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   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
 108             /* decrease number of instances */
 109             InterlockedDecrement (&dwDirectMusicLoader);
 110         }
 111
 112         return dwRef;
 113 }
 114
 115 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv) {
 116         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 117         HRESULT result = S_OK;
 118         HRESULT ret = S_OK; /* used at the end of function, to determine whether everything went OK */
 119
 120         struct list *pEntry;
 121         LPWINE_LOADER_ENTRY pObjectEntry = NULL;
 122         LPSTREAM pStream;
 123         IPersistStream* pPersistStream = NULL;
 124
 125         LPDIRECTMUSICOBJECT pObject;
 126         DMUS_OBJECTDESC GotDesc;
 127         BOOL bCache;
 128
 129         TRACE("(%p, %p, %s, %p): pDesc:\n%s\n", This, pDesc, debugstr_dmguid(riid), ppv, debugstr_DMUS_OBJECTDESC(pDesc));
 130
 131         /* sometimes it happens that guidClass is missing... which is a BadThingTM */
 132         if (!(pDesc->dwValidData & DMUS_OBJ_CLASS)) {
 133           ERR(": guidClass not valid but needed\n");
 134           *ppv = NULL;
 135           return DMUS_E_LOADER_NOCLASSID;
 136         }
 137
 138         /* OK, first we iterate thru the list of objects we know about; these are either loaded (GetObject, LoadObjectFromFile)
 139            or set via SetObject; */
 140         TRACE(": looking if we have object in the cache or if it can be found via alias\n");
 141         LIST_FOR_EACH(pEntry, This->pObjects) {
 142                 LPWINE_LOADER_ENTRY pExistingEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 143                 if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) &&
 144                         (pExistingEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 145                         IsEqualGUID (&pDesc->guidObject, &pExistingEntry->Desc.guidObject)) {
 146                         TRACE(": found it by object GUID\n");
 147                         /* I suppose such stuff can happen only when GUID for object is given (GUID_DefaultGMCollection) */
 148                         if (pExistingEntry->bInvalidDefaultDLS) {
 149                                 TRACE(": found faulty default DLS collection... enabling M$ compliant behaviour\n");
 150                                 return DMUS_E_LOADER_NOFILENAME;
 151                         }
 152                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 153                                 TRACE(": already loaded\n");
 154                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 155                         } else {
 156                                 TRACE(": not loaded yet\n");
 157                                 pObjectEntry = pExistingEntry;
 158                         }
 159                 }
 160                 else if ((pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 161                                 (pExistingEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 162                                 !strncmpW (pDesc->wszFileName, pExistingEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 163                         TRACE(": found it by fullpath filename\n");
 164                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 165                                 TRACE(": already loaded\n");
 166                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 167                         } else {
 168                                 TRACE(": not loaded yet\n");
 169                                 pObjectEntry = pExistingEntry;
 170                         }
 171                 }
 172                 else if ((pDesc->dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 173                                 (pExistingEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 174                                 !strncmpW (pDesc->wszName, pExistingEntry->Desc.wszName, DMUS_MAX_NAME) &&
 175                                 !strncmpW (pDesc->wszCategory, pExistingEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
 176                         TRACE(": found it by name and category\n");
 177                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 178                                 TRACE(": already loaded\n");
 179                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 180                         } else {
 181                                 TRACE(": not loaded yet\n");
 182                                 pObjectEntry = pExistingEntry;
 183                         }
 184                 }
 185                 else if ((pDesc->dwValidData & DMUS_OBJ_NAME) &&
 186                                 (pExistingEntry->Desc.dwValidData & DMUS_OBJ_NAME) &&
 187                                 !strncmpW (pDesc->wszName, pExistingEntry->Desc.wszName, DMUS_MAX_NAME)) {
 188                         TRACE(": found it by name\n");
 189                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 190                                 TRACE(": already loaded\n");
 191                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 192                         } else {
 193                                 TRACE(": not loaded yet\n");
 194                                 pObjectEntry = pExistingEntry;
 195                         }
 196                 }
 197                 else if ((pDesc->dwValidData & DMUS_OBJ_FILENAME) &&
 198                                 (pExistingEntry->Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 199                                 !strncmpW (pDesc->wszFileName, pExistingEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 200                         TRACE(": found it by filename\n");
 201                         if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
 202                                 TRACE(": already loaded\n");
 203                                 return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
 204                         } else {
 205                                 TRACE(": not loaded yet\n");
 206                                 pObjectEntry = pExistingEntry;
 207                         }
 208                 }
 209         }
 210
 211         /* basically, if we found alias, we use its descriptor to load...
