ole32: Move private data structure out of header file.
[wine] / dlls / dmstyle / chordtrack.c
1 /* IDirectMusicChordTrack Implementation
2  *
3  * Copyright (C) 2003-2004 Rok Mandeljc
4  * Copyright (C) 2003-2004 Raphael Junqueira
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include "dmstyle_private.h"
22
23 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
24 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
25
26 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface);
27 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface);
28 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);
29
30 /*****************************************************************************
31  * IDirectMusicChordTrack implementation
32  */
33 /* IDirectMusicChordTrack IUnknown part: */
34 static HRESULT WINAPI IDirectMusicChordTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
35         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
36         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
37
38         if (IsEqualIID (riid, &IID_IUnknown)) {
39                 *ppobj = &This->UnknownVtbl;
40                 IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
41                 return S_OK;
42         } else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
43           || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
44                 *ppobj = (LPDIRECTMUSICTRACK8)&This->TrackVtbl;
45                 IDirectMusicChordTrack_IDirectMusicTrack_AddRef ((LPDIRECTMUSICTRACK8)&This->TrackVtbl);
46                 return S_OK;
47         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
48                 *ppobj = &This->PersistStreamVtbl;
49                 IDirectMusicChordTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
50                 return S_OK;
51         }
52         
53         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
54         return E_NOINTERFACE;
55 }
56
57 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_AddRef (LPUNKNOWN iface) {
58         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
59         ULONG ref = InterlockedIncrement(&This->ref);
60
61         TRACE("(%p): AddRef from %d\n", This, ref - 1);
62
63         DMSTYLE_LockModule();
64
65         return ref;
66 }
67
68 static ULONG WINAPI IDirectMusicChordTrack_IUnknown_Release (LPUNKNOWN iface) {
69         ICOM_THIS_MULTI(IDirectMusicChordTrack, UnknownVtbl, iface);
70         ULONG ref = InterlockedDecrement(&This->ref);
71
72         TRACE("(%p): ReleaseRef to %d\n", This, ref);
73
74         if (ref == 0) {
75                 HeapFree(GetProcessHeap(), 0, This);
76         }
77
78         DMSTYLE_UnlockModule();
79
80         return ref;
81 }
82
83 static const IUnknownVtbl DirectMusicChordTrack_Unknown_Vtbl = {
84   IDirectMusicChordTrack_IUnknown_QueryInterface,
85   IDirectMusicChordTrack_IUnknown_AddRef,
86   IDirectMusicChordTrack_IUnknown_Release
87 };
88
89 /* IDirectMusicChordTrack IDirectMusicTrack8 part: */
90 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface (LPDIRECTMUSICTRACK8 iface, REFIID riid, LPVOID *ppobj) {
91   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
92   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
93 }
94
95 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddRef (LPDIRECTMUSICTRACK8 iface) {
96   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
97   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
98 }
99
100 static ULONG WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Release (LPDIRECTMUSICTRACK8 iface) {
101   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
102   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
103 }
104
105 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Init (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegment* pSegment) {
106   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
107   FIXME("(%p, %p): stub\n", This, pSegment);
108   return S_OK;
109 }
110
111 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_InitPlay (LPDIRECTMUSICTRACK8 iface, IDirectMusicSegmentState* pSegmentState, IDirectMusicPerformance* pPerformance, void** ppStateData, DWORD dwVirtualTrack8ID, DWORD dwFlags)
112 {
113   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
114   FIXME("(%p, %p, %p, %p, %d, %d): stub\n", This, pSegmentState, pPerformance, ppStateData, dwVirtualTrack8ID, dwFlags);
