dlls/dmband/band.c

   1 /* IDirectMusicBand Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (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 GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "dmband_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmband);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25
  26 /*****************************************************************************
  27  * IDirectMusicBandImpl implementation
  28  */
  29 typedef struct IDirectMusicBandImpl {
  30     IDirectMusicBand IDirectMusicBand_iface;
  31     const IDirectMusicObjectVtbl *ObjectVtbl;
  32     const IPersistStreamVtbl *PersistStreamVtbl;
  33     LONG ref;
  34     DMUS_OBJECTDESC *pDesc;
  35     struct list Instruments;
  36 } IDirectMusicBandImpl;
  37
  38 static inline IDirectMusicBandImpl *impl_from_IDirectMusicBand(IDirectMusicBand *iface)
  39 {
  40     return CONTAINING_RECORD(iface, IDirectMusicBandImpl, IDirectMusicBand_iface);
  41 }
  42
  43 /* DirectMusicBandImpl IDirectMusicBand part: */
  44 static HRESULT WINAPI IDirectMusicBandImpl_QueryInterface(IDirectMusicBand *iface, REFIID riid,
  45         void **ret_iface)
  46 {
  47     IDirectMusicBandImpl *This = impl_from_IDirectMusicBand(iface);
  48
  49     TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
  50
  51     *ret_iface = NULL;
  52
  53     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectMusicBand))
  54         *ret_iface = iface;
  55     else if (IsEqualIID(riid, &IID_IDirectMusicObject))
  56         *ret_iface = &This->ObjectVtbl;
  57     else if (IsEqualIID(riid, &IID_IPersistStream))
  58         *ret_iface = &This->PersistStreamVtbl;
  59     else {
  60         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ret_iface);
  61         return E_NOINTERFACE;
  62     }
  63
  64     IDirectMusicBand_AddRef((IUnknown*)*ret_iface);
  65     return S_OK;
  66 }
  67
  68 static ULONG WINAPI IDirectMusicBandImpl_AddRef(IDirectMusicBand *iface)
  69 {
  70     IDirectMusicBandImpl *This = impl_from_IDirectMusicBand(iface);
  71     LONG ref = InterlockedIncrement(&This->ref);
  72
  73     TRACE("(%p) ref=%d\n", This, ref);
  74
  75     return ref;
  76 }
  77
  78 static ULONG WINAPI IDirectMusicBandImpl_Release(IDirectMusicBand *iface)
  79 {
  80     IDirectMusicBandImpl *This = impl_from_IDirectMusicBand(iface);
  81     LONG ref = InterlockedDecrement(&This->ref);
  82
  83     TRACE("(%p) ref=%d\n", This, ref);
  84
  85     if (!ref) {
  86         HeapFree(GetProcessHeap(), 0, This->pDesc);
  87         HeapFree(GetProcessHeap(), 0, This);
  88         DMBAND_UnlockModule();
  89     }
  90
  91     return ref;
  92 }
  93
  94 static HRESULT WINAPI IDirectMusicBandImpl_CreateSegment(IDirectMusicBand *iface,
  95         IDirectMusicSegment **ppSegment)
  96 {
  97         IDirectMusicBandImpl *This = impl_from_IDirectMusicBand(iface);
  98         FIXME("(%p, %p): stub\n", This, ppSegment);
  99         return S_OK;
 100 }
 101
 102 static HRESULT WINAPI IDirectMusicBandImpl_Download(IDirectMusicBand *iface,
 103         IDirectMusicPerformance *pPerformance)
 104 {
 105         IDirectMusicBandImpl *This = impl_from_IDirectMusicBand(iface);
 106         FIXME("(%p, %p): stub\n", This, pPerformance);
 107         return S_OK;
 108 }
 109
 110 static HRESULT WINAPI IDirectMusicBandImpl_Unload(IDirectMusicBand *iface,
 111         IDirectMusicPerformance *pPerformance)
 112 {
 113         IDirectMusicBandImpl *This = impl_from_IDirectMusicBand(iface);
 114         FIXME("(%p, %p): stub\n", This, pPerformance);
 115         return S_OK;
 116 }
 117
 118 static const IDirectMusicBandVtbl dmband_vtbl = {
 119     IDirectMusicBandImpl_QueryInterface,
 120     IDirectMusicBandImpl_AddRef,
 121     IDirectMusicBandImpl_Release,
 122     IDirectMusicBandImpl_CreateSegment,
 123     IDirectMusicBandImpl_Download,
 124     IDirectMusicBandImpl_Unload
 125 };
 126
 127 /* IDirectMusicBandImpl IDirectMusicObject part: */
 128 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 129         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 130         return IDirectMusicBand_QueryInterface(&This->IDirectMusicBand_iface, riid, ppobj);
 131 }
 132
 133 static ULONG WINAPI IDirectMusicBandImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 134         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 135         return IDirectMusicBand_AddRef(&This->IDirectMusicBand_iface);
 136 }
 137
 138 static ULONG WINAPI IDirectMusicBandImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 139         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 140         return IDirectMusicBand_Release(&This->IDirectMusicBand_iface);
 141 }
 142
 143 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 144         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 145         TRACE("(%p, %p)\n", This, pDesc);
 146         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 147         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 148         return S_OK;
 149 }
 150
 151 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 152         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 153         TRACE("(%p, %p): setting descriptor:\n", This, pDesc); debug_DMUS_OBJECTDESC (pDesc);
 154
 155         /* According to MSDN, we should copy only given values, not whole struct */
 156         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 157                 This->pDesc->guidObject = pDesc->guidObject;
