source: trunk/src/quartz/basefilt.c@ 8582

Last change on this file since 8582 was 6952, checked in by sandervl, 24 years ago

Wine 20011004 resync
File size: 10.2 KB
Line 
1/*
2 * Implements IBaseFilter. (internal)
3 *
4 * hidenori@a2.ctktv.ne.jp
5 */
6
7#include "config.h"
8
9#include "windef.h"
10#include "winbase.h"
11#include "wingdi.h"
12#include "winuser.h"
13#include "winerror.h"
14#include "wine/obj_base.h"
15#include "strmif.h"
16#include "vfwmsgs.h"
17#include "wine/unicode.h"
18
19#include "debugtools.h"
20DEFAULT_DEBUG_CHANNEL(quartz);
21
22#include "quartz_private.h"
23#include "basefilt.h"
24#include "enumunk.h"
25
26static HRESULT WINAPI
27CBaseFilterImpl_fnQueryInterface(IBaseFilter* iface,REFIID riid,void** ppobj)
28{
29 ICOM_THIS(CBaseFilterImpl,iface);
30
31 TRACE("(%p)->()\n",This);
32
33 return IUnknown_QueryInterface(This->punkControl,riid,ppobj);
34}
35
36static ULONG WINAPI
37CBaseFilterImpl_fnAddRef(IBaseFilter* iface)
38{
39 ICOM_THIS(CBaseFilterImpl,iface);
40
41 TRACE("(%p)->()\n",This);
42
43 return IUnknown_AddRef(This->punkControl);
44}
45
46static ULONG WINAPI
47CBaseFilterImpl_fnRelease(IBaseFilter* iface)
48{
49 ICOM_THIS(CBaseFilterImpl,iface);
50
51 TRACE("(%p)->()\n",This);
52
53 return IUnknown_Release(This->punkControl);
54}
55
56
57static HRESULT WINAPI
58CBaseFilterImpl_fnGetClassID(IBaseFilter* iface,CLSID* pclsid)
59{
60 ICOM_THIS(CBaseFilterImpl,iface);
61
62 TRACE("(%p)->()\n",This);
63
64 if ( pclsid == NULL )
65 return E_POINTER;
66
67 memcpy( pclsid, This->pclsidFilter, sizeof(CLSID) );
68
69 return NOERROR;
70}
71
72static HRESULT WINAPI
73CBaseFilterImpl_fnStop(IBaseFilter* iface)
74{
75 ICOM_THIS(CBaseFilterImpl,iface);
76 HRESULT hr;
77
78 TRACE("(%p)->()\n",This);
79
80 hr = NOERROR;
81
82 EnterCriticalSection( &This->csFilter );
83
84 if ( This->fstate == State_Running )
85 {
86 if ( This->pHandlers->pOnInactive != NULL )
87 hr = This->pHandlers->pOnInactive( This );
88 }
89
90 if ( SUCCEEDED(hr) )
91 This->fstate = State_Stopped;
92 LeaveCriticalSection( &This->csFilter );
93
94 return hr;
95}
96
97static HRESULT WINAPI
98CBaseFilterImpl_fnPause(IBaseFilter* iface)
99{
100 ICOM_THIS(CBaseFilterImpl,iface);
101 HRESULT hr;
102
103 TRACE("(%p)->()\n",This);
104
105 hr = NOERROR;
106
107 EnterCriticalSection( &This->csFilter );
108
109 if ( This->fstate == State_Running )
110 {
111 if ( This->pHandlers->pOnInactive != NULL )
112 hr = This->pHandlers->pOnInactive( This );
113 }
114
115 if ( SUCCEEDED(hr) )
116 This->fstate = State_Paused;
117
118 LeaveCriticalSection( &This->csFilter );
119
120 TRACE("hr = %08lx\n",hr);
121
122 return hr;
123}
124
125static HRESULT WINAPI
126CBaseFilterImpl_fnRun(IBaseFilter* iface,REFERENCE_TIME rtStart)
127{
128 ICOM_THIS(CBaseFilterImpl,iface);
129 HRESULT hr;
130
131 TRACE("(%p)->()\n",This);
132
133 hr = NOERROR;
134
135 EnterCriticalSection( &This->csFilter );
136
137 This->rtStart = rtStart;
138
139 if ( This->fstate != State_Running )
140 {
