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(quartz);
  25
  26 #define V4L_CALL( func, params ) WINE_UNIX_CALL( unix_ ## func, params )
  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     video_capture_device_t 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     {
  99         struct destroy_params params = { filter->device };
 100         V4L_CALL( destroy, &params );
 101     }
 102
 103     if (filter->source.pin.peer)
 104     {
 105         IPin_Disconnect(filter->source.pin.peer);
 106         IPin_Disconnect(&filter->source.pin.IPin_iface);
 107     }
 108     filter->state_cs.DebugInfo->Spare[0] = 0;
 109     DeleteCriticalSection(&filter->state_cs);
 110     strmbase_source_cleanup(&filter->source);
 111     strmbase_filter_cleanup(&filter->filter);
 112     free(filter);
 113 }
 114
 115 static HRESULT vfw_capture_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
 116 {
 117     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 118
 119     if (IsEqualGUID(iid, &IID_IPersistPropertyBag))
 120         *out = &filter->IPersistPropertyBag_iface;
 121     else if (IsEqualGUID(iid, &IID_IAMVideoControl))
 122         *out = &filter->IAMVideoControl_iface;
 123     else if (IsEqualGUID(iid, &IID_IAMVideoProcAmp))
 124         *out = &filter->IAMVideoProcAmp_iface;
 125     else if (IsEqualGUID(iid, &IID_IAMFilterMiscFlags))
 126         *out = &filter->IAMFilterMiscFlags_iface;
 127     else
 128         return E_NOINTERFACE;
 129
 130     IUnknown_AddRef((IUnknown *)*out);
 131     return S_OK;
 132 }
 133
 134 static unsigned int get_image_size(struct vfw_capture *filter)
 135 {
 136     const VIDEOINFOHEADER *format = (const VIDEOINFOHEADER *)filter->source.pin.mt.pbFormat;
 137
 138     return format->bmiHeader.biWidth * format->bmiHeader.biHeight * format->bmiHeader.biBitCount / 8;
 139 }
 140
 141 static DWORD WINAPI stream_thread(void *arg)
 142 {
 143     struct vfw_capture *filter = arg;
 144     const unsigned int image_size = get_image_size(filter);
 145     struct read_frame_params params;
 146
 147     for (;;)
 148     {
 149         IMediaSample *sample;
 150         HRESULT hr;
 151         BYTE *data;
 152
 153         EnterCriticalSection(&filter->state_cs);
 154
 155         while (filter->state == State_Paused)
 156             SleepConditionVariableCS(&filter->state_cv, &filter->state_cs, INFINITE);
 157
 158         if (filter->state == State_Stopped)
 159         {
 160             LeaveCriticalSection(&filter->state_cs);
 161             break;
 162         }
 163
 164         LeaveCriticalSection(&filter->state_cs);
 165
 166         if (FAILED(hr = IMemAllocator_GetBuffer(filter->source.pAllocator, &sample, NULL, NULL, 0)))
 167         {
 168             ERR("Failed to get sample, hr %#lx.\n", hr);
 169             break;
 170         }
 171
 172         IMediaSample_SetActualDataLength(sample, image_size);
 173         IMediaSample_GetPointer(sample, &data);
 174
 175         params.device = filter->device;
 176         params.data = data;
 177         if (!V4L_CALL( read_frame, &params ))
 178         {
 179             IMediaSample_Release(sample);
 180             break;
 181         }
 182
 183         hr = IMemInputPin_Receive(filter->source.pMemInputPin, sample);
 184         IMediaSample_Release(sample);
 185         if (FAILED(hr))
 186         {
 187             ERR("IMemInputPin::Receive() returned %#lx.\n", hr);
 188             break;
 189         }
 190     }
 191
 192     return 0;
