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   1 /* IDirectMusicCollection Implementation
   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 "dmusic_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 static ULONG WINAPI IDirectMusicCollectionImpl_IUnknown_AddRef (LPUNKNOWN iface);
  26 static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef (LPDIRECTMUSICCOLLECTION iface);
  27 static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface);
  28 static ULONG WINAPI IDirectMusicCollectionImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface);
  29
  30 /*****************************************************************************
  31  * IDirectMusicCollectionImpl implementation
  32  */
  33 /* IDirectMusicCollectionImpl IUnknown part: */
  34 static HRESULT WINAPI IDirectMusicCollectionImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  35         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, UnknownVtbl, iface);
  36         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  37
  38         if (IsEqualIID (riid, &IID_IUnknown)) {
  39                 *ppobj = &This->UnknownVtbl;
  40                 IDirectMusicCollectionImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  41                 return S_OK;
  42         } else if (IsEqualIID (riid, &IID_IDirectMusicCollection)) {
  43                 *ppobj = &This->CollectionVtbl;
  44                 IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef ((LPDIRECTMUSICCOLLECTION)&This->CollectionVtbl);
  45                 return S_OK;
  46         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  47                 *ppobj = &This->ObjectVtbl;
  48                 IDirectMusicCollectionImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
  49                 return S_OK;
  50         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  51                 *ppobj = &This->PersistStreamVtbl;
  52                 IDirectMusicCollectionImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  53                 return S_OK;
  54         }
  55
  56         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  57         return E_NOINTERFACE;
  58 }
  59
  60 static ULONG WINAPI IDirectMusicCollectionImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  61         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, UnknownVtbl, iface);
  62         ULONG refCount = InterlockedIncrement(&This->ref);
  63
  64         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  65
  66         DMUSIC_LockModule();
  67
  68         return refCount;
  69 }
  70
  71 static ULONG WINAPI IDirectMusicCollectionImpl_IUnknown_Release (LPUNKNOWN iface) {
  72         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, UnknownVtbl, iface);
  73         ULONG refCount = InterlockedDecrement(&This->ref);
  74
  75         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  76
  77         if (!refCount) {
  78                 HeapFree(GetProcessHeap(), 0, This);
  79         }
  80
  81         DMUSIC_UnlockModule();
  82
  83         return refCount;
  84 }
  85
  86 static const IUnknownVtbl DirectMusicCollection_Unknown_Vtbl = {
  87         IDirectMusicCollectionImpl_IUnknown_QueryInterface,
  88         IDirectMusicCollectionImpl_IUnknown_AddRef,
  89         IDirectMusicCollectionImpl_IUnknown_Release
  90 };
  91
  92 /* IDirectMusicCollectionImpl IDirectMusicCollection part: */
  93 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_QueryInterface (LPDIRECTMUSICCOLLECTION iface, REFIID riid, LPVOID *ppobj) {
  94         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, CollectionVtbl, iface);
  95         return IDirectMusicCollectionImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  96 }
  97
  98 static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef (LPDIRECTMUSICCOLLECTION iface) {
  99         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, CollectionVtbl, iface);
 100         return IDirectMusicCollectionImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 101 }
 102
 103 static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_Release (LPDIRECTMUSICCOLLECTION iface) {
 104         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, CollectionVtbl, iface);
 105         return IDirectMusicCollectionImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 106 }
 107
 108 /* IDirectMusicCollection Interface follow: */
 109 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_GetInstrument (LPDIRECTMUSICCOLLECTION iface, DWORD dwPatch, IDirectMusicInstrument** ppInstrument) {
 110         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, CollectionVtbl, iface);
 111         DMUS_PRIVATE_INSTRUMENTENTRY *tmpEntry;
 112         struct list *listEntry;
 113         DWORD dwInstPatch;
 114
 115         TRACE("(%p, %d, %p)\n", This, dwPatch, ppInstrument);
 116
 117         LIST_FOR_EACH (listEntry, &This->Instruments) {
 118                 tmpEntry = LIST_ENTRY(listEntry, DMUS_PRIVATE_INSTRUMENTENTRY, entry);
 119                 IDirectMusicInstrument_GetPatch (tmpEntry->pInstrument, &dwInstPatch);
 120                 if (dwPatch == dwInstPatch) {
 121                         *ppInstrument = tmpEntry->pInstrument;
 122                         IDirectMusicInstrument_AddRef (tmpEntry->pInstrument);
 123                         IDirectMusicInstrumentImpl_Custom_Load (tmpEntry->pInstrument, This->pStm); /* load instrument before returning it */
 124                         TRACE(": returning instrument %p\n", *ppInstrument);
 125                         return S_OK;
 126                 }
 127
 128         }
 129         TRACE(": instrument not found\n");
 130
 131         return DMUS_E_INVALIDPATCH;
 132 }
 133
 134 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_EnumInstrument (LPDIRECTMUSICCOLLECTION iface, DWORD dwIndex, DWORD* pdwPatch, LPWSTR pwszName, DWORD dwNameLen) {
 135         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, CollectionVtbl, iface);
 136         unsigned int r = 0;
 137         DMUS_PRIVATE_INSTRUMENTENTRY *tmpEntry;
 138         struct list *listEntry;
 139        DWORD dwLen;
 140
 141         TRACE("(%p, %d, %p, %p, %d)\n", This, dwIndex, pdwPatch, pwszName, dwNameLen);
 142         LIST_FOR_EACH (listEntry, &This->Instruments) {
 143                 tmpEntry = LIST_ENTRY(listEntry, DMUS_PRIVATE_INSTRUMENTENTRY, entry);
 144                 if (r == dwIndex) {
 145                         ICOM_NAME_MULTI (IDirectMusicInstrumentImpl, InstrumentVtbl, tmpEntry->pInstrument, pInstrument);
 146                         IDirectMusicInstrument_GetPatch (tmpEntry->pInstrument, pdwPatch);
 147                        if (pwszName) {
 148                                dwLen = min(strlenW(pInstrument->wszName),dwNameLen-1);
 149                                memcpy (pwszName, pInstrument->wszName, dwLen * sizeof(WCHAR));
 150                                pwszName[dwLen] = '\0';
 151                        }
 152                         return S_OK;
 153                 }
 154                 r++;
 155         }
 156
 157         return S_FALSE;
 158 }
 159
 160 static const IDirectMusicCollectionVtbl DirectMusicCollection_Collection_Vtbl = {
 161         IDirectMusicCollectionImpl_IDirectMusicCollection_QueryInterface,
 162         IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef,
 163         IDirectMusicCollectionImpl_IDirectMusicCollection_Release,
 164         IDirectMusicCollectionImpl_IDirectMusicCollection_GetInstrument,