 212            else we use info we were given */
 213         if (pObjectEntry) {
 214                 TRACE(": found alias entry for requested object... using stored info\n");
 215                 /* I think in certain cases it can happen that entry's descriptor lacks info
 216                    where to load from (e.g.: if we loaded from stream and then released object
 217                    from cache; then only it's CLSID, GUID and perhaps name are left); so just
 218                    overwrite info entry has (since it ought to be 100% correct) */
 219                 DMUSIC_CopyDescriptor (pDesc, &pObjectEntry->Desc);
 220                 /*pDesc = &pObjectEntry->Desc; */ /* FIXME: is this OK? */
 221         } else {
 222                 TRACE(": no cache/alias entry found for requested object\n");
 223         }
 224
 225         if (pDesc->dwValidData & DMUS_OBJ_URL) {
 226                 TRACE(": loading from URLs not supported yet\n");
 227                 return DMUS_E_LOADER_FORMATNOTSUPPORTED;
 228         }
 229         else if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 230                 /* load object from file */
 231                 /* generate filename; if it's full path, don't add search
 232                    directory path, otherwise do */
 233                 WCHAR wszFileName[MAX_PATH];
 234
 235                 if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
 236                         lstrcpyW(wszFileName, pDesc->wszFileName);
 237                 } else {
 238                         WCHAR *p, wszSearchPath[MAX_PATH];
 239                         DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, wszSearchPath, NULL);
 240                         lstrcpyW(wszFileName, wszSearchPath);
 241                         p = wszFileName + lstrlenW(wszFileName);
 242                         if (p > wszFileName && p[-1] != '\\') *p++ = '\\';
 243                         strcpyW(p, pDesc->wszFileName);
 244                 }
 245                 TRACE(": loading from file (%s)\n", debugstr_w(wszFileName));
 246                 /* create stream and associate it with file */
 247                 result = DMUSIC_CreateDirectMusicLoaderFileStream ((LPVOID*)&pStream);
 248                 if (FAILED(result)) {
 249                         ERR(": could not create file stream\n");
 250                         return result;
 251                 }
 252                 result = IDirectMusicLoaderFileStream_Attach (pStream, wszFileName, iface);
 253                 if (FAILED(result)) {
 254                         ERR(": could not attach stream to file\n");
 255                         IStream_Release (pStream);
 256                         return result;
 257                 }
 258         }
 259         else if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 260                 /* load object from resource */
 261                 TRACE(": loading from resource\n");
 262                 /* create stream and associate it with given resource */
 263                 result = DMUSIC_CreateDirectMusicLoaderResourceStream ((LPVOID*)&pStream);
 264                 if (FAILED(result)) {
 265                         ERR(": could not create resource stream\n");
 266                         return result;
 267                 }
 268                 result = IDirectMusicLoaderResourceStream_Attach (pStream, pDesc->pbMemData, pDesc->llMemLength, 0, iface);
 269                 if (FAILED(result)) {
 270                         ERR(": could not attach stream to resource\n");
 271                         IStream_Release (pStream);
 272                         return result;
 273                 }
 274         }
 275         else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 276                 /* load object from stream */
 277                 TRACE(": loading from stream\n");
 278                 /* create universal stream and associate it with given one */
 279                 result = DMUSIC_CreateDirectMusicLoaderGenericStream ((LPVOID*)&pStream);
 280                 if (FAILED(result)) {
 281                         ERR(": could not create generic stream\n");
 282                         return result;
 283                 }
 284                 result = IDirectMusicLoaderGenericStream_Attach (pStream, pDesc->pStream, iface);
 285                 if (FAILED(result)) {
 286                         ERR(": failed to attach stream\n");
 287                         IStream_Release (pStream);
 288                         return result;
 289                 }
 290         } else {
 291                 /* nowhere to load from */
 292                 FIXME(": unknown/unsupported way of loading\n");
 293                 return DMUS_E_LOADER_NOFILENAME; /* test shows this is returned */
 294         }
 295
 296         /* create object */
 297         result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
 298         if (FAILED(result)) {
 299                 ERR(": could not create object\n");
 300                 return result;
 301         }
 302         /* acquire PersistStream interface */
 303         result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
 304         if (FAILED(result)) {
 305                 ERR("failed to Query\n");
 306                 return result;
 307         }
 308         /* load */
 309         result = IPersistStream_Load (pPersistStream, pStream);
 310         if (result != S_OK) {
 311                 WARN(": failed to (completely) load object (%s)\n", debugstr_dmreturn(result));
 312                 ret = DMUS_S_PARTIALLOAD /*result*/;
 313         }
 314         /* get descriptor */
 315         DM_STRUCT_INIT(&GotDesc);
 316         result = IDirectMusicObject_GetDescriptor (pObject, &GotDesc);
 317         /* set filename (if we loaded via filename) */
 318         if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 319                 GotDesc.dwValidData |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
 320                 strcpyW (GotDesc.wszFileName, pDesc->wszFileName);
 321         }
 322         if (FAILED(result)) {
 323                 ERR(": failed to get descriptor\n");
