git.oblomov.eu Git - wine/blob - dlls/dmloader/container.c

   1 /* IDirectMusicContainerImpl
   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 "dmloader_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24 WINE_DECLARE_DEBUG_CHANNEL(dmdump);
  25
  26 #define DMUS_MAX_CATEGORY_SIZE DMUS_MAX_CATEGORY*sizeof(WCHAR)
  27 #define DMUS_MAX_NAME_SIZE     DMUS_MAX_NAME*sizeof(WCHAR)
  28 #define DMUS_MAX_FILENAME_SIZE DMUS_MAX_FILENAME*sizeof(WCHAR)
  29
  30 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface);
  31 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface);
  32 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface);
  33
  34 /*****************************************************************************
  35  * IDirectMusicContainerImpl implementation
  36  */
  37 /* IUnknown/IDirectMusicContainer part: */
  38
  39 static HRESULT DMUSIC_DestroyDirectMusicContainerImpl (LPDIRECTMUSICCONTAINER iface) {
  40         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
  41         LPDIRECTMUSICLOADER pLoader;
  42         LPDIRECTMUSICGETLOADER pGetLoader;
  43         struct list *pEntry;
  44         LPWINE_CONTAINER_ENTRY pContainedObject;
  45
  46         /* get loader (from stream we loaded from) */
  47         TRACE(": getting loader\n");
  48         IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
  49         IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
  50         IDirectMusicGetLoader_Release (pGetLoader);
  51
  52         /* release objects from loader's cache (if appropriate) */
  53         TRACE(": releasing objects from loader's cache\n");
  54         LIST_FOR_EACH (pEntry, This->pContainedObjects) {
  55                 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
  56                 /* my tests indicate that container releases objects *only*
  57                    if they were loaded at its load-time (makes sense, it doesn't
  58                    have pointers to objects otherwise); BTW: native container seems
  59                    to ignore the flags (I won't) */
  60                 if (pContainedObject->pObject && !(pContainedObject->dwFlags & DMUS_CONTAINED_OBJF_KEEP)) {
  61                         /* flags say it shouldn't be kept in loader's cache */
  62                         IDirectMusicLoader_ReleaseObject (pLoader, pContainedObject->pObject);
  63                 }
  64         }
  65         IDirectMusicLoader_Release (pLoader);
  66
  67         /* release stream we loaded from */
  68         IStream_Release (This->pStream);
  69
  70         /* FIXME: release allocated entries */
  71
  72         /* decrease number of instances */
  73         InterlockedDecrement (&dwDirectMusicContainer);
  74
  75         return S_OK;
  76 }
  77
  78 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface, REFIID riid, LPVOID *ppobj) {
  79         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
  80
  81         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  82         if (IsEqualIID (riid, &IID_IUnknown) ||
  83                 IsEqualIID (riid, &IID_IDirectMusicContainer)) {
  84                 *ppobj = &This->ContainerVtbl;
  85                 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
  86                 return S_OK;
  87         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  88                 *ppobj = &This->ObjectVtbl;
  89                 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
  90                 return S_OK;
  91         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  92                 *ppobj = &This->PersistStreamVtbl;
  93                 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  94                 return S_OK;
  95         }
  96
  97         WARN(": not found\n");
  98         return E_NOINTERFACE;
  99 }
 100
 101 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface) {
 102         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
 103         TRACE("(%p): AddRef from %d\n", This, This->dwRef);
 104         return InterlockedIncrement (&This->dwRef);
 105 }
 106
 107 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface) {
 108         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
 109
 110         DWORD dwRef = InterlockedDecrement (&This->dwRef);
 111         TRACE("(%p): ReleaseRef to %d\n", This, dwRef);
 112         if (dwRef == 0) {
 113                 DMUSIC_DestroyDirectMusicContainerImpl (iface);
 114                 HeapFree(GetProcessHeap(), 0, This);
 115         }
 116
 117         return dwRef;
 118 }
 119
 120 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc, WCHAR* pwszAlias) {
 121         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
 122         struct list *pEntry;
 123         LPWINE_CONTAINER_ENTRY pContainedObject;
 124         DWORD dwCount = 0;
 125
 126         TRACE("(%p, %s, %d, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
 127
 128         if (!pDesc)
 129                 return E_POINTER;
 130         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 131                 ERR(": invalid pDesc->dwSize %d\n", pDesc->dwSize);
 132                 return E_INVALIDARG;
 133         }
 134
 135         DM_STRUCT_INIT(pDesc);
 136
 137         LIST_FOR_EACH (pEntry, This->pContainedObjects) {
 138                 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
 139
 140                 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
 141                         if (dwCount == dwIndex) {
 142                                 HRESULT result = S_OK;
 143                                 if (pwszAlias) {
 144                                         lstrcpynW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
 145                                         if (strlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
 146                                                 result = DMUS_S_STRING_TRUNCATED;
 147                                 }
 148                                 *pDesc = pContainedObject->Desc;
 149                                 return result;
 150                         }
 151                         dwCount++;
 152                 }
 153         }
 154
 155         TRACE(": not found\n");
 156         return S_FALSE;
 157 }
 158
 159 static const IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl = {
 160         IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface,
 161         IDirectMusicContainerImpl_IDirectMusicContainer_AddRef,
 162         IDirectMusicContainerImpl_IDirectMusicContainer_Release,
 163         IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
 164 };
 165
 166 /* IDirectMusicObject part: */
 167 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 168         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 169         return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
 170 }
 171
 172 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 173         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 174         return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 175 }
 176
 177 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 178         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 179         return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 180 }
 181
 182 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 183         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 184         TRACE("(%p, %p):\n", This, pDesc);
 185
 186         /* check if we can write to whole pDesc */
 187         if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
 188                 ERR(": pDesc->dwSize bad read pointer\n");
 189                 return E_POINTER;
 190         }
 191         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 192                 ERR(": invalid pDesc->dwSize\n");
 193                 return E_INVALIDARG;
 194         }
 195         if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
 196                 ERR(": pDesc bad write pointer\n");
 197                 return E_POINTER;
 198         }
 199
 200         DM_STRUCT_INIT(pDesc);
 201         *pDesc = This->Desc;
 202
 203         return S_OK;
 204 }
 205
 206 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 207         DWORD dwNewFlags = 0;
 208         DWORD dwFlagDifference;
 209         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 210         TRACE("(%p, %p):\n", This, pDesc);
 211
 212         /* check if we can read whole pDesc */
 213         if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
 214                 ERR(": pDesc->dwSize bad read pointer\n");
 215                 return E_POINTER;
 216         }
 217         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 218                 ERR(": invalid pDesc->dwSize\n");
 219                 return E_INVALIDARG;
 220         }
 221         if (IsBadReadPtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
 222                 ERR(": pDesc bad read pointer\n");
 223                 return E_POINTER;
 224         }
 225
 226         if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
 227                 This->Desc.guidObject = pDesc->guidObject;
 228                 dwNewFlags |= DMUS_OBJ_OBJECT;
 229         }
 230         if (pDesc->dwValidData & DMUS_OBJ_NAME) {
 231                 lstrcpynW (This->Desc.wszName, pDesc->wszName, DMUS_MAX_NAME);
 232                 dwNewFlags |= DMUS_OBJ_NAME;
 233         }
