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 typedef struct IDirectMusicStyleTrack {
  33     const IUnknownVtbl *UnknownVtbl;
  34     const IDirectMusicTrack8Vtbl *TrackVtbl;
  35     const IPersistStreamVtbl *PersistStreamVtbl;
  36     LONG ref;
  37     DMUS_OBJECTDESC *pDesc;
  38     struct list Items;
  39 } IDirectMusicStyleTrack;
  40
  41 /* IDirectMusicStyleTrack IUnknown part: */
  42 static HRESULT WINAPI IDirectMusicStyleTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  43         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  44         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  45
  46         if (IsEqualIID (riid, &IID_IUnknown)) {
  47                 *ppobj = &This->UnknownVtbl;
  48                 IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  49                 return S_OK;
  50         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  51           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  52                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
  53                 IDirectMusicStyleTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
  54                 return S_OK;
  55         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  56                 *ppobj = &This->PersistStreamVtbl;
  57                 IDirectMusicStyleTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  58                 return S_OK;
  59         }
  60
  61         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  62         return E_NOINTERFACE;
  63 }
  64
  65 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  66         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  67         ULONG ref = InterlockedIncrement(&This->ref);
  68
  69         TRACE("(%p): AddRef from %d\n", This, ref - 1);
  70
  71         DMSTYLE_LockModule();
  72
  73         return ref;
  74 }
  75
  76 static ULONG WINAPI IDirectMusicStyleTrack_IUnknown_Release (LPUNKNOWN iface) {
  77         ICOM_THIS_MULTI(IDirectMusicStyleTrack, UnknownVtbl, iface);
  78         ULONG ref = InterlockedDecrement(&This->ref);
  79
  80         TRACE("(%p): ReleaseRef to %d\n", This, ref);
  81
  82         if (ref == 0) {
  83                 HeapFree(GetProcessHeap(), 0, This);
  84         }
  85
  86         DMSTYLE_UnlockModule();
  87
  88         return ref;
  89 }
  90
  91 static const IUnknownVtbl DirectMusicStyleTrack_Unknown_Vtbl = {
  92         IDirectMusicStyleTrack_IUnknown_QueryInterface,
  93         IDirectMusicStyleTrack_IUnknown_AddRef,
  94         IDirectMusicStyleTrack_IUnknown_Release
  95 };
  96
  97 /* IDirectMusicStyleTrack IDirectMusicTrack8 part: */
  98 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  99         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 100         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 101 }
 102
 103 static ULONG WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
 104         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 105         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 106 }
 107
 108 static ULONG WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
 109         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 110         return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 111 }
 112
 113 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment)
 114 {
 115         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 116         FIXME("(%p, %p): stub\n", This, pSegment);
 117         return S_OK;
 118 }
 119
 120 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
 121 {
 122         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 123         FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 124         return S_OK;
 125 }
 126
 127 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 128 {
 129         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 130         FIXME("(%p, %p): stub\n", This, pStateData);
 131         return S_OK;
 132 }
 133
 134 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)
 135 {
 136         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 137         FIXME("(%p, %p, %d, %d, %d, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 138         return S_OK;
 139 }
 140
 141 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 142         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 143         FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 144         return S_OK;
 145 }
 146
 147 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 148         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 149         FIXME("(%p, %s, %d, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 150         return S_OK;