 165         IDirectMusicCollectionImpl_IDirectMusicCollection_EnumInstrument
 166 };
 167
 168 /* IDirectMusicCollectionImpl IDirectMusicObject part: */
 169 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 170         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 171         return IDirectMusicCollectionImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 172 }
 173
 174 static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 175         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 176         return IDirectMusicCollectionImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 177 }
 178
 179 static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 180         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 181         return IDirectMusicCollectionImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 182 }
 183
 184 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 185         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 186         TRACE("(%p, %p)\n", This, pDesc);
 187         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 188         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 189         return S_OK;
 190 }
 191
 192 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 193         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 194         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 195
 196         /* According to MSDN, we should copy only given values, not whole struct */
 197         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 198                 This->pDesc->guidObject = pDesc->guidObject;
 199         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 200                 This->pDesc->guidClass = pDesc->guidClass;
 201         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 202                lstrcpynW(This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 203         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 204                lstrcpynW(This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 205         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 206                lstrcpynW(This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 207         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 208                 This->pDesc->vVersion = pDesc->vVersion;
 209         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 210                 This->pDesc->ftDate = pDesc->ftDate;
 211         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 212                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 213                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 214         }
 215         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 216                 /* according to MSDN, we copy the stream */
 217                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 218         }
 219
 220         /* add new flags */
 221         This->pDesc->dwValidData |= pDesc->dwValidData;
 222
 223         return S_OK;
 224 }
 225
 226 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 227         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 228         DMUS_PRIVATE_CHUNK Chunk;
 229         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 230         LARGE_INTEGER liMove; /* used when skipping chunks */
 231
 232         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 233
 234         /* FIXME: should this be determined from stream? */
 235         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 236         pDesc->guidClass = CLSID_DirectMusicCollection;
 237
 238         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 239         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 240         switch (Chunk.fccID) {
 241                 case FOURCC_RIFF: {
 242                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 243                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 244                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 245                         StreamCount = 0;
 246                         if (Chunk.fccID == mmioFOURCC('D','L','S',' ')) {
 247                                 TRACE_(dmfile)(": collection form\n");
 248                                 do {
 249                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 250                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 251                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 252                                         switch (Chunk.fccID) {
 253                                                 case FOURCC_DLID: {
 254                                                         TRACE_(dmfile)(": GUID chunk\n");
 255                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 256                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 257                                                         break;
 258                                                 }
 259                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 260                                                         TRACE_(dmfile)(": version chunk\n");
 261                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 262                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 263                                                         break;
 264                                                 }
 265                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 266                                                         TRACE_(dmfile)(": category chunk\n");
 267                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 268                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 269                                                         break;
 270                                                 }
 271                                                 case FOURCC_LIST: {
 272                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 273                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 274                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 275                                                         ListCount[0] = 0;
 276                                                         switch (Chunk.fccID) {
 277                                                                 /* pure INFO list, such can be found in dls collections */
 278                                                                 case mmioFOURCC('I','N','F','O'): {
 279                                                                         TRACE_(dmfile)(": INFO list\n");
 280                                                                         do {
 281                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 282                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 283                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 284                                                                                 switch (Chunk.fccID) {
 285                                                                                         case mmioFOURCC('I','N','A','M'):{
 286                                                                                                 CHAR szName[DMUS_MAX_NAME];
 287                                                                                                 TRACE_(dmfile)(": name chunk\n");
