dlls/dmime/audiopath.c

   1 /* IDirectMusicAudioPath Implementation
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "dmime_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmime);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 /*****************************************************************************
  26  * IDirectMusicAudioPathImpl implementation
  27  */
  28 /* IDirectMusicAudioPath IUnknown part: */
  29 static HRESULT WINAPI IDirectMusicAudioPathImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  30         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, UnknownVtbl, iface);
  31         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  32
  33         if (IsEqualIID (riid, &IID_IUnknown)) {
  34                 *ppobj = &This->UnknownVtbl;
  35                 IUnknown_AddRef (iface);
  36                 return S_OK;
  37         } else if (IsEqualIID (riid, &IID_IDirectMusicAudioPath)) {
  38                 *ppobj = &This->AudioPathVtbl;
  39                 IUnknown_AddRef (iface);
  40                 return S_OK;
  41         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
  42                 *ppobj = &This->ObjectVtbl;
  43                 IUnknown_AddRef (iface);
  44                 return S_OK;
  45         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  46                 *ppobj = &This->PersistStreamVtbl;
  47                 IUnknown_AddRef (iface);
  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 static ULONG WINAPI IDirectMusicAudioPathImpl_IUnknown_AddRef (LPUNKNOWN iface) {
  56         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, UnknownVtbl, iface);
  57         ULONG ref = InterlockedIncrement(&This->ref);
  58
  59         TRACE("(%p): AddRef from %d\n", This, ref - 1);
  60
  61         DMIME_LockModule();
  62
  63         return ref;
  64 }
  65
  66 static ULONG WINAPI IDirectMusicAudioPathImpl_IUnknown_Release (LPUNKNOWN iface) {
  67   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, UnknownVtbl, iface);
  68   ULONG ref = InterlockedDecrement(&This->ref);
  69   TRACE("(%p): ReleaseRef to %d\n", This, ref);
  70
  71   if (ref == 0) {
  72     if (This->pDSBuffer) {
  73       IDirectSoundBuffer8_Release(This->pDSBuffer);
  74     }
  75     HeapFree(GetProcessHeap(), 0, This);
  76   }
  77
  78   DMIME_UnlockModule();
  79
  80   return ref;
  81 }
  82
  83 static const IUnknownVtbl DirectMusicAudioPath_Unknown_Vtbl = {
  84         IDirectMusicAudioPathImpl_IUnknown_QueryInterface,
  85         IDirectMusicAudioPathImpl_IUnknown_AddRef,
  86         IDirectMusicAudioPathImpl_IUnknown_Release
  87 };
  88
  89 /* IDirectMusicAudioPathImpl IDirectMusicAudioPath part: */
  90 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_QueryInterface (LPDIRECTMUSICAUDIOPATH iface, REFIID riid, LPVOID *ppobj) {
  91         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
  92         return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  93 }
  94
  95 static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_AddRef (LPDIRECTMUSICAUDIOPATH iface) {
  96         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
  97         return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  98 }
  99
 100 static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Release (LPDIRECTMUSICAUDIOPATH iface) {
 101         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
 102         return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 103 }
 104
 105 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectInPath (LPDIRECTMUSICAUDIOPATH iface, DWORD dwPChannel, DWORD dwStage, DWORD dwBuffer, REFGUID guidObject, WORD dwIndex, REFGUID iidInterface, void** ppObject) {
 106         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
 107
 108         FIXME("(%p, %d, %d, %d, %s, %d, %s, %p): stub\n", This, dwPChannel, dwStage, dwBuffer, debugstr_dmguid(guidObject), dwIndex, debugstr_dmguid(iidInterface), ppObject);
 109
 110         switch (dwStage) {
 111         case DMUS_PATH_BUFFER:
 112           {
 113             if (IsEqualIID (iidInterface, &IID_IDirectSoundBuffer8)) {
 114               IDirectSoundBuffer8_QueryInterface (This->pDSBuffer, &IID_IDirectSoundBuffer8, ppObject);
 115               TRACE("returning %p\n",*ppObject);
 116               return S_OK;
 117             } else if (IsEqualIID (iidInterface, &IID_IDirectSound3DBuffer)) {
 118               IDirectSoundBuffer8_QueryInterface (This->pDSBuffer, &IID_IDirectSound3DBuffer, ppObject);
 119               TRACE("returning %p\n",*ppObject);
 120               return S_OK;
 121             } else {
 122               FIXME("Bad iid\n");
 123             }
 124           }
 125           break;
 126
 127         case DMUS_PATH_PRIMARY_BUFFER: {
 128           if (IsEqualIID (iidInterface, &IID_IDirectSound3DListener)) {
 129             IDirectSoundBuffer8_QueryInterface (This->pPrimary, &IID_IDirectSound3DListener, ppObject);
 130             return S_OK;
 131           } else {
 132             FIXME("bad iid...\n");
 133           }
 134         }
 135         break;
 136
 137         case DMUS_PATH_AUDIOPATH_GRAPH:
 138           {
 139             if (IsEqualIID (iidInterface, &IID_IDirectMusicGraph)) {
 140               if (NULL == This->pToolGraph) {
 141                 IDirectMusicGraphImpl* pGraph;
 142                 DMUSIC_CreateDirectMusicGraphImpl (&IID_IDirectMusicGraph, (LPVOID*)&pGraph, NULL);
 143                 This->pToolGraph = (IDirectMusicGraph*) pGraph;
 144               }
 145               *ppObject = This->pToolGraph;
 146               IDirectMusicGraph_AddRef((LPDIRECTMUSICGRAPH) *ppObject);
 147               return S_OK;
 148             }
 149           }
 150           break;
 151
 152         case DMUS_PATH_AUDIOPATH_TOOL:
 153           {
 154             /* TODO */
 155           }
 156           break;
 157
 158         case DMUS_PATH_PERFORMANCE:
 159           {
 160             /* TODO check wanted GUID */
 161             *ppObject = This->pPerf;
 162             IUnknown_AddRef((LPUNKNOWN) *ppObject);
 163             return S_OK;
 164           }
 165           break;
 166
 167         case DMUS_PATH_PERFORMANCE_GRAPH:
 168           {
 169             IDirectMusicGraph* pPerfoGraph = NULL;
 170             IDirectMusicPerformance8_GetGraph(This->pPerf, &pPerfoGraph);
 171             if (NULL == pPerfoGraph) {
 172               IDirectMusicGraphImpl* pGraph = NULL;
 173               DMUSIC_CreateDirectMusicGraphImpl (&IID_IDirectMusicGraph, (LPVOID*)&pGraph, NULL);
