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comctl32: Fix a typo in comment.
[wine.git] / dlls / dmime / audiopath.c
blobcc7e4d12c92a83c4ce0d1c21c2aa93c6dcbfcc92
1 /* IDirectMusicAudioPath Implementation
2 *
3 * Copyright (C) 2003-2004 Rok Mandeljc
4 *
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.
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 GNU
13 * Lesser General Public License for more details.
14 *
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
18 */
19
20 #include "dmime_private.h"
21 #include "dmobject.h"
22
23 WINE_DEFAULT_DEBUG_CHANNEL(dmime);
24 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
25
26 struct IDirectMusicAudioPathImpl {
27 IDirectMusicAudioPath IDirectMusicAudioPath_iface;
28 struct dmobject dmobj;
29 LONG ref;
30 IDirectMusicPerformance8* pPerf;
31 IDirectMusicGraph* pToolGraph;
32 IDirectSoundBuffer* pDSBuffer;
33 IDirectSoundBuffer* pPrimary;
34
35 BOOL fActive;
36 };
37
38 static inline struct IDirectMusicAudioPathImpl *impl_from_IDirectMusicAudioPath(IDirectMusicAudioPath *iface)
39 {
40 return CONTAINING_RECORD(iface, struct IDirectMusicAudioPathImpl, IDirectMusicAudioPath_iface);
41 }
42
43 static inline struct IDirectMusicAudioPathImpl *impl_from_IDirectMusicObject(IDirectMusicObject *iface)
44 {
45 return CONTAINING_RECORD(iface, struct IDirectMusicAudioPathImpl, dmobj.IDirectMusicObject_iface);
46 }
47
48 static inline struct IDirectMusicAudioPathImpl *impl_from_IPersistStream(IPersistStream *iface)
49 {
50 return CONTAINING_RECORD(iface, struct IDirectMusicAudioPathImpl, dmobj.IPersistStream_iface);
51 }
52
53 void set_audiopath_perf_pointer(IDirectMusicAudioPath *iface, IDirectMusicPerformance8 *performance)
54 {
55 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
56 This->pPerf = performance;
57 }
58
59 void set_audiopath_dsound_buffer(IDirectMusicAudioPath *iface, IDirectSoundBuffer *buffer)
60 {
61 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
62 This->pDSBuffer = buffer;
63 }
64
65 void set_audiopath_primary_dsound_buffer(IDirectMusicAudioPath *iface, IDirectSoundBuffer *buffer)
66 {
67 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
68 This->pPrimary = buffer;
69 }
70
71 /*****************************************************************************
72 * IDirectMusicAudioPathImpl implementation
73 */
74 static HRESULT WINAPI IDirectMusicAudioPathImpl_QueryInterface (IDirectMusicAudioPath *iface, REFIID riid, void **ppobj)
75 {
76 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
77
78 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
79
80 *ppobj = NULL;
81
82 if (IsEqualIID (riid, &IID_IDirectMusicAudioPath) || IsEqualIID (riid, &IID_IUnknown))
83 *ppobj = &This->IDirectMusicAudioPath_iface;
84 else if (IsEqualIID (riid, &IID_IDirectMusicObject))
85 *ppobj = &This->dmobj.IDirectMusicObject_iface;
86 else if (IsEqualIID (riid, &IID_IPersistStream))
87 *ppobj = &This->dmobj.IPersistStream_iface;
88
89 if (*ppobj) {
90 IUnknown_AddRef((IUnknown*)*ppobj);
91 return S_OK;
92 }
93
94 WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
95 return E_NOINTERFACE;
96 }
97
98 static ULONG WINAPI IDirectMusicAudioPathImpl_AddRef (IDirectMusicAudioPath *iface)
99 {
100 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
101 ULONG ref = InterlockedIncrement(&This->ref);
102
103 TRACE("(%p): AddRef from %d\n", This, ref - 1);
104
105 DMIME_LockModule();
106 return ref;
107 }
108
109 static ULONG WINAPI IDirectMusicAudioPathImpl_Release (IDirectMusicAudioPath *iface)
110 {
111 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
112 ULONG ref = InterlockedDecrement(&This->ref);
113
114 TRACE("(%p): ReleaseRef to %d\n", This, ref);
115
116 if (ref == 0) {
117 if (This->pDSBuffer)
118 IDirectSoundBuffer8_Release(This->pDSBuffer);
119 This->pPerf = NULL;
120 HeapFree(GetProcessHeap(), 0, This);
121 }
122
123 DMIME_UnlockModule();
124 return ref;
125 }
126
