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_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface);
  27 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);
  28
  29 /*****************************************************************************
  30  * IDirectMusicStyleTrack implementation
  31  */
  32 /* IDirectMusicStyleTrack IUnknown part: */
  33 static HRESULT WINAPI IDirectMusicStyleTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  34         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  35         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  36
  37         if (IsEqualIID (riid, &IID_IUnknown)) {
  38                 *ppobj = &This->UnknownVtbl;
  39                 IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  40                 return S_OK;
  41         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  42           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  43                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
  44                 IDirectMusicStyleTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
  45                 return S_OK;
  46         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  47                 *ppobj = &This->PersistStreamVtbl;
  48                 IDirectMusicStyleTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  49                 return S_OK;
  50         }
  51
  52         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  53         return E_NOINTERFACE;
  54 }
  55
  56 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  57         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  58         ULONG ref = InterlockedIncrement(&This->ref);
  59
  60         TRACE("(%p): AddRef from %d\n", This, ref - 1);
  61
  62         DMSTYLE_LockModule();
  63
  64         return ref;
  65 }
  66
  67 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_Release (LPUNKNOWN iface) {
  68         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  69         ULONG ref = InterlockedDecrement(&This->ref);
  70
  71         TRACE("(%p): ReleaseRef to %d\n", This, ref);
  72
  73         if (ref == 0) {
  74                 HeapFree(GetProcessHeap(), 0, This);
  75         }
  76
  77         DMSTYLE_UnlockModule();
  78
  79         return ref;
  80 }
  81
  82 static const IUnknownVtbl DirectMusicStyleTrack_Unknown_Vtbl = {
  83         IDirectMusicStyleTrack_IUnknown_QueryInterface,
  84         IDirectMusicStyleTrack_IUnknown_AddRef,
  85         IDirectMusicStyleTrack_IUnknown_Release
  86 };
  87
  88 /* IDirectMusicStyleTrack IDirectMusicTrack8 part: */
  89 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  90         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
  91         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  92 }
  93
  94 static ULONG WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
  95         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
  96         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  97 }
  98
  99 static ULONG WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
 100         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 101         return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 102 }
 103
 104 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment)
 105 {
 106         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 107         FIXME("(%p, %p): stub\n", This, pSegment);
 108         return S_OK;
 109 }
 110
 111 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
 112 {
 113         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 114         FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 115         return S_OK;
 116 }
 117
 118 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 119 {
 120         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 121         FIXME("(%p, %p): stub\n", This, pStateData);
 122         return S_OK;
 123 }
 124
 125 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
 126 {
 127         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 128         FIXME("(%p, %p, %d, %d, %d, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 129         return S_OK;
 130 }
 131
 132 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 133         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 134         FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 135         return S_OK;
 136 }
 137
 138 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 139         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 140         FIXME("(%p, %s, %d, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 141         return S_OK;
 142 }
 143
 144 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 145         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 146
 147         TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
 148         if (IsEqualGUID (rguidType, &GUID_DisableTimeSig)
 149                 || IsEqualGUID (rguidType, &GUID_EnableTimeSig)
 150                 || IsEqualGUID (rguidType, &GUID_IDirectMusicStyle)
 151                 || IsEqualGUID (rguidType, &GUID_SeedVariations)
 152                 || IsEqualGUID (rguidType, &GUID_TimeSignature)) {
 153                 TRACE("param supported\n");
 154                 return S_OK;
 155         }
 156         TRACE("param unsupported\n");
 157         return DMUS_E_TYPE_UNSUPPORTED;
 158 }
 159
 160 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 161         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 162         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 163         return S_OK;
 164 }
 165
 166 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 167         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 168         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 169         return S_OK;
 170 }
 171
 172 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 173         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 174         FIXME("(%p, %d, %d, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 175         return S_OK;
 176 }
 177
