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
   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 "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 static 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                 IUnknown_AddRef (iface);
  36                 return S_OK;
  37         } else if (IsEqualIID (riid, &IID_IDirectMusicGraph)) {
  38                 *ppobj = (LPVOID)&This->GraphVtbl;
  39                 IUnknown_AddRef (iface);
  40                 return S_OK;
  41         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  42                 *ppobj = (LPVOID)&This->ObjectVtbl;
  43                 IUnknown_AddRef (iface);
  44                 return S_OK;
  45         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  46                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
  47                 IUnknown_AddRef (iface);
  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 static ULONG WINAPI IDirectMusicGraphImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  56         ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
  57         ULONG ref = InterlockedIncrement(&This->ref);
  58
  59         TRACE("(%p): AddRef from %d\n", This, ref - 1);
  60
  61         DMIME_LockModule();
  62
  63         return ref;
  64 }
  65
  66 static ULONG WINAPI IDirectMusicGraphImpl_IUnknown_Release (LPUNKNOWN iface) {
  67         ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
  68         ULONG ref = InterlockedDecrement(&This->ref);
  69         TRACE("(%p): ReleaseRef to %d\n", This, ref);
  70
  71         if (ref == 0) {
  72                 HeapFree(GetProcessHeap(), 0, This);
  73         }
  74
  75         DMIME_UnlockModule();
  76
  77         return ref;
  78 }
  79
  80 static const IUnknownVtbl DirectMusicGraph_Unknown_Vtbl = {
  81         IDirectMusicGraphImpl_IUnknown_QueryInterface,
  82         IDirectMusicGraphImpl_IUnknown_AddRef,
  83         IDirectMusicGraphImpl_IUnknown_Release
  84 };
  85
  86 /* IDirectMusicGraphImpl IDirectMusicGraph part: */
  87 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface (LPDIRECTMUSICGRAPH iface, REFIID riid, LPVOID *ppobj) {
  88         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  89         return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  90 }
  91
  92 static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_AddRef (LPDIRECTMUSICGRAPH iface) {
  93         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  94         return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  95 }
  96
  97 static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_Release (LPDIRECTMUSICGRAPH iface) {
  98         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  99         return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 100 }
 101
 102 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg (LPDIRECTMUSICGRAPH iface, DMUS_PMSG* pPMSG) {
 103         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 104         FIXME("(%p, %p): stub\n", This, pPMSG);
 105         return S_OK;
 106 }
 107
 108 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool, DWORD* pdwPChannels, DWORD cPChannels, LONG lIndex) {
 109   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 110
 111   HRESULT hr;
 112   struct list* pEntry = NULL;
 113   struct list* pPrevEntry = NULL;
 114   LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
 115   LPDMUS_PRIVATE_GRAPH_TOOL pNewTool = NULL;
 116
 117
 118   FIXME("(%p, %p, %p, %d, %i): use of pdwPChannels\n", This, pTool, pdwPChannels, cPChannels, lIndex);
 119
 120   if (NULL == pTool) {
 121     return E_POINTER;
 122   }
 123
 124   if (0 > lIndex) {
 125     lIndex = This->num_tools + lIndex;
 126   }
 127
 128   pPrevEntry = &This->Tools;
 129   LIST_FOR_EACH (pEntry, &This->Tools) {
 130     pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
 131     if (pIt->dwIndex == lIndex) {
 132       return DMUS_E_ALREADY_EXISTS;
 133     }
 134     if (pIt->dwIndex > lIndex) {
 135       break ;
 136     }
 137     pPrevEntry = pEntry;
 138   }
 139
 140   ++This->num_tools;
 141   pNewTool = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_GRAPH_TOOL));
 142   pNewTool->pTool = pTool;
 143   pNewTool->dwIndex = lIndex;
 144   IDirectMusicTool8_AddRef(pTool);
 145   hr = IDirectMusicTool8_Init(pTool, iface);
 146   list_add_tail (pPrevEntry->next, &pNewTool->entry);
 147
 148 #if 0
 149   DWORD dwNum = 0;
 150   hr = IDirectMusicTool8_GetMediaTypes(pTool, &dwNum);
 151 #endif
 152
 153   return DS_OK;
 154 }
 155
 156 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_GetTool (LPDIRECTMUSICGRAPH iface, DWORD dwIndex, IDirectMusicTool** ppTool) {
 157   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 158   struct list* pEntry = NULL;
 159   LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
 160
 161   FIXME("(%p, %d, %p): stub\n", This, dwIndex, ppTool);
 162
 163   LIST_FOR_EACH (pEntry, &This->Tools) {
 164     pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
 165     if (pIt->dwIndex == dwIndex) {
 166       *ppTool = pIt->pTool;
 167       if (NULL != *ppTool) {
 168         IDirectMusicTool8_AddRef((LPDIRECTMUSICTOOL8) *ppTool);
 169       }
 170       return S_OK;
 171     }
 172     if (pIt->dwIndex > dwIndex) {
 173       break ;
 174     }
 175   }
 176
 177   return DMUS_E_NOT_FOUND;
 178 }
 179
 180 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool) {
 181   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 182   FIXME("(%p, %p): stub\n", This, pTool);
 183   return S_OK;
 184 }
 185
 186 static const IDirectMusicGraphVtbl DirectMusicGraph_Graph_Vtbl = {
 187   IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface,
 188   IDirectMusicGraphImpl_IDirectMusicGraph_AddRef,
 189   IDirectMusicGraphImpl_IDirectMusicGraph_Release,
 190   IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg,
 191   IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool,
 192   IDirectMusicGraphImpl_IDirectMusicGraph_GetTool,
 193   IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool
 194 };
 195
 196
 197 /* IDirectMusicGraphImpl IDirectMusicObject part: */
 198 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 199         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 200         return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 201 }
 202
 203 static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 204         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 205         return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 206 }
 207
 208 static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 209         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 210         return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 211 }
 212
 213 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 214         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 215         TRACE("(%p, %p)\n", This, pDesc);
 216         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 217         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 218         return S_OK;
 219 }
 220
 221 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 222         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 223         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 224
 225         /* According to MSDN, we should copy only given values, not whole struct */
 226         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 227                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 228         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 229                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 230         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 231                 lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 232         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 233                 lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 234         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 235                 lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 236         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 237                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 238         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 239                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 240         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 241                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 242                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 243         }