 193 }
 194
 195 static HRESULT vfw_capture_init_stream(struct strmbase_filter *iface)
 196 {
 197     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 198     HRESULT hr;
 199
 200     if (!filter->source.pin.peer)
 201         return S_OK;
 202
 203     if (FAILED(hr = IMemAllocator_Commit(filter->source.pAllocator)))
 204         ERR("Failed to commit allocator, hr %#lx.\n", hr);
 205
 206     EnterCriticalSection(&filter->state_cs);
 207     filter->state = State_Paused;
 208     LeaveCriticalSection(&filter->state_cs);
 209
 210     filter->thread = CreateThread(NULL, 0, stream_thread, filter, 0, NULL);
 211
 212     return S_OK;
 213 }
 214
 215 static HRESULT vfw_capture_start_stream(struct strmbase_filter *iface, REFERENCE_TIME time)
 216 {
 217     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 218
 219     if (!filter->source.pin.peer)
 220         return S_OK;
 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     if (!filter->source.pin.peer)
 234         return S_OK;
 235
 236     EnterCriticalSection(&filter->state_cs);
 237     filter->state = State_Paused;
 238     LeaveCriticalSection(&filter->state_cs);
 239     return S_OK;
 240 }
 241
 242 static HRESULT vfw_capture_cleanup_stream(struct strmbase_filter *iface)
 243 {
 244     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 245     HRESULT hr;
 246
 247     if (!filter->source.pin.peer)
 248         return S_OK;
 249
 250     EnterCriticalSection(&filter->state_cs);
 251     filter->state = State_Stopped;
 252     LeaveCriticalSection(&filter->state_cs);
 253     WakeConditionVariable(&filter->state_cv);
 254
 255     WaitForSingleObject(filter->thread, INFINITE);
 256     CloseHandle(filter->thread);
 257     filter->thread = NULL;
 258
 259     hr = IMemAllocator_Decommit(filter->source.pAllocator);
 260     if (hr != S_OK && hr != VFW_E_NOT_COMMITTED)
 261         ERR("Failed to decommit allocator, hr %#lx.\n", hr);
 262
 263     return S_OK;
 264 }
 265
 266 static HRESULT vfw_capture_wait_state(struct strmbase_filter *iface, DWORD timeout)
 267 {
 268     struct vfw_capture *filter = impl_from_strmbase_filter(iface);
 269
 270     if (filter->source.pin.peer && filter->filter.state == State_Paused)
 271         return VFW_S_CANT_CUE;
 272     return S_OK;
 273 }
 274
 275 static const struct strmbase_filter_ops filter_ops =
 276 {
 277     .filter_get_pin = vfw_capture_get_pin,
 278     .filter_destroy = vfw_capture_destroy,
 279     .filter_query_interface = vfw_capture_query_interface,
 280     .filter_init_stream = vfw_capture_init_stream,
 281     .filter_start_stream = vfw_capture_start_stream,
 282     .filter_stop_stream = vfw_capture_stop_stream,
 283     .filter_cleanup_stream = vfw_capture_cleanup_stream,
 284     .filter_wait_state = vfw_capture_wait_state,
 285 };
 286
 287 static HRESULT WINAPI AMStreamConfig_QueryInterface(IAMStreamConfig *iface, REFIID iid, void **out)
 288 {
 289     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 290     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 291 }
 292
 293 static ULONG WINAPI AMStreamConfig_AddRef(IAMStreamConfig *iface)
 294 {
 295     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 296     return IPin_AddRef(&filter->source.pin.IPin_iface);
 297 }
 298
 299 static ULONG WINAPI AMStreamConfig_Release(IAMStreamConfig *iface)
 300 {
 301     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 302     return IPin_Release(&filter->source.pin.IPin_iface);
 303 }
 304
 305 static HRESULT WINAPI
