kernel/tests: Write-strings warnings fix.
[wine] / dlls / dswave / dswave.c
1 /* IDirectMusicWave 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #include "dswave_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dswave);
23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
24                                                                                  
25 /* an interface that is, according to my tests, obtained by loader after loading object; is it acting
26    as some sort of bridge between object and loader? */
27 static const GUID IID_IDirectMusicWavePRIVATE = {0x69e934e4,0x97f1,0x4f1d,{0x88,0xe8,0xf2,0xac,0x88,0x67,0x13,0x27}};
28
29 /*****************************************************************************
30  * IDirectMusicWaveImpl implementation
31  */
32 /* IDirectMusicWaveImpl IUnknown part: */
33 HRESULT WINAPI IDirectMusicWaveImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
34         ICOM_THIS_MULTI(IDirectMusicWaveImpl, UnknownVtbl, iface);
35         
36         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
37
38         if (IsEqualIID (riid, &IID_IUnknown)) {
39                 *ppobj = (LPVOID)&This->UnknownVtbl;
40                 IDirectMusicWaveImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
41                 return S_OK;
42         } else if (IsEqualIID (riid, &IID_IDirectMusicSegment)
43         || IsEqualIID (riid, &IID_IDirectMusicSegment2)
44         || IsEqualIID (riid, &IID_IDirectMusicSegment8)) {
45                 *ppobj = (LPVOID)&This->SegmentVtbl;
46                 IDirectMusicWaveImpl_IDirectMusicSegment8_AddRef ((LPDIRECTMUSICSEGMENT8)&This->SegmentVtbl);
47                 return S_OK;
48         } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
49                 *ppobj = (LPVOID)&This->ObjectVtbl;
50                 IDirectMusicWaveImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);                
51                 return S_OK;
52         } else if (IsEqualIID (riid, &IID_IPersistStream)) {
53                 *ppobj = (LPVOID)&This->PersistStreamVtbl;
54                 IDirectMusicWaveImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);         
55                 return S_OK;
56         } else if (IsEqualIID (riid, &IID_IDirectMusicWavePRIVATE)) {
57                 WARN(": requested private interface, expect crash\n");
58                 return E_NOINTERFACE;
59         }
60         
61         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
62         return E_NOINTERFACE;
63 }
64
65 ULONG WINAPI IDirectMusicWaveImpl_IUnknown_AddRef (LPUNKNOWN iface) {
66         ICOM_THIS_MULTI(IDirectMusicWaveImpl, UnknownVtbl, iface);
67         ULONG refCount = InterlockedIncrement(&This->ref);
68
69         TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
70
71         DSWAVE_LockModule();
72
73         return refCount;
74 }
75
76 ULONG WINAPI IDirectMusicWaveImpl_IUnknown_Release (LPUNKNOWN iface) {
77         ICOM_THIS_MULTI(IDirectMusicWaveImpl, UnknownVtbl, iface);
78         ULONG refCount = InterlockedDecrement(&This->ref);
79
80         TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
81
82         if (!refCount) {
83                 HeapFree(GetProcessHeap(), 0, This);
84         }
85
86         DSWAVE_UnlockModule();
87         
88         return refCount;
89 }
90
91 static const IUnknownVtbl DirectMusicWave_Unknown_Vtbl = {
92         IDirectMusicWaveImpl_IUnknown_QueryInterface,
93         IDirectMusicWaveImpl_IUnknown_AddRef,
94         IDirectMusicWaveImpl_IUnknown_Release
95 };
96
97 /* IDirectMusicSegment8Impl IDirectMusicSegment part: */
98 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_QueryInterface (LPDIRECTMUSICSEGMENT8 iface, REFIID riid, LPVOID *ppobj) {
99         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
100         return IDirectMusicWaveImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
101 }
102
103 ULONG WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_AddRef (LPDIRECTMUSICSEGMENT8 iface) {
104         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
105         return IDirectMusicWaveImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
106 }
107
108 ULONG WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_Release (LPDIRECTMUSICSEGMENT8 iface) {
109         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
110         return IDirectMusicWaveImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
111 }
112
113 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetLength (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME* pmtLength) {
114         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
115         FIXME("(%p, %p): stub\n", This, pmtLength);
116         return S_OK;
117 }
118
119 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetLength (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME mtLength) {
120         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
121         FIXME("(%p, %ld): stub\n", This, mtLength);
122         return S_OK;
123 }
124
125 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetRepeats (LPDIRECTMUSICSEGMENT8 iface, DWORD* pdwRepeats) { 
126         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
127         FIXME("(%p, %p): stub\n", This, pdwRepeats);
128         return S_OK;
129 }
130
131 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetRepeats (LPDIRECTMUSICSEGMENT8 iface, DWORD dwRepeats) {
132         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
133         FIXME("(%p, %ld): stub\n", This, dwRepeats);    
134         return S_OK;
135 }
136
137 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetDefaultResolution (LPDIRECTMUSICSEGMENT8 iface, DWORD* pdwResolution) {
138         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
139         FIXME("(%p, %p): stub\n", This, pdwResolution);