 288                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 289                                                                                                 IStream_Read (pStream, szName, Chunk.dwSize, NULL);
 290                                                                                                 MultiByteToWideChar (CP_ACP, 0, szName, -1, pDesc->wszName, DMUS_MAX_NAME);
 291                                                                                                 if (even_or_odd(Chunk.dwSize)) {
 292                                                                                                         ListCount[0] ++;
 293                                                                                                         liMove.QuadPart = 1;
 294                                                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 295                                                                                                 }
 296                                                                                                 break;
 297                                                                                         }
 298                                                                                         case mmioFOURCC('I','A','R','T'): {
 299                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 300                                                                                                 if (even_or_odd(Chunk.dwSize)) {
 301                                                                                                         ListCount[0] ++;
 302                                                                                                         Chunk.dwSize++;
 303                                                                                                 }
 304                                                                                                 liMove.QuadPart = Chunk.dwSize;
 305                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 306                                                                                                 break;
 307                                                                                         }
 308                                                                                         case mmioFOURCC('I','C','O','P'): {
 309                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 310                                                                                                 if (even_or_odd(Chunk.dwSize)) {
 311                                                                                                         ListCount[0] ++;
 312                                                                                                         Chunk.dwSize++;
 313                                                                                                 }
 314                                                                                                 liMove.QuadPart = Chunk.dwSize;
 315                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 316                                                                                                 break;
 317                                                                                         }
 318                                                                                         case mmioFOURCC('I','S','B','J'): {
 319                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 320                                                                                                 if (even_or_odd(Chunk.dwSize)) {
 321                                                                                                         ListCount[0] ++;
 322                                                                                                         Chunk.dwSize++;
 323                                                                                                 }
 324                                                                                                 liMove.QuadPart = Chunk.dwSize;
 325                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 326                                                                                                 break;
 327                                                                                         }
 328                                                                                         case mmioFOURCC('I','C','M','T'): {
 329                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 330                                                                                                 if (even_or_odd(Chunk.dwSize)) {
 331                                                                                                         ListCount[0] ++;
 332                                                                                                         Chunk.dwSize++;
 333                                                                                                 }
 334                                                                                                 liMove.QuadPart = Chunk.dwSize;
 335                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 336                                                                                                 break;
 337                                                                                         }
 338                                                                                         default: {
 339                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 340                                                                                                 if (even_or_odd(Chunk.dwSize)) {
 341                                                                                                         ListCount[0] ++;
 342                                                                                                         Chunk.dwSize++;
 343                                                                                                 }
 344                                                                                                 liMove.QuadPart = Chunk.dwSize;
 345                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 346                                                                                                 break;
 347                                                                                         }
 348                                                                                 }
 349                                                                                 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 350                                                                         } while (ListCount[0] < ListSize[0]);
 351                                                                         break;
 352                                                                 }
 353                                                                 default: {
 354                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 355                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 356                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 357                                                                         break;
 358                                                                 }
