xmllite: Use buffer offset instead of pointers.
[wine.git] / dlls / dmloader / container.c
blob68ee57383959d1b8d04cddf72514fb25d3d674be
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"
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: */
39 static HRESULT DMUSIC_DestroyDirectMusicContainerImpl (LPDIRECTMUSICCONTAINER iface) {
40 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
41 LPDIRECTMUSICLOADER pLoader;
42 LPDIRECTMUSICGETLOADER pGetLoader;
43 struct list *pEntry;
44 LPWINE_CONTAINER_ENTRY pContainedObject;
46 /* get loader (from stream we loaded from) */
47 TRACE(": getting loader\n");
48 IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
49 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
50 IDirectMusicGetLoader_Release (pGetLoader);
52 /* release objects from loader's cache (if appropriate) */
53 TRACE(": releasing objects from loader's cache\n");
54 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
55 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
56 /* my tests indicate that container releases objects *only*
57 if they were loaded at its load-time (makes sense, it doesn't
58 have pointers to objects otherwise); BTW: native container seems
59 to ignore the flags (I won't) */
60 if (pContainedObject->pObject && !(pContainedObject->dwFlags & DMUS_CONTAINED_OBJF_KEEP)) {
61 /* flags say it shouldn't be kept in loader's cache */
62 IDirectMusicLoader_ReleaseObject (pLoader, pContainedObject->pObject);
65 IDirectMusicLoader_Release (pLoader);
67 /* release stream we loaded from */
68 IStream_Release (This->pStream);
70 /* FIXME: release allocated entries */
71 unlock_module();
73 return S_OK;
76 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface, REFIID riid, LPVOID *ppobj) {
77 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
79 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
80 if (IsEqualIID (riid, &IID_IUnknown) ||
81 IsEqualIID (riid, &IID_IDirectMusicContainer)) {
82 *ppobj = &This->ContainerVtbl;
83 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
84 return S_OK;
85 } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
86 *ppobj = &This->ObjectVtbl;
87 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
88 return S_OK;
89 } else if (IsEqualIID (riid, &IID_IPersistStream)) {
90 *ppobj = &This->PersistStreamVtbl;
91 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
92 return S_OK;
95 WARN(": not found\n");
96 return E_NOINTERFACE;
99 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface) {
100 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
101 TRACE("(%p): AddRef from %d\n", This, This->dwRef);
102 return InterlockedIncrement (&This->dwRef);
105 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface) {
106 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
108 DWORD dwRef = InterlockedDecrement (&This->dwRef);
109 TRACE("(%p): ReleaseRef to %d\n", This, dwRef);
110 if (dwRef == 0) {
111 DMUSIC_DestroyDirectMusicContainerImpl (iface);
112 HeapFree(GetProcessHeap(), 0, This);
115 return dwRef;
118 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc, WCHAR* pwszAlias) {
119 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
120 struct list *pEntry;
121 LPWINE_CONTAINER_ENTRY pContainedObject;
122 DWORD dwCount = 0;
124 TRACE("(%p, %s, %d, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
126 if (!pDesc)
127 return E_POINTER;
128 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
129 ERR(": invalid pDesc->dwSize %d\n", pDesc->dwSize);
130 return E_INVALIDARG;
133 DM_STRUCT_INIT(pDesc);
135 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
136 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
138 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
139 if (dwCount == dwIndex) {
140 HRESULT result = S_OK;
141 if (pwszAlias) {
142 lstrcpynW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
143 if (strlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
144 result = DMUS_S_STRING_TRUNCATED;
146 *pDesc = pContainedObject->Desc;
147 return result;
149 dwCount++;
153 TRACE(": not found\n");
154 return S_FALSE;
157 static const IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl = {
158 IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface,
159 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef,
160 IDirectMusicContainerImpl_IDirectMusicContainer_Release,
161 IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
164 /* IDirectMusicObject part: */
165 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
166 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
167 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
170 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
171 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
172 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
175 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
176 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
177 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
180 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
181 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
182 TRACE("(%p, %p):\n", This, pDesc);
184 /* check if we can write to whole pDesc */
185 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
