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instrument.c

/* IDirectMusicInstrument Implementation
 *
 * Copyright (C) 2003-2004 Rok Mandeljc
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "dmusic_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);

static const GUID IID_IDirectMusicInstrumentPRIVATE = {0xbcb20080,0xa40c,0x11d1,{0x86,0xbc,0x00,0xc0,0x4f,0xbf,0x8f,0xef}};

static ULONG WINAPI IDirectMusicInstrumentImpl_IUnknown_AddRef (LPUNKNOWN iface);
static ULONG WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_AddRef (LPDIRECTMUSICINSTRUMENT iface);

/* IDirectMusicInstrument IUnknown part: */
static HRESULT WINAPI IDirectMusicInstrumentImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, UnknownVtbl, iface);
      TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
      
      if (IsEqualIID (riid, &IID_IUnknown)) {
            *ppobj = (LPVOID)&This->UnknownVtbl;
            IDirectMusicInstrumentImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
            return S_OK;      
      } else if (IsEqualIID (riid, &IID_IDirectMusicInstrument)) {
            *ppobj = (LPVOID)&This->InstrumentVtbl;
            IDirectMusicInstrumentImpl_IDirectMusicInstrument_AddRef ((LPDIRECTMUSICINSTRUMENT)&This->InstrumentVtbl);
            return S_OK;
      } else if (IsEqualIID (riid, &IID_IDirectMusicInstrumentPRIVATE)) {     
            /* it seems to me that this interface is only basic IUnknown, without any
                  other inherited functions... *sigh* this is the worst scenario, since it means 
                  that whoever calls it knows the layout of original implementation table and therefore
                  tries to get data by direct access... expect crashes */
            FIXME("*sigh*... requested private/unspecified interface\n");
            *ppobj = (LPVOID)&This->UnknownVtbl;
            IDirectMusicInstrumentImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
            return S_OK;      
      }
      
      WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
      return E_NOINTERFACE;
}

static ULONG WINAPI IDirectMusicInstrumentImpl_IUnknown_AddRef (LPUNKNOWN iface) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, UnknownVtbl, iface);
      ULONG refCount = InterlockedIncrement(&This->ref);

      TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);

      DMUSIC_LockModule();

      return refCount;
}

static ULONG WINAPI IDirectMusicInstrumentImpl_IUnknown_Release (LPUNKNOWN iface) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, UnknownVtbl, iface);
      ULONG refCount = InterlockedDecrement(&This->ref);

      TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);

      if (!refCount) {
            HeapFree(GetProcessHeap(), 0, This);
      }

      DMUSIC_UnlockModule();
      
      return refCount;
}

static const IUnknownVtbl DirectMusicInstrument_Unknown_Vtbl = {
      IDirectMusicInstrumentImpl_IUnknown_QueryInterface,
      IDirectMusicInstrumentImpl_IUnknown_AddRef,
      IDirectMusicInstrumentImpl_IUnknown_Release
};

/* IDirectMusicInstrumentImpl IDirectMusicInstrument part: */
static HRESULT WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_QueryInterface (LPDIRECTMUSICINSTRUMENT iface, REFIID riid, LPVOID *ppobj) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, InstrumentVtbl, iface);
      return IDirectMusicInstrumentImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}

static ULONG WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_AddRef (LPDIRECTMUSICINSTRUMENT iface) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, InstrumentVtbl, iface);
      return IDirectMusicInstrumentImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}

static ULONG WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_Release (LPDIRECTMUSICINSTRUMENT iface) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, InstrumentVtbl, iface);
      return IDirectMusicInstrumentImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}

static HRESULT WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_GetPatch (LPDIRECTMUSICINSTRUMENT iface, DWORD* pdwPatch) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, InstrumentVtbl, iface);
      TRACE("(%p, %p)\n", This, pdwPatch);      
      *pdwPatch = MIDILOCALE2Patch(&This->pHeader->Locale);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_SetPatch (LPDIRECTMUSICINSTRUMENT iface, DWORD dwPatch) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, InstrumentVtbl, iface);
      TRACE("(%p, %d): stub\n", This, dwPatch);
      Patch2MIDILOCALE(dwPatch, &This->pHeader->Locale);
      return S_OK;
}

static const IDirectMusicInstrumentVtbl DirectMusicInstrument_Instrument_Vtbl = {
      IDirectMusicInstrumentImpl_IDirectMusicInstrument_QueryInterface,
      IDirectMusicInstrumentImpl_IDirectMusicInstrument_AddRef,
      IDirectMusicInstrumentImpl_IDirectMusicInstrument_Release,
      IDirectMusicInstrumentImpl_IDirectMusicInstrument_GetPatch,
      IDirectMusicInstrumentImpl_IDirectMusicInstrument_SetPatch
};