 359                                                         }
 360                                                         break;
 361                                                 }
 362                                                 default: {
 363                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 364                                                         liMove.QuadPart = Chunk.dwSize;
 365                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 366                                                         break;
 367                                                 }
 368                                         }
 369                                         TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 370                                 } while (StreamCount < StreamSize);
 371                         } else {
 372                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 373                                 liMove.QuadPart = StreamSize;
 374                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 375                                 return E_FAIL;
 376                         }
 377
 378                         TRACE_(dmfile)(": reading finished\n");
 379                         break;
 380                 }
 381                 default: {
 382                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 383                         liMove.QuadPart = Chunk.dwSize;
 384                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 385                         return DMUS_E_INVALIDFILE;
 386                 }
 387         }
 388
 389         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 390
 391         return S_OK;
 392 }
 393
 394 static const IDirectMusicObjectVtbl DirectMusicCollection_Object_Vtbl = {
 395         IDirectMusicCollectionImpl_IDirectMusicObject_QueryInterface,
 396         IDirectMusicCollectionImpl_IDirectMusicObject_AddRef,
 397         IDirectMusicCollectionImpl_IDirectMusicObject_Release,
 398         IDirectMusicCollectionImpl_IDirectMusicObject_GetDescriptor,
 399         IDirectMusicCollectionImpl_IDirectMusicObject_SetDescriptor,
 400         IDirectMusicCollectionImpl_IDirectMusicObject_ParseDescriptor
 401 };
 402
 403 /* IDirectMusicCollectionImpl IPersistStream part: */
 404 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 405         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 406         return IDirectMusicCollectionImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 407 }
 408
 409 static ULONG WINAPI IDirectMusicCollectionImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 410         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 411         return IDirectMusicCollectionImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 412 }
 413
 414 static ULONG WINAPI IDirectMusicCollectionImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 415         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 416         return IDirectMusicCollectionImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 417 }
 418
 419 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 420         return E_NOTIMPL;
 421 }
 422
 423 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 424         return E_NOTIMPL;
 425 }
 426
 427 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 428         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 429
 430         DMUS_PRIVATE_CHUNK Chunk;
 431         DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 432         LARGE_INTEGER liMove; /* used when skipping chunks */
 433         ULARGE_INTEGER dlibCollectionPosition, dlibInstrumentPosition, dlibWavePoolPosition;
 434
 435         IStream_AddRef (pStm); /* add count for later references */
 436         liMove.QuadPart = 0;
 437         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &dlibCollectionPosition); /* store offset, in case it'll be needed later */
 438         This->liCollectionPosition.QuadPart = dlibCollectionPosition.QuadPart;
 439         This->pStm = pStm;
 440
 441         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 442         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 443         switch (Chunk.fccID) {
 444                 case FOURCC_RIFF: {
 445                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 446                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 447                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 448                         StreamCount = 0;
 449                         switch (Chunk.fccID) {
 450                                 case FOURCC_DLS: {
 451                                         TRACE_(dmfile)(": collection form\n");
 452                                         do {
 453                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 454                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 455                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 456                                                 switch (Chunk.fccID) {
 457                                                         case FOURCC_COLH: {
 458                                                                 TRACE_(dmfile)(": collection header chunk\n");
 459                                                                 This->pHeader = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 460                                                                 IStream_Read (pStm, This->pHeader, Chunk.dwSize, NULL);
 461                                                                 break;
 462                                                         }
 463                                                         case FOURCC_DLID: {
 464                                                                 TRACE_(dmfile)(": DLID (GUID) chunk\n");
 465                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 466                                                                 IStream_Read (pStm, &This->pDesc->guidObject, Chunk.dwSize, NULL);
 467                                                                 break;
 468                                                         }
 469                                                         case FOURCC_VERS: {
 470                                                                 TRACE_(dmfile)(": version chunk\n");
 471                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 472                                                                 IStream_Read (pStm, &This->pDesc->vVersion, Chunk.dwSize, NULL);
 473                                                                 break;
 474                                                         }
 475                                                         case FOURCC_PTBL: {
 476                                                                 TRACE_(dmfile)(": pool table chunk\n");
 477                                                                 This->pPoolTable = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(POOLTABLE));
 478                                                                 IStream_Read (pStm, This->pPoolTable, sizeof(POOLTABLE), NULL);
 479                                                                 Chunk.dwSize -= sizeof(POOLTABLE);
 480                                                                 This->pPoolCues = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, This->pPoolTable->cCues*sizeof(POOLCUE));