186 ERR(": pDesc->dwSize bad read pointer\n");
187 return E_POINTER;
189 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
190 ERR(": invalid pDesc->dwSize\n");
191 return E_INVALIDARG;
193 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
194 ERR(": pDesc bad write pointer\n");
195 return E_POINTER;
198 DM_STRUCT_INIT(pDesc);
199 *pDesc = This->Desc;
201 return S_OK;
204 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
205 DWORD dwNewFlags = 0;
206 DWORD dwFlagDifference;
207 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
208 TRACE("(%p, %p):\n", This, pDesc);
210 /* check if we can read whole pDesc */
211 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
212 ERR(": pDesc->dwSize bad read pointer\n");
213 return E_POINTER;
215 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
216 ERR(": invalid pDesc->dwSize\n");
217 return E_INVALIDARG;
219 if (IsBadReadPtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
220 ERR(": pDesc bad read pointer\n");
221 return E_POINTER;
224 if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
225 This->Desc.guidObject = pDesc->guidObject;
226 dwNewFlags |= DMUS_OBJ_OBJECT;
228 if (pDesc->dwValidData & DMUS_OBJ_NAME) {
229 lstrcpynW (This->Desc.wszName, pDesc->wszName, DMUS_MAX_NAME);
230 dwNewFlags |= DMUS_OBJ_NAME;
232 if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) {
233 lstrcpynW (This->Desc.wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
234 dwNewFlags |= DMUS_OBJ_CATEGORY;
236 if (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) {
237 lstrcpynW (This->Desc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
238 dwNewFlags |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
240 if (pDesc->dwValidData & DMUS_OBJ_VERSION) {
241 This->Desc.vVersion.dwVersionLS = pDesc->vVersion.dwVersionLS;
242 This->Desc.vVersion.dwVersionMS = pDesc->vVersion.dwVersionMS;
243 dwNewFlags |= DMUS_OBJ_VERSION;
245 if (pDesc->dwValidData & DMUS_OBJ_DATE) {
246 This->Desc.ftDate.dwHighDateTime = pDesc->ftDate.dwHighDateTime;
247 This->Desc.ftDate.dwLowDateTime = pDesc->ftDate.dwLowDateTime;
248 dwNewFlags |= DMUS_OBJ_DATE;
250 /* set new flags */
251 This->Desc.dwValidData |= dwNewFlags;
253 dwFlagDifference = pDesc->dwValidData - dwNewFlags;
254 if (dwFlagDifference) {
255 pDesc->dwValidData &= ~dwFlagDifference; /* and with bitwise complement */
256 return S_FALSE;
257 } else return S_OK;
260 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
261 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
262 WINE_CHUNK Chunk;
263 DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
264 LARGE_INTEGER liMove; /* used when skipping chunks */
266 TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
268 /* check whether arguments are OK */
269 if (IsBadReadPtr (pStream, sizeof(LPVOID))) {
270 ERR(": pStream bad read pointer\n");
271 return E_POINTER;
273 /* check whether pDesc is OK */
274 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
275 ERR(": pDesc->dwSize bad read pointer\n");
276 return E_POINTER;
278 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
279 ERR(": invalid pDesc->dwSize\n");
280 return E_INVALIDARG;
282 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
283 ERR(": pDesc bad write pointer\n");
284 return E_POINTER;
287 DM_STRUCT_INIT(pDesc);
289 /* here we go... */
290 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
291 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
292 switch (Chunk.fccID) {
293 case FOURCC_RIFF: {
294 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
295 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
296 StreamSize = Chunk.dwSize - sizeof(FOURCC);
297 StreamCount = 0;
298 if (Chunk.fccID == DMUS_FOURCC_CONTAINER_FORM) {
299 TRACE_(dmfile)(": container form\n");
300 /* set guidClass */
301 pDesc->dwValidData |= DMUS_OBJ_CLASS;
302 pDesc->guidClass = CLSID_DirectMusicContainer;
303 do {
304 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
305 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
306 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
307 switch (Chunk.fccID) {
308 case DMUS_FOURCC_GUID_CHUNK: {
309 TRACE_(dmfile)(": GUID chunk\n");
310 pDesc->dwValidData |= DMUS_OBJ_OBJECT;
311 IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
312 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&pDesc->guidObject));
313 break;
315 case DMUS_FOURCC_VERSION_CHUNK: {
316 TRACE_(dmfile)(": version chunk\n");
317 pDesc->dwValidData |= DMUS_OBJ_VERSION;
318 IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
319 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&pDesc->vVersion));
320 break;
322 case DMUS_FOURCC_DATE_CHUNK: {
323 TRACE_(dmfile)(": date chunk\n");
324 IStream_Read (pStream, &pDesc->ftDate, Chunk.dwSize, NULL);
325 pDesc->dwValidData |= DMUS_OBJ_DATE;
326 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&pDesc->ftDate));
327 break;
329 case DMUS_FOURCC_CATEGORY_CHUNK: {
330 TRACE_(dmfile)(": category chunk\n");
331 /* if it happens that string is too long,
332 read what we can and skip the rest*/
333 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
334 IStream_Read (pStream, pDesc->wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
