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     {
 202         ERR("Failed to set allocator properties (buffer size %u), hr %#x.\n", req_props.cbBuffer, hr);
 203         return hr;
 204     }
 205
 206     if (FAILED(hr = IMemAllocator_Commit(filter->source.pAllocator)))
 207         ERR("Failed to commit allocator, hr %#x.\n", hr);
 208
 209     EnterCriticalSection(&filter->state_cs);
 210     filter->state = State_Paused;
 211     LeaveCriticalSection(&filter->state_cs);
 212
 213     filter->thread = CreateThread(NULL, 0, stream_thread, filter, 0, NULL);
 214
 215     return S_OK;
 216 }
 217
 218 static HRESULT vfw_capture_start_stream(struct strmbase_filter *iface, REFERENCE_TIME time)
 219 {
 220     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 221
 222     EnterCriticalSection(&filter->state_cs);
 223     filter->state = State_Running;
 224     LeaveCriticalSection(&filter->state_cs);
 225     WakeConditionVariable(&filter->state_cv);
 226     return S_OK;
 227 }
 228
 229 static HRESULT vfw_capture_stop_stream(struct strmbase_filter *iface)
 230 {
 231     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 232
 233     EnterCriticalSection(&filter->state_cs);
 234     filter->state = State_Paused;
 235     LeaveCriticalSection(&filter->state_cs);
 236     return S_OK;
 237 }
 238
 239 static HRESULT vfw_capture_cleanup_stream(struct strmbase_filter *iface)
 240 {
 241     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 242     HRESULT hr;
 243
 244     EnterCriticalSection(&filter->state_cs);
 245     filter->state = State_Stopped;
 246     LeaveCriticalSection(&filter->state_cs);
 247     WakeConditionVariable(&filter->state_cv);
 248
 249     WaitForSingleObject(filter->thread, INFINITE);
 250     CloseHandle(filter->thread);
 251     filter->thread = NULL;
 252
 253     hr = IMemAllocator_Decommit(filter->source.pAllocator);
 254     if (hr != S_OK && hr != VFW_E_NOT_COMMITTED)
 255         ERR("Failed to decommit allocator, hr %#x.\n", hr);
 256
 257     return S_OK;
 258 }
 259
 260 static HRESULT vfw_capture_wait_state(struct strmbase_filter *iface, DWORD timeout)
 261 {
 262     return iface->state == State_Paused ? VFW_S_CANT_CUE : S_OK;
 263 }
 264
 265 static const struct strmbase_filter_ops filter_ops =
 266 {
 267     .filter_get_pin = vfw_capture_get_pin,
 268     .filter_destroy = vfw_capture_destroy,
 269     .filter_query_interface = vfw_capture_query_interface,
 270     .filter_init_stream = vfw_capture_init_stream,
 271     .filter_start_stream = vfw_capture_start_stream,
 272     .filter_stop_stream = vfw_capture_stop_stream,
 273     .filter_cleanup_stream = vfw_capture_cleanup_stream,
 274     .filter_wait_state = vfw_capture_wait_state,
 275 };
 276
 277 static HRESULT WINAPI AMStreamConfig_QueryInterface(IAMStreamConfig *iface, REFIID iid, void **out)
 278 {
 279     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 280     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 281 }
 282
 283 static ULONG WINAPI AMStreamConfig_AddRef(IAMStreamConfig *iface)
 284 {
 285     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 286     return IPin_AddRef(&filter->source.pin.IPin_iface);
 287 }
 288
 289 static ULONG WINAPI AMStreamConfig_Release(IAMStreamConfig *iface)
 290 {
 291     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 292     return IPin_Release(&filter->source.pin.IPin_iface);
 293 }
 294
 295 static HRESULT WINAPI
 296 AMStreamConfig_SetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE *pmt)
 297 {
 298     struct vfw_capture *This = impl_from_IAMStreamConfig(iface);
 299     HRESULT hr;
 300
 301     TRACE("filter %p, mt %p.\n", This, pmt);
 302     strmbase_dump_media_type(pmt);
 303
 304     if (This->filter.state != State_Stopped)
 305     {
 306         TRACE("Returning not stopped error\n");
 307         return VFW_E_NOT_STOPPED;
 308     }
 309
 310     if (!pmt)
