1 /* IDirectMusicContainerImpl
3 * Copyright (C) 2003-2004 Rok Mandeljc
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (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 GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License 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"
23 WINE_DEFAULT_DEBUG_CHANNEL(dmloader
);
24 WINE_DECLARE_DEBUG_CHANNEL(dmfile
);
25 WINE_DECLARE_DEBUG_CHANNEL(dmdump
);
27 #define DMUS_MAX_CATEGORY_SIZE DMUS_MAX_CATEGORY*sizeof(WCHAR)
28 #define DMUS_MAX_NAME_SIZE DMUS_MAX_NAME*sizeof(WCHAR)
29 #define DMUS_MAX_FILENAME_SIZE DMUS_MAX_FILENAME*sizeof(WCHAR)
31 typedef struct riff_chunk
{
36 /* contained object entry */
37 typedef struct container_entry
{
41 DWORD dwFlags
; /* DMUS_CONTAINED_OBJF_KEEP: keep object in loader's cache, even when container is released */
43 IDirectMusicObject
*pObject
; /* needed when releasing from loader's cache on container release */
44 } WINE_CONTAINER_ENTRY
, *LPWINE_CONTAINER_ENTRY
;
46 /*****************************************************************************
47 * IDirectMusicContainerImpl implementation
49 typedef struct IDirectMusicContainerImpl
{
50 IDirectMusicContainer IDirectMusicContainer_iface
;
51 struct dmobject dmobj
;
54 DMUS_IO_CONTAINER_HEADER Header
; /* header */
55 struct list
*pContainedObjects
; /* data */
56 } IDirectMusicContainerImpl
;
58 static inline IDirectMusicContainerImpl
*impl_from_IDirectMusicContainer(IDirectMusicContainer
*iface
)
60 return CONTAINING_RECORD(iface
, IDirectMusicContainerImpl
, IDirectMusicContainer_iface
);
63 static HRESULT
destroy_dmcontainer(IDirectMusicContainerImpl
*This
)
65 LPDIRECTMUSICLOADER pLoader
;
66 LPDIRECTMUSICGETLOADER pGetLoader
;
68 LPWINE_CONTAINER_ENTRY pContainedObject
;
70 /* get loader (from stream we loaded from) */
71 TRACE(": getting loader\n");
72 IStream_QueryInterface (This
->pStream
, &IID_IDirectMusicGetLoader
, (LPVOID
*)&pGetLoader
);
73 IDirectMusicGetLoader_GetLoader (pGetLoader
, &pLoader
);
74 IDirectMusicGetLoader_Release (pGetLoader
);
76 /* release objects from loader's cache (if appropriate) */
77 TRACE(": releasing objects from loader's cache\n");
78 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
79 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
80 /* my tests indicate that container releases objects *only*
81 if they were loaded at its load-time (makes sense, it doesn't
82 have pointers to objects otherwise); BTW: native container seems
83 to ignore the flags (I won't) */
84 if (pContainedObject
->pObject
&& !(pContainedObject
->dwFlags
& DMUS_CONTAINED_OBJF_KEEP
)) {
85 /* flags say it shouldn't be kept in loader's cache */
86 IDirectMusicLoader_ReleaseObject (pLoader
, pContainedObject
->pObject
);
89 IDirectMusicLoader_Release (pLoader
);
91 /* release stream we loaded from */
92 IStream_Release (This
->pStream
);
94 /* FIXME: release allocated entries */
99 static HRESULT WINAPI
IDirectMusicContainerImpl_QueryInterface(IDirectMusicContainer
*iface
, REFIID riid
, void **ret_iface
)
101 IDirectMusicContainerImpl
*This
= impl_from_IDirectMusicContainer(iface
);
103 TRACE("(%p, %s, %p)\n", This
, debugstr_dmguid(riid
), ret_iface
);
105 if (IsEqualIID (riid
, &IID_IUnknown
) || IsEqualIID (riid
, &IID_IDirectMusicContainer
))
106 *ret_iface
= &This
->IDirectMusicContainer_iface
;
107 else if (IsEqualIID (riid
, &IID_IDirectMusicObject
))
108 *ret_iface
= &This
->dmobj
.IDirectMusicObject_iface
