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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 /*****************************************************************************
31 * IDirectMusicContainerImpl implementation
33 /* IUnknown/IDirectMusicContainer part: */
34 HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface
, REFIID riid
, LPVOID
*ppobj
) {
35 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
37 TRACE("(%p, %s, %p)\n", This
, debugstr_dmguid(riid
), ppobj
);
38 if (IsEqualIID (riid
, &IID_IUnknown
) ||
39 IsEqualIID (riid
, &IID_IDirectMusicContainer
)) {
40 *ppobj
= (LPVOID
)&This
->ContainerVtbl
;
41 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
43 } else if (IsEqualIID (riid
, &IID_IDirectMusicObject
)) {
44 *ppobj
= (LPVOID
)&This
->ObjectVtbl
;
45 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT
)&This
->ObjectVtbl
);
47 } else if (IsEqualIID (riid
, &IID_IPersistStream
)) {
48 *ppobj
= (LPVOID
)&This
->PersistStreamVtbl
;
49 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM
)&This
->PersistStreamVtbl
);
53 WARN(": not found\n");
57 ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface
) {
58 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
59 TRACE("(%p): AddRef from %ld\n", This
, This
->dwRef
);
60 return InterlockedIncrement (&This
->dwRef
);
63 ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface
) {
64 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
66 DWORD dwRef
= InterlockedDecrement (&This
->dwRef
);
67 TRACE("(%p): ReleaseRef to %ld\n", This
, dwRef
);
69 DMUSIC_DestroyDirectMusicContainerImpl (iface
);
70 HeapFree(GetProcessHeap(), 0, This
);
76 HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface
, REFGUID rguidClass
, DWORD dwIndex
, LPDMUS_OBJECTDESC pDesc
, WCHAR
* pwszAlias
) {
77 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
79 LPWINE_CONTAINER_ENTRY pContainedObject
;
82 TRACE("(%p, %s, %ld, %p, %p)\n", This
, debugstr_dmguid(rguidClass
), dwIndex
, pDesc
, pwszAlias
);
84 /* check if we can write to whole pDesc */
86 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
87 ERR(": pDesc->dwSize bad read pointer\n");
90 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
91 ERR(": invalid pDesc->dwSize\n");
94 if (IsBadWritePtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
95 ERR(": pDesc bad write pointer\n");
99 /* check if we wszAlias is big enough */
100 if (pwszAlias
&& IsBadWritePtr (pwszAlias
, DMUS_MAX_FILENAME_SIZE
)) {
101 ERR(": wszAlias bad write pointer\n");
105 DM_STRUCT_INIT(pDesc
);
107 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
108 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
110 if (IsEqualGUID (rguidClass
, &GUID_DirectMusicAllTypes
) || IsEqualGUID (rguidClass
, &pContainedObject
->Desc
.guidClass
)) {
111 if (dwCount
== dwIndex
) {
112 HRESULT result
= S_OK
;
114 strncpyW (pwszAlias
, pContainedObject
->wszAlias
, DMUS_MAX_FILENAME
);
115 if (strlenW (pContainedObject
->wszAlias
) > DMUS_MAX_FILENAME
)
116 result
= DMUS_S_STRING_TRUNCATED
;
119 memcpy (pDesc
, &pContainedObject
->Desc
, sizeof(DMUS_OBJECTDESC
));
126 TRACE(": not found\n");
130 IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl
= {
131 IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface
,
132 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef
,
133 IDirectMusicContainerImpl_IDirectMusicContainer_Release
,
134 IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
137 /* IDirectMusicObject part: */
138 HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface
, REFIID riid
, LPVOID
*ppobj
) {
139 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
140 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
, riid
, ppobj
);
143 ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface
) {
144 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
145 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
148 ULONG WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface
) {
149 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
150 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
