dlls/dmcompos/chordmap.c

   1 /* IDirectMusicChordMap 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 "dmcompos_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmcompos);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 /*****************************************************************************
  26  * IDirectMusicChordMapImpl implementation
  27  */
  28 /* IDirectMusicChordMapImpl IUnknown part: */
  29 HRESULT WINAPI IDirectMusicChordMapImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  30         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
  31         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  32
  33         if (IsEqualIID (riid, &IID_IUnknown)) {
  34                 *ppobj = (LPVOID)&This->UnknownVtbl;
  35                 IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  36                 return S_OK;
  37         } else if (IsEqualIID (riid, &IID_IDirectMusicChordMap)) {
  38                 *ppobj = (LPVOID)&This->ChordMapVtbl;
  39                 IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef ((LPDIRECTMUSICCHORDMAP)&This->ChordMapVtbl);
  40                 return S_OK;
  41         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  42                 *ppobj = (LPVOID)&This->ObjectVtbl;
  43                 IDirectMusicChordMapImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
  44                 return S_OK;
  45         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  46                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
  47                 IDirectMusicChordMapImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  48                 return S_OK;
  49         }
  50
  51         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  52         return E_NOINTERFACE;
  53 }
  54
  55 ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  56         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
  57         TRACE("(%p): AddRef from %ld\n", This, This->ref);
  58         return ++(This->ref);
  59 }
  60
  61 ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_Release (LPUNKNOWN iface) {
  62         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
  63         ULONG ref = --This->ref;
  64         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
  65         if (ref == 0) {
  66                 HeapFree(GetProcessHeap(), 0, This);
  67         }
  68         return ref;
  69 }
  70
  71 IUnknownVtbl DirectMusicChordMap_Unknown_Vtbl = {
  72         IDirectMusicChordMapImpl_IUnknown_QueryInterface,
  73         IDirectMusicChordMapImpl_IUnknown_AddRef,
  74         IDirectMusicChordMapImpl_IUnknown_Release
  75 };
  76
  77 /* IDirectMusicChordMapImpl IDirectMusicChordMap part: */
  78 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface (LPDIRECTMUSICCHORDMAP iface, REFIID riid, LPVOID *ppobj) {
  79         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  80         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  81 }
  82
  83 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef (LPDIRECTMUSICCHORDMAP iface) {
  84         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  85         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  86 }
  87
  88 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_Release (LPDIRECTMUSICCHORDMAP iface) {
  89         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  90         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  91 }
  92
  93 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale (LPDIRECTMUSICCHORDMAP iface, DWORD* pdwScale) {
  94         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  95         FIXME("(%p, %p): stub\n", This, pdwScale);
  96         return S_OK;
  97 }
  98
  99 IDirectMusicChordMapVtbl DirectMusicChordMap_ChordMap_Vtbl = {
 100         IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface,
 101         IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef,
 102         IDirectMusicChordMapImpl_IDirectMusicChordMap_Release,
 103         IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale
 104 };
 105
 106 /* IDirectMusicChordMapImpl IDirectMusicObject part: */
 107 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 108         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 109         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 110 }
 111
 112 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 113         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 114         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 115 }
 116
 117 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 118         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 119         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 120 }
 121
 122 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 123         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 124         TRACE("(%p, %p)\n", This, pDesc);
 125         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 126         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 127         return S_OK;
 128 }
 129
 130 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 131         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 132         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 133
 134         /* According to MSDN, we should copy only given values, not whole struct */
 135         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 136                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 137         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 138                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 139         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 140                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 141         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 142                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 143         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 144                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 145         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 146                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 147         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 148                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 149         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 150                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 151                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 152         }
 153         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 154                 /* according to MSDN, we copy the stream */
 155                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 156         }
 157
 158         /* add new flags */
 159         This->pDesc->dwValidData |= pDesc->dwValidData;
 160
 161         return S_OK;
 162 }
 163
 164 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 165         DMUS_PRIVATE_CHUNK Chunk;
 166         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 167         LARGE_INTEGER liMove; /* used when skipping chunks */
 168
 169         TRACE("(%p, %p)\n", pStream, pDesc);
 170
 171         /* FIXME: should this be determined from stream? */
 172         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 173         memcpy (&pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof(CLSID));
 174
 175         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 176         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 177         switch (Chunk.fccID) {
 178                 case FOURCC_RIFF: {
 179                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 180                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 181                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 182                         StreamCount = 0;
 183                         if (Chunk.fccID == DMUS_FOURCC_CHORDMAP_FORM) {
 184                                 TRACE_(dmfile)(": chord map form\n");
 185                                 do {
 186                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 187                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 188                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 189                                         switch (Chunk.fccID) {
 190                                                 case DMUS_FOURCC_GUID_CHUNK: {
 191                                                         TRACE_(dmfile)(": GUID chunk\n");
 192                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 193                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 194                                                         break;
 195                                                 }
 196                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 197                                                         TRACE_(dmfile)(": version chunk\n");
 198                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 199                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 200                                                         break;
 201                                                 }
 202                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 203                                                         TRACE_(dmfile)(": category chunk\n");
 204                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 205                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 206                                                         break;
 207                                                 }
 208                                                 case FOURCC_LIST: {
 209                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 210                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 211                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 212                                                         ListCount[0] = 0;
 213                                                         switch (Chunk.fccID) {
 214                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 215                                                                 case DMUS_FOURCC_UNFO_LIST: {
 216                                                                         TRACE_(dmfile)(": UNFO list\n");
 217                                                                         do {
