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                                 if (pDesc)
 149                                         *pDesc = pContainedObject->Desc;
 150                                 return result;
 151                         }
 152                         dwCount++;
 153                 }
 154         }
 155
 156         TRACE(": not found\n");
 157         return S_FALSE;
 158 }
 159
 160 static const IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl = {
 161         IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface,
 162         IDirectMusicContainerImpl_IDirectMusicContainer_AddRef,
 163         IDirectMusicContainerImpl_IDirectMusicContainer_Release,
 164         IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
 165 };
 166
 167 /* IDirectMusicObject part: */
 168 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 169         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 170         return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
 171 }
 172
 173 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 174         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 175         return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 176 }
 177
 178 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 179         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 180         return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 181 }
 182
 183 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 184         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 185         TRACE("(%p, %p):\n", This, pDesc);
 186
 187         /* check if we can write to whole pDesc */
 188         if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
 189                 ERR(": pDesc->dwSize bad read pointer\n");
 190                 return E_POINTER;
 191         }
 192         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 193                 ERR(": invalid pDesc->dwSize\n");
 194                 return E_INVALIDARG;
 195         }
 196         if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
 197                 ERR(": pDesc bad write pointer\n");
 198                 return E_POINTER;
 199         }
 200
 201         DM_STRUCT_INIT(pDesc);
 202         *pDesc = This->Desc;
 203
 204         return S_OK;
 205 }
 206
 207 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 208         DWORD dwNewFlags = 0;
 209         DWORD dwFlagDifference;
 210         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 211         TRACE("(%p, %p):\n", This, pDesc);
 212
 213         /* check if we can read whole pDesc */
 214         if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
 215                 ERR(": pDesc->dwSize bad read pointer\n");
 216                 return E_POINTER;
 217         }
 218         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 219                 ERR(": invalid pDesc->dwSize\n");
 220                 return E_INVALIDARG;
 221         }
 222         if (IsBadReadPtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
 223                 ERR(": pDesc bad read pointer\n");
 224                 return E_POINTER;
 225         }
 226
 227         if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
 228                 This->Desc.guidObject = pDesc->guidObject;
 229                 dwNewFlags |= DMUS_OBJ_OBJECT;
 230         }
 231         if (pDesc->dwValidData & DMUS_OBJ_NAME) {
 232                 lstrcpynW (This->Desc.wszName, pDesc->wszName, DMUS_MAX_NAME);
 233                 dwNewFlags |= DMUS_OBJ_NAME;
 234         }
 235         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) {
 236                 lstrcpynW (This->Desc.wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 237                 dwNewFlags |= DMUS_OBJ_CATEGORY;
 238         }
 239         if (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) {
 240                 lstrcpynW (This->Desc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 241                 dwNewFlags |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
 242         }
 243         if (pDesc->dwValidData & DMUS_OBJ_VERSION) {
 244                 This->Desc.vVersion.dwVersionLS = pDesc->vVersion.dwVersionLS;
 245                 This->Desc.vVersion.dwVersionMS = pDesc->vVersion.dwVersionMS;
 246                 dwNewFlags |= DMUS_OBJ_VERSION;
 247         }
 248         if (pDesc->dwValidData & DMUS_OBJ_DATE) {
 249                 This->Desc.ftDate.dwHighDateTime = pDesc->ftDate.dwHighDateTime;
 250                 This->Desc.ftDate.dwLowDateTime = pDesc->ftDate.dwLowDateTime;
 251                 dwNewFlags |= DMUS_OBJ_DATE;
 252         }
 253         /* set new flags */
 254         This->Desc.dwValidData |= dwNewFlags;
 255
 256         dwFlagDifference = pDesc->dwValidData - dwNewFlags;
 257         if (dwFlagDifference) {
 258                 pDesc->dwValidData &= ~dwFlagDifference; /* and with bitwise complement */
 259                 return S_FALSE;
 260         } else return S_OK;
 261 }
 262
 263 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 264         ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
 265         WINE_CHUNK Chunk;
 266         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 267         LARGE_INTEGER liMove; /* used when skipping chunks */
 268
 269         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 270
 271         /* check whether arguments are OK */
 272         if (IsBadReadPtr (pStream, sizeof(LPVOID))) {
 273                 ERR(": pStream bad read pointer\n");
 274                 return E_POINTER;
 275         }
 276         /* check whether pDesc is OK */
 277         if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
 278                 ERR(": pDesc->dwSize bad read pointer\n");
 279                 return E_POINTER;
 280         }
 281         if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
 282                 ERR(": invalid pDesc->dwSize\n");
 283                 return E_INVALIDARG;
 284         }
 285         if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
 286                 ERR(": pDesc bad write pointer\n");
 287                 return E_POINTER;
 288         }
 289
 290         DM_STRUCT_INIT(pDesc);
 291
 292         /* here we go... */
 293         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 294         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 295         switch (Chunk.fccID) {
 296                 case FOURCC_RIFF: {
 297                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 298                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 299                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 300                         StreamCount = 0;
 301                         if (Chunk.fccID == DMUS_FOURCC_CONTAINER_FORM) {
 302                                 TRACE_(dmfile)(": container form\n");
 303                                 /* set guidClass */
 304                                 pDesc->dwValidData |= DMUS_OBJ_CLASS;
 305                                 pDesc->guidClass = CLSID_DirectMusicContainer;
 306                                 do {
 307                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 308                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 309                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 310                                         switch (Chunk.fccID) {
 311                                                 case DMUS_FOURCC_GUID_CHUNK: {
 312                                                         TRACE_(dmfile)(": GUID chunk\n");
 313                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 314                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 315                                                         TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&pDesc->guidObject));
 316                                                         break;
 317                                                 }
 318                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 319                                                         TRACE_(dmfile)(": version chunk\n");
 320                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 321                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 322                                                         TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&pDesc->vVersion));
 323                                                         break;
 324                                                 }
 325                                                 case DMUS_FOURCC_DATE_CHUNK: {
 326                                                         TRACE_(dmfile)(": date chunk\n");
 327                                                         IStream_Read (pStream, &pDesc->ftDate, Chunk.dwSize, NULL);
 328                                                         pDesc->dwValidData |= DMUS_OBJ_DATE;
 329                                                         TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&pDesc->ftDate));
 330                                                         break;
 331                                                 }
 332                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 333                                                         TRACE_(dmfile)(": category chunk\n");
 334                                                         /* if it happens that string is too long,
 335                                                            read what we can and skip the rest*/
 336                                                         if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
 337                                                                 IStream_Read (pStream, pDesc->wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
 338                                                                 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