 306 AMStreamConfig_SetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE *pmt)
 307 {
 308     struct vfw_capture *This = impl_from_IAMStreamConfig(iface);
 309     struct set_format_params params;
 310     HRESULT hr;
 311
 312     TRACE("filter %p, mt %p.\n", This, pmt);
 313     strmbase_dump_media_type(pmt);
 314
 315     if (This->filter.state != State_Stopped)
 316     {
 317         TRACE("Returning not stopped error\n");
 318         return VFW_E_NOT_STOPPED;
 319     }
 320
 321     if (!pmt)
 322     {
 323         TRACE("pmt is NULL\n");
 324         return E_POINTER;
 325     }
 326
 327     if (!IsEqualGUID(&pmt->majortype, &MEDIATYPE_Video))
 328         return E_FAIL;
 329
 330     if (This->source.pin.peer)
 331     {
 332         hr = IPin_QueryAccept(This->source.pin.peer, pmt);
 333         TRACE("QueryAccept() returned %#lx.\n", hr);
 334         if (hr == S_FALSE)
 335             return VFW_E_INVALIDMEDIATYPE;
 336     }
 337
 338     params.device = This->device;
 339     params.mt = pmt;
 340     hr = V4L_CALL( set_format, &params );
 341     if (SUCCEEDED(hr) && This->filter.graph && This->source.pin.peer)
 342     {
 343         hr = IFilterGraph_Reconnect(This->filter.graph, &This->source.pin.IPin_iface);
 344         if (SUCCEEDED(hr))
 345             TRACE("Reconnection completed, with new media format..\n");
 346     }
 347     TRACE("Returning %#lx.\n", hr);
 348     return hr;
 349 }
 350
 351 static HRESULT WINAPI AMStreamConfig_GetFormat(IAMStreamConfig *iface, AM_MEDIA_TYPE **mt)
 352 {
 353     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 354     VIDEOINFOHEADER *format;
 355     HRESULT hr;
 356
 357     TRACE("filter %p, mt %p.\n", filter, mt);
 358
 359     if (!(*mt = CoTaskMemAlloc(sizeof(**mt))))
 360         return E_OUTOFMEMORY;
 361
 362     EnterCriticalSection(&filter->filter.filter_cs);
 363
 364     if (filter->source.pin.peer)
 365     {
 366         hr = CopyMediaType(*mt, &filter->source.pin.mt);
 367     }
 368     else
 369     {
 370         if ((format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
 371         {
 372             struct get_format_params params = { filter->device, *mt, format };
 373             V4L_CALL( get_format, &params );
 374             (*mt)->cbFormat = sizeof(VIDEOINFOHEADER);
 375             (*mt)->pbFormat = (BYTE *)format;
 376             hr = S_OK;
 377         }
 378         else
 379         {
 380             hr = E_OUTOFMEMORY;
 381         }
 382     }
 383
 384     LeaveCriticalSection(&filter->filter.filter_cs);
 385
 386     if (SUCCEEDED(hr))
 387         strmbase_dump_media_type(*mt);
 388     else
 389         CoTaskMemFree(*mt);
 390     return hr;
 391 }
 392
 393 static HRESULT WINAPI AMStreamConfig_GetNumberOfCapabilities(IAMStreamConfig *iface,
 394         int *count, int *size)
 395 {
 396     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 397     struct get_caps_count_params params = { filter->device, count };
 398
 399     TRACE("filter %p, count %p, size %p.\n", filter, count, size);
 400
 401     if (!count || !size)
 402         return E_POINTER;
 403
 404     V4L_CALL( get_caps_count, &params );
 405     *size = sizeof(VIDEO_STREAM_CONFIG_CAPS);
 406
 407     return S_OK;
 408 }
 409
 410 static HRESULT WINAPI AMStreamConfig_GetStreamCaps(IAMStreamConfig *iface,
 411         int index, AM_MEDIA_TYPE **pmt, BYTE *vscc)
 412 {
 413     struct vfw_capture *filter = impl_from_IAMStreamConfig(iface);
