dlls/dmloader/loader.c

   1 /* IDirectMusicLoaderImpl
   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
  24 static HRESULT DMUSIC_InitLoaderSettings (LPDIRECTMUSICLOADER8 iface);
  25 static HRESULT DMUSIC_GetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache);
  26 static HRESULT DMUSIC_SetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache);
  27
  28 static HRESULT DMUSIC_CopyDescriptor (LPDMUS_OBJECTDESC pDst, LPDMUS_OBJECTDESC pSrc) {
  29         TRACE(": copy\n%s\n", debugstr_DMUS_OBJECTDESC(pSrc));
  30         /* copy field by field */
  31         if (pSrc->dwValidData & DMUS_OBJ_CLASS) pDst->guidClass = pSrc->guidClass;
  32         if (pSrc->dwValidData & DMUS_OBJ_OBJECT) pDst->guidObject = pSrc->guidObject;
  33         if (pSrc->dwValidData & DMUS_OBJ_DATE) pDst->ftDate = pSrc->ftDate;
  34         if (pSrc->dwValidData & DMUS_OBJ_VERSION) pDst->vVersion = pSrc->vVersion;
  35         if (pSrc->dwValidData & DMUS_OBJ_NAME) strcpyW (pDst->wszName, pSrc->wszName);
  36         if (pSrc->dwValidData & DMUS_OBJ_CATEGORY) strcpyW (pDst->wszCategory, pSrc->wszCategory);
  37         if (pSrc->dwValidData & DMUS_OBJ_FILENAME) strcpyW (pDst->wszFileName, pSrc->wszFileName);
  38         if (pSrc->dwValidData & DMUS_OBJ_STREAM) IStream_Clone (pSrc->pStream, &pDst->pStream);
  39         if (pSrc->dwValidData & DMUS_OBJ_MEMORY) {
  40                 pDst->pbMemData = pSrc->pbMemData;
  41                 pDst->llMemLength = pSrc->llMemLength;
  42         }
  43         /* set flags */
  44         pDst->dwValidData |= pSrc->dwValidData;
  45         return S_OK;
  46 }
  47
  48
  49 static BOOL DMUSIC_IsValidLoadableClass (REFCLSID pClassID) {
  50         if (IsEqualCLSID(pClassID, &CLSID_DirectMusicAudioPathConfig) ||
  51                 IsEqualCLSID(pClassID, &CLSID_DirectMusicBand) ||
  52                 IsEqualCLSID(pClassID, &CLSID_DirectMusicContainer) ||
  53                 IsEqualCLSID(pClassID, &CLSID_DirectMusicCollection) ||
  54                 IsEqualCLSID(pClassID, &CLSID_DirectMusicChordMap) ||
  55                 IsEqualCLSID(pClassID, &CLSID_DirectMusicSegment) ||
  56                 IsEqualCLSID(pClassID, &CLSID_DirectMusicScript) ||
  57                 IsEqualCLSID(pClassID, &CLSID_DirectMusicSong) ||
  58                 IsEqualCLSID(pClassID, &CLSID_DirectMusicStyle) ||
  59                 IsEqualCLSID(pClassID, &CLSID_DirectMusicGraph) ||
  60                 IsEqualCLSID(pClassID, &CLSID_DirectSoundWave) ||
  61                 IsEqualCLSID(pClassID, &GUID_DirectMusicAllTypes))
  62                 return TRUE;
  63         else
  64                 return FALSE;
  65 }
  66
  67 /*****************************************************************************
  68  * IDirectMusicLoaderImpl implementation
  69  */
  70 /* IUnknown/IDirectMusicLoader(8) part: */
  71
  72 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj) {
  73         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
  74
  75         TRACE("(%p, %s, %p)\n",This, debugstr_dmguid(riid), ppobj);
  76         if (IsEqualIID (riid, &IID_IUnknown) ||
  77             IsEqualIID (riid, &IID_IDirectMusicLoader) ||
  78             IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
  79                 IDirectMusicLoader_AddRef (iface);
  80                 *ppobj = This;
  81                 return S_OK;
  82         }
  83
  84         WARN(": not found\n");
  85         return E_NOINTERFACE;
  86 }
  87
  88 static ULONG WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef (LPDIRECTMUSICLOADER8 iface) {
  89         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
  90         TRACE("(%p): AddRef from %d\n", This, This->dwRef);
  91         return InterlockedIncrement (&This->dwRef);
  92 }
  93
  94 static ULONG WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_Release (LPDIRECTMUSICLOADER8 iface) {
  95         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
  96
  97         DWORD dwRef = InterlockedDecrement (&This->dwRef);
  98         TRACE("(%p): ReleaseRef to %d\n", This, This->dwRef);
  99         if (dwRef == 0) {
 100             /* firstly, release the cache */
 101             IDirectMusicLoader8_ClearCache (iface, &GUID_DirectMusicAllTypes);
 102             /* FIXME: release all allocated entries */
 103             /* destroy critical section */
 104             /*This->CritSect.DebugInfo->Spare[0] = 0;
 105               DeleteCriticalSection (&This->CritSect); */
 106             HeapFree (GetProcessHeap(), 0, This);
 107             unlock_module();
 108         }
 109
 110         return dwRef;
 111 }
 112
 113 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv) {
 114         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 115         HRESULT result = S_OK;
 116         HRESULT ret = S_OK; /* used at the end of function, to determine whether everything went OK */
 117
 118         struct list *pEntry;
 119         LPWINE_LOADER_ENTRY pObjectEntry = NULL;
 120         LPSTREAM pStream;
 121         IPersistStream* pPersistStream = NULL;
 122
 123         LPDIRECTMUSICOBJECT pObject;
 124         DMUS_OBJECTDESC GotDesc;
 125         BOOL bCache;
 126
 127         TRACE("(%p, %p, %s, %p): pDesc:\n%s\n", This, pDesc, debugstr_dmguid(riid), ppv, debugstr_DMUS_OBJECTDESC(pDesc));
 128
