push 22b3e00525a9a3743634eb8f21ffe1bf98bf885e
[wine/hacks.git] / dlls / dmloader / container.c
bloba1fa878bd646b7cd7531d7b872368b76e69bf2fc
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 */
72 /* decrease number of instances */
73 InterlockedDecrement (&dwDirectMusicContainer);
75 return S_OK;
78 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface, REFIID riid, LPVOID *ppobj) {
79 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
81 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
82 if (IsEqualIID (riid, &IID_IUnknown) ||
83 IsEqualIID (riid, &IID_IDirectMusicContainer)) {
84 *ppobj = &This->ContainerVtbl;
85 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
86 return S_OK;
87 } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
88 *ppobj = &This->ObjectVtbl;
89 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
90 return S_OK;
91 } else if (IsEqualIID (riid, &IID_IPersistStream)) {
92 *ppobj = &This->PersistStreamVtbl;
93 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
94 return S_OK;
97 WARN(": not found\n");
98 return E_NOINTERFACE;
101 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface) {
102 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
103 TRACE("(%p): AddRef from %d\n", This, This->dwRef);
104 return InterlockedIncrement (&This->dwRef);
107 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface) {
108 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
110 DWORD dwRef = InterlockedDecrement (&This->dwRef);
111 TRACE("(%p): ReleaseRef to %d\n", This, dwRef);
112 if (dwRef == 0) {
113 DMUSIC_DestroyDirectMusicContainerImpl (iface);
114 HeapFree(GetProcessHeap(), 0, This);
117 return dwRef;
120 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc, WCHAR* pwszAlias) {
121 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
122 struct list *pEntry;
123 LPWINE_CONTAINER_ENTRY pContainedObject;
124 DWORD dwCount = 0;
126 TRACE("(%p, %s, %d, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
128 if (!pDesc)
129 return E_POINTER;
130 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
131 ERR(": invalid pDesc->dwSize %d\n", pDesc->dwSize);
132 return E_INVALIDARG;
135 DM_STRUCT_INIT(pDesc);
137 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
138 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
140 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
141 if (dwCount == dwIndex) {
142 HRESULT result = S_OK;
143 if (pwszAlias) {
144 lstrcpynW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
145 if (strlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
146 result = DMUS_S_STRING_TRUNCATED;
148 if (pDesc)
149 *pDesc = pContainedObject->Desc;
150 return result;
152 dwCount++;
156 TRACE(": not found\n");
157 return S_FALSE;
160 static const IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl = {
161 IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface,
162 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef,
163 IDirectMusicContainerImpl_IDirectMusicContainer_Release,
164 IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
167 /* IDirectMusicObject part: */
168 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
169 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
170 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
173 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
174 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
175 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
178 static ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
179 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
180 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
183 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
184 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
185 TRACE("(%p, %p):\n", This, pDesc);
187 /* check if we can write to whole pDesc */
188 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
189 ERR(": pDesc->dwSize bad read pointer\n");
190 return E_POINTER;
192 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
193 ERR(": invalid pDesc->dwSize\n");
194 return E_INVALIDARG;
196 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
197 ERR(": pDesc bad write pointer\n");
198 return E_POINTER;
201 DM_STRUCT_INIT(pDesc);
202 *pDesc = This->Desc;
204 return S_OK;
207 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
208 DWORD dwNewFlags = 0;
209 DWORD dwFlagDifference;
210 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
211 TRACE("(%p, %p):\n", This, pDesc);
213 /* check if we can read whole pDesc */
214 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
215 ERR(": pDesc->dwSize bad read pointer\n");
216 return E_POINTER;
218 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
219 ERR(": invalid pDesc->dwSize\n");
220 return E_INVALIDARG;
222 if (IsBadReadPtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
223 ERR(": pDesc bad read pointer\n");
224 return E_POINTER;
227 if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
228 This->Desc.guidObject = pDesc->guidObject;
229 dwNewFlags |= DMUS_OBJ_OBJECT;
231 if (pDesc->dwValidData & DMUS_OBJ_NAME) {
232 lstrcpynW (This->Desc.wszName, pDesc->wszName, DMUS_MAX_NAME);
233 dwNewFlags |= DMUS_OBJ_NAME;
235 if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) {
236 lstrcpynW (This->Desc.wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
237 dwNewFlags |= DMUS_OBJ_CATEGORY;
239 if (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) {
240 lstrcpynW (This->Desc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
241 dwNewFlags |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
243 if (pDesc->dwValidData & DMUS_OBJ_VERSION) {
244 This->Desc.vVersion.dwVersionLS = pDesc->vVersion.dwVersionLS;
245 This->Desc.vVersion.dwVersionMS = pDesc->vVersion.dwVersionMS;
246 dwNewFlags |= DMUS_OBJ_VERSION;
248 if (pDesc->dwValidData & DMUS_OBJ_DATE) {
249 This->Desc.ftDate.dwHighDateTime = pDesc->ftDate.dwHighDateTime;
250 This->Desc.ftDate.dwLowDateTime = pDesc->ftDate.dwLowDateTime;
251 dwNewFlags |= DMUS_OBJ_DATE;
