dlls/qcap/vfwcapture.c

   1 /* Video For Windows Steering structure
   2  *
   3  * Copyright 2005 Maarten Lankhorst
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  *
  19  */
  20
  21 #include "qcap_private.h"
  22 #include "winternl.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(qcap);
  25
  26 static const struct video_capture_funcs *capture_funcs;
  27
  28 struct vfw_capture
  29 {
  30     struct strmbase_filter filter;
  31     IAMStreamConfig IAMStreamConfig_iface;
  32     IAMVideoControl IAMVideoControl_iface;
  33     IAMVideoProcAmp IAMVideoProcAmp_iface;
  34     IAMFilterMiscFlags IAMFilterMiscFlags_iface;
  35     IPersistPropertyBag IPersistPropertyBag_iface;
  36     BOOL init;
  37
  38     struct strmbase_source source;
  39     IKsPropertySet IKsPropertySet_iface;
  40
  41     struct video_capture_device *device;
  42
  43     /* FIXME: It would be nice to avoid duplicating this variable with strmbase.
  44      * However, synchronization is tricky; we need access to be protected by a
  45      * separate lock. */
  46     FILTER_STATE state;
  47     CONDITION_VARIABLE state_cv;
  48     CRITICAL_SECTION state_cs;
  49
  50     HANDLE thread;
  51 };
  52
  53 static inline struct vfw_capture *impl_from_strmbase_filter(struct strmbase_filter *iface)
  54 {
  55     return CONTAINING_RECORD(iface, struct vfw_capture, filter);
  56 }
  57
  58 static inline struct vfw_capture *impl_from_IAMStreamConfig(IAMStreamConfig *iface)
  59 {
  60     return CONTAINING_RECORD(iface, struct vfw_capture, IAMStreamConfig_iface);
  61 }
  62
  63 static inline struct vfw_capture *impl_from_IAMVideoControl(IAMVideoControl *iface)
  64 {
  65     return CONTAINING_RECORD(iface, struct vfw_capture, IAMVideoControl_iface);
  66 }
  67
  68 static inline struct vfw_capture *impl_from_IAMVideoProcAmp(IAMVideoProcAmp *iface)
  69 {
  70     return CONTAINING_RECORD(iface, struct vfw_capture, IAMVideoProcAmp_iface);
  71 }
  72
  73 static inline struct vfw_capture *impl_from_IAMFilterMiscFlags(IAMFilterMiscFlags *iface)
  74 {
  75     return CONTAINING_RECORD(iface, struct vfw_capture, IAMFilterMiscFlags_iface);
  76 }
  77
  78 static inline struct vfw_capture *impl_from_IPersistPropertyBag(IPersistPropertyBag *iface)
  79 {
  80     return CONTAINING_RECORD(iface, struct vfw_capture, IPersistPropertyBag_iface);
  81 }
  82
  83 static struct strmbase_pin *vfw_capture_get_pin(struct strmbase_filter *iface, unsigned int index)
  84 {
  85     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
  86
  87     if (index >= 1)
  88         return NULL;
  89
  90     return &filter->source.pin;
  91 }
  92
  93 static void vfw_capture_destroy(struct strmbase_filter *iface)
  94 {
  95     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
  96
  97     if (filter->init)
  98         capture_funcs->destroy(filter->device);
  99
 100     if (filter->source.pin.peer)
 101     {
 102         IPin_Disconnect(filter->source.pin.peer);
 103         IPin_Disconnect(&filter->source.pin.IPin_iface);
 104     }
 105     filter->state_cs.DebugInfo->Spare[0] = 0;
 106     DeleteCriticalSection(&filter->state_cs);
 107     strmbase_source_cleanup(&filter->source);
 108     strmbase_filter_cleanup(&filter->filter);
 109     free(filter);
 110     ObjectRefCount(FALSE);
 111 }
 112
 113 static HRESULT vfw_capture_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
 114 {
 115     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 116
 117     if (IsEqualGUID(iid, &IID_IPersistPropertyBag))
 118         *out = &filter->IPersistPropertyBag_iface;
 119     else if (IsEqualGUID(iid, &IID_IAMVideoControl))
 120         *out = &filter->IAMVideoControl_iface;