 481                                                                 IStream_Read (pStm, This->pPoolCues, Chunk.dwSize, NULL);
 482                                                                 break;
 483                                                         }
 484                                                         case FOURCC_LIST: {
 485                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 486                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 487                                                                 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 488                                                                 ListCount[0] = 0;
 489                                                                 switch (Chunk.fccID) {
 490                                                                         case mmioFOURCC('I','N','F','O'): {
 491                                                                                 TRACE_(dmfile)(": INFO list\n");
 492                                                                                 do {
 493                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 494                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 495                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 496                                                                                         switch (Chunk.fccID) {
 497                                                                                                 case mmioFOURCC('I','N','A','M'): {
 498                                                                                                         CHAR szName[DMUS_MAX_NAME];
 499                                                                                                         TRACE_(dmfile)(": name chunk\n");
 500                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 501                                                                                                         IStream_Read (pStm, szName, Chunk.dwSize, NULL);
 502                                                                                                         MultiByteToWideChar (CP_ACP, 0, szName, -1, This->pDesc->wszName, DMUS_MAX_NAME);
 503                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 504                                                                                                                 ListCount[0] ++;
 505                                                                                                                 liMove.QuadPart = 1;
 506                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 507                                                                                                         }
 508                                                                                                         break;
 509                                                                                                 }
 510                                                                                                 case mmioFOURCC('I','A','R','T'): {
 511                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 512                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 513                                                                                                                 ListCount[0] ++;
 514                                                                                                                 Chunk.dwSize++;
 515                                                                                                         }
 516                                                                                                         liMove.QuadPart = Chunk.dwSize;
 517                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 518                                                                                                         break;
 519                                                                                                 }
 520                                                                                                 case mmioFOURCC('I','C','O','P'): {
 521                                                                                                         TRACE_(dmfile)(": copyright chunk\n");
 522                                                                                                         This->szCopyright = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 523                                                                                                         IStream_Read (pStm, This->szCopyright, Chunk.dwSize, NULL);
 524                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 525                                                                                                                 ListCount[0] ++;
 526                                                                                                                 liMove.QuadPart = 1;
 527                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 528                                                                                                         }
 529                                                                                                         break;
 530                                                                                                 }
 531                                                                                                 case mmioFOURCC('I','S','B','J'): {
 532                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 533                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 534                                                                                                                 ListCount[0] ++;
 535                                                                                                                 Chunk.dwSize++;
 536                                                                                                         }
 537                                                                                                         liMove.QuadPart = Chunk.dwSize;
 538                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 539                                                                                                         break;
 540                                                                                                 }
 541                                                                                                 case mmioFOURCC('I','C','M','T'): {
 542                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 543                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 544                                                                                                                 ListCount[0] ++;
 545                                                                                                                 Chunk.dwSize++;
 546                                                                                                         }
 547                                                                                                         liMove.QuadPart = Chunk.dwSize;
 548                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 549                                                                                                         break;
