dlls/qasf/dmowrapper.c

   1 /*
   2  * DMO wrapper filter
   3  *
   4  * Copyright (C) 2019 Zebediah Figura
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "qasf_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(qasf);
  24
  25 struct buffer
  26 {
  27     IMediaBuffer IMediaBuffer_iface;
  28     IMediaSample *sample;
  29 };
  30
  31 struct dmo_wrapper_source
  32 {
  33     struct strmbase_source pin;
  34     struct buffer buffer;
  35     struct strmbase_passthrough passthrough;
  36 };
  37
  38 struct dmo_wrapper
  39 {
  40     struct strmbase_filter filter;
  41     IDMOWrapperFilter IDMOWrapperFilter_iface;
  42
  43     IUnknown *dmo;
  44
  45     DWORD sink_count, source_count;
  46     struct strmbase_sink *sinks;
  47     struct dmo_wrapper_source *sources;
  48     DMO_OUTPUT_DATA_BUFFER *buffers;
  49     struct buffer input_buffer;
  50 };
  51
  52 static struct buffer *impl_from_IMediaBuffer(IMediaBuffer *iface)
  53 {
  54     return CONTAINING_RECORD(iface, struct buffer, IMediaBuffer_iface);
  55 }
  56
  57 static HRESULT WINAPI buffer_QueryInterface(IMediaBuffer *iface, REFIID iid, void **out)
  58 {
  59     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  60
  61     if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IMediaBuffer))
  62     {
  63         IMediaBuffer_AddRef(iface);
  64         *out = iface;
  65         return S_OK;
  66     }
  67
  68     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
  69     *out = NULL;
  70     return E_NOINTERFACE;
  71 }
  72
  73 static ULONG WINAPI buffer_AddRef(IMediaBuffer *iface)
  74 {
  75     TRACE("iface %p.\n", iface);
  76     return 2;
  77 }
  78
  79 static ULONG WINAPI buffer_Release(IMediaBuffer *iface)
  80 {
  81     TRACE("iface %p.\n", iface);
  82     return 1;
  83 }
  84
  85 static HRESULT WINAPI buffer_SetLength(IMediaBuffer *iface, DWORD len)
  86 {
  87     struct buffer *buffer = impl_from_IMediaBuffer(iface);
  88
  89     TRACE("iface %p, len %u.\n", iface, len);
  90
  91     return IMediaSample_SetActualDataLength(buffer->sample, len);
  92 }
  93
  94 static HRESULT WINAPI buffer_GetMaxLength(IMediaBuffer *iface, DWORD *len)
  95 {
  96     struct buffer *buffer = impl_from_IMediaBuffer(iface);
  97
  98     TRACE("iface %p, len %p.\n", iface, len);
  99
 100     *len = IMediaSample_GetSize(buffer->sample);
 101     return S_OK;
 102 }
 103
 104 static HRESULT WINAPI buffer_GetBufferAndLength(IMediaBuffer *iface, BYTE **data, DWORD *len)
 105 {
 106     struct buffer *buffer = impl_from_IMediaBuffer(iface);
 107
 108     TRACE("iface %p, data %p, len %p.\n", iface, data, len);
 109
 110     *len = IMediaSample_GetActualDataLength(buffer->sample);
 111     return IMediaSample_GetPointer(buffer->sample, data);
 112 }
 113
 114 static const IMediaBufferVtbl buffer_vtbl =
 115 {
 116     buffer_QueryInterface,
 117     buffer_AddRef,
 118     buffer_Release,
 119     buffer_SetLength,
 120     buffer_GetMaxLength,
 121     buffer_GetBufferAndLength,
 122 };
 123
 124 static inline struct dmo_wrapper *impl_from_strmbase_filter(struct strmbase_filter *iface)
 125 {
 126     return CONTAINING_RECORD(iface, struct dmo_wrapper, filter);
 127 }
 128
 129 static inline struct strmbase_sink *impl_sink_from_strmbase_pin(struct strmbase_pin *iface)
 130 {
 131     return CONTAINING_RECORD(iface, struct strmbase_sink, pin);
 132 }
 133
 134 static HRESULT dmo_wrapper_sink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 135 {