 234         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) {
 235                 lstrcpynW (This->Desc.wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 236                 dwNewFlags |= DMUS_OBJ_CATEGORY;
 237         }
 238         if (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) {
 239                 lstrcpynW (This->Desc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 240                 dwNewFlags |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
 241         }
 242         if (pDesc->dwValidData & DMUS_OBJ_VERSION) {
 243                 This->Desc.vVersion.dwVersionLS = pDesc->vVersion.dwVersionLS;
 244                 This->Desc.vVersion.dwVersionMS = pDesc->vVersion.dwVersionMS;
 245                 dwNewFlags |= DMUS_OBJ_VERSION;
 246         }
 247         if (pDesc->dwValidData & DMUS_OBJ_DATE) {
 248                 This->Desc.ftDate.dwHighDateTime = pDesc->ftDate.dwHighDateTime;
 249                 This->Desc.ftDate.dwLowDateTime = pDesc->ftDate.dwLowDateTime;
 250                 dwNewFlags |= DMUS_OBJ_DATE;
 251         }
 252         /* set new flags */
 253         This->Desc.dwValidData |= dwNewFlags;
 254
 255         dwFlagDifference = pDesc->dwValidData - dwNewFlags;
 256         if (dwFlagDifference) {
 257                 pDesc->dwValidData &= ~dwFlagDifference; /* and with bitwise complement */
 258                 return S_FALSE;
 259         } else return S_OK;
 260 }
 261
 262 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 263         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 264         WINE_CHUNK Chunk;
 265         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 266         LARGE_INTEGER liMove; /* used when skipping chunks */
 267
 268         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 269
 270         /* check whether arguments are OK */
 271         if (IsBadReadPtr (pStream, sizeof(LPVOID))) {
 272                 ERR(": pStream bad read pointer\n");
 273                 return E_POINTER;
 274         }
 275         /* check whether pDesc is OK */
 276         if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
 277                 ERR(": pDesc->dwSize bad read pointer\n");
 278                 return E_POINTER;
 279         }
 280         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 281                 ERR(": invalid pDesc->dwSize\n");
 282                 return E_INVALIDARG;
 283         }
 284         if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
 285                 ERR(": pDesc bad write pointer\n");
 286                 return E_POINTER;
 287         }
 288
 289         DM_STRUCT_INIT(pDesc);
 290
 291         /* here we go... */
 292         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 293         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 294         switch (Chunk.fccID) {
 295                 case FOURCC_RIFF: {
 296                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 297                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 298                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 299                         StreamCount = 0;
 300                         if (Chunk.fccID == DMUS_FOURCC_CONTAINER_FORM) {
 301                                 TRACE_(dmfile)(": container form\n");
 302                                 /* set guidClass */
 303                                 pDesc->dwValidData |= DMUS_OBJ_CLASS;
 304                                 pDesc->guidClass = CLSID_DirectMusicContainer;
 305                                 do {
 306                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 307                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 308                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 309                                         switch (Chunk.fccID) {
 310                                                 case DMUS_FOURCC_GUID_CHUNK: {
 311                                                         TRACE_(dmfile)(": GUID chunk\n");
 312                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 313                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 314                                                         TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&pDesc->guidObject));
 315                                                         break;
 316                                                 }
 317                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 318                                                         TRACE_(dmfile)(": version chunk\n");
 319                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 320                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 321                                                         TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&pDesc->vVersion));
 322                                                         break;
 323                                                 }
 324                                                 case DMUS_FOURCC_DATE_CHUNK: {
 325                                                         TRACE_(dmfile)(": date chunk\n");
 326                                                         IStream_Read (pStream, &pDesc->ftDate, Chunk.dwSize, NULL);
 327                                                         pDesc->dwValidData |= DMUS_OBJ_DATE;
 328                                                         TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&pDesc->ftDate));
 329                                                         break;
 330                                                 }
 331                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 332                                                         TRACE_(dmfile)(": category chunk\n");
 333                                                         /* if it happens that string is too long,
 334                                                            read what we can and skip the rest*/
 335                                                         if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
 336                                                                 IStream_Read (pStream, pDesc->wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
 337                                                                 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
 338                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 339                                                         } else {
 340                                                                 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 341                                                         }
 342                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 343                                                         TRACE_(dmdump)(": category: %s\n", debugstr_w(pDesc->wszCategory));
 344                                                         break;
 345                                                 }
 346                                                 case FOURCC_LIST: {
 347                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 348                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 349                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 350                                                         ListCount[0] = 0;
 351                                                         switch (Chunk.fccID) {
 352                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 353                                                                 case DMUS_FOURCC_UNFO_LIST: {
 354                                                                         TRACE_(dmfile)(": UNFO list\n");
 355                                                                         do {
 356                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 357                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 358                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 359                                                                                 switch (Chunk.fccID) {
 360                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 361                                              (though strings seem to be valid unicode) */
 362                                                                                         case mmioFOURCC('I','N','A','M'):
 363                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 364                                                                                                 TRACE_(dmfile)(": name chunk\n");
 365                                                                                                 /* if it happens that string is too long,
 366                                                                                                            read what we can and skip the rest*/
 367                                                                                                 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
 368                                                                                                         IStream_Read (pStream, pDesc->wszName, DMUS_MAX_NAME_SIZE, NULL);
 369                                                                                                         liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