 178 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
 179         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 180         FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
 181             wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
 182         return S_OK;
 183 }
 184
 185 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 186         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 187         FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 188             wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
 189         return S_OK;
 190 }
 191
 192 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 193         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 194         FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 195             wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
 196         return S_OK;
 197 }
 198
 199 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 200         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 201         FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 202         return S_OK;
 203 }
 204
 205 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 206         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 207         FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 208         return S_OK;
 209 }
 210
 211 static const IDirectMusicTrack8Vtbl DirectMusicStyleTrack_Track_Vtbl = {
 212         IDirectMusicStyleTrack_IDirectMusicTrack_QueryInterface,
 213         IDirectMusicStyleTrack_IDirectMusicTrack_AddRef,
 214         IDirectMusicStyleTrack_IDirectMusicTrack_Release,
 215         IDirectMusicStyleTrack_IDirectMusicTrack_Init,
 216         IDirectMusicStyleTrack_IDirectMusicTrack_InitPlay,
 217         IDirectMusicStyleTrack_IDirectMusicTrack_EndPlay,
 218         IDirectMusicStyleTrack_IDirectMusicTrack_Play,
 219         IDirectMusicStyleTrack_IDirectMusicTrack_GetParam,
 220         IDirectMusicStyleTrack_IDirectMusicTrack_SetParam,
 221         IDirectMusicStyleTrack_IDirectMusicTrack_IsParamSupported,
 222         IDirectMusicStyleTrack_IDirectMusicTrack_AddNotificationType,
 223         IDirectMusicStyleTrack_IDirectMusicTrack_RemoveNotificationType,
 224         IDirectMusicStyleTrack_IDirectMusicTrack_Clone,
 225         IDirectMusicStyleTrack_IDirectMusicTrack_PlayEx,
 226         IDirectMusicStyleTrack_IDirectMusicTrack_GetParamEx,
 227         IDirectMusicStyleTrack_IDirectMusicTrack_SetParamEx,
 228         IDirectMusicStyleTrack_IDirectMusicTrack_Compose,
 229         IDirectMusicStyleTrack_IDirectMusicTrack_Join
 230 };
 231
 232 /* IDirectMusicStyleTrack IPersistStream part: */
 233 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 234         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 235         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 236 }
 237
 238 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 239         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 240         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 241 }
 242
 243 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 244   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 245   return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 246 }
 247
 248 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 249   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 250   TRACE("(%p, %p)\n", This, pClassID);
 251   *pClassID = CLSID_DirectMusicStyleTrack;
 252   return S_OK;
 253 }
 254
 255 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 256   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 257   FIXME("(%p): stub, always S_FALSE\n", This);
 258   return S_FALSE;
 259 }
 260
 261 static HRESULT IDirectMusicStyleTrack_IPersistStream_ParseStyleRef (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 262   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 263   DMUS_PRIVATE_CHUNK Chunk;
 264   DWORD ListSize[3], ListCount[3];
 265   LARGE_INTEGER liMove; /* used when skipping chunks */
 266   HRESULT hr;
 267
 268   IDirectMusicObject* pObject = NULL;
 269   LPDMUS_PRIVATE_STYLE_ITEM pNewItem = NULL;
 270
 271   if (pChunk->fccID != DMUS_FOURCC_STYLE_REF_LIST) {
 272     ERR_(dmfile)(": %s chunk should be a STYLE list\n", debugstr_fourcc (pChunk->fccID));
 273     return E_FAIL;
 274   }
 275
 276   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 277   ListCount[0] = 0;
 278
 279   do {
 280     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 281     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 282     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 283     switch (Chunk.fccID) {
 284     case DMUS_FOURCC_TIME_STAMP_CHUNK: {
 285       TRACE_(dmfile)(": Time Stamp chunk\n");
 286       pNewItem = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_STYLE_ITEM));
 287       if (NULL == pNewItem) {
 288         ERR(": no more memory\n");
 289         return  E_OUTOFMEMORY;
 290       }
 291       IStream_Read (pStm, &pNewItem->dwTimeStamp, sizeof(DWORD), NULL);
 292       TRACE_(dmfile)(" - dwTimeStamp: %u\n", pNewItem->dwTimeStamp);
 293       list_add_tail (&This->Items, &pNewItem->entry);
 294       break;
 295     }
 296     case FOURCC_LIST: {
 297       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 298       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 299       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 300       ListCount[1] = 0;
 301       switch (Chunk.fccID) {
 302         /**
 303          * should be a DMRF (DirectMusic Reference) list @TODO
 304          */
 305       case DMUS_FOURCC_REF_LIST: {
 306         FIXME_(dmfile)(": DMRF (DM References) list, not yet handled\n");
 307         hr = IDirectMusicUtils_IPersistStream_ParseReference (iface,  &Chunk, pStm, &pObject);
 308         if (FAILED(hr)) {
 309           ERR(": could not load Reference\n");
 310           return hr;
 311         }
 312         hr = IDirectMusicObject_QueryInterface(pObject, &IID_IDirectMusicStyle8, (LPVOID*)&pNewItem->pObject);
 313         if (FAILED(hr)) {
 314           ERR(": Reference not an IDirectMusicStyle, exiting\n");
 315           exit(-1);
