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 IUnknownVtbl DirectMusicGraph_Unknown_Vtbl = {
  72         IDirectMusicGraphImpl_IUnknown_QueryInterface,
  73         IDirectMusicGraphImpl_IUnknown_AddRef,
  74         IDirectMusicGraphImpl_IUnknown_Release
  75 };
  76
  77 /* IDirectMusicGraphImpl IDirectMusicGraph part: */
  78 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface (LPDIRECTMUSICGRAPH iface, REFIID riid, LPVOID *ppobj) {
  79         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  80         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  81 }
  82
  83 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_AddRef (LPDIRECTMUSICGRAPH iface) {
  84         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  85         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  86 }
  87
  88 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_Release (LPDIRECTMUSICGRAPH iface) {
  89         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  90         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  91 }
  92
  93 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg (LPDIRECTMUSICGRAPH iface, DMUS_PMSG* pPMSG) {
  94         ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
  95         FIXME("(%p, %p): stub\n", This, pPMSG);
  96         return S_OK;
  97 }
  98
  99 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool, DWORD* pdwPChannels, DWORD cPChannels, LONG lIndex) {
 100   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 101
 102   HRESULT hr;
 103   struct list* pEntry = NULL;
 104   struct list* pPrevEntry = NULL;
 105   LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
 106   LPDMUS_PRIVATE_GRAPH_TOOL pNewTool = NULL;
 107
 108
 109   FIXME("(%p, %p, %p, %ld, %li): use of pdwPChannels\n", This, pTool, pdwPChannels, cPChannels, lIndex);
 110
 111   if (NULL == pTool) {
 112     return E_POINTER;
 113   }
 114
 115   if (0 > lIndex) {
 116     lIndex = This->num_tools + lIndex;
 117   }
 118
 119   pPrevEntry = &This->Tools;
 120   LIST_FOR_EACH (pEntry, &This->Tools) {
 121     pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
 122     if (pIt->dwIndex == lIndex) {
 123       return DMUS_E_ALREADY_EXISTS;
 124     }
 125     if (pIt->dwIndex > lIndex) {
 126       break ;
 127     }
 128     pPrevEntry = pEntry;
 129   }
 130
 131   ++This->num_tools;
 132   pNewTool = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_GRAPH_TOOL));
 133   pNewTool->pTool = pTool;
 134   pNewTool->dwIndex = lIndex;
 135   IDirectMusicTool8_AddRef(pTool);
 136   hr = IDirectMusicTool8_Init(pTool, iface);
 137   list_add_tail (pPrevEntry->next, &pNewTool->entry);
 138
 139 #if 0
 140   DWORD dwNum = 0;
 141   hr = IDirectMusicTool8_GetMediaTypes(pTool, &dwNum);
 142 #endif
 143
 144   return DS_OK;
 145 }
 146
 147 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_GetTool (LPDIRECTMUSICGRAPH iface, DWORD dwIndex, IDirectMusicTool** ppTool) {
 148   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 149   struct list* pEntry = NULL;
 150   LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
 151
 152   FIXME("(%p, %ld, %p): stub\n", This, dwIndex, ppTool);
 153
 154   LIST_FOR_EACH (pEntry, &This->Tools) {
 155     pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
 156     if (pIt->dwIndex == dwIndex) {
 157       *ppTool = pIt->pTool;
 158       if (NULL != *ppTool) {
 159         IDirectMusicTool8Impl_AddRef((LPDIRECTMUSICTOOL8) *ppTool);
 160       }
 161       return S_OK;
 162     }
 163     if (pIt->dwIndex > dwIndex) {
 164       break ;
 165     }
 166   }
 167
 168   return DMUS_E_NOT_FOUND;
 169 }
 170
 171 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool) {
 172   ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
 173   FIXME("(%p, %p): stub\n", This, pTool);
 174   return S_OK;
 175 }
 176
 177 IDirectMusicGraphVtbl DirectMusicGraph_Graph_Vtbl = {
 178   IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface,
 179   IDirectMusicGraphImpl_IDirectMusicGraph_AddRef,
 180   IDirectMusicGraphImpl_IDirectMusicGraph_Release,
 181   IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg,
 182   IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool,
 183   IDirectMusicGraphImpl_IDirectMusicGraph_GetTool,
 184   IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool
 185 };
 186
 187
 188 /* IDirectMusicGraphImpl IDirectMusicObject part: */
 189 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 190         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 191         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 192 }
 193
 194 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 195         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 196         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 197 }
 198
 199 ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 200         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 201         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 202 }
 203
 204 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 205         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 206         TRACE("(%p, %p)\n", This, pDesc);
 207         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 208         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 209         return S_OK;
 210 }
 211
 212 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 213         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 214         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 215
 216         /* According to MSDN, we should copy only given values, not whole struct */
 217         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 218                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 219         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 220                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 221         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 222                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 223         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 224                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 225         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 226                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 227         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 228                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 229         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 230                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 231         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 232                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 233                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 234         }
 235         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 236                 /* according to MSDN, we copy the stream */
 237                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 238         }
 239
 240         /* add new flags */
 241         This->pDesc->dwValidData |= pDesc->dwValidData;
 242
 243         return S_OK;
 244 }
 245
 246 HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 247         ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
 248         DMUS_PRIVATE_CHUNK Chunk;
 249         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 250         LARGE_INTEGER liMove; /* used when skipping chunks */
 251
 252         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 253
 254         /* FIXME: should this be determined from stream? */
 255         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 256         memcpy (&pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof(CLSID));
 257
 258         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 259         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 260         switch (Chunk.fccID) {
 261                 case FOURCC_RIFF: {