140         return S_OK;
141 }
142
143 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetDefaultResolution (LPDIRECTMUSICSEGMENT8 iface, DWORD dwResolution) {
144         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
145         FIXME("(%p, %ld): stub\n", This, dwResolution);
146         return S_OK;
147 }
148
149 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetTrack (LPDIRECTMUSICSEGMENT8 iface, REFGUID rguidType, DWORD dwGroupBits, DWORD dwIndex, IDirectMusicTrack** ppTrack) {
150         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
151         FIXME("(%p, %s, %ld, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), dwGroupBits, dwIndex, ppTrack);
152         return S_OK;
153 }
154
155 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetTrackGroup (LPDIRECTMUSICSEGMENT8 iface, IDirectMusicTrack* pTrack, DWORD* pdwGroupBits) {
156         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
157         FIXME("(%p, %p, %p): stub\n", This, pTrack, pdwGroupBits);
158         return S_OK;
159 }
160
161 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_InsertTrack (LPDIRECTMUSICSEGMENT8 iface, IDirectMusicTrack* pTrack, DWORD dwGroupBits) {
162         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
163         FIXME("(%p, %p, %ld): stub\n", This, pTrack, dwGroupBits);
164         return S_OK;
165 }
166
167 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_RemoveTrack (LPDIRECTMUSICSEGMENT8 iface, IDirectMusicTrack* pTrack) {
168         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
169         FIXME("(%p, %p): stub\n", This, pTrack);
170         return S_OK;
171 }
172
173 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_InitPlay (LPDIRECTMUSICSEGMENT8 iface, IDirectMusicSegmentState** ppSegState, IDirectMusicPerformance* pPerformance, DWORD dwFlags) {
174         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
175         FIXME("(%p, %p, %p, %ld): stub\n", This, ppSegState, pPerformance, dwFlags);
176         return S_OK;
177 }
178
179 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetGraph (LPDIRECTMUSICSEGMENT8 iface, IDirectMusicGraph** ppGraph) {
180         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
181         FIXME("(%p, %p): stub\n", This, ppGraph);
182         return S_OK;
183 }
184
185 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetGraph (LPDIRECTMUSICSEGMENT8 iface, IDirectMusicGraph* pGraph) {
186         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
187         FIXME("(%p, %p): stub\n", This, pGraph);
188         return S_OK;
189 }
190
191 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_AddNotificationType (LPDIRECTMUSICSEGMENT8 iface, REFGUID rguidNotificationType) {
192         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
193         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
194         return S_OK;
195 }
196
197 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_RemoveNotificationType (LPDIRECTMUSICSEGMENT8 iface, REFGUID rguidNotificationType) {
198         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
199         FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidNotificationType));
200         return S_OK;
201 }
202
203 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetParam (LPDIRECTMUSICSEGMENT8 iface, REFGUID rguidType, DWORD dwGroupBits, DWORD dwIndex, MUSIC_TIME mtTime, MUSIC_TIME* pmtNext, void* pParam) {
204         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
205         FIXME("(%p, %s, %ld, %ld, %ld, %p, %p): stub\n", This, debugstr_dmguid(rguidType), dwGroupBits, dwIndex, mtTime, pmtNext, pParam);
206         return S_OK;
207 }
208
209 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetParam (LPDIRECTMUSICSEGMENT8 iface, REFGUID rguidType, DWORD dwGroupBits, DWORD dwIndex, MUSIC_TIME mtTime, void* pParam) {
210         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
211         FIXME("(%p, %s, %ld, %ld, %ld, %p): stub\n", This, debugstr_dmguid(rguidType), dwGroupBits, dwIndex, mtTime, pParam);
212         return S_OK;
213 }
214
215 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_Clone (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd, IDirectMusicSegment** ppSegment) {
216         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
217         FIXME("(%p, %ld, %ld, %p): stub\n", This, mtStart, mtEnd, ppSegment);
218         return S_OK;
219 }
220
221 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetStartPoint (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME mtStart) {
222         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
223         FIXME("(%p, %ld): stub\n", This, mtStart);
224         return S_OK;
225 }
226
227 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetStartPoint (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME* pmtStart) {
228         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
229         FIXME("(%p, %p): stub\n", This, pmtStart);
230         return S_OK;
231 }
232
233 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetLoopPoints (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME mtStart, MUSIC_TIME mtEnd) {
234         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
235         FIXME("(%p, %ld, %ld): stub\n", This, mtStart, mtEnd);
236         return S_OK;
237 }
238
239 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetLoopPoints (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME* pmtStart, MUSIC_TIME* pmtEnd) {
240         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
241         FIXME("(%p, %p, %p): stub\n", This, pmtStart, pmtEnd);
242         return S_OK;
243 }
244
245 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetPChannelsUsed (LPDIRECTMUSICSEGMENT8 iface, DWORD dwNumPChannels, DWORD* paPChannels) {
246         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