 129         /* sometimes it happens that guidClass is missing... which is a BadThingTM */
 130         if (!(pDesc->dwValidData & DMUS_OBJ_CLASS)) {
 131           ERR(": guidClass not valid but needed\n");
 132           *ppv = NULL;
 133           return DMUS_E_LOADER_NOCLASSID;
 134         }
 135
 136         /* OK, first we iterate thru the list of objects we know about; these are either loaded (GetObject, LoadObjectFromFile)
 137            or set via SetObject; */
 138         TRACE(": looking if we have object in the cache or if it can be found via alias\n");
 139         LIST_FOR_EACH(pEntry, This->pObjects) {
 140                 LPWINE_LOADER_ENTRY pExistingEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 141                 if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) &&
 142                         (pExistingEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 143                         IsEqualGUID (&pDesc->guidObject, &pExistingEntry->Desc.guidObject)) {
 144                         TRACE(": found it by object GUID\n");
 145                         /* I suppose such stuff can happen only when GUID for object is given (GUID_DefaultGMCollection) */
 146                         if (pExistingEntry->bInvalidDefaultDLS) {
 147                                 TRACE(": found faulty default DLS collection... enabling M$ compliant behaviour\n");
 148                                 return DMUS_E_LOADER_NOFILENAME;
 149                         }
 150                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 151                                 TRACE(": already loaded\n");
 152                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 153                         } else {
 154                                 TRACE(": not loaded yet\n");
 155                                 pObjectEntry = pExistingEntry;
 156                         }
 157                 }
 158                 else if ((pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 159                                 (pExistingEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 160                                 !strncmpW (pDesc->wszFileName, pExistingEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 161                         TRACE(": found it by fullpath filename\n");
 162                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 163                                 TRACE(": already loaded\n");
 164                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 165                         } else {
 166                                 TRACE(": not loaded yet\n");
 167                                 pObjectEntry = pExistingEntry;
 168                         }
 169                 }
 170                 else if ((pDesc->dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 171                                 (pExistingEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 172                                 !strncmpW (pDesc->wszName, pExistingEntry->Desc.wszName, DMUS_MAX_NAME) &&
 173                                 !strncmpW (pDesc->wszCategory, pExistingEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
 174                         TRACE(": found it by name and category\n");
 175                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 176                                 TRACE(": already loaded\n");
 177                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 178                         } else {
 179                                 TRACE(": not loaded yet\n");
 180                                 pObjectEntry = pExistingEntry;
 181                         }
 182                 }
 183                 else if ((pDesc->dwValidData & DMUS_OBJ_NAME) &&
 184                                 (pExistingEntry->Desc.dwValidData & DMUS_OBJ_NAME) &&
 185                                 !strncmpW (pDesc->wszName, pExistingEntry->Desc.wszName, DMUS_MAX_NAME)) {
 186                         TRACE(": found it by name\n");
 187                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 188                                 TRACE(": already loaded\n");
 189                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 190                         } else {
 191                                 TRACE(": not loaded yet\n");
 192                                 pObjectEntry = pExistingEntry;
 193                         }
 194                 }
 195                 else if ((pDesc->dwValidData & DMUS_OBJ_FILENAME) &&
 196                                 (pExistingEntry->Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 197                                 !strncmpW (pDesc->wszFileName, pExistingEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 198                         TRACE(": found it by filename\n");
 199                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 200                                 TRACE(": already loaded\n");
 201                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 202                         } else {
 203                                 TRACE(": not loaded yet\n");
 204                                 pObjectEntry = pExistingEntry;
 205                         }
 206                 }
 207         }
 208
 209         /* basically, if we found alias, we use its descriptor to load...
