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