 121     else if (IsEqualGUID(iid, &IID_IAMVideoProcAmp))
 122         *out = &filter->IAMVideoProcAmp_iface;
 123     else if (IsEqualGUID(iid, &IID_IAMFilterMiscFlags))
 124         *out = &filter->IAMFilterMiscFlags_iface;
 125     else
 126         return E_NOINTERFACE;
 127
 128     IUnknown_AddRef((IUnknown *)*out);
 129     return S_OK;
 130 }
 131
 132 static unsigned int get_image_size(struct vfw_capture *filter)
 133 {
 134     const VIDEOINFOHEADER *format = (const VIDEOINFOHEADER *)filter->source.pin.mt.pbFormat;
 135
 136     return format->bmiHeader.biWidth * format->bmiHeader.biHeight * format->bmiHeader.biBitCount / 8;
 137 }
 138
 139 static DWORD WINAPI stream_thread(void *arg)
 140 {
 141     struct vfw_capture *filter = arg;
 142     const unsigned int image_size = get_image_size(filter);
 143
 144     for (;;)
 145     {
 146         IMediaSample *sample;
 147         HRESULT hr;
 148         BYTE *data;
 149
 150         EnterCriticalSection(&filter->state_cs);
 151
 152         while (filter->state == State_Paused)
 153             SleepConditionVariableCS(&filter->state_cv, &filter->state_cs, INFINITE);
 154
 155         if (filter->state == State_Stopped)
 156         {
 157             LeaveCriticalSection(&filter->state_cs);
 158             break;
 159         }
 160
 161         LeaveCriticalSection(&filter->state_cs);
 162
 163         if (FAILED(hr = BaseOutputPinImpl_GetDeliveryBuffer(&filter->source, &sample, NULL, NULL, 0)))
 164         {
 165             ERR("Failed to get sample, hr %#x.\n", hr);
 166             break;
 167         }
 168
 169         IMediaSample_SetActualDataLength(sample, image_size);
 170         IMediaSample_GetPointer(sample, &data);
 171
 172         if (!capture_funcs->read_frame(filter->device, data))
 173         {
 174             IMediaSample_Release(sample);
 175             break;
 176         }
 177
 178         hr = IMemInputPin_Receive(filter->source.pMemInputPin, sample);
 179         IMediaSample_Release(sample);
 180         if (FAILED(hr))
 181         {
 182             ERR("IMemInputPin::Receive() returned %#x.\n", hr);
 183             break;
 184         }
 185     }
 186
 187     return 0;
 188 }
 189
 190 static HRESULT vfw_capture_init_stream(struct strmbase_filter *iface)
 191 {
 192     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 193     ALLOCATOR_PROPERTIES req_props, ret_props;
 194     HRESULT hr;
 195
 196     req_props.cBuffers = 3;
 197     req_props.cbBuffer = get_image_size(filter);
 198     req_props.cbAlign = 1;
 199     req_props.cbPrefix = 0;
 200     if (FAILED(hr = IMemAllocator_SetProperties(filter->source.pAllocator, &req_props, &ret_props))
 201             && hr != VFW_E_ALREADY_COMMITTED)
 202         ERR("Failed to set allocator properties (buffer size %u), hr %#x.\n", req_props.cbBuffer, hr);
 203
 204     if (FAILED(hr = IMemAllocator_Commit(filter->source.pAllocator)))
 205         ERR("Failed to commit allocator, hr %#x.\n", hr);
 206
 207     EnterCriticalSection(&filter->state_cs);
 208     filter->state = State_Paused;
 209     LeaveCriticalSection(&filter->state_cs);
 210
 211     filter->thread = CreateThread(NULL, 0, stream_thread, filter, 0, NULL);
 212
 213     return S_OK;
 214 }
 215
 216 static HRESULT vfw_capture_start_stream(struct strmbase_filter *iface, REFERENCE_TIME time)
 217 {
 218     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 219
 220     EnterCriticalSection(&filter->state_cs);
 221     filter->state = State_Running;
 222     LeaveCriticalSection(&filter->state_cs);
 223     WakeConditionVariable(&filter->state_cv);
 224     return S_OK;
 225 }
 226
 227 static HRESULT vfw_capture_stop_stream(struct strmbase_filter *iface)
 228 {