 370                                                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 371                                                                                                 } else {
 372                                                                                                         IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 373                                                                                                 }
 374                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 375                                                                                                 TRACE_(dmdump)(": name: %s\n", debugstr_w(pDesc->wszName));
 376                                                                                                 break;
 377                                                                                         }
 378                                                                                         default: {
 379                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 380                                                                                                 liMove.QuadPart = Chunk.dwSize;
 381                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 382                                                                                                 break;
 383                                                                                         }
 384                                                                                 }
 385                                                                                 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
 386                                                                         } while (ListCount[0] < ListSize[0]);
 387                                                                         break;
 388                                                                 }
 389                                                                 default: {
 390                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 391                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 392                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 393                                                                         break;
 394                                                                 }
 395                                                         }
 396                                                         break;
 397                                                 }
 398                                                 default: {
 399                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 400                                                         liMove.QuadPart = Chunk.dwSize;
 401                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 402                                                         break;
 403                                                 }
 404                                         }
 405                                         TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
 406                                 } while (StreamCount < StreamSize);
 407                         } else {
 408                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 409                                 liMove.QuadPart = StreamSize;
 410                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 411                                 return E_FAIL;
 412                         }
 413
 414                         TRACE_(dmfile)(": reading finished\n");
 415                         break;
 416                 }
 417                 default: {
 418                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 419                         liMove.QuadPart = Chunk.dwSize;
 420                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 421                         return DMUS_E_INVALIDFILE;
 422                 }
 423         }
 424
 425         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
 426         return S_OK;
 427 }
 428
 429 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
 430         IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
 431         IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
 432         IDirectMusicContainerImpl_IDirectMusicObject_Release,
 433         IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
 434         IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
 435         IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
 436 };
 437
 438 /* IPersistStream part: */
 439 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 440         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 441         return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
 442 }
 443
 444 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 445         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 446         return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 447 }
 448
 449 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 450         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 451         return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 452 }
 453
 454 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 455         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 456
 457         TRACE("(%p, %p)\n", This, pClassID);
 458         if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
 459                 ERR(": pClassID bad write pointer\n");
 460                 return E_POINTER;
 461         }
 462
 463         *pClassID = CLSID_DirectMusicContainer;
 464         return S_OK;
 465 }
 466
 467 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 468         /* FIXME: is implemented (somehow) */
 469         return E_NOTIMPL;
 470 }
 471
 472 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 473         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 474         WINE_CHUNK Chunk;
 475         DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 476         LARGE_INTEGER liMove; /* used when skipping chunks */
 477         ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
 478         LPDIRECTMUSICGETLOADER pGetLoader;
 479         LPDIRECTMUSICLOADER pLoader;
 480         HRESULT result = S_OK;
 481
 482         TRACE("(%p, %p):\n", This, pStm);
 483
 484         /* check whether pStm is valid read pointer */
 485         if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
 486                 ERR(": pStm bad read pointer\n");
 487                 return E_POINTER;
 488         }
 489         /* if stream is already set, this means the container is already loaded */
 490         if (This->pStream) {
 491                 TRACE(": stream is already set, which means container is already loaded\n");
 492                 return DMUS_E_ALREADY_LOADED;
 493         }
 494
 495         /* get loader since it will be needed later */
 496         if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
 497                 ERR(": stream not supported\n");
 498                 return DMUS_E_UNSUPPORTED_STREAM;
 499         }
 500         IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
 501         IDirectMusicGetLoader_Release (pGetLoader);
 502
 503         This->pStream = pStm;
 504         IStream_AddRef (pStm); /* add count for later references */
 505
 506         /* start with load */
 507         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 508         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 509         switch (Chunk.fccID) {
 510                 case FOURCC_RIFF: {
 511                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 512                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 513                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 514                         StreamCount = 0;
 515                         switch (Chunk.fccID) {
 516                                 case DMUS_FOURCC_CONTAINER_FORM: {
 517                                         TRACE_(dmfile)(": container form\n");
 518                                         This->Desc.guidClass = CLSID_DirectMusicContainer;
 519                                         This->Desc.dwValidData |= DMUS_OBJ_CLASS;
 520                                         do {
 521                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 522                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 523                                                 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 524                                                 switch (Chunk.fccID) {
 525                                                         case DMUS_FOURCC_CONTAINER_CHUNK: {
 526                                                                 TRACE_(dmfile)(": container header chunk\n");
 527                                                                 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
 528                                                                 TRACE_(dmdump)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
 529                                                                 break;
 530                                                         }
 531                                                         case DMUS_FOURCC_GUID_CHUNK: {
 532                                                                 TRACE_(dmfile)(": GUID chunk\n");