;
109 else if (IsEqualIID (riid
, &IID_IPersistStream
))
110 *ret_iface
= &This
->dmobj
.IPersistStream_iface
;
112 WARN("Unknown interface %s\n", debugstr_dmguid(riid
));
114 return E_NOINTERFACE
;
117 IUnknown_AddRef((IUnknown
*)*ret_iface
);
121 static ULONG WINAPI
IDirectMusicContainerImpl_AddRef(IDirectMusicContainer
*iface
)
123 IDirectMusicContainerImpl
*This
= impl_from_IDirectMusicContainer(iface
);
124 LONG ref
= InterlockedIncrement(&This
->ref
);
126 TRACE("(%p) ref=%d\n", This
, ref
);
131 static ULONG WINAPI
IDirectMusicContainerImpl_Release(IDirectMusicContainer
*iface
)
133 IDirectMusicContainerImpl
*This
= impl_from_IDirectMusicContainer(iface
);
134 LONG ref
= InterlockedDecrement(&This
->ref
);
136 TRACE("(%p) ref=%d\n", This
, ref
);
140 destroy_dmcontainer(This
);
141 HeapFree(GetProcessHeap(), 0, This
);
148 static HRESULT WINAPI
IDirectMusicContainerImpl_EnumObject(IDirectMusicContainer
*iface
,
149 REFGUID rguidClass
, DWORD dwIndex
, DMUS_OBJECTDESC
*pDesc
, WCHAR
*pwszAlias
)
151 IDirectMusicContainerImpl
*This
= impl_from_IDirectMusicContainer(iface
);
153 LPWINE_CONTAINER_ENTRY pContainedObject
;
156 TRACE("(%p, %s, %d, %p, %p)\n", This
, debugstr_dmguid(rguidClass
), dwIndex
, pDesc
, pwszAlias
);
160 if (pDesc
->dwSize
!= sizeof(DMUS_OBJECTDESC
)) {
161 ERR(": invalid pDesc->dwSize %d\n", pDesc
->dwSize
);
165 DM_STRUCT_INIT(pDesc
);
167 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
168 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
170 if (IsEqualGUID (rguidClass
, &GUID_DirectMusicAllTypes
) || IsEqualGUID (rguidClass
, &pContainedObject
->Desc
.guidClass
)) {
171 if (dwCount
== dwIndex
) {
172 HRESULT result
= S_OK
;
174 lstrcpynW (pwszAlias
, pContainedObject
->wszAlias
, DMUS_MAX_FILENAME
);
175 if (strlenW (pContainedObject
->wszAlias
) > DMUS_MAX_FILENAME
)
176 result
= DMUS_S_STRING_TRUNCATED
;
178 *pDesc
= pContainedObject
->Desc
;
185 TRACE(": not found\n");
189 static const IDirectMusicContainerVtbl dmcontainer_vtbl
= {
190 IDirectMusicContainerImpl_QueryInterface
,
191 IDirectMusicContainerImpl_AddRef
,
192 IDirectMusicContainerImpl_Release
,
193 IDirectMusicContainerImpl_EnumObject
196 /* IDirectMusicObject part: */
197 static HRESULT WINAPI
cont_IDirectMusicObject_ParseDescriptor(IDirectMusicObject
*iface
,
198 IStream
*stream
, DMUS_OBJECTDESC
*desc
)
200 struct chunk_entry riff
= {0};
203 TRACE("(%p, %p, %p)\n", iface
, stream
, desc
);
207 if (!desc
|| desc
->dwSize
!= sizeof(*desc
))
210 if ((hr
= stream_get_chunk(stream
, &riff
)) != S_OK
)
212 if (riff
.id
!= FOURCC_RIFF
|| riff
.type
!= DMUS_FOURCC_CONTAINER_FORM
) {
213 TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff
));
214 stream_skip_chunk(stream
, &riff
);
215 return DMUS_E_DESCEND_CHUNK_FAIL
;
218 hr
= dmobj_parsedescriptor(stream
, &riff
, desc
,
219 DMUS_OBJ_OBJECT
|DMUS_OBJ_CLASS
|DMUS_OBJ_NAME
|DMUS_OBJ_CATEGORY
|DMUS_OBJ_VERSION
);
223 desc
->guidClass
= CLSID_DirectMusicContainer
;
224 desc
->dwValidData
|= DMUS_OBJ_CLASS
;
226 TRACE("returning descriptor:\n");
227 dump_DMUS_OBJECTDESC (desc
);
231 static const IDirectMusicObjectVtbl dmobject_vtbl
= {
232 dmobj_IDirectMusicObject_QueryInterface
,
233 dmobj_IDirectMusicObject_AddRef
,
234 dmobj_IDirectMusicObject_Release
,
235 dmobj_IDirectMusicObject_GetDescriptor
,
236 dmobj_IDirectMusicObject_SetDescriptor
,
237 cont_IDirectMusicObject_ParseDescriptor
240 /* IPersistStream part: */