 229     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 230
 231     EnterCriticalSection(&filter->state_cs);
 232     filter->state = State_Paused;
 233     LeaveCriticalSection(&filter->state_cs);
 234     return S_OK;
 235 }
 236
 237 static HRESULT vfw_capture_cleanup_stream(struct strmbase_filter *iface)
 238 {
 239     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 240     HRESULT hr;
 241
 242     EnterCriticalSection(&filter->state_cs);
 243     filter->state = State_Stopped;
 244     LeaveCriticalSection(&filter->state_cs);
 245     WakeConditionVariable(&filter->state_cv);
 246
 247     WaitForSingleObject(filter->thread, INFINITE);
 248     CloseHandle(filter->thread);
 249     filter->thread = NULL;
 250
 251     hr = IMemAllocator_Decommit(filter->source.pAllocator);
 252     if (hr != S_OK && hr != VFW_E_NOT_COMMITTED)
 253         ERR("Failed to decommit allocator, hr %#x.\n", hr);
 254
 255     return S_OK;
 256 }
 257
 258 static HRESULT vfw_capture_wait_state(struct strmbase_filter *iface, DWORD timeout)
 259 {
 260     return iface->state == State_Paused ? VFW_S_CANT_CUE : S_OK;
 261 }
 262
 263 static const struct strmbase_filter_ops filter_ops =
 264 {
 265     .filter_get_pin = vfw_capture_get_pin,
 266     .filter_destroy = vfw_capture_destroy,
 267     .filter_query_interface = vfw_capture_query_interface,
 268     .filter_init_stream = vfw_capture_init_stream,
 269     .filter_start_stream = vfw_capture_start_stream,
 270     .filter_stop_stream = vfw_capture_stop_stream,
 271     .filter_cleanup_stream = vfw_capture_cleanup_stream,
 272     .filter_wait_state = vfw_capture_wait_state,
 273 };
 274
 275 static HRESULT WINAPI AMStreamConfig_QueryInterface(IAMStreamConfig *iface, REFIID iid, void **out)
 276 {
 277     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 278     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 279 }
 280
 281 static ULONG WINAPI AMStreamConfig_AddRef(IAMStreamConfig *iface)
 282 {
 283     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 284     return IPin_AddRef(&filter->source.pin.IPin_iface);
 285 }
 286
 287 static ULONG WINAPI AMStreamConfig_Release(IAMStreamConfig *iface)
 288 {
 289     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 290     return IPin_Release(&filter->source.pin.IPin_iface);
 291 }
 292
 293 static HRESULT WINAPI
 294 AMStreamConfig_SetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE *pmt)
 295 {
 296     struct vfw_capture *This = impl_from_IAMStreamConfig(iface);
 297     HRESULT hr;
 298
 299     TRACE("filter %p, mt %p.\n", This, pmt);
 300     strmbase_dump_media_type(pmt);
 301
 302     if (This->filter.state != State_Stopped)
 303     {
 304         TRACE("Returning not stopped error\n");
 305         return VFW_E_NOT_STOPPED;
 306     }
 307
 308     if (!pmt)
 309     {
 310         TRACE("pmt is NULL\n");
 311         return E_POINTER;
 312     }
 313
 314     if (!IsEqualGUID(&pmt->majortype, &MEDIATYPE_Video))
 315         return E_FAIL;
 316
 317     if (This->source.pin.peer)
 318     {
 319         hr = IPin_QueryAccept(This->source.pin.peer, pmt);
 320         TRACE("Would accept: %d\n", hr);
 321         if (hr == S_FALSE)
 322             return VFW_E_INVALIDMEDIATYPE;
 323     }
 324
 325     hr = capture_funcs->set_format(This->device, pmt);
 326     if (SUCCEEDED(hr) && This->filter.graph && This->source.pin.peer)
 327     {
 328         hr = IFilterGraph_Reconnect(This->filter.graph, &This->source.pin.IPin_iface);
 329         if (SUCCEEDED(hr))
 330             TRACE("Reconnection completed, with new media format..\n");
 331     }
 332     TRACE("Returning: %d\n", hr);
 333     return hr;
 334 }
 335
