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Change messages about config file to registry.
[wine/multimedia.git] / dlls / dmloader / container.c
blobf9f241e7ddd64318d57a26599fc11ee0e3296fa0
1 /* IDirectMusicContainerImpl
2 *
3 * Copyright (C) 2003-2004 Rok Mandeljc
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #include "dmloader_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
24 WINE_DECLARE_DEBUG_CHANNEL(dmdump);
25
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)
29
30 /*****************************************************************************
31 * IDirectMusicContainerImpl implementation
32 */
33 /* IUnknown/IDirectMusicContainer part: */
34 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface, REFIID riid, LPVOID *ppobj) {
35 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
36
37 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
38 if (IsEqualIID (riid, &IID_IUnknown) ||
39 IsEqualIID (riid, &IID_IDirectMusicContainer)) {
40 *ppobj = (LPVOID)&This->ContainerVtbl;
41 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
42 return S_OK;
43 } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
44 *ppobj = (LPVOID)&This->ObjectVtbl;
45 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
46 return S_OK;
47 } else if (IsEqualIID (riid, &IID_IPersistStream)) {
48 *ppobj = (LPVOID)&This->PersistStreamVtbl;
49 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
50 return S_OK;
51 }
52
53 WARN(": not found\n");
54 return E_NOINTERFACE;
55 }
56
57 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface) {
58 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
59 TRACE("(%p): AddRef from %ld\n", This, This->dwRef);
60 return InterlockedIncrement (&This->dwRef);
61 }
62
63 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface) {
64 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
65
66 DWORD dwRef = InterlockedDecrement (&This->dwRef);
67 TRACE("(%p): ReleaseRef to %ld\n", This, dwRef);
68 if (dwRef == 0) {
69 DMUSIC_DestroyDirectMusicContainerImpl (iface);
70 HeapFree(GetProcessHeap(), 0, This);
71 }
72
73 return dwRef;
74 }
75
76 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc, WCHAR* pwszAlias) {
77 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
78 struct list *pEntry;
79 LPWINE_CONTAINER_ENTRY pContainedObject;
80 DWORD dwCount = 0;
81
82 TRACE("(%p, %s, %ld, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
83
84 /* check if we can write to whole pDesc */
85 if (pDesc) {
86 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
87 ERR(": pDesc->dwSize bad read pointer\n");
88 return E_POINTER;
89 }
90 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
91 ERR(": invalid pDesc->dwSize\n");
92 return E_INVALIDARG;
93 }
94 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
95 ERR(": pDesc bad write pointer\n");
96 return E_POINTER;
97 }
98 }
99 /* check if we wszAlias is big enough */
100 if (pwszAlias && IsBadWritePtr (pwszAlias, DMUS_MAX_FILENAME_SIZE)) {
101 ERR(": wszAlias bad write pointer\n");
102 return E_POINTER;
103 }
104
105 DM_STRUCT_INIT(pDesc);
106
107 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
108 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
109
110 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
111 if (dwCount == dwIndex) {
112 HRESULT result = S_OK;
113 if (pwszAlias) {
114 lstrcpynW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
115 if (strlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
116 result = DMUS_S_STRING_TRUNCATED;
117 }
118 if (pDesc)
119 memcpy (pDesc, &pContainedObject->Desc, sizeof(DMUS_OBJECTDESC));
120 return result;
121 }
122 dwCount++;
123 }
124 }
125
126 TRACE(": not found\n");
127 return S_FALSE;
128 }
129
130 static const IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl = {
131 IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface,
132 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef,
133 IDirectMusicContainerImpl_IDirectMusicContainer_Release,
134 IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
135 };
136
137 /* IDirectMusicObject part: */
138 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
139 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
140 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
141 }
142
143 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
144 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
145 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
146 }
147
148 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
149 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
150 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
151 }
152
153 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
154 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
155 TRACE("(%p, %p):\n", This, pDesc);
156
157 /* check if whe can write to whole pDesc */