 158         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 159                 This->pDesc->guidClass = pDesc->guidClass;
 160         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 161                 lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 162         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 163                 lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 164         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 165                 lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 166         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 167                 This->pDesc->vVersion = pDesc->vVersion;
 168         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 169                 This->pDesc->ftDate = pDesc->ftDate;
 170         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 171                 This->pDesc->llMemLength = pDesc->llMemLength;
 172                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, pDesc->llMemLength);
 173         }
 174         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 175                 /* according to MSDN, we copy the stream */
 176                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 177         }
 178
 179         /* add new flags */
 180         This->pDesc->dwValidData |= pDesc->dwValidData;
 181
 182         return S_OK;
 183 }
 184
 185 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 186         DMUS_PRIVATE_CHUNK Chunk;
 187         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 188         LARGE_INTEGER liMove; /* used when skipping chunks */
 189
 190         TRACE("(%p, %p)\n", pStream, pDesc);
 191
 192         /* FIXME: should this be determined from stream? */
 193         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 194         pDesc->guidClass = CLSID_DirectMusicBand;
 195
 196         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 197         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 198         switch (Chunk.fccID) {
 199                 case FOURCC_RIFF: {
 200                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 201                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 202                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 203                         StreamCount = 0;
 204                         if (Chunk.fccID == DMUS_FOURCC_BAND_FORM) {
 205                                 TRACE_(dmfile)(": band form\n");
 206                                 do {
 207                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 208                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 209                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 210                                         switch (Chunk.fccID) {
 211                                                 case DMUS_FOURCC_GUID_CHUNK: {
 212                                                         TRACE_(dmfile)(": GUID chunk\n");
 213                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 214                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 215                                                         break;
 216                                                 }
 217                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 218                                                         TRACE_(dmfile)(": version chunk\n");
 219                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 220                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 221                                                         break;
 222                                                 }
 223                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 224                                                         TRACE_(dmfile)(": category chunk\n");
 225                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 226                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 227                                                         break;
 228                                                 }
 229                                                 case FOURCC_LIST: {
 230                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 231                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 232                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 233                                                         ListCount[0] = 0;
 234                                                         switch (Chunk.fccID) {
 235                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 236                                                                 case DMUS_FOURCC_UNFO_LIST: {
 237                                                                         TRACE_(dmfile)(": UNFO list\n");
 238                                                                         do {
 239                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 240                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 241                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 242                                                                                 switch (Chunk.fccID) {
 243                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 244                                              (though strings seem to be valid unicode) */