 336 static HRESULT WINAPI AMStreamConfig_GetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE **mt)
 337 {
 338     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 339     VIDEOINFOHEADER *format;
 340     HRESULT hr;
 341
 342     TRACE("filter %p, mt %p.\n", filter, mt);
 343
 344     if (!(*mt = CoTaskMemAlloc(sizeof(**mt))))
 345         return E_OUTOFMEMORY;
 346
 347     EnterCriticalSection(&filter->filter.filter_cs);
 348
 349     if (filter->source.pin.peer)
 350     {
 351         hr = CopyMediaType(*mt, &filter->source.pin.mt);
 352     }
 353     else
 354     {
 355         if ((format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
 356         {
 357             capture_funcs->get_format(filter->device, *mt, format);
 358             (*mt)->cbFormat = sizeof(VIDEOINFOHEADER);
 359             (*mt)->pbFormat = (BYTE *)format;
 360             hr = S_OK;
 361         }
 362         else
 363         {
 364             hr = E_OUTOFMEMORY;
 365         }
 366     }
 367
 368     LeaveCriticalSection(&filter->filter.filter_cs);
 369
 370     if (SUCCEEDED(hr))
 371         strmbase_dump_media_type(*mt);
 372     else
 373         CoTaskMemFree(*mt);
 374     return hr;
 375 }
 376
 377 static HRESULT WINAPI AMStreamConfig_GetNumberOfCapabilities(IAMStreamConfig *iface,
 378         int *count, int *size)
 379 {
 380     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 381
 382     TRACE("filter %p, count %p, size %p.\n", filter, count, size);
 383
 384     if (!count || !size)
 385         return E_POINTER;
 386
 387     *count = capture_funcs->get_caps_count(filter->device);
 388     *size = sizeof(VIDEO_STREAM_CONFIG_CAPS);
 389
 390     return S_OK;
 391 }
 392
 393 static HRESULT WINAPI AMStreamConfig_GetStreamCaps(IAMStreamConfig *iface,
 394         int index, AM_MEDIA_TYPE **pmt, BYTE *vscc)
 395 {
 396     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 397     VIDEOINFOHEADER *format;
 398     AM_MEDIA_TYPE *mt;
 399
 400     TRACE("filter %p, index %d, pmt %p, vscc %p.\n", filter, index, pmt, vscc);
 401
 402     if (index > capture_funcs->get_caps_count(filter->device))
 403         return S_FALSE;
 404
 405     if (!(mt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
 406         return E_OUTOFMEMORY;
 407
 408     if (!(format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
 409     {
 410         CoTaskMemFree(mt);
 411         return E_OUTOFMEMORY;
 412     }
 413
 414     capture_funcs->get_caps(filter->device, index, mt, format, (VIDEO_STREAM_CONFIG_CAPS *)vscc);
 415     mt->cbFormat = sizeof(VIDEOINFOHEADER);
 416     mt->pbFormat = (BYTE *)format;
 417     *pmt = mt;
 418     return S_OK;
 419 }
 420
 421 static const IAMStreamConfigVtbl IAMStreamConfig_VTable =
 422 {
 423     AMStreamConfig_QueryInterface,
 424     AMStreamConfig_AddRef,
 425     AMStreamConfig_Release,
 426     AMStreamConfig_SetFormat,
 427     AMStreamConfig_GetFormat,
 428     AMStreamConfig_GetNumberOfCapabilities,
 429     AMStreamConfig_GetStreamCaps
 430 };
 431
 432 static HRESULT WINAPI AMVideoProcAmp_QueryInterface(IAMVideoProcAmp *iface, REFIID iid, void **out)
 433 {
 434     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 435     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 436 }
 437
 438 static ULONG WINAPI AMVideoProcAmp_AddRef(IAMVideoProcAmp * iface)
 439 {
 440     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 441     return IUnknown_AddRef(filter->filter.outer_unk);
 442 }
 443
 444 static ULONG WINAPI AMVideoProcAmp_Release(IAMVideoProcAmp * iface)
 445 {
 446     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 447     return IUnknown_Release(filter->filter.outer_unk);
 448 }
 449
 450 static HRESULT WINAPI AMVideoProcAmp_GetRange(IAMVideoProcAmp *iface, LONG property,
