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 static const WCHAR wcsAltInputPinName[] = {'I','n',0};
  47
  48 static const IBaseFilterVtbl NullRenderer_Vtbl;
  49 static const IUnknownVtbl IInner_VTable;
  50 static const IPinVtbl NullRenderer_InputPin_Vtbl;
  51
  52 typedef struct NullRendererImpl
  53 {
  54     const IBaseFilterVtbl * lpVtbl;
  55     const IUnknownVtbl * IInner_vtbl;
  56     IUnknown *seekthru_unk;
  57
  58     LONG refCount;
  59     CRITICAL_SECTION csFilter;
  60     FILTER_STATE state;
  61     REFERENCE_TIME rtStreamStart;
  62     IReferenceClock * pClock;
  63     FILTER_INFO filterInfo;
  64
  65     InputPin *pInputPin;
  66     IUnknown * pUnkOuter;
  67     BOOL bUnkOuterValid;
  68     BOOL bAggregatable;
  69 } NullRendererImpl;
  70
  71 static HRESULT NullRenderer_Sample(LPVOID iface, IMediaSample * pSample)
  72 {
  73     NullRendererImpl *This = iface;
  74     HRESULT hr = S_OK;
  75     REFERENCE_TIME start, stop;
  76
  77     TRACE("%p %p\n", iface, pSample);
  78
  79     if (SUCCEEDED(IMediaSample_GetTime(pSample, &start, &stop)))
  80         MediaSeekingPassThru_RegisterMediaTime(This->seekthru_unk, start);
  81     EnterCriticalSection(&This->csFilter);
  82     if (This->pInputPin->flushing || This->pInputPin->end_of_stream)
  83         hr = S_FALSE;
  84     LeaveCriticalSection(&This->csFilter);
  85
  86     return hr;
  87 }
  88
  89 static HRESULT NullRenderer_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
  90 {
  91     TRACE("Not a stub!\n");
  92     return S_OK;
  93 }
  94
  95 HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
  96 {
  97     HRESULT hr;
  98     PIN_INFO piInput;
  99     NullRendererImpl * pNullRenderer;
 100
 101     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 102
 103     *ppv = NULL;
 104
 105     pNullRenderer = CoTaskMemAlloc(sizeof(NullRendererImpl));
 106     pNullRenderer->pUnkOuter = pUnkOuter;
 107     pNullRenderer->bUnkOuterValid = FALSE;
 108     pNullRenderer->bAggregatable = FALSE;
 109     pNullRenderer->IInner_vtbl = &IInner_VTable;
 110
 111     pNullRenderer->lpVtbl = &NullRenderer_Vtbl;
 112     pNullRenderer->refCount = 1;
 113     InitializeCriticalSection(&pNullRenderer->csFilter);
 114     pNullRenderer->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": NullRendererImpl.csFilter");
 115     pNullRenderer->state = State_Stopped;
 116     pNullRenderer->pClock = NULL;
 117     ZeroMemory(&pNullRenderer->filterInfo, sizeof(FILTER_INFO));
 118
 119     /* construct input pin */
 120     piInput.dir = PINDIR_INPUT;
 121     piInput.pFilter = (IBaseFilter *)pNullRenderer;
 122     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 123
 124     hr = InputPin_Construct(&NullRenderer_InputPin_Vtbl, &piInput, NullRenderer_Sample, (LPVOID)pNullRenderer, NullRenderer_QueryAccept, NULL, &pNullRenderer->csFilter, NULL, (IPin **)&pNullRenderer->pInputPin);
 125
 126     if (SUCCEEDED(hr))
 127     {
 128         ISeekingPassThru *passthru;
 129         hr = CoCreateInstance(&CLSID_SeekingPassThru, pUnkOuter ? pUnkOuter : (IUnknown*)&pNullRenderer->IInner_vtbl, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&pNullRenderer->seekthru_unk);
 130         if (FAILED(hr)) {
 131             IUnknown_Release((IUnknown*)pNullRenderer);
 132             return hr;
 133         }
 134         IUnknown_QueryInterface(pNullRenderer->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru);
 135         ISeekingPassThru_Init(passthru, TRUE, (IPin*)pNullRenderer->pInputPin);
 136         ISeekingPassThru_Release(passthru);
 137         *ppv = pNullRenderer;
 138     }
 139     else
 140     {
 141         pNullRenderer->csFilter.DebugInfo->Spare[0] = 0;
 142         DeleteCriticalSection(&pNullRenderer->csFilter);
 143         CoTaskMemFree(pNullRenderer);
 144     }
 145
 146     return hr;
 147 }
 148
 149 static HRESULT WINAPI NullRendererInner_QueryInterface(IUnknown * iface, REFIID riid, LPVOID * ppv)
 150 {
 151     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 152     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 153
 154     if (This->bAggregatable)
 155         This->bUnkOuterValid = TRUE;
 156
 157     *ppv = NULL;
 158