 151 }
 152
 153 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 154         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 155
 156         TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
 157
 158         if (!rguidType)
 159                 return E_POINTER;
 160
 161         if (IsEqualGUID (rguidType, &GUID_DisableTimeSig)
 162                 || IsEqualGUID (rguidType, &GUID_EnableTimeSig)
 163                 || IsEqualGUID (rguidType, &GUID_IDirectMusicStyle)
 164                 || IsEqualGUID (rguidType, &GUID_SeedVariations)
 165                 || IsEqualGUID (rguidType, &GUID_TimeSignature)) {
 166                 TRACE("param supported\n");
 167                 return S_OK;
 168         }
 169         TRACE("param unsupported\n");
 170         return DMUS_E_TYPE_UNSUPPORTED;
 171 }
 172
 173 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 174         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 175         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 176         return S_OK;
 177 }
 178
 179 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 180         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 181         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 182         return S_OK;
 183 }
 184
 185 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 186         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 187         FIXME("(%p, %d, %d, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 188         return S_OK;
 189 }
 190
 191 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) {
 192         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 193         FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
 194             wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
 195         return S_OK;
 196 }
 197
 198 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 199         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 200         FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 201             wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
 202         return S_OK;
 203 }
 204
 205 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 206         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 207         FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 208             wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
 209         return S_OK;
 210 }
 211
 212 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 213         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 214         FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 215         return S_OK;
 216 }
 217
 218 static HRESULT WINAPI IDirectMusicStyleTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 219         ICOM_THIS_MULTI(IDirectMusicStyleTrack, TrackVtbl, iface);
 220         FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 221         return S_OK;
 222 }
 223
 224 static const IDirectMusicTrack8Vtbl DirectMusicStyleTrack_Track_Vtbl = {
 225         IDirectMusicStyleTrack_IDirectMusicTrack_QueryInterface,
 226         IDirectMusicStyleTrack_IDirectMusicTrack_AddRef,
 227         IDirectMusicStyleTrack_IDirectMusicTrack_Release,
 228         IDirectMusicStyleTrack_IDirectMusicTrack_Init,
 229         IDirectMusicStyleTrack_IDirectMusicTrack_InitPlay,
 230         IDirectMusicStyleTrack_IDirectMusicTrack_EndPlay,
 231         IDirectMusicStyleTrack_IDirectMusicTrack_Play,
 232         IDirectMusicStyleTrack_IDirectMusicTrack_GetParam,
 233         IDirectMusicStyleTrack_IDirectMusicTrack_SetParam,
 234         IDirectMusicStyleTrack_IDirectMusicTrack_IsParamSupported,
 235         IDirectMusicStyleTrack_IDirectMusicTrack_AddNotificationType,
 236         IDirectMusicStyleTrack_IDirectMusicTrack_RemoveNotificationType,
 237         IDirectMusicStyleTrack_IDirectMusicTrack_Clone,
 238         IDirectMusicStyleTrack_IDirectMusicTrack_PlayEx,
 239         IDirectMusicStyleTrack_IDirectMusicTrack_GetParamEx,
 240         IDirectMusicStyleTrack_IDirectMusicTrack_SetParamEx,
 241         IDirectMusicStyleTrack_IDirectMusicTrack_Compose,
 242         IDirectMusicStyleTrack_IDirectMusicTrack_Join
 243 };
 244
 245 /* IDirectMusicStyleTrack IPersistStream part: */
 246 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 247         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 248         return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 249 }
 250
 251 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 252         ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 253         return IDirectMusicStyleTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 254 }