241 static inline IDirectMusicContainerImpl
*impl_from_IPersistStream(IPersistStream
*iface
)
243 return CONTAINING_RECORD(iface
, IDirectMusicContainerImpl
, dmobj
.IPersistStream_iface
);
246 static HRESULT WINAPI
IPersistStreamImpl_Load(IPersistStream
*iface
, IStream
*pStm
)
248 IDirectMusicContainerImpl
*This
= impl_from_IPersistStream(iface
);
250 DWORD StreamSize
, StreamCount
, ListSize
[3], ListCount
[3];
251 LARGE_INTEGER liMove
; /* used when skipping chunks */
252 ULARGE_INTEGER uliPos
; /* needed when dealing with RIFF chunks */
253 LPDIRECTMUSICGETLOADER pGetLoader
;
254 LPDIRECTMUSICLOADER pLoader
;
255 HRESULT result
= S_OK
;
257 TRACE("(%p, %p):\n", This
, pStm
);
259 /* check whether pStm is valid read pointer */
260 if (IsBadReadPtr (pStm
, sizeof(LPVOID
))) {
261 ERR(": pStm bad read pointer\n");
264 /* if stream is already set, this means the container is already loaded */
266 TRACE(": stream is already set, which means container is already loaded\n");
267 return DMUS_E_ALREADY_LOADED
;
270 /* get loader since it will be needed later */
271 if (FAILED(IStream_QueryInterface (pStm
, &IID_IDirectMusicGetLoader
, (LPVOID
*)&pGetLoader
))) {
272 ERR(": stream not supported\n");
273 return DMUS_E_UNSUPPORTED_STREAM
;
275 IDirectMusicGetLoader_GetLoader (pGetLoader
, &pLoader
);
276 IDirectMusicGetLoader_Release (pGetLoader
);
278 This
->pStream
= pStm
;
279 IStream_AddRef (pStm
); /* add count for later references */
281 /* start with load */
282 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
283 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
284 switch (Chunk
.fccID
) {
286 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
287 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
288 StreamSize
= Chunk
.dwSize
- sizeof(FOURCC
);
290 switch (Chunk
.fccID
) {
291 case DMUS_FOURCC_CONTAINER_FORM
: {
292 TRACE_(dmfile
)(": container form\n");
293 This
->dmobj
.desc
.guidClass
= CLSID_DirectMusicContainer
;
294 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_CLASS
;
296 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
297 StreamCount
+= sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
298 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
299 switch (Chunk
.fccID
) {
300 case DMUS_FOURCC_CONTAINER_CHUNK
: {
301 TRACE_(dmfile
)(": container header chunk\n");
302 IStream_Read (pStm
, &This
->Header
, Chunk
.dwSize
, NULL
);
303 TRACE_(dmdump
)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This
->Header
));
306 case DMUS_FOURCC_GUID_CHUNK
: {
307 TRACE_(dmfile
)(": GUID chunk\n");
308 IStream_Read (pStm
, &This
->dmobj
.desc
.guidObject
, Chunk
.dwSize
, NULL
);
309 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_OBJECT
;
310 TRACE_(dmdump
)(": GUID: %s\n", debugstr_guid(&This
->dmobj
.desc
.guidObject
));
313 case DMUS_FOURCC_VERSION_CHUNK
: {
314 TRACE_(dmfile
)(": version chunk\n");
315 IStream_Read (pStm
, &This
->dmobj
.desc
.vVersion
, Chunk
.dwSize
, NULL
);
316 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_VERSION
;
317 TRACE_(dmdump
)(": version: %s\n", debugstr_dmversion(&This
->dmobj
.desc
.vVersion
));
320 case DMUS_FOURCC_DATE_CHUNK
: {
321 TRACE_(dmfile
)(": date chunk\n");
322 IStream_Read (pStm
, &This
->dmobj
.desc
.ftDate
, Chunk
.dwSize
, NULL
);
323 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_DATE
;
324 TRACE_(dmdump
)(": date: %s\n", debugstr_filetime(&This
->dmobj
.desc