 159     if (IsEqualIID(riid, &IID_IUnknown))
 160         *ppv = &This->IInner_vtbl;
 161     else if (IsEqualIID(riid, &IID_IPersist))
 162         *ppv = This;
 163     else if (IsEqualIID(riid, &IID_IMediaFilter))
 164         *ppv = This;
 165     else if (IsEqualIID(riid, &IID_IBaseFilter))
 166         *ppv = This;
 167     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 168         return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
 169
 170     if (*ppv)
 171     {
 172         IUnknown_AddRef((IUnknown *)(*ppv));
 173         return S_OK;
 174     }
 175
 176     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 177         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 178
 179     return E_NOINTERFACE;
 180 }
 181
 182 static ULONG WINAPI NullRendererInner_AddRef(IUnknown * iface)
 183 {
 184     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 185     ULONG refCount = InterlockedIncrement(&This->refCount);
 186
 187     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 188
 189     return refCount;
 190 }
 191
 192 static ULONG WINAPI NullRendererInner_Release(IUnknown * iface)
 193 {
 194     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 195     ULONG refCount = InterlockedDecrement(&This->refCount);
 196
 197     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 198
 199     if (!refCount)
 200     {
 201         IPin *pConnectedTo;
 202
 203         if (This->pClock)
 204             IReferenceClock_Release(This->pClock);
 205
 206         if (SUCCEEDED(IPin_ConnectedTo((IPin *)This->pInputPin, &pConnectedTo)))
 207         {
 208             IPin_Disconnect(pConnectedTo);
 209             IPin_Release(pConnectedTo);
 210         }
 211         IPin_Disconnect((IPin *)This->pInputPin);
 212         IPin_Release((IPin *)This->pInputPin);
 213
 214         This->lpVtbl = NULL;
 215         if (This->seekthru_unk)
 216             IUnknown_Release(This->seekthru_unk);
 217
 218         This->csFilter.DebugInfo->Spare[0] = 0;
 219         DeleteCriticalSection(&This->csFilter);
 220
 221         TRACE("Destroying Null Renderer\n");
 222         CoTaskMemFree(This);
 223         return 0;
 224     }
 225     else
 226         return refCount;
 227 }
 228
 229 static const IUnknownVtbl IInner_VTable =
 230 {
 231     NullRendererInner_QueryInterface,
 232     NullRendererInner_AddRef,
 233     NullRendererInner_Release
 234 };
 235
 236 static HRESULT WINAPI NullRenderer_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 237 {
 238     NullRendererImpl *This = (NullRendererImpl *)iface;
 239
 240     if (This->bAggregatable)
 241         This->bUnkOuterValid = TRUE;
 242
 243     if (This->pUnkOuter)
 244     {
 245         if (This->bAggregatable)
 246             return IUnknown_QueryInterface(This->pUnkOuter, riid, ppv);
 247
 248         if (IsEqualIID(riid, &IID_IUnknown))
 249         {
 250             HRESULT hr;
 251
 252             IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
 253             hr = IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
 254             IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
 255             This->bAggregatable = TRUE;
 256             return hr;
 257         }
 258
 259         *ppv = NULL;
 260         return E_NOINTERFACE;
 261     }
 262
 263     return IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
 264 }
 265
 266 static ULONG WINAPI NullRenderer_AddRef(IBaseFilter * iface)
 267 {
 268     NullRendererImpl *This = (NullRendererImpl *)iface;
 269
 270     if (This->pUnkOuter && This->bUnkOuterValid)
 271         return IUnknown_AddRef(This->pUnkOuter);
 272     return IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
 273 }
 274
 275 static ULONG WINAPI NullRenderer_Release(IBaseFilter * iface)
 276 {
 277     NullRendererImpl *This = (NullRendererImpl *)iface;
 278
 279     if (This->pUnkOuter && This->bUnkOuterValid)
 280         return IUnknown_Release(This->pUnkOuter);
 281     return IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
 282 }
 283
 284 /** IPersist methods **/
 285
 286 static HRESULT WINAPI NullRenderer_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 287 {
 288     NullRendererImpl *This = (NullRendererImpl *)iface;
 289