 451         LONG *min, LONG *max, LONG *step, LONG *default_value, LONG *flags)
 452 {
 453     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 454
 455     TRACE("filter %p, property %#x, min %p, max %p, step %p, default_value %p, flags %p.\n",
 456             filter, property, min, max, step, default_value, flags);
 457
 458     return capture_funcs->get_prop_range(filter->device, property, min,
 459             max, step, default_value, flags);
 460 }
 461
 462 static HRESULT WINAPI AMVideoProcAmp_Set(IAMVideoProcAmp *iface, LONG property,
 463         LONG value, LONG flags)
 464 {
 465     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 466
 467     TRACE("filter %p, property %#x, value %d, flags %#x.\n", filter, property, value, flags);
 468
 469     return capture_funcs->set_prop(filter->device, property, value, flags);
 470 }
 471
 472 static HRESULT WINAPI AMVideoProcAmp_Get(IAMVideoProcAmp *iface, LONG property,
 473         LONG *value, LONG *flags)
 474 {
 475     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 476
 477     TRACE("filter %p, property %#x, value %p, flags %p.\n", filter, property, value, flags);
 478
 479     return capture_funcs->get_prop(filter->device, property, value, flags);
 480 }
 481
 482 static const IAMVideoProcAmpVtbl IAMVideoProcAmp_VTable =
 483 {
 484     AMVideoProcAmp_QueryInterface,
 485     AMVideoProcAmp_AddRef,
 486     AMVideoProcAmp_Release,
 487     AMVideoProcAmp_GetRange,
 488     AMVideoProcAmp_Set,
 489     AMVideoProcAmp_Get,
 490 };
 491
 492 static HRESULT WINAPI PPB_QueryInterface(IPersistPropertyBag *iface, REFIID iid, void **out)
 493 {
 494     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 495     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 496 }
 497
 498 static ULONG WINAPI PPB_AddRef(IPersistPropertyBag * iface)
 499 {
 500     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 501     return IUnknown_AddRef(filter->filter.outer_unk);
 502 }
 503
 504 static ULONG WINAPI PPB_Release(IPersistPropertyBag * iface)
 505 {
 506     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 507     return IUnknown_Release(filter->filter.outer_unk);
 508 }
 509
 510 static HRESULT WINAPI
 511 PPB_GetClassID( IPersistPropertyBag * iface, CLSID * pClassID )
 512 {
 513     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 514
 515     FIXME("%p - stub\n", This);
 516
 517     return E_NOTIMPL;
 518 }
 519
 520 static HRESULT WINAPI PPB_InitNew(IPersistPropertyBag * iface)
 521 {
 522     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 523
 524     FIXME("%p - stub\n", This);
 525
 526     return E_NOTIMPL;
 527 }
 528
 529 static HRESULT WINAPI PPB_Load(IPersistPropertyBag *iface, IPropertyBag *bag, IErrorLog *error_log)
 530 {
 531     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 532     HRESULT hr;
 533     VARIANT var;
 534
 535     TRACE("filter %p, bag %p, error_log %p.\n", filter, bag, error_log);
 536
 537     V_VT(&var) = VT_I4;
 538     if (FAILED(hr = IPropertyBag_Read(bag, L"VFWIndex", &var, error_log)))
 539         return hr;
 540
 541     if (!(filter->device = capture_funcs->create(V_I4(&var))))
 542         return E_FAIL;
 543
 544     filter->init = TRUE;
 545     return S_OK;
 546 }
 547
 548 static HRESULT WINAPI
 549 PPB_Save( IPersistPropertyBag * iface, IPropertyBag *pPropBag,
 550           BOOL fClearDirty, BOOL fSaveAllProperties )
 551 {
 552     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 553     FIXME("%p - stub\n", This);
 554     return E_NOTIMPL;
 555 }
 556
 557 static const IPersistPropertyBagVtbl IPersistPropertyBag_VTable =
 558 {
 559     PPB_QueryInterface,
 560     PPB_AddRef,
