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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                         IDirectMusicInstrumentImpl *pInstrument = impl_from_IDirectMusicInstrument(tmpEntry->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 {
 194         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 195
 196         TRACE("(%p, %p)\n", iface, pDesc);
 197
 198         if (!pDesc)
 199                 return E_POINTER;
 200
 201         if (TRACE_ON(dmusic))
 202         {
 203                 TRACE("Setting descriptor:\n");
 204                 dump_DMUS_OBJECTDESC(pDesc);
 205         }
 206
 207         /* According to MSDN, we should copy only given values, not whole struct */
 208         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 209                 This->pDesc->guidObject = pDesc->guidObject;
 210         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 211                 This->pDesc->guidClass = pDesc->guidClass;
 212         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 213                lstrcpynW(This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 214         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 215                lstrcpynW(This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 216         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 217                lstrcpynW(This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 218         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 219                 This->pDesc->vVersion = pDesc->vVersion;
 220         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 221                 This->pDesc->ftDate = pDesc->ftDate;
 222         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 223                 This->pDesc->llMemLength = pDesc->llMemLength;
 224                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, pDesc->llMemLength);
 225         }
 226         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 227                 /* according to MSDN, we copy the stream */
 228                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 229         }
 230
 231         /* add new flags */
 232         This->pDesc->dwValidData |= pDesc->dwValidData;
 233
 234         return S_OK;
 235 }
 236
 237 static HRESULT read_from_stream(IStream *stream, void *data, ULONG size)
 238 {
 239     ULONG read;
 240     HRESULT hr;
 241
 242     hr = IStream_Read(stream, data, size, &read);
 243     if (FAILED(hr)) {
 244         TRACE("IStream_Read failed: %08x\n", hr);
 245         return hr;
 246     }
 247     if (read < size) {
 248         TRACE("Didn't read full chunk: %u < %u\n", read, size);
 249         return E_FAIL;
 250     }
 251
 252     return S_OK;
 253 }
 254
 255 static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_ParseDescriptor(LPDIRECTMUSICOBJECT iface, LPSTREAM stream, LPDMUS_OBJECTDESC desc)
 256 {
 257     ICOM_THIS_MULTI(IDirectMusicCollectionImpl, ObjectVtbl, iface);
 258     DMUS_PRIVATE_CHUNK chunk;
 259     DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 260     LARGE_INTEGER liMove; /* used when skipping chunks */
 261     HRESULT hr;
 262
 263     TRACE("(%p)->(%p, %p)\n", This, stream, desc);
 264
 265     /* FIXME: should this be determined from stream? */
 266     desc->dwValidData |= DMUS_OBJ_CLASS;
 267     desc->guidClass = CLSID_DirectMusicCollection;
 268
 269     hr = read_from_stream(stream, &chunk, sizeof(FOURCC) + sizeof(DWORD));
 270     if (FAILED(hr))
 271         return hr;
 272     TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc(chunk.fccID), chunk.dwSize);
 273
 274     if (chunk.fccID != FOURCC_RIFF) {
 275         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 276         liMove.QuadPart = chunk.dwSize;
 277         IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 278         return DMUS_E_INVALIDFILE;
 279     }
 280
 281     hr = read_from_stream(stream, &chunk.fccID, sizeof(FOURCC));
 282     if (FAILED(hr))
 283         return hr;
 284     TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunk.fccID));
 285     StreamSize = chunk.dwSize - sizeof(FOURCC);
 286
 287     if (chunk.fccID != mmioFOURCC('D','L','S',' ')) {
 288         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 289         liMove.QuadPart = StreamSize;
 290         IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 291         return E_FAIL;
 292     }
 293
 294     StreamCount = 0;
 295     TRACE_(dmfile)(": collection form\n");
 296
 297     do {
 298         hr = read_from_stream(stream, &chunk, sizeof(FOURCC) + sizeof(DWORD));
 299         if (FAILED(hr))
 300             return hr;
 301         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunk.dwSize;
 302         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc(chunk.fccID), chunk.dwSize);
 303         switch (chunk.fccID) {
 304             case FOURCC_DLID:
 305                 TRACE_(dmfile)(": GUID chunk\n");
 306                 desc->dwValidData |= DMUS_OBJ_OBJECT;
 307                 hr = read_from_stream(stream, &desc->guidObject, chunk.dwSize);
 308                 if (FAILED(hr))
 309                     return hr;
 310                 break;
 311
 312             case DMUS_FOURCC_VERSION_CHUNK:
 313                 TRACE_(dmfile)(": version chunk\n");
 314                 desc->dwValidData |= DMUS_OBJ_VERSION;
 315                 hr = read_from_stream(stream, &desc->vVersion, chunk.dwSize);
 316                 if (FAILED(hr))
 317                     return hr;
 318                 break;
 319
 320             case DMUS_FOURCC_CATEGORY_CHUNK:
 321                 TRACE_(dmfile)(": category chunk\n");
 322                 desc->dwValidData |= DMUS_OBJ_CATEGORY;
 323                 hr = read_from_stream(stream, desc->wszCategory, chunk.dwSize);
 324                 if (FAILED(hr))
 325                     return hr;
 326                 break;
 327
 328             case FOURCC_LIST:
 329                 hr = read_from_stream(stream, &chunk.fccID, sizeof(FOURCC));
 330                 if (FAILED(hr))
 331                     return hr;
 332                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunk.fccID));
 333                 ListSize[0] = chunk.dwSize - sizeof(FOURCC);
 334                 ListCount[0] = 0;
 335                 switch (chunk.fccID) {
 336                     /* pure INFO list, such can be found in dls collections */
 337                     case mmioFOURCC('I','N','F','O'):
 338                         TRACE_(dmfile)(": INFO list\n");
 339                         do {
 340                             hr = read_from_stream(stream, &chunk, sizeof(FOURCC) + sizeof(DWORD));
 341                             if (FAILED(hr))