153 HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface
, LPDMUS_OBJECTDESC pDesc
) {
154 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
155 TRACE("(%p, %p):\n", This
, pDesc
);
157 /* check if whe can write to whole pDesc */
158 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
159 ERR(": pDesc->dwSize bad read pointer\n");
162 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
163 ERR(": invalid pDesc->dwSize\n");
166 if (IsBadWritePtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
167 ERR(": pDesc bad write pointer\n");
171 DM_STRUCT_INIT(pDesc
);
172 memcpy (pDesc
, &This
->Desc
, sizeof(DMUS_OBJECTDESC
));
177 HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface
, LPDMUS_OBJECTDESC pDesc
) {
178 DWORD dwNewFlags
= 0;
179 DWORD dwFlagDifference
;
180 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
181 TRACE("(%p, %p):\n", This
, pDesc
);
183 /* check if whe can read whole pDesc */
184 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
185 ERR(": pDesc->dwSize bad read pointer\n");
188 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
189 ERR(": invalid pDesc->dwSize\n");
192 if (IsBadReadPtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
193 ERR(": pDesc bad read pointer\n");
197 if (pDesc
->dwValidData
& DMUS_OBJ_OBJECT
) {
198 memcpy (&This
->Desc
.guidObject
, &pDesc
->guidObject
, sizeof(GUID
));
199 dwNewFlags
|= DMUS_OBJ_OBJECT
;
201 if (pDesc
->dwValidData
& DMUS_OBJ_NAME
) {
202 strncpyW (This
->Desc
.wszName
, pDesc
->wszName
, DMUS_MAX_NAME
);
203 dwNewFlags
|= DMUS_OBJ_NAME
;
205 if (pDesc
->dwValidData
& DMUS_OBJ_CATEGORY
) {
206 strncpyW (This
->Desc
.wszCategory
, pDesc
->wszCategory
, DMUS_MAX_CATEGORY
);
207 dwNewFlags
|= DMUS_OBJ_CATEGORY
;
209 if (pDesc
->dwValidData
& (DMUS_OBJ_FILENAME
| DMUS_OBJ_FULLPATH
)) {
210 strncpyW (This
->Desc
.wszFileName
, pDesc
->wszFileName
, DMUS_MAX_FILENAME
);
211 dwNewFlags
|= (pDesc
->dwValidData
& (DMUS_OBJ_FILENAME
| DMUS_OBJ_FULLPATH
));
213 if (pDesc
->dwValidData
& DMUS_OBJ_VERSION
) {
214 This
->Desc
.vVersion
.dwVersionLS
= pDesc
->vVersion
.dwVersionLS
;
215 This
->Desc
.vVersion
.dwVersionMS
= pDesc
->vVersion
.dwVersionMS
;
216 dwNewFlags
|= DMUS_OBJ_VERSION
;
218 if (pDesc
->dwValidData
& DMUS_OBJ_DATE
) {
219 This
->Desc
.ftDate
.dwHighDateTime
= pDesc
->ftDate
.dwHighDateTime
;
220 This
->Desc
.ftDate
.dwLowDateTime
= pDesc
->ftDate
.dwLowDateTime
;
221 dwNewFlags
|= DMUS_OBJ_DATE
;
224 This
->Desc
.dwValidData
|= dwNewFlags
;
226 dwFlagDifference
= pDesc
->dwValidData
- dwNewFlags
;
227 if (dwFlagDifference
) {
228 pDesc
->dwValidData
&= ~dwFlagDifference
; /* and with bitwise complement */
233 HRESULT WINAPI
IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface
, LPSTREAM pStream
, LPDMUS_OBJECTDESC pDesc
) {
234 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ObjectVtbl
, iface
);
236 DWORD StreamSize
, StreamCount
, ListSize
[1], ListCount
[1];
237 LARGE_INTEGER liMove
; /* used when skipping chunks */
239 TRACE("(%p, %p, %p)\n", This
, pStream
, pDesc
);
241 /* check whether arguments are OK */
242 if (IsBadReadPtr (pStream
, sizeof(LPVOID
))) {
243 ERR(": pStream bad read pointer\n");
246 /* check whether pDesc is OK */
247 if (IsBadReadPtr (pDesc
, sizeof(DWORD
))) {
248 ERR(": pDesc->dwSize bad read pointer\n");
251 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
252 ERR(": invalid pDesc->dwSize\n");
255 if (IsBadWritePtr (pDesc
, sizeof(DMUS_OBJECTDESC
))) {
256 ERR(": pDesc bad write pointer\n");
260 DM_STRUCT_INIT(pDesc
);
263 IStream_Read (pStream
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
264 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
265 switch (Chunk
.fccID
) {
267 IStream_Read (pStream
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
268 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
269 StreamSize
= Chunk
.dwSize
- sizeof(FOURCC
);
271 if (Chunk
.fccID
== DMUS_FOURCC_CONTAINER_FORM
) {
272 TRACE_(dmfile
)(": container form\n");
274 pDesc
->dwValidData
|= DMUS_OBJ_CLASS
;
275 memcpy (&pDesc
->guidClass
, &CLSID_DirectMusicContainer
