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Initialize COM prior to displaying the file dialog.
[wine/multimedia.git] / dlls / dmcompos / chordmap.c
blob147324e9b8b646d7d0d15b2ea078bedd68ee993f
1 /* IDirectMusicChordMap Implementation
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 "dmcompos_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dmcompos);
23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
24
25 /*****************************************************************************
26 * IDirectMusicChordMapImpl implementation
27 */
28 /* IDirectMusicChordMapImpl IUnknown part: */
29 static HRESULT WINAPI IDirectMusicChordMapImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
30 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
31 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
32
33 if (IsEqualIID (riid, &IID_IUnknown)) {
34 *ppobj = (LPVOID)&This->UnknownVtbl;
35 IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
36 return S_OK;
37 } else if (IsEqualIID (riid, &IID_IDirectMusicChordMap)) {
38 *ppobj = (LPVOID)&This->ChordMapVtbl;
39 IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef ((LPDIRECTMUSICCHORDMAP)&This->ChordMapVtbl);
40 return S_OK;
41 } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
42 *ppobj = (LPVOID)&This->ObjectVtbl;
43 IDirectMusicChordMapImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
44 return S_OK;
45 } else if (IsEqualIID (riid, &IID_IPersistStream)) {
46 *ppobj = (LPVOID)&This->PersistStreamVtbl;
47 IDirectMusicChordMapImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
48 return S_OK;
49 }
50
51 WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
52 return E_NOINTERFACE;
53 }
54
55 ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_AddRef (LPUNKNOWN iface) {
56 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
57 ULONG ref = InterlockedIncrement(&This->ref);
58
59 TRACE("(%p): AddRef from %ld\n", This, ref - 1);
60
61 DMCOMPOS_LockModule();
62
63 return ref;
64 }
65
66 static ULONG WINAPI IDirectMusicChordMapImpl_IUnknown_Release (LPUNKNOWN iface) {
67 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, UnknownVtbl, iface);
68 ULONG ref = InterlockedDecrement(&This->ref);
69
70 TRACE("(%p): ReleaseRef to %ld\n", This, ref);
71
72 if (ref == 0) {
73 HeapFree(GetProcessHeap(), 0, This);
74 }
75
76 DMCOMPOS_UnlockModule();
77
78 return ref;
79 }
80
81 static const IUnknownVtbl DirectMusicChordMap_Unknown_Vtbl = {
82 IDirectMusicChordMapImpl_IUnknown_QueryInterface,
83 IDirectMusicChordMapImpl_IUnknown_AddRef,
84 IDirectMusicChordMapImpl_IUnknown_Release
85 };
86
87 /* IDirectMusicChordMapImpl IDirectMusicChordMap part: */
88 static HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface (LPDIRECTMUSICCHORDMAP iface, REFIID riid, LPVOID *ppobj) {
89 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
90 return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
91 }
92
93 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef (LPDIRECTMUSICCHORDMAP iface) {
94 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
95 return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
96 }
97
98 static ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_Release (LPDIRECTMUSICCHORDMAP iface) {
99 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
100 return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
101 }
102
103 static HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale (LPDIRECTMUSICCHORDMAP iface, DWORD* pdwScale) {
104 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ChordMapVtbl, iface);
105 FIXME("(%p, %p): stub\n", This, pdwScale);
106 return S_OK;
107 }
108
109 static const IDirectMusicChordMapVtbl DirectMusicChordMap_ChordMap_Vtbl = {
110 IDirectMusicChordMapImpl_IDirectMusicChordMap_QueryInterface,
111 IDirectMusicChordMapImpl_IDirectMusicChordMap_AddRef,
112 IDirectMusicChordMapImpl_IDirectMusicChordMap_Release,
113 IDirectMusicChordMapImpl_IDirectMusicChordMap_GetScale
114 };
115
116 /* IDirectMusicChordMapImpl IDirectMusicObject part: */
117 static HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
118 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
119 return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
120 }
121
122 ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
123 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
124 return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
125 }
126
127 static ULONG WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
128 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
129 return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
130 }
131
132 static HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
133 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
134 TRACE("(%p, %p)\n", This, pDesc);
135 /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
136 memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