247         FIXME("(%p, %ld, %p): stub\n", This, dwNumPChannels, paPChannels);      
248         return S_OK;
249 }
250
251 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_SetTrackConfig (LPDIRECTMUSICSEGMENT8 iface, REFGUID rguidTrackClassID, DWORD dwGroupBits, DWORD dwIndex, DWORD dwFlagsOn, DWORD dwFlagsOff) {
252         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
253         FIXME("(%p, %s, %ld, %ld, %ld, %ld): stub\n", This, debugstr_dmguid(rguidTrackClassID), dwGroupBits, dwIndex, dwFlagsOn, dwFlagsOff);
254         return S_OK;
255 }
256
257 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_GetAudioPathConfig (LPDIRECTMUSICSEGMENT8 iface, IUnknown** ppAudioPathConfig){
258         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
259         FIXME("(%p, %p): stub\n", This, ppAudioPathConfig);
260         return S_OK;
261 }
262
263 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_Compose (LPDIRECTMUSICSEGMENT8 iface, MUSIC_TIME mtTime, IDirectMusicSegment* pFromSegment, IDirectMusicSegment* pToSegment, IDirectMusicSegment** ppComposedSegment) {
264         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
265         FIXME("(%p, %ld, %p, %p, %p): stub\n", This, mtTime, pFromSegment, pToSegment, ppComposedSegment);
266         return S_OK;
267 }
268
269 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_Download (LPDIRECTMUSICSEGMENT8 iface, IUnknown *pAudioPath) {
270         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
271         FIXME("(%p, %p): stub\n", This, pAudioPath);
272         return S_OK;
273 }
274
275 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicSegment8_Unload (LPDIRECTMUSICSEGMENT8 iface, IUnknown *pAudioPath) {
276         ICOM_THIS_MULTI(IDirectMusicWaveImpl, SegmentVtbl, iface);
277         FIXME("(%p, %p): stub\n", This, pAudioPath);
278         return S_OK;
279 }
280
281 static const IDirectMusicSegment8Vtbl DirectMusicSegment8_Segment_Vtbl = {
282         IDirectMusicWaveImpl_IDirectMusicSegment8_QueryInterface,
283         IDirectMusicWaveImpl_IDirectMusicSegment8_AddRef,
284         IDirectMusicWaveImpl_IDirectMusicSegment8_Release,
285         IDirectMusicWaveImpl_IDirectMusicSegment8_GetLength,
286         IDirectMusicWaveImpl_IDirectMusicSegment8_SetLength,
287         IDirectMusicWaveImpl_IDirectMusicSegment8_GetRepeats,
288         IDirectMusicWaveImpl_IDirectMusicSegment8_SetRepeats,
289         IDirectMusicWaveImpl_IDirectMusicSegment8_GetDefaultResolution,
290         IDirectMusicWaveImpl_IDirectMusicSegment8_SetDefaultResolution,
291         IDirectMusicWaveImpl_IDirectMusicSegment8_GetTrack,
292         IDirectMusicWaveImpl_IDirectMusicSegment8_GetTrackGroup,
293         IDirectMusicWaveImpl_IDirectMusicSegment8_InsertTrack,
294         IDirectMusicWaveImpl_IDirectMusicSegment8_RemoveTrack,
295         IDirectMusicWaveImpl_IDirectMusicSegment8_InitPlay,
296         IDirectMusicWaveImpl_IDirectMusicSegment8_GetGraph,
297         IDirectMusicWaveImpl_IDirectMusicSegment8_SetGraph,
298         IDirectMusicWaveImpl_IDirectMusicSegment8_AddNotificationType,
299         IDirectMusicWaveImpl_IDirectMusicSegment8_RemoveNotificationType,
300         IDirectMusicWaveImpl_IDirectMusicSegment8_GetParam,
301         IDirectMusicWaveImpl_IDirectMusicSegment8_SetParam,
302         IDirectMusicWaveImpl_IDirectMusicSegment8_Clone,
303         IDirectMusicWaveImpl_IDirectMusicSegment8_SetStartPoint,
304         IDirectMusicWaveImpl_IDirectMusicSegment8_GetStartPoint,
305         IDirectMusicWaveImpl_IDirectMusicSegment8_SetLoopPoints,
306         IDirectMusicWaveImpl_IDirectMusicSegment8_GetLoopPoints,
307         IDirectMusicWaveImpl_IDirectMusicSegment8_SetPChannelsUsed,
308         IDirectMusicWaveImpl_IDirectMusicSegment8_SetTrackConfig,
309         IDirectMusicWaveImpl_IDirectMusicSegment8_GetAudioPathConfig,
310         IDirectMusicWaveImpl_IDirectMusicSegment8_Compose,
311         IDirectMusicWaveImpl_IDirectMusicSegment8_Download,
312         IDirectMusicWaveImpl_IDirectMusicSegment8_Unload
313 };
314
315 /* IDirectMusicWaveImpl IDirectMusicObject part: */
316 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
317         ICOM_THIS_MULTI(IDirectMusicWaveImpl, ObjectVtbl, iface);
318         return IDirectMusicWaveImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
319 }
320
321 ULONG WINAPI IDirectMusicWaveImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
322         ICOM_THIS_MULTI(IDirectMusicWaveImpl, ObjectVtbl, iface);
323         return IDirectMusicWaveImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
324 }
325
326 ULONG WINAPI IDirectMusicWaveImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
327         ICOM_THIS_MULTI(IDirectMusicWaveImpl, ObjectVtbl, iface);
328         return IDirectMusicWaveImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
329 }
330
331 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
332         ICOM_THIS_MULTI(IDirectMusicWaveImpl, ObjectVtbl, iface);
333         TRACE("(%p, %p)\n", This, pDesc);
334         /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
335         memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
336         return S_OK;
337 }
338
339 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
340         ICOM_THIS_MULTI(IDirectMusicWaveImpl, ObjectVtbl, iface);
341         TRACE("(%p, %p, %s): setting descriptor:\n", This, pDesc, debugstr_DMUS_OBJECTDESC(pDesc));
342         
343         /* According to MSDN, we should copy only given values, not whole struct */     
344         if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
345                 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
346         if (pDesc->dwValidData & DMUS_OBJ_CLASS)
347                 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));         
348         if (pDesc->dwValidData & DMUS_OBJ_NAME)
