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 HRESULT NullRenderer_Sample(LPVOID iface, IMediaSample * pSample)
  71 {
  72     NullRendererImpl *This = (NullRendererImpl *)iface;
  73     HRESULT hr = S_OK;
  74
  75     TRACE("%p %p\n", iface, pSample);
  76
  77     EnterCriticalSection(&This->csFilter);
  78     if (This->pInputPin->flushing || This->pInputPin->end_of_stream)
  79         hr = S_FALSE;
  80     LeaveCriticalSection(&This->csFilter);
  81
  82     return hr;
  83 }
  84
  85 static HRESULT NullRenderer_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
  86 {
  87     TRACE("Not a stub!\n");
  88     return S_OK;
  89 }
  90
  91 static inline NullRendererImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
  92 {
  93     return (NullRendererImpl *)((char*)iface - FIELD_OFFSET(NullRendererImpl, mediaSeeking.lpVtbl));
  94 }
  95
  96 static HRESULT WINAPI NullRendererImpl_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
  97 {
  98     NullRendererImpl *This = impl_from_IMediaSeeking(iface);
  99
 100     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 101 }
 102
 103 static ULONG WINAPI NullRendererImpl_Seeking_AddRef(IMediaSeeking * iface)
 104 {
 105     NullRendererImpl *This = impl_from_IMediaSeeking(iface);
 106
 107     return IUnknown_AddRef((IUnknown *)This);
 108 }
 109
 110 static ULONG WINAPI NullRendererImpl_Seeking_Release(IMediaSeeking * iface)
 111 {
 112     NullRendererImpl *This = impl_from_IMediaSeeking(iface);
 113
 114     return IUnknown_Release((IUnknown *)This);
 115 }
 116
 117 static const IMediaSeekingVtbl TransformFilter_Seeking_Vtbl =
 118 {
 119     NullRendererImpl_Seeking_QueryInterface,
 120     NullRendererImpl_Seeking_AddRef,
 121     NullRendererImpl_Seeking_Release,
 122     MediaSeekingImpl_GetCapabilities,
 123     MediaSeekingImpl_CheckCapabilities,
 124     MediaSeekingImpl_IsFormatSupported,
 125     MediaSeekingImpl_QueryPreferredFormat,
 126     MediaSeekingImpl_GetTimeFormat,
 127     MediaSeekingImpl_IsUsingTimeFormat,
 128     MediaSeekingImpl_SetTimeFormat,
 129     MediaSeekingImpl_GetDuration,
 130     MediaSeekingImpl_GetStopPosition,
 131     MediaSeekingImpl_GetCurrentPosition,
 132     MediaSeekingImpl_ConvertTimeFormat,
 133     MediaSeekingImpl_SetPositions,
 134     MediaSeekingImpl_GetPositions,
 135     MediaSeekingImpl_GetAvailable,
 136     MediaSeekingImpl_SetRate,
 137     MediaSeekingImpl_GetRate,
 138     MediaSeekingImpl_GetPreroll
 139 };
 140
 141 static HRESULT NullRendererImpl_Change(IBaseFilter *iface)
 142 {
 143     TRACE("(%p)\n", iface);
 144     return S_OK;
 145 }
 146
 147 HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
 148 {
 149     HRESULT hr;
 150     PIN_INFO piInput;
 151     NullRendererImpl * pNullRenderer;
 152
 153     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 154
 155     *ppv = NULL;
 156
 157     pNullRenderer = CoTaskMemAlloc(sizeof(NullRendererImpl));
 158     pNullRenderer->pUnkOuter = pUnkOuter;
 159     pNullRenderer->bUnkOuterValid = FALSE;
 160     pNullRenderer->bAggregatable = FALSE;
 161     pNullRenderer->IInner_vtbl = &IInner_VTable;
 162
 163     pNullRenderer->lpVtbl = &NullRenderer_Vtbl;
 164     pNullRenderer->refCount = 1;
 165     InitializeCriticalSection(&pNullRenderer->csFilter);
 166     pNullRenderer->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": NullRendererImpl.csFilter");
 167     pNullRenderer->state = State_Stopped;
 168     pNullRenderer->pClock = NULL;
 169     ZeroMemory(&pNullRenderer->filterInfo, sizeof(FILTER_INFO));
 170
 171     /* construct input pin */
 172     piInput.dir = PINDIR_INPUT;
 173     piInput.pFilter = (IBaseFilter *)pNullRenderer;
 174     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 175
 176     hr = InputPin_Construct(&NullRenderer_InputPin_Vtbl, &piInput, NullRenderer_Sample, (LPVOID)pNullRenderer, NullRenderer_QueryAccept, NULL, &pNullRenderer->csFilter, NULL, (IPin **)&pNullRenderer->pInputPin);
 177
 178     if (SUCCEEDED(hr))
 179     {
 180         MediaSeekingImpl_Init((IBaseFilter*)pNullRenderer, NullRendererImpl_Change, NullRendererImpl_Change, NullRendererImpl_Change, &pNullRenderer->mediaSeeking, &pNullRenderer->csFilter);
 181         pNullRenderer->mediaSeeking.lpVtbl = &TransformFilter_Seeking_Vtbl;
 182
 183         *ppv = (LPVOID)pNullRenderer;
 184     }
 185     else
 186     {
 187         pNullRenderer->csFilter.DebugInfo->Spare[0] = 0;
 188         DeleteCriticalSection(&pNullRenderer->csFilter);
 189         CoTaskMemFree(pNullRenderer);
