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         ULONG ref = InterlockedIncrement(&This->ref);
  56
  57         TRACE("(%p): AddRef from %ld\n", This, ref - 1);
  58
  59         DMSTYLE_LockModule();
  60
  61         return ref;
  62 }
  63
  64 ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
  65         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
  66         ULONG ref = InterlockedDecrement(&This->ref);
  67
  68         TRACE("(%p): ReleaseRef to %ld\n", This, ref);
  69
  70         if (ref == 0) {
  71                 HeapFree(GetProcessHeap(), 0, This);
  72         }
  73
  74         DMSTYLE_UnlockModule();
  75
  76         return ref;
  77 }
  78
  79 static const IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
  80   IDirectMusicChordTrack_IUnknown_QueryInterface,
  81   IDirectMusicChordTrack_IUnknown_AddRef,
  82   IDirectMusicChordTrack_IUnknown_Release
  83 };
  84
  85 /* IDirectMusicChordTrack IDirectMusicTrack8 part: */
  86 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  87   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  88   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  89 }
  90
  91 ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
  92   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  93   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  94 }
  95
  96 ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
  97   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
  98   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  99 }
 100
 101 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
 102   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 103   FIXME("(%p, %p): stub\n", This, pSegment);
 104   return S_OK;
 105 }
 106
 107 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
 108 {
 109   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 110   FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 111   return S_OK;
 112 }
 113
 114 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 115 {
 116   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 117   FIXME("(%p, %p): stub\n", This, pStateData);
 118   return S_OK;
 119 }
 120
 121 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)
 122 {
 123   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 124   FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 125   return S_OK;
 126 }
 127
 128 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 129   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 130   FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 131   return S_OK;
 132 }
 133
 134 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 135   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 136   FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 137   return S_OK;
 138 }
 139
 140 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 141   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 142
 143   TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
 144   if (IsEqualGUID (rguidType, &GUID_BandParam)
 145       || IsEqualGUID (rguidType, &GUID_ChordParam)
 146       || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
 147     TRACE("param supported\n");
 148     return S_OK;
 149   }
 150   TRACE("param unsupported\n");
 151   return DMUS_E_TYPE_UNSUPPORTED;
 152 }
 153
 154 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 155   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 156   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 157   return S_OK;
 158 }
 159
 160 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 161   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 162   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 163   return S_OK;
 164 }
 165
 166 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 167   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 168   FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 169   return S_OK;
 170 }
 171
 172 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) {
 173   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 174   FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 175   return S_OK;
 176 }
 177
 178 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 179   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 180   FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
 181   return S_OK;
 182 }
 183
 184 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 185   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 186   FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
 187   return S_OK;
 188 }
 189
 190 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 191   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 192   FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 193   return S_OK;
 194 }
 195
 196 HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 197   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 198   FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 199   return S_OK;
 200 }
 201
 202 static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
 203   IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
 204   IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
 205   IDirectMusicChordTrack_IDirectMusicTrack_Release,
 206   IDirectMusicChordTrack_IDirectMusicTrack_Init,
 207   IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
 208   IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
 209   IDirectMusicChordTrack_IDirectMusicTrack_Play,
 210   IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
 211   IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
 212   IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
 213   IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
 214   IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
 215   IDirectMusicChordTrack_IDirectMusicTrack_Clone,
 216   IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
 217   IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
 218   IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
 219   IDirectMusicChordTrack_IDirectMusicTrack_Compose,
 220   IDirectMusicChordTrack_IDirectMusicTrack_Join
 221 };
 222
 223 /* IDirectMusicChordTrack IPersistStream part: */
 224 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 225   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 226   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 227 }
 228
 229 ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 230   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 231   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 232 }
 233
 234 ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 235   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 236   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 237 }