 218                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 219                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 220                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 221                                                                                 switch (Chunk.fccID) {
 222                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 223                                              (though strings seem to be valid unicode) */
 224                                                                                         case mmioFOURCC('I','N','A','M'):
 225                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 226                                                                                                 TRACE_(dmfile)(": name chunk\n");
 227                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 228                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 229                                                                                                 break;
 230                                                                                         }
 231                                                                                         case mmioFOURCC('I','A','R','T'):
 232                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 233                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 234                                                                                                 liMove.QuadPart = Chunk.dwSize;
 235                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 236                                                                                                 break;
 237                                                                                         }
 238                                                                                         case mmioFOURCC('I','C','O','P'):
 239                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 240                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 241                                                                                                 liMove.QuadPart = Chunk.dwSize;
 242                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 243                                                                                                 break;
 244                                                                                         }
 245                                                                                         case mmioFOURCC('I','S','B','J'):
 246                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 247                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 248                                                                                                 liMove.QuadPart = Chunk.dwSize;
 249                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 250                                                                                                 break;
 251                                                                                         }
 252                                                                                         case mmioFOURCC('I','C','M','T'):
 253                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 254                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 255                                                                                                 liMove.QuadPart = Chunk.dwSize;
 256                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 257                                                                                                 break;
 258                                                                                         }
 259                                                                                         default: {
 260                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 261                                                                                                 liMove.QuadPart = Chunk.dwSize;
 262                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 263                                                                                                 break;
 264                                                                                         }
 265                                                                                 }
 266                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 267                                                                         } while (ListCount[0] < ListSize[0]);
 268                                                                         break;
 269                                                                 }
 270                                                                 default: {
 271                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 272                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 273                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 274                                                                         break;
 275                                                                 }
 276                                                         }
 277                                                         break;
 278                                                 }
 279                                                 default: {
 280                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 281                                                         liMove.QuadPart = Chunk.dwSize;
 282                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 283                                                         break;
 284                                                 }
 285                                         }
 286                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 287                                 } while (StreamCount < StreamSize);
 288                                 break;
 289                         } else {
 290                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 291                                 liMove.QuadPart = StreamSize;
 292                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 293                                 return E_FAIL;
 294                         }
 295
 296                         TRACE_(dmfile)(": reading finished\n");
 297                         break;
 298                 }
 299                 default: {
 300                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 301                         liMove.QuadPart = Chunk.dwSize;
 302                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 303                         return DMUS_E_INVALIDFILE;
 304                 }
 305         }
 306
 307         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 308
 309         return S_OK;
 310 }
 311
 312 IDirectMusicObjectVtbl DirectMusicChordMap_Object_Vtbl = {
 313         IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface,
 314         IDirectMusicChordMapImpl_IDirectMusicObject_AddRef,
 315         IDirectMusicChordMapImpl_IDirectMusicObject_Release,
 316         IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor,
 317         IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor,
 318         IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor
 319 };
 320
 321
 322 /* IDirectMusicChordMapImpl IPersistStream part: */
 323 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 324         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 325         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 326 }
 327
 328 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 329         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 330         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 331 }
 332
 333 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 334         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 335         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 336 }
 337
 338 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 339         return E_NOTIMPL;
 340 }
 341
 342 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 343         return E_NOTIMPL;
 344 }
 345
 346 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 347         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 348
 349         FOURCC chunkID;
 350         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 351         LARGE_INTEGER liMove; /* used when skipping chunks */
 352
 353         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 354         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 355         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 356         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 357         switch (chunkID) {
 358                 case FOURCC_RIFF: {
 359                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 360                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 361                         StreamSize = chunkSize - sizeof(FOURCC);
 362                         StreamCount = 0;
 363                         switch (chunkID) {
 364                                 case DMUS_FOURCC_CHORDMAP_FORM: {
 365                                         TRACE_(dmfile)(": chordmap form\n");
 366                                         do {
 367                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 368                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 369                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 370                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 371                                                 switch (chunkID) {
 372                                                         case DMUS_FOURCC_GUID_CHUNK: {
 373                                                                 TRACE_(dmfile)(": GUID chunk\n");
 374                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 375                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 376                                                                 break;
 377                                                         }
 378                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 379                                                                 TRACE_(dmfile)(": version chunk\n");
 380                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 381                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 382                                                                 break;