 324                 return result;
 325         }
 326         /* release all loading related stuff */
 327         IStream_Release (pStream);
 328         IPersistStream_Release (pPersistStream);
 329
 330         /* add object to cache/overwrite existing info (if cache is enabled) */
 331         DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, NULL, &bCache);
 332         if (bCache) {
 333                 if (!pObjectEntry) {
 334                         pObjectEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_ENTRY));
 335                         DM_STRUCT_INIT(&pObjectEntry->Desc);
 336                         if (pObject) {
 337                                 DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
 338                                 pObjectEntry->pObject = pObject;
 339                                 pObjectEntry->bInvalidDefaultDLS = FALSE;
 340                         }
 341                         list_add_head (This->pObjects, &pObjectEntry->entry);
 342                 } else {
 343                         if (pObject) {
 344                                 DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
 345                                 pObjectEntry->pObject = pObject;
 346                                 pObjectEntry->bInvalidDefaultDLS = FALSE;
 347                         }
 348                 }
 349                 TRACE(": filled in cache entry\n");
 350         } else TRACE(": caching disabled\n");
 351
 352 #if 0
 353         /* for debug purposes (e.g. to check if all files are cached) */
 354         TRACE("*** Loader's cache ***\n");
 355         int i = 0;
 356         LIST_FOR_EACH (pEntry, This->pObjects) {
 357                 i++;
 358                 pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 359                 TRACE(": entry nr. %i:\n%s\n  - bInvalidDefaultDLS = %i\n  - pObject = %p\n", i, debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc), pObjectEntry->bInvalidDefaultDLS, pObjectEntry->pObject);
 360         }
 361 #endif
 362
 363         result = IDirectMusicObject_QueryInterface (pObject, riid, ppv);
 364         if (!bCache) IDirectMusicObject_Release (pObject); /* since loader's reference is not needed */
 365         /* if there was trouble with loading, and if no other error occurred,
 366            we should return DMUS_S_PARTIALLOAD; else, error is returned */
 367         if (result == S_OK)
 368                 return ret;
 369         else
 370                 return result;
 371 }
 372
 373 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc) {
 374         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 375         LPSTREAM pStream;
 376         LPDIRECTMUSICOBJECT pObject;
 377         DMUS_OBJECTDESC Desc;
 378         struct list *pEntry;
 379         LPWINE_LOADER_ENTRY pObjectEntry, pNewEntry;
 380         HRESULT hr;
 381
 382         TRACE("(%p, %p): pDesc:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC(pDesc));
 383
 384         /* create stream and load additional info from it */
 385         if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
 386                 /* generate filename; if it's full path, don't add search
 387                    directory path, otherwise do */
 388                 WCHAR wszFileName[MAX_PATH];
 389
 390                 if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
 391                         lstrcpyW(wszFileName, pDesc->wszFileName);
 392                 } else {
 393                         WCHAR *p;
 394                         WCHAR wszSearchPath[MAX_PATH];
 395                         DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, wszSearchPath, NULL);
 396                         lstrcpyW(wszFileName, wszSearchPath);
 397                         p = wszFileName + lstrlenW(wszFileName);
 398                         if (p > wszFileName && p[-1] != '\\') *p++ = '\\';
 399                         strcpyW(p, pDesc->wszFileName);
 400                 }
 401                 /* create stream */
 402                 hr = DMUSIC_CreateDirectMusicLoaderFileStream ((LPVOID*)&pStream);
 403                 if (FAILED(hr)) {
 404                         ERR(": could not create file stream\n");
 405                         return DMUS_E_LOADER_FAILEDOPEN;
 406                 }
 407                 /* attach stream */
 408                 hr = IDirectMusicLoaderFileStream_Attach (pStream, wszFileName, iface);
 409                 if (FAILED(hr)) {
 410                         ERR(": could not attach stream to file\n");
 411                         IStream_Release (pStream);
 412                         return DMUS_E_LOADER_FAILEDOPEN;
 413                 }
 414         }
 415         else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 416                 /* create stream */
 417                 hr = DMUSIC_CreateDirectMusicLoaderGenericStream ((LPVOID*)&pStream);
 418                 if (FAILED(hr)) {
 419                         ERR(": could not create generic stream\n");
 420                         return DMUS_E_LOADER_FAILEDOPEN;
 421                 }
 422                 /* attach stream */
 423                 hr = IDirectMusicLoaderGenericStream_Attach (pStream, pDesc->pStream, iface);
 424                 if (FAILED(hr)) {
 425                         ERR(": could not attach stream\n");
 426                         IStream_Release (pStream);
 427                         return DMUS_E_LOADER_FAILEDOPEN;
 428                 }
 429         }
 430         else if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 431                 /* create stream */
 432                 hr = DMUSIC_CreateDirectMusicLoaderResourceStream ((LPVOID*)&pStream);
 433                 if (FAILED(hr)) {
 434                         ERR(": could not create resource stream\n");
 435                         return DMUS_E_LOADER_FAILEDOPEN;
 436                 }
 437                 /* attach stream */
 438                 hr = IDirectMusicLoaderResourceStream_Attach (pStream, pDesc->pbMemData, pDesc->llMemLength, 0, iface);
 439                 if (FAILED(hr)) {
 440                         ERR(": could not attach stream to resource\n");