 238
 239 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 240   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 241   TRACE("(%p, %p)\n", This, pClassID);
 242   memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
 243   return S_OK;
 244 }
 245
 246 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 247   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 248   FIXME("(%p): stub, always S_FALSE\n", This);
 249   return S_FALSE;
 250 }
 251
 252 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 253
 254   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 255   DMUS_PRIVATE_CHUNK Chunk;
 256   DWORD ListSize[3], ListCount[3];
 257   LARGE_INTEGER liMove; /* used when skipping chunks */
 258
 259   if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
 260     ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
 261     return E_FAIL;
 262   }
 263
 264   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 265   ListCount[0] = 0;
 266
 267   do {
 268     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 269     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 270     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 271     switch (Chunk.fccID) {
 272     case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
 273       TRACE_(dmfile)(": Chord track header chunk\n");
 274       IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
 275       TRACE_(dmfile)(" - dwScale: %ld\n", This->dwScale);
 276       break;
 277     }
 278     case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
 279       DWORD sz;
 280       DWORD it;
 281       DWORD num;
 282       DMUS_IO_CHORD body;
 283       DMUS_IO_SUBCHORD subchords;
 284
 285       TRACE_(dmfile)(": Chord track body chunk\n");
 286
 287       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 288       TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %ld\n", sz);
 289       if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
 290       IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
 291       TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
 292       TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
 293       TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
 294       TRACE_(dmfile)(" - bBeat:  %u\n", body.bBeat);
 295       TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
 296
 297       IStream_Read (pStm, &num, sizeof(DWORD), NULL);
 298       TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %ld\n", num);
 299       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 300       TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %ld\n", sz);
 301       if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
 302
 303       for (it = 0; it < num; ++it) {
 304         IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
 305         TRACE_(dmfile)("DMUS_IO_SUBCHORD #%ld\n", it+1);
 306         TRACE_(dmfile)(" - dwChordPattern: %lu\n", subchords.dwChordPattern);
 307         TRACE_(dmfile)(" - dwScalePattern: %lu\n", subchords.dwScalePattern);
 308         TRACE_(dmfile)(" - dwInversionPoints: %lu\n", subchords.dwInversionPoints);
 309         TRACE_(dmfile)(" - dwLevels: %lu\n", subchords.dwLevels);
 310         TRACE_(dmfile)(" - bChordRoot:  %u\n", subchords.bChordRoot);
 311         TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
 312       }
 313       break;
 314     }
 315     default: {
 316       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 317       liMove.QuadPart = Chunk.dwSize;
 318       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 319       break;
 320     }
 321     }
 322     TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 323   } while (ListCount[0] < ListSize[0]);
 324
 325   return S_OK;
 326 }
 327
 328 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 329   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 330
 331   DMUS_PRIVATE_CHUNK Chunk;
 332   LARGE_INTEGER liMove;
 333   HRESULT hr;
 334
 335   TRACE("(%p, %p): Loading\n", This, pStm);
 336
 337   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 338   TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 339   switch (Chunk.fccID) {
 340   case FOURCC_LIST: {
 341     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 342     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 343     switch (Chunk.fccID) {
 344     case DMUS_FOURCC_CHORDTRACK_LIST: {
 345       TRACE_(dmfile)(": Chord track list\n");
 346       hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
 347       if (FAILED(hr)) return hr;
 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);
 354       return E_FAIL;
 355     }
 356     }
 357     TRACE_(dmfile)(": reading finished\n");
 358     break;
 359   }
 360   default: {
 361     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 362     liMove.QuadPart = Chunk.dwSize;
 363     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 364     return E_FAIL;
 365   }
 366   }
 367
 368   return S_OK;
 369 }
 370
 371 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 372   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 373   FIXME("(%p): Saving not implemented yet\n", This);
 374   return E_NOTIMPL;
 375 }
 376
 377 HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 378   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 379   FIXME("(%p, %p): stub\n", This, pcbSize);
 380   return E_NOTIMPL;
 381 }
 382
 383 static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
 384   IDirectMusicChordTrack_IPersistStream_QueryInterface,
 385   IDirectMusicChordTrack_IPersistStream_AddRef,
 386   IDirectMusicChordTrack_IPersistStream_Release,
 387   IDirectMusicChordTrack_IPersistStream_GetClassID,
 388   IDirectMusicChordTrack_IPersistStream_IsDirty,
 389   IDirectMusicChordTrack_IPersistStream_Load,
 390   IDirectMusicChordTrack_IPersistStream_Save,
 391   IDirectMusicChordTrack_IPersistStream_GetSizeMax
 392 };
 393
 394 /* for ClassFactory */
 395 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 396   IDirectMusicChordTrack* track;
 397
 398   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
 399   if (NULL == track) {
 400     *ppobj = NULL;
 401     return E_OUTOFMEMORY;
 402   }
 403   track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
 404   track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
 405   track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
 406   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 407   DM_STRUCT_INIT(track->pDesc);
 408   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 409   memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
 410   track->ref = 0; /* will be inited by QueryInterface */
 411
 412   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 413 }