 414     VIDEOINFOHEADER *format;
 415     AM_MEDIA_TYPE *mt;
 416     int count;
 417     struct get_caps_count_params count_params = { filter->device, &count };
 418     struct get_caps_params caps_params;
 419
 420     TRACE("filter %p, index %d, pmt %p, vscc %p.\n", filter, index, pmt, vscc);
 421
 422     V4L_CALL( get_caps_count, &count_params );
 423     if (index > count)
 424         return S_FALSE;
 425
 426     if (!(mt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
 427         return E_OUTOFMEMORY;
 428
 429     if (!(format = CoTaskMemAlloc(sizeof(VIDEOINFOHEADER))))
 430     {
 431         CoTaskMemFree(mt);
 432         return E_OUTOFMEMORY;
 433     }
 434
 435     caps_params.device = filter->device;
 436     caps_params.index  = index;
 437     caps_params.mt     = mt;
 438     caps_params.format = format;
 439     caps_params.caps   = (VIDEO_STREAM_CONFIG_CAPS *)vscc;
 440     V4L_CALL( get_caps, &caps_params );
 441     mt->cbFormat = sizeof(VIDEOINFOHEADER);
 442     mt->pbFormat = (BYTE *)format;
 443     *pmt = mt;
 444     return S_OK;
 445 }
 446
 447 static const IAMStreamConfigVtbl IAMStreamConfig_VTable =
 448 {
 449     AMStreamConfig_QueryInterface,
 450     AMStreamConfig_AddRef,
 451     AMStreamConfig_Release,
 452     AMStreamConfig_SetFormat,
 453     AMStreamConfig_GetFormat,
 454     AMStreamConfig_GetNumberOfCapabilities,
 455     AMStreamConfig_GetStreamCaps
 456 };
 457
 458 static HRESULT WINAPI AMVideoProcAmp_QueryInterface(IAMVideoProcAmp *iface, REFIID iid, void **out)
 459 {
 460     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 461     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 462 }
 463
 464 static ULONG WINAPI AMVideoProcAmp_AddRef(IAMVideoProcAmp * iface)
 465 {
 466     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 467     return IUnknown_AddRef(filter->filter.outer_unk);
 468 }
 469
 470 static ULONG WINAPI AMVideoProcAmp_Release(IAMVideoProcAmp * iface)
 471 {
 472     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 473     return IUnknown_Release(filter->filter.outer_unk);
 474 }
 475
 476 static HRESULT WINAPI AMVideoProcAmp_GetRange(IAMVideoProcAmp *iface, LONG property,
 477         LONG *min, LONG *max, LONG *step, LONG *default_value, LONG *flags)
 478 {
 479     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 480     struct get_prop_range_params params = { filter->device, property, min, max, step, default_value, flags };
 481
 482     TRACE("filter %p, property %#lx, min %p, max %p, step %p, default_value %p, flags %p.\n",
 483             filter, property, min, max, step, default_value, flags);
 484
 485     return V4L_CALL( get_prop_range, &params );
 486 }
 487
 488 static HRESULT WINAPI AMVideoProcAmp_Set(IAMVideoProcAmp *iface, LONG property,
 489         LONG value, LONG flags)
 490 {
 491     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 492     struct set_prop_params params = { filter->device, property, value, flags };
 493
 494     TRACE("filter %p, property %#lx, value %ld, flags %#lx.\n", filter, property, value, flags);
 495
 496     return V4L_CALL( set_prop, &params );
 497 }
 498
 499 static HRESULT WINAPI AMVideoProcAmp_Get(IAMVideoProcAmp *iface, LONG property,
 500         LONG *value, LONG *flags)
 501 {
 502     struct vfw_capture *filter = impl_from_IAMVideoProcAmp(iface);
 503     struct get_prop_params params = { filter->device, property, value, flags };
 504
 505     TRACE("filter %p, property %#lx, value %p, flags %p.\n", filter, property, value, flags);