 383                                                         }
 384                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 385                                                                 TRACE_(dmfile)(": category chunk\n");
 386                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 387                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 388                                                                 break;
 389                                                         }
 390                                                         case FOURCC_LIST: {
 391                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 392                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 393                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 394                                                                 ListCount[0] = 0;
 395                                                                 switch (chunkID) {
 396                                                                         case DMUS_FOURCC_UNFO_LIST: {
 397                                                                                 TRACE_(dmfile)(": UNFO list\n");
 398                                                                                 do {
 399                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 400                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 401                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 402                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 403                                                                                         switch (chunkID) {
 404                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 405                                               (though strings seem to be valid unicode) */
 406                                                                                                 case mmioFOURCC('I','N','A','M'):
 407                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 408                                                                                                         TRACE_(dmfile)(": name chunk\n");
 409                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 410                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 411                                                                                                         break;
 412                                                                                                 }
 413                                                                                                 case mmioFOURCC('I','A','R','T'):
 414                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 415                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 416                                                                                                         liMove.QuadPart = chunkSize;
 417                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 418                                                                                                         break;
 419                                                                                                 }
 420                                                                                                 case mmioFOURCC('I','C','O','P'):
 421                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 422                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 423                                                                                                         liMove.QuadPart = chunkSize;
 424                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 425                                                                                                         break;
 426                                                                                                 }
 427                                                                                                 case mmioFOURCC('I','S','B','J'):
 428                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 429                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 430                                                                                                         liMove.QuadPart = chunkSize;
 431                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 432                                                                                                         break;
 433                                                                                                 }
 434                                                                                                 case mmioFOURCC('I','C','M','T'):
 435                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 436                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 437                                                                                                         liMove.QuadPart = chunkSize;
 438                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 439                                                                                                         break;
 440                                                                                                 }
 441                                                                                                 default: {
 442                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 443                                                                                                         liMove.QuadPart = chunkSize;
 444                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 445                                                                                                         break;
 446                                                                                                 }
 447                                                                                         }
 448                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 449                                                                                 } while (ListCount[0] < ListSize[0]);
 450                                                                                 break;
 451                                                                         }
 452                                                                         default: {
 453                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 454                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 455                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 456                                                                                 break;
 457                                                                         }
 458                                                                 }
 459                                                                 break;
 460                                                         }
 461                                                         default: {
 462                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 463                                                                 liMove.QuadPart = chunkSize;
 464                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 465                                                                 break;
 466                                                         }
 467                                                 }
 468                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 469                                         } while (StreamCount < StreamSize);
 470                                         break;
 471                                 }
 472                                 default: {
 473                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 474                                         liMove.QuadPart = StreamSize;
 475                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 476                                         return E_FAIL;
 477                                 }
 478                         }
 479                         TRACE_(dmfile)(": reading finished\n");
 480                         break;
 481                 }
 482                 default: {
 483                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 484                         liMove.QuadPart = chunkSize;
 485                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 486                         return E_FAIL;
 487                 }
 488         }
 489
 490         return S_OK;
 491 }
 492
 493 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 494         return E_NOTIMPL;
 495 }
 496
 497 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 498         return E_NOTIMPL;
 499 }
 500
 501 IPersistStreamVtbl DirectMusicChordMap_PersistStream_Vtbl = {
 502         IDirectMusicChordMapImpl_IPersistStream_QueryInterface,
 503         IDirectMusicChordMapImpl_IPersistStream_AddRef,
 504         IDirectMusicChordMapImpl_IPersistStream_Release,
 505         IDirectMusicChordMapImpl_IPersistStream_GetClassID,
 506         IDirectMusicChordMapImpl_IPersistStream_IsDirty,
 507         IDirectMusicChordMapImpl_IPersistStream_Load,
 508         IDirectMusicChordMapImpl_IPersistStream_Save,
 509         IDirectMusicChordMapImpl_IPersistStream_GetSizeMax
 510 };
 511
 512 /* for ClassFactory */
 513 HRESULT WINAPI DMUSIC_CreateDirectMusicChordMapImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 514         IDirectMusicChordMapImpl* obj;
 515
 516         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordMapImpl));
 517         if (NULL == obj) {
 518                 *ppobj = (LPVOID) NULL;
 519                 return E_OUTOFMEMORY;
 520         }
 521         obj->UnknownVtbl = &DirectMusicChordMap_Unknown_Vtbl;
 522         obj->ChordMapVtbl = &DirectMusicChordMap_ChordMap_Vtbl;
 523         obj->ObjectVtbl = &DirectMusicChordMap_Object_Vtbl;
 524         obj->PersistStreamVtbl = &DirectMusicChordMap_PersistStream_Vtbl;
 525         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 526         DM_STRUCT_INIT(obj->pDesc);
 527         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 528         memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof (CLSID));
 529         obj->ref = 0; /* will be inited by QueryInterface */
 530
 531         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 532 }