158 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
159 ERR(": pDesc->dwSize bad read pointer\n");
160 return E_POINTER;
161 }
162 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
163 ERR(": invalid pDesc->dwSize\n");
164 return E_INVALIDARG;
165 }
166 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
167 ERR(": pDesc bad write pointer\n");
168 return E_POINTER;
169 }
170
171 DM_STRUCT_INIT(pDesc);
172 memcpy (pDesc, &This->Desc, sizeof(DMUS_OBJECTDESC));
173
174 return S_OK;
175 }
176
177 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
178 DWORD dwNewFlags = 0;
179 DWORD dwFlagDifference;
180 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
181 TRACE("(%p, %p):\n", This, pDesc);
182
183 /* check if whe can read whole pDesc */
184 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
185 ERR(": pDesc->dwSize bad read pointer\n");
186 return E_POINTER;
187 }
188 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
189 ERR(": invalid pDesc->dwSize\n");
190 return E_INVALIDARG;
191 }
192 if (IsBadReadPtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
193 ERR(": pDesc bad read pointer\n");
194 return E_POINTER;
195 }
196
197 if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
198 memcpy (&This->Desc.guidObject, &pDesc->guidObject, sizeof(GUID));
199 dwNewFlags |= DMUS_OBJ_OBJECT;
200 }
201 if (pDesc->dwValidData & DMUS_OBJ_NAME) {
202 lstrcpynW (This->Desc.wszName, pDesc->wszName, DMUS_MAX_NAME);
203 dwNewFlags |= DMUS_OBJ_NAME;
204 }
205 if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) {
206 lstrcpynW (This->Desc.wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
207 dwNewFlags |= DMUS_OBJ_CATEGORY;
208 }
209 if (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) {
210 lstrcpynW (This->Desc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
211 dwNewFlags |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
212 }
213 if (pDesc->dwValidData & DMUS_OBJ_VERSION) {
214 This->Desc.vVersion.dwVersionLS = pDesc->vVersion.dwVersionLS;
215 This->Desc.vVersion.dwVersionMS = pDesc->vVersion.dwVersionMS;
216 dwNewFlags |= DMUS_OBJ_VERSION;
217 }
218 if (pDesc->dwValidData & DMUS_OBJ_DATE) {
219 This->Desc.ftDate.dwHighDateTime = pDesc->ftDate.dwHighDateTime;
220 This->Desc.ftDate.dwLowDateTime = pDesc->ftDate.dwLowDateTime;
221 dwNewFlags |= DMUS_OBJ_DATE;
222 }
223 /* set new flags */
224 This->Desc.dwValidData |= dwNewFlags;
225
226 dwFlagDifference = pDesc->dwValidData - dwNewFlags;
227 if (dwFlagDifference) {
228 pDesc->dwValidData &= ~dwFlagDifference; /* and with bitwise complement */
229 return S_FALSE;
230 } else return S_OK;
231 }
232
233 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
234 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
235 WINE_CHUNK Chunk;
236 DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
237 LARGE_INTEGER liMove; /* used when skipping chunks */
238
239 TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
240
241 /* check whether arguments are OK */
242 if (IsBadReadPtr (pStream, sizeof(LPVOID))) {
243 ERR(": pStream bad read pointer\n");
244 return E_POINTER;
245 }
246 /* check whether pDesc is OK */
247 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
248 ERR(": pDesc->dwSize bad read pointer\n");
249 return E_POINTER;
250 }
251 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
252 ERR(": invalid pDesc->dwSize\n");
253 return E_INVALIDARG;
254 }
255 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
256 ERR(": pDesc bad write pointer\n");
257 return E_POINTER;
258 }
259
260 DM_STRUCT_INIT(pDesc);
261
262 /* here we go... */
263 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
264 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
265 switch (Chunk.fccID) {
266 case FOURCC_RIFF: {
267 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
268 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
269 StreamSize = Chunk.dwSize - sizeof(FOURCC);
270 StreamCount = 0;
271 if (Chunk.fccID == DMUS_FOURCC_CONTAINER_FORM) {
272 TRACE_(dmfile)(": container form\n");
273 /* set guidClass */
274 pDesc->dwValidData |= DMUS_OBJ_CLASS;
275 memcpy (&pDesc->guidClass, &CLSID_DirectMusicContainer, sizeof(CLSID));
276 do {
277 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
278 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
279 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
280 switch (Chunk.fccID) {
281 case DMUS_FOURCC_GUID_CHUNK: {
282 TRACE_(dmfile)(": GUID chunk\n");
283 pDesc->dwValidData |= DMUS_OBJ_OBJECT;
284 IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
285 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&pDesc->guidObject));
286 break;
287 }
288 case DMUS_FOURCC_VERSION_CHUNK: {
289 TRACE_(dmfile)(": version chunk\n");
290 pDesc->dwValidData |= DMUS_OBJ_VERSION;
291 IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
