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 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., 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 static const GUID IID_IDirectMusicBandPRIVATE = {0xda54db81,0x837d,0x11d1,{0x86,0xbc,0x00,0xc0,0x4f,0xbf,0x8f,0xef}};
  26
  27 /*****************************************************************************
  28  * IDirectMusicBandImpl implementation
  29  */
  30 /* IDirectMusicBandImpl IUnknown part: */
  31 static HRESULT WINAPI IDirectMusicBandImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  32         ICOM_THIS_MULTI(IDirectMusicBandImpl, UnknownVtbl, iface);
  33
  34         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  35         if (IsEqualIID (riid, &IID_IUnknown)) {
  36                 *ppobj = (LPVOID)&This->UnknownVtbl;
  37                 IUnknown_AddRef (iface);
  38                 return S_OK;
  39         } else if (IsEqualIID (riid, &IID_IDirectMusicBand)) {
  40                 *ppobj = (LPVOID)&This->BandVtbl;
  41                 IUnknown_AddRef (iface);
  42                 return S_OK;
  43         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  44                 *ppobj = (LPVOID)&This->ObjectVtbl;
  45                 IUnknown_AddRef (iface);
  46                 return S_OK;
  47         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  48                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
  49                 IUnknown_AddRef (iface);
  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 IDirectMusicBandImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  58         ICOM_THIS_MULTI(IDirectMusicBandImpl, UnknownVtbl, iface);
  59         ULONG ref = InterlockedIncrement(&This->ref);
  60
  61         TRACE("(%p) : AddRef from %d\n", This, ref - 1);
  62
  63         DMBAND_LockModule();
  64
  65         return ref;
  66 }
  67
  68 static ULONG WINAPI IDirectMusicBandImpl_IUnknown_Release (LPUNKNOWN iface) {
  69         ICOM_THIS_MULTI(IDirectMusicBandImpl, 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         DMBAND_UnlockModule();
  79
  80         return ref;
  81 }
  82
  83 static const IUnknownVtbl DirectMusicBand_Unknown_Vtbl = {
  84         IDirectMusicBandImpl_IUnknown_QueryInterface,
  85         IDirectMusicBandImpl_IUnknown_AddRef,
  86         IDirectMusicBandImpl_IUnknown_Release
  87 };
  88
  89 /* IDirectMusicBandImpl IDirectMusicBand part: */
  90 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicBand_QueryInterface (LPDIRECTMUSICBAND iface, REFIID riid, LPVOID *ppobj) {
  91         ICOM_THIS_MULTI(IDirectMusicBandImpl, BandVtbl, iface);
  92         return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  93 }
  94
  95 static ULONG WINAPI IDirectMusicBandImpl_IDirectMusicBand_AddRef (LPDIRECTMUSICBAND iface) {
  96         ICOM_THIS_MULTI(IDirectMusicBandImpl, BandVtbl, iface);
  97         return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  98 }
  99
 100 static ULONG WINAPI IDirectMusicBandImpl_IDirectMusicBand_Release (LPDIRECTMUSICBAND iface) {
 101         ICOM_THIS_MULTI(IDirectMusicBandImpl, BandVtbl, iface);
 102         return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 103 }
 104
 105 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicBand_CreateSegment (LPDIRECTMUSICBAND iface, IDirectMusicSegment** ppSegment) {
 106         ICOM_THIS_MULTI(IDirectMusicBandImpl, BandVtbl, iface);
 107         FIXME("(%p, %p): stub\n", This, ppSegment);
 108         return S_OK;
 109 }
 110
 111 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicBand_Download (LPDIRECTMUSICBAND iface, IDirectMusicPerformance* pPerformance) {
 112         ICOM_THIS_MULTI(IDirectMusicBandImpl, BandVtbl, iface);
 113         FIXME("(%p, %p): stub\n", This, pPerformance);
 114         return S_OK;
 115 }
 116
 117 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicBand_Unload (LPDIRECTMUSICBAND iface, IDirectMusicPerformance* pPerformance) {
 118         ICOM_THIS_MULTI(IDirectMusicBandImpl, BandVtbl, iface);
 119         FIXME("(%p, %p): stub\n", This, pPerformance);
 120         return S_OK;
 121 }
 122
 123 static const IDirectMusicBandVtbl DirectMusicBand_Band_Vtbl = {
 124         IDirectMusicBandImpl_IDirectMusicBand_QueryInterface,
 125         IDirectMusicBandImpl_IDirectMusicBand_AddRef,
 126         IDirectMusicBandImpl_IDirectMusicBand_Release,
 127         IDirectMusicBandImpl_IDirectMusicBand_CreateSegment,
 128         IDirectMusicBandImpl_IDirectMusicBand_Download,
 129         IDirectMusicBandImpl_IDirectMusicBand_Unload
 130 };
 131
 132 /* IDirectMusicBandImpl IDirectMusicObject part: */
 133 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 134         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 135         return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 136 }
 137
 138 static ULONG WINAPI IDirectMusicBandImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 139         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 140         return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 141 }
 142
 143 static ULONG WINAPI IDirectMusicBandImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 144         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 145         return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 146 }
 147
 148 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 149         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 150         TRACE("(%p, %p)\n", This, pDesc);