 210            else we use info we were given */
 211         if (pObjectEntry) {
 212                 TRACE(": found alias entry for requested object... using stored info\n");
 213                 /* I think in certain cases it can happen that entry's descriptor lacks info about
 214                    where to load from (e.g.: if we loaded from stream and then released object
 215                    from cache; then only its CLSID, GUID and perhaps name are left); so just
 216                    overwrite whatever info the entry has (since it ought to be 100% correct) */
 217                 DMUSIC_CopyDescriptor (pDesc, &pObjectEntry->Desc);
 218                 /*pDesc = &pObjectEntry->Desc; */ /* FIXME: is this OK? */
 219         } else {
 220                 TRACE(": no cache/alias entry found for requested object\n");
 221         }
 222
 223         if (pDesc->dwValidData & DMUS_OBJ_URL) {
 224                 TRACE(": loading from URLs not supported yet\n");
 225                 return DMUS_E_LOADER_FORMATNOTSUPPORTED;
 226         }
 227         else if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 228                 /* load object from file */
 229                 /* generate filename; if it's full path, don't add search
 230                    directory path, otherwise do */
 231                 WCHAR wszFileName[MAX_PATH];
 232
 233                 if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
 234                         lstrcpyW(wszFileName, pDesc->wszFileName);
 235                 } else {
 236                         WCHAR *p, wszSearchPath[MAX_PATH];
 237                         DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, wszSearchPath, NULL);
 238                         lstrcpyW(wszFileName, wszSearchPath);
 239                         p = wszFileName + lstrlenW(wszFileName);
 240                         if (p > wszFileName && p[-1] != '\\') *p++ = '\\';
 241                         strcpyW(p, pDesc->wszFileName);
 242                 }
 243                 TRACE(": loading from file (%s)\n", debugstr_w(wszFileName));
 244                 /* create stream and associate it with file */
 245                 result = DMUSIC_CreateDirectMusicLoaderFileStream ((LPVOID*)&pStream);
 246                 if (FAILED(result)) {
 247                         ERR(": could not create file stream\n");
 248                         return result;
 249                 }
 250                 result = IDirectMusicLoaderFileStream_Attach (pStream, wszFileName, iface);
 251                 if (FAILED(result)) {
 252                         ERR(": could not attach stream to file\n");
 253                         IStream_Release (pStream);
 254                         return result;
 255                 }
 256         }
 257         else if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 258                 /* load object from resource */
 259                 TRACE(": loading from resource\n");
 260                 /* create stream and associate it with given resource */
 261                 result = DMUSIC_CreateDirectMusicLoaderResourceStream ((LPVOID*)&pStream);
 262                 if (FAILED(result)) {
 263                         ERR(": could not create resource stream\n");
 264                         return result;
 265                 }
 266                 result = IDirectMusicLoaderResourceStream_Attach (pStream, pDesc->pbMemData, pDesc->llMemLength, 0, iface);
 267                 if (FAILED(result)) {
 268                         ERR(": could not attach stream to resource\n");
 269                         IStream_Release (pStream);
 270                         return result;
 271                 }
 272         }
 273         else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 274                 /* load object from stream */
 275                 TRACE(": loading from stream\n");
 276                 /* create universal stream and associate it with given one */
 277                 result = DMUSIC_CreateDirectMusicLoaderGenericStream ((LPVOID*)&pStream);
 278                 if (FAILED(result)) {
 279                         ERR(": could not create generic stream\n");
 280                         return result;
 281                 }
 282                 result = IDirectMusicLoaderGenericStream_Attach (pStream, pDesc->pStream, iface);
 283                 if (FAILED(result)) {
 284                         ERR(": failed to attach stream\n");
 285                         IStream_Release (pStream);
 286                         return result;
 287                 }
 288         } else {
 289                 /* nowhere to load from */
 290                 FIXME(": unknown/unsupported way of loading\n");
 291                 return DMUS_E_LOADER_NOFILENAME; /* test shows this is returned */
 292         }
 293
 294         /* create object */
 295         result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
 296         if (FAILED(result)) {
 297                 ERR(": could not create object\n");
 298                 return result;
 299         }
 300         /* acquire PersistStream interface */
 301         result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
 302         if (FAILED(result)) {
 303                 ERR("failed to Query\n");
 304                 return result;
 305         }
 306         /* load */
 307         result = IPersistStream_Load (pPersistStream, pStream);
 308         if (result != S_OK) {
 309                 WARN(": failed to (completely) load object (%s)\n", debugstr_dmreturn(result));
 310                 ret = DMUS_S_PARTIALLOAD /*result*/;
 311         }
 312         /* get descriptor */
 313         DM_STRUCT_INIT(&GotDesc);
 314         result = IDirectMusicObject_GetDescriptor (pObject, &GotDesc);
 315         /* set filename (if we loaded via filename) */
 316         if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 317                 GotDesc.dwValidData |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
 318                 strcpyW (GotDesc.wszFileName, pDesc->wszFileName);
 319         }
 320         if (FAILED(result)) {
 321                 ERR(": failed to get descriptor\n");
 322                 return result;
 323         }
 324         /* release all loading related stuff */
 325         IStream_Release (pStream);
 326         IPersistStream_Release (pPersistStream);
 327
 328         /* add object to cache/overwrite existing info (if cache is enabled) */
 329         DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, NULL, &bCache);
 330         if (bCache) {
 331                 if (!pObjectEntry) {
 332                         pObjectEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_ENTRY));
 333                         DM_STRUCT_INIT(&pObjectEntry->Desc);
 334                         DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
 335                         pObjectEntry->pObject = pObject;
