dlls/dmband/bandtrack.c

   1 /* IDirectMusicBandTrack Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (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
  13  * GNU Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "dmband_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmband);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 /*****************************************************************************
  26  * IDirectMusicBandTrack implementation
  27  */
  28 /* IDirectMusicBandTrack IUnknown part: */
  29 static HRESULT WINAPI IDirectMusicBandTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  30         ICOM_THIS_MULTI(IDirectMusicBandTrack, UnknownVtbl, iface);
  31         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  32
  33         if (IsEqualIID (riid, &IID_IUnknown)) {
  34                 *ppobj = (LPUNKNOWN)&This->UnknownVtbl;
  35                 IUnknown_AddRef (iface);
  36                 return S_OK;
  37         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  38           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  39                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
  40                 IUnknown_AddRef (iface);
  41                 return S_OK;
  42         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  43                 *ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
  44                 IUnknown_AddRef (iface);
  45                 return S_OK;
  46         }
  47
  48         WARN("(%p, %s,%p): not found\n", This, debugstr_dmguid(riid), ppobj);
  49         return E_NOINTERFACE;
  50 }
  51
  52 static ULONG WINAPI IDirectMusicBandTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  53   ICOM_THIS_MULTI(IDirectMusicBandTrack, UnknownVtbl, iface);
  54   ULONG ref = InterlockedIncrement(&This->ref);
  55
  56   TRACE("(%p) : AddRef from %ld\n", This, ref - 1);
  57
  58   DMBAND_LockModule();
  59
  60   return ref;
  61 }
  62
  63 static ULONG WINAPI IDirectMusicBandTrack_IUnknown_Release (LPUNKNOWN iface) {
  64   ICOM_THIS_MULTI(IDirectMusicBandTrack, UnknownVtbl, iface);
  65   ULONG ref = InterlockedDecrement(&This->ref);
  66
  67   TRACE("(%p) : ReleaseRef to %ld\n", This, ref);
  68
  69   if (ref == 0) {
  70     HeapFree(GetProcessHeap(), 0, This);
  71   }
  72
  73   DMBAND_UnlockModule();
  74
  75   return ref;
  76 }
  77
  78 static const IUnknownVtbl DirectMusicBandTrack_Unknown_Vtbl = {
  79   IDirectMusicBandTrack_IUnknown_QueryInterface,
  80   IDirectMusicBandTrack_IUnknown_AddRef,
  81   IDirectMusicBandTrack_IUnknown_Release
  82 };
  83
  84 /* IDirectMusicBandTrack IDirectMusicTrack8 part: */
  85 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  86   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
  87   return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  88 }
  89
  90 static ULONG WINAPI IDirectMusicBandTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
  91   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
  92   return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  93 }
  94
  95 static ULONG WINAPI IDirectMusicBandTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
  96   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
  97   return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  98 }
  99
 100 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
 101   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 102   FIXME("(%p, %p): stub\n", This, pSegment);
 103   return S_OK;
 104 }
 105
 106 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags) {
 107   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 108   FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 109   return S_OK;
 110 }
 111
 112 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData) {
 113   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 114   FIXME("(%p, %p): stub\n", This, pStateData);
 115   return S_OK;
 116 }
 117
 118 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
 119   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 120
 121   FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): semi-stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 122   /* Sends following pMSG:
 123      - DMUS_PATCH_PMSG
 124      - DMUS_TRANSPOSE_PMSG
 125      - DMUS_CHANNEL_PRIORITY_PMSG
 126      - DMUS_MIDI_PMSG
 127   */
 128
 129   return S_OK;
 130 }
 131
 132 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 133   ICOM_THIS_MULTI(IDirectMusicBandTrack, 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 IDirectMusicBandTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 139   ICOM_THIS_MULTI(IDirectMusicBandTrack, 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 IDirectMusicBandTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 145   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 146