 174               IDirectMusicPerformance8_SetGraph(This->pPerf, (IDirectMusicGraph*) pGraph);
 175               /* we need release as SetGraph do an AddRef */
 176               IDirectMusicGraph_Release((LPDIRECTMUSICGRAPH) pGraph);
 177               pPerfoGraph = (LPDIRECTMUSICGRAPH) pGraph;
 178             }
 179             *ppObject = pPerfoGraph;
 180             return S_OK;
 181           }
 182           break;
 183
 184         case DMUS_PATH_PERFORMANCE_TOOL:
 185         default:
 186           break;
 187         }
 188
 189         *ppObject = NULL;
 190         return E_INVALIDARG;
 191 }
 192
 193 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Activate (LPDIRECTMUSICAUDIOPATH iface, BOOL fActivate) {
 194   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
 195   FIXME("(%p, %d): stub\n", This, fActivate);
 196   if (!fActivate) {
 197     if (!This->fActive) return S_OK;
 198     This->fActive = FALSE;
 199   } else {
 200     if (This->fActive) return S_OK;
 201     This->fActive = TRUE;
 202     if (NULL != This->pDSBuffer) {
 203       IDirectSoundBuffer_Stop(This->pDSBuffer);
 204     }
 205   }
 206   return S_OK;
 207 }
 208
 209 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_SetVolume (LPDIRECTMUSICAUDIOPATH iface, LONG lVolume, DWORD dwDuration) {
 210   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
 211   FIXME("(%p, %i, %d): stub\n", This, lVolume, dwDuration);
 212   return S_OK;
 213 }
 214
 215 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_ConvertPChannel (LPDIRECTMUSICAUDIOPATH iface, DWORD dwPChannelIn, DWORD* pdwPChannelOut) {
 216   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, AudioPathVtbl, iface);
 217   FIXME("(%p, %d, %p): stub\n", This, dwPChannelIn, pdwPChannelOut);
 218   return S_OK;
 219 }
 220
 221 static const IDirectMusicAudioPathVtbl DirectMusicAudioPath_AudioPath_Vtbl = {
 222   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_QueryInterface,
 223   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_AddRef,
 224   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Release,
 225   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectInPath,
 226   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_Activate,
 227   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_SetVolume,
 228   IDirectMusicAudioPathImpl_IDirectMusicAudioPath_ConvertPChannel
 229 };
 230
 231 /* IDirectMusicAudioPathImpl IDirectMusicObject part: */
 232 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
 233   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
 234   return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 235 }
 236
 237 static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
 238   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
 239   return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 240 }
 241
 242 static ULONG WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
 243   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
 244   return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 245 }
 246
 247 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 248   ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
 249   TRACE("(%p, %p)\n", This, pDesc);
 250   /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
 251   memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 252   return S_OK;
 253 }
 254
 255 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
 256         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
 257         TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
 258
 259         /* According to MSDN, we should copy only given values, not whole struct */
 260         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
 261                 This->pDesc->guidObject = pDesc->guidObject;
 262         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
 263                 This->pDesc->guidClass = pDesc->guidClass;
 264         if (pDesc->dwValidData & DMUS_OBJ_NAME)
 265                 lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
 266         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
 267                 lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
 268         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
 269                 lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
 270         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
 271                 This->pDesc->vVersion = pDesc->vVersion;
 272         if (pDesc->dwValidData & DMUS_OBJ_DATE)
 273                 This->pDesc->ftDate = pDesc->ftDate;
 274         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
 275                 This->pDesc->llMemLength = pDesc->llMemLength;
 276                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, pDesc->llMemLength);
 277         }
 278         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
 279                 /* according to MSDN, we copy the stream */
 280                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
 281         }
 282
 283         /* add new flags */
 284         This->pDesc->dwValidData |= pDesc->dwValidData;
 285
 286         return S_OK;
 287 }
 288
 289 static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
 290         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, ObjectVtbl, iface);
 291         DMUS_PRIVATE_CHUNK Chunk;
 292         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
 293         LARGE_INTEGER liMove; /* used when skipping chunks */
 294
 295         TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
 296
 297         /* FIXME: should this be determined from stream? */
 298         pDesc->dwValidData |= DMUS_OBJ_CLASS;
 299         pDesc->guidClass = CLSID_DirectMusicAudioPath;
 300
 301         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 302         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 303         switch (Chunk.fccID) {
 304                 case FOURCC_RIFF: {
 305                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 306                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
 307                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
 308                         StreamCount = 0;
 309                         if (Chunk.fccID == DMUS_FOURCC_AUDIOPATH_FORM) {
 310                                 TRACE_(dmfile)(": audio path form\n");
 311                                 do {
 312                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 313                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 314                                         TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 315                                         switch (Chunk.fccID) {