, sizeof(CLSID
));
277 IStream_Read (pStream
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
278 StreamCount
+= sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
279 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
280 switch (Chunk
.fccID
) {
281 case DMUS_FOURCC_GUID_CHUNK
: {
282 TRACE_(dmfile
)(": GUID chunk\n");
283 pDesc
->dwValidData
|= DMUS_OBJ_OBJECT
;
284 IStream_Read (pStream
, &pDesc
->guidObject
, Chunk
.dwSize
, NULL
);
285 TRACE_(dmdump
)(": GUID: %s\n", debugstr_guid(&pDesc
->guidObject
));
288 case DMUS_FOURCC_VERSION_CHUNK
: {
289 TRACE_(dmfile
)(": version chunk\n");
290 pDesc
->dwValidData
|= DMUS_OBJ_VERSION
;
291 IStream_Read (pStream
, &pDesc
->vVersion
, Chunk
.dwSize
, NULL
);
292 TRACE_(dmdump
)(": version: %s\n", debugstr_dmversion(&pDesc
->vVersion
));
295 case DMUS_FOURCC_DATE_CHUNK
: {
296 TRACE_(dmfile
)(": date chunk\n");
297 IStream_Read (pStream
, &pDesc
->ftDate
, Chunk
.dwSize
, NULL
);
298 pDesc
->dwValidData
|= DMUS_OBJ_DATE
;
299 TRACE_(dmdump
)(": date: %s\n", debugstr_filetime(&pDesc
->ftDate
));
302 case DMUS_FOURCC_CATEGORY_CHUNK
: {
303 TRACE_(dmfile
)(": category chunk\n");
304 /* if it happens that string is too long,
305 read what we can and skip the rest*/
306 if (Chunk
.dwSize
> DMUS_MAX_CATEGORY_SIZE
) {
307 IStream_Read (pStream
, pDesc
->wszCategory
, DMUS_MAX_CATEGORY_SIZE
, NULL
);
308 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_CATEGORY_SIZE
;
309 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
311 IStream_Read (pStream
, pDesc
->wszCategory
, Chunk
.dwSize
, NULL
);
313 pDesc
->dwValidData
|= DMUS_OBJ_CATEGORY
;
314 TRACE_(dmdump
)(": category: %s\n", debugstr_w(pDesc
->wszCategory
));
318 IStream_Read (pStream
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
319 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
320 ListSize
[0] = Chunk
.dwSize
- sizeof(FOURCC
);
322 switch (Chunk
.fccID
) {
323 /* evil M$ UNFO list, which can (!?) contain INFO elements */
324 case DMUS_FOURCC_UNFO_LIST
: {
325 TRACE_(dmfile
)(": UNFO list\n");
327 IStream_Read (pStream
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
328 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
329 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
330 switch (Chunk
.fccID
) {
331 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
332 (though strings seem to be valid unicode) */
333 case mmioFOURCC('I','N','A','M'):
334 case DMUS_FOURCC_UNAM_CHUNK
: {
335 TRACE_(dmfile
)(": name chunk\n");
336 /* if it happens that string is too long,
337 read what we can and skip the rest*/
338 if (Chunk
.dwSize
> DMUS_MAX_NAME_SIZE
) {
339 IStream_Read (pStream
, pDesc
->wszName
, DMUS_MAX_NAME_SIZE
, NULL
);
340 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_NAME_SIZE
;
341 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
343 IStream_Read (pStream
, pDesc
->wszName
, Chunk
.dwSize
, NULL
);
345 pDesc
->dwValidData
|= DMUS_OBJ_NAME
;
346 TRACE_(dmdump
)(": name: %s\n", debugstr_w(pDesc
->wszName
));
350 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
351 liMove
.QuadPart
= Chunk
.dwSize
;
352 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
356 TRACE_(dmfile
)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount
[0], ListSize
[0]);
357 } while (ListCount
[0] < ListSize
[0]);
361 TRACE_(dmfile
)(": unknown (skipping)\n");
362 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
363 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
370 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
371 liMove
.QuadPart
= Chunk
.dwSize
;
372 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
);
376 TRACE_(dmfile
)(": StreamCount[0] = 0x%08lX < StreamSize[0] = 0x%08lX\n", StreamCount
, StreamSize
);
377 } while (StreamCount
< StreamSize
);
380 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
381 liMove
.QuadPart
= StreamSize
;
382 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
386 TRACE_(dmfile
)(": reading finished\n");
390 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
391 liMove
.QuadPart
= Chunk
.dwSize
;
392 IStream_Seek (pStream