 136     struct strmbase_sink *sink = impl_sink_from_strmbase_pin(iface);
 137
 138     if (IsEqualGUID(iid, &IID_IMemInputPin))
 139         *out = &sink->IMemInputPin_iface;
 140     else
 141         return E_NOINTERFACE;
 142
 143     IUnknown_AddRef((IUnknown *)*out);
 144     return S_OK;
 145 }
 146
 147 static HRESULT dmo_wrapper_sink_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
 148 {
 149     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 150     IMediaObject *dmo;
 151     HRESULT hr;
 152
 153     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 154
 155     hr = IMediaObject_SetInputType(dmo, impl_sink_from_strmbase_pin(iface) - filter->sinks,
 156             (const DMO_MEDIA_TYPE *)mt, DMO_SET_TYPEF_TEST_ONLY);
 157
 158     IMediaObject_Release(dmo);
 159
 160     return hr;
 161 }
 162
 163 static HRESULT dmo_wrapper_sink_get_media_type(struct strmbase_pin *iface, unsigned int index, AM_MEDIA_TYPE *mt)
 164 {
 165     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 166     IMediaObject *dmo;
 167     HRESULT hr;
 168
 169     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 170
 171     hr = IMediaObject_GetInputType(dmo, impl_sink_from_strmbase_pin(iface) - filter->sinks,
 172             index, (DMO_MEDIA_TYPE *)mt);
 173
 174     IMediaObject_Release(dmo);
 175
 176     return hr == S_OK ? S_OK : VFW_S_NO_MORE_ITEMS;
 177 }
 178
 179 static HRESULT dmo_wrapper_sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
 180 {
 181     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 182     IMediaObject *dmo;
 183     HRESULT hr;
 184
 185     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 186
 187     hr = IMediaObject_SetInputType(dmo, iface - filter->sinks, (const DMO_MEDIA_TYPE *)mt, 0);
 188
 189     IMediaObject_Release(dmo);
 190     return hr;
 191 }
 192
 193 static void dmo_wrapper_sink_disconnect(struct strmbase_sink *iface)
 194 {
 195     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 196     IMediaObject *dmo;
 197
 198     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 199
 200     IMediaObject_SetInputType(dmo, iface - filter->sinks, NULL, DMO_SET_TYPEF_CLEAR);
 201
 202     IMediaObject_Release(dmo);
 203 }
 204
 205 static HRESULT process_output(struct dmo_wrapper *filter, IMediaObject *dmo)
 206 {
 207     DMO_OUTPUT_DATA_BUFFER *buffers = filter->buffers;
 208     DWORD status, i;
 209     BOOL more_data;
 210     HRESULT hr;
 211
 212     for (i = 0; i < filter->source_count; ++i)
 213     {
 214         if (filter->sources[i].pin.pin.peer)
 215         {
 216             if (FAILED(hr = IMemAllocator_GetBuffer(filter->sources[i].pin.pAllocator,
 217                     &filter->sources[i].buffer.sample, NULL, NULL, 0)))
 218             {
 219                 ERR("Failed to get sample, hr %#x.\n", hr);
 220                 goto out;
 221             }
 222             buffers[i].pBuffer = &filter->sources[i].buffer.IMediaBuffer_iface;
 223             IMediaSample_SetActualDataLength(filter->sources[i].buffer.sample, 0);
 224         }
 225         else
 226             buffers[i].pBuffer = NULL;
 227     }
 228
 229     do
 230     {
 231         more_data = FALSE;
 232
 233         hr = IMediaObject_ProcessOutput(dmo, DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER,
 234                 filter->source_count, buffers, &status);
 235         if (hr != S_OK)
 236             break;