 290     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 291
 292     *pClsid = CLSID_NullRenderer;
 293
 294     return S_OK;
 295 }
 296
 297 /** IMediaFilter methods **/
 298
 299 static HRESULT WINAPI NullRenderer_Stop(IBaseFilter * iface)
 300 {
 301     NullRendererImpl *This = (NullRendererImpl *)iface;
 302
 303     TRACE("(%p/%p)->()\n", This, iface);
 304
 305     EnterCriticalSection(&This->csFilter);
 306     {
 307         This->state = State_Stopped;
 308         MediaSeekingPassThru_ResetMediaTime(This->seekthru_unk);
 309     }
 310     LeaveCriticalSection(&This->csFilter);
 311
 312     return S_OK;
 313 }
 314
 315 static HRESULT WINAPI NullRenderer_Pause(IBaseFilter * iface)
 316 {
 317     NullRendererImpl *This = (NullRendererImpl *)iface;
 318
 319     TRACE("(%p/%p)->()\n", This, iface);
 320
 321     EnterCriticalSection(&This->csFilter);
 322     {
 323         if (This->state == State_Stopped)
 324             This->pInputPin->end_of_stream = 0;
 325         This->state = State_Paused;
 326     }
 327     LeaveCriticalSection(&This->csFilter);
 328
 329     return S_OK;
 330 }
 331
 332 static HRESULT WINAPI NullRenderer_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 333 {
 334     NullRendererImpl *This = (NullRendererImpl *)iface;
 335
 336     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 337
 338     EnterCriticalSection(&This->csFilter);
 339     {
 340         This->rtStreamStart = tStart;
 341         This->state = State_Running;
 342         This->pInputPin->end_of_stream = 0;
 343     }
 344     LeaveCriticalSection(&This->csFilter);
 345
 346     return S_OK;
 347 }
 348
 349 static HRESULT WINAPI NullRenderer_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 350 {
 351     NullRendererImpl *This = (NullRendererImpl *)iface;
 352
 353     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 354
 355     EnterCriticalSection(&This->csFilter);
 356     {
 357         *pState = This->state;
 358     }
 359     LeaveCriticalSection(&This->csFilter);
 360
 361     return S_OK;
 362 }
 363
 364 static HRESULT WINAPI NullRenderer_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 365 {
 366     NullRendererImpl *This = (NullRendererImpl *)iface;
 367
 368     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 369
 370     EnterCriticalSection(&This->csFilter);
 371     {
 372         if (This->pClock)
 373             IReferenceClock_Release(This->pClock);
 374         This->pClock = pClock;
 375         if (This->pClock)
 376             IReferenceClock_AddRef(This->pClock);
 377     }
 378     LeaveCriticalSection(&This->csFilter);
 379
 380     return S_OK;
 381 }
 382
 383 static HRESULT WINAPI NullRenderer_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 384 {
 385     NullRendererImpl *This = (NullRendererImpl *)iface;
 386
 387     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 388
 389     EnterCriticalSection(&This->csFilter);
 390     {
 391         *ppClock = This->pClock;
 392         if (This->pClock)
 393             IReferenceClock_AddRef(This->pClock);
 394     }
 395     LeaveCriticalSection(&This->csFilter);
 396
 397     return S_OK;
 398 }
 399
 400 /** IBaseFilter implementation **/
 401
 402 static HRESULT NullRenderer_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 403 {
 404     NullRendererImpl *This = (NullRendererImpl *)iface;
 405
 406     /* Our pins are static, not changing so setting static tick count is ok */
 407     *lastsynctick = 0;
 408
 409     if (pos >= 1)
 410         return S_FALSE;
 411
 412     *pin = (IPin *)This->pInputPin;
 413     IPin_AddRef(*pin);
 414     return S_OK;
 415 }
 416
 417 static HRESULT WINAPI NullRenderer_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 418 {
 419     NullRendererImpl *This = (NullRendererImpl *)iface;
 420
 421     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 422
 423     return IEnumPinsImpl_Construct(ppEnum, NullRenderer_GetPin, iface);
 424 }
 425
 426 static HRESULT WINAPI NullRenderer_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 427 {
 428     NullRendererImpl *This = (NullRendererImpl *)iface;
 429
 430     TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
 431
 432     if (!Id || !ppPin)