 342                                 return hr;
 343                             ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunk.dwSize;
 344                             TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc(chunk.fccID), chunk.dwSize);
 345                             switch (chunk.fccID) {
 346                                 case mmioFOURCC('I','N','A','M'): {
 347                                     CHAR szName[DMUS_MAX_NAME];
 348                                     TRACE_(dmfile)(": name chunk\n");
 349                                     desc->dwValidData |= DMUS_OBJ_NAME;
 350                                     hr = read_from_stream(stream, szName, chunk.dwSize);
 351                                     if (FAILED(hr))
 352                                         return hr;
 353                                     MultiByteToWideChar (CP_ACP, 0, szName, -1, desc->wszName, DMUS_MAX_NAME);
 354                                     if (even_or_odd(chunk.dwSize)) {
 355                                         ListCount[0]++;
 356                                         liMove.QuadPart = 1;
 357                                         IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 358                                     }
 359                                     break;
 360                                 }
 361
 362                                 case mmioFOURCC('I','A','R','T'):
 363                                     TRACE_(dmfile)(": artist chunk (ignored)\n");
 364                                     if (even_or_odd(chunk.dwSize)) {
 365                                         ListCount[0]++;
 366                                         chunk.dwSize++;
 367                                     }
 368                                     liMove.QuadPart = chunk.dwSize;
 369                                     IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 370                                     break;
 371
 372                                 case mmioFOURCC('I','C','O','P'):
 373                                     TRACE_(dmfile)(": copyright chunk (ignored)\n");
 374                                     if (even_or_odd(chunk.dwSize)) {
 375                                         ListCount[0]++;
 376                                         chunk.dwSize++;
 377                                     }
 378                                     liMove.QuadPart = chunk.dwSize;
 379                                     IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 380                                     break;
 381
 382                                 case mmioFOURCC('I','S','B','J'):
 383                                     TRACE_(dmfile)(": subject chunk (ignored)\n");
 384                                     if (even_or_odd(chunk.dwSize)) {
 385                                         ListCount[0]++;
 386                                         chunk.dwSize++;
 387                                     }
 388                                     liMove.QuadPart = chunk.dwSize;
 389                                     IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 390                                     break;
 391
 392                                 case mmioFOURCC('I','C','M','T'):
 393                                     TRACE_(dmfile)(": comment chunk (ignored)\n");
 394                                     if (even_or_odd(chunk.dwSize)) {
 395                                         ListCount[0]++;
 396                                         chunk.dwSize++;
 397                                     liMove.QuadPart = chunk.dwSize;
 398                                     IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 399                                     break;
 400                                 }
 401
 402                                 default:
 403                                     TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 404                                     if (even_or_odd(chunk.dwSize)) {
 405                                         ListCount[0] ++;
 406                                         chunk.dwSize++;
 407                                     }
 408                                     liMove.QuadPart = chunk.dwSize;
 409                                     IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 410                                     break;
 411                             }
 412                             TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 413                          } while (ListCount[0] < ListSize[0]);
 414                          break;
 415
 416                      default:
 417                          TRACE_(dmfile)(": unknown (skipping)\n");
 418                          liMove.QuadPart = chunk.dwSize - sizeof(FOURCC);
 419                          IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 420                          break;
 421                  }
 422                  break;
 423
 424             default:
 425                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 426                 liMove.QuadPart = chunk.dwSize;
 427                 IStream_Seek(stream, liMove, STREAM_SEEK_CUR, NULL);
 428                 break;
 429         }
 430         TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 431     } while (StreamCount < StreamSize);
 432
 433     TRACE_(dmfile)(": reading finished\n");
 434
 435     if (TRACE_ON(dmusic)) {
 436         TRACE("Returning descriptor:\n");
 437         dump_DMUS_OBJECTDESC(desc);
 438     }
 439
 440     return S_OK;
 441 }
 442
 443 static const IDirectMusicObjectVtbl DirectMusicCollection_Object_Vtbl = {
 444         IDirectMusicCollectionImpl_IDirectMusicObject_QueryInterface,
 445         IDirectMusicCollectionImpl_IDirectMusicObject_AddRef,
 446         IDirectMusicCollectionImpl_IDirectMusicObject_Release,
 447         IDirectMusicCollectionImpl_IDirectMusicObject_GetDescriptor,
 448         IDirectMusicCollectionImpl_IDirectMusicObject_SetDescriptor,
 449         IDirectMusicCollectionImpl_IDirectMusicObject_ParseDescriptor
 450 };
 451
 452 /* IDirectMusicCollectionImpl IPersistStream part: */
 453 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 454         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 455         return IDirectMusicCollectionImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 456 }
 457
 458 static ULONG WINAPI IDirectMusicCollectionImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 459         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 460         return IDirectMusicCollectionImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 461 }
 462