 151         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 152         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 153         return S_OK;
 154 }
 155
 156 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 157         ICOM_THIS_MULTI(IDirectMusicBandImpl, ObjectVtbl, iface);
 158         TRACE("(%p, %p): setting descriptor:\n", This, pDesc); debug_DMUS_OBJECTDESC (pDesc);
 159
 160         /* According to MSDN, we should copy only given values, not whole struct */
 161         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 162                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 163         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 164                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 165         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 166                 lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 167         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 168                 lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 169         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 170                 lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 171         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 172                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 173         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 174                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 175         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 176                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 177                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 178         }
 179         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 180                 /* according to MSDN, we copy the stream */
 181                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 182         }
 183
 184         /* add new flags */
 185         This->pDesc->dwValidData |= pDesc->dwValidData;
 186
 187         return S_OK;
 188 }
 189
 190 static HRESULT WINAPI IDirectMusicBandImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 191         DMUS_PRIVATE_CHUNK Chunk;
 192         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 193         LARGE_INTEGER liMove; /* used when skipping chunks */
 194
 195         TRACE("(%p, %p)\n", pStream, pDesc);
 196
 197         /* FIXME: should this be determined from stream? */
 198         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 199         memcpy (&pDesc->guidClass, &CLSID_DirectMusicBand, sizeof(CLSID));
 200
 201         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 202         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 203         switch (Chunk.fccID) {
 204                 case FOURCC_RIFF: {
 205                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 206                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 207                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 208                         StreamCount = 0;
 209                         if (Chunk.fccID == DMUS_FOURCC_BAND_FORM) {
 210                                 TRACE_(dmfile)(": band form\n");
 211                                 do {
 212                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 213                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 214                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 215                                         switch (Chunk.fccID) {
 216                                                 case DMUS_FOURCC_GUID_CHUNK: {
 217                                                         TRACE_(dmfile)(": GUID chunk\n");
 218                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 219                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 220                                                         break;
 221                                                 }
 222                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 223                                                         TRACE_(dmfile)(": version chunk\n");
 224                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 225                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 226                                                         break;
 227                                                 }
 228                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 229                                                         TRACE_(dmfile)(": category chunk\n");
 230                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 231                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 232                                                         break;
 233                                                 }
 234                                                 case FOURCC_LIST: {
 235                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 236                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 237                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 238                                                         ListCount[0] = 0;
 239                                                         switch (Chunk.fccID) {
 240                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 241                                                                 case DMUS_FOURCC_UNFO_LIST: {
 242                                                                         TRACE_(dmfile)(": UNFO list\n");
