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   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
  59         DMCOMPOS_LockModule();
  60
  61         return ++(This->ref);
  62 }
  63
  64 ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_Release (LPUNKNOWN iface) {
  65         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
  66         ULONG ref = --This->ref;
  67         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
  68
  69         if (ref == 0) {
  70                 HeapFree(GetProcessHeap(), 0, This);
  71         }
  72
  73         DMCOMPOS_UnlockModule();
  74
  75         return ref;
  76 }
  77
  78 IUnknownVtbl DirectMusicChordMap_Unknown_Vtbl = {
  79         IDirectMusicChordMapImpl_IUnknown_QueryInterface,
  80         IDirectMusicChordMapImpl_IUnknown_AddRef,
  81         IDirectMusicChordMapImpl_IUnknown_Release
  82 };
  83
  84 /* IDirectMusicChordMapImpl IDirectMusicChordMap part: */
  85 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface (LPDIRECTMUSICCHORDMAP iface, REFIID riid, LPVOID *ppobj) {
  86         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  87         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  88 }
  89
  90 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef (LPDIRECTMUSICCHORDMAP iface) {
  91         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  92         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  93 }
  94
  95 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_Release (LPDIRECTMUSICCHORDMAP iface) {
  96         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
  97         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  98 }
  99
 100 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale (LPDIRECTMUSICCHORDMAP iface, DWORD* pdwScale) {
 101         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
 102         FIXME("(%p, %p): stub\n", This, pdwScale);
 103         return S_OK;
 104 }
 105
 106 IDirectMusicChordMapVtbl DirectMusicChordMap_ChordMap_Vtbl = {
 107         IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface,
 108         IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef,
 109         IDirectMusicChordMapImpl_IDirectMusicChordMap_Release,
 110         IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale
 111 };
 112
 113 /* IDirectMusicChordMapImpl IDirectMusicObject part: */
 114 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 115         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 116         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 117 }
 118
 119 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 120         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 121         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 122 }
 123
 124 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 125         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 126         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 127 }
 128
 129 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 130         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 131         TRACE("(%p, %p)\n", This, pDesc);
 132         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 133         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 134         return S_OK;
 135 }
 136
 137 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 138         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 139         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 140
 141         /* According to MSDN, we should copy only given values, not whole struct */
 142         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 143                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 144         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 145                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 146         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 147                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 148         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 149                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 150         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 151                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 152         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 153                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 154         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 155                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 156         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 157                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 158                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 159         }
 160         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 161                 /* according to MSDN, we copy the stream */
 162                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 163         }
 164
 165         /* add new flags */
 166         This->pDesc->dwValidData |= pDesc->dwValidData;
 167
 168         return S_OK;
 169 }
 170
 171 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 172         DMUS_PRIVATE_CHUNK Chunk;
 173         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 174         LARGE_INTEGER liMove; /* used when skipping chunks */
 175
 176         TRACE("(%p, %p)\n", pStream, pDesc);
 177
 178         /* FIXME: should this be determined from stream? */
 179         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 180         memcpy (&pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof(CLSID));
 181
 182         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 183         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 184         switch (Chunk.fccID) {
 185                 case FOURCC_RIFF: {
 186                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 187                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 188                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 189                         StreamCount = 0;
 190                         if (Chunk.fccID == DMUS_FOURCC_CHORDMAP_FORM) {
 191                                 TRACE_(dmfile)(": chord map form\n");
 192                                 do {
 193                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 194                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 195                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 196                                         switch (Chunk.fccID) {
 197                                                 case DMUS_FOURCC_GUID_CHUNK: {
 198                                                         TRACE_(dmfile)(": GUID chunk\n");
 199                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 200                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 201                                                         break;
 202                                                 }
 203                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 204                                                         TRACE_(dmfile)(": version chunk\n");
 205                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 206                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 207                                                         break;
 208                                                 }
 209                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 210                                                         TRACE_(dmfile)(": category chunk\n");
 211                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 212                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 213                                                         break;
 214                                                 }
 215                                                 case FOURCC_LIST: {
 216                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 217                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 218                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 219                                                         ListCount[0] = 0;
 220                                                         switch (Chunk.fccID) {
 221                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 222                                                                 case DMUS_FOURCC_UNFO_LIST: {
 223                                                                         TRACE_(dmfile)(": UNFO list\n");
 224                                                                         do {
 225                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 226                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 227                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 228                                                                                 switch (Chunk.fccID) {
 229                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 230                                              (though strings seem to be valid unicode) */
 231                                                                                         case mmioFOURCC('I','N','A','M'):
 232                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 233                                                                                                 TRACE_(dmfile)(": name chunk\n");
 234                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 235                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 236                                                                                                 break;
 237                                                                                         }
 238                                                                                         case mmioFOURCC('I','A','R','T'):
