dlls/quartz/nullrenderer.c

   1 /*
   2  * Null Renderer (Promiscuous, not rendering anything at all!)
   3  *
   4  * Copyright 2004 Christian Costa
   5  * Copyright 2008 Maarten Lankhorst
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "quartz_private.h"
  27 #include "control_private.h"
  28 #include "pin.h"
  29
  30 #include "uuids.h"
  31 #include "vfwmsgs.h"
  32 #include "amvideo.h"
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "dshow.h"
  36 #include "evcode.h"
  37 #include "strmif.h"
  38 #include "ddraw.h"
  39
  40 #include "wine/unicode.h"
  41 #include "wine/debug.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  44
  45 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  46
  47 static const IBaseFilterVtbl NullRenderer_Vtbl;
  48 static const IUnknownVtbl IInner_VTable;
  49 static const IPinVtbl NullRenderer_InputPin_Vtbl;
  50
  51 typedef struct NullRendererImpl
  52 {
  53     const IBaseFilterVtbl * lpVtbl;
  54     const IUnknownVtbl * IInner_vtbl;
  55
  56     LONG refCount;
  57     CRITICAL_SECTION csFilter;
  58     FILTER_STATE state;
  59     REFERENCE_TIME rtStreamStart;
  60     IReferenceClock * pClock;
  61     FILTER_INFO filterInfo;
  62
  63     InputPin *pInputPin;
  64     IUnknown * pUnkOuter;
  65     BOOL bUnkOuterValid;
  66     BOOL bAggregatable;
  67     MediaSeekingImpl mediaSeeking;
  68 } NullRendererImpl;
  69
  70 static const IMemInputPinVtbl MemInputPin_Vtbl =
  71 {
  72     MemInputPin_QueryInterface,
  73     MemInputPin_AddRef,
  74     MemInputPin_Release,
  75     MemInputPin_GetAllocator,
  76     MemInputPin_NotifyAllocator,
  77     MemInputPin_GetAllocatorRequirements,
  78     MemInputPin_Receive,
  79     MemInputPin_ReceiveMultiple,
  80     MemInputPin_ReceiveCanBlock
  81 };
  82
  83 static HRESULT NullRenderer_Sample(LPVOID iface, IMediaSample * pSample)
  84 {
  85     NullRendererImpl *This = (NullRendererImpl *)iface;
  86     HRESULT hr = S_OK;
  87
  88     TRACE("%p %p\n", iface, pSample);
  89
  90     EnterCriticalSection(&This->csFilter);
  91     if (This->pInputPin->flushing || This->pInputPin->end_of_stream)
  92         hr = S_FALSE;
  93     LeaveCriticalSection(&This->csFilter);
  94
  95     return hr;
  96 }
  97
  98 static HRESULT NullRenderer_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
  99 {
 100     TRACE("Not a stub!\n");
 101     return S_OK;
 102 }
 103
 104 static inline NullRendererImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
 105 {
 106     return (NullRendererImpl *)((char*)iface - FIELD_OFFSET(NullRendererImpl, mediaSeeking.lpVtbl));
 107 }
 108
 109 static HRESULT WINAPI NullRendererImpl_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
 110 {
 111     NullRendererImpl *This = impl_from_IMediaSeeking(iface);
 112
 113     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 114 }
 115
 116 static ULONG WINAPI NullRendererImpl_Seeking_AddRef(IMediaSeeking * iface)
 117 {
 118     NullRendererImpl *This = impl_from_IMediaSeeking(iface);
 119
 120     return IUnknown_AddRef((IUnknown *)This);
 121 }
 122
 123 static ULONG WINAPI NullRendererImpl_Seeking_Release(IMediaSeeking * iface)
 124 {
 125     NullRendererImpl *This = impl_from_IMediaSeeking(iface);
 126
 127     return IUnknown_Release((IUnknown *)This);
 128 }
 129
 130 static const IMediaSeekingVtbl TransformFilter_Seeking_Vtbl =
 131 {
 132     NullRendererImpl_Seeking_QueryInterface,
 133     NullRendererImpl_Seeking_AddRef,
 134     NullRendererImpl_Seeking_Release,
 135     MediaSeekingImpl_GetCapabilities,
 136     MediaSeekingImpl_CheckCapabilities,
 137     MediaSeekingImpl_IsFormatSupported,
 138     MediaSeekingImpl_QueryPreferredFormat,
