d3dxof: Prevent accessing pobj when it is null. This can happend on error.
[wine/multimedia.git] / dlls / dmloader / container.c
blob1c8bf310b20b093e1055244f080df9c89f9d4d8c
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%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
424 return S_OK;
427 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
428 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
429 IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
430 IDirectMusicContainerImpl_IDirectMusicObject_Release,
431 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
432 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
433 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
436 /* IPersistStream part: */
437 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
438 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
439 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
442 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
443 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
444 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
447 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
448 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
449 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
452 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
453 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
455 TRACE("(%p, %p)\n", This, pClassID);
456 if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
457 ERR(": pClassID bad write pointer\n");
458 return E_POINTER;
461 *pClassID = CLSID_DirectMusicContainer;
462 return S_OK;
465 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
466 /* FIXME: is implemented (somehow) */
467 return E_NOTIMPL;
470 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
471 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
472 WINE_CHUNK Chunk;
473 DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
474 LARGE_INTEGER liMove; /* used when skipping chunks */
475 ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
476 LPDIRECTMUSICGETLOADER pGetLoader;
477 LPDIRECTMUSICLOADER pLoader;
478 HRESULT result = S_OK;
480 TRACE("(%p, %p):\n", This, pStm);
482 /* check whether pStm is valid read pointer */
483 if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
484 ERR(": pStm bad read pointer\n");
485 return E_POINTER;
487 /* if stream is already set, this means the container is already loaded */
488 if (This->pStream) {
489 TRACE(": stream is already set, which means container is already loaded\n");
490 return DMUS_E_ALREADY_LOADED;
493 /* get loader since it will be needed later */
494 if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
495 ERR(": stream not supported\n");
496 return DMUS_E_UNSUPPORTED_STREAM;
498 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
499 IDirectMusicGetLoader_Release (pGetLoader);
501 This->pStream = pStm;
502 IStream_AddRef (pStm); /* add count for later references */
504 /* start with load */
505 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
506 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
507 switch (Chunk.fccID) {
508 case FOURCC_RIFF: {
509 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
510 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
511 StreamSize = Chunk.dwSize - sizeof(FOURCC);
512 StreamCount = 0;
513 switch (Chunk.fccID) {
514 case DMUS_FOURCC_CONTAINER_FORM: {
515 TRACE_(dmfile)(": container form\n");
516 This->Desc.guidClass = CLSID_DirectMusicContainer;
517 This->Desc.dwValidData |= DMUS_OBJ_CLASS;
518 do {
519 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
520 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
521 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
522 switch (Chunk.fccID) {
523 case DMUS_FOURCC_CONTAINER_CHUNK: {
524 TRACE_(dmfile)(": container header chunk\n");
525 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
526 TRACE_(dmdump)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
527 break;
529 case DMUS_FOURCC_GUID_CHUNK: {
530 TRACE_(dmfile)(": GUID chunk\n");
531 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
532 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
533 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
534 break;
536 case DMUS_FOURCC_VERSION_CHUNK: {
537 TRACE_(dmfile)(": version chunk\n");
538 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
539 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
540 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
541 break;
543 case DMUS_FOURCC_DATE_CHUNK: {
544 TRACE_(dmfile)(": date chunk\n");
545 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
546 This->Desc.dwValidData |= DMUS_OBJ_DATE;
547 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
548 break;
550 case DMUS_FOURCC_CATEGORY_CHUNK: {
551 TRACE_(dmfile)(": category chunk\n");
552 /* if it happens that string is too long,
553 read what we can and skip the rest*/
554 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
555 IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
556 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
557 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
558 } else {
559 IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
561 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
562 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
563 break;
565 case FOURCC_LIST: {
566 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
567 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
568 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
569 ListCount[0] = 0;
570 switch (Chunk.fccID) {
571 case DMUS_FOURCC_UNFO_LIST: {
572 TRACE_(dmfile)(": UNFO list\n");
573 do {
574 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
575 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
576 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
577 switch (Chunk.fccID) {
578 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
579 (though strings seem to be valid unicode) */
580 case mmioFOURCC('I','N','A','M'):
581 case DMUS_FOURCC_UNAM_CHUNK: {