.ftDate
));
327 case DMUS_FOURCC_CATEGORY_CHUNK
: {
328 TRACE_(dmfile
)(": category chunk\n");
329 /* if it happens that string is too long,
330 read what we can and skip the rest*/
331 if (Chunk
.dwSize
> DMUS_MAX_CATEGORY_SIZE
) {
332 IStream_Read (pStm
, This
->dmobj
.desc
.wszCategory
, DMUS_MAX_CATEGORY_SIZE
, NULL
);
333 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_CATEGORY_SIZE
;
334 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
336 IStream_Read (pStm
, This
->dmobj
.desc
.wszCategory
, Chunk
.dwSize
, NULL
);
338 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_CATEGORY
;
339 TRACE_(dmdump
)(": category: %s\n", debugstr_w(This
->dmobj
.desc
.wszCategory
));
343 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
344 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
345 ListSize
[0] = Chunk
.dwSize
- sizeof(FOURCC
);
347 switch (Chunk
.fccID
) {
348 case DMUS_FOURCC_UNFO_LIST
: {
349 TRACE_(dmfile
)(": UNFO list\n");
351 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
352 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
353 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
354 switch (Chunk
.fccID
) {
355 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
356 (though strings seem to be valid unicode) */
357 case mmioFOURCC('I','N','A','M'):
358 case DMUS_FOURCC_UNAM_CHUNK
: {
359 TRACE_(dmfile
)(": name chunk\n");
360 /* if it happens that string is too long,
361 read what we can and skip the rest*/
362 if (Chunk
.dwSize
> DMUS_MAX_NAME_SIZE
) {
363 IStream_Read (pStm
, This
->dmobj
.desc
.wszName
, DMUS_MAX_NAME_SIZE
, NULL
);
364 liMove
.QuadPart
= Chunk
.dwSize
- DMUS_MAX_NAME_SIZE
;
365 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
367 IStream_Read (pStm
, This
->dmobj
.desc
.wszName
, Chunk
.dwSize
, NULL
);
369 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_NAME
;
370 TRACE_(dmdump
)(": name: %s\n", debugstr_w(This
->dmobj
.desc
.wszName
));
374 TRACE_(dmfile
)(": unknown chunk (irrelevant & skipping)\n");
375 liMove
.QuadPart
= Chunk
.dwSize
;
376 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
380 TRACE_(dmfile
)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount
[0], ListSize
[0]);
381 } while (ListCount
[0] < ListSize
[0]);
384 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST
: {
385 TRACE_(dmfile
)(": contained objects list\n");
387 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
388 ListCount
[0] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
389 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
390 switch (Chunk
.fccID
) {
392 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
393 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
394 ListSize
[1] = Chunk
.dwSize
- sizeof(FOURCC
);
396 switch (Chunk
.fccID
) {
397 case DMUS_FOURCC_CONTAINED_OBJECT_LIST
: {
398 LPWINE_CONTAINER_ENTRY pNewEntry
;
399 TRACE_(dmfile
)(": contained object list\n");
400 pNewEntry
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, sizeof(WINE_CONTAINER_ENTRY
));
401 DM_STRUCT_INIT(&pNewEntry
->Desc
);
403 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
404 ListCount
[1] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
405 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
406 switch (Chunk
.fccID
) {
407 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK
: {
408 TRACE_(dmfile
)(": alias chunk\n");
409 pNewEntry
->wszAlias
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, Chunk