 311     {
 312         TRACE("pmt is NULL\n");
 313         return E_POINTER;
 314     }
 315
 316     if (!IsEqualGUID(&pmt->majortype, &MEDIATYPE_Video))
 317         return E_FAIL;
 318
 319     if (This->source.pin.peer)
 320     {
 321         hr = IPin_QueryAccept(This->source.pin.peer, pmt);
 322         TRACE("Would accept: %d\n", hr);
 323         if (hr == S_FALSE)
 324             return VFW_E_INVALIDMEDIATYPE;
 325     }
 326
 327     hr = capture_funcs->set_format(This->device, pmt);
 328     if (SUCCEEDED(hr) && This->filter.graph && This->source.pin.peer)
 329     {
 330         hr = IFilterGraph_Reconnect(This->filter.graph, &This->source.pin.IPin_iface);
 331         if (SUCCEEDED(hr))
 332             TRACE("Reconnection completed, with new media format..\n");
 333     }
 334     TRACE("Returning: %d\n", hr);
 335     return hr;
 336 }
 337
 338 static HRESULT WINAPI AMStreamConfig_GetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE **mt)
 339 {
 340     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 341     VIDEOINFOHEADER *format;
 342     HRESULT hr;
 343
 344     TRACE("filter %p, mt %p.\n", filter, mt);
 345
 346     if (!(*mt = CoTaskMemAlloc(sizeof(**mt))))
 347         return E_OUTOFMEMORY;
 348
 349     EnterCriticalSection(&filter->filter.filter_cs);
 350
 351     if (filter->source.pin.peer)
 352     {
 353         hr = CopyMediaType(*mt, &filter->source.pin.mt);
 354     }
 355     else
 356     {
 357         if ((format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
 358         {
 359             capture_funcs->get_format(filter->device, *mt, format);
 360             (*mt)->cbFormat = sizeof(VIDEOINFOHEADER);
 361             (*mt)->pbFormat = (BYTE *)format;
 362             hr = S_OK;
 363         }
 364         else
 365         {
 366             hr = E_OUTOFMEMORY;
 367         }
 368     }
 369
 370     LeaveCriticalSection(&filter->filter.filter_cs);
 371
 372     if (SUCCEEDED(hr))
 373         strmbase_dump_media_type(*mt);
 374     else
 375         CoTaskMemFree(*mt);
 376     return hr;
 377 }
 378
 379 static HRESULT WINAPI AMStreamConfig_GetNumberOfCapabilities(IAMStreamConfig *iface,
 380         int *count, int *size)
 381 {
 382     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 383
 384     TRACE("filter %p, count %p, size %p.\n", filter, count, size);
 385
 386     if (!count || !size)
 387         return E_POINTER;
 388
 389     *count = capture_funcs->get_caps_count(filter->device);
 390     *size = sizeof(VIDEO_STREAM_CONFIG_CAPS);
 391
 392     return S_OK;
 393 }
 394
 395 static HRESULT WINAPI AMStreamConfig_GetStreamCaps(IAMStreamConfig *iface,
 396         int index, AM_MEDIA_TYPE **pmt, BYTE *vscc)
 397 {
 398     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 399     VIDEOINFOHEADER *format;
 400     AM_MEDIA_TYPE *mt;
 401
 402     TRACE("filter %p, index %d, pmt %p, vscc %p.\n", filter, index, pmt, vscc);
 403
 404     if (index > capture_funcs->get_caps_count(filter->device))
 405         return S_FALSE;
 406
 407     if (!(mt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
 408         return E_OUTOFMEMORY;
 409
 410     if (!(format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
 411     {
 412         CoTaskMemFree(mt);
 413         return E_OUTOFMEMORY;
 414     }
 415
 416     capture_funcs->get_caps(filter->device, index, mt, format, (VIDEO_STREAM_CONFIG_CAPS *)vscc);
 417     mt->cbFormat = sizeof(VIDEOINFOHEADER);
 418     mt->pbFormat = (BYTE *)format;
 419     *pmt = mt;
 420     return S_OK;
 421 }
 422
 423 static const IAMStreamConfigVtbl IAMStreamConfig_VTable =
 424 {
 425     AMStreamConfig_QueryInterface,
 426     AMStreamConfig_AddRef,
 427     AMStreamConfig_Release,
 428     AMStreamConfig_SetFormat,
 429     AMStreamConfig_GetFormat,
 430     AMStreamConfig_GetNumberOfCapabilities,
 431     AMStreamConfig_GetStreamCaps