349                 lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
350         if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
351                 lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
352         if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
353                 lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
354         if (pDesc->dwValidData & DMUS_OBJ_VERSION)
355                 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));                            
356         if (pDesc->dwValidData & DMUS_OBJ_DATE)
357                 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));                          
358         if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
359                 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));                           
360                 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
361         }
362         if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
363                 /* according to MSDN, we copy the stream */
364                 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);  
365         }
366         
367         /* add new flags */
368         This->pDesc->dwValidData |= pDesc->dwValidData;
369
370         return S_OK;
371 }
372
373 HRESULT WINAPI IDirectMusicWaveImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
374         DMUS_PRIVATE_CHUNK Chunk;
375         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
376         LARGE_INTEGER liMove; /* used when skipping chunks */
377
378         TRACE("(%p, %p)\n", pStream, pDesc);
379         
380         /* FIXME: should this be determined from stream? */
381         pDesc->dwValidData |= DMUS_OBJ_CLASS;
382         memcpy (&pDesc->guidClass, &CLSID_DirectMusicSegment, sizeof(CLSID));
383         
384         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
385         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
386         switch (Chunk.fccID) {  
387                 case FOURCC_RIFF: {
388                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);                             
389                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
390                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
391                         StreamCount = 0;
392                         if (Chunk.fccID == mmioFOURCC('W','A','V','E')) {
393                                 TRACE_(dmfile)(": wave form\n");
394                                 do {
395                                         IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
396                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
397                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
398                                         switch (Chunk.fccID) {
399                                                 case DMUS_FOURCC_GUID_CHUNK: {
400                                                         TRACE_(dmfile)(": GUID chunk\n");
401                                                         pDesc->dwValidData |= DMUS_OBJ_OBJECT;
402                                                         IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
403                                                         break;
404                                                 }
405                                                 case DMUS_FOURCC_VERSION_CHUNK: {
406                                                         TRACE_(dmfile)(": version chunk\n");
407                                                         pDesc->dwValidData |= DMUS_OBJ_VERSION;
408                                                         IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
409                                                         break;
410                                                 }
411                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
412                                                         TRACE_(dmfile)(": category chunk\n");
413                                                         pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
414                                                         IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
415                                                         break;
416                                                 }
417                                                 case FOURCC_LIST: {
418                                                         IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);                             
419                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
420                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
421                                                         ListCount[0] = 0;
422                                                         switch (Chunk.fccID) {
423                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
424                                                                 case DMUS_FOURCC_UNFO_LIST: {
425                                                                         TRACE_(dmfile)(": UNFO list\n");
426                                                                         do {
427                                                                                 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
428                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
429                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
430                                                                                 switch (Chunk.fccID) {
431                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
432                                              (though strings seem to be valid unicode) */