137 return S_OK;
138 }
139
140 static HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
141 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, ObjectVtbl, iface);
142 TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
143
144 /* According to MSDN, we should copy only given values, not whole struct */
145 if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
146 memcpy (&This->pDesc->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
147 if (pDesc->dwValidData & DMUS_OBJ_CLASS)
148 memcpy (&This->pDesc->guidClass, &pDesc->guidClass, sizeof (pDesc->guidClass));
149 if (pDesc->dwValidData & DMUS_OBJ_NAME)
150 lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
151 if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
152 lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
153 if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
154 lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
155 if (pDesc->dwValidData & DMUS_OBJ_VERSION)
156 memcpy (&This->pDesc->vVersion, &pDesc->vVersion, sizeof (pDesc->vVersion));
157 if (pDesc->dwValidData & DMUS_OBJ_DATE)
158 memcpy (&This->pDesc->ftDate, &pDesc->ftDate, sizeof (pDesc->ftDate));
159 if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
160 memcpy (&This->pDesc->llMemLength, &pDesc->llMemLength, sizeof (pDesc->llMemLength));
161 memcpy (This->pDesc->pbMemData, pDesc->pbMemData, sizeof (pDesc->pbMemData));
162 }
163 if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
164 /* according to MSDN, we copy the stream */
165 IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
166 }
167
168 /* add new flags */
169 This->pDesc->dwValidData |= pDesc->dwValidData;
170
171 return S_OK;
172 }
173
174 static HRESULT WINAPI IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
175 DMUS_PRIVATE_CHUNK Chunk;
176 DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
177 LARGE_INTEGER liMove; /* used when skipping chunks */
178
179 TRACE("(%p, %p)\n", pStream, pDesc);
180
181 /* FIXME: should this be determined from stream? */
182 pDesc->dwValidData |= DMUS_OBJ_CLASS;
183 memcpy (&pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof(CLSID));
184
185 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
186 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
187 switch (Chunk.fccID) {
188 case FOURCC_RIFF: {
189 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
190 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
191 StreamSize = Chunk.dwSize - sizeof(FOURCC);
192 StreamCount = 0;
193 if (Chunk.fccID == DMUS_FOURCC_CHORDMAP_FORM) {
194 TRACE_(dmfile)(": chord map form\n");
195 do {
196 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
197 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
198 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
199 switch (Chunk.fccID) {
200 case DMUS_FOURCC_GUID_CHUNK: {
201 TRACE_(dmfile)(": GUID chunk\n");
202 pDesc->dwValidData |= DMUS_OBJ_OBJECT;
203 IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
204 break;
205 }
206 case DMUS_FOURCC_VERSION_CHUNK: {
207 TRACE_(dmfile)(": version chunk\n");
208 pDesc->dwValidData |= DMUS_OBJ_VERSION;
209 IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
210 break;
211 }
212 case DMUS_FOURCC_CATEGORY_CHUNK: {
213 TRACE_(dmfile)(": category chunk\n");
214 pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
215 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
216 break;
217 }
218 case FOURCC_LIST: {
219 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
220 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
221 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
222 ListCount[0] = 0;
223 switch (Chunk.fccID) {
224 /* evil M$ UNFO list, which can (!?) contain INFO elements */
225 case DMUS_FOURCC_UNFO_LIST: {
226 TRACE_(dmfile)(": UNFO list\n");
227 do {
228 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
229 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
230 TRACE_(dmfile)(": %s chunk (size = 0x%04lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
231 switch (Chunk.fccID) {
232 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
233 (though strings seem to be valid unicode) */
234 case mmioFOURCC('I','N','A','M'):
235 case DMUS_FOURCC_UNAM_CHUNK: {
236 TRACE_(dmfile)(": name chunk\n");
237 pDesc->dwValidData |= DMUS_OBJ_NAME;
238 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
239 break;
240 }
241 case mmioFOURCC('I','A','R','T'):
242 case DMUS_FOURCC_UART_CHUNK: {
243 TRACE_(dmfile)(": artist chunk (ignored)\n");
244 liMove.QuadPart = Chunk.dwSize;
245 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
246 break;
247 }
248 case mmioFOURCC('I','C','O','P'):
249 case DMUS_FOURCC_UCOP_CHUNK: {
250 TRACE_(dmfile)(": copyright chunk (ignored)\n");
251 liMove.QuadPart = Chunk.dwSize;
252 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
253 break;
254 }
255 case mmioFOURCC('I','S','B','J'):
256 case DMUS_FOURCC_USBJ_CHUNK: {