 336                         pObjectEntry->bInvalidDefaultDLS = FALSE;
 337                         list_add_head (This->pObjects, &pObjectEntry->entry);
 338                 } else {
 339                         DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
 340                         pObjectEntry->pObject = pObject;
 341                         pObjectEntry->bInvalidDefaultDLS = FALSE;
 342                 }
 343                 TRACE(": filled in cache entry\n");
 344         } else TRACE(": caching disabled\n");
 345
 346 #if 0
 347         /* for debug purposes (e.g. to check if all files are cached) */
 348         TRACE("*** Loader's cache ***\n");
 349         int i = 0;
 350         LIST_FOR_EACH (pEntry, This->pObjects) {
 351                 i++;
 352                 pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 353                 TRACE(": entry nr. %i:\n%s\n  - bInvalidDefaultDLS = %i\n  - pObject = %p\n", i, debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc), pObjectEntry->bInvalidDefaultDLS, pObjectEntry->pObject);
 354         }
 355 #endif
 356
 357         result = IDirectMusicObject_QueryInterface (pObject, riid, ppv);
 358         if (!bCache) IDirectMusicObject_Release (pObject); /* since loader's reference is not needed */
 359         /* if there was trouble with loading, and if no other error occurred,
 360            we should return DMUS_S_PARTIALLOAD; else, error is returned */
 361         if (result == S_OK)
 362                 return ret;
 363         else
 364                 return result;
 365 }
 366
 367 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc) {
 368         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 369         LPSTREAM pStream;
 370         LPDIRECTMUSICOBJECT pObject;
 371         DMUS_OBJECTDESC Desc;
 372         struct list *pEntry;
 373         LPWINE_LOADER_ENTRY pObjectEntry, pNewEntry;
 374         HRESULT hr;
 375
 376         TRACE("(%p, %p): pDesc:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC(pDesc));
 377
 378         /* create stream and load additional info from it */
 379         if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 380                 /* generate filename; if it's full path, don't add search
 381                    directory path, otherwise do */
 382                 WCHAR wszFileName[MAX_PATH];
 383
 384                 if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
 385                         lstrcpyW(wszFileName, pDesc->wszFileName);
 386                 } else {
 387                         WCHAR *p;
 388                         WCHAR wszSearchPath[MAX_PATH];
 389                         DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, wszSearchPath, NULL);
 390                         lstrcpyW(wszFileName, wszSearchPath);
 391                         p = wszFileName + lstrlenW(wszFileName);
 392                         if (p > wszFileName && p[-1] != '\\') *p++ = '\\';
 393                         strcpyW(p, pDesc->wszFileName);
 394                 }
 395                 /* create stream */
 396                 hr = DMUSIC_CreateDirectMusicLoaderFileStream ((LPVOID*)&pStream);
 397                 if (FAILED(hr)) {
 398                         ERR(": could not create file stream\n");
 399                         return DMUS_E_LOADER_FAILEDOPEN;
 400                 }
 401                 /* attach stream */
 402                 hr = IDirectMusicLoaderFileStream_Attach (pStream, wszFileName, iface);
 403                 if (FAILED(hr)) {
 404                         ERR(": could not attach stream to file\n");
 405                         IStream_Release (pStream);
 406                         return DMUS_E_LOADER_FAILEDOPEN;
 407                 }
 408         }
 409         else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 410                 /* create stream */
 411                 hr = DMUSIC_CreateDirectMusicLoaderGenericStream ((LPVOID*)&pStream);
 412                 if (FAILED(hr)) {
 413                         ERR(": could not create generic stream\n");
 414                         return DMUS_E_LOADER_FAILEDOPEN;
 415                 }
 416                 /* attach stream */
 417                 hr = IDirectMusicLoaderGenericStream_Attach (pStream, pDesc->pStream, iface);
 418                 if (FAILED(hr)) {
 419                         ERR(": could not attach stream\n");
 420                         IStream_Release (pStream);
 421                         return DMUS_E_LOADER_FAILEDOPEN;
 422                 }
 423         }
 424         else if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 425                 /* create stream */
 426                 hr = DMUSIC_CreateDirectMusicLoaderResourceStream ((LPVOID*)&pStream);
 427                 if (FAILED(hr)) {
 428                         ERR(": could not create resource stream\n");
 429                         return DMUS_E_LOADER_FAILEDOPEN;
 430                 }
 431                 /* attach stream */
 432                 hr = IDirectMusicLoaderResourceStream_Attach (pStream, pDesc->pbMemData, pDesc->llMemLength, 0, iface);
 433                 if (FAILED(hr)) {
 434                         ERR(": could not attach stream to resource\n");
 435                         IStream_Release (pStream);
 436                         return DMUS_E_LOADER_FAILEDOPEN;
 437                 }
 438         }
 439         else {
 440                 ERR(": no way to get additional info\n");
 441                 return DMUS_E_LOADER_FAILEDOPEN;
 442         }
 443
 444         /* create object */
 445         CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
 446
 447         /* *sigh*... some ms objects have lousy implementation of ParseDescriptor that clears input descriptor :( */
 448 #ifdef NOW_WE_ARE_FREE
 449         /* parse descriptor: we actually use input descriptor; fields that aren't available from stream remain,
 450            otherwise real info is set */
 451          IDirectMusicObject_ParseDescriptor (pObject, pStream, pDesc);
 452 #endif
 453         /* hmph... due to some trouble I had with certain tests, we store current position and then set it back */
 454         DM_STRUCT_INIT(&Desc);
 455         if (FAILED(IDirectMusicObject_ParseDescriptor (pObject, pStream, &Desc))) {
 456                 ERR(": couldn't parse descriptor\n");
 457                 return DMUS_E_LOADER_FORMATNOTSUPPORTED;
 458         }
 459
 460         /* copy elements from parsed descriptor into input descriptor; this sets new info, overwriting if necessary,
 461            but leaves info that's provided by input and not available from stream */
 462         DMUSIC_CopyDescriptor (pDesc, &Desc);
 463
 464         /* release everything */
 465         IDirectMusicObject_Release (pObject);
 466         IStream_Release (pStream);
 467
 468         /* sometimes it happens that twisted programs call SetObject for same object twice...