 237
 238         for (i = 0; i < filter->source_count; ++i)
 239         {
 240             IMediaSample *sample = filter->sources[i].buffer.sample;
 241
 242             if (!buffers[i].pBuffer)
 243                 continue;
 244
 245             if (buffers[i].dwStatus & DMO_OUTPUT_DATA_BUFFERF_INCOMPLETE)
 246                 more_data = TRUE;
 247
 248             if (buffers[i].dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIME)
 249             {
 250                 if (buffers[i].dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH)
 251                 {
 252                     REFERENCE_TIME stop = buffers[i].rtTimestamp + buffers[i].rtTimelength;
 253                     IMediaSample_SetTime(sample, &buffers[i].rtTimestamp, &stop);
 254                 }
 255                 else
 256                     IMediaSample_SetTime(sample, &buffers[i].rtTimestamp, NULL);
 257             }
 258
 259             if (buffers[i].dwStatus & DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT)
 260                 IMediaSample_SetSyncPoint(sample, TRUE);
 261
 262             if (IMediaSample_GetActualDataLength(sample))
 263             {
 264                 if (FAILED(hr = IMemInputPin_Receive(filter->sources[i].pin.pMemInputPin, sample)))
 265                 {
 266                     WARN("Downstream sink returned %#x.\n", hr);
 267                     goto out;
 268                 }
 269                 IMediaSample_SetActualDataLength(sample, 0);
 270             }
 271
 272         }
 273     } while (more_data);
 274
 275 out:
 276     for (i = 0; i < filter->source_count; ++i)
 277     {
 278         if (filter->sources[i].buffer.sample)
 279         {
 280             IMediaSample_Release(filter->sources[i].buffer.sample);
 281             filter->sources[i].buffer.sample = NULL;
 282         }
 283     }
 284
 285     return hr;
 286 }
 287
 288 static HRESULT WINAPI dmo_wrapper_sink_Receive(struct strmbase_sink *iface, IMediaSample *sample)
 289 {
 290     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 291     DWORD index = iface - filter->sinks;
 292     REFERENCE_TIME start = 0, stop = 0;
 293     IMediaObject *dmo;
 294     DWORD flags = 0;
 295     HRESULT hr;
 296
 297     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 298
 299     if (IMediaSample_IsDiscontinuity(sample) == S_OK)
 300     {
 301         if (FAILED(hr = IMediaObject_Discontinuity(dmo, index)))
 302         {
 303             ERR("Discontinuity() failed, hr %#x.\n", hr);
 304             goto out;
 305         }
 306
 307         /* Calling Discontinuity() might change the DMO's mind about whether it
 308          * has more data to process. The DirectX documentation explicitly
 309          * states that we should call ProcessOutput() again in this case. */
 310         process_output(filter, dmo);
 311     }
 312
 313     if (IMediaSample_IsSyncPoint(sample) == S_OK)
 314         flags |= DMO_INPUT_DATA_BUFFERF_SYNCPOINT;
 315
 316     if (SUCCEEDED(hr = IMediaSample_GetTime(sample, &start, &stop)))
 317     {
 318         flags |= DMO_INPUT_DATA_BUFFERF_TIME | DMO_INPUT_DATA_BUFFERF_TIMELENGTH;
 319         if (hr == VFW_S_NO_STOP_TIME)
 320             stop = start + 1;
 321     }
 322
 323     filter->input_buffer.sample = sample;
 324     if (FAILED(hr = IMediaObject_ProcessInput(dmo, index,
 325             &filter->input_buffer.IMediaBuffer_iface, flags, start, stop - start)))
 326     {
