1 /* IDirectMusicContainerImpl
3 * Copyright (C) 2003-2004 Rok Mandeljc
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.
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.
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.
20 #include "dmloader_private.h"
22 WINE_DEFAULT_DEBUG_CHANNEL(dmloader
);
23 WINE_DECLARE_DEBUG_CHANNEL(dmfile
);
24 WINE_DECLARE_DEBUG_CHANNEL(dmdump
);
26 #define DMUS_MAX_CATEGORY_SIZE DMUS_MAX_CATEGORY*sizeof(WCHAR)
27 #define DMUS_MAX_NAME_SIZE DMUS_MAX_NAME*sizeof(WCHAR)
28 #define DMUS_MAX_FILENAME_SIZE DMUS_MAX_FILENAME*sizeof(WCHAR)
30 static ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface
);
31 static ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface
);
32 static ULONG WINAPI
IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface
);
34 /*****************************************************************************
35 * IDirectMusicContainerImpl implementation
37 /* IUnknown/IDirectMusicContainer part: */
38 static HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface
, REFIID riid
, LPVOID
*ppobj
) {
39 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
41 TRACE("(%p, %s, %p)\n", This
, debugstr_dmguid(riid
), ppobj
);
42 if (IsEqualIID (riid
, &IID_IUnknown
) ||
43 IsEqualIID (riid
, &IID_IDirectMusicContainer
)) {
44 *ppobj
= (LPVOID
)&This
->ContainerVtbl
;
45 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
47 } else if (IsEqualIID (riid
, &IID_IDirectMusicObject
)) {
48 *ppobj
= (LPVOID
)&This
->ObjectVtbl
;
49 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT
)&This
->ObjectVtbl
);
51 } else if (IsEqualIID (riid
, &IID_IPersistStream
)) {
52 *ppobj
= (LPVOID
)&This
->PersistStreamVtbl
;
53 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM
)&This
->PersistStreamVtbl
);
57 WARN(": not found\n");
61 static ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface
) {
62 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
63 TRACE("(%p): AddRef from %d\n", This
, This
->dwRef
);
64 return InterlockedIncrement (&This
->dwRef
);
67 static ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface
) {
68 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
70 DWORD dwRef
= InterlockedDecrement (&This
->dwRef
);
71 TRACE("(%p): ReleaseRef to %d\n", This
, dwRef
);
73 DMUSIC_DestroyDirectMusicContainerImpl (iface
);
74 HeapFree(GetProcessHeap(), 0, This
);
80 static HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface
, REFGUID rguidClass
, DWORD dwIndex
, LPDMUS_OBJECTDESC pDesc
, WCHAR
* pwszAlias
) {
81 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
83 LPWINE_CONTAINER_ENTRY pContainedObject
;
86 TRACE("(%p, %s, %d, %p, %p)\n", This
, debugstr_dmguid(rguidClass
), dwIndex
, pDesc
, pwszAlias
);
88 /* check if we can write to whole pDesc */
90 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
91 ERR(": pDesc->dwSize bad read pointer\n");
94 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
95 ERR(": invalid pDesc->dwSize\n");
98 if (IsBadWritePtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
99 ERR(": pDesc bad write pointer\n");
103 /* check if we wszAlias is big enough */
104 if (pwszAlias
&& IsBadWritePtr (pwszAlias
, DMUS_MAX_FILENAME_SIZE
)) {
105 ERR(": wszAlias bad write pointer\n");
109 DM_STRUCT_INIT(pDesc
);
111 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
112 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
114 if (IsEqualGUID (rguidClass
, &GUID_DirectMusicAllTypes
) || IsEqualGUID (rguidClass
, &pContainedObject
->Desc
.guidClass
)) {
115 if (dwCount
== dwIndex
) {
116 HRESULT result
= S_OK
;
118 lstrcpynW (pwszAlias
, pContainedObject
->wszAlias
, DMUS_MAX_FILENAME
);
119 if (strlenW (pContainedObject
->wszAlias
) > DMUS_MAX_FILENAME
)
120 result
= DMUS_S_STRING_TRUNCATED
;
123 memcpy (pDesc
, &pContainedObject
->Desc
, sizeof(DMUS_OBJECTDESC
));
130 TRACE(": not found\n");
134 static const IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl
= {
135 IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface
,
136 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef
,
137 IDirectMusicContainerImpl_IDirectMusicContainer_Release
,
