dlls/dmstyle/commandtrack.c

   1 /* IDirectMusicCommandTrack 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 "dmstyle_private.h"
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
  23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
  24
  25 /*****************************************************************************
  26  * IDirectMusicCommandTrack implementation
  27  */
  28 /* IDirectMusicCommandTrack IUnknown part: */
  29 HRESULT WINAPI IDirectMusicCommandTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
  30         ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
  31         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
  32
  33         if (IsEqualIID (riid, &IID_IUnknown)) {
  34                 *ppobj = (LPUNKNOWN)&This->UnknownVtbl;
  35                 IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  36                 return S_OK;
  37         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
  38           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
  39                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
  40                 IDirectMusicCommandTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
  41                 return S_OK;
  42         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
  43                 *ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
  44                 IDirectMusicCommandTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
  45                 return S_OK;
  46         }
  47
  48         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
  49         return E_NOINTERFACE;
  50 }
  51
  52 ULONG WINAPI IDirectMusicCommandTrack_IUnknown_AddRef (LPUNKNOWN iface) {
  53         ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
  54         TRACE("(%p): AddRef from %ld\n", This, This->ref);
  55         return ++(This->ref);
  56 }
  57
  58 ULONG WINAPI IDirectMusicCommandTrack_IUnknown_Release (LPUNKNOWN iface) {
  59         ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
  60         ULONG ref = --This->ref;
  61         TRACE("(%p): ReleaseRef to %ld\n", This, This->ref);
  62         if (ref == 0) {
  63                 HeapFree(GetProcessHeap(), 0, This);
  64         }
  65         return ref;
  66 }
  67
  68 ICOM_VTABLE(IUnknown) DirectMusicCommandTrack_Unknown_Vtbl = {
  69     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  70         IDirectMusicCommandTrack_IUnknown_QueryInterface,
  71         IDirectMusicCommandTrack_IUnknown_AddRef,
  72         IDirectMusicCommandTrack_IUnknown_Release
  73 };
  74
  75 /* IDirectMusicCommandTrack IDirectMusicTrack8 part: */
  76 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
  77         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
  78         return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
  79 }
  80
  81 ULONG WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
  82         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
  83         return IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
  84 }
  85
  86 ULONG WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
  87         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
  88         return IDirectMusicCommandTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
  89 }
  90
  91 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment)
  92 {
  93         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
  94         FIXME("(%p, %p): stub\n", This, pSegment);
  95         return S_OK;
  96 }
  97
  98 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
  99 {
 100         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 101         FIXME("(%p, %p, %p, %p, %ld, %ld): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
 102         return S_OK;
 103 }
 104
 105 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 106 {
 107         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 108         FIXME("(%p, %p): stub\n", This, pStateData);
 109         return S_OK;
 110 }
 111
 112 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
 113 {
 114         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 115         FIXME("(%p, %p, %ld, %ld, %ld, %ld, %p, %p, %ld): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 116         return S_OK;
 117 }
 118
 119 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
 120         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 121         FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
 122         return S_OK;
 123 }
 124
 125 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
 126         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 127         FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
 128         return S_OK;
 129 }
 130
 131 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
 132         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 133
 134         TRACE("(%p, %s): ", This, debugstr_dmguid(rguidType));
 135         if (IsEqualGUID (rguidType, &GUID_CommandParam)
 136                 || IsEqualGUID (rguidType, &GUID_CommandParam2)
 137                 || IsEqualGUID (rguidType, &GUID_CommandParamNext)) {