257 TRACE_(dmfile)(": subject chunk (ignored)\n");
258 liMove.QuadPart = Chunk.dwSize;
259 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
260 break;
261 }
262 case mmioFOURCC('I','C','M','T'):
263 case DMUS_FOURCC_UCMT_CHUNK: {
264 TRACE_(dmfile)(": comment chunk (ignored)\n");
265 liMove.QuadPart = Chunk.dwSize;
266 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
267 break;
268 }
269 default: {
270 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
271 liMove.QuadPart = Chunk.dwSize;
272 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
273 break;
274 }
275 }
276 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
277 } while (ListCount[0] < ListSize[0]);
278 break;
279 }
280 default: {
281 TRACE_(dmfile)(": unknown (skipping)\n");
282 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
283 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
284 break;
285 }
286 }
287 break;
288 }
289 default: {
290 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
291 liMove.QuadPart = Chunk.dwSize;
292 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
293 break;
294 }
295 }
296 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
297 } while (StreamCount < StreamSize);
298 } else {
299 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
300 liMove.QuadPart = StreamSize;
301 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
302 return E_FAIL;
303 }
304
305 TRACE_(dmfile)(": reading finished\n");
306 break;
307 }
308 default: {
309 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
310 liMove.QuadPart = Chunk.dwSize;
311 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
312 return DMUS_E_INVALIDFILE;
313 }
314 }
315
316 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
317
318 return S_OK;
319 }
320
321 static const IDirectMusicObjectVtbl DirectMusicChordMap_Object_Vtbl = {
322 IDirectMusicChordMapImpl_IDirectMusicObject_QueryInterface,
323 IDirectMusicChordMapImpl_IDirectMusicObject_AddRef,
324 IDirectMusicChordMapImpl_IDirectMusicObject_Release,
325 IDirectMusicChordMapImpl_IDirectMusicObject_GetDescriptor,
326 IDirectMusicChordMapImpl_IDirectMusicObject_SetDescriptor,
327 IDirectMusicChordMapImpl_IDirectMusicObject_ParseDescriptor
328 };
329
330
331 /* IDirectMusicChordMapImpl IPersistStream part: */
332 static HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
333 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
334 return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
335 }
336
337 ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
338 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
339 return IDirectMusicChordMapImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
340 }
341
342 static ULONG WINAPI IDirectMusicChordMapImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
343 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
344 return IDirectMusicChordMapImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
345 }
346
347 static HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
348 return E_NOTIMPL;
349 }
350
351 static HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
352 return E_NOTIMPL;
353 }
354
355 static HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
356 ICOM_THIS_MULTI(IDirectMusicChordMapImpl, PersistStreamVtbl, iface);
357
358 FOURCC chunkID;
359 DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
360 LARGE_INTEGER liMove; /* used when skipping chunks */
361
362 FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
363 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
364 IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
365 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
366 switch (chunkID) {
367 case FOURCC_RIFF: {
368 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
369 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
370 StreamSize = chunkSize - sizeof(FOURCC);
371 StreamCount = 0;
372 switch (chunkID) {
373 case DMUS_FOURCC_CHORDMAP_FORM: {
374 TRACE_(dmfile)(": chordmap form\n");
375 do {
376 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
377 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
378 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
379 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
380 switch (chunkID) {
381 case DMUS_FOURCC_GUID_CHUNK: {
382 TRACE_(dmfile)(": GUID chunk\n");
383 This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
384 IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
385 break;
386 }
387 case DMUS_FOURCC_VERSION_CHUNK: {
388 TRACE_(dmfile)(": version chunk\n");
389 This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
390 IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
391 break;
392 }
393 case DMUS_FOURCC_CATEGORY_CHUNK: {
394 TRACE_(dmfile)(": category chunk\n");
395 This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
396 IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
397 break;
398 }
399 case FOURCC_LIST: {