582 TRACE_(dmfile)(": name chunk\n");
583 /* if it happens that string is too long,
584 read what we can and skip the rest*/
585 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
586 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
587 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
588 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
589 } else {
590 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
592 This->Desc.dwValidData |= DMUS_OBJ_NAME;
593 TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
594 break;
596 default: {
597 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
598 liMove.QuadPart = Chunk.dwSize;
599 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
600 break;
603 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
604 } while (ListCount[0] < ListSize[0]);
605 break;
607 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
608 TRACE_(dmfile)(": contained objects list\n");
609 do {
610 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
611 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
612 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
613 switch (Chunk.fccID) {
614 case FOURCC_LIST: {
615 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
616 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
617 ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
618 ListCount[1] = 0;
619 switch (Chunk.fccID) {
620 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
621 LPWINE_CONTAINER_ENTRY pNewEntry;
622 TRACE_(dmfile)(": contained object list\n");
623 pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
624 DM_STRUCT_INIT(&pNewEntry->Desc);
625 do {
626 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
627 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
628 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
629 switch (Chunk.fccID) {
630 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
631 TRACE_(dmfile)(": alias chunk\n");
632 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
633 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
634 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
635 break;
637 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
638 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
639 TRACE_(dmfile)(": contained object header chunk\n");
640 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
641 TRACE_(dmdump)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
642 /* copy guidClass */
643 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
644 pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
645 /* store flags */
646 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
647 break;
649 /* now read data... it may be safe to read everything after object header chunk,
650 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
651 case FOURCC_LIST: {
652 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
653 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
654 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
655 ListCount[2] = 0;
656 switch (Chunk.fccID) {
657 case DMUS_FOURCC_REF_LIST: {
658 TRACE_(dmfile)(": reference list\n");
659 pNewEntry->bIsRIFF = 0;
660 do {
661 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
662 ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
663 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
664 switch (Chunk.fccID) {
665 case DMUS_FOURCC_REF_CHUNK: {
666 DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
667 TRACE_(dmfile)(": reference header chunk\n");
668 memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
669 IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
670 /* copy retrieved data to DMUS_OBJECTDESC */
671 if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
672 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
673 yet if they happen to be different, I'd rather stick to this one */
674 pNewEntry->Desc.guidClass = tmpReferenceHeader.guidClassID;
675 pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
676 break;
678 case DMUS_FOURCC_GUID_CHUNK: {
679 TRACE_(dmfile)(": guid chunk\n");
680 /* no need to set flags since they were copied from reference header */
681 IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
682 break;
684 case DMUS_FOURCC_DATE_CHUNK: {
685 TRACE_(dmfile)(": file date chunk\n");
686 /* no need to set flags since they were copied from reference header */
687 IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
688 break;
690 case DMUS_FOURCC_NAME_CHUNK: {
691 TRACE_(dmfile)(": name chunk\n");
692 /* no need to set flags since they were copied from reference header */
693 IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
694 break;
696 case DMUS_FOURCC_FILE_CHUNK: {
697 TRACE_(dmfile)(": file name chunk\n");
698 /* no need to set flags since they were copied from reference header */
699 IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
700 break;
702 case DMUS_FOURCC_CATEGORY_CHUNK: {
703 TRACE_(dmfile)(": category chunk\n");
704 /* no need to set flags since they were copied from reference header */
705 IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
706 break;
708 case DMUS_FOURCC_VERSION_CHUNK: {
709 TRACE_(dmfile)(": version chunk\n");
710 /* no need to set flags since they were copied from reference header */
711 IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
712 break;
714 default: {
715 TRACE_(dmfile)(": unknown chunk (skipping)\n");
716 liMove.QuadPart = Chunk.dwSize;
717 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
718 break;
721 TRACE_(dmfile)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount[2], ListSize[2]);
722 } while (ListCount[2] < ListSize[2]);
723 break;
725 default: {
726 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
727 return E_FAIL;
730 break;
733 case FOURCC_RIFF: {
734 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
735 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
736 if (IS_VALID_DMFORM (Chunk.fccID)) {
737 TRACE_(dmfile)(": valid DMUSIC form\n");
738 pNewEntry->bIsRIFF = 1;
739 /* we'll have to skip whole RIFF chunk after SetObject is called */
