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
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License 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 = &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 = &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 %d\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 %d\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, %d, %d): 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, %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 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, %d, %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, %d, %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)\n", 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, %d, %d, %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, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
 179       wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
 180   return S_OK;
 181 }
 182
 183 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 184   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 185   FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 186       wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
 187   return S_OK;
 188 }
 189
 190 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 191   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 192   FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
 193       wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
 194   return S_OK;
 195 }
 196
 197 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 198   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 199   FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 200   return S_OK;
 201 }
 202
 203 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 204   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
 205   FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 206   return S_OK;
 207 }
 208
 209 static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
 210   IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
 211   IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
 212   IDirectMusicChordTrack_IDirectMusicTrack_Release,
 213   IDirectMusicChordTrack_IDirectMusicTrack_Init,
 214   IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
 215   IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
 216   IDirectMusicChordTrack_IDirectMusicTrack_Play,
 217   IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
 218   IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
 219   IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
 220   IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
 221   IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
 222   IDirectMusicChordTrack_IDirectMusicTrack_Clone,
 223   IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
 224   IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
 225   IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
 226   IDirectMusicChordTrack_IDirectMusicTrack_Compose,
 227   IDirectMusicChordTrack_IDirectMusicTrack_Join
 228 };
 229
 230 /* IDirectMusicChordTrack IPersistStream part: */
 231 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 232   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 233   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 234 }
 235
 236 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 237   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 238   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 239 }
 240
 241 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 242   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 243   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 244 }
 245
 246 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 247   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 248   TRACE("(%p, %p)\n", This, pClassID);
 249   *pClassID = CLSID_DirectMusicChordTrack;
 250   return S_OK;
 251 }
 252
 253 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 254   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 255   FIXME("(%p): stub, always S_FALSE\n", This);
 256   return S_FALSE;
 257 }
 258
 259 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 260
 261   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 262   DMUS_PRIVATE_CHUNK Chunk;
 263   DWORD ListSize[3], ListCount[3];
 264   LARGE_INTEGER liMove; /* used when skipping chunks */
 265
 266   if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
 267     ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
 268     return E_FAIL;
 269   }
 270
 271   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 272   ListCount[0] = 0;
 273
 274   do {
 275     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 276     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 277     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 278     switch (Chunk.fccID) {
 279     case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
 280       TRACE_(dmfile)(": Chord track header chunk\n");
 281       IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
 282       TRACE_(dmfile)(" - dwScale: %d\n", This->dwScale);
 283       break;
 284     }
 285     case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
 286       DWORD sz;
 287       DWORD it;
 288       DWORD num;
 289       DMUS_IO_CHORD body;
 290       DMUS_IO_SUBCHORD subchords;
 291
 292       TRACE_(dmfile)(": Chord track body chunk\n");
 293
 294       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 295       TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %d\n", sz);
 296       if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
 297       IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
 298       TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
 299       TRACE_(dmfile)(" - mtTime: %u\n", body.mtTime);
 300       TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
 301       TRACE_(dmfile)(" - bBeat:  %u\n", body.bBeat);
 302       TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
 303
 304       IStream_Read (pStm, &num, sizeof(DWORD), NULL);
 305       TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %d\n", num);
 306       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
 307       TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %d\n", sz);
 308       if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
 309
 310       for (it = 0; it < num; ++it) {
 311         IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
 312         TRACE_(dmfile)("DMUS_IO_SUBCHORD #%d\n", it+1);
 313         TRACE_(dmfile)(" - dwChordPattern: %u\n", subchords.dwChordPattern);
 314         TRACE_(dmfile)(" - dwScalePattern: %u\n", subchords.dwScalePattern);
 315         TRACE_(dmfile)(" - dwInversionPoints: %u\n", subchords.dwInversionPoints);
 316         TRACE_(dmfile)(" - dwLevels: %u\n", subchords.dwLevels);
 317         TRACE_(dmfile)(" - bChordRoot:  %u\n", subchords.bChordRoot);
 318         TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
 319       }
 320       break;
 321     }
 322     default: {
 323       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 324       liMove.QuadPart = Chunk.dwSize;
 325       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 326       break;
 327     }
 328     }
 329     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 330   } while (ListCount[0] < ListSize[0]);
 331
 332   return S_OK;
 333 }
 334
 335 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 336   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 337
 338   DMUS_PRIVATE_CHUNK Chunk;
 339   LARGE_INTEGER liMove;
 340   HRESULT hr;
 341
 342   TRACE("(%p, %p): Loading\n", This, pStm);
 343
 344   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 345   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 346   switch (Chunk.fccID) {
 347   case FOURCC_LIST: {
 348     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 349     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 350     switch (Chunk.fccID) {
 351     case DMUS_FOURCC_CHORDTRACK_LIST: {
 352       TRACE_(dmfile)(": Chord track list\n");
 353       hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
 354       if (FAILED(hr)) return hr;
 355       break;
 356     }
 357     default: {
 358       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 359       liMove.QuadPart = Chunk.dwSize;
 360       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 361       return E_FAIL;
 362     }
 363     }
 364     TRACE_(dmfile)(": reading finished\n");
 365     break;
 366   }
 367   default: {
 368     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 369     liMove.QuadPart = Chunk.dwSize;
 370     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 371     return E_FAIL;
 372   }
 373   }
 374
 375   return S_OK;
 376 }
 377
 378 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 379   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 380   FIXME("(%p): Saving not implemented yet\n", This);
 381   return E_NOTIMPL;
 382 }
 383
 384 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 385   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
 386   FIXME("(%p, %p): stub\n", This, pcbSize);
 387   return E_NOTIMPL;
 388 }
 389
 390 static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
 391   IDirectMusicChordTrack_IPersistStream_QueryInterface,
 392   IDirectMusicChordTrack_IPersistStream_AddRef,
 393   IDirectMusicChordTrack_IPersistStream_Release,
 394   IDirectMusicChordTrack_IPersistStream_GetClassID,
 395   IDirectMusicChordTrack_IPersistStream_IsDirty,
 396   IDirectMusicChordTrack_IPersistStream_Load,
 397   IDirectMusicChordTrack_IPersistStream_Save,
 398   IDirectMusicChordTrack_IPersistStream_GetSizeMax
 399 };
 400
 401 /* for ClassFactory */
 402 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 403   IDirectMusicChordTrack* track;
 404
 405   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
 406   if (NULL == track) {
 407     *ppobj = NULL;
 408     return E_OUTOFMEMORY;
 409   }
 410   track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
 411   track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
 412   track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
 413   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 414   DM_STRUCT_INIT(track->pDesc);
 415   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 416   track->pDesc->guidClass = CLSID_DirectMusicChordTrack;
 417   track->ref = 0; /* will be inited by QueryInterface */
 418
 419   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 420 }