dlls/dmstyle/chordtrack.c

   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "dmstyle_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
  24 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  25
  26 /*****************************************************************************
  27  * IDirectMusicChordTrack implementation
  28  */
  29 /* IDirectMusicChordTrack IUnknown part: */
  30 HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  31         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  32         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  33
  34         if (IsEqualIID (riid, &IID_IUnknown)) {
  35                 *ppobj = (LPUNKNOWN)&This->UnknownVtbl;
  36                 IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  37                 return S_OK;
  38         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  39           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  40                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
  41                 IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
  42                 return S_OK;
  43         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  44                 *ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
  45                 IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  46                 return S_OK;
  47         }
  48
  49         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  50         return E_NOINTERFACE;
  51 }
  52
  53 ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  54         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  55         TRACE("(%p): AddRef from %ld\n", This, This->ref);
  56         return ++(This->ref);
  57 }
  58
  59 ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
  60         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  61         ULONG ref = --This->ref;
  62         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
  63         if (ref == 0) {
  64                 HeapFree(GetProcessHeap(), 0, This);
  65         }
  66         return ref;
  67 }
  68
  69 IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
  70   IDirectMusicChordTrack_IUnknown_QueryInterface,
  71   IDirectMusicChordTrack_IUnknown_AddRef,
  72   IDirectMusicChordTrack_IUnknown_Release
  73 };
  74
  75 /* IDirectMusicChordTrack IDirectMusicTrack8 part: */
  76 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  77   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  78   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  79 }
  80
  81 ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
  82   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  83   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  84 }
  85
  86 ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
  87   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  88   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  89 }
  90
  91 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
  92   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  93   FIXME("(%p, %p): stub\n", This, pSegment);
  94   return S_OK;
  95 }
  96
  97 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
  98 {
  99   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 100   FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 101   return S_OK;
 102 }
 103
 104 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 105 {
 106   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 107   FIXME("(%p, %p): stub\n", This, pStateData);
 108   return S_OK;
 109 }
 110
 111 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)
 112 {
 113   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 114   FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 115   return S_OK;
 116 }
 117
 118 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 119   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 120   FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 121   return S_OK;
 122 }
 123
 124 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 125   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 126   FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 127   return S_OK;
 128 }
 129
 130 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 131   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 132
 133   TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
 134   if (IsEqualGUID (rguidType, &GUID_BandParam)
 135       || IsEqualGUID (rguidType, &GUID_ChordParam)
 136       || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
 137     TRACE("param supported\n");
 138     return S_OK;
 139   }
 140   TRACE("param unsupported\n");
 141   return DMUS_E_TYPE_UNSUPPORTED;
 142 }
 143
 144 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 145   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 146   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 147   return S_OK;
 148 }
 149
 150 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 151   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 152   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 153   return S_OK;
 154 }
 155
 156 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 157   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 158   FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 159   return S_OK;
 160 }
 161
 162 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) {
 163   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 164   FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 165   return S_OK;
 166 }
 167
 168 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 169   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 170   FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
 171   return S_OK;
 172 }
 173
 174 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 175   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 176   FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
 177   return S_OK;
 178 }
 179
 180 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 181   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 182   FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 183   return S_OK;
 184 }
 185
 186 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 187   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 188   FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 189   return S_OK;
 190 }
 191
 192 IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
 193   IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
 194   IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
 195   IDirectMusicChordTrack_IDirectMusicTrack_Release,
 196   IDirectMusicChordTrack_IDirectMusicTrack_Init,
 197   IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
 198   IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
 199   IDirectMusicChordTrack_IDirectMusicTrack_Play,
 200   IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
 201   IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
 202   IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
 203   IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
 204   IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
 205   IDirectMusicChordTrack_IDirectMusicTrack_Clone,
 206   IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
 207   IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
 208   IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
 209   IDirectMusicChordTrack_IDirectMusicTrack_Compose,
 210   IDirectMusicChordTrack_IDirectMusicTrack_Join