 139     MediaSeekingImpl_GetTimeFormat,
 140     MediaSeekingImpl_IsUsingTimeFormat,
 141     MediaSeekingImpl_SetTimeFormat,
 142     MediaSeekingImpl_GetDuration,
 143     MediaSeekingImpl_GetStopPosition,
 144     MediaSeekingImpl_GetCurrentPosition,
 145     MediaSeekingImpl_ConvertTimeFormat,
 146     MediaSeekingImpl_SetPositions,
 147     MediaSeekingImpl_GetPositions,
 148     MediaSeekingImpl_GetAvailable,
 149     MediaSeekingImpl_SetRate,
 150     MediaSeekingImpl_GetRate,
 151     MediaSeekingImpl_GetPreroll
 152 };
 153
 154 static HRESULT NullRendererImpl_Change(IBaseFilter *iface)
 155 {
 156     TRACE("(%p)\n", iface);
 157     return S_OK;
 158 }
 159
 160 HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
 161 {
 162     HRESULT hr;
 163     PIN_INFO piInput;
 164     NullRendererImpl * pNullRenderer;
 165
 166     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 167
 168     *ppv = NULL;
 169
 170     pNullRenderer = CoTaskMemAlloc(sizeof(NullRendererImpl));
 171     pNullRenderer->pUnkOuter = pUnkOuter;
 172     pNullRenderer->bUnkOuterValid = FALSE;
 173     pNullRenderer->bAggregatable = FALSE;
 174     pNullRenderer->IInner_vtbl = &IInner_VTable;
 175
 176     pNullRenderer->lpVtbl = &NullRenderer_Vtbl;
 177     pNullRenderer->refCount = 1;
 178     InitializeCriticalSection(&pNullRenderer->csFilter);
 179     pNullRenderer->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": NullRendererImpl.csFilter");
 180     pNullRenderer->state = State_Stopped;
 181     pNullRenderer->pClock = NULL;
 182     ZeroMemory(&pNullRenderer->filterInfo, sizeof(FILTER_INFO));
 183
 184     /* construct input pin */
 185     piInput.dir = PINDIR_INPUT;
 186     piInput.pFilter = (IBaseFilter *)pNullRenderer;
 187     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 188
 189     hr = InputPin_Construct(&NullRenderer_InputPin_Vtbl, &piInput, NullRenderer_Sample, (LPVOID)pNullRenderer, NullRenderer_QueryAccept, NULL, &pNullRenderer->csFilter, NULL, (IPin **)&pNullRenderer->pInputPin);
 190
 191     if (SUCCEEDED(hr))
 192     {
 193         MediaSeekingImpl_Init((IBaseFilter*)pNullRenderer, NullRendererImpl_Change, NullRendererImpl_Change, NullRendererImpl_Change, &pNullRenderer->mediaSeeking, &pNullRenderer->csFilter);
 194         pNullRenderer->mediaSeeking.lpVtbl = &TransformFilter_Seeking_Vtbl;
 195
 196         *ppv = (LPVOID)pNullRenderer;
 197     }
 198     else
 199     {
 200         pNullRenderer->csFilter.DebugInfo->Spare[0] = 0;
 201         DeleteCriticalSection(&pNullRenderer->csFilter);
 202         CoTaskMemFree(pNullRenderer);
 203     }
 204
 205     return hr;
 206 }
 207
 208 static HRESULT WINAPI NullRendererInner_QueryInterface(IUnknown * iface, REFIID riid, LPVOID * ppv)
 209 {
 210     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 211     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 212
 213     if (This->bAggregatable)
 214         This->bUnkOuterValid = TRUE;
 215
 216     *ppv = NULL;
 217
 218     if (IsEqualIID(riid, &IID_IUnknown))
 219         *ppv = (LPVOID)&(This->IInner_vtbl);
 220     else if (IsEqualIID(riid, &IID_IPersist))
 221         *ppv = (LPVOID)This;
 222     else if (IsEqualIID(riid, &IID_IMediaFilter))
 223         *ppv = (LPVOID)This;
 224     else if (IsEqualIID(riid, &IID_IBaseFilter))
 225         *ppv = (LPVOID)This;
 226     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 227         *ppv = &This->mediaSeeking;
 228
 229     if (*ppv)
 230     {
 231         IUnknown_AddRef((IUnknown *)(*ppv));
 232         return S_OK;
 233     }
 234
 235     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 236         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 237