292 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&pDesc->vVersion));
293 break;
294 }
295 case DMUS_FOURCC_DATE_CHUNK: {
296 TRACE_(dmfile)(": date chunk\n");
297 IStream_Read (pStream, &pDesc->ftDate, Chunk.dwSize, NULL);
298 pDesc->dwValidData |= DMUS_OBJ_DATE;
299 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&pDesc->ftDate));
300 break;
301 }
302 case DMUS_FOURCC_CATEGORY_CHUNK: {
303 TRACE_(dmfile)(": category chunk\n");
304 /* if it happens that string is too long,
305 read what we can and skip the rest*/
306 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
307 IStream_Read (pStream, pDesc->wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
308 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
309 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
310 } else {
311 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
312 }
313 pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
314 TRACE_(dmdump)(": category: %s\n", debugstr_w(pDesc->wszCategory));
315 break;
316 }
317 case FOURCC_LIST: {
318 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
319 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
320 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
321 ListCount[0] = 0;
322 switch (Chunk.fccID) {
323 /* evil M$ UNFO list, which can (!?) contain INFO elements */
324 case DMUS_FOURCC_UNFO_LIST: {
325 TRACE_(dmfile)(": UNFO list\n");
326 do {
327 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
328 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
329 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
330 switch (Chunk.fccID) {
331 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
332 (though strings seem to be valid unicode) */
333 case mmioFOURCC('I','N','A','M'):
334 case DMUS_FOURCC_UNAM_CHUNK: {
335 TRACE_(dmfile)(": name chunk\n");
336 /* if it happens that string is too long,
337 read what we can and skip the rest*/
338 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
339 IStream_Read (pStream, pDesc->wszName, DMUS_MAX_NAME_SIZE, NULL);
340 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
341 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
342 } else {
343 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
344 }
345 pDesc->dwValidData |= DMUS_OBJ_NAME;
346 TRACE_(dmdump)(": name: %s\n", debugstr_w(pDesc->wszName));
347 break;
348 }
349 default: {
350 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
351 liMove.QuadPart = Chunk.dwSize;
352 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
353 break;
354 }
355 }
356 TRACE_(dmfile)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount[0], ListSize[0]);
357 } while (ListCount[0] < ListSize[0]);
358 break;
359 }
360 default: {
361 TRACE_(dmfile)(": unknown (skipping)\n");
362 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
363 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
364 break;
365 }
366 }
367 break;
368 }
369 default: {
370 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
371 liMove.QuadPart = Chunk.dwSize;
372 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
373 break;
374 }
375 }
376 TRACE_(dmfile)(": StreamCount[0] = 0x%08lX < StreamSize[0] = 0x%08lX\n", StreamCount, StreamSize);
377 } while (StreamCount < StreamSize);
378 } else {
379 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
380 liMove.QuadPart = StreamSize;
381 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
382 return E_FAIL;
383 }
384
385 TRACE_(dmfile)(": reading finished\n");
386 break;
387 }
388 default: {
389 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
390 liMove.QuadPart = Chunk.dwSize;
391 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
392 return DMUS_E_INVALIDFILE;
393 }
394 }
395
396 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
397 return S_OK;
398 }
399
400 static const IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
401 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
402 IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
403 IDirectMusicContainerImpl_IDirectMusicObject_Release,
404 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
405 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
406 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
407 };
408
409 /* IPersistStream part: */
410 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
411 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
412 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
413 }
414
415 ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
416 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
417 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
418 }
419
420 ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
421 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
422 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
423 }