138 IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
141 /* IDirectMusicObject part: */
142 static HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface
, REFIID riid
, LPVOID
*ppobj
) {
143 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
144 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
, riid
, ppobj
);
147 static ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface
) {
148 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
149 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
152 static ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface
) {
153 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
154 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
157 static HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface
, LPDMUS_OBJECTDESC pDesc
) {
158 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
159 TRACE("(%p, %p):\n", This
, pDesc
);
161 /* check if whe can write to whole pDesc */
162 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
163 ERR(": pDesc->dwSize bad read pointer\n");
166 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
167 ERR(": invalid pDesc->dwSize\n");
170 if (IsBadWritePtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
171 ERR(": pDesc bad write pointer\n");
175 DM_STRUCT_INIT(pDesc
);
176 memcpy (pDesc
, &This
->Desc
, sizeof(DMUS_OBJECTDESC
));
181 static HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface
, LPDMUS_OBJECTDESC pDesc
) {
182 DWORD dwNewFlags
= 0;
183 DWORD dwFlagDifference
;
184 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
185 TRACE("(%p, %p):\n", This
, pDesc
);
187 /* check if whe can read whole pDesc */
188 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
189 ERR(": pDesc->dwSize bad read pointer\n");
192 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
193 ERR(": invalid pDesc->dwSize\n");
196 if (IsBadReadPtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
197 ERR(": pDesc bad read pointer\n");
201 if (pDesc
->dwValidData
& DMUS_OBJ_OBJECT
) {
202 memcpy (&This
->Desc
.guidObject
, &pDesc
->guidObject
, sizeof(GUID
));
203 dwNewFlags
|= DMUS_OBJ_OBJECT
;
205 if (pDesc
->dwValidData
& DMUS_OBJ_NAME
) {
206 lstrcpynW (This
->Desc
.wszName
, pDesc
->wszName
, DMUS_MAX_NAME
);
207 dwNewFlags
|= DMUS_OBJ_NAME
;
209 if (pDesc
->dwValidData
& DMUS_OBJ_CATEGORY
) {
210 lstrcpynW (This
->Desc
.wszCategory
, pDesc
->wszCategory
, DMUS_MAX_CATEGORY
);
211 dwNewFlags
|= DMUS_OBJ_CATEGORY
;
213 if (pDesc
->dwValidData
& (DMUS_OBJ_FILENAME
| DMUS_OBJ_FULLPATH
)) {
214 lstrcpynW (This
->Desc
.wszFileName
, pDesc
->wszFileName
, DMUS_MAX_FILENAME
);
215 dwNewFlags
|= (pDesc
->dwValidData
& (DMUS_OBJ_FILENAME
| DMUS_OBJ_FULLPATH
));
217 if (pDesc
->dwValidData
& DMUS_OBJ_VERSION
) {
218 This
->Desc
.vVersion
.dwVersionLS
= pDesc
->vVersion
.dwVersionLS
;
219 This
->Desc
.vVersion
.dwVersionMS
= pDesc
->vVersion
.dwVersionMS
;
220 dwNewFlags
|= DMUS_OBJ_VERSION
;
222 if (pDesc
->dwValidData
& DMUS_OBJ_DATE
) {
223 This
->Desc
.ftDate
.dwHighDateTime
= pDesc
->ftDate
.dwHighDateTime
;
224 This
->Desc
.ftDate
.dwLowDateTime
= pDesc
->ftDate
.dwLowDateTime
;
225 dwNewFlags
|= DMUS_OBJ_DATE
;
228 This
->Desc
.dwValidData
|= dwNewFlags
;
230 dwFlagDifference
= pDesc
->dwValidData
- dwNewFlags
;
231 if (dwFlagDifference
) {
232 pDesc
->dwValidData
&= ~dwFlagDifference
; /* and with bitwise complement */
237 static HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface
, LPSTREAM pStream
, LPDMUS_OBJECTDESC pDesc
) {
238 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
240 DWORD StreamSize
, StreamCount
, ListSize
[1], ListCount
[1];
241 LARGE_INTEGER liMove
; /* used when skipping chunks */
243 TRACE("(%p, %p, %p)\n", This
, pStream
, pDesc
);
245 /* check whether arguments are OK */
246 if (IsBadReadPtr (pStream
, sizeof(LPVOID
))) {
247 ERR(": pStream bad read pointer\n");
250 /* check whether pDesc is OK */
251 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
252 ERR(": pDesc->dwSize bad read pointer\n");
255 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
256 ERR(": invalid pDesc->dwSize\n");
259 if (IsBadWritePtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