 550                                                                                                 }
 551                                                                                                 default: {
 552                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 553                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 554                                                                                                                 ListCount[0] ++;
 555                                                                                                                 Chunk.dwSize++;
 556                                                                                                         }
 557                                                                                                         liMove.QuadPart = Chunk.dwSize;
 558                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 559                                                                                                         break;
 560                                                                                                 }
 561                                                                                         }
 562                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 563                                                                                 } while (ListCount[0] < ListSize[0]);
 564                                                                                 break;
 565                                                                         }
 566                                                                         case FOURCC_WVPL: {
 567                                                                                 TRACE_(dmfile)(": wave pool list (mark & skip)\n");
 568                                                                                 liMove.QuadPart = 0;
 569                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &dlibWavePoolPosition); /* store position */
 570                                                                                 This->liWavePoolTablePosition.QuadPart = dlibWavePoolPosition.QuadPart;
 571                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 572                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 573                                                                                 break;
 574                                                                         }
 575                                                                         case FOURCC_LINS: {
 576                                                                                 TRACE_(dmfile)(": instruments list\n");
 577                                                                                 do {
 578                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 579                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 580                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 581                                                                                         switch (Chunk.fccID) {
 582                                                                                                 case FOURCC_LIST: {
 583                                                                                                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 584                                                                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 585                                                                                                         ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 586                                                                                                         ListCount[1] = 0;
 587                                                                                                         switch (Chunk.fccID) {
 588                                                                                                                 case FOURCC_INS: {
 589                                                                                                                         LPDMUS_PRIVATE_INSTRUMENTENTRY pNewInstrument = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_INSTRUMENTENTRY));
 590                                                                                                                         TRACE_(dmfile)(": instrument list\n");
 591                                                                                                                         DMUSIC_CreateDirectMusicInstrumentImpl (&IID_IDirectMusicInstrument, (LPVOID*)&pNewInstrument->pInstrument, NULL); /* only way to create this one... even M$ does it discretely */
 592                                                                                                                         {
 593                                                                                                                             ICOM_NAME_MULTI (IDirectMusicInstrumentImpl, InstrumentVtbl, pNewInstrument->pInstrument, pInstrument);
 594                                                                                                                             liMove.QuadPart = 0;
 595                                                                                                                             IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &dlibInstrumentPosition);
 596                                                                                                                             pInstrument->liInstrumentPosition.QuadPart = dlibInstrumentPosition.QuadPart - (2*sizeof(FOURCC) + sizeof(DWORD)); /* store offset, it'll be needed later */
 597
 598                                                                                                                             do {
 599                                                                                                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 600                                                                                                                                 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 601                                                                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 602                                                                                                                                 switch (Chunk.fccID) {
 603                                                                                                                                         case FOURCC_INSH: {
 604                                                                                                                                                 TRACE_(dmfile)(": instrument header chunk\n");
 605                                                                                                                                                 pInstrument->pHeader = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 606                                                                                                                                                 IStream_Read (pStm, pInstrument->pHeader, Chunk.dwSize, NULL);
 607                                                                                                                                                 break;
