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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
  32         if (IsEqualIID (riid, &IID_IUnknown)) {
  33                 *ppobj = (LPVOID)&This->UnknownVtbl;
  34                 IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  35                 return S_OK;
  36         } else if (IsEqualIID (riid, &IID_IDirectMusicChordMap)) {
  37                 *ppobj = (LPVOID)&This->ChordMapVtbl;
  38                 IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef ((LPDIRECTMUSICCHORDMAP)&This->ChordMapVtbl);
  39                 return S_OK;
  40         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  41                 *ppobj = (LPVOID)&This->ObjectVtbl;
  42                 IDirectMusicChordMapImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
  43                 return S_OK;
  44         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  45                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
  46                 IDirectMusicChordMapImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  47                 return S_OK;
  48         }
  49
  50         WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  51         return E_NOINTERFACE;
  52 }
  53
  54 ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  55         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
  56         TRACE("(%p) : AddRef from %ld\n", This, This->ref);
  57         return ++(This->ref);
  58 }
  59
  60 ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_Release (LPUNKNOWN iface) {
  61         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
  62         ULONG ref = --This->ref;
  63         TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
  64         if (ref == 0) {
  65                 HeapFree(GetProcessHeap(), 0, This);
  66         }
  67         return ref;
  68 }
  69
  70 ICOM_VTABLE(IUnknown) DirectMusicChordMap_Unknown_Vtbl = {
  71     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  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 ICOM_VTABLE(IDirectMusicChordMap) DirectMusicChordMap_ChordMap_Vtbl = {
 100     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 101         IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface,
 102         IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef,
 103         IDirectMusicChordMapImpl_IDirectMusicChordMap_Release,
 104         IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale
 105 };
 106
 107 /* IDirectMusicChordMapImpl IDirectMusicObject part: */
 108 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 109         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 110         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 111 }
 112
 113 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 114         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 115         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 116 }
 117
 118 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 119         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 120         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 121 }
 122
 123 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 124         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 125         TRACE("(%p, %p)\n", This, pDesc);
 126         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 127         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 128         return S_OK;
 129 }
 130
 131 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 132         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
 133         TRACE("(%p, %p): setting descriptor:\n", This, pDesc);
 134         if (TRACE_ON(dmcompos)) {
 135                 DMUSIC_dump_DMUS_OBJECTDESC (pDesc);
 136         }
 137
 138         /* According to MSDN, we should copy only given values, not whole struct */
 139         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 140                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
 141         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 142                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
 143         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 144                 strncpyW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 145         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 146                 strncpyW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 147         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 148                 strncpyW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 149         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 150                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
 151         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 152                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
 153         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 154                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
 155                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
 156         }
 157         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 158                 /* according to MSDN, we copy the stream */
 159                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 160         }
 161
 162         /* add new flags */
 163         This->pDesc->dwValidData |= pDesc->dwValidData;
 164
 165         return S_OK;
 166 }
 167
 168 HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 169         DMUS_PRIVATE_CHUNK Chunk;
 170         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 171         LARGE_INTEGER liMove; /* used when skipping chunks */
 172
 173         TRACE("(%p, %p)\n", pStream, pDesc);
 174
 175         /* FIXME: should this be determined from stream? */
 176         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 177         memcpy (&pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof(CLSID));
 178
 179         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 180         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 181         switch (Chunk.fccID) {
 182                 case FOURCC_RIFF: {
 183                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 184                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 185                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 186                         StreamCount = 0;
 187                         if (Chunk.fccID == DMUS_FOURCC_CHORDMAP_FORM) {
 188                                 TRACE_(dmfile)(": chord map form\n");
 189                                 do {
 190                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 191                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 192                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 193                                         switch (Chunk.fccID) {
 194                                                 case DMUS_FOURCC_GUID_CHUNK: {
 195                                                         TRACE_(dmfile)(": GUID chunk\n");
 196                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 197                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 198                                                         break;
 199                                                 }
 200                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 201                                                         TRACE_(dmfile)(": version chunk\n");
 202                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 203                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 204                                                         break;
 205                                                 }
 206                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 207                                                         TRACE_(dmfile)(": category chunk\n");
 208                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 209                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 210                                                         break;
 211                                                 }
 212                                                 case FOURCC_LIST: {
 213                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 214                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 215                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 216                                                         ListCount[0] = 0;
 217                                                         switch (Chunk.fccID) {
 218                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 219                                                                 case DMUS_FOURCC_UNFO_LIST: {
 220                                                                         TRACE_(dmfile)(": UNFO list\n");
 221                                                                         do {
 222                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 223                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 224                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 225                                                                                 switch (Chunk.fccID) {
 226                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 227                                              (though strings seem to be valid unicode) */
 228                                                                                         case mmioFOURCC('I','N','A','M'):
 229                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 230                                                                                                 TRACE_(dmfile)(": name chunk\n");
 231                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 232                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 233                                                                                                 break;
 234                                                                                         }
 235                                                                                         case mmioFOURCC('I','A','R','T'):