 463 static ULONG WINAPI IDirectMusicCollectionImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 464         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 465         return IDirectMusicCollectionImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 466 }
 467
 468 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 469         return E_NOTIMPL;
 470 }
 471
 472 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 473         return E_NOTIMPL;
 474 }
 475
 476 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 477         ICOM_THIS_MULTI(IDirectMusicCollectionImpl, PersistStreamVtbl, iface);
 478
 479         DMUS_PRIVATE_CHUNK Chunk;
 480         DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 481         LARGE_INTEGER liMove; /* used when skipping chunks */
 482         ULARGE_INTEGER dlibCollectionPosition, dlibInstrumentPosition, dlibWavePoolPosition;
 483
 484         IStream_AddRef (pStm); /* add count for later references */
 485         liMove.QuadPart = 0;
 486         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &dlibCollectionPosition); /* store offset, in case it'll be needed later */
 487         This->liCollectionPosition.QuadPart = dlibCollectionPosition.QuadPart;
 488         This->pStm = pStm;
 489
 490         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 491         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 492         switch (Chunk.fccID) {
 493                 case FOURCC_RIFF: {
 494                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 495                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 496                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 497                         StreamCount = 0;
 498                         switch (Chunk.fccID) {
 499                                 case FOURCC_DLS: {
 500                                         TRACE_(dmfile)(": collection form\n");
 501                                         do {
 502                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 503                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 504                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 505                                                 switch (Chunk.fccID) {
 506                                                         case FOURCC_COLH: {
 507                                                                 TRACE_(dmfile)(": collection header chunk\n");
 508                                                                 This->pHeader = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 509                                                                 IStream_Read (pStm, This->pHeader, Chunk.dwSize, NULL);
 510                                                                 break;
 511                                                         }
 512                                                         case FOURCC_DLID: {
 513                                                                 TRACE_(dmfile)(": DLID (GUID) chunk\n");
 514                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 515                                                                 IStream_Read (pStm, &This->pDesc->guidObject, Chunk.dwSize, NULL);
 516                                                                 break;
 517                                                         }
 518                                                         case FOURCC_VERS: {
 519                                                                 TRACE_(dmfile)(": version chunk\n");
 520                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 521                                                                 IStream_Read (pStm, &This->pDesc->vVersion, Chunk.dwSize, NULL);
 522                                                                 break;
 523                                                         }
 524                                                         case FOURCC_PTBL: {
 525                                                                 TRACE_(dmfile)(": pool table chunk\n");
 526                                                                 This->pPoolTable = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(POOLTABLE));
 527                                                                 IStream_Read (pStm, This->pPoolTable, sizeof(POOLTABLE), NULL);
 528                                                                 Chunk.dwSize -= sizeof(POOLTABLE);
 529                                                                 This->pPoolCues = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, This->pPoolTable->cCues*sizeof(POOLCUE));
 530                                                                 IStream_Read (pStm, This->pPoolCues, Chunk.dwSize, NULL);
 531                                                                 break;
 532                                                         }
 533                                                         case FOURCC_LIST: {
 534                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 535                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 536                                                                 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 537                                                                 ListCount[0] = 0;
 538                                                                 switch (Chunk.fccID) {
 539                                                                         case mmioFOURCC('I','N','F','O'): {
 540                                                                                 TRACE_(dmfile)(": INFO list\n");
 541                                                                                 do {
 542                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 543                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 544                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 545                                                                                         switch (Chunk.fccID) {
 546                                                                                                 case mmioFOURCC('I','N','A','M'): {
 547                                                                                                         CHAR szName[DMUS_MAX_NAME];
 548                                                                                                         TRACE_(dmfile)(": name chunk\n");
 549                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 550                                                                                                         IStream_Read (pStm, szName, Chunk.dwSize, NULL);