/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicInstrumentImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
      IDirectMusicInstrumentImpl* dminst;
      
      dminst = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicInstrumentImpl));
      if (NULL == dminst) {
            *ppobj = NULL;
            return E_OUTOFMEMORY;
      }
      dminst->UnknownVtbl = &DirectMusicInstrument_Unknown_Vtbl;
      dminst->InstrumentVtbl = &DirectMusicInstrument_Instrument_Vtbl;
      dminst->ref = 0; /* will be inited by QueryInterface */
      
      return IDirectMusicInstrumentImpl_IUnknown_QueryInterface ((LPUNKNOWN)&dminst->UnknownVtbl, lpcGUID, ppobj);
}

/* aux. function that completely loads instrument; my tests indicate that it's 
   called somewhere around IDirectMusicCollection_GetInstrument */
HRESULT WINAPI IDirectMusicInstrumentImpl_Custom_Load (LPDIRECTMUSICINSTRUMENT iface, LPSTREAM pStm) {
      ICOM_THIS_MULTI(IDirectMusicInstrumentImpl, InstrumentVtbl, iface);
      
      DMUS_PRIVATE_CHUNK Chunk;
      DWORD ListSize[4], ListCount[4];
      LARGE_INTEGER liMove; /* used when skipping chunks */
      
      TRACE("(%p, %p, offset = %s)\n", This, pStm, wine_dbgstr_longlong(This->liInstrumentPosition.QuadPart));

      /* goto the beginning of chunk */
      IStream_Seek (pStm, This->liInstrumentPosition, STREAM_SEEK_SET, NULL);
      
      IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
      TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
      switch (Chunk.fccID) {
            case FOURCC_LIST: {
                  IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);                      
                  TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
                  ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
                  ListCount[0] = 0;
                  switch (Chunk.fccID) {
                        case FOURCC_INS: {
                              TRACE_(dmfile)(": instrument list\n");
                              do {
                                    IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
                                    ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
                                    TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
                                    switch (Chunk.fccID) {
                                          case FOURCC_INSH: {
                                                TRACE_(dmfile)(": instrument header chunk\n");
                                                /* should be already initialised */
                                                IStream_Read (pStm, This->pHeader, Chunk.dwSize, NULL);
                                                break;      
                                          }
                                          case FOURCC_DLID: {
                                                TRACE_(dmfile)(": DLID (GUID) chunk\n");
                                                /* should be already initialised */
                                                IStream_Read (pStm, This->pInstrumentID, Chunk.dwSize, NULL);
                                                break;
                                          }
                                          case FOURCC_LIST: {
                                                IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);                      
                                                TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
                                                ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
                                                ListCount[1] = 0;
                                                switch (Chunk.fccID) {
                                                      case FOURCC_LRGN: {
                                                            TRACE_(dmfile)(": regions list\n");
                                                            do {
                                                                  IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
                                                                  ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
                                                                  TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
                                                                  switch (Chunk.fccID) {
                                                                        case FOURCC_LIST: {
                                                                              IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);                      
                                                                              TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
                                                                              ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
                                                                              ListCount[2] = 0;
                                                                              switch (Chunk.fccID) {
                                                                                    case FOURCC_RGN: {                                                                                                
                                                                                          /* temporary structures */
                                                                                          RGNHEADER tmpRegionHeader;
                                                                                          WSMPL tmpWaveSample;
                                                                                          WLOOP tmpWaveLoop;
                                                                                          WAVELINK tmpWaveLink;
                                                                                          
