dlls/dmstyle/styletrack.c

   1 /* IDirectMusicStyleTrack 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 "dmstyle_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_AddRef (LPUNKNOWN iface);
  26 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);
  27
  28 /*****************************************************************************
  29  * IDirectMusicStyleTrack implementation
  30  */
  31 typedef struct IDirectMusicStyleTrack {
  32     const IUnknownVtbl *UnknownVtbl;
  33     IDirectMusicTrack8 IDirectMusicTrack8_iface;
  34     const IPersistStreamVtbl *PersistStreamVtbl;
  35     LONG ref;
  36     DMUS_OBJECTDESC *pDesc;
  37     struct list Items;
  38 } IDirectMusicStyleTrack;
  39
  40 /* IDirectMusicStyleTrack IUnknown part: */
  41 static HRESULT WINAPI IDirectMusicStyleTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  42         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  43         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  44
  45         if (IsEqualIID (riid, &IID_IUnknown)) {
  46                 *ppobj = &This->UnknownVtbl;
  47                 IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  48                 return S_OK;
  49         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  50           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  51                 *ppobj = &This->IDirectMusicTrack8_iface;
  52                 IDirectMusicTrack8_AddRef (&This->IDirectMusicTrack8_iface);
  53                 return S_OK;
  54         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  55                 *ppobj = &This->PersistStreamVtbl;
  56                 IDirectMusicStyleTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  57                 return S_OK;
  58         }
  59
  60         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  61         return E_NOINTERFACE;
  62 }
  63
  64 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  65         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  66         ULONG ref = InterlockedIncrement(&This->ref);
  67
  68         TRACE("(%p): AddRef from %d\n", This, ref - 1);
  69
  70         DMSTYLE_LockModule();
  71
  72         return ref;
  73 }
  74
  75 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_Release (LPUNKNOWN iface) {
  76         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  77         ULONG ref = InterlockedDecrement(&This->ref);
  78
  79         TRACE("(%p): ReleaseRef to %d\n", This, ref);
  80
  81         if (ref == 0) {
  82                 HeapFree(GetProcessHeap(), 0, This);
  83         }
  84
  85         DMSTYLE_UnlockModule();
  86
  87         return ref;
  88 }
  89
  90 static const IUnknownVtbl DirectMusicStyleTrack_Unknown_Vtbl = {
  91         IDirectMusicStyleTrack_IUnknown_QueryInterface,
  92         IDirectMusicStyleTrack_IUnknown_AddRef,
  93         IDirectMusicStyleTrack_IUnknown_Release
  94 };
  95
  96 /* IDirectMusicStyleTrack IDirectMusicTrack8 part: */
  97 static inline IDirectMusicStyleTrack *impl_from_IDirectMusicTrack8(IDirectMusicTrack8 *iface)
  98 {
  99     return CONTAINING_RECORD(iface, IDirectMusicStyleTrack, IDirectMusicTrack8_iface);
 100 }
 101
 102 static HRESULT WINAPI IDirectMusicTrack8Impl_QueryInterface(IDirectMusicTrack8 *iface, REFIID riid,
 103         void **ppobj)
 104 {
 105     IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 106         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 107 }
 108
 109 static ULONG WINAPI IDirectMusicTrack8Impl_AddRef(IDirectMusicTrack8 *iface)
 110 {
 111     IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 112         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 113 }
 114
 115 static ULONG WINAPI IDirectMusicTrack8Impl_Release(IDirectMusicTrack8 *iface)
 116 {
 117     IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 118         return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 119 }
 120
 121 static HRESULT WINAPI IDirectMusicTrack8Impl_Init(IDirectMusicTrack8 *iface,
 122         IDirectMusicSegment *pSegment)
 123 {
 124         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 125         FIXME("(%p, %p): stub\n", This, pSegment);
 126         return S_OK;
 127 }
 128
 129 static HRESULT WINAPI IDirectMusicTrack8Impl_InitPlay(IDirectMusicTrack8 *iface,
 130         IDirectMusicSegmentState *pSegmentState, IDirectMusicPerformance *pPerformance,
 131         void **ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
 132 {
 133         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 134         FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 135         return S_OK;
 136 }
 137
 138 static HRESULT WINAPI IDirectMusicTrack8Impl_EndPlay(IDirectMusicTrack8 *iface, void *pStateData)
 139 {
 140         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 141         FIXME("(%p, %p): stub\n", This, pStateData);
 142         return S_OK;
 143 }
 144
 145 static HRESULT WINAPI IDirectMusicTrack8Impl_Play(IDirectMusicTrack8 *iface, void *pStateData,
 146         MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags,