260 ERR(": pDesc bad write pointer\n");
264 DM_STRUCT_INIT(pDesc
);
267 IStream_Read (pStream
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
268 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
269 switch (Chunk
.fccID
) {
271 IStream_Read (pStream
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
272 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
273 StreamSize
= Chunk
.dwSize
- sizeof(FOURCC
);
275 if (Chunk
.fccID
== DMUS_FOURCC_CONTAINER_FORM
) {
276 TRACE_(dmfile
)(": container form\n");
278 pDesc
->dwValidData
|= DMUS_OBJ_CLASS
;
279 memcpy (&pDesc
->guidClass
, &CLSID_DirectMusicContainer
, sizeof(CLSID
));
281 IStream_Read (pStream
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
282 StreamCount
+= sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
283 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
284 switch (Chunk
.fccID
) {
285 case DMUS_FOURCC_GUID_CHUNK
: {
286 TRACE_(dmfile
)(": GUID chunk\n");
287 pDesc
->dwValidData
|= DMUS_OBJ_OBJECT
;
288 IStream_Read (pStream
, &pDesc
->guidObject
, Chunk
.dwSize
, NULL
);
289 TRACE_(dmdump
)(": GUID: %s\n", debugstr_guid(&pDesc
->guidObject
));
292 case DMUS_FOURCC_VERSION_CHUNK
: {
293 TRACE_(dmfile
)(": version chunk\n");
294 pDesc
->dwValidData
|= DMUS_OBJ_VERSION
;
295 IStream_Read (pStream
, &pDesc
->vVersion
, Chunk
.dwSize
, NULL
);
296 TRACE_(dmdump
)(": version: %s\n", debugstr_dmversion(&pDesc
->vVersion
));
299 case DMUS_FOURCC_DATE_CHUNK
: {
300 TRACE_(dmfile
)(": date chunk\n");
301 IStream_Read (pStream
, &pDesc
->ftDate
, Chunk
.dwSize
, NULL
);
302 pDesc
->dwValidData
|= DMUS_OBJ_DATE
;
303 TRACE_(dmdump
)(": date: %s\n", debugstr_filetime(&pDesc
->ftDate
));
306 case DMUS_FOURCC_CATEGORY_CHUNK
: {
307 TRACE_(dmfile
)(": category chunk\n");
308 /* if it happens that string is too long,
309 read what we can and skip the rest*/
310 if (Chunk
.dwSize
> DMUS_MAX_CATEGORY_SIZE
) {
311 IStream_Read (pStream
, pDesc
->wszCategory
, DMUS_MAX_CATEGORY_SIZE
, NULL
);
312 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_CATEGORY_SIZE
;
313 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
315 IStream_Read (pStream
, pDesc
->wszCategory
, Chunk
.dwSize
, NULL
);
317 pDesc
->dwValidData
|= DMUS_OBJ_CATEGORY
;
318 TRACE_(dmdump
)(": category: %s\n", debugstr_w(pDesc
->wszCategory
));
322 IStream_Read (pStream
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
323 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
324 ListSize
[0] = Chunk
.dwSize
- sizeof(FOURCC
);
326 switch (Chunk
.fccID
) {
327 /* evil M$ UNFO list, which can (!?) contain INFO elements */
328 case DMUS_FOURCC_UNFO_LIST
: {
329 TRACE_(dmfile
)(": UNFO list\n");
331 IStream_Read (pStream
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
332 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
333 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
334 switch (Chunk
.fccID
) {
335 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
336 (though strings seem to be valid unicode) */
337 case mmioFOURCC('I','N','A','M'):
338 case DMUS_FOURCC_UNAM_CHUNK
: {
339 TRACE_(dmfile
)(": name chunk\n");
340 /* if it happens that string is too long,
341 read what we can and skip the rest*/
342 if (Chunk
.dwSize
> DMUS_MAX_NAME_SIZE
) {
343 IStream_Read (pStream
, pDesc
->wszName
, DMUS_MAX_NAME_SIZE
, NULL
);
344 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_NAME_SIZE
;
345 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
347 IStream_Read (pStream
, pDesc
->wszName
, Chunk
.dwSize
, NULL
);
349 pDesc
->dwValidData
|= DMUS_OBJ_NAME
;
350 TRACE_(dmdump
)(": name: %s\n", debugstr_w(pDesc
->wszName
));
354 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
355 liMove
.QuadPart
= Chunk
.dwSize
;
356 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
360 TRACE_(dmfile
)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount
[0], ListSize
[0]);
361 } while (ListCount
[0] < ListSize
[0]);
365 TRACE_(dmfile
)(": unknown (skipping)\n");
366 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
367 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
374 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
375 liMove