433                                                                                         case mmioFOURCC('I','N','A','M'):
434                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
435                                                                                                 TRACE_(dmfile)(": name chunk\n");
436                                                                                                 pDesc->dwValidData |= DMUS_OBJ_NAME;
437                                                                                                 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
438                                                                                                 break;
439                                                                                         }
440                                                                                         case mmioFOURCC('I','A','R','T'):
441                                                                                         case DMUS_FOURCC_UART_CHUNK: {
442                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
443                                                                                                 liMove.QuadPart = Chunk.dwSize;
444                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
445                                                                                                 break;
446                                                                                         }
447                                                                                         case mmioFOURCC('I','C','O','P'):
448                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
449                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
450                                                                                                 liMove.QuadPart = Chunk.dwSize;
451                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
452                                                                                                 break;
453                                                                                         }
454                                                                                         case mmioFOURCC('I','S','B','J'):
455                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
456                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
457                                                                                                 liMove.QuadPart = Chunk.dwSize;
458                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
459                                                                                                 break;
460                                                                                         }
461                                                                                         case mmioFOURCC('I','C','M','T'):
462                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
463                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
464                                                                                                 liMove.QuadPart = Chunk.dwSize;
465                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
466                                                                                                 break;
467                                                                                         }
468                                                                                         default: {
469                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
470                                                                                                 liMove.QuadPart = Chunk.dwSize;
471                                                                                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
472                                                                                                 break;                                          
473                                                                                         }
474                                                                                 }
475                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
476                                                                         } while (ListCount[0] < ListSize[0]);
477                                                                         break;
478                                                                 }
479                                                                 default: {
480                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
481                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
482                                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
483                                                                         break;                                          
484                                                                 }
485                                                         }
486                                                         break;
487                                                 }       
488                                                 default: {
489                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
490                                                         liMove.QuadPart = Chunk.dwSize;
491                                                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
492                                                         break;                                          
493                                                 }