 138                 TRACE("param supported\n");
 139                 return S_OK;
 140         }
 141
 142         TRACE("param unsupported\n");
 143         return DMUS_E_TYPE_UNSUPPORTED;
 144 }
 145
 146 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 147         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 148         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 149         return S_OK;
 150 }
 151
 152 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
 153         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 154         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
 155         return S_OK;
 156 }
 157
 158 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
 159         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 160         FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
 161         return S_OK;
 162 }
 163
 164 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
 165         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 166         FIXME("(%p, %p, %lli, %lli, %lli, %ld, %p, %p, %ld): stub\n", This, pStateData, rtStart, rtEnd, rtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
 167         return S_OK;
 168 }
 169
 170 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
 171         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 172         FIXME("(%p, %s, %lli, %p, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, prtNext, pParam, pStateData, dwFlags);
 173         return S_OK;
 174 }
 175
 176 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
 177         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 178         FIXME("(%p, %s, %lli, %p, %p, %ld): stub\n", This, debugstr_dmguid(rguidType), rtTime, pParam, pStateData, dwFlags);
 179         return S_OK;
 180 }
 181
 182 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 183         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 184         FIXME("(%p, %p, %ld, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
 185         return S_OK;
 186 }
 187
 188 HRESULT WINAPI IDirectMusicCommandTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
 189         ICOM_THIS_MULTI(IDirectMusicCommandTrack, TrackVtbl, iface);
 190         FIXME("(%p, %p, %ld, %p, %ld, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
 191         return S_OK;
 192 }
 193
 194 ICOM_VTABLE(IDirectMusicTrack8) DirectMusicCommandTrack_Track_Vtbl = {
 195     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 196         IDirectMusicCommandTrack_IDirectMusicTrack_QueryInterface,
 197         IDirectMusicCommandTrack_IDirectMusicTrack_AddRef,
 198         IDirectMusicCommandTrack_IDirectMusicTrack_Release,
 199         IDirectMusicCommandTrack_IDirectMusicTrack_Init,
 200         IDirectMusicCommandTrack_IDirectMusicTrack_InitPlay,
 201         IDirectMusicCommandTrack_IDirectMusicTrack_EndPlay,
 202         IDirectMusicCommandTrack_IDirectMusicTrack_Play,
 203         IDirectMusicCommandTrack_IDirectMusicTrack_GetParam,
 204         IDirectMusicCommandTrack_IDirectMusicTrack_SetParam,
 205         IDirectMusicCommandTrack_IDirectMusicTrack_IsParamSupported,
 206         IDirectMusicCommandTrack_IDirectMusicTrack_AddNotificationType,
 207         IDirectMusicCommandTrack_IDirectMusicTrack_RemoveNotificationType,
 208         IDirectMusicCommandTrack_IDirectMusicTrack_Clone,
 209         IDirectMusicCommandTrack_IDirectMusicTrack_PlayEx,
 210         IDirectMusicCommandTrack_IDirectMusicTrack_GetParamEx,
 211         IDirectMusicCommandTrack_IDirectMusicTrack_SetParamEx,
 212         IDirectMusicCommandTrack_IDirectMusicTrack_Compose,
 213         IDirectMusicCommandTrack_IDirectMusicTrack_Join
 214 };
 215
 216 /* IDirectMusicCommandTrack IPersistStream part: */
 217 HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 218         ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
 219         return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 220 }
 221
 222 ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 223         ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
 224         return IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 225 }
 226
 227 ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 228         ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
 229         return IDirectMusicCommandTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 230 }
 231
 232 HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
 233         return E_NOTIMPL;
 234 }
 235
 236 HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
 237         return E_NOTIMPL;
 238 }
 239
 240 HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
 241         ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
 242         FOURCC chunkID;
 243         DWORD chunkSize, dwSizeOfStruct, nrCommands;
 244         LARGE_INTEGER liMove; /* used when skipping chunks */
 245
 246         IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
 247         IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
 248         TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
 249         switch (chunkID) {