 262                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 263                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 264                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 265                         StreamCount = 0;
 266                         if (Chunk.fccID == DMUS_FOURCC_TOOLGRAPH_FORM) {
 267                                 TRACE_(dmfile)(": graph form\n");
 268                                 do {
 269                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 270                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 271                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 272                                         switch (Chunk.fccID) {
 273                                                 case DMUS_FOURCC_GUID_CHUNK: {
 274                                                         TRACE_(dmfile)(": GUID chunk\n");
 275                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 276                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 277                                                         break;
 278                                                 }
 279                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 280                                                         TRACE_(dmfile)(": version chunk\n");
 281                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 282                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 283                                                         break;
 284                                                 }
 285                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 286                                                         TRACE_(dmfile)(": category chunk\n");
 287                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 288                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 289                                                         break;
 290                                                 }
 291                                                 case FOURCC_LIST: {
 292                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 293                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 294                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 295                                                         ListCount[0] = 0;
 296                                                         switch (Chunk.fccID) {
 297                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 298                                                                 case DMUS_FOURCC_UNFO_LIST: {
 299                                                                         TRACE_(dmfile)(": UNFO list\n");
 300                                                                         do {
 301                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 302                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 303                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 304                                                                                 switch (Chunk.fccID) {
 305                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 306                                              (though strings seem to be valid unicode) */
 307                                                                                         case mmioFOURCC('I','N','A','M'):
 308                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 309                                                                                                 TRACE_(dmfile)(": name chunk\n");
 310                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 311                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 312                                                                                                 break;
 313                                                                                         }
 314                                                                                         case mmioFOURCC('I','A','R','T'):
 315                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 316                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 317                                                                                                 liMove.QuadPart = Chunk.dwSize;
 318                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 319                                                                                                 break;
 320                                                                                         }
 321                                                                                         case mmioFOURCC('I','C','O','P'):
 322                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 323                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 324                                                                                                 liMove.QuadPart = Chunk.dwSize;
 325                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 326                                                                                                 break;
 327                                                                                         }
 328                                                                                         case mmioFOURCC('I','S','B','J'):
 329                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 330                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 331                                                                                                 liMove.QuadPart = Chunk.dwSize;
 332                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 333                                                                                                 break;
 334                                                                                         }
 335                                                                                         case mmioFOURCC('I','C','M','T'):
 336                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 337                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 338                                                                                                 liMove.QuadPart = Chunk.dwSize;
 339                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 340                                                                                                 break;
 341                                                                                         }
 342                                                                                         default: {
 343                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 344                                                                                                 liMove.QuadPart = Chunk.dwSize;
 345                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 346                                                                                                 break;
 347                                                                                         }
 348                                                                                 }
 349                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 350                                                                         } while (ListCount[0] < ListSize[0]);
 351                                                                         break;
 352                                                                 }
 353                                                                 default: {
 354                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 355                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 356                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 357                                                                         break;