 506
 507     return V4L_CALL( get_prop, &params );
 508 }
 509
 510 static const IAMVideoProcAmpVtbl IAMVideoProcAmp_VTable =
 511 {
 512     AMVideoProcAmp_QueryInterface,
 513     AMVideoProcAmp_AddRef,
 514     AMVideoProcAmp_Release,
 515     AMVideoProcAmp_GetRange,
 516     AMVideoProcAmp_Set,
 517     AMVideoProcAmp_Get,
 518 };
 519
 520 static HRESULT WINAPI PPB_QueryInterface(IPersistPropertyBag *iface, REFIID iid, void **out)
 521 {
 522     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 523     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 524 }
 525
 526 static ULONG WINAPI PPB_AddRef(IPersistPropertyBag * iface)
 527 {
 528     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 529     return IUnknown_AddRef(filter->filter.outer_unk);
 530 }
 531
 532 static ULONG WINAPI PPB_Release(IPersistPropertyBag * iface)
 533 {
 534     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 535     return IUnknown_Release(filter->filter.outer_unk);
 536 }
 537
 538 static HRESULT WINAPI
 539 PPB_GetClassID( IPersistPropertyBag * iface, CLSID * pClassID )
 540 {
 541     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 542
 543     FIXME("%p - stub\n", This);
 544
 545     return E_NOTIMPL;
 546 }
 547
 548 static HRESULT WINAPI PPB_InitNew(IPersistPropertyBag * iface)
 549 {
 550     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 551
 552     FIXME("%p - stub\n", This);
 553
 554     return E_NOTIMPL;
 555 }
 556
 557 static HRESULT WINAPI PPB_Load(IPersistPropertyBag *iface, IPropertyBag *bag, IErrorLog *error_log)
 558 {
 559     struct vfw_capture *filter = impl_from_IPersistPropertyBag(iface);
 560     struct create_params params;
 561     HRESULT hr;
 562     VARIANT var;
 563
 564     TRACE("filter %p, bag %p, error_log %p.\n", filter, bag, error_log);
 565
 566     V_VT(&var) = VT_I4;
 567     if (FAILED(hr = IPropertyBag_Read(bag, L"VFWIndex", &var, error_log)))
 568         return hr;
 569
 570     params.index = V_I4(&var);
 571     params.device = &filter->device;
 572     hr = V4L_CALL( create, &params );
 573
 574     if (SUCCEEDED(hr)) filter->init = TRUE;
 575     return hr;
 576 }
 577
 578 static HRESULT WINAPI
 579 PPB_Save( IPersistPropertyBag * iface, IPropertyBag *pPropBag,
 580           BOOL fClearDirty, BOOL fSaveAllProperties )
 581 {
 582     struct vfw_capture *This = impl_from_IPersistPropertyBag(iface);
 583     FIXME("%p - stub\n", This);
 584     return E_NOTIMPL;
 585 }
 586
 587 static const IPersistPropertyBagVtbl IPersistPropertyBag_VTable =
 588 {
 589     PPB_QueryInterface,
 590     PPB_AddRef,
 591     PPB_Release,
 592     PPB_GetClassID,
 593     PPB_InitNew,
 594     PPB_Load,
 595     PPB_Save
 596 };
 597
 598 /* IKsPropertySet interface */
 599 static inline struct vfw_capture *impl_from_IKsPropertySet(IKsPropertySet *iface)
 600 {
 601     return CONTAINING_RECORD(iface, struct vfw_capture, IKsPropertySet_iface);
 602 }
 603
 604 static HRESULT WINAPI KSP_QueryInterface(IKsPropertySet *iface, REFIID iid, void **out)
 605 {
 606     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 607     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 608 }
 609
 610 static ULONG WINAPI KSP_AddRef(IKsPropertySet * iface)
 611 {
 612     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 613     return IPin_AddRef(&filter->source.pin.IPin_iface);
 614 }
 615
 616 static ULONG WINAPI KSP_Release(IKsPropertySet * iface)
 617 {