740 liMove.QuadPart = 0;
741 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
742 uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
743 /* move at the beginning of RIFF chunk */
744 liMove.QuadPart = 0;
745 liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
746 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
747 /* put pointer to stream in descriptor */
748 pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
749 pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
750 /* wait till we get on the end of object list */
751 } else {
752 TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
753 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
754 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
755 /* FIXME: should we return E_FAIL? */
757 break;
759 default: {
760 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
761 liMove.QuadPart = Chunk.dwSize;
762 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
763 break;
766 TRACE_(dmfile)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount[1], ListSize[1]);
767 } while (ListCount[1] < ListSize[1]);
768 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
769 IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
770 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
771 or not, since we have to clean evidence of loading through stream... *sigh*
772 and we have to skip rest of the chunk, if we loaded through RIFF */
773 if (pNewEntry->bIsRIFF) {
774 liMove.QuadPart = uliPos.QuadPart;
775 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
776 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
777 pNewEntry->Desc.pStream = NULL;
779 /* add entry to list of objects */
780 list_add_tail (This->pContainedObjects, &pNewEntry->entry);
781 break;
783 default: {
784 TRACE_(dmfile)(": unknown (skipping)\n");
785 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
786 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
787 break;
790 break;
792 default: {
793 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
794 liMove.QuadPart = Chunk.dwSize;
795 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
796 break;
799 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
800 } while (ListCount[0] < ListSize[0]);
801 break;
803 default: {
804 TRACE_(dmfile)(": unknown (skipping)\n");
805 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
806 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
807 break;
810 break;
812 default: {
813 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
814 liMove.QuadPart = Chunk.dwSize;
815 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
816 break;
819 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
820 } while (StreamCount < StreamSize);
821 break;
823 default: {
824 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
825 liMove.QuadPart = StreamSize;
826 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
827 return E_FAIL;
830 TRACE_(dmfile)(": reading finished\n");
831 This->Desc.dwValidData |= DMUS_OBJ_LOADED;
832 break;
834 default: {
835 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
836 liMove.QuadPart = Chunk.dwSize;
837 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
838 return E_FAIL;
842 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
843 so when we call GetObject later, they'll already be in cache */
844 if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
845 struct list *pEntry;
846 LPWINE_CONTAINER_ENTRY pContainedObject;
848 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
850 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
851 IDirectMusicObject* pObject;
852 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
853 /* get object from loader and then release it */
854 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
855 pContainedObject->pObject = pObject; /* for final release */
856 IDirectMusicObject_Release (pObject); /* we don't really need this one */
857 } else {
858 WARN(": failed to load contained object\n");
859 result = DMUS_S_PARTIALLOAD;
864 IDirectMusicLoader_Release (pLoader); /* release loader */
866 #if 0
867 /* DEBUG: dumps whole container object tree: */
868 if (TRACE_ON(dmloader)) {
869 int r = 0;
870 LPWINE_CONTAINER_ENTRY tmpEntry;
871 struct list *listEntry;
873 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
874 TRACE(" - Objects:\n");
875 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
876 tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
877 TRACE(" - Object[%i]:\n", r);
878 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
879 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
880 r++;
883 #endif
885 return result;
888 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
889 ERR(": should not be needed\n");
890 return E_NOTIMPL;
893 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
894 ERR(": should not be needed\n");
895 return E_NOTIMPL;
898 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
899 IDirectMusicContainerImpl_IPersistStream_QueryInterface,
900 IDirectMusicContainerImpl_IPersistStream_AddRef,
901 IDirectMusicContainerImpl_IPersistStream_Release,
902 IDirectMusicContainerImpl_IPersistStream_GetClassID,
903 IDirectMusicContainerImpl_IPersistStream_IsDirty,
904 IDirectMusicContainerImpl_IPersistStream_Load,
905 IDirectMusicContainerImpl_IPersistStream_Save,
906 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
909 /* for ClassFactory */
910 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
911 IDirectMusicContainerImpl* obj;
913 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
914 if (NULL == obj) {
915 *ppobj = NULL;
916 return E_OUTOFMEMORY;
918 obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
919 obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
920 obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
921 obj->dwRef = 0; /* will be inited by QueryInterface */
922 obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
923 list_init (obj->pContainedObjects);
925 lock_module();
927 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);