 147         IDirectMusicPerformance *pPerf, IDirectMusicSegmentState *pSegSt, DWORD dwVirtualID)
 148 {
 149         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 150         FIXME("(%p, %p, %d, %d, %d, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 151         return S_OK;
 152 }
 153
 154 static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface, REFGUID rguidType,
 155         MUSIC_TIME mtTime, MUSIC_TIME *pmtNext, void *pParam)
 156 {
 157         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 158         FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 159         return S_OK;
 160 }
 161
 162 static HRESULT WINAPI IDirectMusicTrack8Impl_SetParam(IDirectMusicTrack8 *iface, REFGUID rguidType,
 163         MUSIC_TIME mtTime, void *pParam)
 164 {
 165         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 166         FIXME("(%p, %s, %d, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 167         return S_OK;
 168 }
 169
 170 static HRESULT WINAPI IDirectMusicTrack8Impl_IsParamSupported(IDirectMusicTrack8 *iface,
 171         REFGUID rguidType)
 172 {
 173         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 174
 175         TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
 176
 177         if (!rguidType)
 178                 return E_POINTER;
 179
 180         if (IsEqualGUID (rguidType, &GUID_DisableTimeSig)
 181                 || IsEqualGUID (rguidType, &GUID_EnableTimeSig)
 182                 || IsEqualGUID (rguidType, &GUID_IDirectMusicStyle)
 183                 || IsEqualGUID (rguidType, &GUID_SeedVariations)
 184                 || IsEqualGUID (rguidType, &GUID_TimeSignature)) {
 185                 TRACE("param supported\n");
 186                 return S_OK;
 187         }
 188         TRACE("param unsupported\n");
 189         return DMUS_E_TYPE_UNSUPPORTED;
 190 }
 191
 192 static HRESULT WINAPI IDirectMusicTrack8Impl_AddNotificationType(IDirectMusicTrack8 *iface,
 193         REFGUID rguidNotificationType)
 194 {
 195         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 196         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 197         return S_OK;
 198 }
 199
 200 static HRESULT WINAPI IDirectMusicTrack8Impl_RemoveNotificationType(IDirectMusicTrack8 *iface,
 201         REFGUID rguidNotificationType)
 202 {
 203         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 204         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 205         return S_OK;
 206 }
 207
 208 static HRESULT WINAPI IDirectMusicTrack8Impl_Clone(IDirectMusicTrack8 *iface, MUSIC_TIME mtStart,
 209         MUSIC_TIME mtEnd, IDirectMusicTrack **ppTrack)
 210 {
 211         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 212         FIXME("(%p, %d, %d, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 213         return S_OK;
 214 }
 215
 216 static HRESULT WINAPI IDirectMusicTrack8Impl_PlayEx(IDirectMusicTrack8 *iface, void *pStateData,
 217         REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags,
 218         IDirectMusicPerformance *pPerf, IDirectMusicSegmentState *pSegSt, DWORD dwVirtualID)
 219 {
 220         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 221         FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
 222             wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
 223         return S_OK;
 224 }
 225
 226 static HRESULT WINAPI IDirectMusicTrack8Impl_GetParamEx(IDirectMusicTrack8 *iface,
 227         REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME *prtNext, void *pParam,
 228         void *pStateData, DWORD dwFlags)
 229 {
 230         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 231         FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 232             wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
 233         return S_OK;
 234 }
 235
 236 static HRESULT WINAPI IDirectMusicTrack8Impl_SetParamEx(IDirectMusicTrack8 *iface,
 237         REFGUID rguidType, REFERENCE_TIME rtTime, void *pParam, void *pStateData, DWORD dwFlags)
 238 {
 239         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 240         FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 241             wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
 242         return S_OK;
 243 }
 244
 245 static HRESULT WINAPI IDirectMusicTrack8Impl_Compose(IDirectMusicTrack8 *iface, IUnknown *context,
 246         DWORD trackgroup, IDirectMusicTrack **track)
 247 {
 248     IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 249
 250     TRACE("(%p, %p, %d, %p): method not implemented\n", This, context, trackgroup, track);
 251     return E_NOTIMPL;
 252 }
 253
 254 static HRESULT WINAPI IDirectMusicTrack8Impl_Join(IDirectMusicTrack8 *iface,
 255         IDirectMusicTrack *pNewTrack, MUSIC_TIME mtJoin, IUnknown *pContext, DWORD dwTrackGroup,
 256         IDirectMusicTrack **ppResultTrack)
 257 {
 258         IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
 259         FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 260         return S_OK;
 261 }
 262
 263 static const IDirectMusicTrack8Vtbl dmtrack8_vtbl = {
 264     IDirectMusicTrack8Impl_QueryInterface,