 533                                                                 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
 534                                                                 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
 535                                                                 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
 536                                                                 break;
 537                                                         }
 538                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 539                                                                 TRACE_(dmfile)(": version chunk\n");
 540                                                                 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
 541                                                                 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
 542                                                                 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
 543                                                                 break;
 544                                                         }
 545                                                         case DMUS_FOURCC_DATE_CHUNK: {
 546                                                                 TRACE_(dmfile)(": date chunk\n");
 547                                                                 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
 548                                                                 This->Desc.dwValidData |= DMUS_OBJ_DATE;
 549                                                                 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
 550                                                                 break;
 551                                                         }
 552                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 553                                                                 TRACE_(dmfile)(": category chunk\n");
 554                                                                 /* if it happens that string is too long,
 555                                                                    read what we can and skip the rest*/
 556                                                                 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
 557                                                                         IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
 558                                                                         liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
 559                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 560                                                                 } else {
 561                                                                         IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
 562                                                                 }
 563                                                                 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
 564                                                                 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
 565                                                                 break;
 566                                                         }
 567                                                         case FOURCC_LIST: {
 568                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 569                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 570                                                                 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 571                                                                 ListCount[0] = 0;
 572                                                                 switch (Chunk.fccID) {
 573                                                                         case DMUS_FOURCC_UNFO_LIST: {
 574                                                                                 TRACE_(dmfile)(": UNFO list\n");
 575                                                                                 do {
 576                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 577                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 578                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 579                                                                                         switch (Chunk.fccID) {
 580                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 581                                               (though strings seem to be valid unicode) */
 582                                                                                                 case mmioFOURCC('I','N','A','M'):
 583                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 584                                                                                                         TRACE_(dmfile)(": name chunk\n");
 585                                                                                                         /* if it happens that string is too long,
 586                                                                                                            read what we can and skip the rest*/
 587                                                                                                         if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
 588                                                                                                                 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
 589                                                                                                                 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
 590                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 591                                                                                                         } else {
 592                                                                                                                 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
 593                                                                                                         }
 594                                                                                                         This->Desc.dwValidData |= DMUS_OBJ_NAME;
 595                                                                                                         TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
 596                                                                                                         break;
 597                                                                                                 }
 598                                                                                                 default: {
 599                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 600                                                                                                         liMove.QuadPart = Chunk.dwSize;
 601                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 602                                                                                                         break;
 603                                                                                                 }
 604                                                                                         }
 605                                                                                         TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
 606                                                                                 } while (ListCount[0] < ListSize[0]);
 607                                                                                 break;
 608                                                                         }
 609                                                                         case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
 610                                                                                 TRACE_(dmfile)(": contained objects list\n");
 611                                                                                 do {
 612                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 613                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 614                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 615                                                                                         switch (Chunk.fccID) {
 616                                                                                                 case FOURCC_LIST: {
 617                                                                                                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 618                                                                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 619                                                                                                         ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 620                                                                                                         ListCount[1] = 0;