335 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
336 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
337 } else {
338 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
340 pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
341 TRACE_(dmdump)(": category: %s\n", debugstr_w(pDesc->wszCategory));
342 break;
344 case FOURCC_LIST: {
345 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
346 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
347 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
348 ListCount[0] = 0;
349 switch (Chunk.fccID) {
350 /* evil M$ UNFO list, which can (!?) contain INFO elements */
351 case DMUS_FOURCC_UNFO_LIST: {
352 TRACE_(dmfile)(": UNFO list\n");
353 do {
354 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
355 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
356 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
357 switch (Chunk.fccID) {
358 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
359 (though strings seem to be valid unicode) */
360 case mmioFOURCC('I','N','A','M'):
361 case DMUS_FOURCC_UNAM_CHUNK: {
362 TRACE_(dmfile)(": name chunk\n");
363 /* if it happens that string is too long,
364 read what we can and skip the rest*/
365 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
366 IStream_Read (pStream, pDesc->wszName, DMUS_MAX_NAME_SIZE, NULL);
367 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
368 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
369 } else {
370 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
372 pDesc->dwValidData |= DMUS_OBJ_NAME;
373 TRACE_(dmdump)(": name: %s\n", debugstr_w(pDesc->wszName));
374 break;
376 default: {
377 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
378 liMove.QuadPart = Chunk.dwSize;
379 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
380 break;
383 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
384 } while (ListCount[0] < ListSize[0]);
385 break;
387 default: {
388 TRACE_(dmfile)(": unknown (skipping)\n");
389 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
390 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
391 break;
394 break;
396 default: {
397 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
398 liMove.QuadPart = Chunk.dwSize;
399 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
400 break;
403 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
404 } while (StreamCount < StreamSize);
405 } else {
406 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
407 liMove.QuadPart = StreamSize;
408 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
409 return E_FAIL;
412 TRACE_(dmfile)(": reading finished\n");
413 break;
415 default: {
416 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
417 liMove.QuadPart = Chunk.dwSize;
418 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
419 return DMUS_E_INVALIDFILE;
423 TRACE(": returning descriptor:\n");
424 if (TRACE_ON(dmloader))
425 dump_DMUS_OBJECTDESC(pDesc);
426 return S_OK;
429 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
430 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
431 IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
432 IDirectMusicContainerImpl_IDirectMusicObject_Release,
433 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
434 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
435 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
438 /* IPersistStream part: */
439 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
440 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
441 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
444 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
445 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
446 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
449 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
450 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
451 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
454 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
455 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
457 TRACE("(%p, %p)\n", This, pClassID);
458 if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
459 ERR(": pClassID bad write pointer\n");
460 return E_POINTER;
463 *pClassID = CLSID_DirectMusicContainer;
464 return S_OK;
467 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
468 /* FIXME: is implemented (somehow) */
469 return E_NOTIMPL;
472 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
473 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
474 WINE_CHUNK Chunk;
475 DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
476 LARGE_INTEGER liMove; /* used when skipping chunks */
477 ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
478 LPDIRECTMUSICGETLOADER pGetLoader;
479 LPDIRECTMUSICLOADER pLoader;
480 HRESULT result = S_OK;
482 TRACE("(%p, %p):\n", This, pStm);
484 /* check whether pStm is valid read pointer */
485 if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
486 ERR(": pStm bad read pointer\n");
487 return E_POINTER;
489 /* if stream is already set, this means the container is already loaded */
490 if (This->pStream) {
491 TRACE(": stream is already set, which means container is already loaded\n");