.QuadPart
= Chunk
.dwSize
;
376 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
380 TRACE_(dmfile
)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount
, StreamSize
);
381 } while (StreamCount
< StreamSize
);
383 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
384 liMove
.QuadPart
= StreamSize
;
385 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
389 TRACE_(dmfile
)(": reading finished\n");
393 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
394 liMove
.QuadPart
= Chunk
.dwSize
;
395 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
396 return DMUS_E_INVALIDFILE
;
400 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc
));
404 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl
= {
405 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface
,
406 IDirectMusicContainerImpl_IDirectMusicObject_AddRef
,
407 IDirectMusicContainerImpl_IDirectMusicObject_Release
,
408 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor
,
409 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor
,
410 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
413 /* IPersistStream part: */
414 static HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface
, REFIID riid
, LPVOID
*ppobj
) {
415 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
416 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
, riid
, ppobj
);
419 static ULONG WINAPI
IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface
) {
420 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
421 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
424 static ULONG WINAPI
IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface
) {
425 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
426 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
429 static HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface
, CLSID
* pClassID
) {
430 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
432 TRACE("(%p, %p)\n", This
, pClassID
);
433 if (IsBadWritePtr (pClassID
, sizeof(CLSID
))) {
434 ERR(": pClassID bad write pointer\n");
438 *pClassID
= CLSID_DirectMusicContainer
;
442 static HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface
) {
443 /* FIXME: is implemented (somehow) */
447 static HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface
, IStream
* pStm
) {
448 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
450 DWORD StreamSize
, StreamCount
, ListSize
[3], ListCount
[3];
451 LARGE_INTEGER liMove
; /* used when skipping chunks */
452 ULARGE_INTEGER uliPos
; /* needed when dealing with RIFF chunks */
453 LPDIRECTMUSICGETLOADER pGetLoader
;
454 LPDIRECTMUSICLOADER pLoader
;
455 HRESULT result
= S_OK
;
457 TRACE("(%p, %p):\n", This
, pStm
);
459 /* check whether pStm is valid read pointer */
460 if (IsBadReadPtr (pStm
, sizeof(LPVOID
))) {
461 ERR(": pStm bad read pointer\n");
464 /* if stream is already set, this means we're loaded already */
466 TRACE(": stream is already set, which means container is already loaded\n");
467 return DMUS_E_ALREADY_LOADED
;
470 /* get loader since it will be needed later */
471 if (FAILED(IStream_QueryInterface (pStm
, &IID_IDirectMusicGetLoader
, (LPVOID
*)&pGetLoader
))) {
472 ERR(": stream not supported\n");
473 return DMUS_E_UNSUPPORTED_STREAM
;
475 IDirectMusicGetLoader_GetLoader (pGetLoader
, &pLoader
);
476 IDirectMusicGetLoader_Release (pGetLoader
);
478 This
->pStream
= pStm
;
479 IStream_AddRef (pStm
); /* add count for later references */
481 /* start with load */
482 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
483 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
484 switch (Chunk
.fccID
) {
486 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
487 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
488 StreamSize
= Chunk
.dwSize
- sizeof(FOURCC
);
490 switch (Chunk
.fccID
) {
491 case DMUS_FOURCC_CONTAINER_FORM
: {
492 TRACE_(dmfile
)(": container form\n");
493 memcpy (&This
->Desc
.guidClass
, &CLSID_DirectMusicContainer
, sizeof(CLSID
));
494 This
->Desc
.dwValidData
|= DMUS_OBJ_CLASS
;
496 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
497 StreamCount
+= sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