253 /* set new flags */
254 This->Desc.dwValidData |= dwNewFlags;
256 dwFlagDifference = pDesc->dwValidData - dwNewFlags;
257 if (dwFlagDifference) {
258 pDesc->dwValidData &= ~dwFlagDifference; /* and with bitwise complement */
259 return S_FALSE;
260 } else return S_OK;
263 static HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
264 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
265 WINE_CHUNK Chunk;
266 DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
267 LARGE_INTEGER liMove; /* used when skipping chunks */
269 TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
271 /* check whether arguments are OK */
272 if (IsBadReadPtr (pStream, sizeof(LPVOID))) {
273 ERR(": pStream bad read pointer\n");
274 return E_POINTER;
276 /* check whether pDesc is OK */
277 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
278 ERR(": pDesc->dwSize bad read pointer\n");
279 return E_POINTER;
281 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
282 ERR(": invalid pDesc->dwSize\n");
283 return E_INVALIDARG;
285 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
286 ERR(": pDesc bad write pointer\n");
287 return E_POINTER;
290 DM_STRUCT_INIT(pDesc);
292 /* here we go... */
293 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
294 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
295 switch (Chunk.fccID) {
296 case FOURCC_RIFF: {
297 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
298 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
299 StreamSize = Chunk.dwSize - sizeof(FOURCC);
300 StreamCount = 0;
301 if (Chunk.fccID == DMUS_FOURCC_CONTAINER_FORM) {
302 TRACE_(dmfile)(": container form\n");
303 /* set guidClass */
304 pDesc->dwValidData |= DMUS_OBJ_CLASS;
305 pDesc->guidClass = CLSID_DirectMusicContainer;
306 do {
307 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
308 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
309 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
310 switch (Chunk.fccID) {
311 case DMUS_FOURCC_GUID_CHUNK: {
312 TRACE_(dmfile)(": GUID chunk\n");
313 pDesc->dwValidData |= DMUS_OBJ_OBJECT;
314 IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
315 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&pDesc->guidObject));
316 break;
318 case DMUS_FOURCC_VERSION_CHUNK: {
319 TRACE_(dmfile)(": version chunk\n");
320 pDesc->dwValidData |= DMUS_OBJ_VERSION;
321 IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
322 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&pDesc->vVersion));
323 break;
325 case DMUS_FOURCC_DATE_CHUNK: {
326 TRACE_(dmfile)(": date chunk\n");
327 IStream_Read (pStream, &pDesc->ftDate, Chunk.dwSize, NULL);
328 pDesc->dwValidData |= DMUS_OBJ_DATE;
329 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&pDesc->ftDate));
330 break;
332 case DMUS_FOURCC_CATEGORY_CHUNK: {
333 TRACE_(dmfile)(": category chunk\n");
334 /* if it happens that string is too long,
335 read what we can and skip the rest*/
336 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
337 IStream_Read (pStream, pDesc->wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
338 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
339 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
340 } else {
341 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
343 pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
344 TRACE_(dmdump)(": category: %s\n", debugstr_w(pDesc->wszCategory));
345 break;
347 case FOURCC_LIST: {
348 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
349 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
350 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
351 ListCount[0] = 0;
352 switch (Chunk.fccID) {
353 /* evil M$ UNFO list, which can (!?) contain INFO elements */
354 case DMUS_FOURCC_UNFO_LIST: {
355 TRACE_(dmfile)(": UNFO list\n");
356 do {
357 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
358 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
359 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
360 switch (Chunk.fccID) {
361 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
362 (though strings seem to be valid unicode) */
363 case mmioFOURCC('I','N','A','M'):
364 case DMUS_FOURCC_UNAM_CHUNK: {
365 TRACE_(dmfile)(": name chunk\n");
366 /* if it happens that string is too long,
367 read what we can and skip the rest*/
368 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
369 IStream_Read (pStream, pDesc->wszName, DMUS_MAX_NAME_SIZE, NULL);
370 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
371 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
372 } else {
373 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
375 pDesc->dwValidData |= DMUS_OBJ_NAME;
376 TRACE_(dmdump)(": name: %s\n", debugstr_w(pDesc->wszName));
377 break;
379 default: {
380 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
381 liMove.QuadPart = Chunk.dwSize;
382 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
383 break;
386 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
387 } while (ListCount[0] < ListSize[0]);
388 break;
390 default: {
391 TRACE_(dmfile)(": unknown (skipping)\n");
392 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
393 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
394 break;
397 break;
399 default: {
400 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
401 liMove.QuadPart = Chunk.dwSize;
402 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
403 break;
406 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
407 } while (StreamCount < StreamSize);
408 } else {
409 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
410 liMove.QuadPart = StreamSize;
411 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
412 return E_FAIL;
415 TRACE_(dmfile)(": reading finished\n");
416 break;
418 default: {
419 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
420 liMove.QuadPart = Chunk.dwSize;
421 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
422 return DMUS_E_INVALIDFILE;
426 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