 621                                                                                                         switch (Chunk.fccID) {
 622                                                                                                                 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
 623                                                                                                                         LPWINE_CONTAINER_ENTRY pNewEntry;
 624                                                                                                                         TRACE_(dmfile)(": contained object list\n");
 625                                                                                                                         pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
 626                                                                                                                         DM_STRUCT_INIT(&pNewEntry->Desc);
 627                                                                                                                         do {
 628                                                                                                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 629                                                                                                                                 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 630                                                                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 631                                                                                                                                 switch (Chunk.fccID) {
 632                                                                                                                                         case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
 633                                                                                                                                                 TRACE_(dmfile)(": alias chunk\n");
 634                                                                                                                                                 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 635                                                                                                                                                 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
 636                                                                                                                                                 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
 637                                                                                                                                                 break;
 638                                                                                                                                         }
 639                                                                                                                                         case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
 640                                                                                                                                                 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
 641                                                                                                                                                 TRACE_(dmfile)(": contained object header chunk\n");
 642                                                                                                                                                 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
 643                                                                                                                                                 TRACE_(dmdump)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
 644                                                                                                                                                 /* copy guidClass */
 645                                                                                                                                                 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
 646                                                                                                                                                 pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
 647                                                                                                                                                 /* store flags */
 648                                                                                                                                                 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
 649                                                                                                                                                 break;
 650                                                                                                                                         }
 651                                                                                                                                         /* now read data... it may be safe to read everything after object header chunk,
 652                                                                                                                                                 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
 653                                                                                                                                         case FOURCC_LIST: {
 654                                                                                                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 655                                                                                                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 656                                                                                                                                                 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
 657                                                                                                                                                 ListCount[2] = 0;
 658                                                                                                                                                 switch (Chunk.fccID) {
 659                                                                                                                                                         case DMUS_FOURCC_REF_LIST: {
 660                                                                                                                                                                 TRACE_(dmfile)(": reference list\n");
 661                                                                                                                                                                 pNewEntry->bIsRIFF = 0;
 662                                                                                                                                                                 do {
 663                                                                                                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 664                                                                                                                                                                         ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 665                                                                                                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 666                                                                                                                                                                         switch (Chunk.fccID) {
 667                                                                                                                                                                                 case DMUS_FOURCC_REF_CHUNK: {
 668                                                                                                                                                                                         DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
 669                                                                                                                                                                                         TRACE_(dmfile)(": reference header chunk\n");
 670                                                                                                                                                                                         memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
 671                                                                                                                                                                                         IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
 672                                                                                                                                                                                         /* copy retrieved data to DMUS_OBJECTDESC */