498 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
499 switch (Chunk
.fccID
) {
500 case DMUS_FOURCC_CONTAINER_CHUNK
: {
501 TRACE_(dmfile
)(": container header chunk\n");
502 IStream_Read (pStm
, &This
->Header
, Chunk
.dwSize
, NULL
);
503 TRACE_(dmdump
)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This
->Header
));
506 case DMUS_FOURCC_GUID_CHUNK
: {
507 TRACE_(dmfile
)(": GUID chunk\n");
508 IStream_Read (pStm
, &This
->Desc
.guidObject
, Chunk
.dwSize
, NULL
);
509 This
->Desc
.dwValidData
|= DMUS_OBJ_OBJECT
;
510 TRACE_(dmdump
)(": GUID: %s\n", debugstr_guid(&This
->Desc
.guidObject
));
513 case DMUS_FOURCC_VERSION_CHUNK
: {
514 TRACE_(dmfile
)(": version chunk\n");
515 IStream_Read (pStm
, &This
->Desc
.vVersion
, Chunk
.dwSize
, NULL
);
516 This
->Desc
.dwValidData
|= DMUS_OBJ_VERSION
;
517 TRACE_(dmdump
)(": version: %s\n", debugstr_dmversion(&This
->Desc
.vVersion
));
520 case DMUS_FOURCC_DATE_CHUNK
: {
521 TRACE_(dmfile
)(": date chunk\n");
522 IStream_Read (pStm
, &This
->Desc
.ftDate
, Chunk
.dwSize
, NULL
);
523 This
->Desc
.dwValidData
|= DMUS_OBJ_DATE
;
524 TRACE_(dmdump
)(": date: %s\n", debugstr_filetime(&This
->Desc
.ftDate
));
527 case DMUS_FOURCC_CATEGORY_CHUNK
: {
528 TRACE_(dmfile
)(": category chunk\n");
529 /* if it happens that string is too long,
530 read what we can and skip the rest*/
531 if (Chunk
.dwSize
> DMUS_MAX_CATEGORY_SIZE
) {
532 IStream_Read (pStm
, This
->Desc
.wszCategory
, DMUS_MAX_CATEGORY_SIZE
, NULL
);
533 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_CATEGORY_SIZE
;
534 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
536 IStream_Read (pStm
, This
->Desc
.wszCategory
, Chunk
.dwSize
, NULL
);
538 This
->Desc
.dwValidData
|= DMUS_OBJ_CATEGORY
;
539 TRACE_(dmdump
)(": category: %s\n", debugstr_w(This
->Desc
.wszCategory
));
543 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
544 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
545 ListSize
[0] = Chunk
.dwSize
- sizeof(FOURCC
);
547 switch (Chunk
.fccID
) {
548 case DMUS_FOURCC_UNFO_LIST
: {
549 TRACE_(dmfile
)(": UNFO list\n");
551 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
552 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
553 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
554 switch (Chunk
.fccID
) {
555 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
556 (though strings seem to be valid unicode) */
557 case mmioFOURCC('I','N','A','M'):
558 case DMUS_FOURCC_UNAM_CHUNK
: {
559 TRACE_(dmfile
)(": name chunk\n");
560 /* if it happens that string is too long,
561 read what we can and skip the rest*/
562 if (Chunk
.dwSize
> DMUS_MAX_NAME_SIZE
) {
563 IStream_Read (pStm
, This
->Desc
.wszName
, DMUS_MAX_NAME_SIZE
, NULL
);
564 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_NAME_SIZE
;
565 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
567 IStream_Read (pStm
, This
->Desc
.wszName
, Chunk
.dwSize
, NULL
);
569 This
->Desc
.dwValidData
|= DMUS_OBJ_NAME
;
570 TRACE_(dmdump
)(": name: %s\n", debugstr_w(This
->Desc
.wszName
));
574 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
575 liMove
.QuadPart
= Chunk
.dwSize
;
576 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
580 TRACE_(dmfile
)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount
[0], ListSize
[0]);
581 } while (ListCount
[0] < ListSize
[0]);
584 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST
: {
585 TRACE_(dmfile
)(": contained objects list\n");
587 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
588 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
589 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
590 switch (Chunk
.fccID
) {
592 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
593 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
594 ListSize
[1] = Chunk
.dwSize
- sizeof(FOURCC
);
596 switch (Chunk
.fccID
) {
597 case DMUS_FOURCC_CONTAINED_OBJECT_LIST
: {
598 LPWINE_CONTAINER_ENTRY pNewEntry
;
599 TRACE_(dmfile
)(": contained object list\n");
600 pNewEntry
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, sizeof(WINE_CONTAINER_ENTRY
));
601 DM_STRUCT_INIT(&pNewEntry
->Desc
);