                                                                                          TRACE_(dmfile)(": region list\n");
                                                                                          do {
                                                                                                IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
                                                                                                ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
                                                                                                TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
                                                                                                switch (Chunk.fccID) {
                                                                                                      case FOURCC_RGNH: {
                                                                                                            TRACE_(dmfile)(": region header chunk\n");
                                                                                                            memset (&tmpRegionHeader, 0, sizeof(RGNHEADER)); /* reset */
                                                                                                            IStream_Read (pStm, &tmpRegionHeader, Chunk.dwSize, NULL);
                                                                                                            break;
                                                                                                      }
                                                                                                      case FOURCC_WSMP: {
                                                                                                            TRACE_(dmfile)(": wave sample chunk\n");
                                                                                                            memset (&tmpWaveSample, 0, sizeof(WSMPL)); /* reset */
                                                                                                            memset (&tmpWaveLoop, 0, sizeof(WLOOP)); /* reset */
                                                                                                            if (Chunk.dwSize != (sizeof(WSMPL) + sizeof(WLOOP))) ERR(": incorrect chunk size\n");
                                                                                                            IStream_Read (pStm, &tmpWaveSample, sizeof(WSMPL), NULL);
                                                                                                            IStream_Read (pStm, &tmpWaveLoop, sizeof(WLOOP), NULL);
                                                                                                            break;
                                                                                                      }
                                                                                                      case FOURCC_WLNK: {
                                                                                                            TRACE_(dmfile)(": wave link chunk\n");
                                                                                                            memset (&tmpWaveLink, 0, sizeof(WAVELINK)); /* reset */
                                                                                                            IStream_Read (pStm, &tmpWaveLink, Chunk.dwSize, NULL);
                                                                                                            break;
                                                                                                      }
                                                                                                      default: {
                                                                                                            TRACE_(dmfile)(": unknown (skipping)\n");
                                                                                                            liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
                                                                                                            IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                                                            break;                                    
                                                                                                      }
                                                                                                }
                                                                                                TRACE_(dmfile)(": ListCount[2] = %d < ListSize[2] = %d\n", ListCount[2], ListSize[2]);
                                                                                          } while (ListCount[2] < ListSize[2]);
                                                                                          FIXME(": need to write temporary data to instrument data\n");
                                                                                          break;
                                                                                    }
                                                                                    default: {
                                                                                          TRACE_(dmfile)(": unknown (skipping)\n");
                                                                                          liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
                                                                                          IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                                          break;                                    
                                                                                    }
                                                                              }
                                                                              break;
                                                                        }                       
                                                                        default: {
                                                                              TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;                                    
                                                                        }
                                                                  }
                                                                  TRACE_(dmfile)(": ListCount[1] = %d < ListSize[1] = %d\n", ListCount[1], ListSize[1]);
                                                            } while (ListCount[1] < ListSize[1]);
                                                            break;
                                                      }
                                                      case FOURCC_LART: {
                                                            TRACE_(dmfile)(": articulators list\n");
                                                            do {
                                                                  IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
                                                                  ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
                                                                  TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
                                                                  switch (Chunk.fccID) {
                                                                        case FOURCC_ART1: {
                                                                              /* temporary structures */
                                                                              CONNECTIONLIST tmpConnectionList;
                                                                              LPCONNECTION tmpConnections;
                                                                              
                                                                              TRACE_(dmfile)(": level 1 articulator chunk\n");
                                                                              memset (&tmpConnectionList, 0, sizeof(CONNECTIONLIST)); /* reset */
                                                                              tmpConnections = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(CONNECTION)*tmpConnectionList.cConnections);
                                                                              if (Chunk.dwSize != (sizeof(CONNECTIONLIST) + sizeof(CONNECTION)*tmpConnectionList.cConnections)) ERR(": incorrect chunk size\n");
                                                                              IStream_Read (pStm, &tmpConnectionList, sizeof(CONNECTIONLIST), NULL);
                                                                              IStream_Read (pStm, tmpConnections, sizeof(CONNECTION)*tmpConnectionList.cConnections, NULL);
                                                                              break;
                                                                        }
                                                                        default: {
                                                                              TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;                                    
                                                                        }
                                                                  }
                                                                  TRACE_(dmfile)(": ListCount[1] = %d < ListSize[1] = %d\n", ListCount[1], ListSize[1]);
                                                            } while (ListCount[1] < ListSize[1]);
                                                            break;
                                                      }
                                                      case mmioFOURCC('I','N','F','O'): {
                                                            TRACE_(dmfile)(": INFO list\n");
                                                            do {
                                                                  IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
                                                                  ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
                                                                  TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
                                                                  switch (Chunk.fccID) {
                                                                        case mmioFOURCC('I','N','A','M'): {
                                                                              TRACE_(dmfile)(": name chunk (ignored)\n");
                                                                              if (even_or_odd(Chunk.dwSize)) {
                                                                                    ListCount[1] ++;
                                                                                    Chunk.dwSize++;
                                                                              }
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;
                                                                        }
                                                                        case mmioFOURCC('I','A','R','T'): {
                                                                              TRACE_(dmfile)(": artist chunk (ignored)\n");
                                                                              if (even_or_odd(Chunk.dwSize)) {
                                                                                    ListCount[1] ++;
                                                                                    Chunk.dwSize++;
                                                                              }
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;
                                                                        }
                                                                        case mmioFOURCC('I','C','O','P'): {
                                                                              /* temporary structures */
                                                                              CHAR tmpCopyright[DMUS_MAX_NAME];
                                                                              