115   return S_OK;
116 }
117
118 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_EndPlay (LPDIRECTMUSICTRACK8 iface, void* pStateData)
119 {
120   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
121   FIXME("(%p, %p): stub\n", This, pStateData);
122   return S_OK;
123 }
124
125 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)
126 {
127   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
128   FIXME("(%p, %p, %d, %d, %d, %d, %p, %p, %d): stub\n", This, pStateData, mtStart, mtEnd, mtOffset, dwFlags, pPerf, pSegSt, dwVirtualID);
129   return S_OK;
130 }
131
132 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
133   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
134   FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
135   return S_OK;
136 }
137
138 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParam (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, MUSIC_TIME mtTime, void* pParam) {
139   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
140   FIXME("(%p, %s, %d, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pParam);
141   return S_OK;
142 }
143
144 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType) {
145   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
146   
147   TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidType));
148   if (IsEqualGUID (rguidType, &GUID_BandParam)
149       || IsEqualGUID (rguidType, &GUID_ChordParam)
150       || IsEqualGUID (rguidType, &GUID_RhythmParam)) {
151     TRACE("param supported\n");
152     return S_OK;
153   }
154   TRACE("param unsupported\n");
155   return DMUS_E_TYPE_UNSUPPORTED;
156 }
157
158 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
159   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
160   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
161   return S_OK;
162 }
163
164 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType (LPDIRECTMUSICTRACK8 iface, REFGUID rguidNotificationType) {
165   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
166   FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
167   return S_OK;
168 }
169
170 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Clone (LPDIRECTMUSICTRACK8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicTrack** ppTrack) {
171   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
172   FIXME("(%p, %d, %d, %p): stub\n", This, mtStart, mtEnd, ppTrack);
173   return S_OK;
174 }
175
176 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) {
177   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
178   FIXME("(%p, %p, 0x%s, 0x%s, 0x%s, %d, %p, %p, %d): stub\n", This, pStateData, wine_dbgstr_longlong(rtStart),
179       wine_dbgstr_longlong(rtEnd), wine_dbgstr_longlong(rtOffset), dwFlags, pPerf, pSegSt, dwVirtualID);
180   return S_OK;
181 }
182
183 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, REFERENCE_TIME* prtNext, void* pParam, void* pStateData, DWORD dwFlags) {
184   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
185   FIXME("(%p, %s, 0x%s, %p, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
186       wine_dbgstr_longlong(rtTime), prtNext, pParam, pStateData, dwFlags);
187   return S_OK;
188 }
189
190 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx (LPDIRECTMUSICTRACK8 iface, REFGUID rguidType, REFERENCE_TIME rtTime, void* pParam, void* pStateData, DWORD dwFlags) {
191   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
192   FIXME("(%p, %s, 0x%s, %p, %p, %d): stub\n", This, debugstr_dmguid(rguidType),
193       wine_dbgstr_longlong(rtTime), pParam, pStateData, dwFlags);
194   return S_OK;
195 }
196
197 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Compose (LPDIRECTMUSICTRACK8 iface, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
198   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
199   FIXME("(%p, %p, %d, %p): stub\n", This, pContext, dwTrackGroup, ppResultTrack);
200   return S_OK;
201 }
202
203 static HRESULT WINAPI IDirectMusicChordTrack_IDirectMusicTrack_Join (LPDIRECTMUSICTRACK8 iface, IDirectMusicTrack* pNewTrack, MUSIC_TIME mtJoin, IUnknown* pContext, DWORD dwTrackGroup, IDirectMusicTrack** ppResultTrack) {
204   ICOM_THIS_MULTI(IDirectMusicChordTrack, TrackVtbl, iface);
205   FIXME("(%p, %p, %d, %p, %d, %p): stub\n", This, pNewTrack, mtJoin, pContext, dwTrackGroup, ppResultTrack);
206   return S_OK;
207 }
208