 147   TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
 148   if (IsEqualGUID (rguidType, &GUID_BandParam)
 149       || IsEqualGUID (rguidType, &GUID_Clear_All_Bands)
 150       || IsEqualGUID (rguidType, &GUID_ConnectToDLSCollection)
 151       || IsEqualGUID (rguidType, &GUID_Disable_Auto_Download)
 152       || IsEqualGUID (rguidType, &GUID_Download)
 153       || IsEqualGUID (rguidType, &GUID_DownloadToAudioPath)
 154       || IsEqualGUID (rguidType, &GUID_Enable_Auto_Download)
 155       || IsEqualGUID (rguidType, &GUID_IDirectMusicBand)
 156       || IsEqualGUID (rguidType, &GUID_StandardMIDIFile)
 157       || IsEqualGUID (rguidType, &GUID_Unload)
 158       || IsEqualGUID (rguidType, &GUID_UnloadFromAudioPath)) {
 159     TRACE("param supported\n");
 160     return S_OK;
 161   }
 162
 163   TRACE("param unsupported\n");
 164   return DMUS_E_TYPE_UNSUPPORTED;
 165 }
 166
 167 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 168   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 169   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 170   return S_OK;
 171 }
 172
 173 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 174   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 175   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 176   return S_OK;
 177 }
 178
 179 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 180   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 181   FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 182   return S_OK;
 183 }
 184
 185 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
 186   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 187   FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 188   return S_OK;
 189 }
 190
 191 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 192   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 193   FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
 194   return S_OK;
 195 }
 196
 197 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 198   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 199   FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
 200   return S_OK;
 201 }
 202
 203 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 204   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 205   FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 206   return S_OK;
 207 }
 208
 209 static HRESULT WINAPI IDirectMusicBandTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 210   ICOM_THIS_MULTI(IDirectMusicBandTrack, TrackVtbl, iface);
 211   FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 212   return S_OK;
 213 }
 214
 215 static const IDirectMusicTrack8Vtbl DirectMusicBandTrack_DirectMusicTrack_Vtbl = {
 216   IDirectMusicBandTrack_IDirectMusicTrack_QueryInterface,
 217   IDirectMusicBandTrack_IDirectMusicTrack_AddRef,
 218   IDirectMusicBandTrack_IDirectMusicTrack_Release,
 219   IDirectMusicBandTrack_IDirectMusicTrack_Init,
 220   IDirectMusicBandTrack_IDirectMusicTrack_InitPlay,
 221   IDirectMusicBandTrack_IDirectMusicTrack_EndPlay,
 222   IDirectMusicBandTrack_IDirectMusicTrack_Play,
 223   IDirectMusicBandTrack_IDirectMusicTrack_GetParam,
 224   IDirectMusicBandTrack_IDirectMusicTrack_SetParam,
 225   IDirectMusicBandTrack_IDirectMusicTrack_IsParamSupported,
 226   IDirectMusicBandTrack_IDirectMusicTrack_AddNotificationType,
 227   IDirectMusicBandTrack_IDirectMusicTrack_RemoveNotificationType,
 228   IDirectMusicBandTrack_IDirectMusicTrack_Clone,
 229   IDirectMusicBandTrack_IDirectMusicTrack_PlayEx,
 230   IDirectMusicBandTrack_IDirectMusicTrack_GetParamEx,
 231   IDirectMusicBandTrack_IDirectMusicTrack_SetParamEx,
 232   IDirectMusicBandTrack_IDirectMusicTrack_Compose,
 233   IDirectMusicBandTrack_IDirectMusicTrack_Join
 234 };
 235
 236 /* IDirectMusicBandTrack IPersistStream part: */
 237 static HRESULT WINAPI IDirectMusicBandTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 238   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 239   return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 240 }
 241
 242 static ULONG WINAPI IDirectMusicBandTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 243   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 244   return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 245 }
 246
 247 static ULONG WINAPI IDirectMusicBandTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 248   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 249   return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 250 }
 251
 252 static HRESULT WINAPI IDirectMusicBandTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 253   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 254   TRACE("(%p, %p)\n", This, pClassID);