427 return S_OK;
430 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
431 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
432 IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
433 IDirectMusicContainerImpl_IDirectMusicObject_Release,
434 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
435 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
436 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
439 /* IPersistStream part: */
440 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
441 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
442 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
445 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
446 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
447 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
450 static ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
451 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
452 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
455 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
456 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
458 TRACE("(%p, %p)\n", This, pClassID);
459 if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
460 ERR(": pClassID bad write pointer\n");
461 return E_POINTER;
464 *pClassID = CLSID_DirectMusicContainer;
465 return S_OK;
468 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
469 /* FIXME: is implemented (somehow) */
470 return E_NOTIMPL;
473 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
474 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
475 WINE_CHUNK Chunk;
476 DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
477 LARGE_INTEGER liMove; /* used when skipping chunks */
478 ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
479 LPDIRECTMUSICGETLOADER pGetLoader;
480 LPDIRECTMUSICLOADER pLoader;
481 HRESULT result = S_OK;
483 TRACE("(%p, %p):\n", This, pStm);
485 /* check whether pStm is valid read pointer */
486 if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
487 ERR(": pStm bad read pointer\n");
488 return E_POINTER;
490 /* if stream is already set, this means the container is already loaded */
491 if (This->pStream) {
492 TRACE(": stream is already set, which means container is already loaded\n");
493 return DMUS_E_ALREADY_LOADED;
496 /* get loader since it will be needed later */
497 if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
498 ERR(": stream not supported\n");
499 return DMUS_E_UNSUPPORTED_STREAM;
501 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
502 IDirectMusicGetLoader_Release (pGetLoader);
504 This->pStream = pStm;
505 IStream_AddRef (pStm); /* add count for later references */
507 /* start with load */
508 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
509 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
510 switch (Chunk.fccID) {
511 case FOURCC_RIFF: {
512 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
513 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
514 StreamSize = Chunk.dwSize - sizeof(FOURCC);
515 StreamCount = 0;
516 switch (Chunk.fccID) {
517 case DMUS_FOURCC_CONTAINER_FORM: {
518 TRACE_(dmfile)(": container form\n");
519 This->Desc.guidClass = CLSID_DirectMusicContainer;
520 This->Desc.dwValidData |= DMUS_OBJ_CLASS;
521 do {
522 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
523 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
524 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
525 switch (Chunk.fccID) {
526 case DMUS_FOURCC_CONTAINER_CHUNK: {
527 TRACE_(dmfile)(": container header chunk\n");
528 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
529 TRACE_(dmdump)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
530 break;
532 case DMUS_FOURCC_GUID_CHUNK: {
533 TRACE_(dmfile)(": GUID chunk\n");
534 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
535 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
536 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
537 break;
539 case DMUS_FOURCC_VERSION_CHUNK: {
540 TRACE_(dmfile)(": version chunk\n");
541 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
542 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
543 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
544 break;
546 case DMUS_FOURCC_DATE_CHUNK: {
547 TRACE_(dmfile)(": date chunk\n");
548 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
549 This->Desc.dwValidData |= DMUS_OBJ_DATE;
550 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
551 break;
553 case DMUS_FOURCC_CATEGORY_CHUNK: {
554 TRACE_(dmfile)(": category chunk\n");
555 /* if it happens that string is too long,
556 read what we can and skip the rest*/
557 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
558 IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
559 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
560 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
561 } else {
562 IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
564 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
565 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
566 break;
568 case FOURCC_LIST: {
569 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
570 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
571 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
572 ListCount[0] = 0;
573 switch (Chunk.fccID) {
574 case DMUS_FOURCC_UNFO_LIST: {
575 TRACE_(dmfile)(": UNFO list\n");
576 do {
577 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
578 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
579 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
580 switch (Chunk.fccID) {
581 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
582 (though strings seem to be valid unicode) */
583 case mmioFOURCC('I','N','A','M'):
584 case DMUS_FOURCC_UNAM_CHUNK: {
585 TRACE_(dmfile)(": name chunk\n");
586 /* if it happens that string is too long,
587 read what we can and skip the rest*/
588 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
589 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