.dwSize
);
410 IStream_Read (pStm
, pNewEntry
->wszAlias
, Chunk
.dwSize
, NULL
);
411 TRACE_(dmdump
)(": alias: %s\n", debugstr_w(pNewEntry
->wszAlias
));
414 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK
: {
415 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader
;
416 TRACE_(dmfile
)(": contained object header chunk\n");
417 IStream_Read (pStm
, &tmpObjectHeader
, Chunk
.dwSize
, NULL
);
418 TRACE_(dmdump
)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader
));
420 pNewEntry
->Desc
.dwValidData
|= DMUS_OBJ_CLASS
;
421 pNewEntry
->Desc
.guidClass
= tmpObjectHeader
.guidClassID
;
423 pNewEntry
->dwFlags
= tmpObjectHeader
.dwFlags
;
426 /* now read data... it may be safe to read everything after object header chunk,
427 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
429 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
430 TRACE_(dmfile
)(": LIST chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
431 ListSize
[2] = Chunk
.dwSize
- sizeof(FOURCC
);
433 switch (Chunk
.fccID
) {
434 case DMUS_FOURCC_REF_LIST
: {
435 TRACE_(dmfile
)(": reference list\n");
436 pNewEntry
->bIsRIFF
= 0;
438 IStream_Read (pStm
, &Chunk
, sizeof(FOURCC
)+sizeof(DWORD
), NULL
);
439 ListCount
[2] += sizeof(FOURCC
) + sizeof(DWORD
) + Chunk
.dwSize
;
440 TRACE_(dmfile
)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk
.fccID
), Chunk
.dwSize
);
441 switch (Chunk
.fccID
) {
442 case DMUS_FOURCC_REF_CHUNK
: {
443 DMUS_IO_REFERENCE tmpReferenceHeader
; /* temporary structure */
444 TRACE_(dmfile
)(": reference header chunk\n");
445 memset (&tmpReferenceHeader
, 0, sizeof(DMUS_IO_REFERENCE
));
446 IStream_Read (pStm
, &tmpReferenceHeader
, Chunk
.dwSize
, NULL
);
447 /* copy retrieved data to DMUS_OBJECTDESC */
448 if (!IsEqualCLSID (&pNewEntry
->Desc
.guidClass
, &tmpReferenceHeader
.guidClassID
)) ERR(": object header declares different CLSID than reference header?\n");
449 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
450 yet if they happen to be different, I'd rather stick to this one */
451 pNewEntry
->Desc
.guidClass
= tmpReferenceHeader
.guidClassID
;
452 pNewEntry
->Desc
.dwValidData
|= tmpReferenceHeader
.dwValidData
;
455 case DMUS_FOURCC_GUID_CHUNK
: {
456 TRACE_(dmfile
)(": guid chunk\n");
457 /* no need to set flags since they were copied from reference header */
458 IStream_Read (pStm
, &pNewEntry
->Desc
.guidObject
, Chunk
.dwSize
, NULL
);
461 case DMUS_FOURCC_DATE_CHUNK
: {
462 TRACE_(dmfile
)(": file date chunk\n");
463 /* no need to set flags since they were copied from reference header */
464 IStream_Read (pStm
, &pNewEntry
->Desc
.ftDate
, Chunk
.dwSize
, NULL
);
467 case DMUS_FOURCC_NAME_CHUNK
: {
468 TRACE_(dmfile
)(": name chunk\n");
469 /* no need to set flags since they were copied from reference header */
470 IStream_Read (pStm
, pNewEntry
->Desc
.wszName
, Chunk
.dwSize
, NULL
);
473 case DMUS_FOURCC_FILE_CHUNK
: {
474 TRACE_(dmfile
)(": file name chunk\n");
475 /* no need to set flags since they were copied from reference header */
476 IStream_Read (pStm
, pNewEntry
->Desc
.wszFileName
, Chunk
.dwSize
, NULL
);
479 case DMUS_FOURCC_CATEGORY_CHUNK
: {
480 TRACE_(dmfile
)(": category chunk\n");
481 /* no need to set flags since they were copied from reference header */
482 IStream_Read (pStm
, pNewEntry
->Desc
.wszCategory
, Chunk
.dwSize
, NULL
);
485 case DMUS_FOURCC_VERSION_CHUNK
: {
486 TRACE_(dmfile
