dlls/dmstyle/chordtrack.c - wine - Git at Google

 /* IDirectMusicChordTrack Implementation
  *
  * Copyright (C) 2003-2004 Rok Mandeljc
  * Copyright (C) 2003-2004 Raphael Junqueira
  *
  * 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 "dmstyle_private.h"

 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
 WINE_DECLARE_DEBUG_CHANNEL(dmfile);

 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface);
 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface);
 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);

 /*****************************************************************************
  * IDirectMusicChordTrack implementation
  */
 /* IDirectMusicChordTrack IUnknown part: */
 static HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
 	ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
 	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

 	if (IsEqualIID (riid, &IID_IUnknown)) {
 		*ppobj = (LPUNKNOWN)&This->UnknownVtbl;
 		IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 		return S_OK;
 	} else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
 	  || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
 		*ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
 		IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
 		return S_OK;
 	} else if (IsEqualIID (riid, &IID_IPersistStream)) {
 		*ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
 		IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
 		return S_OK;
 	}

 	WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
 	return E_NOINTERFACE;
 }

 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
 	ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
         ULONG ref = InterlockedIncrement(&This->ref);

 	TRACE("(%p): AddRef from %d\n", This, ref - 1);

 	DMSTYLE_LockModule();

 	return ref;
 }

 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
 	ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
 	ULONG ref = InterlockedDecrement(&This->ref);

 	TRACE("(%p): ReleaseRef to %d\n", This, ref);

 	if (ref == 0) {
 		HeapFree(GetProcessHeap(), 0, This);
 	}

 	DMSTYLE_UnlockModule();

 	return ref;
 }

 static const IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
   IDirectMusicChordTrack_IUnknown_QueryInterface,
   IDirectMusicChordTrack_IUnknown_AddRef,
   IDirectMusicChordTrack_IUnknown_Release
 };

 /* IDirectMusicChordTrack IDirectMusicTrack8 part: */
 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 }

 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 }

 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p): stub\n", This, pSegment);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
 {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
 {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p): stub\n", This, pStateData);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
 {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p, %ld, %ld, %ld, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);

   TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
   if (IsEqualGUID (rguidType, &GUID_BandParam)
       || IsEqualGUID (rguidType, &GUID_ChordParam)
       || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
     TRACE("param supported\n");
     return S_OK;
   }
   TRACE("param unsupported\n");
   return DMUS_E_TYPE_UNSUPPORTED;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
       wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
       wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
       wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
   FIXME("(%p, %p, %ld, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
   return S_OK;
 }

 static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
   IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
   IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
   IDirectMusicChordTrack_IDirectMusicTrack_Release,
   IDirectMusicChordTrack_IDirectMusicTrack_Init,
   IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
   IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
   IDirectMusicChordTrack_IDirectMusicTrack_Play,
   IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
   IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
   IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
   IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
   IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
   IDirectMusicChordTrack_IDirectMusicTrack_Clone,
   IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
   IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
   IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
   IDirectMusicChordTrack_IDirectMusicTrack_Compose,
   IDirectMusicChordTrack_IDirectMusicTrack_Join
 };

 /* IDirectMusicChordTrack IPersistStream part: */
 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
 }

 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
 }

 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   TRACE("(%p, %p)\n", This, pClassID);
   memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   FIXME("(%p): stub, always S_FALSE\n", This);
   return S_FALSE;
 }

 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {

   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   DMUS_PRIVATE_CHUNK Chunk;
   DWORD ListSize[3], ListCount[3];
   LARGE_INTEGER liMove; /* used when skipping chunks */

   if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
     ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
     return E_FAIL;
   }

   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
   ListCount[0] = 0;

   do {
     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
     switch (Chunk.fccID) {
     case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
       TRACE_(dmfile)(": Chord track header chunk\n");
       IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
       TRACE_(dmfile)(" - dwScale: %d\n", This->dwScale);
       break;
     }
     case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
       DWORD sz;
       DWORD it;
       DWORD num;
       DMUS_IO_CHORD body;
       DMUS_IO_SUBCHORD subchords;

       TRACE_(dmfile)(": Chord track body chunk\n");

       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
       TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %d\n", sz);
       if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
       IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
       TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
       TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
       TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
       TRACE_(dmfile)(" - bBeat:  %u\n", body.bBeat);
       TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);

       IStream_Read (pStm, &num, sizeof(DWORD), NULL);
       TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %d\n", num);
       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
       TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %d\n", sz);
       if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;

       for (it = 0; it < num; ++it) {
 	IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
 	TRACE_(dmfile)("DMUS_IO_SUBCHORD #%d\n", it+1);
 	TRACE_(dmfile)(" - dwChordPattern: %u\n", subchords.dwChordPattern);
 	TRACE_(dmfile)(" - dwScalePattern: %u\n", subchords.dwScalePattern);
 	TRACE_(dmfile)(" - dwInversionPoints: %u\n", subchords.dwInversionPoints);
 	TRACE_(dmfile)(" - dwLevels: %u\n", subchords.dwLevels);
 	TRACE_(dmfile)(" - bChordRoot:  %u\n", subchords.bChordRoot);
 	TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
       }
       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]);