590 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
591 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
592 } else {
593 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
595 This->Desc.dwValidData |= DMUS_OBJ_NAME;
596 TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
597 break;
599 default: {
600 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
601 liMove.QuadPart = Chunk.dwSize;
602 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
603 break;
606 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
607 } while (ListCount[0] < ListSize[0]);
608 break;
610 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
611 TRACE_(dmfile)(": contained objects list\n");
612 do {
613 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
614 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
615 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
616 switch (Chunk.fccID) {
617 case FOURCC_LIST: {
618 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
619 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
620 ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
621 ListCount[1] = 0;
622 switch (Chunk.fccID) {
623 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
624 LPWINE_CONTAINER_ENTRY pNewEntry;
625 TRACE_(dmfile)(": contained object list\n");
626 pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
627 DM_STRUCT_INIT(&pNewEntry->Desc);
628 do {
629 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
630 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
631 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
632 switch (Chunk.fccID) {
633 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
634 TRACE_(dmfile)(": alias chunk\n");
635 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
636 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
637 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
638 break;
640 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
641 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
642 TRACE_(dmfile)(": contained object header chunk\n");
643 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
644 TRACE_(dmdump)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
645 /* copy guidClass */
646 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
647 pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
648 /* store flags */
649 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
650 break;
652 /* now read data... it may be safe to read everything after object header chunk,
653 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
654 case FOURCC_LIST: {
655 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
656 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
657 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
658 ListCount[2] = 0;
659 switch (Chunk.fccID) {
660 case DMUS_FOURCC_REF_LIST: {
661 TRACE_(dmfile)(": reference list\n");
662 pNewEntry->bIsRIFF = 0;
663 do {
664 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
665 ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
666 TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
667 switch (Chunk.fccID) {
668 case DMUS_FOURCC_REF_CHUNK: {
669 DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
670 TRACE_(dmfile)(": reference header chunk\n");
671 memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
672 IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
673 /* copy retrieved data to DMUS_OBJECTDESC */
674 if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
675 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
676 yet if they happen to be different, I'd rather stick to this one */
677 pNewEntry->Desc.guidClass = tmpReferenceHeader.guidClassID;
678 pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
679 break;
681 case DMUS_FOURCC_GUID_CHUNK: {
682 TRACE_(dmfile)(": guid chunk\n");
683 /* no need to set flags since they were copied from reference header */
684 IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
685 break;
687 case DMUS_FOURCC_DATE_CHUNK: {
688 TRACE_(dmfile)(": file date chunk\n");
689 /* no need to set flags since they were copied from reference header */
690 IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
691 break;
693 case DMUS_FOURCC_NAME_CHUNK: {
694 TRACE_(dmfile)(": name chunk\n");
695 /* no need to set flags since they were copied from reference header */
696 IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
697 break;
699 case DMUS_FOURCC_FILE_CHUNK: {
700 TRACE_(dmfile)(": file name chunk\n");
701 /* no need to set flags since they were copied from reference header */
702 IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
703 break;
705 case DMUS_FOURCC_CATEGORY_CHUNK: {
706 TRACE_(dmfile)(": category chunk\n");
707 /* no need to set flags since they were copied from reference header */
708 IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
709 break;
711 case DMUS_FOURCC_VERSION_CHUNK: {
712 TRACE_(dmfile)(": version chunk\n");
713 /* no need to set flags since they were copied from reference header */
714 IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
715 break;
717 default: {
718 TRACE_(dmfile)(": unknown chunk (skipping)\n");
719 liMove.QuadPart = Chunk.dwSize;
720 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
721 break;
724 TRACE_(dmfile)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount[2], ListSize[2]);
725 } while (ListCount[2] < ListSize[2]);
726 break;
728 default: {
729 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
730 return E_FAIL;
733 break;
736 case FOURCC_RIFF: {
737 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
738 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
739 if (IS_VALID_DMFORM (Chunk.fccID)) {
740 TRACE_(dmfile)(": valid DMUSIC form\n");
741 pNewEntry->bIsRIFF = 1;
742 /* we'll have to skip whole RIFF chunk after SetObject is called */
743 liMove.QuadPart = 0;
744 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
745 uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