 255
 256 static ULONG WINAPI IDirectMusicStyleTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 257   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 258   return IDirectMusicStyleTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 259 }
 260
 261 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 262   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 263   TRACE("(%p, %p)\n", This, pClassID);
 264   *pClassID = CLSID_DirectMusicStyleTrack;
 265   return S_OK;
 266 }
 267
 268 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 269   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 270   FIXME("(%p): stub, always S_FALSE\n", This);
 271   return S_FALSE;
 272 }
 273
 274 static HRESULT IDirectMusicStyleTrack_IPersistStream_ParseStyleRef (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 275   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 276   DMUS_PRIVATE_CHUNK Chunk;
 277   DWORD ListSize[3], ListCount[3];
 278   LARGE_INTEGER liMove; /* used when skipping chunks */
 279   HRESULT hr;
 280
 281   IDirectMusicObject* pObject = NULL;
 282   LPDMUS_PRIVATE_STYLE_ITEM pNewItem = NULL;
 283
 284   if (pChunk->fccID != DMUS_FOURCC_STYLE_REF_LIST) {
 285     ERR_(dmfile)(": %s chunk should be a STYLE list\n", debugstr_fourcc (pChunk->fccID));
 286     return E_FAIL;
 287   }
 288
 289   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 290   ListCount[0] = 0;
 291
 292   do {
 293     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 294     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 295     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 296     switch (Chunk.fccID) {
 297     case DMUS_FOURCC_TIME_STAMP_CHUNK: {
 298       TRACE_(dmfile)(": Time Stamp chunk\n");
 299       pNewItem = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_STYLE_ITEM));
 300       if (NULL == pNewItem) {
 301         ERR(": no more memory\n");
 302         return  E_OUTOFMEMORY;
 303       }
 304       IStream_Read (pStm, &pNewItem->dwTimeStamp, sizeof(DWORD), NULL);
 305       TRACE_(dmfile)(" - dwTimeStamp: %u\n", pNewItem->dwTimeStamp);
 306       list_add_tail (&This->Items, &pNewItem->entry);
 307       break;
 308     }
 309     case FOURCC_LIST: {
 310       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 311       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 312       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 313       ListCount[1] = 0;
 314       switch (Chunk.fccID) {
 315         /**
 316          * should be a DMRF (DirectMusic Reference) list @TODO
 317          */
 318       case DMUS_FOURCC_REF_LIST: {
 319         FIXME_(dmfile)(": DMRF (DM References) list, not yet handled\n");
 320         hr = IDirectMusicUtils_IPersistStream_ParseReference (iface,  &Chunk, pStm, &pObject);
 321         if (FAILED(hr)) {
 322           ERR(": could not load Reference\n");
 323           return hr;
 324         }
 325         hr = IDirectMusicObject_QueryInterface(pObject, &IID_IDirectMusicStyle8, (LPVOID*)&pNewItem->pObject);
 326         if (FAILED(hr)) {
 327           ERR(": Reference not an IDirectMusicStyle, exiting\n");
 328           exit(-1);
 329           return hr;
 330         }
 331         IDirectMusicObject_Release(pObject);
 332         break;
 333       }
 334       default: {
 335         TRACE_(dmfile)(": unknown (skipping)\n");
 336         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 337         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 338         break;
 339       }
 340       }
 341       break;
 342     }
 343     default: {
 344       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 345       liMove.QuadPart = Chunk.dwSize;
 346       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 347       break;
 348     }
 349     }
 350     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 351   } while (ListCount[0] < ListSize[0]);
 352
 353   return S_OK;
 354 }
 355
 356 static HRESULT IDirectMusicStyleTrack_IPersistStream_ParseStyleTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 357
 358   /*ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);*/
 359   DMUS_PRIVATE_CHUNK Chunk;
 360   DWORD ListSize[3], ListCount[3];
 361   LARGE_INTEGER liMove; /* used when skipping chunks */
 362   HRESULT hr;
 363
 364   if (pChunk->fccID != DMUS_FOURCC_STYLE_TRACK_LIST) {
 365     ERR_(dmfile)(": %s chunk should be a STYLETRACK list\n", debugstr_fourcc (pChunk->fccID));
 366     return E_FAIL;
 367   }
 368
 369   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 370   ListCount[0] = 0;
 371
 372   do {