 245                                                                                         case mmioFOURCC('I','N','A','M'):
 246                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 247                                                                                                 TRACE_(dmfile)(": name chunk\n");
 248                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 249                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 250                                                                                                 break;
 251                                                                                         }
 252                                                                                         case mmioFOURCC('I','A','R','T'):
 253                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 254                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 255                                                                                                 liMove.QuadPart = Chunk.dwSize;
 256                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 257                                                                                                 break;
 258                                                                                         }
 259                                                                                         case mmioFOURCC('I','C','O','P'):
 260                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 261                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 262                                                                                                 liMove.QuadPart = Chunk.dwSize;
 263                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 264                                                                                                 break;
 265                                                                                         }
 266                                                                                         case mmioFOURCC('I','S','B','J'):
 267                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 268                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 269                                                                                                 liMove.QuadPart = Chunk.dwSize;
 270                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 271                                                                                                 break;
 272                                                                                         }
 273                                                                                         case mmioFOURCC('I','C','M','T'):
 274                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 275                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 276                                                                                                 liMove.QuadPart = Chunk.dwSize;
 277                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 278                                                                                                 break;
 279                                                                                         }
 280                                                                                         default: {
 281                                                                                                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 282                                                                                                 liMove.QuadPart = Chunk.dwSize;
 283                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 284                                                                                                 break;
 285                                                                                         }
 286                                                                                 }
 287                                                                                 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 288                                                                         } while (ListCount[0] < ListSize[0]);
 289                                                                         break;
 290                                                                 }
 291                                                                 default: {
 292                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 293                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 294                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 295                                                                         break;
 296                                                                 }
 297                                                         }
 298                                                         break;
 299                                                 }
 300                                                 default: {
 301                                                         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 302                                                         liMove.QuadPart = Chunk.dwSize;