)(": version chunk\n");
487 /* no need to set flags since they were copied from reference header */
488 IStream_Read (pStm
, &pNewEntry
->Desc
.vVersion
, Chunk
.dwSize
, NULL
);
492 TRACE_(dmfile
)(": unknown chunk (skipping)\n");
493 liMove
.QuadPart
= Chunk
.dwSize
;
494 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip this chunk */
498 TRACE_(dmfile
)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount
[2], ListSize
[2]);
499 } while (ListCount
[2] < ListSize
[2]);
503 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
511 IStream_Read (pStm
, &Chunk
.fccID
, sizeof(FOURCC
), NULL
);
512 TRACE_(dmfile
)(": RIFF chunk of type %s", debugstr_fourcc(Chunk
.fccID
));
513 if (IS_VALID_DMFORM (Chunk
.fccID
)) {
514 TRACE_(dmfile
)(": valid DMUSIC form\n");
515 pNewEntry
->bIsRIFF
= 1;
516 /* we'll have to skip whole RIFF chunk after SetObject is called */
518 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, &uliPos
);
519 uliPos
.QuadPart
+= (Chunk
.dwSize
- sizeof(FOURCC
)); /* set uliPos at the end of RIFF chunk */
520 /* move at the beginning of RIFF chunk */
522 liMove
.QuadPart
-= (sizeof(FOURCC
)+sizeof(DWORD
)+sizeof(FOURCC
));
523 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
524 /* put pointer to stream in descriptor */
525 pNewEntry
->Desc
.dwValidData
|= DMUS_OBJ_STREAM
;
526 pNewEntry
->Desc
.pStream
= pStm
; /* we don't have to worry about cloning, since SetObject will perform it */
527 /* wait till we get on the end of object list */
529 TRACE_(dmfile
)(": invalid DMUSIC form (skipping)\n");
530 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
531 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
532 /* FIXME: should we return E_FAIL? */
537 TRACE_(dmfile
)(": unknown chunk (irrelevant & skipping)\n");
538 liMove
.QuadPart
= Chunk
.dwSize
;
539 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
543 TRACE_(dmfile
)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount
[1], ListSize
[1]);
544 } while (ListCount
[1] < ListSize
[1]);
545 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
546 IDirectMusicLoader_SetObject (pLoader
, &pNewEntry
->Desc
);
547 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
548 or not, since we have to clean evidence of loading through stream... *sigh*
549 and we have to skip rest of the chunk, if we loaded through RIFF */
550 if (pNewEntry
->bIsRIFF
) {
551 liMove
.QuadPart
= uliPos
.QuadPart
;
552 IStream_Seek (pStm
, liMove
, STREAM_SEEK_SET
, NULL
);
553 pNewEntry
->Desc
.dwValidData
&= ~DMUS_OBJ_STREAM
; /* clear flag (and with bitwise complement) */
554 pNewEntry
->Desc
.pStream
= NULL
;
556 /* add entry to list of objects */
557 list_add_tail (This
->pContainedObjects
, &pNewEntry
->entry
);
561 TRACE_(dmfile
)(": unknown (skipping)\n");
562 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
563 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
570 TRACE_(dmfile
)(": unknown chunk (irrelevant & skipping)\n");
571 liMove
.QuadPart
= Chunk
.dwSize
;
572 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
576 TRACE_(dmfile
)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount
[0], ListSize
[0]);
577 } while (ListCount
[0] < ListSize
[0]);
581 TRACE_(dmfile
)(": unknown (skipping)\n");
582 liMove
.QuadPart
= Chunk
.dwSize
- sizeof(FOURCC
);
583 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
590 TRACE_(dmfile
)(": unknown chunk (irrelevant & skipping)\n");
591 liMove
