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   1 /* IDirectMusicChordTrack Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  * Copyright (C) 2003-2004 Raphael Junqueira
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 #include "dmstyle_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
  24 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  25
  26 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface);
  27 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface);
  28 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);
  29
  30 /*****************************************************************************
  31  * IDirectMusicChordTrack implementation
  32  */
  33 /* IDirectMusicChordTrack IUnknown part: */
  34 static HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  35         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  36         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  37
  38         if (IsEqualIID (riid, &IID_IUnknown)) {
  39                 *ppobj = (LPUNKNOWN)&This->UnknownVtbl;
  40                 IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  41                 return S_OK;
  42         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  43           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  44                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
  45                 IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
  46                 return S_OK;
  47         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  48                 *ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
  49                 IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  50                 return S_OK;
  51         }
  52
  53         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  54         return E_NOINTERFACE;
  55 }
  56
  57 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  58         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  59         ULONG ref = InterlockedIncrement(&This->ref);
  60
  61         TRACE("(%p): AddRef from %ld\n", This, ref - 1);
  62
  63         DMSTYLE_LockModule();
  64
  65         return ref;
  66 }
  67
  68 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
  69         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  70         ULONG ref = InterlockedDecrement(&This->ref);
  71
  72         TRACE("(%p): ReleaseRef to %ld\n", This, ref);
  73
  74         if (ref == 0) {
  75                 HeapFree(GetProcessHeap(), 0, This);
  76         }
  77
  78         DMSTYLE_UnlockModule();
  79
  80         return ref;
  81 }
  82
  83 static const IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
  84   IDirectMusicChordTrack_IUnknown_QueryInterface,
  85   IDirectMusicChordTrack_IUnknown_AddRef,
  86   IDirectMusicChordTrack_IUnknown_Release
  87 };
  88
  89 /* IDirectMusicChordTrack IDirectMusicTrack8 part: */
  90 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  91   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  92   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  93 }
  94
  95 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
  96   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  97   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  98 }
  99
 100 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
 101   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 102   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 103 }
 104
 105 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
 106   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 107   FIXME("(%p, %p): stub\n", This, pSegment);
 108   return S_OK;
 109 }
 110
 111 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
 112 {
 113   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 114   FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 115   return S_OK;
 116 }
 117
 118 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 119 {
 120   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 121   FIXME("(%p, %p): stub\n", This, pStateData);
 122   return S_OK;
 123 }
 124
 125 static HRESULT WINAPI IDirectMusicChordTrack_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(IDirectMusicChordTrack, TrackVtbl, iface);
 128   FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 129   return S_OK;
 130 }
 131
 132 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 133   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 134   FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 135   return S_OK;
 136 }
 137
 138 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 139   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 140   FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 141   return S_OK;
 142 }
 143
 144 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 145   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 146
 147   TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
 148   if (IsEqualGUID (rguidType, &GUID_BandParam)
 149       || IsEqualGUID (rguidType, &GUID_ChordParam)
 150       || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
 151     TRACE("param supported\n");
 152     return S_OK;
 153   }
 154   TRACE("param unsupported\n");
 155   return DMUS_E_TYPE_UNSUPPORTED;
 156 }
 157
 158 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 159   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 160   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 161   return S_OK;
 162 }
 163
 164 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 165   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 166   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 167   return S_OK;
 168 }
 169
 170 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 171   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 172   FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 173   return S_OK;
 174 }
 175
 176 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
 177   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 178   FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 179   return S_OK;
 180 }
 181
 182 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 183   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 184   FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
 185   return S_OK;
 186 }
 187
 188 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 189   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 190   FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
 191   return S_OK;
 192 }
 193
 194 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 195   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 196   FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 197   return S_OK;
 198 }
 199
 200 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 201   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 202   FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 203   return S_OK;
 204 }
 205
 206 static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
 207   IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
 208   IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
 209   IDirectMusicChordTrack_IDirectMusicTrack_Release,
 210   IDirectMusicChordTrack_IDirectMusicTrack_Init,
 211   IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
 212   IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
 213   IDirectMusicChordTrack_IDirectMusicTrack_Play,
 214   IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
 215   IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
 216   IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
 217   IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
 218   IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
 219   IDirectMusicChordTrack_IDirectMusicTrack_Clone,