 469            in such cases, native loader returns S_OK and does nothing... a sound plan */
 470         LIST_FOR_EACH (pEntry, This->pObjects) {
 471                 pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 472                 if (!memcmp (&pObjectEntry->Desc, pDesc, sizeof(DMUS_OBJECTDESC))) {
 473                         TRACE(": exactly same entry already exists\n");
 474                         return S_OK;
 475                 }
 476         }
 477
 478         /* add new entry */
 479         TRACE(": adding alias entry with following info:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
 480         pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_ENTRY));
 481         /* use this function instead of pure memcpy due to streams (memcpy just copies pointer),
 482            which is basically used further by app that called SetDescriptor... better safety than exception */
 483         DMUSIC_CopyDescriptor (&pNewEntry->Desc, pDesc);
 484         list_add_head (This->pObjects, &pNewEntry->entry);
 485
 486         return S_OK;
 487 }
 488
 489 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear) {
 490         WCHAR wszCurrentPath[MAX_PATH];
 491         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 492         TRACE("(%p, %s, %s, %d)\n", This, debugstr_dmguid(rguidClass), debugstr_w(pwzPath), fClear);
 493         FIXME(": fClear ignored\n");
 494         DMUSIC_GetLoaderSettings (iface, rguidClass, wszCurrentPath, NULL);
 495         if (!strncmpW(wszCurrentPath, pwzPath, MAX_PATH)) {
 496           return S_FALSE;
 497         }
 498         /* FIXME: check if path is valid; else return DMUS_E_LOADER_BADPATH */
 499         return DMUSIC_SetLoaderSettings (iface, rguidClass, pwzPath, NULL);
 500 }
 501
 502 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName) {
 503         static const WCHAR wszAny[] = {'*',0};
 504         WIN32_FIND_DATAW FileData;
 505         HANDLE hSearch;
 506         WCHAR wszSearchString[MAX_PATH];
 507         WCHAR *p;
 508         HRESULT result;
 509         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 510         TRACE("(%p, %s, %p, %p)\n", This, debugstr_dmguid(rguidClass), pwzFileExtension, pwzScanFileName);
 511         if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || !DMUSIC_IsValidLoadableClass(rguidClass)) {
 512                 ERR(": rguidClass invalid CLSID\n");
 513                 return REGDB_E_CLASSNOTREG;
 514         }
 515
 516         /* get search path for given class */
 517         DMUSIC_GetLoaderSettings (iface, rguidClass, wszSearchString, NULL);
 518
 519         p = wszSearchString + lstrlenW(wszSearchString);
 520         if (p > wszSearchString && p[-1] != '\\') *p++ = '\\';
 521         *p++ = '*'; /* any file */
 522         if (strcmpW (pwzFileExtension, wszAny)) *p++ = '.'; /* if we have actual extension, put a dot */
 523         strcpyW (p, pwzFileExtension);
 524
 525         TRACE(": search string: %s\n", debugstr_w(wszSearchString));
 526
 527         hSearch = FindFirstFileW (wszSearchString, &FileData);
 528         if (hSearch == INVALID_HANDLE_VALUE) {
 529                 TRACE(": no files found\n");
 530                 return S_FALSE;
 531         }
 532
 533         do {
 534                 DMUS_OBJECTDESC Desc;
 535                 DM_STRUCT_INIT(&Desc);
 536                 Desc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_DATE;
 537                 Desc.guidClass = *rguidClass;
 538                 strcpyW (Desc.wszFileName, FileData.cFileName);
 539                 FileTimeToLocalFileTime (&FileData.ftCreationTime, &Desc.ftDate);
 540                 IDirectMusicLoader8_SetObject (iface, &Desc);
 541
 542                 if (!FindNextFileW (hSearch, &FileData)) {
 543                         if (GetLastError () == ERROR_NO_MORE_FILES) {
 544                                 TRACE(": search completed\n");
 545                                 result = S_OK;
 546                         } else {
 547                                 ERR(": could not get next file\n");
 548                                 result = E_FAIL;
 549                         }
 550                         FindClose (hSearch);
 551                         return result;
 552                 }
 553         } while (1);
 554 }
 555
 556 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
 557         DMUS_OBJECTDESC Desc;
 558         HRESULT result = DMUS_E_LOADER_OBJECTNOTFOUND;
 559         struct list *pEntry;
 560         LPWINE_LOADER_ENTRY  pObjectEntry = NULL;
 561
 562         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 563         TRACE("(%p, %p)\n", This, pObject);
 564
 565         /* get descriptor */
 566         DM_STRUCT_INIT(&Desc);
 567         IDirectMusicObject_GetDescriptor (pObject, &Desc);
 568
 569         /* now iterate thru list and check if we have alias (without object), corresponding
 570            to descriptor of input object */
 571         LIST_FOR_EACH(pEntry, This->pObjects) {
 572                 pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 573                 if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 574                         (pObjectEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 575                         IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
 576                         TRACE(": found it by object GUID\n");
 577                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 578                                 result = S_FALSE;
 579                         else
 580                                 result = S_OK;
 581                         break;
 582                 }
 583                 else if ((Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 584                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 585                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 586                         TRACE(": found it by fullpath filename\n");
 587                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 588                                 result = S_FALSE;
 589                         else
 590                                 result = S_OK;
 591                         break;
 592                 }
 593                 else if ((Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 594                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 595                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME) &&