 339                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 340                                                         } else {
 341                                                                 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 342                                                         }
 343                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 344                                                         TRACE_(dmdump)(": category: %s\n", debugstr_w(pDesc->wszCategory));
 345                                                         break;
 346                                                 }
 347                                                 case FOURCC_LIST: {
 348                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 349                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 350                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 351                                                         ListCount[0] = 0;
 352                                                         switch (Chunk.fccID) {
 353                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 354                                                                 case DMUS_FOURCC_UNFO_LIST: {
 355                                                                         TRACE_(dmfile)(": UNFO list\n");
 356                                                                         do {
 357                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 358                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 359                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 360                                                                                 switch (Chunk.fccID) {
 361                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 362                                              (though strings seem to be valid unicode) */
 363                                                                                         case mmioFOURCC('I','N','A','M'):
 364                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 365                                                                                                 TRACE_(dmfile)(": name chunk\n");
 366                                                                                                 /* if it happens that string is too long,
 367                                                                                                            read what we can and skip the rest*/
 368                                                                                                 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
 369                                                                                                         IStream_Read (pStream, pDesc->wszName, DMUS_MAX_NAME_SIZE, NULL);
 370                                                                                                         liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
 371                                                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 372                                                                                                 } else {
 373                                                                                                         IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 374                                                                                                 }
 375                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 376                                                                                                 TRACE_(dmdump)(": name: %s\n", debugstr_w(pDesc->wszName));
 377                                                                                                 break;
 378                                                                                         }
 379                                                                                         default: {
 380                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 381                                                                                                 liMove.QuadPart = Chunk.dwSize;
 382                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 383                                                                                                 break;
 384                                                                                         }
 385                                                                                 }
 386                                                                                 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
 387                                                                         } while (ListCount[0] < ListSize[0]);
 388                                                                         break;
 389                                                                 }
 390                                                                 default: {
 391                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 392                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 393                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 394                                                                         break;
 395                                                                 }
 396                                                         }
 397                                                         break;
 398                                                 }
 399                                                 default: {
 400                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 401                                                         liMove.QuadPart = Chunk.dwSize;
 402                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 403                                                         break;
 404                                                 }
 405                                         }
 406                                         TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
 407                                 } while (StreamCount < StreamSize);
 408                         } else {
 409                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 410                                 liMove.QuadPart = StreamSize;
 411                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 412                                 return E_FAIL;
 413                         }
 414
 415                         TRACE_(dmfile)(": reading finished\n");
 416                         break;
 417                 }
 418                 default: {
 419                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 420                         liMove.QuadPart = Chunk.dwSize;
 421                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 422                         return DMUS_E_INVALIDFILE;
 423                 }
 424         }
 425
 426         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
 427         return S_OK;
 428 }
 429
 430 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
 431         IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
 432         IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
 433         IDirectMusicContainerImpl_IDirectMusicObject_Release,
 434         IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
 435         IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
 436         IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
 437 };
 438
 439 /* IPersistStream part: */
 440 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 441         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 442         return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
 443 }
 444
 445 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 446         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 447         return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 448 }
 449
 450 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 451         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 452         return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
 453 }
 454
 455 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 456         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 457
 458         TRACE("(%p, %p)\n", This, pClassID);
 459         if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
 460                 ERR(": pClassID bad write pointer\n");
 461                 return E_POINTER;
 462         }
 463
 464         *pClassID = CLSID_DirectMusicContainer;
 465         return S_OK;
 466 }
 467
 468 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 469         /* FIXME: is implemented (somehow) */
 470         return E_NOTIMPL;
 471 }
 472
 473 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 474         ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
 475         WINE_CHUNK Chunk;
 476         DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 477         LARGE_INTEGER liMove; /* used when skipping chunks */
 478         ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
 479         LPDIRECTMUSICGETLOADER pGetLoader;
 480         LPDIRECTMUSICLOADER pLoader;
 481         HRESULT result = S_OK;
 482
 483         TRACE("(%p, %p):\n", This, pStm);
 484
 485         /* check whether pStm is valid read pointer */
 486         if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
 487                 ERR(": pStm bad read pointer\n");
 488                 return E_POINTER;
 489         }
 490         /* if stream is already set, this means the container is already loaded */
 491         if (This->pStream) {
 492                 TRACE(": stream is already set, which means container is already loaded\n");
 493                 return DMUS_E_ALREADY_LOADED;
 494         }
 495