 551                                                                                                         MultiByteToWideChar (CP_ACP, 0, szName, -1, This->pDesc->wszName, DMUS_MAX_NAME);
 552                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 553                                                                                                                 ListCount[0] ++;
 554                                                                                                                 liMove.QuadPart = 1;
 555                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 556                                                                                                         }
 557                                                                                                         break;
 558                                                                                                 }
 559                                                                                                 case mmioFOURCC('I','A','R','T'): {
 560                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 561                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 562                                                                                                                 ListCount[0] ++;
 563                                                                                                                 Chunk.dwSize++;
 564                                                                                                         }
 565                                                                                                         liMove.QuadPart = Chunk.dwSize;
 566                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 567                                                                                                         break;
 568                                                                                                 }
 569                                                                                                 case mmioFOURCC('I','C','O','P'): {
 570                                                                                                         TRACE_(dmfile)(": copyright chunk\n");
 571                                                                                                         This->szCopyright = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 572                                                                                                         IStream_Read (pStm, This->szCopyright, Chunk.dwSize, NULL);
 573                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 574                                                                                                                 ListCount[0] ++;
 575                                                                                                                 liMove.QuadPart = 1;
 576                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 577                                                                                                         }
 578                                                                                                         break;
 579                                                                                                 }
 580                                                                                                 case mmioFOURCC('I','S','B','J'): {
 581                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 582                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 583                                                                                                                 ListCount[0] ++;
 584                                                                                                                 Chunk.dwSize++;
 585                                                                                                         }
 586                                                                                                         liMove.QuadPart = Chunk.dwSize;
 587                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 588                                                                                                         break;
 589                                                                                                 }
 590                                                                                                 case mmioFOURCC('I','C','M','T'): {
 591                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 592                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 593                                                                                                                 ListCount[0] ++;
 594                                                                                                                 Chunk.dwSize++;
 595                                                                                                         }
 596                                                                                                         liMove.QuadPart = Chunk.dwSize;
 597                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 598                                                                                                         break;
 599                                                                                                 }
 600                                                                                                 default: {
 601                                                                                                         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 602                                                                                                         if (even_or_odd(Chunk.dwSize)) {
 603                                                                                                                 ListCount[0] ++;
 604                                                                                                                 Chunk.dwSize++;
 605                                                                                                         }
 606                                                                                                         liMove.QuadPart = Chunk.dwSize;
 607                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 608                                                                                                         break;
 609                                                                                                 }