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
393 return DMUS_E_INVALIDFILE
;
397 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc
));
401 IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl
= {
402 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface
,
403 IDirectMusicContainerImpl_IDirectMusicObject_AddRef
,
404 IDirectMusicContainerImpl_IDirectMusicObject_Release
,
405 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor
,
406 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor
,
407 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
410 /* IPersistStream part: */
411 HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface
, REFIID riid
, LPVOID
*ppobj
) {
412 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
413 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
, riid
, ppobj
);
416 ULONG WINAPI
IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface
) {
417 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
418 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
421 ULONG WINAPI
IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface
) {
422 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
423 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER
)&This
->ContainerVtbl
);
426 HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface
, CLSID
* pClassID
) {
427 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
429 TRACE("(%p, %p)\n", This
, pClassID
);
430 if (IsBadWritePtr (pClassID
, sizeof(CLSID
))) {
431 ERR(": pClassID bad write pointer\n");
435 *pClassID
= CLSID_DirectMusicContainer
;
439 HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface
) {
440 /* FIXME: is implemented (somehow) */
444 HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface
, IStream
* pStm
) {
445 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, PersistStreamVtbl
, iface
);
447 DWORD StreamSize
, StreamCount
, ListSize
[3], ListCount
[3];
448 LARGE_INTEGER liMove
; /* used when skipping chunks */
449 ULARGE_INTEGER uliPos
; /* needed when dealing with RIFF chunks */
450 LPDIRECTMUSICGETLOADER pGetLoader
;
451 LPDIRECTMUSICLOADER pLoader
;
452 HRESULT result
= S_OK
;
454 TRACE("(%p, %p):\n", This
, pStm
);
456 /* check whether pStm is valid read pointer */
457 if (IsBadReadPtr (pStm
, sizeof(LPVOID
))) {
458 ERR(": pStm bad read pointer\n");
461 /* if stream is already set, this means we're loaded already */
463 TRACE(": stream is already set, which means container is already loaded\n");
464 return DMUS_E_ALREADY_LOADED
;
467 /* get loader since it will be needed later */
468 if (FAILED(IStream_QueryInterface (pStm
, &IID_IDirectMusicGetLoader
, (LPVOID
*)&pGetLoader
))) {
469 ERR(": stream not supported\n");
470 return DMUS_E_UNSUPPORTED_STREAM
;
472 IDirectMusicGetLoader_GetLoader (pGetLoader
, &pLoader
);
473 IDirectMusicGetLoader_Release (pGetLoader
);
475 This
->pStream
= pStm
;
476 IStream_AddRef (pStm
); /* add count for later references */
478 /* start with load */
479 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
480 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
481 switch (Chunk
.fccID
) {
483 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
484 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
485 StreamSize
= Chunk
.dwSize
- sizeof(FOURCC
);
487 switch (Chunk
.fccID
) {
488 case DMUS_FOURCC_CONTAINER_FORM
: {
489 TRACE_(dmfile
)(": container form\n");
490 memcpy (&This
->Desc
.guidClass
, &CLSID_DirectMusicContainer
, sizeof(CLSID
));
491 This
->Desc
.dwValidData
|= DMUS_OBJ_CLASS
;
493 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
494 StreamCount
+= sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
495 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
496 switch (Chunk
.fccID
) {
497 case DMUS_FOURCC_CONTAINER_CHUNK
: {
498 TRACE_(dmfile
)(": container header chunk\n");
499 IStream_Read (pStm
, &This
->Header
, Chunk
.dwSize
, NULL
);
500 TRACE_(dmdump
)(": container header chunk:\n%s", debugstr_DMUS_IO_CONTAINER_HEADER(&This
->Header
));
503 case DMUS_FOURCC_GUID_CHUNK
: {
504 TRACE_(dmfile