 561     PPB_Release,
 562     PPB_GetClassID,
 563     PPB_InitNew,
 564     PPB_Load,
 565     PPB_Save
 566 };
 567
 568 /* IKsPropertySet interface */
 569 static inline struct vfw_capture *impl_from_IKsPropertySet(IKsPropertySet *iface)
 570 {
 571     return CONTAINING_RECORD(iface, struct vfw_capture, IKsPropertySet_iface);
 572 }
 573
 574 static HRESULT WINAPI KSP_QueryInterface(IKsPropertySet *iface, REFIID iid, void **out)
 575 {
 576     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 577     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 578 }
 579
 580 static ULONG WINAPI KSP_AddRef(IKsPropertySet * iface)
 581 {
 582     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 583     return IPin_AddRef(&filter->source.pin.IPin_iface);
 584 }
 585
 586 static ULONG WINAPI KSP_Release(IKsPropertySet * iface)
 587 {
 588     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 589     return IPin_Release(&filter->source.pin.IPin_iface);
 590 }
 591
 592 static HRESULT WINAPI
 593 KSP_Set( IKsPropertySet * iface, REFGUID guidPropSet, DWORD dwPropID,
 594          LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData,
 595          DWORD cbPropData )
 596 {
 597     FIXME("%p: stub\n", iface);
 598     return E_NOTIMPL;
 599 }
 600
 601 static HRESULT WINAPI
 602 KSP_Get( IKsPropertySet * iface, REFGUID guidPropSet, DWORD dwPropID,
 603          LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData,
 604          DWORD cbPropData, DWORD *pcbReturned )
 605 {
 606     LPGUID pGuid;
 607
 608     TRACE("()\n");
 609
 610     if (!IsEqualIID(guidPropSet, &AMPROPSETID_Pin))
 611         return E_PROP_SET_UNSUPPORTED;
 612     if (pPropData == NULL && pcbReturned == NULL)
 613         return E_POINTER;
 614     if (pcbReturned)
 615         *pcbReturned = sizeof(GUID);
 616     if (pPropData == NULL)
 617         return S_OK;
 618     if (cbPropData < sizeof(GUID))
 619         return E_UNEXPECTED;
 620     pGuid = pPropData;
 621     *pGuid = PIN_CATEGORY_CAPTURE;
 622     FIXME("() Not adding a pin with PIN_CATEGORY_PREVIEW\n");
 623     return S_OK;
 624 }
 625
 626 static HRESULT WINAPI
 627 KSP_QuerySupported( IKsPropertySet * iface, REFGUID guidPropSet,
 628                     DWORD dwPropID, DWORD *pTypeSupport )
 629 {
 630    FIXME("%p: stub\n", iface);
 631    return E_NOTIMPL;
 632 }
 633
 634 static const IKsPropertySetVtbl IKsPropertySet_VTable =
 635 {
 636    KSP_QueryInterface,
 637    KSP_AddRef,
 638    KSP_Release,
 639    KSP_Set,
 640    KSP_Get,
 641    KSP_QuerySupported
 642 };
 643
 644 static inline struct vfw_capture *impl_from_strmbase_pin(struct strmbase_pin *pin)
 645 {
 646     return CONTAINING_RECORD(pin, struct vfw_capture, source.pin);
 647 }
 648
 649 static HRESULT source_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
 650 {
 651     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
 652     return capture_funcs->check_format(filter->device, mt);
 653 }
 654
 655 static HRESULT source_get_media_type(struct strmbase_pin *pin,
 656         unsigned int index, AM_MEDIA_TYPE *mt)
 657 {
 658     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
 659     VIDEOINFOHEADER *format;
 660     HRESULT hr;
 661
 662     if (!(format = CoTaskMemAlloc(sizeof(*format))))
 663         return E_OUTOFMEMORY;
 664
 665     if ((hr = capture_funcs->get_media_type(filter->device, index, mt, format)) != S_OK)
 666     {
 667         CoTaskMemFree(format);
 668         return hr;
 669     }
 670     mt->cbFormat = sizeof(VIDEOINFOHEADER);
 671     mt->pbFormat = (BYTE *)format;
 672     return S_OK;
 673 }
 674
 675 static HRESULT source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 676 {