424
425 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
426 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
427
428 TRACE("(%p, %p)\n", This, pClassID);
429 if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
430 ERR(": pClassID bad write pointer\n");
431 return E_POINTER;
432 }
433
434 *pClassID = CLSID_DirectMusicContainer;
435 return S_OK;
436 }
437
438 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
439 /* FIXME: is implemented (somehow) */
440 return E_NOTIMPL;
441 }
442
443 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
444 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
445 WINE_CHUNK Chunk;
446 DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
447 LARGE_INTEGER liMove; /* used when skipping chunks */
448 ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
449 LPDIRECTMUSICGETLOADER pGetLoader;
450 LPDIRECTMUSICLOADER pLoader;
451 HRESULT result = S_OK;
452
453 TRACE("(%p, %p):\n", This, pStm);
454
455 /* check whether pStm is valid read pointer */
456 if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
457 ERR(": pStm bad read pointer\n");
458 return E_POINTER;
459 }
460 /* if stream is already set, this means we're loaded already */
461 if (This->pStream) {
462 TRACE(": stream is already set, which means container is already loaded\n");
463 return DMUS_E_ALREADY_LOADED;
464 }
465
466 /* get loader since it will be needed later */
467 if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
468 ERR(": stream not supported\n");
469 return DMUS_E_UNSUPPORTED_STREAM;
470 }
471 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
472 IDirectMusicGetLoader_Release (pGetLoader);
473
474 This->pStream = pStm;
475 IStream_AddRef (pStm); /* add count for later references */
476
477 /* start with load */
478 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
479 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
480 switch (Chunk.fccID) {
481 case FOURCC_RIFF: {
482 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
483 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
484 StreamSize = Chunk.dwSize - sizeof(FOURCC);
485 StreamCount = 0;
486 switch (Chunk.fccID) {
487 case DMUS_FOURCC_CONTAINER_FORM: {
488 TRACE_(dmfile)(": container form\n");
489 memcpy (&This->Desc.guidClass, &CLSID_DirectMusicContainer, sizeof(CLSID));
490 This->Desc.dwValidData |= DMUS_OBJ_CLASS;
491 do {
492 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
493 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
494 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
495 switch (Chunk.fccID) {
496 case DMUS_FOURCC_CONTAINER_CHUNK: {
497 TRACE_(dmfile)(": container header chunk\n");
498 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
499 TRACE_(dmdump)(": container header chunk:\n%s", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
500 break;
501 }
502 case DMUS_FOURCC_GUID_CHUNK: {
503 TRACE_(dmfile)(": GUID chunk\n");
504 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
505 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
506 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
507 break;
508 }
509 case DMUS_FOURCC_VERSION_CHUNK: {
510 TRACE_(dmfile)(": version chunk\n");
511 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
512 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
513 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
514 break;
515 }
516 case DMUS_FOURCC_DATE_CHUNK: {
517 TRACE_(dmfile)(": date chunk\n");
518 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
519 This->Desc.dwValidData |= DMUS_OBJ_DATE;
520 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
521 break;
522 }
523 case DMUS_FOURCC_CATEGORY_CHUNK: {
524 TRACE_(dmfile)(": category chunk\n");
525 /* if it happens that string is too long,
526 read what we can and skip the rest*/
527 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
528 IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
529 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
530 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
531 } else {
532 IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
533 }
534 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
535 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
536 break;
537 }
538 case FOURCC_LIST: {
539 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
540 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
541 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
542 ListCount[0] = 0;
543 switch (Chunk.fccID) {
544 case DMUS_FOURCC_UNFO_LIST: {
545 TRACE_(dmfile)(": UNFO list\n");
546 do {
547 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
548 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
549 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
550 switch (Chunk.fccID) {
551 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