 610                                                                                         }
 611                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 612                                                                                 } while (ListCount[0] < ListSize[0]);
 613                                                                                 break;
 614                                                                         }
 615                                                                         case FOURCC_WVPL: {
 616                                                                                 TRACE_(dmfile)(": wave pool list (mark & skip)\n");
 617                                                                                 liMove.QuadPart = 0;
 618                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &dlibWavePoolPosition); /* store position */
 619                                                                                 This->liWavePoolTablePosition.QuadPart = dlibWavePoolPosition.QuadPart;
 620                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 621                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 622                                                                                 break;
 623                                                                         }
 624                                                                         case FOURCC_LINS: {
 625                                                                                 TRACE_(dmfile)(": instruments list\n");
 626                                                                                 do {
 627                                                                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 628                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 629                                                                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 630                                                                                         switch (Chunk.fccID) {
 631                                                                                                 case FOURCC_LIST: {
 632                                                                                                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 633                                                                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 634                                                                                                         ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 635                                                                                                         ListCount[1] = 0;
 636                                                                                                         switch (Chunk.fccID) {
 637                                                                                                                 case FOURCC_INS: {
 638                                                                                                                         LPDMUS_PRIVATE_INSTRUMENTENTRY pNewInstrument = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_INSTRUMENTENTRY));
 639                                                                                                                         TRACE_(dmfile)(": instrument list\n");
 640                                                                                                                         DMUSIC_CreateDirectMusicInstrumentImpl (&IID_IDirectMusicInstrument, (LPVOID*)&pNewInstrument->pInstrument, NULL); /* only way to create this one... even M$ does it discretely */
 641                                                                                                                         {
 642                                                                                                                             IDirectMusicInstrumentImpl *pInstrument = impl_from_IDirectMusicInstrument(pNewInstrument->pInstrument);
 643                                                                                                                             liMove.QuadPart = 0;
 644                                                                                                                             IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &dlibInstrumentPosition);
 645                                                                                                                             pInstrument->liInstrumentPosition.QuadPart = dlibInstrumentPosition.QuadPart - (2*sizeof(FOURCC) + sizeof(DWORD)); /* store offset, it'll be needed later */
 646
 647                                                                                                                             do {
 648                                                                                                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 649                                                                                                                                 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 650                                                                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 651                                                                                                                                 switch (Chunk.fccID) {
 652                                                                                                                                         case FOURCC_INSH: {
 653                                                                                                                                                 TRACE_(dmfile)(": instrument header chunk\n");
 654                                                                                                                                                 pInstrument->pHeader = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 655                                                                                                                                                 IStream_Read (pStm, pInstrument->pHeader, Chunk.dwSize, NULL);
 656                                                                                                                                                 break;
 657                                                                                                                                         }
 658                                                                                                                                         case FOURCC_DLID: {
