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