 243                                                                         do {
 244                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 245                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 246                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 247                                                                                 switch (Chunk.fccID) {
 248                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 249                                              (though strings seem to be valid unicode) */
 250                                                                                         case mmioFOURCC('I','N','A','M'):
 251                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 252                                                                                                 TRACE_(dmfile)(": name chunk\n");
 253                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 254                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 255                                                                                                 break;
 256                                                                                         }
 257                                                                                         case mmioFOURCC('I','A','R','T'):
 258                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 259                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 260                                                                                                 liMove.QuadPart = Chunk.dwSize;
 261                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 262                                                                                                 break;
 263                                                                                         }
 264                                                                                         case mmioFOURCC('I','C','O','P'):
 265                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 266                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 267                                                                                                 liMove.QuadPart = Chunk.dwSize;
 268                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 269                                                                                                 break;
 270                                                                                         }
 271                                                                                         case mmioFOURCC('I','S','B','J'):
 272                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 273                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 274                                                                                                 liMove.QuadPart = Chunk.dwSize;
 275                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 276                                                                                                 break;
 277                                                                                         }
 278                                                                                         case mmioFOURCC('I','C','M','T'):
 279                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 280                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 281                                                                                                 liMove.QuadPart = Chunk.dwSize;
 282                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 283                                                                                                 break;
 284                                                                                         }
 285                                                                                         default: {
 286                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 287                                                                                                 liMove.QuadPart = Chunk.dwSize;
 288                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 289                                                                                                 break;
 290                                                                                         }
 291                                                                                 }
 292                                                                                 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 293                                                                         } while (ListCount[0] < ListSize[0]);
 294                                                                         break;
 295                                                                 }
 296                                                                 default: {
 297                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 298                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 299                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 300                                                                         break;
 301                                                                 }
 302                                                         }