 441                         IStream_Release (pStream);
 442                         return DMUS_E_LOADER_FAILEDOPEN;
 443                 }
 444         }
 445         else {
 446                 ERR(": no way to get additional info\n");
 447                 return DMUS_E_LOADER_FAILEDOPEN;
 448         }
 449
 450         /* create object */
 451         CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
 452
 453         /* *sigh*... some ms objects have lousy implementation of ParseDescriptor that clears input descriptor :( */
 454 #ifdef NOW_WE_ARE_FREE
 455         /* parse descriptor: we actually use input descriptor; fields that aren't available from stream remain,
 456            otherwise real info is set */
 457          IDirectMusicObject_ParseDescriptor (pObject, pStream, pDesc);
 458 #endif
 459         /* hmph... due to some trouble I had with certain tests, we store current position and then set it back */
 460         DM_STRUCT_INIT(&Desc);
 461         if (FAILED(IDirectMusicObject_ParseDescriptor (pObject, pStream, &Desc))) {
 462                 ERR(": couldn't parse descriptor\n");
 463                 return DMUS_E_LOADER_FORMATNOTSUPPORTED;
 464         }
 465
 466         /* copy elements from parsed descriptor into input descriptor; this sets new info, overwriting if necessary,
 467            but leaves info that's provided by input and not available from stream */
 468         DMUSIC_CopyDescriptor (pDesc, &Desc);
 469
 470         /* release everything */
 471         IDirectMusicObject_Release (pObject);
 472         IStream_Release (pStream);
 473
 474         /* sometimes it happens that twisted programs call SetObject for same object twice...
 475            in such cases, native loader returns S_OK and does nothing... a sound plan */
 476         LIST_FOR_EACH (pEntry, This->pObjects) {
 477                 pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 478                 if (!memcmp (&pObjectEntry->Desc, pDesc, sizeof(DMUS_OBJECTDESC))) {
 479                         TRACE(": exacly same entry already exists\n");
 480                         return S_OK;
 481                 }
 482         }
 483
 484         /* add new entry */
 485         TRACE(": adding alias entry with following info: \n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
 486         pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_ENTRY));
 487         /* use this function instead of pure memcpy due to streams (memcpy just copies pointer),
 488            which is basically used further by app that called SetDescriptor... better safety than exception */
 489         DMUSIC_CopyDescriptor (&pNewEntry->Desc, pDesc);
 490         list_add_head (This->pObjects, &pNewEntry->entry);
 491
 492         return S_OK;
 493 }
 494
 495 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear) {
 496         WCHAR wszCurrentPath[MAX_PATH];
 497         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 498         TRACE("(%p, %s, %s, %d)\n", This, debugstr_dmguid(rguidClass), debugstr_w(pwzPath), fClear);
 499         FIXME(": fClear ignored\n");
 500         DMUSIC_GetLoaderSettings (iface, rguidClass, wszCurrentPath, NULL);
 501         if (!strncmpW(wszCurrentPath, pwzPath, MAX_PATH)) {
 502           return S_FALSE;
 503         }
 504         /* FIXME: check if path is valid; else return DMUS_E_LOADER_BADPATH */
 505         return DMUSIC_SetLoaderSettings (iface, rguidClass, pwzPath, NULL);
 506 }
 507
 508 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName) {
 509         static const WCHAR wszAny[] = {'*',0};
 510         WIN32_FIND_DATAW FileData;
 511         HANDLE hSearch;
 512         WCHAR wszSearchString[MAX_PATH];
 513         WCHAR *p;
 514         HRESULT result;
 515         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 516         TRACE("(%p, %s, %p, %p)\n", This, debugstr_dmguid(rguidClass), pwzFileExtension, pwzScanFileName);
 517         if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || !DMUSIC_IsValidLoadableClass(rguidClass)) {
 518                 ERR(": rguidClass invalid CLSID\n");
 519                 return REGDB_E_CLASSNOTREG;
 520         }
 521
 522         /* get search path for given class */
 523         DMUSIC_GetLoaderSettings (iface, rguidClass, wszSearchString, NULL);
 524
 525         p = wszSearchString + lstrlenW(wszSearchString);
 526         if (p > wszSearchString && p[-1] != '\\') *p++ = '\\';
 527         *p++ = '*'; /* any file */
 528         if (strcmpW (pwzFileExtension, wszAny)) *p++ = '.'; /* if we have actual extension, put a dot */
 529         strcpyW (p, pwzFileExtension);
 530
 531         TRACE(": search string: %s\n", debugstr_w(wszSearchString));
 532
 533         hSearch = FindFirstFileW (wszSearchString, &FileData);
 534         if (hSearch == INVALID_HANDLE_VALUE) {
 535                 TRACE(": no files found\n");
 536                 return S_FALSE;
 537         }
 538
 539         do {
 540                 DMUS_OBJECTDESC Desc;
 541                 DM_STRUCT_INIT(&Desc);
 542                 Desc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_DATE;
 543                 Desc.guidClass = *rguidClass;
 544                 strcpyW (Desc.wszFileName, FileData.cFileName);
 545                 FileTimeToLocalFileTime (&FileData.ftCreationTime, &Desc.ftDate);
 546                 IDirectMusicLoader8_SetObject (iface, &Desc);
 547
 548                 if (!FindNextFileW (hSearch, &FileData)) {
 549                         if (GetLastError () == ERROR_NO_MORE_FILES) {
 550                                 TRACE(": search completed\n");
 551                                 result = S_OK;
 552                         } else {
 553                                 ERR(": could not get next file\n");
 554                                 result = E_FAIL;
 555                         }
 556                         FindClose (hSearch);
 557                         return result;
 558                 }
 559         } while (1);
 560 }
 561
 562 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
 563         DMUS_OBJECTDESC Desc;
 564         HRESULT result = DMUS_E_LOADER_OBJECTNOTFOUND;