 250                 case DMUS_FOURCC_COMMANDTRACK_CHUNK: {
 251                         int count;
 252                         TRACE_(dmfile)(": command track chunk\n");
 253                         IStream_Read (pStm, &dwSizeOfStruct, sizeof(DWORD), NULL);
 254                         if (dwSizeOfStruct != sizeof(DMUS_IO_COMMAND)) {
 255                                 TRACE_(dmfile)(": declared size of struct (=%ld) != actual size (=%i); indicates older direct music version\n", dwSizeOfStruct, sizeof(DMUS_IO_COMMAND));
 256                         }
 257                         chunkSize -= sizeof(DWORD); /* now chunk size is one DWORD shorter */
 258                         nrCommands = chunkSize/dwSizeOfStruct; /* and this is the number of commands */
 259                         /* load each command seperately in new entry */
 260                         for (count = 0; count < nrCommands; count++) {
 261                                 LPDMUS_PRIVATE_COMMAND pNewCommand = (LPDMUS_PRIVATE_COMMAND) HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_COMMAND));
 262                                 IStream_Read (pStm, &pNewCommand->pCommand, dwSizeOfStruct, NULL);
 263                                 list_add_tail (&This->Commands, &pNewCommand->entry);
 264                         }
 265                         TRACE_(dmfile)(": reading finished\n");
 266                         This->pDesc->dwValidData |= DMUS_OBJ_LOADED;
 267                         break;
 268                 }
 269                 default: {
 270                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
 271                         liMove.QuadPart = chunkSize;
 272                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
 273                         return E_FAIL;
 274                 }
 275         }
 276
 277         /* DEBUG: dumps whole band track object tree: */
 278         if (TRACE_ON(dmstyle)) {
 279                 int r = 0;
 280                 DMUS_PRIVATE_COMMAND *tmpEntry;
 281                 struct list *listEntry;
 282                 TRACE("*** IDirectMusicCommandTrack (%p) ***\n", (LPDIRECTMUSICTRACK8)This->TrackVtbl);
 283                 TRACE(" - Commands:\n");
 284                 LIST_FOR_EACH (listEntry, &This->Commands) {
 285                         tmpEntry = LIST_ENTRY (listEntry, DMUS_PRIVATE_COMMAND, entry);
 286                         TRACE("    - Command[%i]:\n", r);
 287                         TRACE("       - mtTime = %li\n", tmpEntry->pCommand.mtTime);
 288                         TRACE("       - wMeasure = %d\n", tmpEntry->pCommand.wMeasure);
 289                         TRACE("       - bBeat = %i\n", tmpEntry->pCommand.bBeat);
 290                         TRACE("       - bCommand = %i\n", tmpEntry->pCommand.bCommand);
 291                         TRACE("       - bGrooveLevel = %i\n", tmpEntry->pCommand.bGrooveLevel);
 292                         TRACE("       - bGrooveRange = %i\n", tmpEntry->pCommand.bGrooveRange);
 293                         TRACE("       - bRepeatMode = %i\n", tmpEntry->pCommand.bRepeatMode);
 294                         r++;
 295                 }
 296         }
 297
 298         return S_OK;
 299 }
 300
 301 HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
 302         return E_NOTIMPL;
 303 }
 304
 305 HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
 306         return E_NOTIMPL;
 307 }
 308
 309 ICOM_VTABLE(IPersistStream) DirectMusicCommandTrack_PersistStream_Vtbl = {
 310     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 311         IDirectMusicCommandTrack_IPersistStream_QueryInterface,
 312         IDirectMusicCommandTrack_IPersistStream_AddRef,
 313         IDirectMusicCommandTrack_IPersistStream_Release,
 314         IDirectMusicCommandTrack_IPersistStream_GetClassID,
 315         IDirectMusicCommandTrack_IPersistStream_IsDirty,
 316         IDirectMusicCommandTrack_IPersistStream_Load,
 317         IDirectMusicCommandTrack_IPersistStream_Save,
 318         IDirectMusicCommandTrack_IPersistStream_GetSizeMax
 319 };
 320
 321 /* for ClassFactory */
 322 HRESULT WINAPI DMUSIC_CreateDirectMusicCommandTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
 323         IDirectMusicCommandTrack* track;
 324
 325         track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicCommandTrack));
 326         if (NULL == track) {
 327                 *ppobj = (LPVOID) NULL;
 328                 return E_OUTOFMEMORY;
 329         }
 330         track->UnknownVtbl = &DirectMusicCommandTrack_Unknown_Vtbl;
 331         track->TrackVtbl = &DirectMusicCommandTrack_Track_Vtbl;
 332         track->PersistStreamVtbl = &DirectMusicCommandTrack_PersistStream_Vtbl;
 333         track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 334         DM_STRUCT_INIT(track->pDesc);
 335         track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 336         memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicCommandTrack, sizeof (CLSID));
 337         track->ref = 0; /* will be inited by QueryInterface */
 338         list_init (&track->Commands);
 339
 340         return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 341 }