127 static HRESULT WINAPI IDirectMusicAudioPathImpl_GetObjectInPath (IDirectMusicAudioPath *iface, DWORD dwPChannel, DWORD dwStage, DWORD dwBuffer,
128 REFGUID guidObject, WORD dwIndex, REFGUID iidInterface, void** ppObject)
129 {
130 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
131 HRESULT hr;
132
133 FIXME("(%p, %d, %d, %d, %s, %d, %s, %p): stub\n", This, dwPChannel, dwStage, dwBuffer, debugstr_dmguid(guidObject),
134 dwIndex, debugstr_dmguid(iidInterface), ppObject);
135
136 switch (dwStage) {
137 case DMUS_PATH_BUFFER:
138 if (This->pDSBuffer)
139 {
140 if (IsEqualIID (iidInterface, &IID_IUnknown) ||
141 IsEqualIID (iidInterface, &IID_IDirectSoundBuffer) ||
142 IsEqualIID (iidInterface, &IID_IDirectSoundBuffer8) ||
143 IsEqualIID (iidInterface, &IID_IDirectSound3DBuffer)) {
144 return IDirectSoundBuffer8_QueryInterface (This->pDSBuffer, iidInterface, ppObject);
145 }
146
147 WARN("Unsupported interface %s\n", debugstr_dmguid(iidInterface));
148 *ppObject = NULL;
149 return E_NOINTERFACE;
150 }
151 break;
152
153 case DMUS_PATH_PRIMARY_BUFFER: {
154 if (IsEqualIID (iidInterface, &IID_IDirectSound3DListener)) {
155 IDirectSoundBuffer8_QueryInterface (This->pPrimary, &IID_IDirectSound3DListener, ppObject);
156 return S_OK;
157 } else {
158 FIXME("bad iid...\n");
159 }
160 }
161 break;
162
163 case DMUS_PATH_AUDIOPATH_GRAPH:
164 {
165 if (IsEqualIID (iidInterface, &IID_IDirectMusicGraph)) {
166 if (NULL == This->pToolGraph) {
167 IDirectMusicGraphImpl* pGraph;
168 hr = create_dmgraph(&IID_IDirectMusicGraph, (void**)&pGraph);
169 if (FAILED(hr))
170 return hr;
171 This->pToolGraph = (IDirectMusicGraph*) pGraph;
172 }
173 *ppObject = This->pToolGraph;
174 IDirectMusicGraph_AddRef((LPDIRECTMUSICGRAPH) *ppObject);
175 return S_OK;
176 }
177 }
178 break;
179
180 case DMUS_PATH_AUDIOPATH_TOOL:
181 {
182 /* TODO */
183 }
184 break;
185
186 case DMUS_PATH_PERFORMANCE:
187 {
188 /* TODO check wanted GUID */
189 *ppObject = This->pPerf;
190 IUnknown_AddRef((LPUNKNOWN) *ppObject);
191 return S_OK;
192 }
193 break;
194
195 case DMUS_PATH_PERFORMANCE_GRAPH:
196 {
197 IDirectMusicGraph* pPerfoGraph = NULL;
198 IDirectMusicPerformance8_GetGraph(This->pPerf, &pPerfoGraph);
199 if (NULL == pPerfoGraph) {
200 IDirectMusicGraphImpl* pGraph = NULL;
201 hr = create_dmgraph(&IID_IDirectMusicGraph, (void**)&pGraph);
202 if (FAILED(hr))
203 return hr;
204 IDirectMusicPerformance8_SetGraph(This->pPerf, (IDirectMusicGraph*) pGraph);
205 /* we need release as SetGraph do an AddRef */
206 IDirectMusicGraph_Release((LPDIRECTMUSICGRAPH) pGraph);
207 pPerfoGraph = (LPDIRECTMUSICGRAPH) pGraph;
208 }
209 *ppObject = pPerfoGraph;
210 return S_OK;
211 }
212 break;
213
214 case DMUS_PATH_PERFORMANCE_TOOL:
215 default:
216 break;
217 }
218
219 *ppObject = NULL;
220 return E_INVALIDARG;
221 }
222
223 static HRESULT WINAPI IDirectMusicAudioPathImpl_Activate (IDirectMusicAudioPath *iface, BOOL fActivate)
224 {
225 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
226 FIXME("(%p, %d): stub\n", This, fActivate);
227 if (!fActivate) {
228 if (!This->fActive) return S_OK;
229 This->fActive = FALSE;
230 } else {
231 if (This->fActive) return S_OK;
232 This->fActive = TRUE;
233 if (NULL != This->pDSBuffer) {
234 IDirectSoundBuffer_Stop(This->pDSBuffer);
235 }
236 }
237 return S_OK;
238 }
239
240 static HRESULT WINAPI IDirectMusicAudioPathImpl_SetVolume (IDirectMusicAudioPath *iface, LONG lVolume, DWORD dwDuration)
241 {
242 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
243 FIXME("(%p, %i, %d): stub\n", This, lVolume, dwDuration);
244 return S_OK;
245 }
246
247 static HRESULT WINAPI IDirectMusicAudioPathImpl_ConvertPChannel (IDirectMusicAudioPath *iface, DWORD dwPChannelIn, DWORD* pdwPChannelOut)
248 {
249 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicAudioPath(iface);
250 FIXME("(%p, %d, %p): stub\n", This, dwPChannelIn, pdwPChannelOut);
251 return S_OK;
252 }
253
254 static const IDirectMusicAudioPathVtbl DirectMusicAudioPathVtbl = {