494                                         }
495                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
496                                 } while (StreamCount < StreamSize);
497                         } else {
498                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
499                                 liMove.QuadPart = StreamSize;
500                                 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
501                                 return E_FAIL;
502                         }
503                 
504                         TRACE_(dmfile)(": reading finished\n");
505                         break;
506                 }
507                 default: {
508                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
509                         liMove.QuadPart = Chunk.dwSize;
510                         IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
511                         return DMUS_E_INVALIDFILE;
512                 }
513         }       
514         
515         TRACE(": returning descriptor: %s\n", debugstr_DMUS_OBJECTDESC (pDesc));
516         
517         return S_OK;    
518 }
519
520 static const IDirectMusicObjectVtbl DirectMusicWave_Object_Vtbl = {
521         IDirectMusicWaveImpl_IDirectMusicObject_QueryInterface,
522         IDirectMusicWaveImpl_IDirectMusicObject_AddRef,
523         IDirectMusicWaveImpl_IDirectMusicObject_Release,
524         IDirectMusicWaveImpl_IDirectMusicObject_GetDescriptor,
525         IDirectMusicWaveImpl_IDirectMusicObject_SetDescriptor,
526         IDirectMusicWaveImpl_IDirectMusicObject_ParseDescriptor
527 };
528
529 /* IDirectMusicWaveImpl IPersistStream part: */
530 HRESULT WINAPI IDirectMusicWaveImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
531         ICOM_THIS_MULTI(IDirectMusicWaveImpl, PersistStreamVtbl, iface);
532         return IDirectMusicWaveImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
533 }
534
535 ULONG WINAPI IDirectMusicWaveImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
536         ICOM_THIS_MULTI(IDirectMusicWaveImpl, PersistStreamVtbl, iface);
537         return IDirectMusicWaveImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
538 }
539
540 ULONG WINAPI IDirectMusicWaveImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
541         ICOM_THIS_MULTI(IDirectMusicWaveImpl, PersistStreamVtbl, iface);
542         return IDirectMusicWaveImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
543 }
544
545 HRESULT WINAPI IDirectMusicWaveImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
546         return E_NOTIMPL;
547 }
548
549 HRESULT WINAPI IDirectMusicWaveImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
550         return E_NOTIMPL;
551 }
552
553 HRESULT WINAPI IDirectMusicWaveImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
554         ICOM_THIS_MULTI(IDirectMusicWaveImpl, PersistStreamVtbl, iface);
555         
556         DMUS_PRIVATE_CHUNK Chunk;
557         DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
558         LARGE_INTEGER liMove; /* used when skipping chunks */
559
560         FIXME("(%p, %p): loading not implemented yet (only descriptor is loaded)\n", This, pStm);
561         
562         /* FIXME: should this be determined from stream? */
563         This->pDesc->dwValidData |= DMUS_OBJ_CLASS;
564         memcpy (&This->pDesc->guidClass, &CLSID_DirectMusicSegment, sizeof(CLSID));
565         
566         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
567         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
568         switch (Chunk.fccID) {  
569                 case FOURCC_RIFF: {
570                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);                                
571                         TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
572                         StreamSize = Chunk.dwSize - sizeof(FOURCC);
573                         StreamCount = 0;
574                         if (Chunk.fccID == mmioFOURCC('W','A','V','E')) {
575                                 TRACE_(dmfile)(": wave form\n");
576                                 do {
577                                         IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
578                                         StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
579                                         TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
580                                         switch (Chunk.fccID) {
581                                                 case DMUS_FOURCC_GUID_CHUNK: {
582                                                         TRACE_(dmfile)(": GUID chunk\n");
583                                                         This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
584                                                         IStream_Read (pStm, &This->pDesc->guidObject, Chunk.dwSize, NULL);
585                                                         break;
586                                                 }
587                                                 case DMUS_FOURCC_VERSION_CHUNK: {
588                                                         TRACE_(dmfile)(": version chunk\n");
589                                                         This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
590                                                         IStream_Read (pStm, &This->pDesc->vVersion, Chunk.dwSize, NULL);
591                                                         break;
592                                                 }
593                                                 case DMUS_FOURCC_CATEGORY_CHUNK: {
594                                                         TRACE_(dmfile)(": category chunk\n");
595                                                         This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