141 if ( This->pHandlers->pOnActive != NULL )
142 hr = This->pHandlers->pOnActive( This );
143 }
144
145 if ( SUCCEEDED(hr) )
146 This->fstate = State_Running;
147
148 LeaveCriticalSection( &This->csFilter );
149
150 return hr;
151}
152
153static HRESULT WINAPI
154CBaseFilterImpl_fnGetState(IBaseFilter* iface,DWORD dw,FILTER_STATE* pState)
155{
156 ICOM_THIS(CBaseFilterImpl,iface);
157
158 TRACE("(%p)->(%p)\n",This,pState);
159
160 if ( pState == NULL )
161 return E_POINTER;
162
163 /* FIXME - ignore 'intermediate state' now */
164
165 EnterCriticalSection( &This->csFilter );
166 TRACE("state %d\n",This->fstate);
167 *pState = This->fstate;
168 LeaveCriticalSection( &This->csFilter );
169
170 return NOERROR;
171}
172
173static HRESULT WINAPI
174CBaseFilterImpl_fnSetSyncSource(IBaseFilter* iface,IReferenceClock* pobjClock)
175{
176 ICOM_THIS(CBaseFilterImpl,iface);
177
178 TRACE("(%p)->(%p)\n",This,pobjClock);
179
180 EnterCriticalSection( &This->csFilter );
181
182 if ( This->pClock != NULL )
183 {
184 IReferenceClock_Release( This->pClock );
185 This->pClock = NULL;
186 }
187
188 This->pClock = pobjClock;
189 if ( pobjClock != NULL )
190 IReferenceClock_AddRef( pobjClock );
191
192 LeaveCriticalSection( &This->csFilter );
193
194 return NOERROR;
195}
196
197static HRESULT WINAPI
198CBaseFilterImpl_fnGetSyncSource(IBaseFilter* iface,IReferenceClock** ppobjClock)
199{
200 ICOM_THIS(CBaseFilterImpl,iface);
201 HRESULT hr = VFW_E_NO_CLOCK;
202
203 TRACE("(%p)->(%p)\n",This,ppobjClock);
204
205 if ( ppobjClock == NULL )
206 return E_POINTER;
207
208 EnterCriticalSection( &This->csFilter );
209
210 *ppobjClock = This->pClock;
211 if ( This->pClock != NULL )
212 {
213 hr = NOERROR;
214 IReferenceClock_AddRef( This->pClock );
215 }
216
217 LeaveCriticalSection( &This->csFilter );
218
219 return hr;
220}
221
222
223static HRESULT WINAPI
224CBaseFilterImpl_fnEnumPins(IBaseFilter* iface,IEnumPins** ppenum)
225{
226 ICOM_THIS(CBaseFilterImpl,iface);
227 HRESULT hr = E_FAIL;
228 QUARTZ_CompList* pListPins;
229 QUARTZ_CompListItem* pItem;
230 IUnknown* punkPin;
231
232 TRACE("(%p)->(%p)\n",This,ppenum);
233
234 if ( ppenum == NULL )
235 return E_POINTER;
236 *ppenum = NULL;
237
238 pListPins = QUARTZ_CompList_Alloc();
239 if ( pListPins == NULL )
240 return E_OUTOFMEMORY;
241
242 QUARTZ_CompList_Lock( This->pInPins );
243 QUARTZ_CompList_Lock( This->pOutPins );
244
245 pItem = QUARTZ_CompList_GetFirst( This->pInPins );
246 while ( pItem != NULL )
247 {
248 punkPin = QUARTZ_CompList_GetItemPtr( pItem );
249 hr = QUARTZ_CompList_AddComp( pListPins, punkPin, NULL, 0 );
250 if ( FAILED(hr) )
251 goto err;
252 pItem = QUARTZ_CompList_GetNext( This->pInPins, pItem );
253 }
254
255 pItem = QUARTZ_CompList_GetFirst( This->pOutPins );
256 while ( pItem != NULL )
257 {
258 punkPin = QUARTZ_CompList_GetItemPtr( pItem );
259 hr = QUARTZ_CompList_AddComp( pListPins, punkPin, NULL, 0 );
260 if ( FAILED(hr) )
261 goto err;
262 pItem = QUARTZ_CompList_GetNext( This->pOutPins, pItem );