 565         struct list *pEntry;
 566         LPWINE_LOADER_ENTRY  pObjectEntry = NULL;
 567
 568         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 569         TRACE("(%p, %p)\n", This, pObject);
 570
 571         /* get descriptor */
 572         DM_STRUCT_INIT(&Desc);
 573         IDirectMusicObject_GetDescriptor (pObject, &Desc);
 574
 575         /* now iterate thru list and check if we have alias (without object), corresponding
 576            to descriptor of input object */
 577         LIST_FOR_EACH(pEntry, This->pObjects) {
 578                 pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 579                 if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 580                         (pObjectEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 581                         IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
 582                         TRACE(": found it by object GUID\n");
 583                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 584                                 result = S_FALSE;
 585                         else
 586                                 result = S_OK;
 587                         break;
 588                 }
 589                 else if ((Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 590                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 591                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 592                         TRACE(": found it by fullpath filename\n");
 593                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 594                                 result = S_FALSE;
 595                         else
 596                                 result = S_OK;
 597                         break;
 598                 }
 599                 else if ((Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 600                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 601                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME) &&
 602                                 !strncmpW (Desc.wszCategory, pObjectEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
 603                         TRACE(": found it by name and category\n");
 604                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 605                                 result = S_FALSE;
 606                         else
 607                                 result = S_OK;
 608                         break;
 609                 }
 610                 else if ((Desc.dwValidData & DMUS_OBJ_NAME) &&
 611                                 (pObjectEntry->Desc.dwValidData & DMUS_OBJ_NAME) &&
 612                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME)) {
 613                         TRACE(": found it by name\n");
 614                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 615                                 result = S_FALSE;
 616                         else
 617                                 result = S_OK;
 618                         break;
 619                 }
 620                 else if ((Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 621                                 (pObjectEntry->Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 622                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 623                         TRACE(": found it by filename\n");
 624                         if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
 625                                 result = S_FALSE;
 626                         else
 627                                 result = S_OK;
 628                         break;
 629                 }
 630         }
 631
 632         /* if we found such alias, then set everything */
 633         if (result == S_OK) {
 634                 pObjectEntry->Desc.dwValidData &= DMUS_OBJ_LOADED;
 635                 pObjectEntry->pObject = pObject;
 636                 IDirectMusicObject_AddRef (pObjectEntry->pObject);
 637         }
 638
 639         return result;
 640 }
 641
 642 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
 643         DMUS_OBJECTDESC Desc;
 644         struct list *pEntry;
 645         LPWINE_LOADER_ENTRY pObjectEntry = NULL;
 646         HRESULT result = S_FALSE;
 647
 648         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 649         TRACE("(%p, %p)\n", This, pObject);
 650
 651         /* get descriptor */
 652         DM_STRUCT_INIT(&Desc);
 653         IDirectMusicObject_GetDescriptor (pObject, &Desc);
 654
 655         /* iterate thru the list of objects we know about; check only those with DMUS_OBJ_LOADED */
 656         TRACE(": looking for the object in cache\n");
 657         LIST_FOR_EACH(pEntry, This->pObjects) {
 658                 pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
 659                 if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
 660                         (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_OBJECT | DMUS_OBJ_LOADED)) &&
 661                         IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
 662                         TRACE(": found it by object GUID\n%s\n", debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc));
 663                         result = S_OK;
 664                         break;
 665                 }
 666                 else if ((Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
 667                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_LOADED)) &&
 668                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 669                         TRACE(": found it by fullpath filename\n");
 670                         result = S_OK;
 671                         break;
 672                 }
 673                 else if ((Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
 674                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY | DMUS_OBJ_LOADED)) &&
 675                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME) &&
 676                                 !strncmpW (Desc.wszCategory, pObjectEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