 244         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 245                 /* according to MSDN, we copy the stream */
 246                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 247         }
 248
 249         /* add new flags */
 250         This->pDesc->dwValidData |= pDesc->dwValidData;
 251
 252         return S_OK;
 253 }
 254
 255 static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 256         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 257         DMUS_PRIVATE_CHUNK Chunk;
 258         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 259         LARGE_INTEGER liMove; /* used when skipping chunks */
 260
 261         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 262
 263         /* FIXME: should this be determined from stream? */
 264         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 265         memcpy (&pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof(CLSID));
 266
 267         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 268         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 269         switch (Chunk.fccID) {
 270                 case FOURCC_RIFF: {
 271                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 272                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 273                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 274                         StreamCount = 0;
 275                         if (Chunk.fccID == DMUS_FOURCC_TOOLGRAPH_FORM) {
 276                                 TRACE_(dmfile)(": graph form\n");
 277                                 do {
 278                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 279                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 280                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 281                                         switch (Chunk.fccID) {
 282                                                 case DMUS_FOURCC_GUID_CHUNK: {
 283                                                         TRACE_(dmfile)(": GUID chunk\n");
 284                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 285                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 286                                                         break;
 287                                                 }
 288                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 289                                                         TRACE_(dmfile)(": version chunk\n");
 290                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 291                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 292                                                         break;
 293                                                 }
 294                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 295                                                         TRACE_(dmfile)(": category chunk\n");
 296                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 297                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 298                                                         break;
 299                                                 }
 300                                                 case FOURCC_LIST: {
 301                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 302                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 303                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 304                                                         ListCount[0] = 0;
 305                                                         switch (Chunk.fccID) {
 306                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 307                                                                 case DMUS_FOURCC_UNFO_LIST: {
 308                                                                         TRACE_(dmfile)(": UNFO list\n");
 309                                                                         do {
 310                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 311                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 312                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 313                                                                                 switch (Chunk.fccID) {
 314                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 315                                              (though strings seem to be valid unicode) */
 316                                                                                         case mmioFOURCC('I','N','A','M'):
 317                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 318                                                                                                 TRACE_(dmfile)(": name chunk\n");
 319                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 320                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 321                                                                                                 break;
 322                                                                                         }
 323                                                                                         case mmioFOURCC('I','A','R','T'):
 324                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 325                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 326                                                                                                 liMove.QuadPart = Chunk.dwSize;
 327                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 328                                                                                                 break;
 329                                                                                         }
 330                                                                                         case mmioFOURCC('I','C','O','P'):
 331                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 332                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 333                                                                                                 liMove.QuadPart = Chunk.dwSize;
 334                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 335                                                                                                 break;
 336                                                                                         }
 337                                                                                         case mmioFOURCC('I','S','B','J'):
 338                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 339                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 340                                                                                                 liMove.QuadPart = Chunk.dwSize;
 341                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 342                                                                                                 break;
 343                                                                                         }
 344                                                                                         case mmioFOURCC('I','C','M','T'):
 345                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 346                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 347                                                                                                 liMove.QuadPart = Chunk.dwSize;
 348                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 349                                                                                                 break;
 350                                                                                         }
 351                                                                                         default: {
 352                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 353                                                                                                 liMove.QuadPart = Chunk.dwSize;
 354                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 355                                                                                                 break;
 356                                                                                         }