 265     IDirectMusicTrack8Impl_AddRef,
 266     IDirectMusicTrack8Impl_Release,
 267     IDirectMusicTrack8Impl_Init,
 268     IDirectMusicTrack8Impl_InitPlay,
 269     IDirectMusicTrack8Impl_EndPlay,
 270     IDirectMusicTrack8Impl_Play,
 271     IDirectMusicTrack8Impl_GetParam,
 272     IDirectMusicTrack8Impl_SetParam,
 273     IDirectMusicTrack8Impl_IsParamSupported,
 274     IDirectMusicTrack8Impl_AddNotificationType,
 275     IDirectMusicTrack8Impl_RemoveNotificationType,
 276     IDirectMusicTrack8Impl_Clone,
 277     IDirectMusicTrack8Impl_PlayEx,
 278     IDirectMusicTrack8Impl_GetParamEx,
 279     IDirectMusicTrack8Impl_SetParamEx,
 280     IDirectMusicTrack8Impl_Compose,
 281     IDirectMusicTrack8Impl_Join
 282 };
 283
 284 /* IDirectMusicStyleTrack IPersistStream part: */
 285 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 286         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 287         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 288 }
 289
 290 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 291         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 292         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 293 }
 294
 295 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 296   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 297   return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 298 }
 299
 300 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 301   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 302   TRACE("(%p, %p)\n", This, pClassID);
 303   *pClassID = CLSID_DirectMusicStyleTrack;
 304   return S_OK;
 305 }
 306
 307 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 308   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 309   FIXME("(%p): stub, always S_FALSE\n", This);
 310   return S_FALSE;
 311 }
 312
 313 static HRESULT parse_style_ref(IDirectMusicStyleTrack *This, DMUS_PRIVATE_CHUNK *pChunk,
 314         IStream *pStm)
 315 {
 316   DMUS_PRIVATE_CHUNK Chunk;
 317   DWORD ListSize[3], ListCount[3];
 318   LARGE_INTEGER liMove; /* used when skipping chunks */
 319   HRESULT hr;
 320
 321   IDirectMusicObject* pObject = NULL;
 322   LPDMUS_PRIVATE_STYLE_ITEM pNewItem = NULL;
 323
 324   if (pChunk->fccID != DMUS_FOURCC_STYLE_REF_LIST) {
 325     ERR_(dmfile)(": %s chunk should be a STYLE list\n", debugstr_fourcc (pChunk->fccID));
 326     return E_FAIL;
 327   }
 328
 329   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 330   ListCount[0] = 0;
 331
 332   do {
 333     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 334     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 335     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 336     switch (Chunk.fccID) {
 337     case DMUS_FOURCC_TIME_STAMP_CHUNK: {
 338       TRACE_(dmfile)(": Time Stamp chunk\n");
 339       pNewItem = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_STYLE_ITEM));
 340       if (NULL == pNewItem) {
 341         ERR(": no more memory\n");
 342         return  E_OUTOFMEMORY;
 343       }
 344       IStream_Read (pStm, &pNewItem->dwTimeStamp, sizeof(DWORD), NULL);
 345       TRACE_(dmfile)(" - dwTimeStamp: %u\n", pNewItem->dwTimeStamp);
 346       list_add_tail (&This->Items, &pNewItem->entry);
 347       break;
 348     }
 349     case FOURCC_LIST: {
 350       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 351       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 352       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 353       ListCount[1] = 0;
 354       switch (Chunk.fccID) {
 355         /**
 356          * should be a DMRF (DirectMusic Reference) list @TODO
 357          */
 358       case DMUS_FOURCC_REF_LIST: {
 359         FIXME_(dmfile)(": DMRF (DM References) list, not yet handled\n");
 360         hr = IDirectMusicUtils_IPersistStream_ParseReference((IPersistStream*)&This->PersistStreamVtbl,
 361                 &Chunk, pStm, &pObject);
 362         if (FAILED(hr)) {
 363           ERR(": could not load Reference\n");
 364           return hr;
 365         }
 366         hr = IDirectMusicObject_QueryInterface(pObject, &IID_IDirectMusicStyle8, (LPVOID*)&pNewItem->pObject);
 367         if (FAILED(hr)) {
 368           ERR(": Reference not an IDirectMusicStyle, exiting\n");
 369           exit(-1);
 370           return hr;
 371         }
 372         IDirectMusicObject_Release(pObject);
 373         break;
 374       }
 375       default: {
 376         TRACE_(dmfile)(": unknown (skipping)\n");
 377         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 378         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 379         break;
 380       }
 381       }
 382       break;
 383     }
 384     default: {
 385       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 386       liMove.QuadPart = Chunk.dwSize;
 387       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 388       break;
 389     }
 390     }
 391     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 392   } while (ListCount[0] < ListSize[0]);
 393
 394   return S_OK;
 395 }
 396
 397 static HRESULT parse_styletrack_list(IDirectMusicStyleTrack *This, DMUS_PRIVATE_CHUNK *pChunk,