                                                                              TRACE_(dmfile)(": copyright chunk\n");
                                                                              IStream_Read (pStm, tmpCopyright, Chunk.dwSize, NULL);
                                                                              if (even_or_odd(Chunk.dwSize)) {
                                                                                    ListCount[1] ++;
                                                                                    liMove.QuadPart = 1;
                                                                                    IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              }
                                                                              break;
                                                                        }
                                                                        case mmioFOURCC('I','S','B','J'): {
                                                                              TRACE_(dmfile)(": subject chunk (ignored)\n");
                                                                              if (even_or_odd(Chunk.dwSize)) {
                                                                                    ListCount[1] ++;
                                                                                    Chunk.dwSize++;
                                                                              }
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;
                                                                        }
                                                                        case mmioFOURCC('I','C','M','T'): {
                                                                              TRACE_(dmfile)(": comment chunk (ignored)\n");
                                                                              if (even_or_odd(Chunk.dwSize)) {
                                                                                    ListCount[1] ++;
                                                                                    Chunk.dwSize++;
                                                                              }
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;
                                                                        }
                                                                        default: {
                                                                              TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
                                                                              if (even_or_odd(Chunk.dwSize)) {
                                                                                    ListCount[1] ++;
                                                                                    Chunk.dwSize++;
                                                                              }
                                                                              liMove.QuadPart = Chunk.dwSize;
                                                                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                                              break;                                    
                                                                        }
                                                                  }
                                                                  TRACE_(dmfile)(": ListCount[1] = %d < ListSize[1] = %d\n", ListCount[1], ListSize[1]);
                                                            } while (ListCount[1] < ListSize[1]);
                                                            break;
                                                      }                                                     
                                                      
                                                      default: {
                                                            TRACE_(dmfile)(": unknown (skipping)\n");
                                                            liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
                                                            IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                            break;                                    
                                                      }
                                                }
                                                break;
                                          }                       
                                          default: {
                                                TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
                                                liMove.QuadPart = Chunk.dwSize;
                                                IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                                                break;                                    
                                          }
                                    }
                                    TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
                              } while (ListCount[0] < ListSize[0]);
                              break;
                        }
                        default: {
                              TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
                              liMove.QuadPart = Chunk.dwSize;
                              IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
                              break;                                    
                        }
                  }
                  break;
            }
            default: {
                  TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
                  liMove.QuadPart = Chunk.dwSize;
                  IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
                  return E_FAIL;
            }
      }
      /* DEBUG: dumps whole instrument object tree: */
/*    if (TRACE_ON(dmusic)) {       
            TRACE("*** IDirectMusicInstrument (%p) ***\n", This);
            if (This->pInstrumentID)
                  TRACE(" - GUID = %s\n", debugstr_dmguid(This->pInstrumentID));
            
            TRACE(" - Instrument header:\n");
            TRACE("    - cRegions: %ld\n", This->pHeader->cRegions);
            TRACE("    - Locale:\n");
            TRACE("       - ulBank: %ld\n", This->pHeader->Locale.ulBank);
            TRACE("       - ulInstrument: %ld\n", This->pHeader->Locale.ulInstrument);
            TRACE("       => dwPatch: %ld\n", MIDILOCALE2Patch(&This->pHeader->Locale));        
      }*/

      return S_OK;
}

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