 327         ERR("ProcessInput() failed, hr %#x.\n", hr);
 328         goto out;
 329     }
 330
 331     process_output(filter, dmo);
 332
 333 out:
 334     filter->input_buffer.sample = NULL;
 335     IMediaObject_Release(dmo);
 336     return hr;
 337 }
 338
 339 static HRESULT dmo_wrapper_sink_eos(struct strmbase_sink *iface)
 340 {
 341     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 342     DWORD index = iface - filter->sinks, i;
 343     IMediaObject *dmo;
 344     HRESULT hr;
 345
 346     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 347
 348     if (FAILED(hr = IMediaObject_Discontinuity(dmo, index)))
 349         ERR("Discontinuity() failed, hr %#x.\n", hr);
 350
 351     process_output(filter, dmo);
 352     if (FAILED(hr = IMediaObject_Flush(dmo)))
 353         ERR("Flush() failed, hr %#x.\n", hr);
 354
 355     for (i = 0; i < filter->source_count; ++i)
 356     {
 357         if (filter->sources[i].pin.pin.peer)
 358             IPin_EndOfStream(filter->sources[i].pin.pin.peer);
 359     }
 360
 361     IMediaObject_Release(dmo);
 362     return hr;
 363 }
 364
 365 static HRESULT dmo_wrapper_end_flush(struct strmbase_sink *iface)
 366 {
 367     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 368     IMediaObject *dmo;
 369     HRESULT hr;
 370     DWORD i;
 371
 372     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 373
 374     if (FAILED(hr = IMediaObject_Flush(dmo)))
 375         ERR("Flush() failed, hr %#x.\n", hr);
 376
 377     for (i = 0; i < filter->source_count; ++i)
 378     {
 379         if (filter->sources[i].pin.pin.peer)
 380             IPin_EndFlush(filter->sources[i].pin.pin.peer);
 381     }
 382
 383     IMediaObject_Release(dmo);
 384     return hr;
 385 }
 386
 387 static const struct strmbase_sink_ops sink_ops =
 388 {
 389     .base.pin_query_interface = dmo_wrapper_sink_query_interface,
 390     .base.pin_query_accept = dmo_wrapper_sink_query_accept,
 391     .base.pin_get_media_type = dmo_wrapper_sink_get_media_type,
 392     .sink_connect = dmo_wrapper_sink_connect,
 393     .sink_disconnect = dmo_wrapper_sink_disconnect,
 394     .sink_eos = dmo_wrapper_sink_eos,
 395     .sink_end_flush = dmo_wrapper_end_flush,
 396     .pfnReceive = dmo_wrapper_sink_Receive,
 397 };
 398
 399 static inline struct dmo_wrapper_source *impl_source_from_strmbase_pin(struct strmbase_pin *iface)
 400 {
 401     return CONTAINING_RECORD(iface, struct dmo_wrapper_source, pin.pin);
 402 }
 403
 404 static HRESULT dmo_wrapper_source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 405 {
 406     struct dmo_wrapper_source *pin = impl_source_from_strmbase_pin(iface);
 407
 408     if (IsEqualGUID(iid, &IID_IMediaPosition))
 409         *out = &pin->passthrough.IMediaPosition_iface;
 410     else if (IsEqualGUID(iid, &IID_IMediaSeeking))
 411         *out = &pin->passthrough.IMediaSeeking_iface;
 412     else
 413         return E_NOINTERFACE;
 414
 415     IUnknown_AddRef((IUnknown *)*out);
 416     return S_OK;
 417 }
 418
 419 static HRESULT dmo_wrapper_source_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
 420 {
 421     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 422     IMediaObject *dmo;
 423     HRESULT hr;
 424
 425     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 426
 427     hr = IMediaObject_SetOutputType(dmo, impl_source_from_strmbase_pin(iface) - filter->sources,
 428             (const DMO_MEDIA_TYPE *)mt, DMO_SET_TYPEF_TEST_ONLY);