 432 };
 433
 434 static HRESULT WINAPI AMVideoProcAmp_QueryInterface(IAMVideoProcAmp *iface, REFIID iid, void **out)
 435 {
 436     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 437     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 438 }
 439
 440 static ULONG WINAPI AMVideoProcAmp_AddRef(IAMVideoProcAmp * iface)
 441 {
 442     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 443     return IUnknown_AddRef(filter->filter.outer_unk);
 444 }
 445
 446 static ULONG WINAPI AMVideoProcAmp_Release(IAMVideoProcAmp * iface)
 447 {
 448     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 449     return IUnknown_Release(filter->filter.outer_unk);
 450 }
 451
 452 static HRESULT WINAPI AMVideoProcAmp_GetRange(IAMVideoProcAmp *iface, LONG property,
 453         LONG *min, LONG *max, LONG *step, LONG *default_value, LONG *flags)
 454 {
 455     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 456
 457     TRACE("filter %p, property %#x, min %p, max %p, step %p, default_value %p, flags %p.\n",
 458             filter, property, min, max, step, default_value, flags);
 459
 460     return capture_funcs->get_prop_range(filter->device, property, min,
 461             max, step, default_value, flags);
 462 }
 463
 464 static HRESULT WINAPI AMVideoProcAmp_Set(IAMVideoProcAmp *iface, LONG property,
 465         LONG value, LONG flags)
 466 {
 467     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 468
 469     TRACE("filter %p, property %#x, value %d, flags %#x.\n", filter, property, value, flags);
 470
 471     return capture_funcs->set_prop(filter->device, property, value, flags);
 472 }
 473
 474 static HRESULT WINAPI AMVideoProcAmp_Get(IAMVideoProcAmp *iface, LONG property,
 475         LONG *value, LONG *flags)
 476 {
 477     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 478
 479     TRACE("filter %p, property %#x, value %p, flags %p.\n", filter, property, value, flags);
 480
 481     return capture_funcs->get_prop(filter->device, property, value, flags);
 482 }
 483
 484 static const IAMVideoProcAmpVtbl IAMVideoProcAmp_VTable =
 485 {
 486     AMVideoProcAmp_QueryInterface,
 487     AMVideoProcAmp_AddRef,
 488     AMVideoProcAmp_Release,
 489     AMVideoProcAmp_GetRange,
 490     AMVideoProcAmp_Set,
 491     AMVideoProcAmp_Get,
 492 };
 493
 494 static HRESULT WINAPI PPB_QueryInterface(IPersistPropertyBag *iface, REFIID iid, void **out)
 495 {
 496     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 497     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 498 }
 499
 500 static ULONG WINAPI PPB_AddRef(IPersistPropertyBag * iface)
 501 {
 502     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 503     return IUnknown_AddRef(filter->filter.outer_unk);
 504 }
 505
 506 static ULONG WINAPI PPB_Release(IPersistPropertyBag * iface)
 507 {
 508     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 509     return IUnknown_Release(filter->filter.outer_unk);
 510 }
 511
 512 static HRESULT WINAPI
 513 PPB_GetClassID( IPersistPropertyBag * iface, CLSID * pClassID )
 514 {
 515     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 516
 517     FIXME("%p - stub\n", This);
 518
 519     return E_NOTIMPL;
 520 }
 521
 522 static HRESULT WINAPI PPB_InitNew(IPersistPropertyBag * iface)
 523 {
 524     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 525
 526     FIXME("%p - stub\n", This);
 527
 528     return E_NOTIMPL;
 529 }
 530
 531 static HRESULT WINAPI PPB_Load(IPersistPropertyBag *iface, IPropertyBag *bag, IErrorLog *error_log)
 532 {
 533     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 534     HRESULT hr;
 535     VARIANT var;
 536
 537     TRACE("filter %p, bag %p, error_log %p.\n", filter, bag, error_log);
 538
 539     V_VT(&var) = VT_I4;
 540     if (FAILED(hr = IPropertyBag_Read(bag, L"VFWIndex", &var, error_log)))
 541         return hr;
 542
 543     if (!(filter->device = capture_funcs->create(V_I4(&var))))