 496         /* get loader since it will be needed later */
 497         if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
 498                 ERR(": stream not supported\n");
 499                 return DMUS_E_UNSUPPORTED_STREAM;
 500         }
 501         IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
 502         IDirectMusicGetLoader_Release (pGetLoader);
 503
 504         This->pStream = pStm;
 505         IStream_AddRef (pStm); /* add count for later references */
 506
 507         /* start with load */
 508         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 509         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 510         switch (Chunk.fccID) {
 511                 case FOURCC_RIFF: {
 512                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 513                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 514                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 515                         StreamCount = 0;
 516                         switch (Chunk.fccID) {
 517                                 case DMUS_FOURCC_CONTAINER_FORM: {
 518                                         TRACE_(dmfile)(": container form\n");
 519                                         This->Desc.guidClass = CLSID_DirectMusicContainer;
 520                                         This->Desc.dwValidData |= DMUS_OBJ_CLASS;
 521                                         do {
 522                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 523                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 524                                                 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 525                                                 switch (Chunk.fccID) {
 526                                                         case DMUS_FOURCC_CONTAINER_CHUNK: {
 527                                                                 TRACE_(dmfile)(": container header chunk\n");
 528                                                                 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
 529                                                                 TRACE_(dmdump)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
 530                                                                 break;
 531                                                         }
 532                                                         case DMUS_FOURCC_GUID_CHUNK: {
 533                                                                 TRACE_(dmfile)(": GUID chunk\n");
 534                                                                 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
 535                                                                 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
 536                                                                 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
 537                                                                 break;
 538                                                         }
 539                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 540                                                                 TRACE_(dmfile)(": version chunk\n");
 541                                                                 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
 542                                                                 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
 543                                                                 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
 544                                                                 break;
 545                                                         }
 546                                                         case DMUS_FOURCC_DATE_CHUNK: {
 547                                                                 TRACE_(dmfile)(": date chunk\n");
 548                                                                 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
 549                                                                 This->Desc.dwValidData |= DMUS_OBJ_DATE;
 550                                                                 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
 551                                                                 break;
 552                                                         }
 553                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 554                                                                 TRACE_(dmfile)(": category chunk\n");
 555                                                                 /* if it happens that string is too long,
 556                                                                    read what we can and skip the rest*/
 557                                                                 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
 558                                                                         IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
 559                                                                         liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
 560                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 561                                                                 } else {
 562                                                                         IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
 563                                                                 }
 564                                                                 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
 565                                                                 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
 566                                                                 break;
 567                                                         }
 568                                                         case FOURCC_LIST: {
 569                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 570                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 571                                                                 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 572                                                                 ListCount[0] = 0;
 573                                                                 switch (Chunk.fccID) {
 574                                                                         case DMUS_FOURCC_UNFO_LIST: {
 575                                                                                 TRACE_(dmfile)(": UNFO list\n");
 576                                                                                 do {
 577                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 578                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 579                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 580                                                                                         switch (Chunk.fccID) {
 581                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 582                                               (though strings seem to be valid unicode) */
 583                                                                                                 case mmioFOURCC('I','N','A','M'):
 584                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 585                                                                                                         TRACE_(dmfile)(": name chunk\n");
 586                                                                                                         /* if it happens that string is too long,
 587                                                                                                            read what we can and skip the rest*/
 588                                                                                                         if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
 589                                                                                                                 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
 590                                                                                                                 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
 591                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 592                                                                                                         } else {
 593                                                                                                                 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
 594                                                                                                         }
 595                                                                                                         This->Desc.dwValidData |= DMUS_OBJ_NAME;
 596                                                                                                         TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
 597                                                                                                         break;
 598                                                                                                 }
 599                                                                                                 default: {
 600                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 601                                                                                                         liMove.QuadPart = Chunk.dwSize;
 602                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 603                                                                                                         break;
 604                                                                                                 }