   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);

   DMUS_PRIVATE_CHUNK Chunk;
   LARGE_INTEGER liMove;
   HRESULT hr;

   TRACE("(%p, %p): Loading\n", This, pStm);

   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
   switch (Chunk.fccID) {
   case FOURCC_LIST: {
     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
     switch (Chunk.fccID) {
     case DMUS_FOURCC_CHORDTRACK_LIST: {
       TRACE_(dmfile)(": Chord track list\n");
       hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
       if (FAILED(hr)) return hr;
       break;
     }
     default: {
       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
       liMove.QuadPart = Chunk.dwSize;
       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
       return E_FAIL;
     }
     }
     TRACE_(dmfile)(": reading finished\n");
     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;
   }
   }

   return S_OK;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   FIXME("(%p): Saving not implemented yet\n", This);
   return E_NOTIMPL;
 }

 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
   FIXME("(%p, %p): stub\n", This, pcbSize);
   return E_NOTIMPL;
 }

 static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
   IDirectMusicChordTrack_IPersistStream_QueryInterface,
   IDirectMusicChordTrack_IPersistStream_AddRef,
   IDirectMusicChordTrack_IPersistStream_Release,
   IDirectMusicChordTrack_IPersistStream_GetClassID,
   IDirectMusicChordTrack_IPersistStream_IsDirty,
   IDirectMusicChordTrack_IPersistStream_Load,
   IDirectMusicChordTrack_IPersistStream_Save,
   IDirectMusicChordTrack_IPersistStream_GetSizeMax
 };

 /* for ClassFactory */
 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
   IDirectMusicChordTrack* track;

   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
   if (NULL == track) {
     *ppobj = NULL;
     return E_OUTOFMEMORY;
   }
   track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
   track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
   track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
   DM_STRUCT_INIT(track->pDesc);
   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
   memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
   track->ref = 0; /* will be inited by QueryInterface */

   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
 }
	/* IDirectMusicChordTrack Implementation
	*
	* Copyright (C) 2003-2004 Rok Mandeljc
	* Copyright (C) 2003-2004 Raphael Junqueira
	*
	* 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 "dmstyle_private.h"

	WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
	WINE_DECLARE_DEBUG_CHANNEL(dmfile);

	static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface);
	static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface);
	static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);

	/*****************************************************************************
	* IDirectMusicChordTrack implementation
	*/
	/* IDirectMusicChordTrack IUnknown part: */
	static HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

	if (IsEqualIID (riid, &IID_IUnknown)) {
	*ppobj = (LPUNKNOWN)&This->UnknownVtbl;
	IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
	return S_OK;
	} else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
	\|\| IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
	*ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
	IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
	return S_OK;
	} else if (IsEqualIID (riid, &IID_IPersistStream)) {
	*ppobj = (LPPERSISTSTREAM)&This->PersistStreamVtbl;
	IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
	return S_OK;
	}

	WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
	return E_NOINTERFACE;
	}

	static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
	ULONG ref = InterlockedIncrement(&This->ref);

	TRACE("(%p): AddRef from %d\n", This, ref - 1);

	DMSTYLE_LockModule();

	return ref;
	}

	static ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
	ULONG ref = InterlockedDecrement(&This->ref);

	TRACE("(%p): ReleaseRef to %d\n", This, ref);

	if (ref == 0) {
	HeapFree(GetProcessHeap(), 0, This);
	}

	DMSTYLE_UnlockModule();

	return ref;
	}

	static const IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
	IDirectMusicChordTrack_IUnknown_QueryInterface,
	IDirectMusicChordTrack_IUnknown_AddRef,
	IDirectMusicChordTrack_IUnknown_Release
	};

	/* IDirectMusicChordTrack IDirectMusicTrack8 part: */
	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
	}

	static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
	}

	static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p): stub\n", This, pSegment);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
	{
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
	{
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p): stub\n", This, pStateData);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Play (LPDIRECTMUSICTRACK8 iface, void* pStateData, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, MUSIC_TIME mtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID)
	{
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p, %ld, %ld, %ld, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %s, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);

	TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
	if (IsEqualGUID (rguidType, &GUID_BandParam)
	\|\| IsEqualGUID (rguidType, &GUID_ChordParam)
	\|\| IsEqualGUID (rguidType, &GUID_RhythmParam)) {
	TRACE("param supported\n");
	return S_OK;
	}
	TRACE("param unsupported\n");
	return DMUS_E_TYPE_UNSUPPORTED;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppTrack);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_PlayEx (LPDIRECTMUSICTRACK8 iface, void* pStateData, REFERENCE_TIME rtStart, REFERENCE_TIME rtEnd, REFERENCE_TIME rtOffset, DWORD dwFlags, IDirectMusicPerformance* pPerf, IDirectMusicSegmentState* pSegSt, DWORD dwVirtualID) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
	wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
	wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
	wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
	FIXME("(%p, %p, %ld, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
	return S_OK;
	}

	static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
	IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
	IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
	IDirectMusicChordTrack_IDirectMusicTrack_Release,
	IDirectMusicChordTrack_IDirectMusicTrack_Init,
	IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
	IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
	IDirectMusicChordTrack_IDirectMusicTrack_Play,
	IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
	IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
	IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
	IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
	IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
	IDirectMusicChordTrack_IDirectMusicTrack_Clone,
	IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
	IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
	IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
	IDirectMusicChordTrack_IDirectMusicTrack_Compose,
	IDirectMusicChordTrack_IDirectMusicTrack_Join
	};