596                                                         IStream_Read (pStm, This->pDesc->wszCategory, Chunk.dwSize, NULL);
597                                                         break;
598                                                 }
599                                                 case FOURCC_LIST: {
600                                                         IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);                                
601                                                         TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
602                                                         ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
603                                                         ListCount[0] = 0;
604                                                         switch (Chunk.fccID) {
605                                                                 /* evil M$ UNFO list, which can (!?) contain INFO elements */
606                                                                 case DMUS_FOURCC_UNFO_LIST: {
607                                                                         TRACE_(dmfile)(": UNFO list\n");
608                                                                         do {
609                                                                                 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
610                                                                                 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
611                                                                                 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
612                                                                                 switch (Chunk.fccID) {
613                                                                                         /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
614                                              (though strings seem to be valid unicode) */
615                                                                                         case mmioFOURCC('I','N','A','M'):
616                                                                                         case DMUS_FOURCC_UNAM_CHUNK: {
617                                                                                                 TRACE_(dmfile)(": name chunk\n");
618                                                                                                 This->pDesc->dwValidData |= DMUS_OBJ_NAME;
619                                                                                                 IStream_Read (pStm, This->pDesc->wszName, Chunk.dwSize, NULL);
620                                                                                                 break;
621                                                                                         }
622                                                                                         case mmioFOURCC('I','A','R','T'):
623                                                                                         case DMUS_FOURCC_UART_CHUNK: {
624                                                                                                 TRACE_(dmfile)(": artist chunk (ignored)\n");
625                                                                                                 liMove.QuadPart = Chunk.dwSize;
626                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
627                                                                                                 break;
628                                                                                         }
629                                                                                         case mmioFOURCC('I','C','O','P'):
630                                                                                         case DMUS_FOURCC_UCOP_CHUNK: {
631                                                                                                 TRACE_(dmfile)(": copyright chunk (ignored)\n");
632                                                                                                 liMove.QuadPart = Chunk.dwSize;
633                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
634                                                                                                 break;
635                                                                                         }
636                                                                                         case mmioFOURCC('I','S','B','J'):
637                                                                                         case DMUS_FOURCC_USBJ_CHUNK: {
638                                                                                                 TRACE_(dmfile)(": subject chunk (ignored)\n");
639                                                                                                 liMove.QuadPart = Chunk.dwSize;
640                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
641                                                                                                 break;
642                                                                                         }
643                                                                                         case mmioFOURCC('I','C','M','T'):
644                                                                                         case DMUS_FOURCC_UCMT_CHUNK: {
645                                                                                                 TRACE_(dmfile)(": comment chunk (ignored)\n");
646                                                                                                 liMove.QuadPart = Chunk.dwSize;