 373     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 374     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 375     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 376     switch (Chunk.fccID) {
 377     case FOURCC_LIST: {
 378       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 379       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 380       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 381       ListCount[1] = 0;
 382       switch (Chunk.fccID) {
 383       case DMUS_FOURCC_STYLE_REF_LIST: {
 384         TRACE_(dmfile)(": STYLE_REF list\n");
 385         hr = IDirectMusicStyleTrack_IPersistStream_ParseStyleRef (iface, &Chunk, pStm);
 386         if (FAILED(hr)) return hr;
 387         break;
 388       }
 389       default: {
 390         TRACE_(dmfile)(": unknown (skipping)\n");
 391         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 392         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 393         break;
 394       }
 395       }
 396       break;
 397     }
 398     default: {
 399       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 400       liMove.QuadPart = Chunk.dwSize;
 401       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 402       break;
 403     }
 404     }
 405     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 406   } while (ListCount[0] < ListSize[0]);
 407
 408   return S_OK;
 409 }
 410
 411 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 412   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 413
 414   DMUS_PRIVATE_CHUNK Chunk;
 415   LARGE_INTEGER liMove;
 416   HRESULT hr;
 417
 418   FIXME("(%p, %p): Loading not fully implemented yet\n", This, pStm);
 419
 420   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 421   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 422   switch (Chunk.fccID) {
 423   case FOURCC_LIST: {
 424     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 425     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 426     switch (Chunk.fccID) {
 427     case DMUS_FOURCC_STYLE_TRACK_LIST: {
 428       TRACE_(dmfile)(": Chord track list\n");
 429       hr = IDirectMusicStyleTrack_IPersistStream_ParseStyleTrackList (iface, &Chunk, pStm);
 430       if (FAILED(hr)) return hr;
 431       break;
 432     }
 433     default: {
 434       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 435       liMove.QuadPart = Chunk.dwSize;
 436       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 437       return E_FAIL;
 438     }
 439     }
 440     TRACE_(dmfile)(": reading finished\n");
 441     break;
 442   }
 443   default: {
 444     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 445     liMove.QuadPart = Chunk.dwSize;
 446     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 447     return E_FAIL;
 448   }
 449   }
 450
 451   return S_OK;
 452 }
 453
 454 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 455   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 456   FIXME("(%p): Saving not implemented yet\n", This);
 457   return E_NOTIMPL;
 458 }
 459
 460 static HRESULT WINAPI IDirectMusicStyleTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 461   ICOM_THIS_MULTI(IDirectMusicStyleTrack, PersistStreamVtbl, iface);
 462   FIXME("(%p, %p): stub\n", This, pcbSize);
 463   return E_NOTIMPL;
 464 }
 465
 466 static const IPersistStreamVtbl DirectMusicStyleTrack_PersistStream_Vtbl = {
 467   IDirectMusicStyleTrack_IPersistStream_QueryInterface,
 468   IDirectMusicStyleTrack_IPersistStream_AddRef,
 469   IDirectMusicStyleTrack_IPersistStream_Release,
 470   IDirectMusicStyleTrack_IPersistStream_GetClassID,
 471   IDirectMusicStyleTrack_IPersistStream_IsDirty,
 472   IDirectMusicStyleTrack_IPersistStream_Load,
 473   IDirectMusicStyleTrack_IPersistStream_Save,
 474   IDirectMusicStyleTrack_IPersistStream_GetSizeMax
 475 };
 476
 477 /* for ClassFactory */
 478 HRESULT WINAPI create_dmstyletrack(REFIID lpcGUID, void **ppobj)
 479 {
 480   IDirectMusicStyleTrack* track;
 481
 482   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicStyleTrack));
 483   if (NULL == track) {
 484     *ppobj = NULL;
 485     return E_OUTOFMEMORY;
 486   }
 487   track->UnknownVtbl = &DirectMusicStyleTrack_Unknown_Vtbl;
 488   track->TrackVtbl = &DirectMusicStyleTrack_Track_Vtbl;
 489   track->PersistStreamVtbl = &DirectMusicStyleTrack_PersistStream_Vtbl;
 490   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 491   DM_STRUCT_INIT(track->pDesc);
 492   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 493   track->pDesc->guidClass = CLSID_DirectMusicStyleTrack;
 494   track->ref = 0; /* will be inited by QueryInterface */
 495   list_init (&track->Items);
 496
 497   return IDirectMusicStyleTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 498 }