552 (though strings seem to be valid unicode) */
553 case mmioFOURCC('I','N','A','M'):
554 case DMUS_FOURCC_UNAM_CHUNK: {
555 TRACE_(dmfile)(": name chunk\n");
556 /* if it happens that string is too long,
557 read what we can and skip the rest*/
558 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
559 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
560 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
561 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
562 } else {
563 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
564 }
565 This->Desc.dwValidData |= DMUS_OBJ_NAME;
566 TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
567 break;
568 }
569 default: {
570 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
571 liMove.QuadPart = Chunk.dwSize;
572 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
573 break;
574 }
575 }
576 TRACE_(dmfile)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount[0], ListSize[0]);
577 } while (ListCount[0] < ListSize[0]);
578 break;
579 }
580 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
581 TRACE_(dmfile)(": contained objects list\n");
582 do {
583 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
584 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
585 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
586 switch (Chunk.fccID) {
587 case FOURCC_LIST: {
588 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
589 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
590 ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
591 ListCount[1] = 0;
592 switch (Chunk.fccID) {
593 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
594 LPWINE_CONTAINER_ENTRY pNewEntry;
595 TRACE_(dmfile)(": contained object list\n");
596 pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
597 DM_STRUCT_INIT(&pNewEntry->Desc);
598 do {
599 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
600 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
601 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
602 switch (Chunk.fccID) {
603 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
604 TRACE_(dmfile)(": alias chunk\n");
605 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
606 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
607 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
608 break;
609 }
610 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
611 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
612 TRACE_(dmfile)(": contained object header chunk\n");
613 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
614 TRACE_(dmdump)(": contained object header: \n%s", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
615 /* copy guidClass */
616 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
617 memcpy (&pNewEntry->Desc.guidClass, &tmpObjectHeader.guidClassID, sizeof(GUID));
618 /* store flags */
619 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
620 break;
621 }
622 /* now read data... it may be safe to read everything after object header chunk,
623 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
624 case FOURCC_LIST: {
625 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
626 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
627 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
628 ListCount[2] = 0;
629 switch (Chunk.fccID) {
630 case DMUS_FOURCC_REF_LIST: {
631 TRACE_(dmfile)(": reference list\n");
632 pNewEntry->bIsRIFF = 0;
633 do {
634 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
635 ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
636 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
637 switch (Chunk.fccID) {
638 case DMUS_FOURCC_REF_CHUNK: {
639 DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
640 TRACE_(dmfile)(": reference header chunk\n");
641 memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
642 IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
643 /* copy retrieved data to DMUS_OBJECTDESC */
644 if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
645 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
646 yet if they happen to be different, I'd rather stick to this one */
647 memcpy (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID, sizeof(GUID));
648 pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
649 break;
650 }
651 case DMUS_FOURCC_GUID_CHUNK: {
652 TRACE_(dmfile)(": guid chunk\n");
653 /* no need to set flags since they were copied from reference header */
654 IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
655 break;
656 }
657 case DMUS_FOURCC_DATE_CHUNK: {
658 TRACE_(dmfile)(": file date chunk\n");
659 /* no need to set flags since they were copied from reference header */
660 IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
661 break;
662 }
663 case DMUS_FOURCC_NAME_CHUNK: {
664 TRACE_(dmfile)(": name chunk\n");