263 }
264
265 hr = QUARTZ_CreateEnumUnknown(
266 &IID_IEnumPins, (void**)ppenum, pListPins );
267err:
268 QUARTZ_CompList_Unlock( This->pInPins );
269 QUARTZ_CompList_Unlock( This->pOutPins );
270
271 QUARTZ_CompList_Free( pListPins );
272
273 return hr;
274}
275
276static HRESULT WINAPI
277CBaseFilterImpl_fnFindPin(IBaseFilter* iface,LPCWSTR lpwszId,IPin** ppobj)
278{
279 ICOM_THIS(CBaseFilterImpl,iface);
280
281 FIXME("(%p)->(%s,%p) stub!\n",This,debugstr_w(lpwszId),ppobj);
282
283 if ( ppobj == NULL )
284 return E_POINTER;
285
286
287
288 return E_NOTIMPL;
289}
290
291static HRESULT WINAPI
292CBaseFilterImpl_fnQueryFilterInfo(IBaseFilter* iface,FILTER_INFO* pfi)
293{
294 ICOM_THIS(CBaseFilterImpl,iface);
295
296 TRACE("(%p)->(%p)\n",This,pfi);
297
298 if ( pfi == NULL )
299 return E_POINTER;
300
301 EnterCriticalSection( &This->csFilter );
302
303 if ( This->cbNameGraph <= sizeof(WCHAR)*MAX_FILTER_NAME )
304 {
305 memcpy( pfi->achName, This->pwszNameGraph, This->cbNameGraph );
306 }
307 else
308 {
309 memcpy( pfi->achName, This->pwszNameGraph,
310 sizeof(WCHAR)*MAX_FILTER_NAME );
311 pfi->achName[MAX_FILTER_NAME-1] = (WCHAR)0;
312 }
313
314 pfi->pGraph = This->pfg;
315 if ( pfi->pGraph != NULL )
316 IFilterGraph_AddRef(pfi->pGraph);
317
318 LeaveCriticalSection( &This->csFilter );
319
320 return NOERROR;
321}
322
323static HRESULT WINAPI
324CBaseFilterImpl_fnJoinFilterGraph(IBaseFilter* iface,IFilterGraph* pfg,LPCWSTR lpwszName)
325{
326 ICOM_THIS(CBaseFilterImpl,iface);
327 HRESULT hr;
328
329 TRACE("(%p)->(%p,%s)\n",This,pfg,debugstr_w(lpwszName));
330
331 EnterCriticalSection( &This->csFilter );
332
333 if ( This->pwszNameGraph != NULL )
334 {
335 QUARTZ_FreeMem( This->pwszNameGraph );
336 This->pwszNameGraph = NULL;
337 This->cbNameGraph = 0;
338 }
339
340 This->pfg = pfg;
341 This->cbNameGraph = sizeof(WCHAR) * (strlenW(lpwszName)+1);
342 This->pwszNameGraph = (WCHAR*)QUARTZ_AllocMem( This->cbNameGraph );
343 if ( This->pwszNameGraph == NULL )
344 {
345 hr = E_OUTOFMEMORY;
346 goto err;
347 }
348 memcpy( This->pwszNameGraph, lpwszName, This->cbNameGraph );
349
350 hr = NOERROR;
351err:
352 LeaveCriticalSection( &This->csFilter );
353
354 return hr;
355}
356
357static HRESULT WINAPI
358CBaseFilterImpl_fnQueryVendorInfo(IBaseFilter* iface,LPWSTR* lpwszVendor)
359{
360 ICOM_THIS(CBaseFilterImpl,iface);
361
362 TRACE("(%p)->(%p)\n",This,lpwszVendor);
363
364 /* E_NOTIMPL means 'no vender information'. */
365 return E_NOTIMPL;
366}
367
368
369
370static ICOM_VTABLE(IBaseFilter) ibasefilter =
371{
372 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
373 /* IUnknown fields */
374 CBaseFilterImpl_fnQueryInterface,
375 CBaseFilterImpl_fnAddRef,
376 CBaseFilterImpl_fnRelease,
377 /* IPersist fields */
378 CBaseFilterImpl_fnGetClassID,
379 /* IMediaFilter fields */
380 CBaseFilterImpl_fnStop,
381 CBaseFilterImpl_fnPause,
382 CBaseFilterImpl_fnRun,
383 CBaseFilterImpl_fnGetState,
384 CBaseFilterImpl_fnSetSyncSource,