 618     struct vfw_capture *filter = impl_from_IKsPropertySet(iface);
 619     return IPin_Release(&filter->source.pin.IPin_iface);
 620 }
 621
 622 static HRESULT WINAPI
 623 KSP_Set( IKsPropertySet * iface, REFGUID guidPropSet, DWORD dwPropID,
 624          LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData,
 625          DWORD cbPropData )
 626 {
 627     FIXME("%p: stub\n", iface);
 628     return E_NOTIMPL;
 629 }
 630
 631 static HRESULT WINAPI
 632 KSP_Get( IKsPropertySet * iface, REFGUID guidPropSet, DWORD dwPropID,
 633          LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData,
 634          DWORD cbPropData, DWORD *pcbReturned )
 635 {
 636     LPGUID pGuid;
 637
 638     TRACE("()\n");
 639
 640     if (!IsEqualIID(guidPropSet, &AMPROPSETID_Pin))
 641         return E_PROP_SET_UNSUPPORTED;
 642     if (pPropData == NULL && pcbReturned == NULL)
 643         return E_POINTER;
 644     if (pcbReturned)
 645         *pcbReturned = sizeof(GUID);
 646     if (pPropData == NULL)
 647         return S_OK;
 648     if (cbPropData < sizeof(GUID))
 649         return E_UNEXPECTED;
 650     pGuid = pPropData;
 651     *pGuid = PIN_CATEGORY_CAPTURE;
 652     FIXME("() Not adding a pin with PIN_CATEGORY_PREVIEW\n");
 653     return S_OK;
 654 }
 655
 656 static HRESULT WINAPI
 657 KSP_QuerySupported( IKsPropertySet * iface, REFGUID guidPropSet,
 658                     DWORD dwPropID, DWORD *pTypeSupport )
 659 {
 660    FIXME("%p: stub\n", iface);
 661    return E_NOTIMPL;
 662 }
 663
 664 static const IKsPropertySetVtbl IKsPropertySet_VTable =
 665 {
 666    KSP_QueryInterface,
 667    KSP_AddRef,
 668    KSP_Release,
 669    KSP_Set,
 670    KSP_Get,
 671    KSP_QuerySupported
 672 };
 673
 674 static inline struct vfw_capture *impl_from_strmbase_pin(struct strmbase_pin *pin)
 675 {
 676     return CONTAINING_RECORD(pin, struct vfw_capture, source.pin);
 677 }
 678
 679 static HRESULT source_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
 680 {
 681     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
 682     struct check_format_params params = { filter->device, mt };
 683
 684     if (!mt) return E_POINTER;
 685     return V4L_CALL( check_format, &params );
 686 }
 687
 688 static HRESULT source_get_media_type(struct strmbase_pin *pin,
 689         unsigned int index, AM_MEDIA_TYPE *mt)
 690 {
 691     struct vfw_capture *filter = impl_from_strmbase_pin(pin);
 692     struct get_media_type_params params;
 693     VIDEOINFOHEADER *format;
 694     HRESULT hr;
 695
 696     if (!(format = CoTaskMemAlloc(sizeof(*format))))
 697         return E_OUTOFMEMORY;
 698
 699     params.device = filter->device;
 700     params.index  = index;
 701     params.mt     = mt;
 702     params.format = format;
 703     if ((hr = V4L_CALL( get_media_type, &params )) != S_OK)
 704     {
 705         CoTaskMemFree(format);
 706         return hr;
 707     }
 708     mt->cbFormat = sizeof(VIDEOINFOHEADER);
 709     mt->pbFormat = (BYTE *)format;
 710     return S_OK;
 711 }
 712
 713 static HRESULT source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 714 {
 715     struct vfw_capture *filter = impl_from_strmbase_pin(iface);
 716
 717     if (IsEqualGUID(iid, &IID_IKsPropertySet))
 718         *out = &filter->IKsPropertySet_iface;
 719     else if (IsEqualGUID(iid, &IID_IAMStreamConfig))
 720         *out = &filter->IAMStreamConfig_iface;
 721     else
 722         return E_NOINTERFACE;
 723
 724     IUnknown_AddRef((IUnknown *)*out);
 725     return S_OK;
 726 }
 727