 659                                                                                                                                                 TRACE_(dmfile)(": DLID (GUID) chunk\n");
 660                                                                                                                                                 pInstrument->pInstrumentID = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
 661                                                                                                                                                 IStream_Read (pStm, pInstrument->pInstrumentID, Chunk.dwSize, NULL);
 662                                                                                                                                                 break;
 663                                                                                                                                         }
 664                                                                                                                                         case FOURCC_LIST: {
 665                                                                                                                                                 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 666                                                                                                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 667                                                                                                                                                 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
 668                                                                                                                                                 ListCount[2] = 0;
 669                                                                                                                                                 switch (Chunk.fccID) {
 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 (irrelevant & skipping)\n");
 681                                                                                                                                                 liMove.QuadPart = Chunk.dwSize;
 682                                                                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 683                                                                                                                                                 break;
 684                                                                                                                                         }
 685                                                                                                                                 }
 686                                                                                                                                 TRACE_(dmfile)(": ListCount[1] = %d < ListSize[1] = %d\n", ListCount[1], ListSize[1]);
 687                                                                                                                             } while (ListCount[1] < ListSize[1]);
 688                                                                                                                             /* DEBUG: dumps whole instrument object tree: */
 689                                                                                                                             if (TRACE_ON(dmusic)) {
 690                                                                                                                                 TRACE("*** IDirectMusicInstrument (%p) ***\n", pInstrument);
 691                                                                                                                                 if (pInstrument->pInstrumentID)
 692                                                                                                                                         TRACE(" - GUID = %s\n", debugstr_dmguid(pInstrument->pInstrumentID));
 693
 694                                                                                                                                 TRACE(" - Instrument header:\n");
 695                                                                                                                                 TRACE("    - cRegions: %d\n", pInstrument->pHeader->cRegions);
 696                                                                                                                                 TRACE("    - Locale:\n");
 697                                                                                                                                 TRACE("       - ulBank: %d\n", pInstrument->pHeader->Locale.ulBank);
 698                                                                                                                                 TRACE("       - ulInstrument: %d\n", pInstrument->pHeader->Locale.ulInstrument);
 699                                                                                                                                 TRACE("       => dwPatch: %d\n", MIDILOCALE2Patch(&pInstrument->pHeader->Locale));
 700                                                                                                                             }
 701                                                                                                                             list_add_tail (&This->Instruments, &pNewInstrument->entry);
 702                                                                                                                         }
 703                                                                                                                         break;
 704                                                                                                                 }
 705                                                                                                         }
 706                                                                                                         break;
 707                                                                                                 }
 708                                                                                                 default: {
 709                                                                                                         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 710                                                                                                         liMove.QuadPart = Chunk.dwSize;
