439         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 440         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 441         switch (chunkID) {
 442                 case FOURCC_RIFF: {
 443                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 444                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 445                         StreamSize = chunkSize - sizeof(FOURCC);
 446                         StreamCount = 0;
 447                         switch (chunkID) {
 448                                 case DMUS_FOURCC_TOOLGRAPH_FORM: {
 449                                         TRACE_(dmfile)(": graph form\n");
 450                                         do {
 451                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 452                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 453                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 454                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 455                                                 switch (chunkID) {
 456                                                         case DMUS_FOURCC_GUID_CHUNK: {
 457                                                                 TRACE_(dmfile)(": GUID chunk\n");
 458                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 459                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 460                                                                 break;
 461                                                         }
 462                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 463                                                                 TRACE_(dmfile)(": version chunk\n");
 464                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 465                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 466                                                                 break;
 467                                                         }
 468                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 469                                                                 TRACE_(dmfile)(": category chunk\n");
 470                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 471                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 472                                                                 break;
 473                                                         }
 474                                                         case FOURCC_LIST: {
 475                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 476                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 477                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 478                                                                 ListCount[0] = 0;
 479                                                                 switch (chunkID) {
 480                                                                         case DMUS_FOURCC_UNFO_LIST: {
 481                                                                                 TRACE_(dmfile)(": UNFO list\n");
 482                                                                                 do {
 483                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 484                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 485                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 486                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 487                                                                                         switch (chunkID) {
 488                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 489                                               (though strings seem to be valid unicode) */
 490                                                                                                 case mmioFOURCC('I','N','A','M'):
 491                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 492                                                                                                         TRACE_(dmfile)(": name chunk\n");
 493                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 494                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 495                                                                                                         break;
 496                                                                                                 }
 497                                                                                                 case mmioFOURCC('I','A','R','T'):
 498                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 499                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 500                                                                                                         liMove.QuadPart = chunkSize;
 501                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 502                                                                                                         break;
 503                                                                                                 }
 504                                                                                                 case mmioFOURCC('I','C','O','P'):
 505                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 506                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 507                                                                                                         liMove.QuadPart = chunkSize;
 508                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 509                                                                                                         break;
 510                                                                                                 }
 511                                                                                                 case mmioFOURCC('I','S','B','J'):
 512                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 513                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 514                                                                                                         liMove.QuadPart = chunkSize;
 515                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 516                                                                                                         break;
 517                                                                                                 }
 518                                                                                                 case mmioFOURCC('I','C','M','T'):
 519                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 520                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 521                                                                                                         liMove.QuadPart = chunkSize;
 522                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 523                                                                                                         break;
 524                                                                                                 }
 525                                                                                                 default: {
 526                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 527                                                                                                         liMove.QuadPart = chunkSize;
 528                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 529                                                                                                         break;
 530                                                                                                 }
 531                                                                                         }
 532                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 533                                                                                 } while (ListCount[0] < ListSize[0]);
 534                                                                                 break;
 535                                                                         }
 536                                                                         default: {
 537                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 538                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 539                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 540                                                                                 break;
 541                                                                         }
 542                                                                 }
 543                                                                 break;
 544                                                         }
 545                                                         default: {
 546                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 547                                                                 liMove.QuadPart = chunkSize;
 548                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 549                                                                 break;
 550                                                         }
 551                                                 }
 552                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 553                                         } while (StreamCount < StreamSize);
 554                                         break;
 555                                 }
 556                                 default: {
 557                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 558                                         liMove.QuadPart = StreamSize;
 559                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 560                                         return E_FAIL;
 561                                 }
 562                         }
 563                         TRACE_(dmfile)(": reading finished\n");
 564                         break;
 565                 }
 566                 default: {
 567                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 568                         liMove.QuadPart = chunkSize;
 569                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 570                         return E_FAIL;
 571                 }
 572         }
 573
 574         return S_OK;
 575 }
 576
 577 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 578         return E_NOTIMPL;
 579 }
 580
 581 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 582         return E_NOTIMPL;
 583 }
 584
 585 ICOM_VTABLE(IPersistStream) DirectMusicGraph_PersistStream_Vtbl = {
 586     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 587         IDirectMusicGraphImpl_IPersistStream_QueryInterface,
 588         IDirectMusicGraphImpl_IPersistStream_AddRef,
 589         IDirectMusicGraphImpl_IPersistStream_Release,
 590         IDirectMusicGraphImpl_IPersistStream_GetClassID,
 591         IDirectMusicGraphImpl_IPersistStream_IsDirty,
 592         IDirectMusicGraphImpl_IPersistStream_Load,
 593         IDirectMusicGraphImpl_IPersistStream_Save,
 594         IDirectMusicGraphImpl_IPersistStream_GetSizeMax
 595 };
 596
 597 /* for ClassFactory */
 598 HRESULT WINAPI DMUSIC_CreateDirectMusicGraphImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 599   IDirectMusicGraphImpl* obj;
 600
 601   obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicGraphImpl));
 602   if (NULL == obj) {
 603     *ppobj = (LPVOID) NULL;
 604     return E_OUTOFMEMORY;
 605   }
 606   obj->UnknownVtbl = &DirectMusicGraph_Unknown_Vtbl;
 607   obj->GraphVtbl = &DirectMusicGraph_Graph_Vtbl;
 608   obj->ObjectVtbl = &DirectMusicGraph_Object_Vtbl;
 609   obj->PersistStreamVtbl = &DirectMusicGraph_PersistStream_Vtbl;
 610   obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 611   DM_STRUCT_INIT(obj->pDesc);
 612   obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 613   memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof (CLSID));
 614   obj->ref = 0; /* will be inited by QueryInterface */
 615   list_init (&obj->Tools);
 616
 617   return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 618 }