 303                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 304                                                         break;
 305                                                 }
 306                                         }
 307                                         TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 308                                 } while (StreamCount < StreamSize);
 309                         } else {
 310                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 311                                 liMove.QuadPart = StreamSize;
 312                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 313                                 return E_FAIL;
 314                         }
 315
 316                         TRACE_(dmfile)(": reading finished\n");
 317                         break;
 318                 }
 319                 default: {
 320                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 321                         liMove.QuadPart = Chunk.dwSize;
 322                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 323                         return DMUS_E_INVALIDFILE;
 324                 }
 325         }
 326
 327         TRACE(": returning descriptor:\n"); debug_DMUS_OBJECTDESC (pDesc);
 328
 329         return S_OK;
 330 }
 331
 332 static const IDirectMusicObjectVtbl DirectMusicBand_Object_Vtbl = {
 333   IDirectMusicBandImpl_IDirectMusicObject_QueryInterface,
 334   IDirectMusicBandImpl_IDirectMusicObject_AddRef,
 335   IDirectMusicBandImpl_IDirectMusicObject_Release,
 336   IDirectMusicBandImpl_IDirectMusicObject_GetDescriptor,
 337   IDirectMusicBandImpl_IDirectMusicObject_SetDescriptor,
 338   IDirectMusicBandImpl_IDirectMusicObject_ParseDescriptor
 339 };
 340
 341 /* IDirectMusicBandImpl IPersistStream part: */
 342 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 343   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 344   return IDirectMusicBand_QueryInterface(&This->IDirectMusicBand_iface, riid, ppobj);
 345 }
 346
 347 static ULONG WINAPI IDirectMusicBandImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 348   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 349   return IDirectMusicBand_AddRef(&This->IDirectMusicBand_iface);
 350 }
 351
 352 static ULONG WINAPI IDirectMusicBandImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 353   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 354   return IDirectMusicBand_Release(&This->IDirectMusicBand_iface);
 355 }
 356
 357 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 358   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 359   TRACE("(%p, %p)\n", This, pClassID);
 360   *pClassID = CLSID_DirectMusicBand;
 361   return S_OK;
 362 }
 363
 364 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 365   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 366   FIXME("(%p): stub, always S_FALSE\n", This);
 367   return S_FALSE;
 368 }
 369
 370 static HRESULT IDirectMusicBandImpl_IPersistStream_ParseInstrument (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 371   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 372   DMUS_PRIVATE_CHUNK Chunk;
 373   DWORD ListSize[3], ListCount[3];
 374   LARGE_INTEGER liMove; /* used when skipping chunks */
 375   HRESULT hr;
 376
 377   DMUS_IO_INSTRUMENT inst;
 378   LPDMUS_PRIVATE_INSTRUMENT pNewInstrument;
 379   IDirectMusicObject* pObject = NULL;
 380
 381   if (pChunk->fccID != DMUS_FOURCC_INSTRUMENT_LIST) {
 382     ERR_(dmfile)(": %s chunk should be an INSTRUMENT list\n", debugstr_fourcc (pChunk->fccID));
 383     return E_FAIL;
 384   }
 385
 386   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 387   ListCount[0] = 0;
 388
 389   do {
 390     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 391     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 392     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 393     switch (Chunk.fccID) {
 394     case DMUS_FOURCC_INSTRUMENT_CHUNK: {
 395       TRACE_(dmfile)(": Instrument chunk\n");
 396       if (Chunk.dwSize != sizeof(DMUS_IO_INSTRUMENT)) return E_FAIL;
 397       IStream_Read (pStm, &inst, sizeof(DMUS_IO_INSTRUMENT), NULL);
 398       TRACE_(dmfile)(" - dwPatch: %u\n", inst.dwPatch);
 399       TRACE_(dmfile)(" - dwAssignPatch: %u\n", inst.dwAssignPatch);
 400       TRACE_(dmfile)(" - dwNoteRanges[0]: %u\n", inst.dwNoteRanges[0]);
 401       TRACE_(dmfile)(" - dwNoteRanges[1]: %u\n", inst.dwNoteRanges[1]);
 402       TRACE_(dmfile)(" - dwNoteRanges[2]: %u\n", inst.dwNoteRanges[2]);
 403       TRACE_(dmfile)(" - dwNoteRanges[3]: %u\n", inst.dwNoteRanges[3]);
 404       TRACE_(dmfile)(" - dwPChannel: %u\n", inst.dwPChannel);
 405       TRACE_(dmfile)(" - dwFlags: %x\n", inst.dwFlags);
 406       TRACE_(dmfile)(" - bPan: %u\n", inst.bPan);
 407       TRACE_(dmfile)(" - bVolume: %u\n", inst.bVolume);
 408       TRACE_(dmfile)(" - nTranspose: %d\n", inst.nTranspose);
 409       TRACE_(dmfile)(" - dwChannelPriority: %u\n", inst.dwChannelPriority);
 410       TRACE_(dmfile)(" - nPitchBendRange: %d\n", inst.nPitchBendRange);
 411       break;
 412     }
 413     case FOURCC_LIST: {
 414       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 415       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 416       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 417       ListCount[1] = 0;