)(": GUID chunk\n");
505 IStream_Read (pStm
, &This
->Desc
.guidObject
, Chunk
.dwSize
, NULL
);
506 This
->Desc
.dwValidData
|= DMUS_OBJ_OBJECT
;
507 TRACE_(dmdump
)(": GUID: %s\n", debugstr_guid(&This
->Desc
.guidObject
));
510 case DMUS_FOURCC_VERSION_CHUNK
: {
511 TRACE_(dmfile
)(": version chunk\n");
512 IStream_Read (pStm
, &This
->Desc
.vVersion
, Chunk
.dwSize
, NULL
);
513 This
->Desc
.dwValidData
|= DMUS_OBJ_VERSION
;
514 TRACE_(dmdump
)(": version: %s\n", debugstr_dmversion(&This
->Desc
.vVersion
));
517 case DMUS_FOURCC_DATE_CHUNK
: {
518 TRACE_(dmfile
)(": date chunk\n");
519 IStream_Read (pStm
, &This
->Desc
.ftDate
, Chunk
.dwSize
, NULL
);
520 This
->Desc
.dwValidData
|= DMUS_OBJ_DATE
;
521 TRACE_(dmdump
)(": date: %s\n", debugstr_filetime(&This
->Desc
.ftDate
));
524 case DMUS_FOURCC_CATEGORY_CHUNK
: {
525 TRACE_(dmfile
)(": category chunk\n");
526 /* if it happens that string is too long,
527 read what we can and skip the rest*/
528 if (Chunk
.dwSize
> DMUS_MAX_CATEGORY_SIZE
) {
529 IStream_Read (pStm
, This
->Desc
.wszCategory
, DMUS_MAX_CATEGORY_SIZE
, NULL
);
530 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_CATEGORY_SIZE
;
531 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
533 IStream_Read (pStm
, This
->Desc
.wszCategory
, Chunk
.dwSize
, NULL
);
535 This
->Desc
.dwValidData
|= DMUS_OBJ_CATEGORY
;
536 TRACE_(dmdump
)(": category: %s\n", debugstr_w(This
->Desc
.wszCategory
));
540 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
541 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
542 ListSize
[0] = Chunk
.dwSize
- sizeof(FOURCC
);
544 switch (Chunk
.fccID
) {
545 case DMUS_FOURCC_UNFO_LIST
: {
546 TRACE_(dmfile
)(": UNFO list\n");
548 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
549 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
550 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
551 switch (Chunk
.fccID
) {
552 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
553 (though strings seem to be valid unicode) */
554 case mmioFOURCC('I','N','A','M'):
555 case DMUS_FOURCC_UNAM_CHUNK
: {
556 TRACE_(dmfile
)(": name chunk\n");
557 /* if it happens that string is too long,
558 read what we can and skip the rest*/
559 if (Chunk
.dwSize
> DMUS_MAX_NAME_SIZE
) {
560 IStream_Read (pStm
, This
->Desc
.wszName
, DMUS_MAX_NAME_SIZE
, NULL
);
561 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_NAME_SIZE
;
562 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
564 IStream_Read (pStm
, This
->Desc
.wszName
, Chunk
.dwSize
, NULL
);
566 This
->Desc
.dwValidData
|= DMUS_OBJ_NAME
;
567 TRACE_(dmdump
)(": name: %s\n", debugstr_w(This
->Desc
.wszName
));
571 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
572 liMove
.QuadPart
= Chunk
.dwSize
;
573 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
577 TRACE_(dmfile
)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount
[0], ListSize
[0]);
578 } while (ListCount
[0] < ListSize
[0]);
581 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST
: {
582 TRACE_(dmfile
)(": contained objects list\n");
584 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
585 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
586 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
587 switch (Chunk
.fccID
) {
589 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
590 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
591 ListSize
[1] = Chunk
.dwSize
- sizeof(FOURCC
);
593 switch (Chunk
.fccID
) {
594 case DMUS_FOURCC_CONTAINED_OBJECT_LIST
: {
595 LPWINE_CONTAINER_ENTRY pNewEntry
;
596 TRACE_(dmfile
)(": contained object list\n");
597 pNewEntry
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, sizeof(WINE_CONTAINER_ENTRY
));
598 DM_STRUCT_INIT(&pNewEntry
->Desc
);
600 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
601 ListCount
[1] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
602 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
603 switch (Chunk
.fccID
) {
604 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK
: {
605 TRACE_(dmfile
)(": alias chunk\n");
606 pNewEntry
->wszAlias