665 /* no need to set flags since they were copied from reference header */
666 IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
667 break;
668 }
669 case DMUS_FOURCC_FILE_CHUNK: {
670 TRACE_(dmfile)(": file name chunk\n");
671 /* no need to set flags since they were copied from reference header */
672 IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
673 break;
674 }
675 case DMUS_FOURCC_CATEGORY_CHUNK: {
676 TRACE_(dmfile)(": category chunk\n");
677 /* no need to set flags since they were copied from reference header */
678 IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
679 break;
680 }
681 case DMUS_FOURCC_VERSION_CHUNK: {
682 TRACE_(dmfile)(": version chunk\n");
683 /* no need to set flags since they were copied from reference header */
684 IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
685 break;
686 }
687 default: {
688 TRACE_(dmfile)(": unknown chunk (skipping)\n");
689 liMove.QuadPart = Chunk.dwSize;
690 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
691 break;
692 }
693 }
694 TRACE_(dmfile)(": ListCount[2] = 0x%08lX < ListSize[2] = 0x%08lX\n", ListCount[2], ListSize[2]);
695 } while (ListCount[2] < ListSize[2]);
696 break;
697 }
698 default: {
699 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
700 return E_FAIL;
701 }
702 }
703 break;
704 }
705
706 case FOURCC_RIFF: {
707 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
708 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
709 if (IS_VALID_DMFORM (Chunk.fccID)) {
710 TRACE_(dmfile)(": valid DMUSIC form\n");
711 pNewEntry->bIsRIFF = 1;
712 /* we'll have to skip whole RIFF chunk after SetObject is called */
713 liMove.QuadPart = 0;
714 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
715 uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
716 /* move at the beginning of RIFF chunk */
717 liMove.QuadPart = 0;
718 liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
719 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
720 /* put pointer to stream in descriptor */
721 pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
722 pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
723 /* wait till we get on the end of object list */
724 } else {
725 TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
726 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
727 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
728 /* FIXME: should we return E_FAIL? */
729 }
730 break;
731 }
732 default: {
733 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
734 liMove.QuadPart = Chunk.dwSize;
735 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
736 break;
737 }
738 }
739 TRACE_(dmfile)(": ListCount[1] = 0x%08lX < ListSize[1] = 0x%08lX\n", ListCount[1], ListSize[1]);
740 } while (ListCount[1] < ListSize[1]);
741 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
742 IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
743 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
744 or not, since we have to clean evidence of loading through stream... *sigh*
745 and we have to skip rest of the chunk, if we loaded through RIFF */
746 if (pNewEntry->bIsRIFF) {
747 liMove.QuadPart = uliPos.QuadPart;
748 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
749 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
750 pNewEntry->Desc.pStream = NULL;
751 }
752 /* add entry to list of objects */
753 list_add_tail (This->pContainedObjects, &pNewEntry->entry);
754 break;
755 }
756 default: {
757 TRACE_(dmfile)(": unknown (skipping)\n");
758 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
759 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
760 break;
761 }
762 }
763 break;
764 }
765 default: {
766 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
767 liMove.QuadPart = Chunk.dwSize;
768 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
769 break;
770 }
771 }
772 TRACE_(dmfile)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount[0], ListSize[0]);
773 } while (ListCount[0] < ListSize[0]);
774 break;
775 }
776 default: {
777 TRACE_(dmfile)(": unknown (skipping)\n");
778 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
779 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
780 break;
781 }
782 }
783 break;
784 }
785 default: {
786 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
787 liMove.QuadPart = Chunk.dwSize;
788 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
789 break;
790 }
791 }
792 TRACE_(dmfile)(": StreamCount[0] = 0x%08lX < StreamSize[0] = 0x%08lX\n", StreamCount, StreamSize);
793 } while (StreamCount < StreamSize);
794 break;
795 }
796 default: {
797 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
798 liMove.QuadPart = StreamSize;
799 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
800 return E_FAIL;
801 }
802 }
803 TRACE_(dmfile)(": reading finished\n");
804 This->Desc.dwValidData |= DMUS_OBJ_LOADED;