 429
 430     IMediaObject_Release(dmo);
 431
 432     return hr;
 433 }
 434
 435 static HRESULT dmo_wrapper_source_get_media_type(struct strmbase_pin *iface, unsigned int index, AM_MEDIA_TYPE *mt)
 436 {
 437     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 438     IMediaObject *dmo;
 439     HRESULT hr;
 440
 441     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 442
 443     hr = IMediaObject_GetOutputType(dmo, impl_source_from_strmbase_pin(iface) - filter->sources,
 444             index, (DMO_MEDIA_TYPE *)mt);
 445
 446     IMediaObject_Release(dmo);
 447
 448     return hr == S_OK ? S_OK : VFW_S_NO_MORE_ITEMS;
 449 }
 450
 451 static HRESULT WINAPI dmo_wrapper_source_DecideBufferSize(struct strmbase_source *iface,
 452         IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
 453 {
 454     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 455     DWORD index = impl_source_from_strmbase_pin(&iface->pin) - filter->sources;
 456     ALLOCATOR_PROPERTIES ret_props;
 457     DWORD size = 0, alignment = 0;
 458     IMediaObject *dmo;
 459     HRESULT hr;
 460
 461     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 462
 463     if (SUCCEEDED(hr = IMediaObject_SetOutputType(dmo, index,
 464             (const DMO_MEDIA_TYPE *)&iface->pin.mt, 0)))
 465         hr = IMediaObject_GetOutputSizeInfo(dmo, index, &size, &alignment);
 466
 467     if (SUCCEEDED(hr))
 468     {
 469         props->cBuffers = max(props->cBuffers, 1);
 470         props->cbBuffer = max(max(props->cbBuffer, size), 16384);
 471         props->cbAlign = max(props->cbAlign, alignment);
 472         hr = IMemAllocator_SetProperties(allocator, props, &ret_props);
 473     }
 474
 475     IMediaObject_Release(dmo);
 476
 477     return hr;
 478 }
 479
 480 static void dmo_wrapper_source_disconnect(struct strmbase_source *iface)
 481 {
 482     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 483     IMediaObject *dmo;
 484
 485     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 486
 487     IMediaObject_SetOutputType(dmo, impl_source_from_strmbase_pin(&iface->pin) - filter->sources,
 488             NULL, DMO_SET_TYPEF_CLEAR);
 489
 490     IMediaObject_Release(dmo);
 491 }
 492
 493 static const struct strmbase_source_ops source_ops =
 494 {
 495     .base.pin_query_interface = dmo_wrapper_source_query_interface,
 496     .base.pin_query_accept = dmo_wrapper_source_query_accept,
 497     .base.pin_get_media_type = dmo_wrapper_source_get_media_type,
 498     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 499     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 500     .pfnDecideBufferSize = dmo_wrapper_source_DecideBufferSize,
 501     .source_disconnect = dmo_wrapper_source_disconnect,
 502 };
 503
 504 static inline struct dmo_wrapper *impl_from_IDMOWrapperFilter(IDMOWrapperFilter *iface)
 505 {
 506     return CONTAINING_RECORD(iface, struct dmo_wrapper, IDMOWrapperFilter_iface);
 507 }
 508
 509 static HRESULT WINAPI dmo_wrapper_filter_QueryInterface(IDMOWrapperFilter *iface, REFIID iid, void **out)
 510 {
 511     struct dmo_wrapper *filter = impl_from_IDMOWrapperFilter(iface);
 512     return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
 513 }
 514
 515 static ULONG WINAPI dmo_wrapper_filter_AddRef(IDMOWrapperFilter *iface)
 516 {
 517     struct dmo_wrapper *filter = impl_from_IDMOWrapperFilter(iface);
 518     return IUnknown_AddRef(filter->filter.outer_unk);
 519 }
 520