 255   memcpy(pClassID, &CLSID_DirectMusicBandTrack, sizeof(CLSID));
 256   return S_OK;
 257 }
 258
 259 static HRESULT WINAPI IDirectMusicBandTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 260   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 261   FIXME("(%p): stub, always S_FALSE\n", This);
 262   return S_FALSE;
 263 }
 264
 265 static HRESULT IDirectMusicBandTrack_IPersistStream_LoadBand (LPPERSISTSTREAM iface, IStream* pClonedStream, IDirectMusicBand** ppBand,
 266                                                               DMUS_PRIVATE_BAND_ITEM_HEADER* pHeader) {
 267
 268   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 269   HRESULT hr = E_FAIL;
 270   IPersistStream* pPersistStream = NULL;
 271
 272   hr = CoCreateInstance (&CLSID_DirectMusicBand, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicBand, (LPVOID*) ppBand);
 273   if (FAILED(hr)) {
 274     ERR(": could not create object\n");
 275     return hr;
 276   }
 277   /* acquire PersistStream interface */
 278   hr = IDirectMusicBand_QueryInterface (*ppBand, &IID_IPersistStream, (LPVOID*) &pPersistStream);
 279   if (FAILED(hr)) {
 280     ERR(": could not acquire IPersistStream\n");
 281     return hr;
 282   }
 283   /* load */
 284   hr = IPersistStream_Load (pPersistStream, pClonedStream);
 285   if (FAILED(hr)) {
 286     ERR(": failed to load object\n");
 287     return hr;
 288   }
 289
 290   /* release all loading-related stuff */
 291   IPersistStream_Release (pPersistStream);
 292
 293   /*
 294    * @TODO insert pBand into This
 295    */
 296   if (SUCCEEDED(hr)) {
 297     LPDMUS_PRIVATE_BAND pNewBand = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_BAND));
 298     if (NULL == pNewBand) {
 299       ERR(": no more memory\n");
 300       return  E_OUTOFMEMORY;
 301     }
 302     memcpy(&pNewBand->pBandHeader, pHeader, sizeof(DMUS_PRIVATE_BAND_ITEM_HEADER));
 303     pNewBand->ppBand = (IDirectMusicBandImpl*)((char*)(*ppBand) - offsetof(IDirectMusicBandImpl,BandVtbl));
 304     IDirectMusicBand_AddRef(*ppBand);
 305     list_add_tail (&This->Bands, &pNewBand->entry);
 306   }
 307
 308   return S_OK;
 309 }
 310
 311 static HRESULT IDirectMusicBandTrack_IPersistStream_ParseBandsList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 312
 313   /*ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);*/
 314   HRESULT hr = E_FAIL;
 315   DMUS_PRIVATE_CHUNK Chunk;
 316   DWORD StreamSize, ListSize[3], ListCount[3];
 317   LARGE_INTEGER liMove; /* used when skipping chunks */
 318
 319   IDirectMusicBand* pBand = NULL;
 320   DMUS_PRIVATE_BAND_ITEM_HEADER header;
 321
 322   if (pChunk->fccID != DMUS_FOURCC_BANDS_LIST) {
 323     ERR_(dmfile)(": %s chunk should be a BANDS list\n", debugstr_fourcc (pChunk->fccID));
 324     return E_FAIL;
 325   }
 326
 327   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 328   ListCount[0] = 0;
 329
 330   do {
 331     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 332     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 333     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 334     switch (Chunk.fccID) {
 335     case FOURCC_LIST: {
 336       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 337       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 338       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 339       ListCount[1] = 0;
 340       do {
 341         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 342         ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 343         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 344         switch (Chunk.fccID) {
 345         case DMUS_FOURCC_BANDITEM_CHUNK: {
 346           DMUS_IO_BAND_ITEM_HEADER tmp_header;
 347           TRACE_(dmfile)(": Band Item chunk v1\n");
 348
 349           IStream_Read (pStm, &tmp_header, sizeof(DMUS_IO_BAND_ITEM_HEADER), NULL);
 350           TRACE_(dmfile)(" - lBandTime: %lu\n", tmp_header.lBandTime);
 351
 352           header.dwVersion = 1;
 353           header.lBandTime = tmp_header.lBandTime;
 354           break;
 355         }
 356         case DMUS_FOURCC_BANDITEM_CHUNK2: {
 357           DMUS_IO_BAND_ITEM_HEADER2 tmp_header2;
 358           TRACE_(dmfile)(": Band Item chunk v2\n");
 359
 360           IStream_Read (pStm, &tmp_header2, sizeof(DMUS_IO_BAND_ITEM_HEADER2), NULL);
 361           TRACE_(dmfile)(" - lBandTimeLogical: %lu\n", tmp_header2.lBandTimeLogical);
 362           TRACE_(dmfile)(" - lBandTimePhysical: %lu\n", tmp_header2.lBandTimePhysical);
 363
 364           header.dwVersion = 2;
 365           header.lBandTimeLogical = tmp_header2.lBandTimeLogical;
 366           header.lBandTimePhysical = tmp_header2.lBandTimePhysical;
 367           break;
 368         }