 239                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 240                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 241                                                                                                 liMove.QuadPart = Chunk.dwSize;
 242                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 243                                                                                                 break;
 244                                                                                         }
 245                                                                                         case mmioFOURCC('I','C','O','P'):
 246                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 247                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 248                                                                                                 liMove.QuadPart = Chunk.dwSize;
 249                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 250                                                                                                 break;
 251                                                                                         }
 252                                                                                         case mmioFOURCC('I','S','B','J'):
 253                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 254                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 255                                                                                                 liMove.QuadPart = Chunk.dwSize;
 256                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 257                                                                                                 break;
 258                                                                                         }
 259                                                                                         case mmioFOURCC('I','C','M','T'):
 260                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 261                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 262                                                                                                 liMove.QuadPart = Chunk.dwSize;
 263                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 264                                                                                                 break;
 265                                                                                         }
 266                                                                                         default: {
 267                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 268                                                                                                 liMove.QuadPart = Chunk.dwSize;
 269                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 270                                                                                                 break;
 271                                                                                         }
 272                                                                                 }
 273                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 274                                                                         } while (ListCount[0] < ListSize[0]);
 275                                                                         break;
 276                                                                 }
 277                                                                 default: {
 278                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 279                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 280                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 281                                                                         break;
 282                                                                 }
 283                                                         }
 284                                                         break;
 285                                                 }
 286                                                 default: {
 287                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 288                                                         liMove.QuadPart = Chunk.dwSize;
 289                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 290                                                         break;
 291                                                 }
 292                                         }
 293                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 294                                 } while (StreamCount < StreamSize);
 295                                 break;
 296                         } else {
 297                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 298                                 liMove.QuadPart = StreamSize;
 299                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 300                                 return E_FAIL;
 301                         }
 302
 303                         TRACE_(dmfile)(": reading finished\n");
 304                         break;
 305                 }
 306                 default: {
 307                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 308                         liMove.QuadPart = Chunk.dwSize;
 309                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 310                         return DMUS_E_INVALIDFILE;
 311                 }
 312         }
 313
 314         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 315
 316         return S_OK;
 317 }
 318
 319 IDirectMusicObjectVtbl DirectMusicChordMap_Object_Vtbl = {
 320         IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface,
 321         IDirectMusicChordMapImpl_IDirectMusicObject_AddRef,
 322         IDirectMusicChordMapImpl_IDirectMusicObject_Release,
 323         IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor,
 324         IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor,
 325         IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor
 326 };
 327
 328
 329 /* IDirectMusicChordMapImpl IPersistStream part: */
 330 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 331         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 332         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 333 }
 334
 335 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 336         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 337         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 338 }
 339
 340 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 341         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 342         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 343 }
 344
 345 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 346         return E_NOTIMPL;
 347 }
 348
 349 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 350         return E_NOTIMPL;
 351 }
 352
 353 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 354         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 355
 356         FOURCC chunkID;
 357         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 358         LARGE_INTEGER liMove; /* used when skipping chunks */
 359
 360         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 361         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 362         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 363         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 364         switch (chunkID) {
 365                 case FOURCC_RIFF: {
 366                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 367                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 368                         StreamSize = chunkSize - sizeof(FOURCC);
 369                         StreamCount = 0;
 370                         switch (chunkID) {
 371                                 case DMUS_FOURCC_CHORDMAP_FORM: {
 372                                         TRACE_(dmfile)(": chordmap form\n");
 373                                         do {
 374                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 375                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 376                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 377                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 378                                                 switch (chunkID) {
 379                                                         case DMUS_FOURCC_GUID_CHUNK: {
 380                                                                 TRACE_(dmfile)(": GUID chunk\n");
 381                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 382                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 383                                                                 break;
 384                                                         }
 385                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 386                                                                 TRACE_(dmfile)(": version chunk\n");
 387                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 388                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 389                                                                 break;
 390                                                         }
 391                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 392                                                                 TRACE_(dmfile)(": category chunk\n");
 393                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 394                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 395                                                                 break;
 396                                                         }
 397                                                         case FOURCC_LIST: {