805 break;
806 }
807 default: {
808 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
809 liMove.QuadPart = Chunk.dwSize;
810 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
811 return E_FAIL;
812 }
813 }
814
815 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
816 so when we call GetObject later, they'll already be in cache */
817 if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
818 struct list *pEntry;
819 LPWINE_CONTAINER_ENTRY pContainedObject;
820
821 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
822
823 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
824 IDirectMusicObject* pObject;
825 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
826 /* get object from loader and then release it */
827 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
828 pContainedObject->pObject = pObject; /* for final release */
829 IDirectMusicObject_Release (pObject); /* we don't really need this one */
830 } else {
831 WARN(": failed to load contained object\n");
832 result = DMUS_S_PARTIALLOAD;
833 }
834 }
835 }
836
837 IDirectMusicLoader_Release (pLoader); /* release loader */
838
839 #if 0
840 /* DEBUG: dumps whole container object tree: */
841 if (TRACE_ON(dmloader)) {
842 int r = 0;
843 LPWINE_CONTAINER_ENTRY tmpEntry;
844 struct list *listEntry;
845
846 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
847 TRACE(" - Objects:\n");
848 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
849 tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
850 TRACE(" - Object[%i]:\n", r);
851 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
852 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
853 r++;
854 }
855 }
856 #endif
857
858 return result;
859 }
860
861 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
862 ERR(": should not be needed\n");
863 return E_NOTIMPL;
864 }
865
866 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
867 ERR(": should not be needed\n");
868 return E_NOTIMPL;
869 }
870
871 static const IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
872 IDirectMusicContainerImpl_IPersistStream_QueryInterface,
873 IDirectMusicContainerImpl_IPersistStream_AddRef,
874 IDirectMusicContainerImpl_IPersistStream_Release,
875 IDirectMusicContainerImpl_IPersistStream_GetClassID,
876 IDirectMusicContainerImpl_IPersistStream_IsDirty,
877 IDirectMusicContainerImpl_IPersistStream_Load,
878 IDirectMusicContainerImpl_IPersistStream_Save,
879 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
880 };
881
882 /* for ClassFactory */
883 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
884 IDirectMusicContainerImpl* obj;
885
886 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
887 if (NULL == obj) {
888 *ppobj = NULL;
889 return E_OUTOFMEMORY;
890 }
891 obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
892 obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
893 obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
894 obj->dwRef = 0; /* will be inited by QueryInterface */
895 obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
896 list_init (obj->pContainedObjects);
897
898 /* increase number of instances */
899 InterlockedIncrement (&dwDirectMusicContainer);
900
901 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);
902 }
903
904 HRESULT WINAPI DMUSIC_DestroyDirectMusicContainerImpl (LPDIRECTMUSICCONTAINER iface) {
905 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
906 LPDIRECTMUSICLOADER pLoader;
907 LPDIRECTMUSICGETLOADER pGetLoader;
908 struct list *pEntry;
909 LPWINE_CONTAINER_ENTRY pContainedObject;
910
911 /* get loader (from stream we loaded from) */
912 TRACE(": getting loader\n");
913 IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
914 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
915 IDirectMusicGetLoader_Release (pGetLoader);
916
917 /* release objects from loader's cache (if appropriate) */
918 TRACE(": releasing objects from loader's cache\n");
919 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
920 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
921 /* my tests indicate that container releases objects *only*
922 if they were loaded at it's load-time (makes sense, it doesn't
923 have pointers to objects otherwise); BTW: native container seems
924 ti ignore the flags (I won't) */
925 if (pContainedObject->pObject && !(pContainedObject->dwFlags & DMUS_CONTAINED_OBJF_KEEP)) {
926 /* flags say it shouldn't be kept in loader's cache */
927 IDirectMusicLoader_ReleaseObject (pLoader, pContainedObject->pObject);
928 }
929 }
930 IDirectMusicLoader_Release (pLoader);
931
932 /* release stream we loaded from */
933 IStream_Release (This->pStream);
934
935 /* FIXME: release allocated entries */
936
937 /* decrease number of instances */
938 InterlockedDecrement (&dwDirectMusicContainer);
939
940 return S_OK;
941 }
Maarten's multimedia branch