385 CBaseFilterImpl_fnGetSyncSource,
386 /* IBaseFilter fields */
387 CBaseFilterImpl_fnEnumPins,
388 CBaseFilterImpl_fnFindPin,
389 CBaseFilterImpl_fnQueryFilterInfo,
390 CBaseFilterImpl_fnJoinFilterGraph,
391 CBaseFilterImpl_fnQueryVendorInfo,
392};
393
394
395HRESULT CBaseFilterImpl_InitIBaseFilter(
396 CBaseFilterImpl* This, IUnknown* punkControl,
397 const CLSID* pclsidFilter, LPCWSTR lpwszNameGraph,
398 const CBaseFilterHandlers* pHandlers )
399{
400 TRACE("(%p,%p)\n",This,punkControl);
401
402 if ( punkControl == NULL )
403 {
404 ERR( "punkControl must not be NULL\n" );
405 return E_INVALIDARG;
406 }
407
408 ICOM_VTBL(This) = &ibasefilter;
409 This->punkControl = punkControl;
410 This->pHandlers = pHandlers;
411 This->pclsidFilter = pclsidFilter;
412 This->pInPins = NULL;
413 This->pOutPins = NULL;
414 This->pfg = NULL;
415 This->cbNameGraph = 0;
416 This->pwszNameGraph = NULL;
417 This->pClock = NULL;
418 This->rtStart = 0;
419 This->fstate = State_Stopped;
420
421 This->cbNameGraph = sizeof(WCHAR) * (strlenW(lpwszNameGraph)+1);
422 This->pwszNameGraph = (WCHAR*)QUARTZ_AllocMem( This->cbNameGraph );
423 if ( This->pwszNameGraph == NULL )
424 return E_OUTOFMEMORY;
425 memcpy( This->pwszNameGraph, lpwszNameGraph, This->cbNameGraph );
426
427 This->pInPins = QUARTZ_CompList_Alloc();
428 This->pOutPins = QUARTZ_CompList_Alloc();
429 if ( This->pInPins == NULL || This->pOutPins == NULL )
430 {
431 if ( This->pInPins != NULL )
432 QUARTZ_CompList_Free(This->pInPins);
433 if ( This->pOutPins != NULL )
434 QUARTZ_CompList_Free(This->pOutPins);
435 QUARTZ_FreeMem(This->pwszNameGraph);
436 return E_OUTOFMEMORY;
437 }
438
439 InitializeCriticalSection( &This->csFilter );
440
441 return NOERROR;
442}
443
444void CBaseFilterImpl_UninitIBaseFilter( CBaseFilterImpl* This )
445{
446 QUARTZ_CompListItem* pListItem;
447 IPin* pPin;
448
449 TRACE("(%p)\n",This);
450
451 if ( This->pInPins != NULL )
452 {
453 while ( 1 )
454 {
455 pListItem = QUARTZ_CompList_GetFirst( This->pInPins );
456 if ( pListItem == NULL )
457 break;
458 pPin = (IPin*)QUARTZ_CompList_GetItemPtr( pListItem );
459 QUARTZ_CompList_RemoveComp( This->pInPins, (IUnknown*)pPin );
460 }
461
462 QUARTZ_CompList_Free( This->pInPins );
463 This->pInPins = NULL;
464 }
465 if ( This->pOutPins != NULL )
466 {
467 while ( 1 )
468 {
469 pListItem = QUARTZ_CompList_GetFirst( This->pOutPins );
470 if ( pListItem == NULL )
471 break;
472 pPin = (IPin*)QUARTZ_CompList_GetItemPtr( pListItem );
473 QUARTZ_CompList_RemoveComp( This->pOutPins, (IUnknown*)pPin );
474 }
475
476 QUARTZ_CompList_Free( This->pOutPins );
477 This->pOutPins = NULL;
478 }
479
480 if ( This->pwszNameGraph != NULL )
481 {
482 QUARTZ_FreeMem( This->pwszNameGraph );
483 This->pwszNameGraph = NULL;
484 }
485
486 if ( This->pClock != NULL )
487 {
488 IReferenceClock_Release( This->pClock );
489 This->pClock = NULL;
490 }
491
492 DeleteCriticalSection( &This->csFilter );
493}
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