492 return DMUS_E_ALREADY_LOADED;
495 /* get loader since it will be needed later */
496 if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
497 ERR(": stream not supported\n");
498 return DMUS_E_UNSUPPORTED_STREAM;
500 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
501 IDirectMusicGetLoader_Release (pGetLoader);
503 This->pStream = pStm;
504 IStream_AddRef (pStm); /* add count for later references */
506 /* start with load */
507 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
508 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
509 switch (Chunk.fccID) {
510 case FOURCC_RIFF: {
511 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
512 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
513 StreamSize = Chunk.dwSize - sizeof(FOURCC);
514 StreamCount = 0;
515 switch (Chunk.fccID) {
516 case DMUS_FOURCC_CONTAINER_FORM: {
517 TRACE_(dmfile)(": container form\n");
518 This->Desc.guidClass = CLSID_DirectMusicContainer;
519 This->Desc.dwValidData |= DMUS_OBJ_CLASS;
520 do {
521 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
522 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
523 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
524 switch (Chunk.fccID) {
525 case DMUS_FOURCC_CONTAINER_CHUNK: {
526 TRACE_(dmfile)(": container header chunk\n");
527 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
528 TRACE_(dmdump)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
529 break;
531 case DMUS_FOURCC_GUID_CHUNK: {
532 TRACE_(dmfile)(": GUID chunk\n");
533 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
534 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
535 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
536 break;
538 case DMUS_FOURCC_VERSION_CHUNK: {
539 TRACE_(dmfile)(": version chunk\n");
540 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
541 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
542 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
543 break;
545 case DMUS_FOURCC_DATE_CHUNK: {
546 TRACE_(dmfile)(": date chunk\n");
547 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
548 This->Desc.dwValidData |= DMUS_OBJ_DATE;
549 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
550 break;
552 case DMUS_FOURCC_CATEGORY_CHUNK: {
553 TRACE_(dmfile)(": category chunk\n");
554 /* if it happens that string is too long,
555 read what we can and skip the rest*/
556 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
557 IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
558 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
559 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
560 } else {
561 IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
563 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
564 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
565 break;
567 case FOURCC_LIST: {
568 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
569 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
570 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
571 ListCount[0] = 0;
572 switch (Chunk.fccID) {
573 case DMUS_FOURCC_UNFO_LIST: {
574 TRACE_(dmfile)(": UNFO list\n");
575 do {
576 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
577 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
578 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
579 switch (Chunk.fccID) {
580 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
581 (though strings seem to be valid unicode) */
582 case mmioFOURCC('I','N','A','M'):
583 case DMUS_FOURCC_UNAM_CHUNK: {
584 TRACE_(dmfile)(": name chunk\n");
585 /* if it happens that string is too long,
586 read what we can and skip the rest*/
587 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
588 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
589 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
590 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
591 } else {
592 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
594 This->Desc.dwValidData |= DMUS_OBJ_NAME;
595 TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
596 break;
598 default: {
599 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
600 liMove.QuadPart = Chunk.dwSize;
601 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
602 break;
605 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
606 } while (ListCount[0] < ListSize[0]);
607 break;
609 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
610 TRACE_(dmfile)(": contained objects list\n");
611 do {
612 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
613 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
614 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
615 switch (Chunk.fccID) {
616 case FOURCC_LIST: {
617 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
618 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
619 ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
620 ListCount[1] = 0;
621 switch (Chunk.fccID) {
622 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
623 LPWINE_CONTAINER_ENTRY pNewEntry;
624 TRACE_(dmfile)(": contained object list\n");
625 pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
626 DM_STRUCT_INIT(&pNewEntry->Desc);
627 do {
628 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