 316                                                 case DMUS_FOURCC_GUID_CHUNK: {
 317                                                         TRACE_(dmfile)(": GUID chunk\n");
 318                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 319                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
 320                                                         break;
 321                                                 }
 322                                                 case DMUS_FOURCC_VERSION_CHUNK: {
 323                                                         TRACE_(dmfile)(": version chunk\n");
 324                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
 325                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
 326                                                         break;
 327                                                 }
 328                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
 329                                                         TRACE_(dmfile)(": category chunk\n");
 330                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 331                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
 332                                                         break;
 333                                                 }
 334                                                 case FOURCC_LIST: {
 335                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
 336                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
 337                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
 338                                                         ListCount[0] = 0;
 339                                                         switch (Chunk.fccID) {
 340                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
 341                                                                 case DMUS_FOURCC_UNFO_LIST: {
 342                                                                         TRACE_(dmfile)(": UNFO list\n");
 343                                                                         do {
 344                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
 345                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
 346                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
 347                                                                                 switch (Chunk.fccID) {
 348                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 349                                              (though strings seem to be valid unicode) */
 350                                                                                         case mmioFOURCC('I','N','A','M'):
 351                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
 352                                                                                                 TRACE_(dmfile)(": name chunk\n");
 353                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
 354                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
 355                                                                                                 break;
 356                                                                                         }
 357                                                                                         case mmioFOURCC('I','A','R','T'):
 358                                                                                         case DMUS_FOURCC_UART_CHUNK: {
 359                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
 360                                                                                                 liMove.QuadPart = Chunk.dwSize;
 361                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 362                                                                                                 break;
 363                                                                                         }
 364                                                                                         case mmioFOURCC('I','C','O','P'):
 365                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
 366                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
 367                                                                                                 liMove.QuadPart = Chunk.dwSize;
 368                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 369                                                                                                 break;
 370                                                                                         }
 371                                                                                         case mmioFOURCC('I','S','B','J'):
 372                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
 373                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
 374                                                                                                 liMove.QuadPart = Chunk.dwSize;
 375                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 376                                                                                                 break;
 377                                                                                         }
 378                                                                                         case mmioFOURCC('I','C','M','T'):
 379                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
 380                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
 381                                                                                                 liMove.QuadPart = Chunk.dwSize;
 382                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 383                                                                                                 break;
 384                                                                                         }
 385                                                                                         default: {
 386                                                                                                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 387                                                                                                 liMove.QuadPart = Chunk.dwSize;