 711                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 712                                                                                                         break;
 713                                                                                                 }
 714                                                                                         }
 715                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 716                                                                                 } while (ListCount[0] < ListSize[0]);
 717                                                                                 break;
 718                                                                         }
 719                                                                         default: {
 720                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 721                                                                                 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 722                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 723                                                                                 break;
 724                                                                         }
 725                                                                 }
 726                                                                 break;
 727                                                         }
 728                                                         default: {
 729                                                                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 730                                                                 liMove.QuadPart = Chunk.dwSize;
 731                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 732                                                                 break;
 733                                                         }
 734                                                 }
 735                                                 TRACE_(dmfile)(": StreamCount = %d < StreamSize = %d\n", StreamCount, StreamSize);
 736                                         } while (StreamCount < StreamSize);
 737                                         break;
 738                                 }
 739                                 default: {
 740                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 741                                         liMove.QuadPart = StreamSize;
 742                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 743                                         return E_FAIL;
 744                                 }
 745                         }
 746                         TRACE_(dmfile)(": reading finished\n");
 747                         break;
 748                 }
 749                 default: {
 750                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 751                         liMove.QuadPart = Chunk.dwSize;
 752                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 753                         return E_FAIL;
 754                 }
 755         }
 756
 757         /* DEBUG: dumps whole collection object tree: */
 758         if (TRACE_ON(dmusic)) {
 759                 int r = 0;
 760                 DMUS_PRIVATE_INSTRUMENTENTRY *tmpEntry;
 761                 struct list *listEntry;
 762
 763                 TRACE("*** IDirectMusicCollection (%p) ***\n", This->CollectionVtbl);
 764                 if (This->pDesc->dwValidData & DMUS_OBJ_OBJECT)
 765                         TRACE(" - GUID = %s\n", debugstr_dmguid(&This->pDesc->guidObject));
 766                 if (This->pDesc->dwValidData & DMUS_OBJ_VERSION)
 767                         TRACE(" - Version = %i,%i,%i,%i\n", (This->pDesc->vVersion.dwVersionMS >> 8) & 0x0000FFFF, This->pDesc->vVersion.dwVersionMS & 0x0000FFFF,
 768                                 (This->pDesc->vVersion.dwVersionLS >> 8) & 0x0000FFFF, This->pDesc->vVersion.dwVersionLS & 0x0000FFFF);
 769                 if (This->pDesc->dwValidData & DMUS_OBJ_NAME)
 770                         TRACE(" - Name = %s\n", debugstr_w(This->pDesc->wszName));
 771
 772                 TRACE(" - Collection header:\n");
 773                 TRACE("    - cInstruments: %d\n", This->pHeader->cInstruments);
 774                 TRACE(" - Instruments:\n");
 775
 776                 LIST_FOR_EACH (listEntry, &This->Instruments) {
 777                         tmpEntry = LIST_ENTRY( listEntry, DMUS_PRIVATE_INSTRUMENTENTRY, entry );
 778                         TRACE("    - Instrument[%i]: %p\n", r, tmpEntry->pInstrument);
 779                         r++;
 780                 }
 781         }
 782
 783         return S_OK;
 784 }
 785
 786 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 787         return E_NOTIMPL;
 788 }
 789
 790 static HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 791         return E_NOTIMPL;
 792 }
 793
 794 static const IPersistStreamVtbl DirectMusicCollection_PersistStream_Vtbl = {
 795         IDirectMusicCollectionImpl_IPersistStream_QueryInterface,
 796         IDirectMusicCollectionImpl_IPersistStream_AddRef,
 797         IDirectMusicCollectionImpl_IPersistStream_Release,
 798         IDirectMusicCollectionImpl_IPersistStream_GetClassID,
 799         IDirectMusicCollectionImpl_IPersistStream_IsDirty,
 800         IDirectMusicCollectionImpl_IPersistStream_Load,
 801         IDirectMusicCollectionImpl_IPersistStream_Save,
 802         IDirectMusicCollectionImpl_IPersistStream_GetSizeMax
 803 };
 804
 805
 806 /* for ClassFactory */
 807 HRESULT WINAPI DMUSIC_CreateDirectMusicCollectionImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 808         IDirectMusicCollectionImpl* obj;
 809
 810         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicCollectionImpl));
 811         if (NULL == obj) {
 812                 *ppobj = NULL;
 813                 return E_OUTOFMEMORY;
 814         }
 815         obj->UnknownVtbl = &DirectMusicCollection_Unknown_Vtbl;
 816         obj->CollectionVtbl = &DirectMusicCollection_Collection_Vtbl;
 817         obj->ObjectVtbl = &DirectMusicCollection_Object_Vtbl;
 818         obj->PersistStreamVtbl = &DirectMusicCollection_PersistStream_Vtbl;
 819         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 820         DM_STRUCT_INIT(obj->pDesc);
 821         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 822         obj->pDesc->guidClass = CLSID_DirectMusicCollection;
 823         obj->ref = 0; /* will be inited by QueryInterface */
 824         list_init (&obj->Instruments);
 825
 826         return IDirectMusicCollectionImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 827 }