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