603 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
604 ListCount
[1] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
605 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
606 switch (Chunk
.fccID
) {
607 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK
: {
608 TRACE_(dmfile
)(": alias chunk\n");
609 pNewEntry
->wszAlias
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, Chunk
.dwSize
);
610 IStream_Read (pStm
, pNewEntry
->wszAlias
, Chunk
.dwSize
, NULL
);
611 TRACE_(dmdump
)(": alias: %s\n", debugstr_w(pNewEntry
->wszAlias
));
614 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK
: {
615 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader
;
616 TRACE_(dmfile
)(": contained object header chunk\n");
617 IStream_Read (pStm
, &tmpObjectHeader
, Chunk
.dwSize
, NULL
);
618 TRACE_(dmdump
)(": contained object header: \n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader
));
620 pNewEntry
->Desc
.dwValidData
|= DMUS_OBJ_CLASS
;
621 memcpy (&pNewEntry
->Desc
.guidClass
, &tmpObjectHeader
.guidClassID
, sizeof(GUID
));
623 pNewEntry
->dwFlags
= tmpObjectHeader
.dwFlags
;
626 /* now read data... it may be safe to read everything after object header chunk,
627 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
629 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
630 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
631 ListSize
[2] = Chunk
.dwSize
- sizeof(FOURCC
);
633 switch (Chunk
.fccID
) {
634 case DMUS_FOURCC_REF_LIST
: {
635 TRACE_(dmfile
)(": reference list\n");
636 pNewEntry
->bIsRIFF
= 0;
638 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
639 ListCount
[2] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
640 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
641 switch (Chunk
.fccID
) {
642 case DMUS_FOURCC_REF_CHUNK
: {
643 DMUS_IO_REFERENCE tmpReferenceHeader
; /* temporary structure */
644 TRACE_(dmfile
)(": reference header chunk\n");
645 memset (&tmpReferenceHeader
, 0, sizeof(DMUS_IO_REFERENCE
));
646 IStream_Read (pStm
, &tmpReferenceHeader
, Chunk
.dwSize
, NULL
);
647 /* copy retrieved data to DMUS_OBJECTDESC */
648 if (!IsEqualCLSID (&pNewEntry
->Desc
.guidClass
, &tmpReferenceHeader
.guidClassID
)) ERR(": object header declares different CLSID than reference header?\n");
649 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
650 yet if they happen to be different, I'd rather stick to this one */
651 memcpy (&pNewEntry
->Desc
.guidClass
, &tmpReferenceHeader
.guidClassID
, sizeof(GUID
));
652 pNewEntry
->Desc
.dwValidData
|= tmpReferenceHeader
.dwValidData
;
655 case DMUS_FOURCC_GUID_CHUNK
: {
656 TRACE_(dmfile
)(": guid chunk\n");
657 /* no need to set flags since they were copied from reference header */
658 IStream_Read (pStm
, &pNewEntry
->Desc
.guidObject
, Chunk
.dwSize
, NULL
);
661 case DMUS_FOURCC_DATE_CHUNK
: {
662 TRACE_(dmfile
)(": file date chunk\n");
663 /* no need to set flags since they were copied from reference header */
664 IStream_Read (pStm
, &pNewEntry
->Desc
.ftDate
, Chunk
.dwSize
, NULL
);
667 case DMUS_FOURCC_NAME_CHUNK
: {
668 TRACE_(dmfile
)(": name chunk\n");
669 /* no need to set flags since they were copied from reference header */
670 IStream_Read (pStm
, pNewEntry
->Desc
.wszName
, Chunk
.dwSize
, NULL
);
673 case DMUS_FOURCC_FILE_CHUNK
: {
674 TRACE_(dmfile
)(": file name chunk\n");
675 /* no need to set flags since they were copied from reference header */
676 IStream_Read (pStm
, pNewEntry
->Desc
.wszFileName
, Chunk
.dwSize
, NULL
);
679 case DMUS_FOURCC_CATEGORY_CHUNK
: {
680 TRACE_(dmfile
)(": category chunk\n");
681 /* no need to set flags since they were copied from reference header */
682 IStream_Read (pStm
, pNewEntry
->Desc
.wszCategory
, Chunk
.dwSize
, NULL
);
685 case DMUS_FOURCC_VERSION_CHUNK
: {
686 TRACE_(dmfile
)(": version chunk\n");
687 /* no need to set flags since they were copied from reference header */
688 IStream_Read (pStm
, &pNewEntry
->Desc
.vVersion
, Chunk
.dwSize
, NULL
);
692 TRACE_(dmfile
)(": unknown chunk (skipping)\n");
693 liMove
.QuadPart
= Chunk
.dwSize
;
694 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip this chunk */
698 TRACE_(dmfile