255 IDirectMusicAudioPathImpl_QueryInterface,
256 IDirectMusicAudioPathImpl_AddRef,
257 IDirectMusicAudioPathImpl_Release,
258 IDirectMusicAudioPathImpl_GetObjectInPath,
259 IDirectMusicAudioPathImpl_Activate,
260 IDirectMusicAudioPathImpl_SetVolume,
261 IDirectMusicAudioPathImpl_ConvertPChannel
262 };
263
264 /* IDirectMusicObject */
265 static HRESULT WINAPI DirectMusicObject_ParseDescriptor(IDirectMusicObject *iface, IStream *pStream, DMUS_OBJECTDESC *pDesc)
266 {
267 struct IDirectMusicAudioPathImpl *This = impl_from_IDirectMusicObject(iface);
268 DMUS_PRIVATE_CHUNK Chunk;
269 DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
270 LARGE_INTEGER liMove; /* used when skipping chunks */
271
272 TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
273
274 /* FIXME: should this be determined from stream? */
275 pDesc->dwValidData |= DMUS_OBJ_CLASS;
276 pDesc->guidClass = This->dmobj.desc.guidClass;
277
278 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
279 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
280 switch (Chunk.fccID) {
281 case FOURCC_RIFF: {
282 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
283 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
284 StreamSize = Chunk.dwSize - sizeof(FOURCC);
285 StreamCount = 0;
286 if (Chunk.fccID == DMUS_FOURCC_AUDIOPATH_FORM) {
287 TRACE_(dmfile)(": audio path form\n");
288 do {
289 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
290 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
291 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
292 switch (Chunk.fccID) {
293 case DMUS_FOURCC_GUID_CHUNK: {
294 TRACE_(dmfile)(": GUID chunk\n");
295 pDesc->dwValidData |= DMUS_OBJ_OBJECT;
296 IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
297 break;
298 }
299 case DMUS_FOURCC_VERSION_CHUNK: {
300 TRACE_(dmfile)(": version chunk\n");
301 pDesc->dwValidData |= DMUS_OBJ_VERSION;
302 IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
303 break;
304 }
305 case DMUS_FOURCC_CATEGORY_CHUNK: {
306 TRACE_(dmfile)(": category chunk\n");
307 pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
308 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
309 break;
310 }
311 case FOURCC_LIST: {
312 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
313 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
314 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
315 ListCount[0] = 0;
316 switch (Chunk.fccID) {
317 /* evil M$ UNFO list, which can (!?) contain INFO elements */
318 case DMUS_FOURCC_UNFO_LIST: {
319 TRACE_(dmfile)(": UNFO list\n");
320 do {
321 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
322 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
323 TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
324 switch (Chunk.fccID) {
325 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
326 (though strings seem to be valid unicode) */
327 case mmioFOURCC('I','N','A','M'):
328 case DMUS_FOURCC_UNAM_CHUNK: {
329 TRACE_(dmfile)(": name chunk\n");
330 pDesc->dwValidData |= DMUS_OBJ_NAME;
331 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
332 break;
333 }
334 case mmioFOURCC('I','A','R','T'):
335 case DMUS_FOURCC_UART_CHUNK: {
336 TRACE_(dmfile)(": artist chunk (ignored)\n");
337 liMove.QuadPart = Chunk.dwSize;
338 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
339 break;
340 }
341 case mmioFOURCC('I','C','O','P'):
342 case DMUS_FOURCC_UCOP_CHUNK: {
343 TRACE_(dmfile)(": copyright chunk (ignored)\n");
344 liMove.QuadPart = Chunk.dwSize;
345 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
346 break;
347 }
348 case mmioFOURCC('I','S','B','J'):
349 case DMUS_FOURCC_USBJ_CHUNK: {
350 TRACE_(dmfile)(": subject chunk (ignored)\n");
351 liMove.QuadPart = Chunk.dwSize;
352 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
353 break;
354 }
355 case mmioFOURCC('I','C','M','T'):
356 case DMUS_FOURCC_UCMT_CHUNK: {
357 TRACE_(dmfile)(": comment chunk (ignored)\n");
358 liMove.QuadPart = Chunk.dwSize;