647                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
648                                                                                                 break;
649                                                                                         }
650                                                                                         default: {
651                                                                                                 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
652                                                                                                 liMove.QuadPart = Chunk.dwSize;
653                                                                                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
654                                                                                                 break;                                          
655                                                                                         }
656                                                                                 }
657                                                                                 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
658                                                                         } while (ListCount[0] < ListSize[0]);
659                                                                         break;
660                                                                 }
661                                                                 default: {
662                                                                         TRACE_(dmfile)(": unknown (skipping)\n");
663                                                                         liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
664                                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
665                                                                         break;                                          
666                                                                 }
667                                                         }
668                                                         break;
669                                                 }       
670                                                 default: {
671                                                         TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
672                                                         liMove.QuadPart = Chunk.dwSize;
673                                                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
674                                                         break;                                          
675                                                 }
676                                         }
677                                         TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
678                                 } while (StreamCount < StreamSize);
679                         } else {
680                                 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
681                                 liMove.QuadPart = StreamSize;
682                                 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
683                                 return E_FAIL;
684                         }
685                 
686                         TRACE_(dmfile)(": reading finished\n");
687                         break;
688                 }
689                 default: {
690                         TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
691                         liMove.QuadPart = Chunk.dwSize;
692                         IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
693                         return DMUS_E_INVALIDFILE;
694                 }
695         }
696         
697         return S_OK;
698 }
699
700 HRESULT WINAPI IDirectMusicWaveImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
701         return E_NOTIMPL;
702 }
703
704 HRESULT WINAPI IDirectMusicWaveImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
705         return E_NOTIMPL;
706 }
707
708 static const IPersistStreamVtbl DirectMusicWave_PersistStream_Vtbl = {
709         IDirectMusicWaveImpl_IPersistStream_QueryInterface,
710         IDirectMusicWaveImpl_IPersistStream_AddRef,
711         IDirectMusicWaveImpl_IPersistStream_Release,
712         IDirectMusicWaveImpl_IPersistStream_GetClassID,
713         IDirectMusicWaveImpl_IPersistStream_IsDirty,
714         IDirectMusicWaveImpl_IPersistStream_Load,
715         IDirectMusicWaveImpl_IPersistStream_Save,
716         IDirectMusicWaveImpl_IPersistStream_GetSizeMax
717 };
718
719
720 /* for ClassFactory */
721 HRESULT WINAPI DMUSIC_CreateDirectMusicWaveImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
722         IDirectMusicWaveImpl* obj;
723         
724         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicWaveImpl));
725         if (NULL == obj) {
726                 *ppobj = NULL;
727                 return E_OUTOFMEMORY;
728         }
729         obj->UnknownVtbl = &DirectMusicWave_Unknown_Vtbl;
730         obj->ObjectVtbl = &DirectMusicWave_Object_Vtbl;
731         obj->PersistStreamVtbl = &DirectMusicWave_PersistStream_Vtbl;
732         obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
733         DM_STRUCT_INIT(obj->pDesc);
734         obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
735         memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicSegment, sizeof (CLSID)); /* shown by tests */
736         obj->ref = 0; /* will be inited by QueryInterface */
737         
738         return IDirectMusicWaveImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
739 }