 388                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 389                                                                                                 break;
 390                                                                                         }
 391                                                                                 }
 392                                                                                 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 393                                                                         } while (ListCount[0] < ListSize[0]);
 394                                                                         break;
 395                                                                 }
 396                                                                 default: {
 397                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
 398                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
 399                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 400                                                                         break;
 401                                                                 }
 402                                                         }
 403                                                         break;
 404                                                 }
 405                                                 default: {
 406                                                         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 407                                                         liMove.QuadPart = Chunk.dwSize;
 408                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
 409                                                         break;
 410                                                 }
 411                                         }
 412                                         TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 413                                 } while (StreamCount < StreamSize);
 414                         } else {
 415                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 416                                 liMove.QuadPart = StreamSize;
 417                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 418                                 return E_FAIL;
 419                         }
 420
 421                         TRACE_(dmfile)(": reading finished\n");
 422                         break;
 423                 }
 424                 default: {
 425                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 426                         liMove.QuadPart = Chunk.dwSize;
 427                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 428                         return DMUS_E_INVALIDFILE;
 429                 }
 430         }
 431
 432         TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
 433
 434         return S_OK;
 435 }
 436
 437 static const IDirectMusicObjectVtbl DirectMusicAudioPath_Object_Vtbl = {
 438         IDirectMusicAudioPathImpl_IDirectMusicObject_QueryInterface,
 439         IDirectMusicAudioPathImpl_IDirectMusicObject_AddRef,
 440         IDirectMusicAudioPathImpl_IDirectMusicObject_Release,
 441         IDirectMusicAudioPathImpl_IDirectMusicObject_GetDescriptor,
 442         IDirectMusicAudioPathImpl_IDirectMusicObject_SetDescriptor,
 443         IDirectMusicAudioPathImpl_IDirectMusicObject_ParseDescriptor
 444 };
 445
 446 /* IDirectMusicAudioPathImpl IPersistStream part: */
 447 static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 448         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
 449         return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 450 }
 451
 452 static ULONG WINAPI IDirectMusicAudioPathImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 453         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
 454         return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 455 }
 456
 457 static ULONG WINAPI IDirectMusicAudioPathImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
 458         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
 459         return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 460 }
 461
 462 static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 463         return E_NOTIMPL;
 464 }
 465
 466 static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 467         return E_NOTIMPL;
 468 }
 469
 470 static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 471         ICOM_THIS_MULTI(IDirectMusicAudioPathImpl, PersistStreamVtbl, iface);
 472
 473         FOURCC chunkID;
 474         DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
 475         LARGE_INTEGER liMove; /* used when skipping chunks */
 476
 477         FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
 478         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 479         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 480         TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 481         switch (chunkID) {
 482                 case FOURCC_RIFF: {
 483                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 484                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
 485                         StreamSize = chunkSize - sizeof(FOURCC);
 486                         StreamCount = 0;
 487                         switch (chunkID) {
 488                                 case DMUS_FOURCC_AUDIOPATH_FORM: {
 489                                         TRACE_(dmfile)(": audio path form\n");
 490                                         do {
 491                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 492                                                 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 493                                                 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 494                                                 TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 495                                                 switch (chunkID) {
 496                                                         case DMUS_FOURCC_GUID_CHUNK: {
 497                                                                 TRACE_(dmfile)(": GUID chunk\n");
 498                                                                 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
 499                                                                 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