 398                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 399                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 400                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 401                                                                 ListCount[0] = 0;
 402                                                                 switch (chunkID) {
 403                                                                         case DMUS_FOURCC_UNFO_LIST: {
 404                                                                                 TRACE_(dmfile)(": UNFO list\n");
 405                                                                                 do {
 406                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 407                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 408                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 409                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 410                                                                                         switch (chunkID) {
 411                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 412                                               (though strings seem to be valid unicode) */
 413                                                                                                 case mmioFOURCC('I','N','A','M'):
 414                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 415                                                                                                         TRACE_(dmfile)(": name chunk\n");
 416                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 417                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 418                                                                                                         break;
 419                                                                                                 }
 420                                                                                                 case mmioFOURCC('I','A','R','T'):
 421                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 422                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 423                                                                                                         liMove.QuadPart = chunkSize;
 424                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 425                                                                                                         break;
 426                                                                                                 }
 427                                                                                                 case mmioFOURCC('I','C','O','P'):
 428                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 429                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 430                                                                                                         liMove.QuadPart = chunkSize;
 431                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 432                                                                                                         break;
 433                                                                                                 }
 434                                                                                                 case mmioFOURCC('I','S','B','J'):
 435                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 436                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 437                                                                                                         liMove.QuadPart = chunkSize;
 438                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 439                                                                                                         break;
 440                                                                                                 }
 441                                                                                                 case mmioFOURCC('I','C','M','T'):
 442                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 443                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 444                                                                                                         liMove.QuadPart = chunkSize;
 445                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 446                                                                                                         break;
 447                                                                                                 }
 448                                                                                                 default: {
 449                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 450                                                                                                         liMove.QuadPart = chunkSize;
 451                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 452                                                                                                         break;
 453                                                                                                 }
 454                                                                                         }
 455                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 456                                                                                 } while (ListCount[0] < ListSize[0]);
 457                                                                                 break;
 458                                                                         }
 459                                                                         default: {
 460                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 461                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 462                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 463                                                                                 break;
 464                                                                         }
 465                                                                 }
 466                                                                 break;
 467                                                         }
 468                                                         default: {
 469                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 470                                                                 liMove.QuadPart = chunkSize;
 471                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 472                                                                 break;
 473                                                         }
 474                                                 }
 475                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 476                                         } while (StreamCount < StreamSize);
 477                                         break;
 478                                 }
 479                                 default: {
 480                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 481                                         liMove.QuadPart = StreamSize;
 482                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 483                                         return E_FAIL;
 484                                 }
 485                         }
 486                         TRACE_(dmfile)(": reading finished\n");
 487                         break;
 488                 }
 489                 default: {
 490                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 491                         liMove.QuadPart = chunkSize;
 492                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 493                         return E_FAIL;
 494                 }
 495         }
 496
 497         return S_OK;
 498 }
 499
 500 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 501         return E_NOTIMPL;
 502 }
 503
 504 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 505         return E_NOTIMPL;
 506 }
 507
 508 IPersistStreamVtbl DirectMusicChordMap_PersistStream_Vtbl = {
 509         IDirectMusicChordMapImpl_IPersistStream_QueryInterface,
 510         IDirectMusicChordMapImpl_IPersistStream_AddRef,
 511         IDirectMusicChordMapImpl_IPersistStream_Release,
 512         IDirectMusicChordMapImpl_IPersistStream_GetClassID,
 513         IDirectMusicChordMapImpl_IPersistStream_IsDirty,
 514         IDirectMusicChordMapImpl_IPersistStream_Load,
 515         IDirectMusicChordMapImpl_IPersistStream_Save,
 516         IDirectMusicChordMapImpl_IPersistStream_GetSizeMax
 517 };
 518
 519 /* for ClassFactory */
 520 HRESULT WINAPI DMUSIC_CreateDirectMusicChordMapImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 521         IDirectMusicChordMapImpl* obj;
 522
 523         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordMapImpl));
 524         if (NULL == obj) {
 525                 *ppobj = NULL;
 526                 return E_OUTOFMEMORY;
 527         }
 528         obj->UnknownVtbl = &DirectMusicChordMap_Unknown_Vtbl;
 529         obj->ChordMapVtbl = &DirectMusicChordMap_ChordMap_Vtbl;
 530         obj->ObjectVtbl = &DirectMusicChordMap_Object_Vtbl;
 531         obj->PersistStreamVtbl = &DirectMusicChordMap_PersistStream_Vtbl;
 532         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 533         DM_STRUCT_INIT(obj->pDesc);
 534         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 535         memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof (CLSID));
 536         obj->ref = 0; /* will be inited by QueryInterface */
 537
 538         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 539 }