 369         case FOURCC_RIFF: {
 370           IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 371           TRACE_(dmfile)(": RIFF chunk of type %s\n", debugstr_fourcc(Chunk.fccID));
 372           StreamSize = Chunk.dwSize - sizeof(FOURCC);
 373           switch (Chunk.fccID) {
 374           case DMUS_FOURCC_BAND_FORM: {
 375             LPSTREAM pClonedStream = NULL;
 376             TRACE_(dmfile)(": BAND RIFF\n");
 377
 378             IStream_Clone (pStm, &pClonedStream);
 379
 380             liMove.QuadPart = 0;
 381             liMove.QuadPart -= sizeof(FOURCC) + (sizeof(FOURCC)+sizeof(DWORD));
 382             IStream_Seek (pClonedStream, liMove, STREAM_SEEK_CUR, NULL);
 383
 384             hr = IDirectMusicBandTrack_IPersistStream_LoadBand (iface, pClonedStream, &pBand, &header);
 385             if (FAILED(hr)) {
 386               ERR(": could not load track\n");
 387               return hr;
 388             }
 389             IStream_Release (pClonedStream);
 390
 391             IDirectMusicTrack_Release(pBand); pBand = NULL; /* now we can release at as it inserted */
 392
 393             /** now safe move the cursor */
 394             liMove.QuadPart = StreamSize;
 395             IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 396             break;
 397           }
 398           default: {
 399             TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 400             liMove.QuadPart = StreamSize;
 401             IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 402             break;
 403           }
 404           }
 405           break;
 406         }
 407         default: {
 408           TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 409           liMove.QuadPart = Chunk.dwSize;
 410           IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 411           break;
 412          }
 413         }
 414         TRACE_(dmfile)(": ListCount[1] = %ld < ListSize[1] = %ld\n", ListCount[1], ListSize[1]);
 415       } while (ListCount[1] < ListSize[1]);
 416       break;
 417     }
 418     default: {
 419       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 420       liMove.QuadPart = Chunk.dwSize;
 421       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 422       break;
 423     }
 424     }
 425     TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 426   } while (ListCount[0] < ListSize[0]);
 427
 428   return S_OK;
 429 }
 430
 431 static HRESULT IDirectMusicBandTrack_IPersistStream_ParseBandTrackForm (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 432
 433   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 434   HRESULT hr = E_FAIL;
 435   DMUS_PRIVATE_CHUNK Chunk;
 436   DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 437   LARGE_INTEGER liMove; /* used when skipping chunks */
 438
 439   if (pChunk->fccID != DMUS_FOURCC_BANDTRACK_FORM) {
 440     ERR_(dmfile)(": %s chunk should be a BANDTRACK form\n", debugstr_fourcc (pChunk->fccID));
 441     return E_FAIL;
 442   }
 443
 444   StreamSize = pChunk->dwSize - sizeof(FOURCC);
 445   StreamCount = 0;
 446
 447   do {
 448     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 449     StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 450     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 451
 452     hr = IDirectMusicUtils_IPersistStream_ParseDescGeneric(&Chunk, pStm, This->pDesc);
 453     if (FAILED(hr)) return hr;
 454
 455     if (hr == S_FALSE) {
 456       switch (Chunk.fccID) {
 457       case DMUS_FOURCC_BANDTRACK_CHUNK: {
 458         TRACE_(dmfile)(": BandTrack chunk\n");
 459         IStream_Read (pStm, &This->header, sizeof(DMUS_IO_BAND_TRACK_HEADER), NULL);
 460         TRACE_(dmfile)(" - bAutoDownload: %u\n", This->header.bAutoDownload);
 461         break;
 462       }
 463       case FOURCC_LIST: {
 464         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 465         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 466         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 467         ListCount[0] = 0;
 468         switch (Chunk.fccID) {
 469         case DMUS_FOURCC_UNFO_LIST: {
 470           TRACE_(dmfile)(": UNFO list\n");
 471           do {
 472             IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 473             ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 474             TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 475
 476             hr = IDirectMusicUtils_IPersistStream_ParseUNFOGeneric(&Chunk, pStm, This->pDesc);
 477             if (FAILED(hr)) return hr;
 478
 479             if (hr == S_FALSE) {
 480               switch (Chunk.fccID) {
 481               default: {
 482                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 483                 liMove.QuadPart = Chunk.dwSize;