 521 static ULONG WINAPI dmo_wrapper_filter_Release(IDMOWrapperFilter *iface)
 522 {
 523     struct dmo_wrapper *filter = impl_from_IDMOWrapperFilter(iface);
 524     return IUnknown_Release(filter->filter.outer_unk);
 525 }
 526
 527 static HRESULT WINAPI dmo_wrapper_filter_Init(IDMOWrapperFilter *iface, REFCLSID clsid, REFCLSID category)
 528 {
 529     struct dmo_wrapper *filter = impl_from_IDMOWrapperFilter(iface);
 530     struct dmo_wrapper_source *sources;
 531     DMO_OUTPUT_DATA_BUFFER *buffers;
 532     DWORD input_count, output_count;
 533     struct strmbase_sink *sinks;
 534     IMediaObject *dmo;
 535     IUnknown *unk;
 536     WCHAR id[14];
 537     HRESULT hr;
 538     DWORD i;
 539
 540     TRACE("filter %p, clsid %s, category %s.\n", filter, debugstr_guid(clsid), debugstr_guid(category));
 541
 542     if (FAILED(hr = CoCreateInstance(clsid, &filter->filter.IUnknown_inner,
 543             CLSCTX_INPROC_SERVER, &IID_IUnknown, (void **)&unk)))
 544         return hr;
 545
 546     if (FAILED(hr = IUnknown_QueryInterface(unk, &IID_IMediaObject, (void **)&dmo)))
 547     {
 548         IUnknown_Release(unk);
 549         return hr;
 550     }
 551
 552     if (FAILED(IMediaObject_GetStreamCount(dmo, &input_count, &output_count)))
 553         input_count = output_count = 0;
 554
 555     sinks = calloc(sizeof(*sinks), input_count);
 556     sources = calloc(sizeof(*sources), output_count);
 557     buffers = calloc(sizeof(*buffers), output_count);
 558     if (!sinks || !sources || !buffers)
 559     {
 560         free(sinks);
 561         free(sources);
 562         free(buffers);
 563         IMediaObject_Release(dmo);
 564         IUnknown_Release(unk);
 565         return hr;
 566     }
 567
 568     for (i = 0; i < input_count; ++i)
 569     {
 570         swprintf(id, ARRAY_SIZE(id), L"in%u", i);
 571         strmbase_sink_init(&sinks[i], &filter->filter, id, &sink_ops, NULL);
 572     }
 573
 574     for (i = 0; i < output_count; ++i)
 575     {
 576         swprintf(id, ARRAY_SIZE(id), L"out%u", i);
 577         strmbase_source_init(&sources[i].pin, &filter->filter, id, &source_ops);
 578         sources[i].buffer.IMediaBuffer_iface.lpVtbl = &buffer_vtbl;
 579
 580         strmbase_passthrough_init(&sources[i].passthrough, (IUnknown *)&sources[i].pin.pin.IPin_iface);
 581         ISeekingPassThru_Init(&sources[i].passthrough.ISeekingPassThru_iface,
 582                 FALSE, &sinks[0].pin.IPin_iface);
 583     }
 584
 585     EnterCriticalSection(&filter->filter.filter_cs);
 586
 587     filter->dmo = unk;
 588     filter->sink_count = input_count;
 589     filter->source_count = output_count;
 590     filter->sinks = sinks;
 591     filter->sources = sources;
 592     filter->buffers = buffers;
 593
 594     LeaveCriticalSection(&filter->filter.filter_cs);
 595
 596     IMediaObject_Release(dmo);
 597
 598     return S_OK;
 599 }
 600
 601 static const IDMOWrapperFilterVtbl dmo_wrapper_filter_vtbl =
 602 {
 603     dmo_wrapper_filter_QueryInterface,
 604     dmo_wrapper_filter_AddRef,
 605     dmo_wrapper_filter_Release,
 606     dmo_wrapper_filter_Init,
 607 };
 608
 609 static struct strmbase_pin *dmo_wrapper_get_pin(struct strmbase_filter *iface, unsigned int index)
 610 {
 611     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface);
 612
 613     if (index < filter->sink_count)
 614         return &filter->sinks[index].pin;
 615     else if (index < filter->sink_count + filter->source_count)