 398         IStream *pStm)
 399 {
 400   DMUS_PRIVATE_CHUNK Chunk;
 401   DWORD ListSize[3], ListCount[3];
 402   LARGE_INTEGER liMove; /* used when skipping chunks */
 403   HRESULT hr;
 404
 405   if (pChunk->fccID != DMUS_FOURCC_STYLE_TRACK_LIST) {
 406     ERR_(dmfile)(": %s chunk should be a STYLETRACK list\n", debugstr_fourcc (pChunk->fccID));
 407     return E_FAIL;
 408   }
 409
 410   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 411   ListCount[0] = 0;
 412
 413   do {
 414     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 415     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 416     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 417     switch (Chunk.fccID) {
 418     case FOURCC_LIST: {
 419       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 420       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 421       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 422       ListCount[1] = 0;
 423       switch (Chunk.fccID) {
 424       case DMUS_FOURCC_STYLE_REF_LIST: {
 425         TRACE_(dmfile)(": STYLE_REF list\n");
 426         hr = parse_style_ref(This, &Chunk, pStm);
 427         if (FAILED(hr)) return hr;
 428         break;
 429       }
 430       default: {
 431         TRACE_(dmfile)(": unknown (skipping)\n");
 432         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 433         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 434         break;
 435       }
 436       }
 437       break;
 438     }
 439     default: {
 440       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 441       liMove.QuadPart = Chunk.dwSize;
 442       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 443       break;
 444     }
 445     }
 446     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 447   } while (ListCount[0] < ListSize[0]);
 448
 449   return S_OK;
 450 }
 451
 452 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 453   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 454
 455   DMUS_PRIVATE_CHUNK Chunk;
 456   LARGE_INTEGER liMove;
 457   HRESULT hr;
 458
 459   FIXME("(%p, %p): Loading not fully implemented yet\n", This, pStm);
 460
 461   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 462   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 463   switch (Chunk.fccID) {
 464   case FOURCC_LIST: {
 465     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 466     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 467     switch (Chunk.fccID) {
 468     case DMUS_FOURCC_STYLE_TRACK_LIST: {
 469       TRACE_(dmfile)(": Chord track list\n");
 470       hr = parse_styletrack_list(This, &Chunk, pStm);
 471       if (FAILED(hr)) return hr;
 472       break;
 473     }
 474     default: {
 475       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 476       liMove.QuadPart = Chunk.dwSize;
 477       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 478       return E_FAIL;
 479     }
 480     }
 481     TRACE_(dmfile)(": reading finished\n");
 482     break;
 483   }
 484   default: {
 485     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 486     liMove.QuadPart = Chunk.dwSize;
 487     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 488     return E_FAIL;
 489   }
 490   }
 491
 492   return S_OK;
 493 }
 494
 495 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 496   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 497   FIXME("(%p): Saving not implemented yet\n", This);
 498   return E_NOTIMPL;
 499 }
 500
 501 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 502   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 503   FIXME("(%p, %p): stub\n", This, pcbSize);
 504   return E_NOTIMPL;
 505 }
 506
 507 static const IPersistStreamVtbl DirectMusicStyleTrack_PersistStream_Vtbl = {
 508   IDirectMusicStyleTrack_IPersistStream_QueryInterface,
 509   IDirectMusicStyleTrack_IPersistStream_AddRef,
 510   IDirectMusicStyleTrack_IPersistStream_Release,
 511   IDirectMusicStyleTrack_IPersistStream_GetClassID,
 512   IDirectMusicStyleTrack_IPersistStream_IsDirty,
 513   IDirectMusicStyleTrack_IPersistStream_Load,
 514   IDirectMusicStyleTrack_IPersistStream_Save,
 515   IDirectMusicStyleTrack_IPersistStream_GetSizeMax
 516 };
 517
 518 /* for ClassFactory */
 519 HRESULT WINAPI create_dmstyletrack(REFIID lpcGUID, void **ppobj)
 520 {
 521   IDirectMusicStyleTrack* track;
 522
 523   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicStyleTrack));
 524   if (NULL == track) {
 525     *ppobj = NULL;
 526     return E_OUTOFMEMORY;
 527   }
 528   track->UnknownVtbl = &DirectMusicStyleTrack_Unknown_Vtbl;
 529     track->IDirectMusicTrack8_iface.lpVtbl = &dmtrack8_vtbl;
 530   track->PersistStreamVtbl = &DirectMusicStyleTrack_PersistStream_Vtbl;
 531   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 532   DM_STRUCT_INIT(track->pDesc);
 533   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 534   track->pDesc->guidClass = CLSID_DirectMusicStyleTrack;
 535   track->ref = 0; /* will be inited by QueryInterface */
 536   list_init (&track->Items);
 537
 538   return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 539 }