 236                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 237                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 238                                                                                                 liMove.QuadPart = Chunk.dwSize;
 239                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 240                                                                                                 break;
 241                                                                                         }
 242                                                                                         case mmioFOURCC('I','C','O','P'):
 243                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 244                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 245                                                                                                 liMove.QuadPart = Chunk.dwSize;
 246                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 247                                                                                                 break;
 248                                                                                         }
 249                                                                                         case mmioFOURCC('I','S','B','J'):
 250                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 251                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 252                                                                                                 liMove.QuadPart = Chunk.dwSize;
 253                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 254                                                                                                 break;
 255                                                                                         }
 256                                                                                         case mmioFOURCC('I','C','M','T'):
 257                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 258                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 259                                                                                                 liMove.QuadPart = Chunk.dwSize;
 260                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 261                                                                                                 break;
 262                                                                                         }
 263                                                                                         default: {
 264                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 265                                                                                                 liMove.QuadPart = Chunk.dwSize;
 266                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 267                                                                                                 break;
 268                                                                                         }
 269                                                                                 }
 270                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 271                                                                         } while (ListCount[0] < ListSize[0]);
 272                                                                         break;
 273                                                                 }
 274                                                                 default: {
 275                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 276                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 277                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 278                                                                         break;
 279                                                                 }
 280                                                         }
 281                                                         break;
 282                                                 }
 283                                                 default: {
 284                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 285                                                         liMove.QuadPart = Chunk.dwSize;
 286                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 287                                                         break;
 288                                                 }
 289                                         }
 290                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 291                                 } while (StreamCount < StreamSize);
 292                                 break;
 293                         } else {
 294                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 295                                 liMove.QuadPart = StreamSize;
 296                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 297                                 return E_FAIL;
 298                         }
 299
 300                         TRACE_(dmfile)(": reading finished\n");
 301                         break;
 302                 }
 303                 default: {
 304                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 305                         liMove.QuadPart = Chunk.dwSize;
 306                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 307                         return DMUS_E_INVALIDFILE;
 308                 }
 309         }
 310
 311         TRACE(": returning descriptor:\n");
 312         if (TRACE_ON(dmcompos)) {
 313                 DMUSIC_dump_DMUS_OBJECTDESC (pDesc);
 314         }
 315
 316         return S_OK;
 317 }
 318
 319 ICOM_VTABLE(IDirectMusicObject) DirectMusicChordMap_Object_Vtbl = {
 320     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 321         IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface,
 322         IDirectMusicChordMapImpl_IDirectMusicObject_AddRef,
 323         IDirectMusicChordMapImpl_IDirectMusicObject_Release,
 324         IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor,
 325         IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor,
 326         IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor
 327 };
 328
 329
 330 /* IDirectMusicChordMapImpl IPersistStream part: */
 331 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 332         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 333         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 334 }
 335
 336 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 337         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 338         return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 339 }
 340
 341 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 342         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 343         return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 344 }
 345
 346 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 347         return E_NOTIMPL;
 348 }
 349
 350 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 351         return E_NOTIMPL;
 352 }
 353
 354 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 355         ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
 356
 357         FOURCC chunkID;
 358         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 359         LARGE_INTEGER liMove; /* used when skipping chunks */
 360
 361         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 362         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 363         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 364         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 365         switch (chunkID) {
 366                 case FOURCC_RIFF: {
 367                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 368                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 369                         StreamSize = chunkSize - sizeof(FOURCC);
 370                         StreamCount = 0;
 371                         switch (chunkID) {
 372                                 case DMUS_FOURCC_CHORDMAP_FORM: {
 373                                         TRACE_(dmfile)(": chordmap form\n");
 374                                         do {
 375                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 376                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 377                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 378                                                 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 379                                                 switch (chunkID) {
 380                                                         case DMUS_FOURCC_GUID_CHUNK: {
 381                                                                 TRACE_(dmfile)(": GUID chunk\n");
 382                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 383                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 384                                                                 break;
 385                                                         }
 386                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 387                                                                 TRACE_(dmfile)(": version chunk\n");
 388                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 389                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 390                                                                 break;
 391                                                         }
 392                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 393                                                                 TRACE_(dmfile)(": category chunk\n");
 394                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 395                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 396                                                                 break;
 397                                                         }
 398                                                         case FOURCC_LIST: {