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, Chunk
.dwSize
);
607 IStream_Read (pStm
, pNewEntry
->wszAlias
, Chunk
.dwSize
, NULL
);
608 TRACE_(dmdump
)(": alias: %s\n", debugstr_w(pNewEntry
->wszAlias
));
611 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK
: {
612 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader
;
613 TRACE_(dmfile
)(": contained object header chunk\n");
614 IStream_Read (pStm
, &tmpObjectHeader
, Chunk
.dwSize
, NULL
);
615 TRACE_(dmdump
)(": contained object header: \n%s", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader
));
617 pNewEntry
->Desc
.dwValidData
|= DMUS_OBJ_CLASS
;
618 memcpy (&pNewEntry
->Desc
.guidClass
, &tmpObjectHeader
.guidClassID
, sizeof(GUID
));
620 pNewEntry
->dwFlags
= tmpObjectHeader
.dwFlags
;
623 /* now read data... it may be safe to read everything after object header chunk,
624 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
626 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
627 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
628 ListSize
[2] = Chunk
.dwSize
- sizeof(FOURCC
);
630 switch (Chunk
.fccID
) {
631 case DMUS_FOURCC_REF_LIST
: {
632 TRACE_(dmfile
)(": reference list\n");
633 pNewEntry
->bIsRIFF
= 0;
635 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
636 ListCount
[2] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
637 TRACE_(dmfile
)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
638 switch (Chunk
.fccID
) {
639 case DMUS_FOURCC_REF_CHUNK
: {
640 DMUS_IO_REFERENCE tmpReferenceHeader
; /* temporary structure */
641 TRACE_(dmfile
)(": reference header chunk\n");
642 memset (&tmpReferenceHeader
, 0, sizeof(DMUS_IO_REFERENCE
));
643 IStream_Read (pStm
, &tmpReferenceHeader
, Chunk
.dwSize
, NULL
);
644 /* copy retrieved data to DMUS_OBJECTDESC */
645 if (!IsEqualCLSID (&pNewEntry
->Desc
.guidClass
, &tmpReferenceHeader
.guidClassID
)) ERR(": object header declares different CLSID than reference header?\n");
646 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
647 yet if they happen to be different, I'd rather stick to this one */
648 memcpy (&pNewEntry
->Desc
.guidClass
, &tmpReferenceHeader
.guidClassID
, sizeof(GUID
));
649 pNewEntry
->Desc
.dwValidData
|= tmpReferenceHeader
.dwValidData
;
652 case DMUS_FOURCC_GUID_CHUNK
: {
653 TRACE_(dmfile
)(": guid chunk\n");
654 /* no need to set flags since they were copied from reference header */
655 IStream_Read (pStm
, &pNewEntry
->Desc
.guidObject
, Chunk
.dwSize
, NULL
);
658 case DMUS_FOURCC_DATE_CHUNK
: {
659 TRACE_(dmfile
)(": file date chunk\n");
660 /* no need to set flags since they were copied from reference header */
661 IStream_Read (pStm
, &pNewEntry
->Desc
.ftDate
, Chunk
.dwSize
, NULL
);
664 case DMUS_FOURCC_NAME_CHUNK
: {
665 TRACE_(dmfile
)(": name chunk\n");
666 /* no need to set flags since they were copied from reference header */
667 IStream_Read (pStm
, pNewEntry
->Desc
.wszName
, Chunk
.dwSize
, NULL
);
670 case DMUS_FOURCC_FILE_CHUNK
: {
671 TRACE_(dmfile
)(": file name chunk\n");
672 /* no need to set flags since they were copied from reference header */
673 IStream_Read (pStm
, pNewEntry
->Desc
.wszFileName
, Chunk
.dwSize
, NULL
);
676 case DMUS_FOURCC_CATEGORY_CHUNK
: {
677 TRACE_(dmfile
)(": category chunk\n");
678 /* no need to set flags since they were copied from reference header */
679 IStream_Read (pStm
, pNewEntry
->Desc
.wszCategory
, Chunk
.dwSize
, NULL
);
682 case DMUS_FOURCC_VERSION_CHUNK
: {
683 TRACE_(dmfile
)(": version chunk\n");
684 /* no need to set flags since they were copied from reference header */
685 IStream_Read (pStm
, &pNewEntry
->Desc
.vVersion
, Chunk
.dwSize
, NULL
);
689 TRACE_(dmfile
)(": unknown chunk (skipping)\n");
690 liMove
.QuadPart
= Chunk
.dwSize
;
691 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip this chunk */
695 TRACE_(dmfile
)(": ListCount[2] = 0x%08lX < ListSize[2] = 0x%08lX\n", ListCount
[2], ListSize
[2]);
696 } while (ListCount
[2] < ListSize
[2]);
700 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
708 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