 677                         TRACE(": found it by name and category\n");
 678                         result = S_OK;
 679                         break;
 680                 }
 681                 else if ((Desc.dwValidData & DMUS_OBJ_NAME) &&
 682                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_LOADED)) &&
 683                                 !strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME)) {
 684                         TRACE(": found it by name\n");
 685                         result = S_OK;
 686                         break;
 687                 }
 688                 else if ((Desc.dwValidData & DMUS_OBJ_FILENAME) &&
 689                                 (pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_LOADED)) &&
 690                                 !strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
 691                         TRACE(": found it by filename\n");
 692                         result = S_OK;
 693                         break;
 694                 }
 695         }
 696         if (result == S_OK) {
 697                 /*TRACE(": releasing: \n%s  - bInvalidDefaultDLS = %i\n  - pObject = %p\n", debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc), pObjectEntry->bInvalidDefaultDLS, pObjectEntry->pObject); */
 698                 IDirectMusicObject_Release (pObjectEntry->pObject);
 699                 pObjectEntry->pObject = NULL;
 700                 pObjectEntry->Desc.dwValidData &= ~DMUS_OBJ_LOADED;
 701         }
 702         return result;
 703 }
 704
 705 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass) {
 706         struct list *pEntry;
 707         LPWINE_LOADER_ENTRY pObjectEntry;
 708         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 709         TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidClass));
 710
 711         LIST_FOR_EACH (pEntry, This->pObjects) {
 712                 pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 713
 714                 if ((IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) &&
 715                         (pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED)) {
 716                         /* basically, wrap to ReleaseObject for each object found */
 717                         IDirectMusicLoader8_ReleaseObject (iface, pObjectEntry->pObject);
 718                 }
 719         }
 720
 721         return S_OK;
 722 }
 723
 724 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable) {
 725         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 726         BOOL bCurrent;
 727         TRACE("(%p, %s, %d)\n", This, debugstr_dmguid(rguidClass), fEnable);
 728         DMUSIC_GetLoaderSettings (iface, rguidClass, NULL, &bCurrent);
 729         if (bCurrent == fEnable)
 730                 return S_FALSE;
 731         else
 732                 return DMUSIC_SetLoaderSettings (iface, rguidClass, NULL, &fEnable);
 733 }
 734
 735 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc) {
 736         DWORD dwCount = 0;
 737         struct list *pEntry;
 738         LPWINE_LOADER_ENTRY pObjectEntry;
 739         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 740         TRACE("(%p, %s, %d, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc);
 741
 742         DM_STRUCT_INIT(pDesc);
 743
 744         LIST_FOR_EACH (pEntry, This->pObjects) {
 745                 pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 746
 747                 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) {
 748                         if (dwCount == dwIndex) {
 749                                 *pDesc = pObjectEntry->Desc;
 750                                 /* we aren't supposed to reveal this info */
 751                                 pDesc->dwValidData &= ~(DMUS_OBJ_MEMORY | DMUS_OBJ_STREAM);
 752                                 pDesc->pbMemData = NULL;
 753                                 pDesc->llMemLength = 0;
 754                                 pDesc->pStream = NULL;
 755                                 return S_OK;
 756                         }
 757                         dwCount++;
 758                 }
 759         }
 760
 761         TRACE(": not found\n");
 762         return S_FALSE;
 763 }
 764
 765 static void WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_CollectGarbage (LPDIRECTMUSICLOADER8 iface) {
 766         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 767         FIXME("(%p): stub\n", This);
 768 }
 769
 770 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject) {
 771         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 772         HRESULT result;
 773         LPDIRECTMUSICOBJECT pObjectInterface;
 774
 775         TRACE("(%p, %p)\n", This, pObject);
 776
 777         if (IsBadReadPtr (pObject, sizeof(LPUNKNOWN))) {
 778                 ERR(": pObject bad write pointer\n");
 779                 return E_POINTER;
 780         }
 781         /* we simply get IDirectMusicObject interface */
 782         result = IUnknown_QueryInterface (pObject, &IID_IDirectMusicObject, (LPVOID*)&pObjectInterface);
 783         if (FAILED(result)) return result;
 784         /* and release it in old-fashioned way */
 785         result = IDirectMusicLoader8_ReleaseObject (iface, pObjectInterface);
 786         IDirectMusicObject_Release (pObjectInterface);
 787
 788         return result;
 789 }
 790
 791 static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClassID, REFIID iidInterfaceID, WCHAR* pwzFilePath, void** ppObject) {
 792         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 793         DMUS_OBJECTDESC ObjDesc;
 794         WCHAR wszLoaderSearchPath[MAX_PATH];
 795
 796         TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoaderImpl_GetObject\n", This, debugstr_dmguid(rguidClassID), debugstr_dmguid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
 797
 798         DM_STRUCT_INIT(&ObjDesc);
 799         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 */
 800         ObjDesc.guidClass = *rguidClassID;
 801         /* OK, MSDN says that search order is the following:
 802             - current directory (DONE)
 803             - windows search path (FIXME: how do I get that?)