209 static const IDirectMusicTrack8Vtbl DirectMusicChordTrack_Track_Vtbl = {
210   IDirectMusicChordTrack_IDirectMusicTrack_QueryInterface,
211   IDirectMusicChordTrack_IDirectMusicTrack_AddRef,
212   IDirectMusicChordTrack_IDirectMusicTrack_Release,
213   IDirectMusicChordTrack_IDirectMusicTrack_Init,
214   IDirectMusicChordTrack_IDirectMusicTrack_InitPlay,
215   IDirectMusicChordTrack_IDirectMusicTrack_EndPlay,
216   IDirectMusicChordTrack_IDirectMusicTrack_Play,
217   IDirectMusicChordTrack_IDirectMusicTrack_GetParam,
218   IDirectMusicChordTrack_IDirectMusicTrack_SetParam,
219   IDirectMusicChordTrack_IDirectMusicTrack_IsParamSupported,
220   IDirectMusicChordTrack_IDirectMusicTrack_AddNotificationType,
221   IDirectMusicChordTrack_IDirectMusicTrack_RemoveNotificationType,
222   IDirectMusicChordTrack_IDirectMusicTrack_Clone,
223   IDirectMusicChordTrack_IDirectMusicTrack_PlayEx,
224   IDirectMusicChordTrack_IDirectMusicTrack_GetParamEx,
225   IDirectMusicChordTrack_IDirectMusicTrack_SetParamEx,
226   IDirectMusicChordTrack_IDirectMusicTrack_Compose,
227   IDirectMusicChordTrack_IDirectMusicTrack_Join
228 };
229
230 /* IDirectMusicChordTrack IPersistStream part: */
231 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
232   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
233   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
234 }
235
236 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
237   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
238   return IDirectMusicChordTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
239 }
240
241 static ULONG WINAPI IDirectMusicChordTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
242   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
243   return IDirectMusicChordTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
244 }
245
246 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
247   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
248   TRACE("(%p, %p)\n", This, pClassID);
249   *pClassID = CLSID_DirectMusicChordTrack;
250   return S_OK;
251 }
252
253 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
254   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
255   FIXME("(%p): stub, always S_FALSE\n", This);
256   return S_FALSE;
257 }
258
259 static HRESULT IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm) {
260
261   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
262   DMUS_PRIVATE_CHUNK Chunk;
263   DWORD ListSize[3], ListCount[3];
264   LARGE_INTEGER liMove; /* used when skipping chunks */
265
266   if (pChunk->fccID != DMUS_FOURCC_CHORDTRACK_LIST) {
267     ERR_(dmfile)(": %s chunk should be a CHORDTRACK list\n", debugstr_fourcc (pChunk->fccID));
268     return E_FAIL;
269   }  
270
271   ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
272   ListCount[0] = 0;
273
274   do {
275     IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
276     ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
277     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
278     switch (Chunk.fccID) { 
279     case DMUS_FOURCC_CHORDTRACKHEADER_CHUNK: {
280       TRACE_(dmfile)(": Chord track header chunk\n");
281       IStream_Read (pStm, &This->dwScale, sizeof(DWORD), NULL);
282       TRACE_(dmfile)(" - dwScale: %d\n", This->dwScale);
283       break;
284     }
285     case DMUS_FOURCC_CHORDTRACKBODY_CHUNK: {
286       DWORD sz;
287       DWORD it;
288       DWORD num;
289       DMUS_IO_CHORD body;
290       DMUS_IO_SUBCHORD subchords;
291
292       TRACE_(dmfile)(": Chord track body chunk\n");
293
294       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
295       TRACE_(dmfile)(" - sizeof(DMUS_IO_CHORD): %d\n", sz);
296       if (sz != sizeof(DMUS_IO_CHORD)) return E_FAIL;
297       IStream_Read (pStm, &body, sizeof(DMUS_IO_CHORD), NULL);
298       TRACE_(dmfile)(" - wszName: %s\n", debugstr_w(body.wszName));
299       TRACE_(dmfile)(" - mtTime: %u\n", body.mtTime);
300       TRACE_(dmfile)(" - wMeasure: %u\n", body.wMeasure);
301       TRACE_(dmfile)(" - bBeat:  %u\n", body.bBeat);
302       TRACE_(dmfile)(" - bFlags: 0x%02x\n", body.bFlags);
303       
304       IStream_Read (pStm, &num, sizeof(DWORD), NULL);
305       TRACE_(dmfile)(" - # DMUS_IO_SUBCHORDS: %d\n", num);
306       IStream_Read (pStm, &sz, sizeof(DWORD), NULL);
307       TRACE_(dmfile)(" - sizeof(DMUS_IO_SUBCHORDS): %d\n", sz);
308       if (sz != sizeof(DMUS_IO_SUBCHORD)) return E_FAIL;