 238     return E_NOINTERFACE;
 239 }
 240
 241 static ULONG WINAPI NullRendererInner_AddRef(IUnknown * iface)
 242 {
 243     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 244     ULONG refCount = InterlockedIncrement(&This->refCount);
 245
 246     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 247
 248     return refCount;
 249 }
 250
 251 static ULONG WINAPI NullRendererInner_Release(IUnknown * iface)
 252 {
 253     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 254     ULONG refCount = InterlockedDecrement(&This->refCount);
 255
 256     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 257
 258     if (!refCount)
 259     {
 260         IPin *pConnectedTo;
 261
 262         if (This->pClock)
 263             IReferenceClock_Release(This->pClock);
 264
 265         if (SUCCEEDED(IPin_ConnectedTo((IPin *)This->pInputPin, &pConnectedTo)))
 266         {
 267             IPin_Disconnect(pConnectedTo);
 268             IPin_Release(pConnectedTo);
 269         }
 270         IPin_Disconnect((IPin *)This->pInputPin);
 271         IPin_Release((IPin *)This->pInputPin);
 272
 273         This->lpVtbl = NULL;
 274
 275         This->csFilter.DebugInfo->Spare[0] = 0;
 276         DeleteCriticalSection(&This->csFilter);
 277
 278         TRACE("Destroying Null Renderer\n");
 279         CoTaskMemFree(This);
 280         return 0;
 281     }
 282     else
 283         return refCount;
 284 }
 285
 286 static const IUnknownVtbl IInner_VTable =
 287 {
 288     NullRendererInner_QueryInterface,
 289     NullRendererInner_AddRef,
 290     NullRendererInner_Release
 291 };
 292
 293 static HRESULT WINAPI NullRenderer_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 294 {
 295     NullRendererImpl *This = (NullRendererImpl *)iface;
 296
 297     if (This->bAggregatable)
 298         This->bUnkOuterValid = TRUE;
 299
 300     if (This->pUnkOuter)
 301     {
 302         if (This->bAggregatable)
 303             return IUnknown_QueryInterface(This->pUnkOuter, riid, ppv);
 304
 305         if (IsEqualIID(riid, &IID_IUnknown))
 306         {
 307             HRESULT hr;
 308
 309             IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
 310             hr = IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
 311             IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
 312             This->bAggregatable = TRUE;
 313             return hr;
 314         }
 315
 316         *ppv = NULL;
 317         return E_NOINTERFACE;
 318     }
 319
 320     return IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
 321 }
 322
 323 static ULONG WINAPI NullRenderer_AddRef(IBaseFilter * iface)
 324 {
 325     NullRendererImpl *This = (NullRendererImpl *)iface;
 326
 327     if (This->pUnkOuter && This->bUnkOuterValid)
 328         return IUnknown_AddRef(This->pUnkOuter);
 329     return IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
 330 }
 331
 332 static ULONG WINAPI NullRenderer_Release(IBaseFilter * iface)
 333 {
 334     NullRendererImpl *This = (NullRendererImpl *)iface;
 335
 336     if (This->pUnkOuter && This->bUnkOuterValid)
 337         return IUnknown_Release(This->pUnkOuter);
 338     return IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
 339 }
 340
 341 /** IPersist methods **/
 342
 343 static HRESULT WINAPI NullRenderer_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 344 {
 345     NullRendererImpl *This = (NullRendererImpl *)iface;
 346
 347     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 348
 349     *pClsid = CLSID_NullRenderer;
 350
 351     return S_OK;
 352 }
 353
 354 /** IMediaFilter methods **/
 355
 356 static HRESULT WINAPI NullRenderer_Stop(IBaseFilter * iface)