 190     }
 191
 192     return hr;
 193 }
 194
 195 static HRESULT WINAPI NullRendererInner_QueryInterface(IUnknown * iface, REFIID riid, LPVOID * ppv)
 196 {
 197     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 198     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 199
 200     if (This->bAggregatable)
 201         This->bUnkOuterValid = TRUE;
 202
 203     *ppv = NULL;
 204
 205     if (IsEqualIID(riid, &IID_IUnknown))
 206         *ppv = (LPVOID)&(This->IInner_vtbl);
 207     else if (IsEqualIID(riid, &IID_IPersist))
 208         *ppv = (LPVOID)This;
 209     else if (IsEqualIID(riid, &IID_IMediaFilter))
 210         *ppv = (LPVOID)This;
 211     else if (IsEqualIID(riid, &IID_IBaseFilter))
 212         *ppv = (LPVOID)This;
 213     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 214         *ppv = &This->mediaSeeking;
 215
 216     if (*ppv)
 217     {
 218         IUnknown_AddRef((IUnknown *)(*ppv));
 219         return S_OK;
 220     }
 221
 222     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 223         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 224
 225     return E_NOINTERFACE;
 226 }
 227
 228 static ULONG WINAPI NullRendererInner_AddRef(IUnknown * iface)
 229 {
 230     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 231     ULONG refCount = InterlockedIncrement(&This->refCount);
 232
 233     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 234
 235     return refCount;
 236 }
 237
 238 static ULONG WINAPI NullRendererInner_Release(IUnknown * iface)
 239 {
 240     ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
 241     ULONG refCount = InterlockedDecrement(&This->refCount);
 242
 243     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 244
 245     if (!refCount)
 246     {
 247         IPin *pConnectedTo;
 248
 249         if (This->pClock)
 250             IReferenceClock_Release(This->pClock);
 251
 252         if (SUCCEEDED(IPin_ConnectedTo((IPin *)This->pInputPin, &pConnectedTo)))
 253         {
 254             IPin_Disconnect(pConnectedTo);
 255             IPin_Release(pConnectedTo);
 256         }
 257         IPin_Disconnect((IPin *)This->pInputPin);
 258         IPin_Release((IPin *)This->pInputPin);
 259
 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         if (This->state == State_Stopped)
 367             This->pInputPin->end_of_stream = 0;
 368         This->state = State_Paused;
 369     }
 370     LeaveCriticalSection(&This->csFilter);
 371
 372     return S_OK;
 373 }
 374
 375 static HRESULT WINAPI NullRenderer_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 376 {
 377     NullRendererImpl *This = (NullRendererImpl *)iface;
 378
 379     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 380
 381     EnterCriticalSection(&This->csFilter);
 382     {
 383         This->rtStreamStart = tStart;
 384         This->state = State_Running;
 385         This->pInputPin->end_of_stream = 0;
 386     }
 387     LeaveCriticalSection(&This->csFilter);
 388
 389     return S_OK;
 390 }
 391
 392 static HRESULT WINAPI NullRenderer_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 393 {
 394     NullRendererImpl *This = (NullRendererImpl *)iface;
 395
 396     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 397
 398     EnterCriticalSection(&This->csFilter);
 399     {
 400         *pState = This->state;
 401     }
 402     LeaveCriticalSection(&This->csFilter);
 403
 404     return S_OK;
 405 }
 406
 407 static HRESULT WINAPI NullRenderer_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 408 {
 409     NullRendererImpl *This = (NullRendererImpl *)iface;
 410
 411     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 412
 413     EnterCriticalSection(&This->csFilter);
 414     {
 415         if (This->pClock)
 416             IReferenceClock_Release(This->pClock);
 417         This->pClock = pClock;
 418         if (This->pClock)
 419             IReferenceClock_AddRef(This->pClock);
 420     }
 421     LeaveCriticalSection(&This->csFilter);
 422
 423     return S_OK;
 424 }
 425
 426 static HRESULT WINAPI NullRenderer_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 427 {
 428     NullRendererImpl *This = (NullRendererImpl *)iface;
 429
 430     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 431
 432     EnterCriticalSection(&This->csFilter);
 433     {
 434         *ppClock = This->pClock;
 435         if (This->pClock)
 436             IReferenceClock_AddRef(This->pClock);
 437     }
 438     LeaveCriticalSection(&This->csFilter);
 439
 440     return S_OK;