 596                                 !strncmpW (Desc.wszCategory, pObjectEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
 597                         TRACE(": found it by name and category\n");
 598                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 599                                 result = S_FALSE;
 600                         else
 601                                 result = S_OK;
 602                         break;
 603                 }
 604                 else if ((Desc.dwValidData & DMUS_OBJ_NAME) &&
 605                                 (pObjectEntry->Desc.dwValidData & DMUS_OBJ_NAME) &&
 606                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME)) {
 607                         TRACE(": found it by name\n");
 608                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 609                                 result = S_FALSE;
 610                         else
 611                                 result = S_OK;
 612                         break;
 613                 }
 614                 else if ((Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 615                                 (pObjectEntry->Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 616                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 617                         TRACE(": found it by filename\n");
 618                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 619                                 result = S_FALSE;
 620                         else
 621                                 result = S_OK;
 622                         break;
 623                 }
 624         }
 625
 626         /* if we found such alias, then set everything */
 627         if (result == S_OK) {
 628                 pObjectEntry->Desc.dwValidData &= DMUS_OBJ_LOADED;
 629                 pObjectEntry->pObject = pObject;
 630                 IDirectMusicObject_AddRef (pObjectEntry->pObject);
 631         }
 632
 633         return result;
 634 }
 635
 636 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
 637         DMUS_OBJECTDESC Desc;
 638         struct list *pEntry;
 639         LPWINE_LOADER_ENTRY pObjectEntry = NULL;
 640         HRESULT result = S_FALSE;
 641
 642         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 643         TRACE("(%p, %p)\n", This, pObject);
 644
 645         if(!pObject) return E_POINTER;
 646
 647         /* get descriptor */
 648         DM_STRUCT_INIT(&Desc);
 649         IDirectMusicObject_GetDescriptor (pObject, &Desc);
 650
 651         /* iterate thru the list of objects we know about; check only those with DMUS_OBJ_LOADED */
 652         TRACE(": looking for the object in cache\n");
 653         LIST_FOR_EACH(pEntry, This->pObjects) {
 654                 pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 655                 if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 656                         (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_OBJECT | DMUS_OBJ_LOADED)) &&
 657                         IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
 658                         TRACE(": found it by object GUID\n%s\n", debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc));
 659                         result = S_OK;
 660                         break;
 661                 }
 662                 else if ((Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 663                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_LOADED)) &&
 664                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 665                         TRACE(": found it by fullpath filename\n");
 666                         result = S_OK;
 667                         break;
 668                 }
 669                 else if ((Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 670                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY | DMUS_OBJ_LOADED)) &&
 671                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME) &&
 672                                 !strncmpW (Desc.wszCategory, pObjectEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
 673                         TRACE(": found it by name and category\n");
 674                         result = S_OK;
 675                         break;
 676                 }
 677                 else if ((Desc.dwValidData & DMUS_OBJ_NAME) &&
 678                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_LOADED)) &&
 679                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME)) {
 680                         TRACE(": found it by name\n");
 681                         result = S_OK;
 682                         break;
 683                 }
 684                 else if ((Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 685                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_LOADED)) &&
 686                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 687                         TRACE(": found it by filename\n");
 688                         result = S_OK;
 689                         break;
 690                 }
 691         }
 692         if (result == S_OK) {
 693                 /*TRACE(": releasing:\n%s  - bInvalidDefaultDLS = %i\n  - pObject = %p\n", debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc), pObjectEntry->bInvalidDefaultDLS, pObjectEntry->pObject); */
 694                 IDirectMusicObject_Release (pObjectEntry->pObject);
 695                 pObjectEntry->pObject = NULL;
 696                 pObjectEntry->Desc.dwValidData &= ~DMUS_OBJ_LOADED;
 697         }
 698         return result;
 699 }
 700
 701 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass) {
 702         struct list *pEntry;
 703         LPWINE_LOADER_ENTRY pObjectEntry;
 704         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 705         TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidClass));
 706
 707         LIST_FOR_EACH (pEntry, This->pObjects) {
 708                 pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 709
 710                 if ((IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) &&
 711                         (pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED)) {
 712                         /* basically, wrap to ReleaseObject for each object found */
 713                         IDirectMusicLoader8_ReleaseObject (iface, pObjectEntry->pObject);
 714                 }
 715         }
 716
 717         return S_OK;
 718 }
 719
 720 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable) {