 357                                                                                 }
 358                                                                                 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 359                                                                         } while (ListCount[0] < ListSize[0]);
 360                                                                         break;
 361                                                                 }
 362                                                                 default: {
 363                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 364                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 365                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 366                                                                         break;
 367                                                                 }
 368                                                         }
 369                                                         break;
 370                                                 }
 371                                                 default: {
 372                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 373                                                         liMove.QuadPart = Chunk.dwSize;
 374                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 375                                                         break;
 376                                                 }
 377                                         }
 378                                         TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 379                                 } while (StreamCount < StreamSize);
 380                         } else {
 381                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 382                                 liMove.QuadPart = StreamSize;
 383                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 384                                 return E_FAIL;
 385                         }
 386
 387                         TRACE_(dmfile)(": reading finished\n");
 388                         break;
 389                 }
 390                 default: {
 391                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 392                         liMove.QuadPart = Chunk.dwSize;
 393                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 394                         return DMUS_E_INVALIDFILE;
 395                 }
 396         }
 397
 398         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 399
 400         return S_OK;
 401 }
 402
 403 static const IDirectMusicObjectVtbl DirectMusicGraph_Object_Vtbl = {
 404         IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface,
 405         IDirectMusicGraphImpl_IDirectMusicObject_AddRef,
 406         IDirectMusicGraphImpl_IDirectMusicObject_Release,
 407         IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor,
 408         IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor,
 409         IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor
 410 };
 411
 412 /* IDirectMusicGraphImpl IPersistStream part: */
 413 static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 414         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 415         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 416 }
 417
 418 static ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 419         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 420         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 421 }
 422
 423 static ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 424         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 425         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 426 }
 427
 428 static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 429         return E_NOTIMPL;
 430 }
 431
 432 static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 433         return E_NOTIMPL;
 434 }
 435
 436 static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 437         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 438         FOURCC chunkID;
 439         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 440         LARGE_INTEGER liMove; /* used when skipping chunks */
 441
 442         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 443         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 444         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 445         TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 446         switch (chunkID) {
 447                 case FOURCC_RIFF: {
 448                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 449                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 450                         StreamSize = chunkSize - sizeof(FOURCC);
 451                         StreamCount = 0;
 452                         switch (chunkID) {
 453                                 case DMUS_FOURCC_TOOLGRAPH_FORM: {
 454                                         TRACE_(dmfile)(": graph form\n");
 455                                         do {
 456                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 457                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 458                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 459                                                 TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 460                                                 switch (chunkID) {
 461                                                         case DMUS_FOURCC_GUID_CHUNK: {
 462                                                                 TRACE_(dmfile)(": GUID chunk\n");
 463                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 464                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 465                                                                 break;
 466                                                         }
 467                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 468                                                                 TRACE_(dmfile)(": version chunk\n");
 469                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 470                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 471                                                                 break;
 472                                                         }
 473                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 474                                                                 TRACE_(dmfile)(": category chunk\n");
 475                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 476                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 477                                                                 break;
 478                                                         }
 479                                                         case FOURCC_LIST: {
 480                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 481                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 482                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 483                                                                 ListCount[0] = 0;
 484                                                                 switch (chunkID) {
 485                                                                         case DMUS_FOURCC_UNFO_LIST: {
 486                                                                                 TRACE_(dmfile)(": UNFO list\n");
 487                                                                                 do {
 488                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 489                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 490                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 491                                                                                         TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 492                                                                                         switch (chunkID) {
 493                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 494                                               (though strings seem to be valid unicode) */
 495                                                                                                 case mmioFOURCC('I','N','A','M'):