 303                                                         break;
 304                                                 }
 305                                                 default: {
 306                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 307                                                         liMove.QuadPart = Chunk.dwSize;
 308                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 309                                                         break;
 310                                                 }
 311                                         }
 312                                         TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 313                                 } while (StreamCount < StreamSize);
 314                         } else {
 315                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 316                                 liMove.QuadPart = StreamSize;
 317                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 318                                 return E_FAIL;
 319                         }
 320
 321                         TRACE_(dmfile)(": reading finished\n");
 322                         break;
 323                 }
 324                 default: {
 325                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 326                         liMove.QuadPart = Chunk.dwSize;
 327                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 328                         return DMUS_E_INVALIDFILE;
 329                 }
 330         }
 331
 332         TRACE(": returning descriptor:\n"); debug_DMUS_OBJECTDESC (pDesc);
 333
 334         return S_OK;
 335 }
 336
 337 static const IDirectMusicObjectVtbl DirectMusicBand_Object_Vtbl = {
 338   IDirectMusicBandImpl_IDirectMusicObject_QueryInterface,
 339   IDirectMusicBandImpl_IDirectMusicObject_AddRef,
 340   IDirectMusicBandImpl_IDirectMusicObject_Release,
 341   IDirectMusicBandImpl_IDirectMusicObject_GetDescriptor,
 342   IDirectMusicBandImpl_IDirectMusicObject_SetDescriptor,
 343   IDirectMusicBandImpl_IDirectMusicObject_ParseDescriptor
 344 };
 345
 346 /* IDirectMusicBandImpl IPersistStream part: */
 347 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 348   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 349   return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 350 }
 351
 352 static ULONG WINAPI IDirectMusicBandImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 353   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 354   return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 355 }
 356
 357 static ULONG WINAPI IDirectMusicBandImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 358   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 359   return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 360 }
 361
 362 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 363   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 364   TRACE("(%p, %p)\n", This, pClassID);
 365   memcpy(pClassID, &CLSID_DirectMusicBand, sizeof(CLSID));
 366   return S_OK;
 367 }
 368
 369 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 370   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 371   FIXME("(%p): stub, always S_FALSE\n", This);
 372   return S_FALSE;
 373 }
 374
 375 static HRESULT IDirectMusicBandImpl_IPersistStream_ParseInstrument (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 376   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 377   DMUS_PRIVATE_CHUNK Chunk;
 378   DWORD ListSize[3], ListCount[3];
 379   LARGE_INTEGER liMove; /* used when skipping chunks */
 380   HRESULT hr;
 381
 382   DMUS_IO_INSTRUMENT inst;
 383   LPDMUS_PRIVATE_INSTRUMENT pNewInstrument;
 384   IDirectMusicObject* pObject = NULL;
 385
 386   if (pChunk->fccID != DMUS_FOURCC_INSTRUMENT_LIST) {
 387     ERR_(dmfile)(": %s chunk should be an INSTRUMENT list\n", debugstr_fourcc (pChunk->fccID));
 388     return E_FAIL;
 389   }
 390
 391   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 392   ListCount[0] = 0;
 393
 394   do {
 395     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 396     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 397     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 398     switch (Chunk.fccID) {
 399     case DMUS_FOURCC_INSTRUMENT_CHUNK: {
 400       TRACE_(dmfile)(": Instrument chunk\n");
 401       if (Chunk.dwSize != sizeof(DMUS_IO_INSTRUMENT)) return E_FAIL;
 402       IStream_Read (pStm, &inst, sizeof(DMUS_IO_INSTRUMENT), NULL);
 403       TRACE_(dmfile)(" - dwPatch: %u\n", inst.dwPatch);
 404       TRACE_(dmfile)(" - dwAssignPatch: %u\n", inst.dwAssignPatch);
 405       TRACE_(dmfile)(" - dwNoteRanges[0]: %u\n", inst.dwNoteRanges[0]);
 406       TRACE_(dmfile)(" - dwNoteRanges[1]: %u\n", inst.dwNoteRanges[1]);
 407       TRACE_(dmfile)(" - dwNoteRanges[2]: %u\n", inst.dwNoteRanges[2]);
 408       TRACE_(dmfile)(" - dwNoteRanges[3]: %u\n", inst.dwNoteRanges[3]);
 409       TRACE_(dmfile)(" - dwPChannel: %u\n", inst.dwPChannel);
 410       TRACE_(dmfile)(" - dwFlags: %u\n", inst.dwFlags);
 411       TRACE_(dmfile)(" - bPan: %u\n", inst.bPan);
 412       TRACE_(dmfile)(" - bVolume: %u\n", inst.bVolume);
 413       TRACE_(dmfile)(" - nTranspose: %d\n", inst.nTranspose);
 414       TRACE_(dmfile)(" - dwChannelPriority: %u\n", inst.dwChannelPriority);
 415       TRACE_(dmfile)(" - nPitchBendRange: %d\n", inst.nPitchBendRange);
 416       break;
 417     }
 418     case FOURCC_LIST: {