 721         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 722         BOOL bCurrent;
 723         TRACE("(%p, %s, %d)\n", This, debugstr_dmguid(rguidClass), fEnable);
 724         DMUSIC_GetLoaderSettings (iface, rguidClass, NULL, &bCurrent);
 725         if (bCurrent == fEnable)
 726                 return S_FALSE;
 727         else
 728                 return DMUSIC_SetLoaderSettings (iface, rguidClass, NULL, &fEnable);
 729 }
 730
 731 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc) {
 732         DWORD dwCount = 0;
 733         struct list *pEntry;
 734         LPWINE_LOADER_ENTRY pObjectEntry;
 735         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 736         TRACE("(%p, %s, %d, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc);
 737
 738         DM_STRUCT_INIT(pDesc);
 739
 740         LIST_FOR_EACH (pEntry, This->pObjects) {
 741                 pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 742
 743                 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) {
 744                         if (dwCount == dwIndex) {
 745                                 *pDesc = pObjectEntry->Desc;
 746                                 /* we aren't supposed to reveal this info */
 747                                 pDesc->dwValidData &= ~(DMUS_OBJ_MEMORY | DMUS_OBJ_STREAM);
 748                                 pDesc->pbMemData = NULL;
 749                                 pDesc->llMemLength = 0;
 750                                 pDesc->pStream = NULL;
 751                                 return S_OK;
 752                         }
 753                         dwCount++;
 754                 }
 755         }
 756
 757         TRACE(": not found\n");
 758         return S_FALSE;
 759 }
 760
 761 static void WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_CollectGarbage (LPDIRECTMUSICLOADER8 iface) {
 762         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 763         FIXME("(%p): stub\n", This);
 764 }
 765
 766 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject) {
 767         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 768         HRESULT result;
 769         LPDIRECTMUSICOBJECT pObjectInterface;
 770
 771         TRACE("(%p, %p)\n", This, pObject);
 772
 773         if (IsBadReadPtr (pObject, sizeof(LPUNKNOWN))) {
 774                 ERR(": pObject bad write pointer\n");
 775                 return E_POINTER;
 776         }
 777         /* we simply get IDirectMusicObject interface */
 778         result = IUnknown_QueryInterface (pObject, &IID_IDirectMusicObject, (LPVOID*)&pObjectInterface);
 779         if (FAILED(result)) return result;
 780         /* and release it in old-fashioned way */
 781         result = IDirectMusicLoader8_ReleaseObject (iface, pObjectInterface);
 782         IDirectMusicObject_Release (pObjectInterface);
 783
 784         return result;
 785 }
 786
 787 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClassID, REFIID iidInterfaceID, WCHAR* pwzFilePath, void** ppObject) {
 788         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 789         DMUS_OBJECTDESC ObjDesc;
 790         WCHAR wszLoaderSearchPath[MAX_PATH];
 791
 792         TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoaderImpl_GetObject\n", This, debugstr_dmguid(rguidClassID), debugstr_dmguid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
 793
 794         DM_STRUCT_INIT(&ObjDesc);
 795         ObjDesc.dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_CLASS; /* I believe I've read somewhere in MSDN that this function requires either full path or relative path */
 796         ObjDesc.guidClass = *rguidClassID;
 797         /* OK, MSDN says that search order is the following:
 798             - current directory (DONE)
 799             - windows search path (FIXME: how do I get that?)
 800             - loader's search path (DONE)
 801         */
 802         DMUSIC_GetLoaderSettings (iface, rguidClassID, wszLoaderSearchPath, NULL);
 803     /* search in current directory */
 804         if (!SearchPathW (NULL, pwzFilePath, NULL, sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL) &&
 805         /* search in loader's search path */
 806                 !SearchPathW (wszLoaderSearchPath, pwzFilePath, NULL, sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL)) {
 807                 /* cannot find file */
 808                 TRACE(": cannot find file\n");
 809                 return DMUS_E_LOADER_FAILEDOPEN;
 810         }
 811
 812         TRACE(": full file path = %s\n", debugstr_w (ObjDesc.wszFileName));
 813
 814         return IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
 815 }
 816
 817 static const IDirectMusicLoader8Vtbl DirectMusicLoader_Loader_Vtbl = {
 818         IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface,
 819         IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef,
 820         IDirectMusicLoaderImpl_IDirectMusicLoader_Release,
 821         IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject,
 822         IDirectMusicLoaderImpl_IDirectMusicLoader_SetObject,
 823         IDirectMusicLoaderImpl_IDirectMusicLoader_SetSearchDirectory,
 824         IDirectMusicLoaderImpl_IDirectMusicLoader_ScanDirectory,
 825         IDirectMusicLoaderImpl_IDirectMusicLoader_CacheObject,
 826         IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObject,
 827         IDirectMusicLoaderImpl_IDirectMusicLoader_ClearCache,
 828         IDirectMusicLoaderImpl_IDirectMusicLoader_EnableCache,
 829         IDirectMusicLoaderImpl_IDirectMusicLoader_EnumObject,
 830         IDirectMusicLoaderImpl_IDirectMusicLoader_CollectGarbage,
 831         IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObjectByUnknown,
 832         IDirectMusicLoaderImpl_IDirectMusicLoader_LoadObjectFromFile
 833 };
 834
 835 /* help function for DMUSIC_SetDefaultDLS */
 836 static HRESULT DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]) {
 837         HKEY hkDM;
 838         DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
 839         char szPath[MAX_PATH];
 840
 841         if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
 842             (RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, (LPBYTE) szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
 843                 WARN(": registry entry missing\n" );
 844                 return E_FAIL;
 845         }
 846         /* FIXME: Check return types to ensure we're interpreting data right */