 608                                                                                                                                         }
 609                                                                                                                                         case FOURCC_DLID: {
 610                                                                                                                                                 TRACE_(dmfile)(": DLID (GUID) chunk\n");
 611                                                                                                                                                 pInstrument->pInstrumentID = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 612                                                                                                                                                 IStream_Read (pStm, pInstrument->pInstrumentID, Chunk.dwSize, NULL);
 613                                                                                                                                                 break;
 614                                                                                                                                         }
 615                                                                                                                                         case FOURCC_LIST: {
 616                                                                                                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 617                                                                                                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 618                                                                                                                                                 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
 619                                                                                                                                                 ListCount[2] = 0;
 620                                                                                                                                                 switch (Chunk.fccID) {
 621                                                                                                                                                         default: {
 622                                                                                                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 623                                                                                                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 624                                                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 625                                                                                                                                                                 break;
 626                                                                                                                                                         }
 627                                                                                                                                                 }
 628                                                                                                                                                 break;
 629                                                                                                                                         }
 630                                                                                                                                         default: {
 631                                                                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 632                                                                                                                                                 liMove.QuadPart = Chunk.dwSize;
 633                                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 634                                                                                                                                                 break;
 635                                                                                                                                         }
 636                                                                                                                                 }
 637                                                                                                                                 TRACE_(dmfile)(": ListCount[1] = %d < ListSize[1] = %d\n", ListCount[1], ListSize[1]);
 638                                                                                                                             } while (ListCount[1] < ListSize[1]);
 639                                                                                                                             /* DEBUG: dumps whole instrument object tree: */
 640                                                                                                                             if (TRACE_ON(dmusic)) {
 641                                                                                                                                 TRACE("*** IDirectMusicInstrument (%p) ***\n", pInstrument);
 642                                                                                                                                 if (pInstrument->pInstrumentID)
 643                                                                                                                                         TRACE(" - GUID = %s\n", debugstr_dmguid(pInstrument->pInstrumentID));
 644
 645                                                                                                                                 TRACE(" - Instrument header:\n");
 646                                                                                                                                 TRACE("    - cRegions: %d\n", pInstrument->pHeader->cRegions);
 647                                                                                                                                 TRACE("    - Locale:\n");
 648                                                                                                                                 TRACE("       - ulBank: %d\n", pInstrument->pHeader->Locale.ulBank);
 649                                                                                                                                 TRACE("       - ulInstrument: %d\n", pInstrument->pHeader->Locale.ulInstrument);
 650                                                                                                                                 TRACE("       => dwPatch: %d\n", MIDILOCALE2Patch(&pInstrument->pHeader->Locale));
 651                                                                                                                             }
 652                                                                                                                             list_add_tail (&This->Instruments, &pNewInstrument->entry);
 653                                                                                                                         }