 673                                                                                                                                                                                         if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
 674                                                                                                                                                                                         /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
 675                                                                                                                                                                                            yet if they happen to be different, I'd rather stick to this one */
 676                                                                                                                                                                                         pNewEntry->Desc.guidClass = tmpReferenceHeader.guidClassID;
 677                                                                                                                                                                                         pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
 678                                                                                                                                                                                         break;
 679                                                                                                                                                                                 }
 680                                                                                                                                                                                 case DMUS_FOURCC_GUID_CHUNK: {
 681                                                                                                                                                                                         TRACE_(dmfile)(": guid chunk\n");
 682                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 683                                                                                                                                                                                         IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
 684                                                                                                                                                                                         break;
 685                                                                                                                                                                                 }
 686                                                                                                                                                                                 case DMUS_FOURCC_DATE_CHUNK: {
 687                                                                                                                                                                                         TRACE_(dmfile)(": file date chunk\n");
 688                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 689                                                                                                                                                                                         IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
 690                                                                                                                                                                                         break;
 691                                                                                                                                                                                 }
 692                                                                                                                                                                                 case DMUS_FOURCC_NAME_CHUNK: {
 693                                                                                                                                                                                         TRACE_(dmfile)(": name chunk\n");
 694                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 695                                                                                                                                                                                         IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
 696                                                                                                                                                                                         break;
 697                                                                                                                                                                                 }
 698                                                                                                                                                                                 case DMUS_FOURCC_FILE_CHUNK: {
 699                                                                                                                                                                                         TRACE_(dmfile)(": file name chunk\n");
 700                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 701                                                                                                                                                                                         IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
 702                                                                                                                                                                                         break;
 703                                                                                                                                                                                 }
 704                                                                                                                                                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 705                                                                                                                                                                                         TRACE_(dmfile)(": category chunk\n");
 706                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 707                                                                                                                                                                                         IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
 708                                                                                                                                                                                         break;
 709                                                                                                                                                                                 }
 710                                                                                                                                                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 711                                                                                                                                                                                         TRACE_(dmfile)(": version chunk\n");
 712                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 713                                                                                                                                                                                         IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
 714                                                                                                                                                                                         break;
 715                                                                                                                                                                                 }
 716                                                                                                                                                                                 default: {
 717                                                                                                                                                                                         TRACE_(dmfile)(": unknown chunk (skipping)\n");
 718                                                                                                                                                                                         liMove.QuadPart = Chunk.dwSize;
 719                                                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
 720                                                                                                                                                                                         break;
 721                                                                                                                                                                                 }