 847         MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
 848
 849         return S_OK;
 850 }
 851
 852 /* for ClassFactory */
 853 HRESULT WINAPI DMUSIC_CreateDirectMusicLoaderImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 854         IDirectMusicLoaderImpl *obj;
 855         DMUS_OBJECTDESC Desc;
 856         LPWINE_LOADER_ENTRY pDefaultDLSEntry;
 857         struct list *pEntry;
 858
 859         TRACE("(%s, %p, %p)\n", debugstr_dmguid(lpcGUID), ppobj, pUnkOuter);
 860         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoaderImpl));
 861         if (NULL == obj) {
 862                 *ppobj = NULL;
 863                 return E_OUTOFMEMORY;
 864         }
 865         obj->LoaderVtbl = &DirectMusicLoader_Loader_Vtbl;
 866         obj->dwRef = 0; /* will be inited with QueryInterface */
 867         /* init critical section */
 868         /* init cache/alias list */
 869         /*InitializeCriticalSection (&obj->CritSect);
 870         obj->CritSect.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDirectMusicLoaderImpl.CritSect"); */
 871         obj->pObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
 872         list_init (obj->pObjects);
 873         /* init settings */
 874         obj->pClassSettings = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
 875         list_init (obj->pClassSettings);
 876         DMUSIC_InitLoaderSettings ((LPDIRECTMUSICLOADER8)obj);
 877
 878         /* set default DLS collection (via SetObject... so that loading via DMUS_OBJ_OBJECT is possible) */
 879         DM_STRUCT_INIT(&Desc);
 880         Desc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_OBJECT;
 881         Desc.guidClass = CLSID_DirectMusicCollection;
 882         Desc.guidObject = GUID_DefaultGMCollection;
 883         DMUSIC_GetDefaultGMPath (Desc.wszFileName);
 884         IDirectMusicLoader_SetObject ((LPDIRECTMUSICLOADER8)obj, &Desc);
 885         /* and now the workaroundTM for "invalid" default DLS; basically,
 886            my tests showed that if GUID chunk is present in default DLS
 887            collection, loader treats it as "invalid" and returns
 888            DMUS_E_LOADER_NOFILENAME for all requests for it; basically, we check
 889            if out input guidObject was overwritten */
 890         pEntry = list_head (obj->pObjects);
 891         pDefaultDLSEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 892         if (!IsEqualGUID(&Desc.guidObject, &GUID_DefaultGMCollection)) {
 893                 pDefaultDLSEntry->bInvalidDefaultDLS = TRUE;
 894         }
 895
 896         lock_module();
 897
 898         return IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface ((LPDIRECTMUSICLOADER8)obj, lpcGUID, ppobj);
 899 }
 900
 901 /* help function for retrieval of search path and caching option for certain class */
 902 static HRESULT DMUSIC_GetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache) {
 903         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 904         struct list *pEntry;
 905         TRACE(": (%p, %s, %p, %p)\n", This, debugstr_dmguid(pClassID), wszSearchPath, pbCache);
 906
 907         LIST_FOR_EACH(pEntry, This->pClassSettings) {
 908                 LPWINE_LOADER_OPTION pOptionEntry = LIST_ENTRY(pEntry, WINE_LOADER_OPTION, entry);
 909                 if (IsEqualCLSID (pClassID, &pOptionEntry->guidClass)) {
 910                         if (wszSearchPath)
 911                                 strcpyW(wszSearchPath, pOptionEntry->wszSearchPath);
 912                         if (pbCache)
 913                                 *pbCache = pOptionEntry->bCache;
 914                         return S_OK;
 915                 }
 916         }
 917         return S_FALSE;
 918 }
 919
 920 /* help function for setting search path and caching option for certain class */
 921 static HRESULT DMUSIC_SetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache) {
 922         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 923         struct list *pEntry;
 924         HRESULT result = S_FALSE; /* in case pClassID != GUID_DirectMusicAllTypes and not a valid CLSID */
 925         TRACE(": (%p, %s, %p, %p)\n", This, debugstr_dmguid(pClassID), wszSearchPath, pbCache);
 926
 927         LIST_FOR_EACH(pEntry, This->pClassSettings) {
 928                 LPWINE_LOADER_OPTION pOptionEntry = LIST_ENTRY(pEntry, WINE_LOADER_OPTION, entry);
 929                 /* well, either we have GUID_DirectMusicAllTypes and need to set it to all,
 930                    or specific CLSID is given and we set it only to it */
 931                 if (IsEqualGUID (pClassID, &GUID_DirectMusicAllTypes) ||
 932                         IsEqualCLSID (pClassID, &pOptionEntry->guidClass)) {
 933                         if (wszSearchPath)
 934                                 strcpyW(pOptionEntry->wszSearchPath, wszSearchPath);
 935                         if (pbCache)
 936                                 pOptionEntry->bCache = *pbCache;
 937                         result = S_OK;
 938                 }
 939         }
 940
 941         return result;
 942 }
 943
 944 static HRESULT DMUSIC_InitLoaderSettings (LPDIRECTMUSICLOADER8 iface) {
 945         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 946
 947         /* hard-coded list of classes */
 948         static REFCLSID classes[] = {
 949                 &CLSID_DirectMusicAudioPathConfig,
 950                 &CLSID_DirectMusicBand,
 951                 &CLSID_DirectMusicContainer,
 952                 &CLSID_DirectMusicCollection,
 953                 &CLSID_DirectMusicChordMap,
 954                 &CLSID_DirectMusicSegment,
 955                 &CLSID_DirectMusicScript,
 956                 &CLSID_DirectMusicSong,
 957                 &CLSID_DirectMusicStyle,
 958                 &CLSID_DirectMusicGraph,
 959                 &CLSID_DirectSoundWave
 960         };
 961
 962         unsigned int i;
 963         WCHAR wszCurrent[MAX_PATH];
 964
 965         TRACE(": (%p)\n", This);
 966         GetCurrentDirectoryW (MAX_PATH, wszCurrent);
 967
 968         for (i = 0; i < sizeof(classes)/sizeof(REFCLSID); i++) {
 969                 LPWINE_LOADER_OPTION pNewSetting = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_OPTION));
 970                 pNewSetting->guidClass = *classes[i];
 971                 strcpyW (pNewSetting->wszSearchPath, wszCurrent);
 972                 pNewSetting->bCache = TRUE;
 973                 list_add_tail (This->pClassSettings, &pNewSetting->entry);
 974         }
 975
 976         return S_OK;
 977 }