709 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
710 if (IS_VALID_DMFORM (Chunk
.fccID
)) {
711 TRACE_(dmfile
)(": valid DMUSIC form\n");
712 pNewEntry
->bIsRIFF
= 1;
713 /* we'll have to skip whole RIFF chunk after SetObject is called */
715 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, &uliPos
);
716 uliPos
.QuadPart
+= (Chunk
.dwSize
- sizeof(FOURCC
)); /* set uliPos at the end of RIFF chunk */
717 /* move at the beginning of RIFF chunk */
719 liMove
.QuadPart
-= (sizeof(FOURCC
)+sizeof(DWORD
)+sizeof(FOURCC
));
720 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
721 /* put pointer to stream in descriptor */
722 pNewEntry
->Desc
.dwValidData
|= DMUS_OBJ_STREAM
;
723 pNewEntry
->Desc
.pStream
= pStm
; /* we don't have to worry about cloning, since SetObject will perform it */
724 /* wait till we get on the end of object list */
726 TRACE_(dmfile
)(": invalid DMUSIC form (skipping)\n");
727 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
728 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
729 /* FIXME: should we return E_FAIL? */
734 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
735 liMove
.QuadPart
= Chunk
.dwSize
;
736 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
740 TRACE_(dmfile
)(": ListCount[1] = 0x%08lX < ListSize[1] = 0x%08lX\n", ListCount
[1], ListSize
[1]);
741 } while (ListCount
[1] < ListSize
[1]);
742 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
743 IDirectMusicLoader_SetObject (pLoader
, &pNewEntry
->Desc
);
744 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
745 or not, since we have to clean evidence of loading through stream... *sigh*
746 and we have to skip rest of the chunk, if we loaded through RIFF */
747 if (pNewEntry
->bIsRIFF
) {
748 liMove
.QuadPart
= uliPos
.QuadPart
;
749 IStream_Seek (pStm
, liMove
, STREAM_SEEK_SET
, NULL
);
750 pNewEntry
->Desc
.dwValidData
&= ~DMUS_OBJ_STREAM
; /* clear flag (and with bitwise complement) */
751 pNewEntry
->Desc
.pStream
= NULL
;
753 /* add entry to list of objects */
754 list_add_tail (This
->pContainedObjects
, &pNewEntry
->entry
);
758 TRACE_(dmfile
)(": unknown (skipping)\n");
759 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
760 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
767 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
768 liMove
.QuadPart
= Chunk
.dwSize
;
769 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
773 TRACE_(dmfile
)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount
[0], ListSize
[0]);
774 } while (ListCount
[0] < ListSize
[0]);
778 TRACE_(dmfile
)(": unknown (skipping)\n");
779 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
780 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
787 TRACE_(dmfile
)(": unknown chunk (irrevelant & skipping)\n");
788 liMove
.QuadPart
= Chunk
.dwSize
;
789 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
793 TRACE_(dmfile
)(": StreamCount[0] = 0x%08lX < StreamSize[0] = 0x%08lX\n", StreamCount
, StreamSize
);
794 } while (StreamCount
< StreamSize
);
798 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
799 liMove
.QuadPart
= StreamSize
;
800 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
804 TRACE_(dmfile
)(": reading finished\n");
805 This
->Desc
.dwValidData
|= DMUS_OBJ_LOADED
;
809 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
810 liMove
.QuadPart
= Chunk
.dwSize
;
811 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
816 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
817 so when we call GetObject later, they'll already be in cache */
818 if (!(This
->Header
.dwFlags
& DMUS_CONTAINER_NOLOADS
)) {
820 LPWINE_CONTAINER_ENTRY pContainedObject
;
822 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
824 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
825 IDirectMusicObject
* pObject
;
826 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
827 /* get object from loader and then release it */
828 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader
, &pContainedObject
->Desc
, &IID_IDirectMusicObject
, (LPVOID
*)&pObject
))) {
829 pContainedObject
->pObject