 654                                                                                                                         break;
 655                                                                                                                 }
 656                                                                                                         }
 657                                                                                                         break;
 658                                                                                                 }
 659                                                                                                 default: {
 660                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 661                                                                                                         liMove.QuadPart = Chunk.dwSize;
 662                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 663                                                                                                         break;
 664                                                                                                 }
 665                                                                                         }
 666                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 667                                                                                 } while (ListCount[0] < ListSize[0]);
 668                                                                                 break;
 669                                                                         }
 670                                                                         default: {
 671                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 672                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 673                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 674                                                                                 break;
 675                                                                         }
 676                                                                 }
 677                                                                 break;
 678                                                         }
 679                                                         default: {
 680                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 681                                                                 liMove.QuadPart = Chunk.dwSize;
 682                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 683                                                                 break;
 684                                                         }
 685                                                 }
 686                                                 TRACE_(dmfile)(": StreamCount = %d < StreamSize = %d\n", StreamCount, StreamSize);
 687                                         } while (StreamCount < StreamSize);
 688                                         break;
 689                                 }
 690                                 default: {
 691                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 692                                         liMove.QuadPart = StreamSize;
 693                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 694                                         return E_FAIL;
 695                                 }
 696                         }
 697                         TRACE_(dmfile)(": reading finished\n");
 698                         break;
 699                 }
 700                 default: {
 701                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 702                         liMove.QuadPart = Chunk.dwSize;
 703                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 704                         return E_FAIL;
 705                 }
 706         }
 707
 708         /* DEBUG: dumps whole collection object tree: */
 709         if (TRACE_ON(dmusic)) {
 710                 int r = 0;
 711                 DMUS_PRIVATE_INSTRUMENTENTRY *tmpEntry;
 712                 struct list *listEntry;
 713
 714                 TRACE("*** IDirectMusicCollection (%p) ***\n", This->CollectionVtbl);
 715                 if (This->pDesc->dwValidData & DMUS_OBJ_OBJECT)
 716                         TRACE(" - GUID = %s\n", debugstr_dmguid(&This->pDesc->guidObject));
 717                 if (This->pDesc->dwValidData & DMUS_OBJ_VERSION)
 718                         TRACE(" - Version = %i,%i,%i,%i\n", (This->pDesc->vVersion.dwVersionMS >> 8) & 0x0000FFFF, This->pDesc->vVersion.dwVersionMS & 0x0000FFFF,
 719                                 (This->pDesc->vVersion.dwVersionLS >> 8) & 0x0000FFFF, This->pDesc->vVersion.dwVersionLS & 0x0000FFFF);
 720                 if (This->pDesc->dwValidData & DMUS_OBJ_NAME)
 721                         TRACE(" - Name = %s\n", debugstr_w(This->pDesc->wszName));
 722
 723                 TRACE(" - Collection header:\n");
 724                 TRACE("    - cInstruments: %d\n", This->pHeader->cInstruments);
 725                 TRACE(" - Instruments:\n");
 726
 727                 LIST_FOR_EACH (listEntry, &This->Instruments) {
 728                         tmpEntry = LIST_ENTRY( listEntry, DMUS_PRIVATE_INSTRUMENTENTRY, entry );
 729                         TRACE("    - Instrument[%i]: %p\n", r, tmpEntry->pInstrument);
 730                         r++;
 731                 }
 732         }
 733
 734         return S_OK;
 735 }
 736
 737 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 738         return E_NOTIMPL;
 739 }
 740
 741 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 742         return E_NOTIMPL;
 743 }
 744
 745 static const IPersistStreamVtbl DirectMusicCollection_PersistStream_Vtbl = {
 746         IDirectMusicCollectionImpl_IPersistStream_QueryInterface,
 747         IDirectMusicCollectionImpl_IPersistStream_AddRef,
 748         IDirectMusicCollectionImpl_IPersistStream_Release,
 749         IDirectMusicCollectionImpl_IPersistStream_GetClassID,
 750         IDirectMusicCollectionImpl_IPersistStream_IsDirty,
 751         IDirectMusicCollectionImpl_IPersistStream_Load,
 752         IDirectMusicCollectionImpl_IPersistStream_Save,
 753         IDirectMusicCollectionImpl_IPersistStream_GetSizeMax
 754 };
 755
 756
 757 /* for ClassFactory */
 758 HRESULT WINAPI DMUSIC_CreateDirectMusicCollectionImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 759         IDirectMusicCollectionImpl* obj;
 760
 761         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicCollectionImpl));
 762         if (NULL == obj) {
 763                 *ppobj = NULL;
 764                 return E_OUTOFMEMORY;
 765         }
 766         obj->UnknownVtbl = &DirectMusicCollection_Unknown_Vtbl;
 767         obj->CollectionVtbl = &DirectMusicCollection_Collection_Vtbl;
 768         obj->ObjectVtbl = &DirectMusicCollection_Object_Vtbl;
 769         obj->PersistStreamVtbl = &DirectMusicCollection_PersistStream_Vtbl;
 770         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 771         DM_STRUCT_INIT(obj->pDesc);
 772         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 773         obj->pDesc->guidClass = CLSID_DirectMusicCollection;
 774         obj->ref = 0; /* will be inited by QueryInterface */
 775         list_init (&obj->Instruments);
 776
 777         return IDirectMusicCollectionImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 778 }