 544         return E_FAIL;
 545
 546     filter->init = TRUE;
 547     return S_OK;
 548 }
 549
 550 static HRESULT WINAPI
 551 PPB_Save( IPersistPropertyBag * iface, IPropertyBag *pPropBag,
 552           BOOL fClearDirty, BOOL fSaveAllProperties )
 553 {
 554     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 555     FIXME("%p - stub\n", This);
 556     return E_NOTIMPL;
 557 }
 558
 559 static const IPersistPropertyBagVtbl IPersistPropertyBag_VTable =
 560 {
 561     PPB_QueryInterface,
 562     PPB_AddRef,
 563     PPB_Release,
 564     PPB_GetClassID,
 565     PPB_InitNew,
 566     PPB_Load,
 567     PPB_Save
 568 };
 569
 570 /* IKsPropertySet interface */
 571 static inline struct vfw_capture *impl_from_IKsPropertySet(IKsPropertySet *iface)
 572 {
 573     return CONTAINING_RECORD(iface, struct vfw_capture, IKsPropertySet_iface);
 574 }
 575
 576 static HRESULT WINAPI KSP_QueryInterface(IKsPropertySet *iface, REFIID iid, void **out)
 577 {
 578     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 579     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 580 }
 581
 582 static ULONG WINAPI KSP_AddRef(IKsPropertySet * iface)
 583 {
 584     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 585     return IPin_AddRef(&filter->source.pin.IPin_iface);
 586 }
 587
 588 static ULONG WINAPI KSP_Release(IKsPropertySet * iface)
 589 {
 590     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 591     return IPin_Release(&filter->source.pin.IPin_iface);
 592 }
 593
 594 static HRESULT WINAPI
 595 KSP_Set( IKsPropertySet * iface, REFGUID guidPropSet, DWORD dwPropID,
 596          LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData,
 597          DWORD cbPropData )
 598 {
 599     FIXME("%p: stub\n", iface);
 600     return E_NOTIMPL;
 601 }
 602
 603 static HRESULT WINAPI
 604 KSP_Get( IKsPropertySet * iface, REFGUID guidPropSet, DWORD dwPropID,
 605          LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData,
 606          DWORD cbPropData, DWORD *pcbReturned )
 607 {
 608     LPGUID pGuid;
 609
 610     TRACE("()\n");
 611
 612     if (!IsEqualIID(guidPropSet, &AMPROPSETID_Pin))
 613         return E_PROP_SET_UNSUPPORTED;
 614     if (pPropData == NULL && pcbReturned == NULL)
 615         return E_POINTER;
 616     if (pcbReturned)
 617         *pcbReturned = sizeof(GUID);
 618     if (pPropData == NULL)
 619         return S_OK;
 620     if (cbPropData < sizeof(GUID))
 621         return E_UNEXPECTED;
 622     pGuid = pPropData;
 623     *pGuid = PIN_CATEGORY_CAPTURE;
 624     FIXME("() Not adding a pin with PIN_CATEGORY_PREVIEW\n");
 625     return S_OK;
 626 }
 627
 628 static HRESULT WINAPI
 629 KSP_QuerySupported( IKsPropertySet * iface, REFGUID guidPropSet,
 630                     DWORD dwPropID, DWORD *pTypeSupport )
 631 {
 632    FIXME("%p: stub\n", iface);
 633    return E_NOTIMPL;
 634 }
 635
 636 static const IKsPropertySetVtbl IKsPropertySet_VTable =
 637 {
 638    KSP_QueryInterface,
 639    KSP_AddRef,
 640    KSP_Release,
 641    KSP_Set,
 642    KSP_Get,
 643    KSP_QuerySupported
 644 };
 645
 646 static inline struct vfw_capture *impl_from_strmbase_pin(struct strmbase_pin *pin)
 647 {
 648     return CONTAINING_RECORD(pin, struct vfw_capture, source.pin);
 649 }
 650
 651 static HRESULT source_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
 652 {
 653     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
 654     return capture_funcs->check_format(filter->device, mt);
 655 }
 656
 657 static HRESULT source_get_media_type(struct strmbase_pin *pin,
 658         unsigned int index, AM_MEDIA_TYPE *mt)
 659 {
 660     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
 661     VIDEOINFOHEADER *format;
 662     HRESULT hr;
 663
 664     if (!(format = CoTaskMemAlloc(sizeof(*format))))
 665         return E_OUTOFMEMORY;
 666