 496                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 497                                                                                                         TRACE_(dmfile)(": name chunk\n");
 498                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 499                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 500                                                                                                         break;
 501                                                                                                 }
 502                                                                                                 case mmioFOURCC('I','A','R','T'):
 503                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 504                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 505                                                                                                         liMove.QuadPart = chunkSize;
 506                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 507                                                                                                         break;
 508                                                                                                 }
 509                                                                                                 case mmioFOURCC('I','C','O','P'):
 510                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 511                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 512                                                                                                         liMove.QuadPart = chunkSize;
 513                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 514                                                                                                         break;
 515                                                                                                 }
 516                                                                                                 case mmioFOURCC('I','S','B','J'):
 517                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 518                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 519                                                                                                         liMove.QuadPart = chunkSize;
 520                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 521                                                                                                         break;
 522                                                                                                 }
 523                                                                                                 case mmioFOURCC('I','C','M','T'):
 524                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 525                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 526                                                                                                         liMove.QuadPart = chunkSize;
 527                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 528                                                                                                         break;
 529                                                                                                 }
 530                                                                                                 default: {
 531                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 532                                                                                                         liMove.QuadPart = chunkSize;
 533                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 534                                                                                                         break;
 535                                                                                                 }
 536                                                                                         }
 537                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 538                                                                                 } while (ListCount[0] < ListSize[0]);
 539                                                                                 break;
 540                                                                         }
 541                                                                         default: {
 542                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 543                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 544                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 545                                                                                 break;
 546                                                                         }
 547                                                                 }
 548                                                                 break;
 549                                                         }
 550                                                         default: {
 551                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 552                                                                 liMove.QuadPart = chunkSize;
 553                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 554                                                                 break;
 555                                                         }
 556                                                 }
 557                                                 TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 558                                         } while (StreamCount < StreamSize);
 559                                         break;
 560                                 }
 561                                 default: {
 562                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 563                                         liMove.QuadPart = StreamSize;
 564                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 565                                         return E_FAIL;
 566                                 }
 567                         }
 568                         TRACE_(dmfile)(": reading finished\n");
 569                         break;
 570                 }
 571                 default: {
 572                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 573                         liMove.QuadPart = chunkSize;
 574                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 575                         return E_FAIL;
 576                 }
 577         }
 578
 579         return S_OK;
 580 }
 581
 582 static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 583         return E_NOTIMPL;
 584 }
 585
 586 static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 587         return E_NOTIMPL;
 588 }
 589
 590 static const IPersistStreamVtbl DirectMusicGraph_PersistStream_Vtbl = {
 591         IDirectMusicGraphImpl_IPersistStream_QueryInterface,
 592         IDirectMusicGraphImpl_IPersistStream_AddRef,
 593         IDirectMusicGraphImpl_IPersistStream_Release,
 594         IDirectMusicGraphImpl_IPersistStream_GetClassID,
 595         IDirectMusicGraphImpl_IPersistStream_IsDirty,
 596         IDirectMusicGraphImpl_IPersistStream_Load,
 597         IDirectMusicGraphImpl_IPersistStream_Save,
 598         IDirectMusicGraphImpl_IPersistStream_GetSizeMax
 599 };
 600
 601 /* for ClassFactory */
 602 HRESULT WINAPI DMUSIC_CreateDirectMusicGraphImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 603   IDirectMusicGraphImpl* obj;
 604
 605   obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicGraphImpl));
 606   if (NULL == obj) {
 607     *ppobj = NULL;
 608     return E_OUTOFMEMORY;
 609   }
 610   obj->UnknownVtbl = &DirectMusicGraph_Unknown_Vtbl;
 611   obj->GraphVtbl = &DirectMusicGraph_Graph_Vtbl;
 612   obj->ObjectVtbl = &DirectMusicGraph_Object_Vtbl;
 613   obj->PersistStreamVtbl = &DirectMusicGraph_PersistStream_Vtbl;
 614   obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 615   DM_STRUCT_INIT(obj->pDesc);
 616   obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 617   memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof (CLSID));
 618   obj->ref = 0; /* will be inited by QueryInterface */
 619   list_init (&obj->Tools);
 620
 621   return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 622 }