 418       switch (Chunk.fccID) {
 419       case DMUS_FOURCC_REF_LIST: {
 420         FIXME_(dmfile)(": DMRF (DM References) list\n");
 421         hr = IDirectMusicUtils_IPersistStream_ParseReference (iface,  &Chunk, pStm, &pObject);
 422         if (FAILED(hr)) {
 423           ERR(": could not load Reference\n");
 424           return hr;
 425         }
 426         break;
 427       }
 428       default: {
 429         TRACE_(dmfile)(": unknown (skipping)\n");
 430         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 431         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 432         break;
 433       }
 434       }
 435       break;
 436     }
 437     default: {
 438       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 439       liMove.QuadPart = Chunk.dwSize;
 440       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 441       break;
 442     }
 443     }
 444     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 445   } while (ListCount[0] < ListSize[0]);
 446
 447   /*
 448    * @TODO insert pNewInstrument into This
 449    */
 450   pNewInstrument = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_INSTRUMENT));
 451   if (NULL == pNewInstrument) {
 452     ERR(": no more memory\n");
 453     return  E_OUTOFMEMORY;
 454   }
 455   memcpy(&pNewInstrument->pInstrument, &inst, sizeof(DMUS_IO_INSTRUMENT));
 456   pNewInstrument->ppReferenceCollection = NULL;
 457   if (NULL != pObject) {
 458     IDirectMusicCollection* pCol = NULL;
 459     hr = IDirectMusicObject_QueryInterface (pObject, &IID_IDirectMusicCollection, (void**) &pCol);
 460     if (FAILED(hr)) {
 461       ERR(": failed to get IDirectMusicCollection Interface from DMObject\n");
 462       HeapFree(GetProcessHeap(), 0, pNewInstrument);
 463
 464       return hr;
 465     }
 466     pNewInstrument->ppReferenceCollection = pCol;
 467     IDirectMusicObject_Release(pObject);
 468   }
 469   list_add_tail (&This->Instruments, &pNewInstrument->entry);
 470
 471   return S_OK;
 472 }
 473
 474 static HRESULT IDirectMusicBandImpl_IPersistStream_ParseInstrumentsList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 475   /*ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);*/
 476   HRESULT hr;
 477   DMUS_PRIVATE_CHUNK Chunk;
 478   DWORD ListSize[3], ListCount[3];
 479   LARGE_INTEGER liMove; /* used when skipping chunks */
 480
 481   if (pChunk->fccID != DMUS_FOURCC_INSTRUMENTS_LIST) {
 482     ERR_(dmfile)(": %s chunk should be an INSTRUMENTS list\n", debugstr_fourcc (pChunk->fccID));
 483     return E_FAIL;
 484   }
 485
 486   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 487   ListCount[0] = 0;
 488
 489   do {
 490     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 491     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 492     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 493     switch (Chunk.fccID) {
 494     case FOURCC_LIST: {
 495       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 496       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 497       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 498       ListCount[1] = 0;
 499       switch (Chunk.fccID) {
 500       case DMUS_FOURCC_INSTRUMENT_LIST: {
 501         TRACE_(dmfile)(": Instrument list\n");
 502         hr = IDirectMusicBandImpl_IPersistStream_ParseInstrument (iface, &Chunk, pStm);
 503         if (FAILED(hr)) return hr;
 504         break;
 505       }
 506       default: {
 507         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 508         liMove.QuadPart = ListSize[1];
 509         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 510         break;
 511       }
 512       }
 513       break;
 514     }
 515     default: {
 516       TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 517       liMove.QuadPart = Chunk.dwSize;
 518       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 519       break;
 520     }
 521     }
 522     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 523   } while (ListCount[0] < ListSize[0]);
 524
 525   return S_OK;
 526 }
 527
 528 static HRESULT IDirectMusicBandImpl_IPersistStream_ParseBandForm (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 529
 530   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 531   HRESULT hr = E_FAIL;
 532   DMUS_PRIVATE_CHUNK Chunk;
 533   DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 534   LARGE_INTEGER liMove; /* used when skipping chunks */
 535
 536   GUID tmp_guid;
 537
 538   if (pChunk->fccID != DMUS_FOURCC_BAND_FORM) {
 539     ERR_(dmfile)(": %s chunk should be a BAND form\n", debugstr_fourcc (pChunk->fccID));
 540     return E_FAIL;
 541   }
 542
 543   StreamSize = pChunk->dwSize - sizeof(FOURCC);
 544   StreamCount = 0;
 545
 546   do {
 547     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 548     StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 549     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 550
 551     hr = IDirectMusicUtils_IPersistStream_ParseDescGeneric(&Chunk, pStm, This->pDesc);
 552     if (FAILED(hr)) return hr;
 553
 554     if (hr == S_FALSE) {
 555       switch (Chunk.fccID) {
 556       case DMUS_FOURCC_GUID_CHUNK: {
 557         TRACE_(dmfile)(": GUID\n");
 558         IStream_Read (pStm, &tmp_guid, sizeof(GUID), NULL);
 559         TRACE_(dmfile)(" - guid: %s\n", debugstr_dmguid(&tmp_guid));
 560         break;
 561       }
 562       case FOURCC_LIST: {