 605                                                                                         }
 606                                                                                         TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
 607                                                                                 } while (ListCount[0] < ListSize[0]);
 608                                                                                 break;
 609                                                                         }
 610                                                                         case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
 611                                                                                 TRACE_(dmfile)(": contained objects list\n");
 612                                                                                 do {
 613                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 614                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 615                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 616                                                                                         switch (Chunk.fccID) {
 617                                                                                                 case FOURCC_LIST: {
 618                                                                                                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 619                                                                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 620                                                                                                         ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 621                                                                                                         ListCount[1] = 0;
 622                                                                                                         switch (Chunk.fccID) {
 623                                                                                                                 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
 624                                                                                                                         LPWINE_CONTAINER_ENTRY pNewEntry;
 625                                                                                                                         TRACE_(dmfile)(": contained object list\n");
 626                                                                                                                         pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
 627                                                                                                                         DM_STRUCT_INIT(&pNewEntry->Desc);
 628                                                                                                                         do {
 629                                                                                                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 630                                                                                                                                 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 631                                                                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 632                                                                                                                                 switch (Chunk.fccID) {
 633                                                                                                                                         case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
 634                                                                                                                                                 TRACE_(dmfile)(": alias chunk\n");
 635                                                                                                                                                 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 636                                                                                                                                                 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
 637                                                                                                                                                 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
 638                                                                                                                                                 break;
 639                                                                                                                                         }
 640                                                                                                                                         case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
 641                                                                                                                                                 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
 642                                                                                                                                                 TRACE_(dmfile)(": contained object header chunk\n");
 643                                                                                                                                                 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
 644                                                                                                                                                 TRACE_(dmdump)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
 645                                                                                                                                                 /* copy guidClass */
 646                                                                                                                                                 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
 647                                                                                                                                                 pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
 648                                                                                                                                                 /* store flags */
 649                                                                                                                                                 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
 650                                                                                                                                                 break;
 651                                                                                                                                         }
 652                                                                                                                                         /* now read data... it may be safe to read everything after object header chunk,
 653                                                                                                                                                 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
 654                                                                                                                                         case FOURCC_LIST: {
 655                                                                                                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 656                                                                                                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 657                                                                                                                                                 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
 658                                                                                                                                                 ListCount[2] = 0;
 659                                                                                                                                                 switch (Chunk.fccID) {
 660                                                                                                                                                         case DMUS_FOURCC_REF_LIST: {
 661                                                                                                                                                                 TRACE_(dmfile)(": reference list\n");
 662                                                                                                                                                                 pNewEntry->bIsRIFF = 0;
 663                                                                                                                                                                 do {
 664                                                                                                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 665                                                                                                                                                                         ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 666                                                                                                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 667                                                                                                                                                                         switch (Chunk.fccID) {