 441 }
 442
 443 /** IBaseFilter implementation **/
 444
 445 static HRESULT NullRenderer_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 446 {
 447     NullRendererImpl *This = (NullRendererImpl *)iface;
 448
 449     /* Our pins are static, not changing so setting static tick count is ok */
 450     *lastsynctick = 0;
 451
 452     if (pos >= 1)
 453         return S_FALSE;
 454
 455     *pin = (IPin *)This->pInputPin;
 456     IPin_AddRef(*pin);
 457     return S_OK;
 458 }
 459
 460 static HRESULT WINAPI NullRenderer_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 461 {
 462     NullRendererImpl *This = (NullRendererImpl *)iface;
 463
 464     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 465
 466     return IEnumPinsImpl_Construct(ppEnum, NullRenderer_GetPin, iface);
 467 }
 468
 469 static HRESULT WINAPI NullRenderer_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 470 {
 471     NullRendererImpl *This = (NullRendererImpl *)iface;
 472
 473     TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
 474
 475     FIXME("NullRenderer::FindPin(...)\n");
 476
 477     /* FIXME: critical section */
 478
 479     return E_NOTIMPL;
 480 }
 481
 482 static HRESULT WINAPI NullRenderer_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 483 {
 484     NullRendererImpl *This = (NullRendererImpl *)iface;
 485
 486     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 487
 488     strcpyW(pInfo->achName, This->filterInfo.achName);
 489     pInfo->pGraph = This->filterInfo.pGraph;
 490
 491     if (pInfo->pGraph)
 492         IFilterGraph_AddRef(pInfo->pGraph);
 493
 494     return S_OK;
 495 }
 496
 497 static HRESULT WINAPI NullRenderer_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 498 {
 499     NullRendererImpl *This = (NullRendererImpl *)iface;
 500
 501     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 502
 503     EnterCriticalSection(&This->csFilter);
 504     {
 505         if (pName)
 506             strcpyW(This->filterInfo.achName, pName);
 507         else
 508             *This->filterInfo.achName = '\0';
 509         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 510     }
 511     LeaveCriticalSection(&This->csFilter);
 512
 513     return S_OK;
 514 }
 515
 516 static HRESULT WINAPI NullRenderer_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 517 {
 518     NullRendererImpl *This = (NullRendererImpl *)iface;
 519     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 520     return E_NOTIMPL;
 521 }
 522
 523 static const IBaseFilterVtbl NullRenderer_Vtbl =
 524 {
 525     NullRenderer_QueryInterface,
 526     NullRenderer_AddRef,
 527     NullRenderer_Release,
 528     NullRenderer_GetClassID,
 529     NullRenderer_Stop,
 530     NullRenderer_Pause,
 531     NullRenderer_Run,
 532     NullRenderer_GetState,
 533     NullRenderer_SetSyncSource,
 534     NullRenderer_GetSyncSource,
 535     NullRenderer_EnumPins,
 536     NullRenderer_FindPin,
 537     NullRenderer_QueryFilterInfo,
 538     NullRenderer_JoinFilterGraph,
 539     NullRenderer_QueryVendorInfo
 540 };
 541
 542 static HRESULT WINAPI NullRenderer_InputPin_EndOfStream(IPin * iface)
 543 {
 544     InputPin* This = (InputPin*)iface;
 545     IMediaEventSink* pEventSink;
 546     IFilterGraph *graph;
 547     HRESULT hr = S_OK;
 548
 549     TRACE("(%p/%p)->()\n", This, iface);
 550
 551     InputPin_EndOfStream(iface);
 552     graph = ((NullRendererImpl*)This->pin.pinInfo.pFilter)->filterInfo.pGraph;
 553     if (graph)
 554     {
 555         hr = IFilterGraph_QueryInterface(((NullRendererImpl*)This->pin.pinInfo.pFilter)->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 556         if (SUCCEEDED(hr))
 557         {
 558             hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
 559             IMediaEventSink_Release(pEventSink);
 560         }
 561     }
 562
 563     return hr;
 564 }
 565
 566 static const IPinVtbl NullRenderer_InputPin_Vtbl =
 567 {
 568     InputPin_QueryInterface,
 569     IPinImpl_AddRef,
 570     InputPin_Release,
 571     InputPin_Connect,
 572     InputPin_ReceiveConnection,
 573     IPinImpl_Disconnect,
 574     IPinImpl_ConnectedTo,
 575     IPinImpl_ConnectionMediaType,
 576     IPinImpl_QueryPinInfo,
 577     IPinImpl_QueryDirection,
 578     IPinImpl_QueryId,
 579     IPinImpl_QueryAccept,
 580     IPinImpl_EnumMediaTypes,
 581     IPinImpl_QueryInternalConnections,
 582     NullRenderer_InputPin_EndOfStream,
 583     InputPin_BeginFlush,
 584     InputPin_EndFlush,
 585     InputPin_NewSegment
 586 };