 677     struct vfw_capture *filter = impl_from_strmbase_pin(iface);
 678
 679     if (IsEqualGUID(iid, &IID_IKsPropertySet))
 680         *out = &filter->IKsPropertySet_iface;
 681     else if (IsEqualGUID(iid, &IID_IAMStreamConfig))
 682         *out = &filter->IAMStreamConfig_iface;
 683     else
 684         return E_NOINTERFACE;
 685
 686     IUnknown_AddRef((IUnknown *)*out);
 687     return S_OK;
 688 }
 689
 690 static HRESULT WINAPI VfwPin_DecideBufferSize(struct strmbase_source *iface,
 691         IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 692 {
 693     ALLOCATOR_PROPERTIES actual;
 694
 695     /* What we put here doesn't matter, the
 696        driver function should override it then commit */
 697     if (!ppropInputRequest->cBuffers)
 698         ppropInputRequest->cBuffers = 3;
 699     if (!ppropInputRequest->cbBuffer)
 700         ppropInputRequest->cbBuffer = 230400;
 701     if (!ppropInputRequest->cbAlign)
 702         ppropInputRequest->cbAlign = 1;
 703
 704     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 705 }
 706
 707 static const struct strmbase_source_ops source_ops =
 708 {
 709     .base.pin_query_accept = source_query_accept,
 710     .base.pin_get_media_type = source_get_media_type,
 711     .base.pin_query_interface = source_query_interface,
 712     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 713     .pfnDecideBufferSize = VfwPin_DecideBufferSize,
 714     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 715 };
 716
 717 static HRESULT WINAPI misc_flags_QueryInterface(IAMFilterMiscFlags *iface, REFIID riid, void **ppv)
 718 {
 719     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 720     return IUnknown_QueryInterface(filter->filter.outer_unk, riid, ppv);
 721 }
 722
 723 static ULONG WINAPI misc_flags_AddRef(IAMFilterMiscFlags *iface)
 724 {
 725     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 726     return IUnknown_AddRef(filter->filter.outer_unk);
 727 }
 728
 729 static ULONG WINAPI misc_flags_Release(IAMFilterMiscFlags *iface)
 730 {
 731     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 732     return IUnknown_Release(filter->filter.outer_unk);
 733 }
 734
 735 static ULONG WINAPI misc_flags_GetMiscFlags(IAMFilterMiscFlags *iface)
 736 {
 737     return AM_FILTER_MISC_FLAGS_IS_SOURCE;
 738 }
 739
 740 static const IAMFilterMiscFlagsVtbl IAMFilterMiscFlags_VTable =
 741 {
 742     misc_flags_QueryInterface,
 743     misc_flags_AddRef,
 744     misc_flags_Release,
 745     misc_flags_GetMiscFlags
 746 };
 747
 748 static HRESULT WINAPI video_control_QueryInterface(IAMVideoControl *iface, REFIID riid, void **ppv)
 749 {
 750     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 751     return IUnknown_QueryInterface(filter->filter.outer_unk, riid, ppv);
 752 }
 753
 754 static ULONG WINAPI video_control_AddRef(IAMVideoControl *iface)
 755 {
 756     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 757     return IUnknown_AddRef(filter->filter.outer_unk);
 758 }
 759
 760 static ULONG WINAPI video_control_Release(IAMVideoControl *iface)
 761 {
 762     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 763     return IUnknown_Release(filter->filter.outer_unk);
 764 }
 765
 766 static HRESULT WINAPI video_control_GetCaps(IAMVideoControl *iface, IPin *pin, LONG *flags)
 767 {
 768     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 769
 770     FIXME("filter %p, pin %p, flags %p: stub.\n", filter, pin, flags);
 771
 772     return E_NOTIMPL;
 773 }
 774
 775 static HRESULT WINAPI video_control_SetMode(IAMVideoControl *iface, IPin *pin, LONG mode)
 776 {
 777     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 778
 779     FIXME("filter %p, pin %p, mode %d: stub.\n", filter, pin, mode);