 616         return &filter->sources[index - filter->sink_count].pin.pin;
 617     return NULL;
 618 }
 619
 620 static void dmo_wrapper_destroy(struct strmbase_filter *iface)
 621 {
 622     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface);
 623     DWORD i;
 624
 625     if (filter->dmo)
 626         IUnknown_Release(filter->dmo);
 627     for (i = 0; i < filter->sink_count; ++i)
 628         strmbase_sink_cleanup(&filter->sinks[i]);
 629     for (i = 0; i < filter->source_count; ++i)
 630     {
 631         strmbase_passthrough_cleanup(&filter->sources[i].passthrough);
 632         strmbase_source_cleanup(&filter->sources[i].pin);
 633     }
 634     free(filter->sinks);
 635     free(filter->sources);
 636     strmbase_filter_cleanup(&filter->filter);
 637     free(filter);
 638 }
 639
 640 static HRESULT dmo_wrapper_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
 641 {
 642     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface);
 643
 644     if (IsEqualGUID(iid, &IID_IDMOWrapperFilter))
 645     {
 646         *out = &filter->IDMOWrapperFilter_iface;
 647         IUnknown_AddRef((IUnknown *)*out);
 648         return S_OK;
 649     }
 650
 651     if (filter->dmo && !IsEqualGUID(iid, &IID_IUnknown))
 652         return IUnknown_QueryInterface(filter->dmo, iid, out);
 653     return E_NOINTERFACE;
 654 }
 655
 656 static HRESULT dmo_wrapper_init_stream(struct strmbase_filter *iface)
 657 {
 658     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface);
 659     DWORD i;
 660
 661     for (i = 0; i < filter->source_count; ++i)
 662     {
 663         if (filter->sources[i].pin.pin.peer)
 664             IMemAllocator_Commit(filter->sources[i].pin.pAllocator);
 665     }
 666
 667     return S_OK;
 668 }
 669
 670 static HRESULT dmo_wrapper_cleanup_stream(struct strmbase_filter *iface)
 671 {
 672     struct dmo_wrapper *filter = impl_from_strmbase_filter(iface);
 673     IMediaObject *dmo;
 674     DWORD i;
 675
 676     if (!filter->dmo)
 677         return E_FAIL;
 678
 679     IUnknown_QueryInterface(filter->dmo, &IID_IMediaObject, (void **)&dmo);
 680
 681     for (i = 0; i < filter->source_count; ++i)
 682     {
 683         if (filter->sources[i].pin.pin.peer)
 684             IMemAllocator_Decommit(filter->sources[i].pin.pAllocator);
 685     }
 686
 687     IMediaObject_Flush(dmo);
 688
 689     IMediaObject_Release(dmo);
 690     return S_OK;
 691 }
 692
 693 static struct strmbase_filter_ops filter_ops =
 694 {
 695     .filter_get_pin = dmo_wrapper_get_pin,
 696     .filter_destroy = dmo_wrapper_destroy,
 697     .filter_query_interface = dmo_wrapper_query_interface,
 698     .filter_init_stream = dmo_wrapper_init_stream,
 699     .filter_cleanup_stream = dmo_wrapper_cleanup_stream,
 700 };
 701
 702 HRESULT dmo_wrapper_create(IUnknown *outer, IUnknown **out)
 703 {
 704     struct dmo_wrapper *object;
 705
 706     if (!(object = calloc(sizeof(*object), 1)))
 707         return E_OUTOFMEMORY;
 708
 709     /* Always pass NULL as the outer object; see test_aggregation(). */
 710     strmbase_filter_init(&object->filter, NULL, &CLSID_DMOWrapperFilter, &filter_ops);
 711
 712     object->IDMOWrapperFilter_iface.lpVtbl = &dmo_wrapper_filter_vtbl;
 713
 714     object->input_buffer.IMediaBuffer_iface.lpVtbl = &buffer_vtbl;
 715
 716     TRACE("Created DMO wrapper %p.\n", object);
 717     *out = &object->filter.IUnknown_inner;
 718
 719     return S_OK;
 720 }