 722                                                                                                                                                                         }
 723                                                                                                                                                                         TRACE_(dmfile)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount[2], ListSize[2]);
 724                                                                                                                                                                 } while (ListCount[2] < ListSize[2]);
 725                                                                                                                                                                 break;
 726                                                                                                                                                         }
 727                                                                                                                                                         default: {
 728                                                                                                                                                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 729                                                                                                                                                                 return E_FAIL;
 730                                                                                                                                                         }
 731                                                                                                                                                 }
 732                                                                                                                                                 break;
 733                                                                                                                                         }
 734
 735                                                                                                                                         case FOURCC_RIFF: {
 736                                                                                                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 737                                                                                                                                                 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 738                                                                                                                                                 if (IS_VALID_DMFORM (Chunk.fccID)) {
 739                                                                                                                                                         TRACE_(dmfile)(": valid DMUSIC form\n");
 740                                                                                                                                                         pNewEntry->bIsRIFF = 1;
 741                                                                                                                                                         /* we'll have to skip whole RIFF chunk after SetObject is called */
 742                                                                                                                                                         liMove.QuadPart = 0;
 743                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
 744                                                                                                                                                         uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
 745                                                                                                                                                         /* move at the beginning of RIFF chunk */
 746                                                                                                                                                         liMove.QuadPart = 0;
 747                                                                                                                                                         liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
 748                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 749                                                                                                                                                         /* put pointer to stream in descriptor */
 750                                                                                                                                                         pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
 751                                                                                                                                                         pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
 752                                                                                                                                                         /* wait till we get on the end of object list */
 753                                                                                                                                                 } else {
 754                                                                                                                                                         TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
 755                                                                                                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 756                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 757                                                                                                                                                         /* FIXME: should we return E_FAIL? */
 758                                                                                                                                                 }
 759                                                                                                                                                 break;
 760                                                                                                                                         }
 761                                                                                                                                         default: {
 762                                                                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 763                                                                                                                                                 liMove.QuadPart = Chunk.dwSize;
 764                                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 765                                                                                                                                                 break;
 766                                                                                                                                         }
 767                                                                                                                                 }
 768                                                                                                                                 TRACE_(dmfile)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount[1], ListSize[1]);
 769                                                                                                                         } while (ListCount[1] < ListSize[1]);
 770                                                                                                                         /* SetObject: this will fill descriptor with additional info    and add alias in loader's cache */
 771                                                                                                                         IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
 772                                                                                                                         /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
 773                                                                                                                            or not, since we have to clean evidence of loading through stream... *sigh*
 774                                                                                                                            and we have to skip rest of the chunk, if we loaded through RIFF */
 775                                                                                                                         if (pNewEntry->bIsRIFF) {
 776                                                                                                                                 liMove.QuadPart = uliPos.QuadPart;
 777                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
 778                                                                                                                                 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