= pObject
; /* for final release */
830 IDirectMusicObject_Release (pObject
); /* we don't really need this one */
832 WARN(": failed to load contained object\n");
833 result
= DMUS_S_PARTIALLOAD
;
838 IDirectMusicLoader_Release (pLoader
); /* release loader */
841 /* DEBUG: dumps whole container object tree: */
842 if (TRACE_ON(dmloader
)) {
844 LPWINE_CONTAINER_ENTRY tmpEntry
;
845 struct list
*listEntry
;
847 TRACE("*** IDirectMusicContainer (%p) ***\n", This
->ContainerVtbl
);
848 TRACE(" - Objects:\n");
849 LIST_FOR_EACH (listEntry
, This
->pContainedObjects
) {
850 tmpEntry
= LIST_ENTRY( listEntry
, WINE_CONTAINER_ENTRY
, entry
);
851 TRACE(" - Object[%i]:\n", r
);
852 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry
->wszAlias
));
853 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry
->Desc
));
862 HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface
, IStream
* pStm
, BOOL fClearDirty
) {
863 ERR(": should not be needed\n");
867 HRESULT WINAPI
IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface
, ULARGE_INTEGER
* pcbSize
) {
868 ERR(": should not be needed\n");
872 IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl
= {
873 IDirectMusicContainerImpl_IPersistStream_QueryInterface
,
874 IDirectMusicContainerImpl_IPersistStream_AddRef
,
875 IDirectMusicContainerImpl_IPersistStream_Release
,
876 IDirectMusicContainerImpl_IPersistStream_GetClassID
,
877 IDirectMusicContainerImpl_IPersistStream_IsDirty
,
878 IDirectMusicContainerImpl_IPersistStream_Load
,
879 IDirectMusicContainerImpl_IPersistStream_Save
,
880 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
883 /* for ClassFactory */
884 HRESULT WINAPI
DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID
, LPVOID
* ppobj
, LPUNKNOWN pUnkOuter
) {
885 IDirectMusicContainerImpl
* obj
;
887 obj
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(IDirectMusicContainerImpl
));
889 *ppobj
= (LPVOID
) NULL
;
890 return E_OUTOFMEMORY
;
892 obj
->ContainerVtbl
= &DirectMusicContainer_Container_Vtbl
;
893 obj
->ObjectVtbl
= &DirectMusicContainer_Object_Vtbl
;
894 obj
->PersistStreamVtbl
= &DirectMusicContainer_PersistStream_Vtbl
;
895 obj
->dwRef
= 0; /* will be inited by QueryInterface */
896 obj
->pContainedObjects
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, sizeof(struct list
));
897 list_init (obj
->pContainedObjects
);
899 /* increase number of instances */
900 InterlockedIncrement (&dwDirectMusicContainer
);
902 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER
)&obj
->ContainerVtbl
, lpcGUID
, ppobj
);
905 HRESULT WINAPI
DMUSIC_DestroyDirectMusicContainerImpl (LPDIRECTMUSICCONTAINER iface
) {
906 ICOM_THIS_MULTI(IDirectMusicContainerImpl
, ContainerVtbl
, iface
);
907 LPDIRECTMUSICLOADER pLoader
;
908 LPDIRECTMUSICGETLOADER pGetLoader
;
910 LPWINE_CONTAINER_ENTRY pContainedObject
;
912 /* get loader (from stream we loaded from) */
913 TRACE(": getting loader\n");
914 IStream_QueryInterface (This
->pStream
, &IID_IDirectMusicGetLoader
, (LPVOID
*)&pGetLoader
);
915 IDirectMusicGetLoader_GetLoader (pGetLoader
, &pLoader
);
916 IDirectMusicGetLoader_Release (pGetLoader
);
918 /* release objects from loader's cache (if appropriate) */
919 TRACE(": releasing objects from loader's cache\n");
920 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
921 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
922 /* my tests indicate that container releases objects *only*
923 if they were loaded at it's load-time (makes sense, it doesn't
924 have pointers to objects otherwise); BTW: native container seems
925 ti ignore the flags (I won't) */
926 if (pContainedObject
->pObject
&& !(pContainedObject
->dwFlags
& DMUS_CONTAINED_OBJF_KEEP
)) {
927 /* flags say it shouldn't be kept in loader's cache */
928 IDirectMusicLoader_ReleaseObject (pLoader
, pContainedObject
->pObject
);
931 IDirectMusicLoader_Release (pLoader
);
933 /* release stream we loaded from */
934 IStream_Release (This
->pStream
);
936 /* FIXME: release allocated entries */
938 /* decrease number of instances */
939 InterlockedDecrement (&dwDirectMusicContainer
);