 357 {
 358     NullRendererImpl *This = (NullRendererImpl *)iface;
 359
 360     TRACE("(%p/%p)->()\n", This, iface);
 361
 362     EnterCriticalSection(&This->csFilter);
 363     {
 364         This->state = State_Stopped;
 365     }
 366     LeaveCriticalSection(&This->csFilter);
 367
 368     return S_OK;
 369 }
 370
 371 static HRESULT WINAPI NullRenderer_Pause(IBaseFilter * iface)
 372 {
 373     NullRendererImpl *This = (NullRendererImpl *)iface;
 374
 375     TRACE("(%p/%p)->()\n", This, iface);
 376
 377     EnterCriticalSection(&This->csFilter);
 378     {
 379         if (This->state == State_Stopped)
 380             This->pInputPin->end_of_stream = 0;
 381         This->state = State_Paused;
 382     }
 383     LeaveCriticalSection(&This->csFilter);
 384
 385     return S_OK;
 386 }
 387
 388 static HRESULT WINAPI NullRenderer_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 389 {
 390     NullRendererImpl *This = (NullRendererImpl *)iface;
 391
 392     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 393
 394     EnterCriticalSection(&This->csFilter);
 395     {
 396         This->rtStreamStart = tStart;
 397         This->state = State_Running;
 398         This->pInputPin->end_of_stream = 0;
 399     }
 400     LeaveCriticalSection(&This->csFilter);
 401
 402     return S_OK;
 403 }
 404
 405 static HRESULT WINAPI NullRenderer_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 406 {
 407     NullRendererImpl *This = (NullRendererImpl *)iface;
 408
 409     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 410
 411     EnterCriticalSection(&This->csFilter);
 412     {
 413         *pState = This->state;
 414     }
 415     LeaveCriticalSection(&This->csFilter);
 416
 417     return S_OK;
 418 }
 419
 420 static HRESULT WINAPI NullRenderer_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 421 {
 422     NullRendererImpl *This = (NullRendererImpl *)iface;
 423
 424     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 425
 426     EnterCriticalSection(&This->csFilter);
 427     {
 428         if (This->pClock)
 429             IReferenceClock_Release(This->pClock);
 430         This->pClock = pClock;
 431         if (This->pClock)
 432             IReferenceClock_AddRef(This->pClock);
 433     }
 434     LeaveCriticalSection(&This->csFilter);
 435
 436     return S_OK;
 437 }
 438
 439 static HRESULT WINAPI NullRenderer_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 440 {
 441     NullRendererImpl *This = (NullRendererImpl *)iface;
 442
 443     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 444
 445     EnterCriticalSection(&This->csFilter);
 446     {
 447         *ppClock = This->pClock;
 448         if (This->pClock)
 449             IReferenceClock_AddRef(This->pClock);
 450     }
 451     LeaveCriticalSection(&This->csFilter);
 452
 453     return S_OK;
 454 }
 455
 456 /** IBaseFilter implementation **/
 457
 458 static HRESULT NullRenderer_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 459 {
 460     NullRendererImpl *This = (NullRendererImpl *)iface;
 461
 462     /* Our pins are static, not changing so setting static tick count is ok */
 463     *lastsynctick = 0;
 464
 465     if (pos >= 1)
 466         return S_FALSE;
 467
 468     *pin = (IPin *)This->pInputPin;
 469     IPin_AddRef(*pin);
 470     return S_OK;
 471 }
 472
 473 static HRESULT WINAPI NullRenderer_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 474 {
 475     NullRendererImpl *This = (NullRendererImpl *)iface;
 476
 477     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 478
 479     return IEnumPinsImpl_Construct(ppEnum, NullRenderer_GetPin, iface);
 480 }
 481