 433         return E_POINTER;
 434
 435     if (!lstrcmpiW(Id,wcsInputPinName) || !lstrcmpiW(Id,wcsAltInputPinName))
 436     {
 437         *ppPin = (IPin *)This->pInputPin;
 438         IPin_AddRef(*ppPin);
 439         return S_OK;
 440     }
 441     *ppPin = NULL;
 442     return VFW_E_NOT_FOUND;
 443 }
 444
 445 static HRESULT WINAPI NullRenderer_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 446 {
 447     NullRendererImpl *This = (NullRendererImpl *)iface;
 448
 449     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 450
 451     strcpyW(pInfo->achName, This->filterInfo.achName);
 452     pInfo->pGraph = This->filterInfo.pGraph;
 453
 454     if (pInfo->pGraph)
 455         IFilterGraph_AddRef(pInfo->pGraph);
 456
 457     return S_OK;
 458 }
 459
 460 static HRESULT WINAPI NullRenderer_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 461 {
 462     NullRendererImpl *This = (NullRendererImpl *)iface;
 463
 464     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 465
 466     EnterCriticalSection(&This->csFilter);
 467     {
 468         if (pName)
 469             strcpyW(This->filterInfo.achName, pName);
 470         else
 471             *This->filterInfo.achName = '\0';
 472         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 473     }
 474     LeaveCriticalSection(&This->csFilter);
 475
 476     return S_OK;
 477 }
 478
 479 static HRESULT WINAPI NullRenderer_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 480 {
 481     NullRendererImpl *This = (NullRendererImpl *)iface;
 482     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 483     return E_NOTIMPL;
 484 }
 485
 486 static const IBaseFilterVtbl NullRenderer_Vtbl =
 487 {
 488     NullRenderer_QueryInterface,
 489     NullRenderer_AddRef,
 490     NullRenderer_Release,
 491     NullRenderer_GetClassID,
 492     NullRenderer_Stop,
 493     NullRenderer_Pause,
 494     NullRenderer_Run,
 495     NullRenderer_GetState,
 496     NullRenderer_SetSyncSource,
 497     NullRenderer_GetSyncSource,
 498     NullRenderer_EnumPins,
 499     NullRenderer_FindPin,
 500     NullRenderer_QueryFilterInfo,
 501     NullRenderer_JoinFilterGraph,
 502     NullRenderer_QueryVendorInfo
 503 };
 504
 505 static HRESULT WINAPI NullRenderer_InputPin_EndOfStream(IPin * iface)
 506 {
 507     InputPin* This = (InputPin*)iface;
 508     IMediaEventSink* pEventSink;
 509     NullRendererImpl *pNull;
 510     IFilterGraph *graph;
 511     HRESULT hr = S_OK;
 512
 513     TRACE("(%p/%p)->()\n", This, iface);
 514
 515     InputPin_EndOfStream(iface);
 516     pNull = (NullRendererImpl*)This->pin.pinInfo.pFilter;
 517     graph = pNull->filterInfo.pGraph;
 518     if (graph)
 519     {
 520         hr = IFilterGraph_QueryInterface(((NullRendererImpl*)This->pin.pinInfo.pFilter)->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 521         if (SUCCEEDED(hr))
 522         {
 523             hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
 524             IMediaEventSink_Release(pEventSink);
 525         }
 526     }
 527     MediaSeekingPassThru_EOS(pNull->seekthru_unk);
 528
 529     return hr;
 530 }
 531
 532 static HRESULT WINAPI NullRenderer_InputPin_EndFlush(IPin * iface)
 533 {
 534     InputPin* This = (InputPin*)iface;
 535     NullRendererImpl *pNull;
 536     HRESULT hr = S_OK;
 537
 538     TRACE("(%p/%p)->()\n", This, iface);
 539
 540     hr = InputPin_EndOfStream(iface);
 541     pNull = (NullRendererImpl*)This->pin.pinInfo.pFilter;
 542     MediaSeekingPassThru_ResetMediaTime(pNull->seekthru_unk);
 543     return hr;
 544 }
 545
 546 static const IPinVtbl NullRenderer_InputPin_Vtbl =
 547 {
 548     InputPin_QueryInterface,
 549     IPinImpl_AddRef,
 550     InputPin_Release,
 551     InputPin_Connect,
 552     InputPin_ReceiveConnection,
 553     IPinImpl_Disconnect,
 554     IPinImpl_ConnectedTo,
 555     IPinImpl_ConnectionMediaType,
 556     IPinImpl_QueryPinInfo,
 557     IPinImpl_QueryDirection,
 558     IPinImpl_QueryId,
 559     IPinImpl_QueryAccept,
 560     IPinImpl_EnumMediaTypes,
 561     IPinImpl_QueryInternalConnections,
 562     NullRenderer_InputPin_EndOfStream,
 563     InputPin_BeginFlush,
 564     NullRenderer_InputPin_EndFlush,
 565     InputPin_NewSegment
 566 };