359 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
360 break;
361 }
362 default: {
363 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
364 liMove.QuadPart = Chunk.dwSize;
365 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
366 break;
367 }
368 }
369 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
370 } while (ListCount[0] < ListSize[0]);
371 break;
372 }
373 default: {
374 TRACE_(dmfile)(": unknown (skipping)\n");
375 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
376 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
377 break;
378 }
379 }
380 break;
381 }
382 default: {
383 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
384 liMove.QuadPart = Chunk.dwSize;
385 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
386 break;
387 }
388 }
389 TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
390 } while (StreamCount < StreamSize);
391 } else {
392 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
393 liMove.QuadPart = StreamSize;
394 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
395 return E_FAIL;
396 }
397
398 TRACE_(dmfile)(": reading finished\n");
399 break;
400 }
401 default: {
402 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
403 liMove.QuadPart = Chunk.dwSize;
404 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
405 return DMUS_E_INVALIDFILE;
406 }
407 }
408
409 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
410
411 return S_OK;
412 }
413
414 static const IDirectMusicObjectVtbl dmobject_vtbl = {
415 dmobj_IDirectMusicObject_QueryInterface,
416 dmobj_IDirectMusicObject_AddRef,
417 dmobj_IDirectMusicObject_Release,
418 dmobj_IDirectMusicObject_GetDescriptor,
419 dmobj_IDirectMusicObject_SetDescriptor,
420 DirectMusicObject_ParseDescriptor
421 };
422
423 /* IPersistStream */
424 static HRESULT WINAPI PersistStream_Load(IPersistStream *iface, IStream *pStm)
425 {
426 struct IDirectMusicAudioPathImpl *This = impl_from_IPersistStream(iface);
427
428 FOURCC chunkID;
429 DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
430 LARGE_INTEGER liMove; /* used when skipping chunks */
431
432 FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
433 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
434 IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
435 TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
436 switch (chunkID) {
437 case FOURCC_RIFF: {
438 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
439 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
440 StreamSize = chunkSize - sizeof(FOURCC);
441 StreamCount = 0;
442 switch (chunkID) {
443 case DMUS_FOURCC_AUDIOPATH_FORM: {
444 TRACE_(dmfile)(": audio path form\n");
445 do {
446 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
447 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
448 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
449 TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
450 switch (chunkID) {
451 case DMUS_FOURCC_GUID_CHUNK: {
452 TRACE_(dmfile)(": GUID chunk\n");
453 This->dmobj.desc.dwValidData |= DMUS_OBJ_OBJECT;
454 IStream_Read (pStm, &This->dmobj.desc.guidObject, chunkSize, NULL);
455 break;
456 }
457 case DMUS_FOURCC_VERSION_CHUNK: {
458 TRACE_(dmfile)(": version chunk\n");
459 This->dmobj.desc.dwValidData |= DMUS_OBJ_VERSION;
460 IStream_Read (pStm, &This->dmobj.desc.vVersion, chunkSize, NULL);
461 break;
462 }
463 case DMUS_FOURCC_CATEGORY_CHUNK: {
464 TRACE_(dmfile)(": category chunk\n");
465 This->dmobj.desc.dwValidData |= DMUS_OBJ_CATEGORY;
466 IStream_Read (pStm, This->dmobj.desc.wszCategory, chunkSize, NULL);
467 break;
468 }
469 case FOURCC_LIST: {
470 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
471 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
472 ListSize[0] = chunkSize - sizeof(FOURCC);
473 ListCount[0] = 0;
474 switch (chunkID) {
475 case DMUS_FOURCC_UNFO_LIST: {
476 TRACE_(dmfile)(": UNFO list\n");
477 do {
478 IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