 358                                                                 }
 359                                                         }
 360                                                         break;
 361                                                 }
 362                                                 default: {
 363                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 364                                                         liMove.QuadPart = Chunk.dwSize;
 365                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 366                                                         break;
 367                                                 }
 368                                         }
 369                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 370                                 } while (StreamCount < StreamSize);
 371                                 break;
 372                         } else {
 373                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 374                                 liMove.QuadPart = StreamSize;
 375                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 376                                 return E_FAIL;
 377                         }
 378
 379                         TRACE_(dmfile)(": reading finished\n");
 380                         break;
 381                 }
 382                 default: {
 383                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 384                         liMove.QuadPart = Chunk.dwSize;
 385                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 386                         return DMUS_E_INVALIDFILE;
 387                 }
 388         }
 389
 390         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 391
 392         return S_OK;
 393 }
 394
 395 IDirectMusicObjectVtbl DirectMusicGraph_Object_Vtbl = {
 396         IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface,
 397         IDirectMusicGraphImpl_IDirectMusicObject_AddRef,
 398         IDirectMusicGraphImpl_IDirectMusicObject_Release,
 399         IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor,
 400         IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor,
 401         IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor
 402 };
 403
 404 /* IDirectMusicGraphImpl IPersistStream part: */
 405 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 406         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 407         return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 408 }
 409
 410 ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 411         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 412         return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 413 }
 414
 415 ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 416         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 417         return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 418 }
 419
 420 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 421         return E_NOTIMPL;
 422 }
 423
 424 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 425         return E_NOTIMPL;
 426 }
 427
 428 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 429         ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
 430         FOURCC chunkID;
 431         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 432         LARGE_INTEGER liMove; /* used when skipping chunks */
 433
 434         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 435         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 436         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 437         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 438         switch (chunkID) {
 439                 case FOURCC_RIFF: {
 440                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 441                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 442                         StreamSize = chunkSize - sizeof(FOURCC);
 443                         StreamCount = 0;
 444                         switch (chunkID) {
 445                                 case DMUS_FOURCC_TOOLGRAPH_FORM: {
 446                                         TRACE_(dmfile)(": graph form\n");
 447                                         do {
 448                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 449                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 450                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 451                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 452                                                 switch (chunkID) {
 453                                                         case DMUS_FOURCC_GUID_CHUNK: {
 454                                                                 TRACE_(dmfile)(": GUID chunk\n");
 455                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 456                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 457                                                                 break;
 458                                                         }
 459                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 460                                                                 TRACE_(dmfile)(": version chunk\n");
 461                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 462                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 463                                                                 break;
 464                                                         }
 465                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 466                                                                 TRACE_(dmfile)(": category chunk\n");
 467                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 468                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 469                                                                 break;
 470                                                         }
 471                                                         case FOURCC_LIST: {
 472                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 473                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 474                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 475                                                                 ListCount[0] = 0;
 476                                                                 switch (chunkID) {
 477                                                                         case DMUS_FOURCC_UNFO_LIST: {
 478                                                                                 TRACE_(dmfile)(": UNFO list\n");
 479                                                                                 do {
 480                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 481                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 482                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 483                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 484                                                                                         switch (chunkID) {
 485                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 486                                               (though strings seem to be valid unicode) */
 487                                                                                                 case mmioFOURCC('I','N','A','M'):
 488                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 489                                                                                                         TRACE_(dmfile)(": name chunk\n");
 490                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 491                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 492                                                                                                         break;