 728 static HRESULT WINAPI VfwPin_DecideBufferSize(struct strmbase_source *iface,
 729         IMemAllocator *allocator, ALLOCATOR_PROPERTIES *req_props)
 730 {
 731     struct vfw_capture *filter = impl_from_strmbase_pin(&iface->pin);
 732     ALLOCATOR_PROPERTIES ret_props;
 733
 734     if (!req_props->cBuffers)
 735         req_props->cBuffers = 3;
 736     if (!req_props->cbBuffer)
 737         req_props->cbBuffer = get_image_size(filter);
 738     if (!req_props->cbAlign)
 739         req_props->cbAlign = 1;
 740
 741     return IMemAllocator_SetProperties(allocator, req_props, &ret_props);
 742 }
 743
 744 static const struct strmbase_source_ops source_ops =
 745 {
 746     .base.pin_query_accept = source_query_accept,
 747     .base.pin_get_media_type = source_get_media_type,
 748     .base.pin_query_interface = source_query_interface,
 749     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 750     .pfnDecideBufferSize = VfwPin_DecideBufferSize,
 751     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 752 };
 753
 754 static HRESULT WINAPI misc_flags_QueryInterface(IAMFilterMiscFlags *iface, REFIID riid, void **ppv)
 755 {
 756     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 757     return IUnknown_QueryInterface(filter->filter.outer_unk, riid, ppv);
 758 }
 759
 760 static ULONG WINAPI misc_flags_AddRef(IAMFilterMiscFlags *iface)
 761 {
 762     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 763     return IUnknown_AddRef(filter->filter.outer_unk);
 764 }
 765
 766 static ULONG WINAPI misc_flags_Release(IAMFilterMiscFlags *iface)
 767 {
 768     struct vfw_capture *filter = impl_from_IAMFilterMiscFlags(iface);
 769     return IUnknown_Release(filter->filter.outer_unk);
 770 }
 771
 772 static ULONG WINAPI misc_flags_GetMiscFlags(IAMFilterMiscFlags *iface)
 773 {
 774     return AM_FILTER_MISC_FLAGS_IS_SOURCE;
 775 }
 776
 777 static const IAMFilterMiscFlagsVtbl IAMFilterMiscFlags_VTable =
 778 {
 779     misc_flags_QueryInterface,
 780     misc_flags_AddRef,
 781     misc_flags_Release,
 782     misc_flags_GetMiscFlags
 783 };
 784
 785 static HRESULT WINAPI video_control_QueryInterface(IAMVideoControl *iface, REFIID riid, void **ppv)
 786 {
 787     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 788     return IUnknown_QueryInterface(filter->filter.outer_unk, riid, ppv);
 789 }
 790
 791 static ULONG WINAPI video_control_AddRef(IAMVideoControl *iface)
 792 {
 793     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 794     return IUnknown_AddRef(filter->filter.outer_unk);
 795 }
 796
 797 static ULONG WINAPI video_control_Release(IAMVideoControl *iface)
 798 {
 799     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 800     return IUnknown_Release(filter->filter.outer_unk);
 801 }
 802
 803 static HRESULT WINAPI video_control_GetCaps(IAMVideoControl *iface, IPin *pin, LONG *flags)
 804 {
 805     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 806
 807     FIXME("filter %p, pin %p, flags %p: stub.\n", filter, pin, flags);
 808
 809     return E_NOTIMPL;
 810 }
 811
 812 static HRESULT WINAPI video_control_SetMode(IAMVideoControl *iface, IPin *pin, LONG mode)
 813 {
 814     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 815
 816     FIXME("filter %p, pin %p, mode %ld, stub.\n", filter, pin, mode);
 817
 818     return E_NOTIMPL;
 819 }
 820
 821 static HRESULT WINAPI video_control_GetMode(IAMVideoControl *iface, IPin *pin, LONG *mode)
 822 {
 823     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 824