479 IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
480 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
481 TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
482 switch (chunkID) {
483 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
484 (though strings seem to be valid unicode) */
485 case mmioFOURCC('I','N','A','M'):
486 case DMUS_FOURCC_UNAM_CHUNK: {
487 TRACE_(dmfile)(": name chunk\n");
488 This->dmobj.desc.dwValidData |= DMUS_OBJ_NAME;
489 IStream_Read (pStm, This->dmobj.desc.wszName, chunkSize, NULL);
490 break;
491 }
492 case mmioFOURCC('I','A','R','T'):
493 case DMUS_FOURCC_UART_CHUNK: {
494 TRACE_(dmfile)(": artist chunk (ignored)\n");
495 liMove.QuadPart = chunkSize;
496 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
497 break;
498 }
499 case mmioFOURCC('I','C','O','P'):
500 case DMUS_FOURCC_UCOP_CHUNK: {
501 TRACE_(dmfile)(": copyright chunk (ignored)\n");
502 liMove.QuadPart = chunkSize;
503 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
504 break;
505 }
506 case mmioFOURCC('I','S','B','J'):
507 case DMUS_FOURCC_USBJ_CHUNK: {
508 TRACE_(dmfile)(": subject chunk (ignored)\n");
509 liMove.QuadPart = chunkSize;
510 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
511 break;
512 }
513 case mmioFOURCC('I','C','M','T'):
514 case DMUS_FOURCC_UCMT_CHUNK: {
515 TRACE_(dmfile)(": comment chunk (ignored)\n");
516 liMove.QuadPart = chunkSize;
517 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
518 break;
519 }
520 default: {
521 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
522 liMove.QuadPart = chunkSize;
523 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
524 break;
525 }
526 }
527 TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
528 } while (ListCount[0] < ListSize[0]);
529 break;
530 }
531 default: {
532 TRACE_(dmfile)(": unknown (skipping)\n");
533 liMove.QuadPart = chunkSize - sizeof(FOURCC);
534 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
535 break;
536 }
537 }
538 break;
539 }
540 default: {
541 TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
542 liMove.QuadPart = chunkSize;
543 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
544 break;
545 }
546 }
547 TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
548 } while (StreamCount < StreamSize);
549 break;
550 }
551 default: {
552 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
553 liMove.QuadPart = StreamSize;
554 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
555 return E_FAIL;
556 }
557 }
558 TRACE_(dmfile)(": reading finished\n");
559 break;
560 }
561 default: {
562 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
563 liMove.QuadPart = chunkSize;
564 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
565 return E_FAIL;
566 }
567 }
568
569 return S_OK;
570 }
571
572 static const IPersistStreamVtbl persiststream_vtbl = {
573 dmobj_IPersistStream_QueryInterface,
574 dmobj_IPersistStream_AddRef,
575 dmobj_IPersistStream_Release,
576 dmobj_IPersistStream_GetClassID,
577 unimpl_IPersistStream_IsDirty,
578 PersistStream_Load,
579 unimpl_IPersistStream_Save,
580 unimpl_IPersistStream_GetSizeMax
581 };
582
583 /* for ClassFactory */
584 HRESULT WINAPI create_dmaudiopath(REFIID riid, void **ppobj)
585 {
586 IDirectMusicAudioPathImpl* obj;
587 HRESULT hr;
588
589 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicAudioPathImpl));
590 if (NULL == obj) {
591 *ppobj = NULL;
592 return E_OUTOFMEMORY;
593 }
594 obj->IDirectMusicAudioPath_iface.lpVtbl = &DirectMusicAudioPathVtbl;
595 obj->ref = 1;
596 dmobject_init(&obj->dmobj, &CLSID_DirectMusicAudioPathConfig,
597 (IUnknown *)&obj->IDirectMusicAudioPath_iface);
598 obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
599 obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
600
601 hr = IDirectMusicAudioPath_QueryInterface(&obj->IDirectMusicAudioPath_iface, riid, ppobj);
602 IDirectMusicAudioPath_Release(&obj->IDirectMusicAudioPath_iface);
603 return hr;
604 }
Windows API implementation