 500                                                                 break;
 501                                                         }
 502                                                         case DMUS_FOURCC_VERSION_CHUNK: {
 503                                                                 TRACE_(dmfile)(": version chunk\n");
 504                                                                 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
 505                                                                 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
 506                                                                 break;
 507                                                         }
 508                                                         case DMUS_FOURCC_CATEGORY_CHUNK: {
 509                                                                 TRACE_(dmfile)(": category chunk\n");
 510                                                                 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
 511                                                                 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
 512                                                                 break;
 513                                                         }
 514                                                         case FOURCC_LIST: {
 515                                                                 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 516                                                                 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
 517                                                                 ListSize[0] = chunkSize - sizeof(FOURCC);
 518                                                                 ListCount[0] = 0;
 519                                                                 switch (chunkID) {
 520                                                                         case DMUS_FOURCC_UNFO_LIST: {
 521                                                                                 TRACE_(dmfile)(": UNFO list\n");
 522                                                                                 do {
 523                                                                                         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 524                                                                                         IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
 525                                                                                         ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
 526                                                                                         TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
 527                                                                                         switch (chunkID) {
 528                                                                                                 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
 529                                               (though strings seem to be valid unicode) */
 530                                                                                                 case mmioFOURCC('I','N','A','M'):
 531                                                                                                 case DMUS_FOURCC_UNAM_CHUNK: {
 532                                                                                                         TRACE_(dmfile)(": name chunk\n");
 533                                                                                                         This->pDesc->dwValidData |= DMUS_OBJ_NAME;
 534                                                                                                         IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
 535                                                                                                         break;
 536                                                                                                 }
 537                                                                                                 case mmioFOURCC('I','A','R','T'):
 538                                                                                                 case DMUS_FOURCC_UART_CHUNK: {
 539                                                                                                         TRACE_(dmfile)(": artist chunk (ignored)\n");
 540                                                                                                         liMove.QuadPart = chunkSize;
 541                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 542                                                                                                         break;
 543                                                                                                 }
 544                                                                                                 case mmioFOURCC('I','C','O','P'):
 545                                                                                                 case DMUS_FOURCC_UCOP_CHUNK: {
 546                                                                                                         TRACE_(dmfile)(": copyright chunk (ignored)\n");
 547                                                                                                         liMove.QuadPart = chunkSize;
 548                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 549                                                                                                         break;
 550                                                                                                 }
 551                                                                                                 case mmioFOURCC('I','S','B','J'):
 552                                                                                                 case DMUS_FOURCC_USBJ_CHUNK: {
 553                                                                                                         TRACE_(dmfile)(": subject chunk (ignored)\n");
 554                                                                                                         liMove.QuadPart = chunkSize;
 555                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 556                                                                                                         break;
 557                                                                                                 }