 482 static HRESULT WINAPI NullRenderer_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 483 {
 484     NullRendererImpl *This = (NullRendererImpl *)iface;
 485
 486     TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
 487
 488     FIXME("NullRenderer::FindPin(...)\n");
 489
 490     /* FIXME: critical section */
 491
 492     return E_NOTIMPL;
 493 }
 494
 495 static HRESULT WINAPI NullRenderer_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 496 {
 497     NullRendererImpl *This = (NullRendererImpl *)iface;
 498
 499     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 500
 501     strcpyW(pInfo->achName, This->filterInfo.achName);
 502     pInfo->pGraph = This->filterInfo.pGraph;
 503
 504     if (pInfo->pGraph)
 505         IFilterGraph_AddRef(pInfo->pGraph);
 506
 507     return S_OK;
 508 }
 509
 510 static HRESULT WINAPI NullRenderer_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 511 {
 512     NullRendererImpl *This = (NullRendererImpl *)iface;
 513
 514     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 515
 516     EnterCriticalSection(&This->csFilter);
 517     {
 518         if (pName)
 519             strcpyW(This->filterInfo.achName, pName);
 520         else
 521             *This->filterInfo.achName = '\0';
 522         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 523     }
 524     LeaveCriticalSection(&This->csFilter);
 525
 526     return S_OK;
 527 }
 528
 529 static HRESULT WINAPI NullRenderer_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 530 {
 531     NullRendererImpl *This = (NullRendererImpl *)iface;
 532     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 533     return E_NOTIMPL;
 534 }
 535
 536 static const IBaseFilterVtbl NullRenderer_Vtbl =
 537 {
 538     NullRenderer_QueryInterface,
 539     NullRenderer_AddRef,
 540     NullRenderer_Release,
 541     NullRenderer_GetClassID,
 542     NullRenderer_Stop,
 543     NullRenderer_Pause,
 544     NullRenderer_Run,
 545     NullRenderer_GetState,
 546     NullRenderer_SetSyncSource,
 547     NullRenderer_GetSyncSource,
 548     NullRenderer_EnumPins,
 549     NullRenderer_FindPin,
 550     NullRenderer_QueryFilterInfo,
 551     NullRenderer_JoinFilterGraph,
 552     NullRenderer_QueryVendorInfo
 553 };
 554
 555 static HRESULT WINAPI NullRenderer_InputPin_EndOfStream(IPin * iface)
 556 {
 557     InputPin* This = (InputPin*)iface;
 558     IMediaEventSink* pEventSink;
 559     IFilterGraph *graph;
 560     HRESULT hr = S_OK;
 561
 562     TRACE("(%p/%p)->()\n", This, iface);
 563
 564     InputPin_EndOfStream(iface);
 565     graph = ((NullRendererImpl*)This->pin.pinInfo.pFilter)->filterInfo.pGraph;
 566     if (graph)
 567     {
 568         hr = IFilterGraph_QueryInterface(((NullRendererImpl*)This->pin.pinInfo.pFilter)->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 569         if (SUCCEEDED(hr))
 570         {
 571             hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
 572             IMediaEventSink_Release(pEventSink);
 573         }
 574     }
 575
 576     return hr;
 577 }
 578
 579 static const IPinVtbl NullRenderer_InputPin_Vtbl =
 580 {
 581     InputPin_QueryInterface,
 582     IPinImpl_AddRef,
 583     InputPin_Release,
 584     InputPin_Connect,
 585     InputPin_ReceiveConnection,
 586     IPinImpl_Disconnect,
 587     IPinImpl_ConnectedTo,
 588     IPinImpl_ConnectionMediaType,
 589     IPinImpl_QueryPinInfo,
 590     IPinImpl_QueryDirection,
 591     IPinImpl_QueryId,
 592     IPinImpl_QueryAccept,
 593     IPinImpl_EnumMediaTypes,
 594     IPinImpl_QueryInternalConnections,
 595     NullRenderer_InputPin_EndOfStream,
 596     InputPin_BeginFlush,
 597     InputPin_EndFlush,
 598     InputPin_NewSegment
 599 };