 484                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 485                 break;
 486               }
 487               }
 488             }
 489             TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 490           } while (ListCount[0] < ListSize[0]);
 491           break;
 492         }
 493         case DMUS_FOURCC_BANDS_LIST: {
 494           TRACE_(dmfile)(": TRACK list\n");
 495           hr = IDirectMusicBandTrack_IPersistStream_ParseBandsList (iface, &Chunk, pStm);
 496           if (FAILED(hr)) return hr;
 497           break;
 498         }
 499         default: {
 500           TRACE_(dmfile)(": unknown (skipping)\n");
 501           liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 502           IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 503           break;
 504         }
 505         }
 506         break;
 507       }
 508       default: {
 509         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 510         liMove.QuadPart = Chunk.dwSize;
 511         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 512         break;
 513       }
 514       }
 515     }
 516     TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 517   } while (StreamCount < StreamSize);
 518
 519   return S_OK;
 520 }
 521
 522
 523 static HRESULT WINAPI IDirectMusicBandTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 524   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 525
 526   DMUS_PRIVATE_CHUNK Chunk;
 527   LARGE_INTEGER liMove;
 528   HRESULT hr;
 529
 530   TRACE("(%p, %p): Loading\n", This, pStm);
 531
 532   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 533   TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 534   switch (Chunk.fccID) {
 535   case FOURCC_RIFF: {
 536     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 537     TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 538     switch (Chunk.fccID) {
 539     case DMUS_FOURCC_BANDTRACK_FORM: {
 540       TRACE_(dmfile)(": Band track form\n");
 541       hr = IDirectMusicBandTrack_IPersistStream_ParseBandTrackForm (iface, &Chunk, pStm);
 542       if (FAILED(hr)) return hr;
 543       break;
 544     }
 545     default: {
 546       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 547       liMove.QuadPart = Chunk.dwSize;
 548       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 549       return E_FAIL;
 550     }
 551     }
 552     TRACE_(dmfile)(": reading finished\n");
 553     break;
 554   }
 555   default: {
 556     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 557     liMove.QuadPart = Chunk.dwSize;
 558     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 559     return E_FAIL;
 560   }
 561   }
 562
 563   return S_OK;
 564 }
 565
 566 static HRESULT WINAPI IDirectMusicBandTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 567   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 568   FIXME("(%p): Saving not implemented yet\n", This);
 569   return E_NOTIMPL;
 570 }
 571
 572 static HRESULT WINAPI IDirectMusicBandTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 573   ICOM_THIS_MULTI(IDirectMusicBandTrack, PersistStreamVtbl, iface);
 574   FIXME("(%p, %p): stub\n", This, pcbSize);
 575   return E_NOTIMPL;
 576 }
 577
 578 static const IPersistStreamVtbl DirectMusicBandTrack_PerststStream_Vtbl = {
 579   IDirectMusicBandTrack_IPersistStream_QueryInterface,
 580   IDirectMusicBandTrack_IPersistStream_AddRef,
 581   IDirectMusicBandTrack_IPersistStream_Release,
 582   IDirectMusicBandTrack_IPersistStream_GetClassID,
 583   IDirectMusicBandTrack_IPersistStream_IsDirty,
 584   IDirectMusicBandTrack_IPersistStream_Load,
 585   IDirectMusicBandTrack_IPersistStream_Save,
 586   IDirectMusicBandTrack_IPersistStream_GetSizeMax
 587 };
 588
 589 /* for ClassFactory */
 590 HRESULT WINAPI DMUSIC_CreateDirectMusicBandTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 591   IDirectMusicBandTrack* track;
 592
 593   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBandTrack));
 594   if (NULL == track) {
 595     *ppobj = NULL;
 596     return E_OUTOFMEMORY;
 597   }
 598   track->UnknownVtbl = &DirectMusicBandTrack_Unknown_Vtbl;
 599   track->TrackVtbl = &DirectMusicBandTrack_DirectMusicTrack_Vtbl;
 600   track->PersistStreamVtbl = &DirectMusicBandTrack_PerststStream_Vtbl;
 601   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 602   DM_STRUCT_INIT(track->pDesc);
 603   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 604   memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicBandTrack, sizeof (CLSID));
 605   track->ref = 0; /* will be inited by QueryInterface */
 606   list_init (&track->Bands);
 607
 608   return IDirectMusicBandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 609 }