 668                                                                                                                                                                                 case DMUS_FOURCC_REF_CHUNK: {
 669                                                                                                                                                                                         DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
 670                                                                                                                                                                                         TRACE_(dmfile)(": reference header chunk\n");
 671                                                                                                                                                                                         memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
 672                                                                                                                                                                                         IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
 673                                                                                                                                                                                         /* copy retrieved data to DMUS_OBJECTDESC */
 674                                                                                                                                                                                         if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
 675                                                                                                                                                                                         /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
 676                                                                                                                                                                                            yet if they happen to be different, I'd rather stick to this one */
 677                                                                                                                                                                                         pNewEntry->Desc.guidClass = tmpReferenceHeader.guidClassID;
 678                                                                                                                                                                                         pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
 679                                                                                                                                                                                         break;
 680                                                                                                                                                                                 }
 681                                                                                                                                                                                 case DMUS_FOURCC_GUID_CHUNK: {
 682                                                                                                                                                                                         TRACE_(dmfile)(": guid chunk\n");
 683                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 684                                                                                                                                                                                         IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
 685                                                                                                                                                                                         break;
 686                                                                                                                                                                                 }
 687                                                                                                                                                                                 case DMUS_FOURCC_DATE_CHUNK: {
 688                                                                                                                                                                                         TRACE_(dmfile)(": file date chunk\n");
 689                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 690                                                                                                                                                                                         IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
 691                                                                                                                                                                                         break;
 692                                                                                                                                                                                 }
 693                                                                                                                                                                                 case DMUS_FOURCC_NAME_CHUNK: {
 694                                                                                                                                                                                         TRACE_(dmfile)(": name chunk\n");
 695                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 696                                                                                                                                                                                         IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
 697                                                                                                                                                                                         break;
 698                                                                                                                                                                                 }
 699                                                                                                                                                                                 case DMUS_FOURCC_FILE_CHUNK: {
 700                                                                                                                                                                                         TRACE_(dmfile)(": file name chunk\n");
 701                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 702                                                                                                                                                                                         IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
 703                                                                                                                                                                                         break;
 704                                                                                                                                                                                 }
 705                                                                                                                                                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 706                                                                                                                                                                                         TRACE_(dmfile)(": category chunk\n");
 707                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 708                                                                                                                                                                                         IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
 709                                                                                                                                                                                         break;
 710                                                                                                                                                                                 }
 711                                                                                                                                                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 712                                                                                                                                                                                         TRACE_(dmfile)(": version chunk\n");
 713                                                                                                                                                                                         /* no need to set flags since they were copied from reference header */
 714                                                                                                                                                                                         IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
 715                                                                                                                                                                                         break;
 716                                                                                                                                                                                 }