629 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
630 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
631 switch (Chunk.fccID) {
632 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
633 TRACE_(dmfile)(": alias chunk\n");
634 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
635 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
636 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
637 break;
639 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
640 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
641 TRACE_(dmfile)(": contained object header chunk\n");
642 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
643 TRACE_(dmdump)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
644 /* copy guidClass */
645 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
646 pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
647 /* store flags */
648 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
649 break;
651 /* now read data... it may be safe to read everything after object header chunk,
652 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
653 case FOURCC_LIST: {
654 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
655 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
656 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
657 ListCount[2] = 0;
658 switch (Chunk.fccID) {
659 case DMUS_FOURCC_REF_LIST: {
660 TRACE_(dmfile)(": reference list\n");
661 pNewEntry->bIsRIFF = 0;
662 do {
663 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
664 ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
665 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
666 switch (Chunk.fccID) {
667 case DMUS_FOURCC_REF_CHUNK: {
668 DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
669 TRACE_(dmfile)(": reference header chunk\n");
670 memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
671 IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
672 /* copy retrieved data to DMUS_OBJECTDESC */
673 if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
674 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
675 yet if they happen to be different, I'd rather stick to this one */
676 pNewEntry->Desc.guidClass = tmpReferenceHeader.guidClassID;
677 pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
678 break;
680 case DMUS_FOURCC_GUID_CHUNK: {
681 TRACE_(dmfile)(": guid chunk\n");
682 /* no need to set flags since they were copied from reference header */
683 IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
684 break;
686 case DMUS_FOURCC_DATE_CHUNK: {
687 TRACE_(dmfile)(": file date chunk\n");
688 /* no need to set flags since they were copied from reference header */
689 IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
690 break;
692 case DMUS_FOURCC_NAME_CHUNK: {
693 TRACE_(dmfile)(": name chunk\n");
694 /* no need to set flags since they were copied from reference header */
695 IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
696 break;
698 case DMUS_FOURCC_FILE_CHUNK: {
699 TRACE_(dmfile)(": file name chunk\n");
700 /* no need to set flags since they were copied from reference header */
701 IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
702 break;
704 case DMUS_FOURCC_CATEGORY_CHUNK: {
705 TRACE_(dmfile)(": category chunk\n");
706 /* no need to set flags since they were copied from reference header */
707 IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
708 break;
710 case DMUS_FOURCC_VERSION_CHUNK: {
711 TRACE_(dmfile)(": version chunk\n");
712 /* no need to set flags since they were copied from reference header */
713 IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
714 break;
716 default: {
717 TRACE_(dmfile)(": unknown chunk (skipping)\n");
718 liMove.QuadPart = Chunk.dwSize;
719 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
720 break;
723 TRACE_(dmfile)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount[2], ListSize[2]);
724 } while (ListCount[2] < ListSize[2]);
725 break;
727 default: {
728 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
729 return E_FAIL;
732 break;
735 case FOURCC_RIFF: {
736 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
737 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
738 if (IS_VALID_DMFORM (Chunk.fccID)) {
739 TRACE_(dmfile)(": valid DMUSIC form\n");
740 pNewEntry->bIsRIFF = 1;
741 /* we'll have to skip whole RIFF chunk after SetObject is called */
742 liMove.QuadPart = 0;
743 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
744 uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
745 /* move at the beginning of RIFF chunk */
746 liMove.QuadPart = 0;
747 liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
748 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
749 /* put pointer to stream in descriptor */
750 pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
751 pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
752 /* wait till we get on the end of object list */
753 } else {
754 TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
755 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
756 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
757 /* FIXME: should we return E_FAIL? */
759 break;
761 default: {