400 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
401 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
402 ListSize[0] = chunkSize - sizeof(FOURCC);
403 ListCount[0] = 0;
404 switch (chunkID) {
405 case DMUS_FOURCC_UNFO_LIST: {
406 TRACE_(dmfile)(": UNFO list\n");
407 do {
408 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
409 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
410 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
411 TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (chunkID), chunkSize);
412 switch (chunkID) {
413 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
414 (though strings seem to be valid unicode) */
415 case mmioFOURCC('I','N','A','M'):
416 case DMUS_FOURCC_UNAM_CHUNK: {
417 TRACE_(dmfile)(": name chunk\n");
418 This->pDesc->dwValidData |= DMUS_OBJ_NAME;
419 IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
420 break;
421 }
422 case mmioFOURCC('I','A','R','T'):
423 case DMUS_FOURCC_UART_CHUNK: {
424 TRACE_(dmfile)(": artist chunk (ignored)\n");
425 liMove.QuadPart = chunkSize;
426 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
427 break;
428 }
429 case mmioFOURCC('I','C','O','P'):
430 case DMUS_FOURCC_UCOP_CHUNK: {
431 TRACE_(dmfile)(": copyright chunk (ignored)\n");
432 liMove.QuadPart = chunkSize;
433 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
434 break;
435 }
436 case mmioFOURCC('I','S','B','J'):
437 case DMUS_FOURCC_USBJ_CHUNK: {
438 TRACE_(dmfile)(": subject chunk (ignored)\n");
439 liMove.QuadPart = chunkSize;
440 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
441 break;
442 }
443 case mmioFOURCC('I','C','M','T'):
444 case DMUS_FOURCC_UCMT_CHUNK: {
445 TRACE_(dmfile)(": comment chunk (ignored)\n");
446 liMove.QuadPart = chunkSize;
447 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
448 break;
449 }
450 default: {
451 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
452 liMove.QuadPart = chunkSize;
453 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
454 break;
455 }
456 }
457 TRACE_(dmfile)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]);
458 } while (ListCount[0] < ListSize[0]);
459 break;
460 }
461 default: {
462 TRACE_(dmfile)(": unknown (skipping)\n");
463 liMove.QuadPart = chunkSize - sizeof(FOURCC);
464 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
465 break;
466 }
467 }
468 break;
469 }
470 default: {
471 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
472 liMove.QuadPart = chunkSize;
473 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
474 break;
475 }
476 }
477 TRACE_(dmfile)(": StreamCount[0] = %ld < StreamSize[0] = %ld\n", StreamCount, StreamSize);
478 } while (StreamCount < StreamSize);
479 break;
480 }
481 default: {
482 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
483 liMove.QuadPart = StreamSize;
484 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
485 return E_FAIL;
486 }
487 }
488 TRACE_(dmfile)(": reading finished\n");
489 break;
490 }
491 default: {
492 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
493 liMove.QuadPart = chunkSize;
494 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
495 return E_FAIL;
496 }
497 }
498
499 return S_OK;
500 }
501
502 static HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
503 return E_NOTIMPL;
504 }
505
506 static HRESULT WINAPI IDirectMusicChordMapImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
507 return E_NOTIMPL;
508 }
509
510 static const IPersistStreamVtbl DirectMusicChordMap_PersistStream_Vtbl = {
511 IDirectMusicChordMapImpl_IPersistStream_QueryInterface,
512 IDirectMusicChordMapImpl_IPersistStream_AddRef,
513 IDirectMusicChordMapImpl_IPersistStream_Release,
514 IDirectMusicChordMapImpl_IPersistStream_GetClassID,
515 IDirectMusicChordMapImpl_IPersistStream_IsDirty,
516 IDirectMusicChordMapImpl_IPersistStream_Load,
517 IDirectMusicChordMapImpl_IPersistStream_Save,
518 IDirectMusicChordMapImpl_IPersistStream_GetSizeMax
519 };
520
521 /* for ClassFactory */
522 HRESULT WINAPI DMUSIC_CreateDirectMusicChordMapImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
523 IDirectMusicChordMapImpl* obj;
524
525 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicChordMapImpl));
526 if (NULL == obj) {
527 *ppobj = NULL;
528 return E_OUTOFMEMORY;
529 }
530 obj->UnknownVtbl = &DirectMusicChordMap_Unknown_Vtbl;
531 obj->ChordMapVtbl = &DirectMusicChordMap_ChordMap_Vtbl;
532 obj->ObjectVtbl = &DirectMusicChordMap_Object_Vtbl;
533 obj->PersistStreamVtbl = &DirectMusicChordMap_PersistStream_Vtbl;
534 obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
535 DM_STRUCT_INIT(obj->pDesc);
536 obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
537 memcpy (&obj->pDesc->guidClass, &CLSID_DirectMusicChordMap, sizeof (CLSID));
538 obj->ref = 0; /* will be inited by QueryInterface */
539
540 return IDirectMusicChordMapImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
541 }
Maarten's multimedia branch