 558                                                                                                 case mmioFOURCC('I','C','M','T'):
 559                                                                                                 case DMUS_FOURCC_UCMT_CHUNK: {
 560                                                                                                         TRACE_(dmfile)(": comment chunk (ignored)\n");
 561                                                                                                         liMove.QuadPart = chunkSize;
 562                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 563                                                                                                         break;
 564                                                                                                 }
 565                                                                                                 default: {
 566                                                                                                         TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 567                                                                                                         liMove.QuadPart = chunkSize;
 568                                                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 569                                                                                                         break;
 570                                                                                                 }
 571                                                                                         }
 572                                                                                         TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
 573                                                                                 } while (ListCount[0] < ListSize[0]);
 574                                                                                 break;
 575                                                                         }
 576                                                                         default: {
 577                                                                                 TRACE_(dmfile)(": unknown (skipping)\n");
 578                                                                                 liMove.QuadPart = chunkSize - sizeof(FOURCC);
 579                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 580                                                                                 break;
 581                                                                         }
 582                                                                 }
 583                                                                 break;
 584                                                         }
 585                                                         default: {
 586                                                                 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
 587                                                                 liMove.QuadPart = chunkSize;
 588                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
 589                                                                 break;
 590                                                         }
 591                                                 }
 592                                                 TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
 593                                         } while (StreamCount < StreamSize);
 594                                         break;
 595                                 }
 596                                 default: {
 597                                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 598                                         liMove.QuadPart = StreamSize;
 599                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 600                                         return E_FAIL;
 601                                 }
 602                         }
 603                         TRACE_(dmfile)(": reading finished\n");
 604                         break;
 605                 }
 606                 default: {
 607                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 608                         liMove.QuadPart = chunkSize;
 609                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 610                         return E_FAIL;
 611                 }
 612         }
 613
 614         return S_OK;
 615 }
 616
 617 static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 618         return E_NOTIMPL;
 619 }
 620
 621 static HRESULT WINAPI IDirectMusicAudioPathImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 622         return E_NOTIMPL;
 623 }
 624
 625 static const IPersistStreamVtbl DirectMusicAudioPath_PersistStream_Vtbl = {
 626         IDirectMusicAudioPathImpl_IPersistStream_QueryInterface,
 627         IDirectMusicAudioPathImpl_IPersistStream_AddRef,
 628         IDirectMusicAudioPathImpl_IPersistStream_Release,
 629         IDirectMusicAudioPathImpl_IPersistStream_GetClassID,
 630         IDirectMusicAudioPathImpl_IPersistStream_IsDirty,
 631         IDirectMusicAudioPathImpl_IPersistStream_Load,
 632         IDirectMusicAudioPathImpl_IPersistStream_Save,
 633         IDirectMusicAudioPathImpl_IPersistStream_GetSizeMax
 634 };
 635
 636 /* for ClassFactory */
 637 HRESULT WINAPI DMUSIC_CreateDirectMusicAudioPathImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 638         IDirectMusicAudioPathImpl* obj;
 639
 640         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicAudioPathImpl));
 641         if (NULL == obj) {
 642                 *ppobj = NULL;
 643                 return E_OUTOFMEMORY;
 644         }
 645         obj->UnknownVtbl = &DirectMusicAudioPath_Unknown_Vtbl;
 646         obj->AudioPathVtbl = &DirectMusicAudioPath_AudioPath_Vtbl;
 647         obj->ObjectVtbl = &DirectMusicAudioPath_Object_Vtbl;
 648         obj->PersistStreamVtbl = &DirectMusicAudioPath_PersistStream_Vtbl;
 649         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 650         DM_STRUCT_INIT(obj->pDesc);
 651         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 652         obj->pDesc->guidClass = CLSID_DirectMusicAudioPath;
 653         obj->ref = 0; /* will be inited by QueryInterface */
 654
 655         return IDirectMusicAudioPathImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
 656 }