762 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
763 liMove.QuadPart = Chunk.dwSize;
764 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
765 break;
768 TRACE_(dmfile)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount[1], ListSize[1]);
769 } while (ListCount[1] < ListSize[1]);
770 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
771 IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
772 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
773 or not, since we have to clean evidence of loading through stream... *sigh*
774 and we have to skip rest of the chunk, if we loaded through RIFF */
775 if (pNewEntry->bIsRIFF) {
776 liMove.QuadPart = uliPos.QuadPart;
777 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
778 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
779 pNewEntry->Desc.pStream = NULL;
781 /* add entry to list of objects */
782 list_add_tail (This->pContainedObjects, &pNewEntry->entry);
783 break;
785 default: {
786 TRACE_(dmfile)(": unknown (skipping)\n");
787 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
788 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
789 break;
792 break;
794 default: {
795 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
796 liMove.QuadPart = Chunk.dwSize;
797 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
798 break;
801 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
802 } while (ListCount[0] < ListSize[0]);
803 break;
805 default: {
806 TRACE_(dmfile)(": unknown (skipping)\n");
807 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
808 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
809 break;
812 break;
814 default: {
815 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
816 liMove.QuadPart = Chunk.dwSize;
817 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
818 break;
821 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
822 } while (StreamCount < StreamSize);
823 break;
825 default: {
826 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
827 liMove.QuadPart = StreamSize;
828 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
829 return E_FAIL;
832 TRACE_(dmfile)(": reading finished\n");
833 This->Desc.dwValidData |= DMUS_OBJ_LOADED;
834 break;
836 default: {
837 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
838 liMove.QuadPart = Chunk.dwSize;
839 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
840 return E_FAIL;
844 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
845 so when we call GetObject later, they'll already be in cache */
846 if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
847 struct list *pEntry;
848 LPWINE_CONTAINER_ENTRY pContainedObject;
850 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
852 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
853 IDirectMusicObject* pObject;
854 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
855 /* get object from loader and then release it */
856 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
857 pContainedObject->pObject = pObject; /* for final release */
858 IDirectMusicObject_Release (pObject); /* we don't really need this one */
859 } else {
860 WARN(": failed to load contained object\n");
861 result = DMUS_S_PARTIALLOAD;
866 IDirectMusicLoader_Release (pLoader); /* release loader */
868 #if 0
869 /* DEBUG: dumps whole container object tree: */
870 if (TRACE_ON(dmloader)) {
871 int r = 0;
872 LPWINE_CONTAINER_ENTRY tmpEntry;
873 struct list *listEntry;
875 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
876 TRACE(" - Objects:\n");
877 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
878 tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
879 TRACE(" - Object[%i]:\n", r);
880 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
881 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
882 r++;
885 #endif
887 return result;
890 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
891 ERR(": should not be needed\n");
892 return E_NOTIMPL;
895 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
896 ERR(": should not be needed\n");
897 return E_NOTIMPL;
900 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
901 IDirectMusicContainerImpl_IPersistStream_QueryInterface,
902 IDirectMusicContainerImpl_IPersistStream_AddRef,
903 IDirectMusicContainerImpl_IPersistStream_Release,
904 IDirectMusicContainerImpl_IPersistStream_GetClassID,
905 IDirectMusicContainerImpl_IPersistStream_IsDirty,
906 IDirectMusicContainerImpl_IPersistStream_Load,
907 IDirectMusicContainerImpl_IPersistStream_Save,
908 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
911 /* for ClassFactory */
912 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
913 IDirectMusicContainerImpl* obj;
915 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
916 if (NULL == obj) {
917 *ppobj = NULL;
918 return E_OUTOFMEMORY;
920 obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
921 obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
922 obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
923 obj->dwRef = 0; /* will be inited by QueryInterface */
924 obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
925 list_init (obj->pContainedObjects);
927 lock_module();
929 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);