 419       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 420       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 421       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 422       ListCount[1] = 0;
 423       switch (Chunk.fccID) {
 424       case DMUS_FOURCC_REF_LIST: {
 425         FIXME_(dmfile)(": DMRF (DM References) list\n");
 426         hr = IDirectMusicUtils_IPersistStream_ParseReference (iface,  &Chunk, pStm, &pObject);
 427         if (FAILED(hr)) {
 428           ERR(": could not load Reference\n");
 429           return hr;
 430         }
 431         break;
 432       }
 433       default: {
 434         TRACE_(dmfile)(": unknown (skipping)\n");
 435         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 436         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 437         break;
 438       }
 439       }
 440       break;
 441     }
 442     default: {
 443       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 444       liMove.QuadPart = Chunk.dwSize;
 445       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 446       break;
 447     }
 448     }
 449     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 450   } while (ListCount[0] < ListSize[0]);
 451
 452   /*
 453    * @TODO insert pNewInstrument into This
 454    */
 455   pNewInstrument = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_INSTRUMENT));
 456   if (NULL == pNewInstrument) {
 457     ERR(": no more memory\n");
 458     return  E_OUTOFMEMORY;
 459   }
 460   memcpy(&pNewInstrument->pInstrument, &inst, sizeof(DMUS_IO_INSTRUMENT));
 461   pNewInstrument->ppReferenceCollection = NULL;
 462   if (NULL != pObject) {
 463     IDirectMusicCollection* pCol = NULL;
 464     hr = IDirectMusicObject_QueryInterface (pObject, &IID_IDirectMusicCollection, (void**) &pCol);
 465     if (FAILED(hr)) {
 466       ERR(": failed to get IDirectMusicCollection Interface from DMObject\n");
 467       return hr;
 468     }
 469     pNewInstrument->ppReferenceCollection = pCol;
 470     IDirectMusicObject_Release(pObject);
 471   }
 472   list_add_tail (&This->Instruments, &pNewInstrument->entry);
 473
 474   return S_OK;
 475 }
 476
 477 static HRESULT IDirectMusicBandImpl_IPersistStream_ParseInstrumentsList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 478   /*ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);*/
 479   HRESULT hr;
 480   DMUS_PRIVATE_CHUNK Chunk;
 481   DWORD ListSize[3], ListCount[3];
 482   LARGE_INTEGER liMove; /* used when skipping chunks */
 483
 484   if (pChunk->fccID != DMUS_FOURCC_INSTRUMENTS_LIST) {
 485     ERR_(dmfile)(": %s chunk should be an INSTRUMENTS list\n", debugstr_fourcc (pChunk->fccID));
 486     return E_FAIL;
 487   }
 488
 489   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
 490   ListCount[0] = 0;
 491
 492   do {
 493     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 494     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 495     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 496     switch (Chunk.fccID) {
 497     case FOURCC_LIST: {
 498       IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 499       TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 500       ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
 501       ListCount[1] = 0;
 502       switch (Chunk.fccID) {
 503       case DMUS_FOURCC_INSTRUMENT_LIST: {
 504         TRACE_(dmfile)(": Instrument list\n");
 505         hr = IDirectMusicBandImpl_IPersistStream_ParseInstrument (iface, &Chunk, pStm);
 506         if (FAILED(hr)) return hr;
 507         break;
 508       }
 509       default: {
 510         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 511         liMove.QuadPart = ListSize[1];
 512         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 513         break;
 514       }
 515       }
 516       break;
 517     }
 518     default: {
 519       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 520       liMove.QuadPart = Chunk.dwSize;
 521       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 522       break;
 523     }
 524     }
 525     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 526   } while (ListCount[0] < ListSize[0]);
 527
 528   return S_OK;
 529 }
 530
 531 static HRESULT IDirectMusicBandImpl_IPersistStream_ParseBandForm (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
 532
 533   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 534   HRESULT hr = E_FAIL;
 535   DMUS_PRIVATE_CHUNK Chunk;
 536   DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
 537   LARGE_INTEGER liMove; /* used when skipping chunks */
 538
 539   GUID tmp_guid;
 540
 541   if (pChunk->fccID != DMUS_FOURCC_BAND_FORM) {
 542     ERR_(dmfile)(": %s chunk should be a BAND form\n", debugstr_fourcc (pChunk->fccID));
 543     return E_FAIL;
 544   }
 545
 546   StreamSize = pChunk->dwSize - sizeof(FOURCC);
 547   StreamCount = 0;
 548
 549   do {
 550     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 551     StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 552     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 553
 554     hr = IDirectMusicUtils_IPersistStream_ParseDescGeneric(&Chunk, pStm, This->pDesc);
 555     if (FAILED(hr)) return hr;
 556
 557     if (hr == S_FALSE) {
 558       switch (Chunk.fccID) {
 559       case DMUS_FOURCC_GUID_CHUNK: {
 560         TRACE_(dmfile)(": GUID\n");
 561         IStream_Read (pStm, &tmp_guid, sizeof(GUID), NULL);
 562         TRACE_(dmfile)(" - guid: %s\n", debugstr_dmguid(&tmp_guid));
 563         break;
 564       }
 565       case FOURCC_LIST: {