 563         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 564         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 565         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 566         ListCount[0] = 0;
 567         switch (Chunk.fccID) {
 568         case DMUS_FOURCC_UNFO_LIST: {
 569           TRACE_(dmfile)(": UNFO list\n");
 570           do {
 571             IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 572             ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 573             TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 574
 575             hr = IDirectMusicUtils_IPersistStream_ParseUNFOGeneric(&Chunk, pStm, This->pDesc);
 576             if (FAILED(hr)) return hr;
 577
 578             if (hr == S_FALSE) {
 579               switch (Chunk.fccID) {
 580               default: {
 581                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 582                 liMove.QuadPart = Chunk.dwSize;
 583                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 584                 break;
 585               }
 586               }
 587             }
 588             TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 589           } while (ListCount[0] < ListSize[0]);
 590           break;
 591         }
 592         case DMUS_FOURCC_INSTRUMENTS_LIST: {
 593           TRACE_(dmfile)(": INSTRUMENTS list\n");
 594           hr = IDirectMusicBandImpl_IPersistStream_ParseInstrumentsList (iface, &Chunk, pStm);
 595           if (FAILED(hr)) return hr;
 596           break;
 597         }
 598         default: {
 599           TRACE_(dmfile)(": unknown (skipping)\n");
 600           liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 601           IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 602           break;
 603         }
 604         }
 605         break;
 606       }
 607       default: {
 608         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 609         liMove.QuadPart = Chunk.dwSize;
 610         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 611         break;
 612       }
 613       }
 614     }
 615     TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 616   } while (StreamCount < StreamSize);
 617
 618   return S_OK;
 619 }
 620
 621 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 622   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 623
 624   DMUS_PRIVATE_CHUNK Chunk;
 625   LARGE_INTEGER liMove;
 626   HRESULT hr;
 627
 628   TRACE("(%p,%p): loading\n", This, pStm);
 629
 630   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 631   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 632   switch (Chunk.fccID) {
 633   case FOURCC_RIFF: {
 634     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 635     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 636     switch (Chunk.fccID) {
 637     case DMUS_FOURCC_BAND_FORM: {
 638       TRACE_(dmfile)(": Band form\n");
 639       hr = IDirectMusicBandImpl_IPersistStream_ParseBandForm (iface, &Chunk, pStm);
 640       if (FAILED(hr)) return hr;
 641       break;
 642     }
 643     default: {
 644       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 645       liMove.QuadPart = Chunk.dwSize;
 646       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 647       return E_FAIL;
 648     }
 649     }
 650     TRACE_(dmfile)(": reading finished\n");
 651     break;
 652   }
 653   default: {
 654     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 655     liMove.QuadPart = Chunk.dwSize;
 656     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 657     return E_FAIL;
 658   }
 659   }
 660
 661   return S_OK;
 662 }
 663
 664 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 665   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 666   FIXME("(%p): Saving not implemented yet\n", This);
 667   return E_NOTIMPL;
 668 }
 669
 670 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 671   return E_NOTIMPL;
 672 }
 673
 674 static const IPersistStreamVtbl DirectMusicBand_PersistStream_Vtbl = {
 675   IDirectMusicBandImpl_IPersistStream_QueryInterface,
 676   IDirectMusicBandImpl_IPersistStream_AddRef,
 677   IDirectMusicBandImpl_IPersistStream_Release,
 678   IDirectMusicBandImpl_IPersistStream_GetClassID,
 679   IDirectMusicBandImpl_IPersistStream_IsDirty,
 680   IDirectMusicBandImpl_IPersistStream_Load,
 681   IDirectMusicBandImpl_IPersistStream_Save,
 682   IDirectMusicBandImpl_IPersistStream_GetSizeMax
 683 };
 684
 685 /* for ClassFactory */
 686 HRESULT WINAPI create_dmband(REFIID lpcGUID, void **ppobj)
 687 {
 688   IDirectMusicBandImpl* obj;
 689   HRESULT hr;
 690
 691   obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBandImpl));
 692   if (NULL == obj) {
 693     *ppobj = NULL;
 694     return E_OUTOFMEMORY;
 695   }
 696   obj->IDirectMusicBand_iface.lpVtbl = &dmband_vtbl;
 697   obj->ObjectVtbl = &DirectMusicBand_Object_Vtbl;
 698   obj->PersistStreamVtbl = &DirectMusicBand_PersistStream_Vtbl;
 699   obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 700   DM_STRUCT_INIT(obj->pDesc);
 701   obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 702   obj->pDesc->guidClass = CLSID_DirectMusicBand;
 703   obj->ref = 1;
 704   list_init (&obj->Instruments);
 705
 706   DMBAND_LockModule();
 707   hr = IDirectMusicBand_QueryInterface(&obj->IDirectMusicBand_iface, lpcGUID, ppobj);
 708   IDirectMusicBand_Release(&obj->IDirectMusicBand_iface);
 709
 710   return hr;
 711 }