 211 };
 212
 213 /* IDirectMusicChordTrack IPersistStream part: */
 214 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 215   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 216   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 217 }
 218
 219 ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 220   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 221   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 222 }
 223
 224 ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 225   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 226   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 227 }
 228
 229 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 230   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 231   TRACE("(%p, %p)\n", This, pClassID);
 232   memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
 233   return S_OK;
 234 }
 235
 236 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 237   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 238   FIXME("(%p): stub, always S_FALSE\n", This);
 239   return S_FALSE;
 240 }
 241
 242 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 243
 244   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 245   DMUS_PRIVATE_CHUNK Chunk;
 246   DWORD ListSize[3], ListCount[3];
 247   LARGE_INTEGER liMove; /* used when skipping chunks */
 248
 249   if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
 250     ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
 251     return E_FAIL;
 252   }
 253
 254   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 255   ListCount[0] = 0;
 256
 257   do {
 258     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 259     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 260     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 261     switch (Chunk.fccID) {
 262     case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
 263       TRACE_(dmfile)(": Chord track header chunk\n");
 264       IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
 265       TRACE_(dmfile)(" - dwScale: %ld\n", This->dwScale);
 266       break;
 267     }
 268     case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
 269       DWORD sz;
 270       DWORD it;
 271       DWORD num;
 272       DMUS_IO_CHORD body;
 273       DMUS_IO_SUBCHORD subchords;
 274
 275       TRACE_(dmfile)(": Chord track body chunk\n");
 276
 277       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 278       TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %ld\n", sz);
 279       if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
 280       IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
 281       TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
 282       TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
 283       TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
 284       TRACE_(dmfile)(" - bBeat:  %u\n", body.bBeat);
 285       TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
 286
 287       IStream_Read (pStm, &num, sizeof(DWORD), NULL);
 288       TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %ld\n", num);
 289       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 290       TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %ld\n", sz);
 291       if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
 292
 293       for (it = 0; it < num; ++it) {
 294         IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
 295         TRACE_(dmfile)("DMUS_IO_SUBCHORD #%ld\n", it+1);
 296         TRACE_(dmfile)(" - dwChordPattern: %lu\n", subchords.dwChordPattern);
 297         TRACE_(dmfile)(" - dwScalePattern: %lu\n", subchords.dwScalePattern);
 298         TRACE_(dmfile)(" - dwInversionPoints: %lu\n", subchords.dwInversionPoints);
 299         TRACE_(dmfile)(" - dwLevels: %lu\n", subchords.dwLevels);
 300         TRACE_(dmfile)(" - bChordRoot:  %u\n", subchords.bChordRoot);
 301         TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
 302       }
 303       break;
 304     }
 305     default: {
 306       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 307       liMove.QuadPart = Chunk.dwSize;
 308       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 309       break;
 310     }
 311     }
 312     TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 313   } while (ListCount[0] < ListSize[0]);
 314
 315   return S_OK;
 316 }
 317
 318 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 319   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 320
 321   DMUS_PRIVATE_CHUNK Chunk;
 322   LARGE_INTEGER liMove;
 323   HRESULT hr;
 324
 325   TRACE("(%p, %p): Loading\n", This, pStm);
 326
 327   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 328   TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 329   switch (Chunk.fccID) {
 330   case FOURCC_LIST: {
 331     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 332     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 333     switch (Chunk.fccID) {
 334     case DMUS_FOURCC_CHORDTRACK_LIST: {
 335       TRACE_(dmfile)(": Chord track list\n");
 336       hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
 337       if (FAILED(hr)) return hr;
 338       break;
 339     }
 340     default: {
 341       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 342       liMove.QuadPart = Chunk.dwSize;
 343       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 344       return E_FAIL;
 345     }
 346     }
 347     TRACE_(dmfile)(": reading finished\n");
 348     break;
 349   }
 350   default: {
 351     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 352     liMove.QuadPart = Chunk.dwSize;
 353     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 354     return E_FAIL;
 355   }
 356   }
 357
 358   return S_OK;
 359 }
 360
 361 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 362   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 363   FIXME("(%p): Saving not implemented yet\n", This);
 364   return E_NOTIMPL;
 365 }
 366
 367 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 368   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 369   FIXME("(%p, %p): stub\n", This, pcbSize);
 370   return E_NOTIMPL;
 371 }
 372
 373 IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
 374   IDirectMusicChordTrack_IPersistStream_QueryInterface,
 375   IDirectMusicChordTrack_IPersistStream_AddRef,
 376   IDirectMusicChordTrack_IPersistStream_Release,
 377   IDirectMusicChordTrack_IPersistStream_GetClassID,
 378   IDirectMusicChordTrack_IPersistStream_IsDirty,
 379   IDirectMusicChordTrack_IPersistStream_Load,
 380   IDirectMusicChordTrack_IPersistStream_Save,
 381   IDirectMusicChordTrack_IPersistStream_GetSizeMax
 382 };
 383
 384 /* for ClassFactory */
 385 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 386   IDirectMusicChordTrack* track;
 387
 388   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
 389   if (NULL == track) {
 390     *ppobj = (LPVOID) NULL;
 391     return E_OUTOFMEMORY;
 392   }
 393   track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
 394   track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
 395   track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
 396   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 397   DM_STRUCT_INIT(track->pDesc);
 398   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 399   memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
 400   track->ref = 0; /* will be inited by QueryInterface */
 401
 402   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 403 }