 825     FIXME("filter %p, pin %p, mode %p: stub.\n", filter, pin, mode);
 826
 827     return E_NOTIMPL;
 828 }
 829
 830 static HRESULT WINAPI video_control_GetCurrentActualFrameRate(IAMVideoControl *iface, IPin *pin,
 831         LONGLONG *frame_rate)
 832 {
 833     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 834
 835     FIXME("filter %p, pin %p, frame rate %p: stub.\n", filter, pin, frame_rate);
 836
 837     return E_NOTIMPL;
 838 }
 839
 840 static HRESULT WINAPI video_control_GetMaxAvailableFrameRate(IAMVideoControl *iface, IPin *pin,
 841         LONG index, SIZE dimensions, LONGLONG *frame_rate)
 842 {
 843     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 844
 845     FIXME("filter %p, pin %p, index %ld, dimensions (%ldx%ld), frame rate %p, stub.\n",
 846             filter, pin, index, dimensions.cx, dimensions.cy, frame_rate);
 847
 848     return E_NOTIMPL;
 849 }
 850
 851 static HRESULT WINAPI video_control_GetFrameRateList(IAMVideoControl *iface, IPin *pin, LONG index,
 852         SIZE dimensions, LONG *list_size, LONGLONG **frame_rate)
 853 {
 854     struct vfw_capture *filter = impl_from_IAMVideoControl(iface);
 855
 856     FIXME("filter %p, pin %p, index %ld, dimensions (%ldx%ld), list size %p, frame rate %p, stub.\n",
 857             filter, pin, index, dimensions.cx, dimensions.cy, list_size, frame_rate);
 858
 859     return E_NOTIMPL;
 860 }
 861
 862 static const IAMVideoControlVtbl IAMVideoControl_VTable =
 863 {
 864     video_control_QueryInterface,
 865     video_control_AddRef,
 866     video_control_Release,
 867     video_control_GetCaps,
 868     video_control_SetMode,
 869     video_control_GetMode,
 870     video_control_GetCurrentActualFrameRate,
 871     video_control_GetMaxAvailableFrameRate,
 872     video_control_GetFrameRateList
 873 };
 874
 875 static BOOL WINAPI load_capture_funcs(INIT_ONCE *once, void *param, void **context)
 876 {
 877     __wine_init_unix_call();
 878     return TRUE;
 879 }
 880
 881 static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
 882
 883 HRESULT vfw_capture_create(IUnknown *outer, IUnknown **out)
 884 {
 885     struct vfw_capture *object;
 886
 887     if (!InitOnceExecuteOnce(&init_once, load_capture_funcs, NULL, NULL) || !__wine_unixlib_handle)
 888         return E_FAIL;
 889
 890     if (!(object = calloc(1, sizeof(*object))))
 891         return E_OUTOFMEMORY;
 892
 893     strmbase_filter_init(&object->filter, outer, &CLSID_VfwCapture, &filter_ops);
 894
 895     object->IAMStreamConfig_iface.lpVtbl = &IAMStreamConfig_VTable;
 896     object->IAMVideoControl_iface.lpVtbl = &IAMVideoControl_VTable;
 897     object->IAMVideoProcAmp_iface.lpVtbl = &IAMVideoProcAmp_VTable;
 898     object->IAMFilterMiscFlags_iface.lpVtbl = &IAMFilterMiscFlags_VTable;
 899     object->IPersistPropertyBag_iface.lpVtbl = &IPersistPropertyBag_VTable;
 900
 901     strmbase_source_init(&object->source, &object->filter, L"Output", &source_ops);
 902
 903     object->IKsPropertySet_iface.lpVtbl = &IKsPropertySet_VTable;
 904
 905     object->state = State_Stopped;
 906     InitializeConditionVariable(&object->state_cv);
 907     InitializeCriticalSectionEx(&object->state_cs, 0, RTL_CRITICAL_SECTION_FLAG_FORCE_DEBUG_INFO);
 908     object->state_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": vfw_capture.state_cs");
 909
 910     TRACE("Created VFW capture filter %p.\n", object);
 911     *out = &object->filter.IUnknown_inner;
 912     return S_OK;
 913 }