 804             - loader's search path (DONE)
 805         */
 806         DMUSIC_GetLoaderSettings (iface, rguidClassID, wszLoaderSearchPath, NULL);
 807     /* search in current directory */
 808         if (!SearchPathW (NULL, pwzFilePath, NULL, sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL) &&
 809         /* search in loader's search path */
 810                 !SearchPathW (wszLoaderSearchPath, pwzFilePath, NULL, sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL)) {
 811                 /* cannot find file */
 812                 TRACE(": cannot find file\n");
 813                 return DMUS_E_LOADER_FAILEDOPEN;
 814         }
 815
 816         TRACE(": full file path = %s\n", debugstr_w (ObjDesc.wszFileName));
 817
 818         return IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
 819 }
 820
 821 static const IDirectMusicLoader8Vtbl DirectMusicLoader_Loader_Vtbl = {
 822         IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface,
 823         IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef,
 824         IDirectMusicLoaderImpl_IDirectMusicLoader_Release,
 825         IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject,
 826         IDirectMusicLoaderImpl_IDirectMusicLoader_SetObject,
 827         IDirectMusicLoaderImpl_IDirectMusicLoader_SetSearchDirectory,
 828         IDirectMusicLoaderImpl_IDirectMusicLoader_ScanDirectory,
 829         IDirectMusicLoaderImpl_IDirectMusicLoader_CacheObject,
 830         IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObject,
 831         IDirectMusicLoaderImpl_IDirectMusicLoader_ClearCache,
 832         IDirectMusicLoaderImpl_IDirectMusicLoader_EnableCache,
 833         IDirectMusicLoaderImpl_IDirectMusicLoader_EnumObject,
 834         IDirectMusicLoaderImpl_IDirectMusicLoader_CollectGarbage,
 835         IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObjectByUnknown,
 836         IDirectMusicLoaderImpl_IDirectMusicLoader_LoadObjectFromFile
 837 };
 838
 839 /* help function for DMUSIC_SetDefaultDLS */
 840 static HRESULT DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]) {
 841         HKEY hkDM;
 842         DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
 843         char szPath[MAX_PATH];
 844
 845         if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
 846             (RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, (LPBYTE) szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
 847                 WARN(": registry entry missing\n" );
 848                 return E_FAIL;
 849         }
 850         /* FIXME: Check return types to ensure we're interpreting data right */
 851         MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
 852
 853         return S_OK;
 854 }
 855
 856 /* for ClassFactory */
 857 HRESULT WINAPI DMUSIC_CreateDirectMusicLoaderImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 858         IDirectMusicLoaderImpl *obj;
 859         DMUS_OBJECTDESC Desc;
 860         LPWINE_LOADER_ENTRY pDefaultDLSEntry;
 861         struct list *pEntry;
 862
 863         TRACE("(%s, %p, %p)\n", debugstr_dmguid(lpcGUID), ppobj, pUnkOuter);
 864         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoaderImpl));
 865         if (NULL == obj) {
 866                 *ppobj = NULL;
 867                 return E_OUTOFMEMORY;
 868         }
 869         obj->LoaderVtbl = &DirectMusicLoader_Loader_Vtbl;
 870         obj->dwRef = 0; /* will be inited with QueryInterface */
 871         /* init critical section */
 872         /* init cache/alias list */
 873         /*InitializeCriticalSection (&obj->CritSect);
 874         obj->CritSect.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDirectMusicLoaderImpl.CritSect"); */
 875         obj->pObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
 876         list_init (obj->pObjects);
 877         /* init settings */
 878         obj->pClassSettings = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
 879         list_init (obj->pClassSettings);
 880         DMUSIC_InitLoaderSettings ((LPDIRECTMUSICLOADER8)obj);
 881
 882         /* set default DLS collection (via SetObject... so that loading via DMUS_OBJ_OBJECT is possible) */
 883         DM_STRUCT_INIT(&Desc);
 884         Desc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_OBJECT;
 885         Desc.guidClass = CLSID_DirectMusicCollection;
 886         Desc.guidObject = GUID_DefaultGMCollection;
 887         DMUSIC_GetDefaultGMPath (Desc.wszFileName);
 888         IDirectMusicLoader_SetObject ((LPDIRECTMUSICLOADER8)obj, &Desc);
 889         /* and now the workaroundTM for "invalid" default DLS; basically,