 399                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 400                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 401                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 402                                                                 ListCount[0] = 0;
 403                                                                 switch (chunkID) {
 404                                                                         case DMUS_FOURCC_UNFO_LIST: {
 405                                                                                 TRACE_(dmfile)(": UNFO list\n");
 406                                                                                 do {
 407                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 408                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 409                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 410                                                                                         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 411                                                                                         switch (chunkID) {
 412                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 413                                               (though strings seem to be valid unicode) */
 414                                                                                                 case mmioFOURCC('I','N','A','M'):
 415                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 416                                                                                                         TRACE_(dmfile)(": name chunk\n");
 417                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 418                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 419                                                                                                         break;
 420                                                                                                 }
 421                                                                                                 case mmioFOURCC('I','A','R','T'):
 422                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 423                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 424                                                                                                         liMove.QuadPart = chunkSize;
 425                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 426                                                                                                         break;
 427                                                                                                 }
 428                                                                                                 case mmioFOURCC('I','C','O','P'):
 429                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 430                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 431                                                                                                         liMove.QuadPart = chunkSize;
 432                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 433                                                                                                         break;
 434                                                                                                 }
 435                                                                                                 case mmioFOURCC('I','S','B','J'):
 436                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 437                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 438                                                                                                         liMove.QuadPart = chunkSize;
 439                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 440                                                                                                         break;
 441                                                                                                 }
 442                                                                                                 case mmioFOURCC('I','C','M','T'):
 443                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 444                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 445                                                                                                         liMove.QuadPart = chunkSize;
 446                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 447                                                                                                         break;
 448                                                                                                 }
 449                                                                                                 default: {
 450                                                                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 451                                                                                                         liMove.QuadPart = chunkSize;
 452                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 453                                                                                                         break;
 454                                                                                                 }
 455                                                                                         }
 456                                                                                         TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
 457                                                                                 } while (ListCount[0] < ListSize[0]);
 458                                                                                 break;
 459                                                                         }
 460                                                                         default: {
 461                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 462                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 463                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 464                                                                                 break;
 465                                                                         }
 466                                                                 }
 467                                                                 break;
 468                                                         }
 469                                                         default: {
 470                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
 471                                                                 liMove.QuadPart = chunkSize;
 472                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 473                                                                 break;
 474                                                         }
 475                                                 }
 476                                                 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
 477                                         } while (StreamCount < StreamSize);
 478                                         break;
 479                                 }
 480                                 default: {
 481                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 482                                         liMove.QuadPart = StreamSize;
 483                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 484                                         return E_FAIL;
 485                                 }
 486                         }
 487                         TRACE_(dmfile)(": reading finished\n");
 488                         break;
 489                 }
 490                 default: {
 491                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 492                         liMove.QuadPart = chunkSize;
 493                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 494                         return E_FAIL;
 495                 }
 496         }
 497
 498         return S_OK;
 499 }
 500
 501 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 502         return E_NOTIMPL;
 503 }
 504
 505 HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 506         return E_NOTIMPL;
 507 }
 508
 509 ICOM_VTABLE(IPersistStream) DirectMusicChordMap_PersistStream_Vtbl = {
 510     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 511         IDirectMusicChordMapImpl_IPersistStream_QueryInterface,
 512         IDirectMusicChordMapImpl_IPersistStream_AddRef,
 513         IDirectMusicChordMapImpl_IPersistStream_Release,
 514         IDirectMusicChordMapImpl_IPersistStream_GetClassID,
 515         IDirectMusicChordMapImpl_IPersistStream_IsDirty,
 516         IDirectMusicChordMapImpl_IPersistStream_Load,
 517         IDirectMusicChordMapImpl_IPersistStream_Save,
 518         IDirectMusicChordMapImpl_IPersistStream_GetSizeMax
 519 };
 520
 521 /* for ClassFactory */
 522 HRESULT WINAPI DMUSIC_CreateDirectMusicChordMapImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 523         IDirectMusicChordMapImpl* obj;
 524
 525         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordMapImpl));
 526         if (NULL == obj) {
 527                 *ppobj = (LPVOID) NULL;
 528                 return E_OUTOFMEMORY;
 529         }
 530         obj->UnknownVtbl = &DirectMusicChordMap_Unknown_Vtbl;
 531         obj->ChordMapVtbl = &DirectMusicChordMap_ChordMap_Vtbl;
 532         obj->ObjectVtbl = &DirectMusicChordMap_Object_Vtbl;
 533         obj->PersistStreamVtbl = &DirectMusicChordMap_PersistStream_Vtbl;
 534         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 535         DM_STRUCT_INIT(obj->pDesc);
 536         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 537         memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof (CLSID));
 538         obj->ref = 0; /* will be inited by QueryInterface */
 539
 540         return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 541 }