 566         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 567         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 568         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 569         ListCount[0] = 0;
 570         switch (Chunk.fccID) {
 571         case DMUS_FOURCC_UNFO_LIST: {
 572           TRACE_(dmfile)(": UNFO list\n");
 573           do {
 574             IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 575             ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 576             TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 577
 578             hr = IDirectMusicUtils_IPersistStream_ParseUNFOGeneric(&Chunk, pStm, This->pDesc);
 579             if (FAILED(hr)) return hr;
 580
 581             if (hr == S_FALSE) {
 582               switch (Chunk.fccID) {
 583               default: {
 584                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 585                 liMove.QuadPart = Chunk.dwSize;
 586                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 587                 break;
 588               }
 589               }
 590             }
 591             TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 592           } while (ListCount[0] < ListSize[0]);
 593           break;
 594         }
 595         case DMUS_FOURCC_INSTRUMENTS_LIST: {
 596           TRACE_(dmfile)(": INSTRUMENTS list\n");
 597           hr = IDirectMusicBandImpl_IPersistStream_ParseInstrumentsList (iface, &Chunk, pStm);
 598           if (FAILED(hr)) return hr;
 599           break;
 600         }
 601         default: {
 602           TRACE_(dmfile)(": unknown (skipping)\n");
 603           liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 604           IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 605           break;
 606         }
 607         }
 608         break;
 609       }
 610       default: {
 611         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 612         liMove.QuadPart = Chunk.dwSize;
 613         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 614         break;
 615       }
 616       }
 617     }
 618     TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 619   } while (StreamCount < StreamSize);
 620
 621   return S_OK;
 622 }
 623
 624 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 625   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 626
 627   DMUS_PRIVATE_CHUNK Chunk;
 628   LARGE_INTEGER liMove;
 629   HRESULT hr;
 630
 631   TRACE("(%p,%p): loading\n", This, pStm);
 632
 633   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 634   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 635   switch (Chunk.fccID) {
 636   case FOURCC_RIFF: {
 637     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
 638     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 639     switch (Chunk.fccID) {
 640     case DMUS_FOURCC_BAND_FORM: {
 641       TRACE_(dmfile)(": Band form\n");
 642       hr = IDirectMusicBandImpl_IPersistStream_ParseBandForm (iface, &Chunk, pStm);
 643       if (FAILED(hr)) return hr;
 644       break;
 645     }
 646     default: {
 647       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 648       liMove.QuadPart = Chunk.dwSize;
 649       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 650       return E_FAIL;
 651     }
 652     }
 653     TRACE_(dmfile)(": reading finished\n");
 654     break;
 655   }
 656   default: {
 657     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 658     liMove.QuadPart = Chunk.dwSize;
 659     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 660     return E_FAIL;
 661   }
 662   }
 663
 664   return S_OK;
 665 }
 666
 667 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 668   ICOM_THIS_MULTI(IDirectMusicBandImpl, PersistStreamVtbl, iface);
 669   FIXME("(%p): Saving not implemented yet\n", This);
 670   return E_NOTIMPL;
 671 }
 672
 673 static HRESULT WINAPI IDirectMusicBandImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 674   return E_NOTIMPL;
 675 }
 676
 677 static const IPersistStreamVtbl DirectMusicBand_PersistStream_Vtbl = {
 678   IDirectMusicBandImpl_IPersistStream_QueryInterface,
 679   IDirectMusicBandImpl_IPersistStream_AddRef,
 680   IDirectMusicBandImpl_IPersistStream_Release,
 681   IDirectMusicBandImpl_IPersistStream_GetClassID,
 682   IDirectMusicBandImpl_IPersistStream_IsDirty,
 683   IDirectMusicBandImpl_IPersistStream_Load,
 684   IDirectMusicBandImpl_IPersistStream_Save,
 685   IDirectMusicBandImpl_IPersistStream_GetSizeMax
 686 };
 687
 688 /* for ClassFactory */
 689 HRESULT WINAPI DMUSIC_CreateDirectMusicBandImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 690   IDirectMusicBandImpl* obj;
 691
 692   obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBandImpl));
 693   if (NULL == obj) {
 694     *ppobj = NULL;
 695     return E_OUTOFMEMORY;
 696   }
 697   obj->UnknownVtbl = &DirectMusicBand_Unknown_Vtbl;
 698   obj->BandVtbl = &DirectMusicBand_Band_Vtbl;
 699   obj->ObjectVtbl = &DirectMusicBand_Object_Vtbl;
 700   obj->PersistStreamVtbl = &DirectMusicBand_PersistStream_Vtbl;
 701   obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 702   DM_STRUCT_INIT(obj->pDesc);
 703   obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 704   memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicBand, sizeof (CLSID));
 705   obj->ref = 0; /* will be inited by QueryInterface */
 706   list_init (&obj->Instruments);
 707
 708   return IDirectMusicBandImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 709 }