 316           return hr;
 317         }
 318         IDirectMusicObject_Release(pObject);
 319         break;
 320       }
 321       default: {
 322         TRACE_(dmfile)(": unknown (skipping)\n");
 323         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 324         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 325         break;
 326       }
 327       }
 328       break;
 329     }
 330     default: {
 331       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 332       liMove.QuadPart = Chunk.dwSize;
 333       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 334       break;
 335     }
 336     }
 337     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 338   } while (ListCount[0] < ListSize[0]);
 339
 340   return S_OK;
 341 }
 342
 343 static HRESULT IDirectMusicStyleTrack_IPersistStream_ParseStyleTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 344
 345   /*ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);*/
 346   DMUS_PRIVATE_CHUNK Chunk;
 347   DWORD ListSize[3], ListCount[3];
 348   LARGE_INTEGER liMove; /* used when skipping chunks */
 349   HRESULT hr;
 350
 351   if (pChunk->fccID != DMUS_FOURCC_STYLE_TRACK_LIST) {
 352     ERR_(dmfile)(": %s chunk should be a STYLETRACK list\n", debugstr_fourcc (pChunk->fccID));
 353     return E_FAIL;
 354   }
 355
 356   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 357   ListCount[0] = 0;
 358
 359   do {
 360     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 361     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 362     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 363     switch (Chunk.fccID) {
 364     case FOURCC_LIST: {
 365       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 366       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 367       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 368       ListCount[1] = 0;
 369       switch (Chunk.fccID) {
 370       case DMUS_FOURCC_STYLE_REF_LIST: {
 371         TRACE_(dmfile)(": STYLE_REF list\n");
 372         hr = IDirectMusicStyleTrack_IPersistStream_ParseStyleRef (iface, &Chunk, pStm);
 373         if (FAILED(hr)) return hr;
 374         break;
 375       }
 376       default: {
 377         TRACE_(dmfile)(": unknown (skipping)\n");
 378         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 379         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 380         break;
 381       }
 382       }
 383       break;
 384     }
 385     default: {
 386       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 387       liMove.QuadPart = Chunk.dwSize;
 388       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 389       break;
 390     }
 391     }
 392     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 393   } while (ListCount[0] < ListSize[0]);
 394
 395   return S_OK;
 396 }
 397
 398 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 399   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 400
 401   DMUS_PRIVATE_CHUNK Chunk;
 402   LARGE_INTEGER liMove;
 403   HRESULT hr;
 404
 405   FIXME("(%p, %p): Loading not fully implemented yet\n", This, pStm);
 406
 407   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 408   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 409   switch (Chunk.fccID) {
 410   case FOURCC_LIST: {
 411     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 412     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 413     switch (Chunk.fccID) {
 414     case DMUS_FOURCC_STYLE_TRACK_LIST: {
 415       TRACE_(dmfile)(": Chord track list\n");
 416       hr = IDirectMusicStyleTrack_IPersistStream_ParseStyleTrackList (iface, &Chunk, pStm);
 417       if (FAILED(hr)) return hr;
 418       break;
 419     }
 420     default: {
 421       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 422       liMove.QuadPart = Chunk.dwSize;
 423       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 424       return E_FAIL;
 425     }
 426     }
 427     TRACE_(dmfile)(": reading finished\n");
 428     break;
 429   }
 430   default: {
 431     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 432     liMove.QuadPart = Chunk.dwSize;
 433     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 434     return E_FAIL;
 435   }
 436   }
 437
 438   return S_OK;
 439 }
 440
 441 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 442   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 443   FIXME("(%p): Saving not implemented yet\n", This);
 444   return E_NOTIMPL;
 445 }
 446
 447 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 448   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 449   FIXME("(%p, %p): stub\n", This, pcbSize);
 450   return E_NOTIMPL;
 451 }
 452
 453 static const IPersistStreamVtbl DirectMusicStyleTrack_PersistStream_Vtbl = {
 454   IDirectMusicStyleTrack_IPersistStream_QueryInterface,
 455   IDirectMusicStyleTrack_IPersistStream_AddRef,
 456   IDirectMusicStyleTrack_IPersistStream_Release,
 457   IDirectMusicStyleTrack_IPersistStream_GetClassID,
 458   IDirectMusicStyleTrack_IPersistStream_IsDirty,
 459   IDirectMusicStyleTrack_IPersistStream_Load,
 460   IDirectMusicStyleTrack_IPersistStream_Save,
 461   IDirectMusicStyleTrack_IPersistStream_GetSizeMax
 462 };
 463
 464 /* for ClassFactory */
 465 HRESULT WINAPI create_dmstyletrack(REFIID lpcGUID, void **ppobj)
 466 {
 467   IDirectMusicStyleTrack* track;
 468
 469   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicStyleTrack));
 470   if (NULL == track) {
 471     *ppobj = NULL;
 472     return E_OUTOFMEMORY;
 473   }
 474   track->UnknownVtbl = &DirectMusicStyleTrack_Unknown_Vtbl;
 475   track->TrackVtbl = &DirectMusicStyleTrack_Track_Vtbl;
 476   track->PersistStreamVtbl = &DirectMusicStyleTrack_PersistStream_Vtbl;
 477   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 478   DM_STRUCT_INIT(track->pDesc);
 479   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 480   track->pDesc->guidClass = CLSID_DirectMusicStyleTrack;
 481   track->ref = 0; /* will be inited by QueryInterface */
 482   list_init (&track->Items);
 483
 484   return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 485 }