 717                                                                                                                                                                                 default: {
 718                                                                                                                                                                                         TRACE_(dmfile)(": unknown chunk (skipping)\n");
 719                                                                                                                                                                                         liMove.QuadPart = Chunk.dwSize;
 720                                                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
 721                                                                                                                                                                                         break;
 722                                                                                                                                                                                 }
 723                                                                                                                                                                         }
 724                                                                                                                                                                         TRACE_(dmfile)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount[2], ListSize[2]);
 725                                                                                                                                                                 } while (ListCount[2] < ListSize[2]);
 726                                                                                                                                                                 break;
 727                                                                                                                                                         }
 728                                                                                                                                                         default: {
 729                                                                                                                                                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 730                                                                                                                                                                 return E_FAIL;
 731                                                                                                                                                         }
 732                                                                                                                                                 }
 733                                                                                                                                                 break;
 734                                                                                                                                         }
 735
 736                                                                                                                                         case FOURCC_RIFF: {
 737                                                                                                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 738                                                                                                                                                 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 739                                                                                                                                                 if (IS_VALID_DMFORM (Chunk.fccID)) {
 740                                                                                                                                                         TRACE_(dmfile)(": valid DMUSIC form\n");
 741                                                                                                                                                         pNewEntry->bIsRIFF = 1;
 742                                                                                                                                                         /* we'll have to skip whole RIFF chunk after SetObject is called */
 743                                                                                                                                                         liMove.QuadPart = 0;
 744                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
 745                                                                                                                                                         uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
 746                                                                                                                                                         /* move at the beginning of RIFF chunk */
 747                                                                                                                                                         liMove.QuadPart = 0;
 748                                                                                                                                                         liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
 749                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 750                                                                                                                                                         /* put pointer to stream in descriptor */
 751                                                                                                                                                         pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
 752                                                                                                                                                         pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
 753                                                                                                                                                         /* wait till we get on the end of object list */
 754                                                                                                                                                 } else {
 755                                                                                                                                                         TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
 756                                                                                                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 757                                                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 758                                                                                                                                                         /* FIXME: should we return E_FAIL? */
 759                                                                                                                                                 }
 760                                                                                                                                                 break;
 761                                                                                                                                         }
 762                                                                                                                                         default: {
 763                                                                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 764                                                                                                                                                 liMove.QuadPart = Chunk.dwSize;
 765                                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 766                                                                                                                                                 break;
 767                                                                                                                                         }
 768                                                                                                                                 }
 769                                                                                                                                 TRACE_(dmfile)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount[1], ListSize[1]);
 770                                                                                                                         } while (ListCount[1] < ListSize[1]);
 771                                                                                                                         /* SetObject: this will fill descriptor with additional info    and add alias in loader's cache */
 772                                                                                                                         IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
 773                                                                                                                         /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
 774                                                                                                                            or not, since we have to clean evidence of loading through stream... *sigh*
 775                                                                                                                            and we have to skip rest of the chunk, if we loaded through RIFF */