309
310       for (it = 0; it < num; ++it) {
311         IStream_Read (pStm, &subchords, sizeof(DMUS_IO_SUBCHORD), NULL);
312         TRACE_(dmfile)("DMUS_IO_SUBCHORD #%d\n", it+1);
313         TRACE_(dmfile)(" - dwChordPattern: %u\n", subchords.dwChordPattern);
314         TRACE_(dmfile)(" - dwScalePattern: %u\n", subchords.dwScalePattern);
315         TRACE_(dmfile)(" - dwInversionPoints: %u\n", subchords.dwInversionPoints);
316         TRACE_(dmfile)(" - dwLevels: %u\n", subchords.dwLevels);
317         TRACE_(dmfile)(" - bChordRoot:  %u\n", subchords.bChordRoot);
318         TRACE_(dmfile)(" - bScaleRoot: %u\n", subchords.bScaleRoot);
319       }
320       break;
321     }
322     default: {
323       TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
324       liMove.QuadPart = Chunk.dwSize;
325       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
326       break;            
327     }
328     }
329     TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
330   } while (ListCount[0] < ListSize[0]);
331
332   return S_OK;
333 }
334
335 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
336   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
337  
338   DMUS_PRIVATE_CHUNK Chunk;
339   LARGE_INTEGER liMove;
340   HRESULT hr;
341  
342   TRACE("(%p, %p): Loading\n", This, pStm);
343
344   IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
345   TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
346   switch (Chunk.fccID) {        
347   case FOURCC_LIST: {
348     IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
349     TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
350     switch (Chunk.fccID) { 
351     case DMUS_FOURCC_CHORDTRACK_LIST: {
352       TRACE_(dmfile)(": Chord track list\n");
353       hr = IDirectMusicChordTrack_IPersistStream_ParseChordTrackList (iface, &Chunk, pStm);
354       if (FAILED(hr)) return hr;
355       break;    
356     }
357     default: {
358       TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
359       liMove.QuadPart = Chunk.dwSize;
360       IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
361       return E_FAIL;
362     }
363     }
364     TRACE_(dmfile)(": reading finished\n");
365     break;
366   }
367   default: {
368     TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
369     liMove.QuadPart = Chunk.dwSize;
370     IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
371     return E_FAIL;
372   }
373   }
374
375   return S_OK;
376 }
377
378 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
379   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
380   FIXME("(%p): Saving not implemented yet\n", This);
381   return E_NOTIMPL;
382 }
383
384 static HRESULT WINAPI IDirectMusicChordTrack_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
385   ICOM_THIS_MULTI(IDirectMusicChordTrack, PersistStreamVtbl, iface);
386   FIXME("(%p, %p): stub\n", This, pcbSize);
387   return E_NOTIMPL;
388 }
389
390 static const IPersistStreamVtbl DirectMusicChordTrack_PersistStream_Vtbl = {
391   IDirectMusicChordTrack_IPersistStream_QueryInterface,
392   IDirectMusicChordTrack_IPersistStream_AddRef,
393   IDirectMusicChordTrack_IPersistStream_Release,
394   IDirectMusicChordTrack_IPersistStream_GetClassID,
395   IDirectMusicChordTrack_IPersistStream_IsDirty,
396   IDirectMusicChordTrack_IPersistStream_Load,
397   IDirectMusicChordTrack_IPersistStream_Save,
398   IDirectMusicChordTrack_IPersistStream_GetSizeMax
399 };
400
401 /* for ClassFactory */
402 HRESULT WINAPI DMUSIC_CreateDirectMusicChordTrack (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
403   IDirectMusicChordTrack* track;
404   
405   track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordTrack));
406   if (NULL == track) {
407     *ppobj = NULL;
408     return E_OUTOFMEMORY;
409   }
410   track->UnknownVtbl = &DirectMusicChordTrack_Unknown_Vtbl;
411   track->TrackVtbl = &DirectMusicChordTrack_Track_Vtbl;
412   track->PersistStreamVtbl = &DirectMusicChordTrack_PersistStream_Vtbl;
413   track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
414   DM_STRUCT_INIT(track->pDesc);
415   track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
416   track->pDesc->guidClass = CLSID_DirectMusicChordTrack;
417   track->ref = 0; /* will be inited by QueryInterface */
418
419   return IDirectMusicChordTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
420 }