	/* IDirectMusicChordTrack IPersistStream part: */
	static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
	}

	static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
	}

	static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	TRACE("(%p, %p)\n", This, pClassID);
	memcpy(pClassID, &CLSID_DirectMusicChordTrack, sizeof(CLSID));
	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	FIXME("(%p): stub, always S_FALSE\n", This);
	return S_FALSE;
	}

	static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {

	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	DMUS_PRIVATE_CHUNK Chunk;
	DWORD ListSize[3], ListCount[3];
	LARGE_INTEGER liMove; /* used when skipping chunks */

	if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
	ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
	return E_FAIL;
	}

	ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
	ListCount[0] = 0;

	do {
	IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
	ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
	TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
	switch (Chunk.fccID) {
	case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
	TRACE_(dmfile)(": Chord track header chunk\n");
	IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
	TRACE_(dmfile)(" - dwScale: %d\n", This->dwScale);
	break;
	}
	case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
	DWORD sz;
	DWORD it;
	DWORD num;
	DMUS_IO_CHORD body;
	DMUS_IO_SUBCHORD subchords;

	TRACE_(dmfile)(": Chord track body chunk\n");

	IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
	TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %d\n", sz);
	if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
	IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
	TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
	TRACE_(dmfile)(" - mtTime: %lu\n", body.mtTime);
	TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
	TRACE_(dmfile)(" - bBeat: %u\n", body.bBeat);
	TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);

	IStream_Read (pStm, &num, sizeof(DWORD), NULL);
	TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %d\n", num);
	IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
	TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %d\n", sz);
	if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;

	for (it = 0; it < num; ++it) {
	IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
	TRACE_(dmfile)("DMUS_IO_SUBCHORD #%d\n", it+1);
	TRACE_(dmfile)(" - dwChordPattern: %u\n", subchords.dwChordPattern);
	TRACE_(dmfile)(" - dwScalePattern: %u\n", subchords.dwScalePattern);
	TRACE_(dmfile)(" - dwInversionPoints: %u\n", subchords.dwInversionPoints);
	TRACE_(dmfile)(" - dwLevels: %u\n", subchords.dwLevels);
	TRACE_(dmfile)(" - bChordRoot: %u\n", subchords.bChordRoot);
	TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
	}
	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]);

	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);

	DMUS_PRIVATE_CHUNK Chunk;
	LARGE_INTEGER liMove;
	HRESULT hr;

	TRACE("(%p, %p): Loading\n", This, pStm);

	IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
	TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
	switch (Chunk.fccID) {
	case FOURCC_LIST: {
	IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
	TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
	switch (Chunk.fccID) {
	case DMUS_FOURCC_CHORDTRACK_LIST: {
	TRACE_(dmfile)(": Chord track list\n");
	hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
	if (FAILED(hr)) return hr;
	break;
	}
	default: {
	TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
	liMove.QuadPart = Chunk.dwSize;
	IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
	return E_FAIL;
	}
	}
	TRACE_(dmfile)(": reading finished\n");
	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;
	}
	}

	return S_OK;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	FIXME("(%p): Saving not implemented yet\n", This);
	return E_NOTIMPL;
	}

	static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
	ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
	FIXME("(%p, %p): stub\n", This, pcbSize);
	return E_NOTIMPL;
	}

	static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
	IDirectMusicChordTrack_IPersistStream_QueryInterface,
	IDirectMusicChordTrack_IPersistStream_AddRef,
	IDirectMusicChordTrack_IPersistStream_Release,
	IDirectMusicChordTrack_IPersistStream_GetClassID,
	IDirectMusicChordTrack_IPersistStream_IsDirty,
	IDirectMusicChordTrack_IPersistStream_Load,
	IDirectMusicChordTrack_IPersistStream_Save,
	IDirectMusicChordTrack_IPersistStream_GetSizeMax
	};

	/* for ClassFactory */
	HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
	IDirectMusicChordTrack* track;

	track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
	if (NULL == track) {
	*ppobj = NULL;
	return E_OUTOFMEMORY;
	}
	track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
	track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
	track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
	track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
	DM_STRUCT_INIT(track->pDesc);
	track->pDesc->dwValidData \|= DMUS_OBJ_CLASS;
	memcpy (&track->pDesc->guidClass, &CLSID_DirectMusicChordTrack, sizeof (CLSID));
	track->ref = 0; /* will be inited by QueryInterface */

	return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
	}