 776                                                                                                                         if (pNewEntry->bIsRIFF) {
 777                                                                                                                                 liMove.QuadPart = uliPos.QuadPart;
 778                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
 779                                                                                                                                 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
 780                                                                                                                                 pNewEntry->Desc.pStream = NULL;
 781                                                                                                                         }
 782                                                                                                                         /* add entry to list of objects */
 783                                                                                                                         list_add_tail (This->pContainedObjects, &pNewEntry->entry);
 784                                                                                                                         break;
 785                                                                                                                 }
 786                                                                                                                 default: {
 787                                                                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 788                                                                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 789                                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 790                                                                                                                         break;
 791                                                                                                                 }
 792                                                                                                         }
 793                                                                                                         break;
 794                                                                                                 }
 795                                                                                                 default: {
 796                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 797                                                                                                         liMove.QuadPart = Chunk.dwSize;
 798                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 799                                                                                                         break;
 800                                                                                                 }
 801                                                                                         }
 802                                                                                         TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
 803                                                                                 } while (ListCount[0] < ListSize[0]);
 804                                                                                 break;
 805                                                                         }
 806                                                                         default: {
 807                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 808                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 809                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 810                                                                                 break;
 811                                                                         }
 812                                                                 }
 813                                                                 break;
 814                                                         }
 815                                                         default: {
 816                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 817                                                                 liMove.QuadPart = Chunk.dwSize;
 818                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 819                                                                 break;
 820                                                         }
 821                                                 }
 822                                                 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
 823                                         } while (StreamCount < StreamSize);
 824                                         break;
 825                                 }
 826                                 default: {
 827                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 828                                         liMove.QuadPart = StreamSize;
 829                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 830                                         return E_FAIL;
 831                                 }
 832                         }
 833                         TRACE_(dmfile)(": reading finished\n");
 834                         This->Desc.dwValidData |= DMUS_OBJ_LOADED;
 835                         break;
 836                 }
 837                 default: {
 838                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 839                         liMove.QuadPart = Chunk.dwSize;
 840                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 841                         return E_FAIL;
 842                 }
 843         }
 844
 845         /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
 846            so when we call GetObject later, they'll already be in cache */
 847         if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
 848                 struct list *pEntry;
 849                 LPWINE_CONTAINER_ENTRY pContainedObject;
 850
 851                 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
 852
 853                 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
 854                         IDirectMusicObject* pObject;
 855                         pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
 856                         /* get object from loader and then release it */
 857                         if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
 858                                 pContainedObject->pObject = pObject; /* for final release */
 859                                 IDirectMusicObject_Release (pObject); /* we don't really need this one */
 860                         } else {
 861                                 WARN(": failed to load contained object\n");
 862                                 result = DMUS_S_PARTIALLOAD;
 863                         }
 864                 }
 865         }
 866
 867         IDirectMusicLoader_Release (pLoader); /* release loader */
 868
 869 #if 0
 870         /* DEBUG: dumps whole container object tree: */
 871         if (TRACE_ON(dmloader)) {
 872                 int r = 0;
 873                 LPWINE_CONTAINER_ENTRY tmpEntry;
 874                 struct list *listEntry;
 875
 876                 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
 877                 TRACE(" - Objects:\n");
 878                 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
 879                         tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
 880                         TRACE("    - Object[%i]:\n", r);
 881                         TRACE("       - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
 882                         TRACE("       - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
 883                         r++;
 884                 }
 885         }
 886 #endif
 887
 888         return result;
 889 }
 890
 891 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 892         ERR(": should not be needed\n");
 893         return E_NOTIMPL;
 894 }
 895
 896 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 897         ERR(": should not be needed\n");
 898         return E_NOTIMPL;
 899 }
 900
 901 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
 902         IDirectMusicContainerImpl_IPersistStream_QueryInterface,
 903         IDirectMusicContainerImpl_IPersistStream_AddRef,
 904         IDirectMusicContainerImpl_IPersistStream_Release,
 905         IDirectMusicContainerImpl_IPersistStream_GetClassID,
 906         IDirectMusicContainerImpl_IPersistStream_IsDirty,
 907         IDirectMusicContainerImpl_IPersistStream_Load,
 908         IDirectMusicContainerImpl_IPersistStream_Save,
 909         IDirectMusicContainerImpl_IPersistStream_GetSizeMax
 910 };
 911
 912 /* for ClassFactory */
 913 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 914         IDirectMusicContainerImpl* obj;
 915
 916         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
 917         if (NULL == obj) {
 918                 *ppobj = NULL;
 919                 return E_OUTOFMEMORY;
 920         }
 921         obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
 922         obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
 923         obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
 924         obj->dwRef = 0; /* will be inited by QueryInterface */
 925         obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
 926         list_init (obj->pContainedObjects);
 927
 928         /* increase number of instances */
 929         InterlockedIncrement (&dwDirectMusicContainer);
 930
 931         return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);
 932 }