746 /* move at the beginning of RIFF chunk */
747 liMove.QuadPart = 0;
748 liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
749 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
750 /* put pointer to stream in descriptor */
751 pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
752 pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
753 /* wait till we get on the end of object list */
754 } else {
755 TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
756 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
757 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
758 /* FIXME: should we return E_FAIL? */
760 break;
762 default: {
763 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
764 liMove.QuadPart = Chunk.dwSize;
765 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
766 break;
769 TRACE_(dmfile)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount[1], ListSize[1]);
770 } while (ListCount[1] < ListSize[1]);
771 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
772 IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
773 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
774 or not, since we have to clean evidence of loading through stream... *sigh*
775 and we have to skip rest of the chunk, if we loaded through RIFF */
776 if (pNewEntry->bIsRIFF) {
777 liMove.QuadPart = uliPos.QuadPart;
778 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
779 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
780 pNewEntry->Desc.pStream = NULL;
782 /* add entry to list of objects */
783 list_add_tail (This->pContainedObjects, &pNewEntry->entry);
784 break;
786 default: {
787 TRACE_(dmfile)(": unknown (skipping)\n");
788 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
789 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
790 break;
793 break;
795 default: {
796 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
797 liMove.QuadPart = Chunk.dwSize;
798 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
799 break;
802 TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
803 } while (ListCount[0] < ListSize[0]);
804 break;
806 default: {
807 TRACE_(dmfile)(": unknown (skipping)\n");
808 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
809 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
810 break;
813 break;
815 default: {
816 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
817 liMove.QuadPart = Chunk.dwSize;
818 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
819 break;
822 TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\n", StreamCount, StreamSize);
823 } while (StreamCount < StreamSize);
824 break;
826 default: {
827 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
828 liMove.QuadPart = StreamSize;
829 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
830 return E_FAIL;
833 TRACE_(dmfile)(": reading finished\n");
834 This->Desc.dwValidData |= DMUS_OBJ_LOADED;
835 break;
837 default: {
838 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
839 liMove.QuadPart = Chunk.dwSize;
840 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
841 return E_FAIL;
845 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
846 so when we call GetObject later, they'll already be in cache */
847 if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
848 struct list *pEntry;
849 LPWINE_CONTAINER_ENTRY pContainedObject;
851 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
853 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
854 IDirectMusicObject* pObject;
855 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
856 /* get object from loader and then release it */
857 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
858 pContainedObject->pObject = pObject; /* for final release */
859 IDirectMusicObject_Release (pObject); /* we don't really need this one */
860 } else {
861 WARN(": failed to load contained object\n");
862 result = DMUS_S_PARTIALLOAD;
867 IDirectMusicLoader_Release (pLoader); /* release loader */
869 #if 0
870 /* DEBUG: dumps whole container object tree: */
871 if (TRACE_ON(dmloader)) {
872 int r = 0;
873 LPWINE_CONTAINER_ENTRY tmpEntry;
874 struct list *listEntry;
876 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
877 TRACE(" - Objects:\n");
878 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
879 tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
880 TRACE(" - Object[%i]:\n", r);
881 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
882 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
883 r++;
886 #endif
888 return result;
891 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
892 ERR(": should not be needed\n");
893 return E_NOTIMPL;
896 static HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
897 ERR(": should not be needed\n");
898 return E_NOTIMPL;
901 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
902 IDirectMusicContainerImpl_IPersistStream_QueryInterface,
903 IDirectMusicContainerImpl_IPersistStream_AddRef,
904 IDirectMusicContainerImpl_IPersistStream_Release,
905 IDirectMusicContainerImpl_IPersistStream_GetClassID,
906 IDirectMusicContainerImpl_IPersistStream_IsDirty,
907 IDirectMusicContainerImpl_IPersistStream_Load,
908 IDirectMusicContainerImpl_IPersistStream_Save,
909 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
912 /* for ClassFactory */
913 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
914 IDirectMusicContainerImpl* obj;
916 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
917 if (NULL == obj) {
918 *ppobj = NULL;
919 return E_OUTOFMEMORY;
921 obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
922 obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
923 obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
924 obj->dwRef = 0; /* will be inited by QueryInterface */
925 obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
926 list_init (obj->pContainedObjects);
928 /* increase number of instances */
929 InterlockedIncrement (&dwDirectMusicContainer);
931 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);