 220   IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
 221   IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
 222   IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
 223   IDirectMusicChordTrack_IDirectMusicTrack_Compose,
 224   IDirectMusicChordTrack_IDirectMusicTrack_Join
 225 };
 226
 227 /* IDirectMusicChordTrack IPersistStream part: */
 228 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 229   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 230   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 231 }
 232
 233 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 234   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 235   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 236 }
 237
 238 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 239   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 240   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 241 }
 242
 243 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 244   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 245   TRACE("(%p, %p)\n", This, pClassID);
 246   memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
 247   return S_OK;
 248 }
 249
 250 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 251   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 252   FIXME("(%p): stub, always S_FALSE\n", This);
 253   return S_FALSE;
 254 }
 255
 256 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 257
 258   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 259   DMUS_PRIVATE_CHUNK Chunk;
 260   DWORD ListSize[3], ListCount[3];
 261   LARGE_INTEGER liMove; /* used when skipping chunks */
 262
 263   if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
 264     ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
 265     return E_FAIL;
 266   }
 267
 268   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 269   ListCount[0] = 0;
 270
 271   do {
 272     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 273     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 274     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 275     switch (Chunk.fccID) {
 276     case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
 277       TRACE_(dmfile)(": Chord track header chunk\n");
 278       IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
 279       TRACE_(dmfile)(" - dwScale: %ld\n", This->dwScale);
 280       break;
 281     }
 282     case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
 283       DWORD sz;
 284       DWORD it;
 285       DWORD num;
 286       DMUS_IO_CHORD body;
 287       DMUS_IO_SUBCHORD subchords;
 288
 289       TRACE_(dmfile)(": Chord track body chunk\n");
 290
 291       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 292       TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %ld\n", sz);
 293       if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
 294       IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
 295       TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
 296       TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
 297       TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
 298       TRACE_(dmfile)(" - bBeat:  %u\n", body.bBeat);
 299       TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
 300
 301       IStream_Read (pStm, &num, sizeof(DWORD), NULL);
 302       TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %ld\n", num);
 303       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 304       TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %ld\n", sz);
 305       if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
 306
 307       for (it = 0; it < num; ++it) {
 308         IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
 309         TRACE_(dmfile)("DMUS_IO_SUBCHORD #%ld\n", it+1);
 310         TRACE_(dmfile)(" - dwChordPattern: %lu\n", subchords.dwChordPattern);
 311         TRACE_(dmfile)(" - dwScalePattern: %lu\n", subchords.dwScalePattern);
 312         TRACE_(dmfile)(" - dwInversionPoints: %lu\n", subchords.dwInversionPoints);
 313         TRACE_(dmfile)(" - dwLevels: %lu\n", subchords.dwLevels);
 314         TRACE_(dmfile)(" - bChordRoot:  %u\n", subchords.bChordRoot);
 315         TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
 316       }
 317       break;
 318     }
 319     default: {
 320       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 321       liMove.QuadPart = Chunk.dwSize;
 322       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 323       break;
 324     }
 325     }
 326     TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 327   } while (ListCount[0] < ListSize[0]);
 328
 329   return S_OK;
 330 }
 331
 332 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 333   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 334
 335   DMUS_PRIVATE_CHUNK Chunk;
 336   LARGE_INTEGER liMove;
 337   HRESULT hr;
 338
 339   TRACE("(%p, %p): Loading\n", This, pStm);
 340
 341   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 342   TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 343   switch (Chunk.fccID) {
 344   case FOURCC_LIST: {
 345     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 346     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 347     switch (Chunk.fccID) {
 348     case DMUS_FOURCC_CHORDTRACK_LIST: {
 349       TRACE_(dmfile)(": Chord track list\n");
 350       hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
 351       if (FAILED(hr)) return hr;
 352       break;
 353     }
 354     default: {
 355       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 356       liMove.QuadPart = Chunk.dwSize;
 357       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 358       return E_FAIL;
 359     }
 360     }
 361     TRACE_(dmfile)(": reading finished\n");
 362     break;
 363   }
 364   default: {
 365     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 366     liMove.QuadPart = Chunk.dwSize;
 367     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 368     return E_FAIL;
 369   }
 370   }
 371
 372   return S_OK;
 373 }
 374
 375 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 376   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 377   FIXME("(%p): Saving not implemented yet\n", This);
 378   return E_NOTIMPL;
 379 }
 380
 381 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 382   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 383   FIXME("(%p, %p): stub\n", This, pcbSize);
 384   return E_NOTIMPL;
 385 }
 386
 387 static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
 388   IDirectMusicChordTrack_IPersistStream_QueryInterface,
 389   IDirectMusicChordTrack_IPersistStream_AddRef,
 390   IDirectMusicChordTrack_IPersistStream_Release,
 391   IDirectMusicChordTrack_IPersistStream_GetClassID,
 392   IDirectMusicChordTrack_IPersistStream_IsDirty,
 393   IDirectMusicChordTrack_IPersistStream_Load,
 394   IDirectMusicChordTrack_IPersistStream_Save,
 395   IDirectMusicChordTrack_IPersistStream_GetSizeMax
 396 };
 397
 398 /* for ClassFactory */
 399 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 400   IDirectMusicChordTrack* track;
 401
 402   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
 403   if (NULL == track) {
 404     *ppobj = NULL;
 405     return E_OUTOFMEMORY;
 406   }
 407   track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
 408   track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
 409   track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
 410   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 411   DM_STRUCT_INIT(track->pDesc);
 412   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 413   memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
 414   track->ref = 0; /* will be inited by QueryInterface */
 415
 416   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 417 }