.QuadPart
= Chunk
.dwSize
;
592 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
);
596 TRACE_(dmfile
)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount
, StreamSize
);
597 } while (StreamCount
< StreamSize
);
601 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
602 liMove
.QuadPart
= StreamSize
;
603 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
607 TRACE_(dmfile
)(": reading finished\n");
608 This
->dmobj
.desc
.dwValidData
|= DMUS_OBJ_LOADED
;
612 TRACE_(dmfile
)(": unexpected chunk; loading failed)\n");
613 liMove
.QuadPart
= Chunk
.dwSize
;
614 IStream_Seek (pStm
, liMove
, STREAM_SEEK_CUR
, NULL
); /* skip the rest of the chunk */
619 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
620 so when we call GetObject later, they'll already be in cache */
621 if (!(This
->Header
.dwFlags
& DMUS_CONTAINER_NOLOADS
)) {
623 LPWINE_CONTAINER_ENTRY pContainedObject
;
625 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
627 LIST_FOR_EACH (pEntry
, This
->pContainedObjects
) {
628 IDirectMusicObject
* pObject
;
629 pContainedObject
= LIST_ENTRY (pEntry
, WINE_CONTAINER_ENTRY
, entry
);
630 /* get object from loader and then release it */
631 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader
, &pContainedObject
->Desc
, &IID_IDirectMusicObject
, (LPVOID
*)&pObject
))) {
632 pContainedObject
->pObject
= pObject
; /* for final release */
633 IDirectMusicObject_Release (pObject
); /* we don't really need this one */
635 WARN(": failed to load contained object\n");
636 result
= DMUS_S_PARTIALLOAD
;
641 IDirectMusicLoader_Release (pLoader
); /* release loader */
644 /* DEBUG: dumps whole container object tree: */
645 if (TRACE_ON(dmloader
)) {
647 LPWINE_CONTAINER_ENTRY tmpEntry
;
648 struct list
*listEntry
;
650 TRACE("*** IDirectMusicContainer (%p) ***\n", This
->ContainerVtbl
);
651 TRACE(" - Objects:\n");
652 LIST_FOR_EACH (listEntry
, This
->pContainedObjects
) {
653 tmpEntry
= LIST_ENTRY( listEntry
, WINE_CONTAINER_ENTRY
, entry
);
654 TRACE(" - Object[%i]:\n", r
);
655 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry
->wszAlias
));
656 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry
->Desc
));
665 static const IPersistStreamVtbl persiststream_vtbl
= {
666 dmobj_IPersistStream_QueryInterface
,
667 dmobj_IPersistStream_AddRef
,
668 dmobj_IPersistStream_Release
,
669 dmobj_IPersistStream_GetClassID
,
670 unimpl_IPersistStream_IsDirty
,
671 IPersistStreamImpl_Load
,
672 unimpl_IPersistStream_Save
,
673 unimpl_IPersistStream_GetSizeMax
676 /* for ClassFactory */
677 HRESULT WINAPI
create_dmcontainer(REFIID lpcGUID
, void **ppobj
)
679 IDirectMusicContainerImpl
* obj
;
682 obj
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(IDirectMusicContainerImpl
));
685 return E_OUTOFMEMORY
;
687 obj
->IDirectMusicContainer_iface
.lpVtbl
= &dmcontainer_vtbl
;
689 dmobject_init(&obj
->dmobj
, &CLSID_DirectMusicContainer
,
690 (IUnknown
*)&obj
->IDirectMusicContainer_iface
);
691 obj
->dmobj
.IDirectMusicObject_iface
.lpVtbl
= &dmobject_vtbl
;
692 obj
->dmobj
.IPersistStream_iface
.lpVtbl
= &persiststream_vtbl
;
693 obj
->pContainedObjects
= HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY
, sizeof(struct list
));
694 list_init (obj
->pContainedObjects
);
698 hr
= IDirectMusicContainer_QueryInterface(&obj
->IDirectMusicContainer_iface
, lpcGUID
, ppobj
);
699 IDirectMusicContainer_Release(&obj
->IDirectMusicContainer_iface
);