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