 779                                                                                                                                 pNewEntry->Desc.pStream = NULL;
 780                                                                                                                         }
 781                                                                                                                         /* add entry to list of objects */
 782                                                                                                                         list_add_tail (This->pContainedObjects, &pNewEntry->entry);
 783                                                                                                                         break;
 784                                                                                                                 }
 785                                                                                                                 default: {
 786                                                                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 787                                                                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 788                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 789                                                                                                                         break;
 790                                                                                                                 }
 791                                                                                                         }
 792                                                                                                         break;
 793                                                                                                 }
 794                                                                                                 default: {
 795                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 796                                                                                                         liMove.QuadPart = Chunk.dwSize;
 797                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 798                                                                                                         break;
 799                                                                                                 }
 800                                                                                         }
 801                                                                                         TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
 802                                                                                 } while (ListCount[0] < ListSize[0]);
 803                                                                                 break;
 804                                                                         }
 805                                                                         default: {
 806                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 807                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 808                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 809                                                                                 break;
 810                                                                         }
 811                                                                 }
 812                                                                 break;
 813                                                         }
 814                                                         default: {
 815                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 816                                                                 liMove.QuadPart = Chunk.dwSize;
 817                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 818                                                                 break;
 819                                                         }
 820                                                 }
 821                                                 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
 822                                         } while (StreamCount < StreamSize);
 823                                         break;
 824                                 }
 825                                 default: {
 826                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 827                                         liMove.QuadPart = StreamSize;
 828                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 829                                         return E_FAIL;
 830                                 }
 831                         }
 832                         TRACE_(dmfile)(": reading finished\n");
 833                         This->Desc.dwValidData |= DMUS_OBJ_LOADED;
 834                         break;
 835                 }
 836                 default: {
 837                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 838                         liMove.QuadPart = Chunk.dwSize;
 839                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 840                         return E_FAIL;
 841                 }
 842         }
 843
 844         /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
 845            so when we call GetObject later, they'll already be in cache */
 846         if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
 847                 struct list *pEntry;
 848                 LPWINE_CONTAINER_ENTRY pContainedObject;
 849
 850                 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
 851
 852                 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
 853                         IDirectMusicObject* pObject;
 854                         pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
 855                         /* get object from loader and then release it */
 856                         if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
 857                                 pContainedObject->pObject = pObject; /* for final release */
 858                                 IDirectMusicObject_Release (pObject); /* we don't really need this one */
 859                         } else {
 860                                 WARN(": failed to load contained object\n");
 861                                 result = DMUS_S_PARTIALLOAD;
 862                         }
 863                 }
 864         }
 865
 866         IDirectMusicLoader_Release (pLoader); /* release loader */
 867
 868 #if 0
 869         /* DEBUG: dumps whole container object tree: */
 870         if (TRACE_ON(dmloader)) {
 871                 int r = 0;
 872                 LPWINE_CONTAINER_ENTRY tmpEntry;
 873                 struct list *listEntry;
 874
 875                 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
 876                 TRACE(" - Objects:\n");
 877                 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
 878                         tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
 879                         TRACE("    - Object[%i]:\n", r);
 880                         TRACE("       - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
 881                         TRACE("       - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
 882                         r++;
 883                 }
 884         }
 885 #endif
 886
 887         return result;
 888 }
 889
 890 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 891         ERR(": should not be needed\n");
 892         return E_NOTIMPL;
 893 }
 894
 895 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 896         ERR(": should not be needed\n");
 897         return E_NOTIMPL;
 898 }
 899
 900 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
 901         IDirectMusicContainerImpl_IPersistStream_QueryInterface,
 902         IDirectMusicContainerImpl_IPersistStream_AddRef,
 903         IDirectMusicContainerImpl_IPersistStream_Release,
 904         IDirectMusicContainerImpl_IPersistStream_GetClassID,
 905         IDirectMusicContainerImpl_IPersistStream_IsDirty,
 906         IDirectMusicContainerImpl_IPersistStream_Load,
 907         IDirectMusicContainerImpl_IPersistStream_Save,
 908         IDirectMusicContainerImpl_IPersistStream_GetSizeMax
 909 };
 910
 911 /* for ClassFactory */
 912 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 913         IDirectMusicContainerImpl* obj;
 914
 915         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
 916         if (NULL == obj) {
 917                 *ppobj = NULL;
 918                 return E_OUTOFMEMORY;
 919         }
 920         obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
 921         obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
 922         obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
 923         obj->dwRef = 0; /* will be inited by QueryInterface */
 924         obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
 925         list_init (obj->pContainedObjects);
 926
 927         /* increase number of instances */
 928         InterlockedIncrement (&dwDirectMusicContainer);
 929
 930         return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);
 931 }