)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount
[2], ListSize
[2]);
699 } while (ListCount
[2] < ListSize
[2]);
703 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
711 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
712 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
713 if (IS_VALID_DMFORM (Chunk
.fccID
)) {
714 TRACE_(dmfile
)(": valid DMUSIC form\n");
715 pNewEntry
->bIsRIFF
= 1;
716 /* we'll have to skip whole RIFF chunk after SetObject is called */
718 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, &uliPos
);
719 uliPos
.QuadPart
+= (Chunk
.dwSize
- sizeof(FOURCC
)); /* set uliPos at the end of RIFF chunk */
720 /* move at the beginning of RIFF chunk */
722 liMove
.QuadPart
-= (sizeof(FOURCC
)+sizeof(DWORD
)+sizeof(FOURCC
));
723 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
724 /* put pointer to stream in descriptor */
725 pNewEntry
->Desc
.dwValidData
|= DMUS_OBJ_STREAM
;
726 pNewEntry
->Desc
.pStream
= pStm
; /* we don't have to worry about cloning, since SetObject will perform it */
727 /* wait till we get on the end of object list */
729 TRACE_(dmfile
)(": invalid DMUSIC form (skipping)\n");
730 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
731 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
732 /* FIXME: should we return E_FAIL? */
737 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
738 liMove
.QuadPart
= Chunk
.dwSize
;
739 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
743 TRACE_(dmfile
)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount
[1], ListSize
[1]);
744 } while (ListCount
[1] < ListSize
[1]);
745 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
746 IDirectMusicLoader_SetObject (pLoader
, &pNewEntry
->Desc
);
747 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
748 or not, since we have to clean evidence of loading through stream... *sigh*
749 and we have to skip rest of the chunk, if we loaded through RIFF */
750 if (pNewEntry
->bIsRIFF
) {
751 liMove
.QuadPart
= uliPos
.QuadPart
;
752 IStream_Seek (pStm
, liMove
, STREAM_SEEK_SET
, NULL
);
753 pNewEntry
->Desc
.dwValidData
&= ~DMUS_OBJ_STREAM
; /* clear flag (and with bitwise complement) */
754 pNewEntry
->Desc
.pStream
= NULL
;
756 /* add entry to list of objects */
757 list_add_tail (This
->pContainedObjects
, &pNewEntry
->entry
);
761 TRACE_(dmfile
)(": unknown (skipping)\n");
762 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
763 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
770 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
771 liMove
.QuadPart
= Chunk
.dwSize
;
772 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
776 TRACE_(dmfile
)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount
[0], ListSize
[0]);
777 } while (ListCount
[0] < ListSize
[0]);
781 TRACE_(dmfile
)(": unknown (skipping)\n");
782 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
783 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
790 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
791 liMove
.QuadPart
= Chunk
.dwSize
;
792 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
796 TRACE_(dmfile
)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount
, StreamSize
);
797 } while (StreamCount
< StreamSize
);
801 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
802 liMove
.QuadPart
= StreamSize
;
803 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
807 TRACE_(dmfile
)(": reading finished\n");
808 This
->Desc
.dwValidData
|= DMUS_OBJ_LOADED
;
812 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
813 liMove
.QuadPart
= Chunk
.dwSize
;
814 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
819 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
820 so when we call GetObject later, they'll already be in cache */
821 if (!(This
->Header
.dwFlags
& DMUS_CONTAINER_NOLOADS
)) {
823 LPWINE_CONTAINER_ENTRY pContainedObject
;
825 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
827 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
828 IDirectMusicObject
* pObject
;
829 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
830 /* get object from loader and then release it */
831 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader
, &pContainedObject
->Desc
, &IID_IDirectMusicObject
, (LPVOID
*)&pObject
))) {
832 pContainedObject
->pObject
= pObject
; /* for final release */
833 IDirectMusicObject_Release (pObject
); /* we don't really need this one */
835 WARN(": failed to load contained object\n");
836 result
= DMUS_S_PARTIALLOAD
;
841 IDirectMusicLoader_Release (pLoader
); /* release loader */
844 /* DEBUG: dumps whole container object tree: */
845 if (TRACE_ON(dmloader
)) {
847 LPWINE_CONTAINER_ENTRY tmpEntry
;
848 struct list
*listEntry
;
850 TRACE("*** IDirectMusicContainer (%p) ***\n", This
->ContainerVtbl
);
851 TRACE(" - Objects:\n");
852 LIST_FOR_EACH (listEntry
, This
->pContainedObjects
) {
853 tmpEntry
= LIST_ENTRY( listEntry
, WINE_CONTAINER_ENTRY
, entry
);
854 TRACE(" - Object[%i]:\n", r
);
855 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry
->wszAlias
));
856 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry
->Desc
));
865 static HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface
, IStream
* pStm
, BOOL fClearDirty
) {
866 ERR(": should not be needed\n");
870 static HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface
, ULARGE_INTEGER
* pcbSize
) {
871 ERR(": should not be needed\n");
875 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl
= {
876 IDirectMusicContainerImpl_IPersistStream_QueryInterface
,
877 IDirectMusicContainerImpl_IPersistStream_AddRef
,
878 IDirectMusicContainerImpl_IPersistStream_Release
,
879 IDirectMusicContainerImpl_IPersistStream_GetClassID
,
880 IDirectMusicContainerImpl_IPersistStream_IsDirty
,
881 IDirectMusicContainerImpl_IPersistStream_Load
,
882 IDirectMusicContainerImpl_IPersistStream_Save
,
883 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
886 /* for ClassFactory */
887 HRESULT WINAPI
DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID
, LPVOID
* ppobj
, LPUNKNOWN pUnkOuter
) {
888 IDirectMusicContainerImpl
* obj
;
890 obj
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(IDirectMusicContainerImpl
));
893 return E_OUTOFMEMORY
;
895 obj
->ContainerVtbl
= &DirectMusicContainer_Container_Vtbl
;
896 obj
->ObjectVtbl
= &DirectMusicContainer_Object_Vtbl
;
897 obj
->PersistStreamVtbl
= &DirectMusicContainer_PersistStream_Vtbl
;
898 obj
->dwRef
= 0; /* will be inited by QueryInterface */
899 obj
->pContainedObjects
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, sizeof(struct list
));
900 list_init (obj
->pContainedObjects
);
902 /* increase number of instances */
903 InterlockedIncrement (&dwDirectMusicContainer
);
905 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER
)&obj
->ContainerVtbl
, lpcGUID
, ppobj
);
908 HRESULT WINAPI
DMUSIC_DestroyDirectMusicContainerImpl (LPDIRECTMUSICCONTAINER iface
) {
909 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
910 LPDIRECTMUSICLOADER pLoader
;
911 LPDIRECTMUSICGETLOADER pGetLoader
;
913 LPWINE_CONTAINER_ENTRY pContainedObject
;
915 /* get loader (from stream we loaded from) */
916 TRACE(": getting loader\n");
917 IStream_QueryInterface (This
->pStream
, &IID_IDirectMusicGetLoader
, (LPVOID
*)&pGetLoader
);
918 IDirectMusicGetLoader_GetLoader (pGetLoader
, &pLoader
);
919 IDirectMusicGetLoader_Release (pGetLoader
);
921 /* release objects from loader's cache (if appropriate) */
922 TRACE(": releasing objects from loader's cache\n");
923 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
924 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
925 /* my tests indicate that container releases objects *only*
926 if they were loaded at it's load-time (makes sense, it doesn't
927 have pointers to objects otherwise); BTW: native container seems
928 ti ignore the flags (I won't) */
929 if (pContainedObject
->pObject
&& !(pContainedObject
->dwFlags
& DMUS_CONTAINED_OBJF_KEEP
)) {
930 /* flags say it shouldn't be kept in loader's cache */
931 IDirectMusicLoader_ReleaseObject (pLoader
, pContainedObject
->pObject
);
934 IDirectMusicLoader_Release (pLoader
);
936 /* release stream we loaded from */
937 IStream_Release (This
->pStream
);
939 /* FIXME: release allocated entries */
941 /* decrease number of instances */
942 InterlockedDecrement (&dwDirectMusicContainer
);