 890            my tests showed that if GUID chunk is present in default DLS
 891            collection, loader treats it as "invalid" and returns
 892            DMUS_E_LOADER_NOFILENAME for all requests for it; basically, we check
 893            if out input guidObject was overwritten */
 894         pEntry = list_head (obj->pObjects);
 895         pDefaultDLSEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
 896         if (!IsEqualGUID(&Desc.guidObject, &GUID_DefaultGMCollection)) {
 897                 pDefaultDLSEntry->bInvalidDefaultDLS = TRUE;
 898         }
 899
 900         /* increase number of instances */
 901         InterlockedIncrement (&dwDirectMusicLoader);
 902
 903         return IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface ((LPDIRECTMUSICLOADER8)obj, lpcGUID, ppobj);
 904 }
 905
 906 /* help function for retrieval of search path and caching option for certain class */
 907 static HRESULT DMUSIC_GetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache) {
 908         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 909         struct list *pEntry;
 910         TRACE(": (%p, %s, %p, %p)\n", This, debugstr_dmguid(pClassID), wszSearchPath, pbCache);
 911
 912         LIST_FOR_EACH(pEntry, This->pClassSettings) {
 913                 LPWINE_LOADER_OPTION pOptionEntry = LIST_ENTRY(pEntry, WINE_LOADER_OPTION, entry);
 914                 if (IsEqualCLSID (pClassID, &pOptionEntry->guidClass)) {
 915                         if (wszSearchPath)
 916                                 strcpyW(wszSearchPath, pOptionEntry->wszSearchPath);
 917                         if (pbCache)
 918                                 *pbCache = pOptionEntry->bCache;
 919                         return S_OK;
 920                 }
 921         }
 922         return S_FALSE;
 923 }
 924
 925 /* help function for setting search path and caching option for certain class */
 926 static HRESULT DMUSIC_SetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache) {
 927         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 928         struct list *pEntry;
 929         HRESULT result = S_FALSE; /* in case pClassID != GUID_DirectMusicAllTypes and not a valid CLSID */
 930         TRACE(": (%p, %s, %p, %p)\n", This, debugstr_dmguid(pClassID), wszSearchPath, pbCache);
 931
 932         LIST_FOR_EACH(pEntry, This->pClassSettings) {
 933                 LPWINE_LOADER_OPTION pOptionEntry = LIST_ENTRY(pEntry, WINE_LOADER_OPTION, entry);
 934                 /* well, either we have GUID_DirectMusicAllTypes and need to set it to all,
 935                    or specific CLSID is given and we set it only to it */
 936                 if (IsEqualGUID (pClassID, &GUID_DirectMusicAllTypes) ||
 937                         IsEqualCLSID (pClassID, &pOptionEntry->guidClass)) {
 938                         if (wszSearchPath)
 939                                 strcpyW(pOptionEntry->wszSearchPath, wszSearchPath);
 940                         if (pbCache)
 941                                 pOptionEntry->bCache = *pbCache;
 942                         result = S_OK;
 943                 }
 944         }
 945
 946         return result;
 947 }
 948
 949 static HRESULT DMUSIC_InitLoaderSettings (LPDIRECTMUSICLOADER8 iface) {
 950         ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
 951
 952         /* hard-coded list of classes */
 953         static REFCLSID classes[] = {
 954                 &CLSID_DirectMusicAudioPathConfig,
 955                 &CLSID_DirectMusicBand,
 956                 &CLSID_DirectMusicContainer,
 957                 &CLSID_DirectMusicCollection,
 958                 &CLSID_DirectMusicChordMap,
 959                 &CLSID_DirectMusicSegment,
 960                 &CLSID_DirectMusicScript,
 961                 &CLSID_DirectMusicSong,
 962                 &CLSID_DirectMusicStyle,
 963                 &CLSID_DirectMusicGraph,
 964                 &CLSID_DirectSoundWave
 965         };
 966
 967         unsigned int i;
 968         WCHAR wszCurrent[MAX_PATH];
 969
 970         TRACE(": (%p)\n", This);
 971         GetCurrentDirectoryW (MAX_PATH, wszCurrent);
 972
 973         for (i = 0; i < sizeof(classes)/sizeof(REFCLSID); i++) {
 974                 LPWINE_LOADER_OPTION pNewSetting = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_OPTION));
 975                 pNewSetting->guidClass = *classes[i];
 976                 strcpyW (pNewSetting->wszSearchPath, wszCurrent);
 977                 pNewSetting->bCache = TRUE;
 978                 list_add_tail (This->pClassSettings, &pNewSetting->entry);
 979         }
 980
 981         return S_OK;
 982 }