 667     if ((hr = capture_funcs->get_media_type(filter->device, index, mt, format)) != S_OK)
 668     {
 669         CoTaskMemFree(format);
 670         return hr;
 671     }
 672     mt->cbFormat = sizeof(VIDEOINFOHEADER);
 673     mt->pbFormat = (BYTE *)format;
 674     return S_OK;
 675 }
 676
 677 static HRESULT source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 678 {
 679     struct vfw_capture *filter = impl_from_strmbase_pin(iface);
 680
 681     if (IsEqualGUID(iid, &IID_IKsPropertySet))
 682         *out = &filter->IKsPropertySet_iface;
 683     else if (IsEqualGUID(iid, &IID_IAMStreamConfig))
 684         *out = &filter->IAMStreamConfig_iface;
 685     else
 686         return E_NOINTERFACE;
 687
 688     IUnknown_AddRef((IUnknown *)*out);
 689     return S_OK;
 690 }
 691
 692 static HRESULT WINAPI VfwPin_DecideBufferSize(struct strmbase_source *iface,
 693         IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 694 {
 695     ALLOCATOR_PROPERTIES actual;
 696
 697     /* What we put here doesn't matter, the
 698        driver function should override it then commit */
 699     if (!ppropInputRequest->cBuffers)
 700         ppropInputRequest->cBuffers = 3;
 701     if (!ppropInputRequest->cbBuffer)
 702         ppropInputRequest->cbBuffer = 230400;
 703     if (!ppropInputRequest->cbAlign)
 704         ppropInputRequest->cbAlign = 1;
 705
 706     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 707 }
 708
 709 static const struct strmbase_source_ops source_ops =
 710 {
 711     .base.pin_query_accept = source_query_accept,
 712     .base.pin_get_media_type = source_get_media_type,
 713     .base.pin_query_interface = source_query_interface,
 714     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 715     .pfnDecideBufferSize = VfwPin_DecideBufferSize,
 716     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 717 };
 718
 719 static HRESULT WINAPI misc_flags_QueryInterface(IAMFilterMiscFlags *iface, REFIID riid, void **ppv)
 720 {
 721     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 722     return IUnknown_QueryInterface(filter->filter.outer_unk, riid, ppv);
 723 }
 724
 725 static ULONG WINAPI misc_flags_AddRef(IAMFilterMiscFlags *iface)
 726 {
 727     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 728     return IUnknown_AddRef(filter->filter.outer_unk);
 729 }
 730
 731 static ULONG WINAPI misc_flags_Release(IAMFilterMiscFlags *iface)
 732 {
 733     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 734     return IUnknown_Release(filter->filter.outer_unk);
 735 }
 736
 737 static ULONG WINAPI misc_flags_GetMiscFlags(IAMFilterMiscFlags *iface)
 738 {
 739     return AM_FILTER_MISC_FLAGS_IS_SOURCE;
 740 }
 741
 742 static const IAMFilterMiscFlagsVtbl IAMFilterMiscFlags_VTable =
 743 {
 744     misc_flags_QueryInterface,
 745     misc_flags_AddRef,
 746     misc_flags_Release,
 747     misc_flags_GetMiscFlags
 748 };
 749
 750 static HRESULT WINAPI video_control_QueryInterface(IAMVideoControl *iface, REFIID riid, void **ppv)
 751 {
 752     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 753     return IUnknown_QueryInterface(filter->filter.outer_unk, riid, ppv);
 754 }
 755
 756 static ULONG WINAPI video_control_AddRef(IAMVideoControl *iface)
 757 {
 758     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 759     return IUnknown_AddRef(filter->filter.outer_unk);
 760 }
 761
 762 static ULONG WINAPI video_control_Release(IAMVideoControl *iface)
 763 {
 764     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 765     return IUnknown_Release(filter->filter.outer_unk);
 766 }
 767
 768 static HRESULT WINAPI video_control_GetCaps(IAMVideoControl *iface, IPin *pin, LONG *flags)
 769 {
 770     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 771
 772     FIXME("filter %p, pin %p, flags %p: stub.\n", filter, pin, flags);
 773
 774     return E_NOTIMPL;
 775 }
 776
 777 static HRESULT WINAPI video_control_SetMode(IAMVideoControl *iface, IPin *pin, LONG mode)