 493                                                                                                 }
 494                                                                                                 case mmioFOURCC('I','A','R','T'):
 495                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 496                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 497                                                                                                         liMove.QuadPart = chunkSize;
 498                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 499                                                                                                         break;
 500                                                                                                 }
 501                                                                                                 case mmioFOURCC('I','C','O','P'):
 502                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 503                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 504                                                                                                         liMove.QuadPart = chunkSize;
 505                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 506                                                                                                         break;
 507                                                                                                 }
 508                                                                                                 case mmioFOURCC('I','S','B','J'):
 509                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 510                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 511                                                                                                         liMove.QuadPart = chunkSize;
 512                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 513                                                                                                         break;
 514                                                                                                 }
 515                                                                                                 case mmioFOURCC('I','C','M','T'):
 516                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 517                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 518                                                                                                         liMove.QuadPart = chunkSize;
 519                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 520                                                                                                         break;
 521                                                                                                 }
 522                                                                                                 default: {
 523                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 524                                                                                                         liMove.QuadPart = chunkSize;
 525                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 526                                                                                                         break;
 527                                                                                                 }
 528                                                                                         }
 529                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 530                                                                                 } while (ListCount[0] < ListSize[0]);
 531                                                                                 break;
 532                                                                         }
 533                                                                         default: {
 534                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 535                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 536                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 537                                                                                 break;
 538                                                                         }
 539                                                                 }
 540                                                                 break;
 541                                                         }
 542                                                         default: {
 543                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 544                                                                 liMove.QuadPart = chunkSize;
 545                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 546                                                                 break;
 547                                                         }
 548                                                 }
 549                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 550                                         } while (StreamCount < StreamSize);
 551                                         break;
 552                                 }
 553                                 default: {
 554                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 555                                         liMove.QuadPart = StreamSize;
 556                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 557                                         return E_FAIL;
 558                                 }
 559                         }
 560                         TRACE_(dmfile)(": reading finished\n");
 561                         break;
 562                 }
 563                 default: {
 564                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 565                         liMove.QuadPart = chunkSize;
 566                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 567                         return E_FAIL;
 568                 }
 569         }
 570
 571         return S_OK;
 572 }
 573
 574 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 575         return E_NOTIMPL;
 576 }
 577
 578 HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 579         return E_NOTIMPL;
 580 }
 581
 582 IPersistStreamVtbl DirectMusicGraph_PersistStream_Vtbl = {
 583         IDirectMusicGraphImpl_IPersistStream_QueryInterface,
 584         IDirectMusicGraphImpl_IPersistStream_AddRef,
 585         IDirectMusicGraphImpl_IPersistStream_Release,
 586         IDirectMusicGraphImpl_IPersistStream_GetClassID,
 587         IDirectMusicGraphImpl_IPersistStream_IsDirty,
 588         IDirectMusicGraphImpl_IPersistStream_Load,
 589         IDirectMusicGraphImpl_IPersistStream_Save,
 590         IDirectMusicGraphImpl_IPersistStream_GetSizeMax
 591 };
 592
 593 /* for ClassFactory */
 594 HRESULT WINAPI DMUSIC_CreateDirectMusicGraphImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 595   IDirectMusicGraphImpl* obj;
 596
 597   obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicGraphImpl));
 598   if (NULL == obj) {
 599     *ppobj = NULL;
 600     return E_OUTOFMEMORY;
 601   }
 602   obj->UnknownVtbl = &DirectMusicGraph_Unknown_Vtbl;
 603   obj->GraphVtbl = &DirectMusicGraph_Graph_Vtbl;
 604   obj->ObjectVtbl = &DirectMusicGraph_Object_Vtbl;
 605   obj->PersistStreamVtbl = &DirectMusicGraph_PersistStream_Vtbl;
 606   obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 607   DM_STRUCT_INIT(obj->pDesc);
 608   obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 609   memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicGraph, sizeof (CLSID));
 610   obj->ref = 0; /* will be inited by QueryInterface */
 611   list_init (&obj->Tools);
 612
 613   return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 614 }