 780
 781     return E_NOTIMPL;
 782 }
 783
 784 static HRESULT WINAPI video_control_GetMode(IAMVideoControl *iface, IPin *pin, LONG *mode)
 785 {
 786     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 787
 788     FIXME("filter %p, pin %p, mode %p: stub.\n", filter, pin, mode);
 789
 790     return E_NOTIMPL;
 791 }
 792
 793 static HRESULT WINAPI video_control_GetCurrentActualFrameRate(IAMVideoControl *iface, IPin *pin,
 794         LONGLONG *frame_rate)
 795 {
 796     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 797
 798     FIXME("filter %p, pin %p, frame rate %p: stub.\n", filter, pin, frame_rate);
 799
 800     return E_NOTIMPL;
 801 }
 802
 803 static HRESULT WINAPI video_control_GetMaxAvailableFrameRate(IAMVideoControl *iface, IPin *pin,
 804         LONG index, SIZE dimensions, LONGLONG *frame_rate)
 805 {
 806     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 807
 808     FIXME("filter %p, pin %p, index %d, dimensions (%dx%d), frame rate %p: stub.\n",
 809             filter, pin, index, dimensions.cx, dimensions.cy, frame_rate);
 810
 811     return E_NOTIMPL;
 812 }
 813
 814 static HRESULT WINAPI video_control_GetFrameRateList(IAMVideoControl *iface, IPin *pin, LONG index,
 815         SIZE dimensions, LONG *list_size, LONGLONG **frame_rate)
 816 {
 817     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 818
 819     FIXME("filter %p, pin %p, index %d, dimensions (%dx%d), list size %p, frame rate: %p: stub.\n",
 820             filter, pin, index, dimensions.cx, dimensions.cy, list_size, frame_rate);
 821
 822     return E_NOTIMPL;
 823 }
 824
 825 static const IAMVideoControlVtbl IAMVideoControl_VTable =
 826 {
 827     video_control_QueryInterface,
 828     video_control_AddRef,
 829     video_control_Release,
 830     video_control_GetCaps,
 831     video_control_SetMode,
 832     video_control_GetMode,
 833     video_control_GetCurrentActualFrameRate,
 834     video_control_GetMaxAvailableFrameRate,
 835     video_control_GetFrameRateList
 836 };
 837
 838 static BOOL WINAPI load_capture_funcs(INIT_ONCE *once, void *param, void **context)
 839 {
 840     __wine_init_unix_lib(qcap_instance, DLL_PROCESS_ATTACH, NULL, &capture_funcs);
 841     return TRUE;
 842 }
 843
 844 static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
 845
 846 HRESULT vfw_capture_create(IUnknown *outer, IUnknown **out)
 847 {
 848     struct vfw_capture *object;
 849
 850     if (!InitOnceExecuteOnce(&init_once, load_capture_funcs, NULL, NULL) || !capture_funcs)
 851         return E_FAIL;
 852
 853     if (!(object = calloc(1, sizeof(*object))))
 854         return E_OUTOFMEMORY;
 855
 856     strmbase_filter_init(&object->filter, outer, &CLSID_VfwCapture, &filter_ops);
 857
 858     object->IAMStreamConfig_iface.lpVtbl = &IAMStreamConfig_VTable;
 859     object->IAMVideoControl_iface.lpVtbl = &IAMVideoControl_VTable;
 860     object->IAMVideoProcAmp_iface.lpVtbl = &IAMVideoProcAmp_VTable;
 861     object->IAMFilterMiscFlags_iface.lpVtbl = &IAMFilterMiscFlags_VTable;
 862     object->IPersistPropertyBag_iface.lpVtbl = &IPersistPropertyBag_VTable;
 863
 864     strmbase_source_init(&object->source, &object->filter, L"Output", &source_ops);
 865
 866     object->IKsPropertySet_iface.lpVtbl = &IKsPropertySet_VTable;
 867
 868     object->state = State_Stopped;
 869     InitializeConditionVariable(&object->state_cv);
 870     InitializeCriticalSection(&object->state_cs);
 871     object->state_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": vfw_capture.state_cs");
 872
 873     TRACE("Created VFW capture filter %p.\n", object);
 874     ObjectRefCount(TRUE);
 875     *out = &object->filter.IUnknown_inner;
 876     return S_OK;
 877 }