 778 {
 779     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 780
 781     FIXME("filter %p, pin %p, mode %d: stub.\n", filter, pin, mode);
 782
 783     return E_NOTIMPL;
 784 }
 785
 786 static HRESULT WINAPI video_control_GetMode(IAMVideoControl *iface, IPin *pin, LONG *mode)
 787 {
 788     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 789
 790     FIXME("filter %p, pin %p, mode %p: stub.\n", filter, pin, mode);
 791
 792     return E_NOTIMPL;
 793 }
 794
 795 static HRESULT WINAPI video_control_GetCurrentActualFrameRate(IAMVideoControl *iface, IPin *pin,
 796         LONGLONG *frame_rate)
 797 {
 798     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 799
 800     FIXME("filter %p, pin %p, frame rate %p: stub.\n", filter, pin, frame_rate);
 801
 802     return E_NOTIMPL;
 803 }
 804
 805 static HRESULT WINAPI video_control_GetMaxAvailableFrameRate(IAMVideoControl *iface, IPin *pin,
 806         LONG index, SIZE dimensions, LONGLONG *frame_rate)
 807 {
 808     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 809
 810     FIXME("filter %p, pin %p, index %d, dimensions (%dx%d), frame rate %p: stub.\n",
 811             filter, pin, index, dimensions.cx, dimensions.cy, frame_rate);
 812
 813     return E_NOTIMPL;
 814 }
 815
 816 static HRESULT WINAPI video_control_GetFrameRateList(IAMVideoControl *iface, IPin *pin, LONG index,
 817         SIZE dimensions, LONG *list_size, LONGLONG **frame_rate)
 818 {
 819     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 820
 821     FIXME("filter %p, pin %p, index %d, dimensions (%dx%d), list size %p, frame rate: %p: stub.\n",
 822             filter, pin, index, dimensions.cx, dimensions.cy, list_size, frame_rate);
 823
 824     return E_NOTIMPL;
 825 }
 826
 827 static const IAMVideoControlVtbl IAMVideoControl_VTable =
 828 {
 829     video_control_QueryInterface,
 830     video_control_AddRef,
 831     video_control_Release,
 832     video_control_GetCaps,
 833     video_control_SetMode,
 834     video_control_GetMode,
 835     video_control_GetCurrentActualFrameRate,
 836     video_control_GetMaxAvailableFrameRate,
 837     video_control_GetFrameRateList
 838 };
 839
 840 static BOOL WINAPI load_capture_funcs(INIT_ONCE *once, void *param, void **context)
 841 {
 842     __wine_init_unix_lib(qcap_instance, DLL_PROCESS_ATTACH, NULL, &capture_funcs);
 843     return TRUE;
 844 }
 845
 846 static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
 847
 848 HRESULT vfw_capture_create(IUnknown *outer, IUnknown **out)
 849 {
 850     struct vfw_capture *object;
 851
 852     if (!InitOnceExecuteOnce(&init_once, load_capture_funcs, NULL, NULL) || !capture_funcs)
 853         return E_FAIL;
 854
 855     if (!(object = calloc(1, sizeof(*object))))
 856         return E_OUTOFMEMORY;
 857
 858     strmbase_filter_init(&object->filter, outer, &CLSID_VfwCapture, &filter_ops);
 859
 860     object->IAMStreamConfig_iface.lpVtbl = &IAMStreamConfig_VTable;
 861     object->IAMVideoControl_iface.lpVtbl = &IAMVideoControl_VTable;
 862     object->IAMVideoProcAmp_iface.lpVtbl = &IAMVideoProcAmp_VTable;
 863     object->IAMFilterMiscFlags_iface.lpVtbl = &IAMFilterMiscFlags_VTable;
 864     object->IPersistPropertyBag_iface.lpVtbl = &IPersistPropertyBag_VTable;
 865
 866     strmbase_source_init(&object->source, &object->filter, L"Output", &source_ops);
 867
 868     object->IKsPropertySet_iface.lpVtbl = &IKsPropertySet_VTable;
 869
 870     object->state = State_Stopped;
 871     InitializeConditionVariable(&object->state_cv);
 872     InitializeCriticalSection(&object->state_cs);
 873     object->state_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": vfw_capture.state_cs");
 874
 875     TRACE("Created VFW capture filter %p.\n", object);
 876     ObjectRefCount(TRUE);
 877     *out = &object->filter.IUnknown_inner;
 878     return S_OK;
 879 }