dlls/qcap/tests/videocapture.c

   1 /*
   2  * WDM video capture filter unit tests
   3  *
   4  * Copyright 2019 Damjan Jovanovic
   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 #define COBJMACROS
  22 #include "dshow.h"
  23 #include "wine/test.h"
  24 #include "wine/strmbase.h"
  25
  26 static BOOL compare_media_types(const AM_MEDIA_TYPE *a, const AM_MEDIA_TYPE *b)
  27 {
  28     return !memcmp(a, b, offsetof(AM_MEDIA_TYPE, pbFormat))
  29             && !memcmp(a->pbFormat, b->pbFormat, a->cbFormat);
  30 }
  31
  32 #define check_interface(a, b, c) check_interface_(__LINE__, a, b, c)
  33 static void check_interface_(unsigned int line, void *iface_ptr, REFIID iid, BOOL supported)
  34 {
  35     IUnknown *iface = iface_ptr;
  36     HRESULT hr, expected_hr;
  37     IUnknown *unk;
  38
  39     expected_hr = supported ? S_OK : E_NOINTERFACE;
  40
  41     hr = IUnknown_QueryInterface(iface, iid, (void **)&unk);
  42     ok_(__FILE__, line)(hr == expected_hr, "Got hr %#x, expected %#x.\n", hr, expected_hr);
  43     if (SUCCEEDED(hr))
  44         IUnknown_Release(unk);
  45 }
  46
  47 static void test_media_types(IPin *pin)
  48 {
  49     IEnumMediaTypes *enum_media_types;
  50     AM_MEDIA_TYPE mt, *pmt;
  51     HRESULT hr;
  52
  53     hr = IPin_EnumMediaTypes(pin, &enum_media_types);
  54     ok(hr == S_OK, "Got hr %#x.\n", hr);
  55
  56     while (IEnumMediaTypes_Next(enum_media_types, 1, &pmt, NULL) == S_OK)
  57     {
  58         hr = IPin_QueryAccept(pin, pmt);
  59         ok(hr == S_OK, "Got hr %#x.\n", hr);
  60         CoTaskMemFree(pmt);
  61     }
  62     IEnumMediaTypes_Release(enum_media_types);
  63
  64     hr = IPin_QueryAccept(pin, NULL);
  65     todo_wine ok(hr == E_POINTER, "Got hr %#x.\n", hr);
  66
  67     memset(&mt, 0, sizeof(mt));
  68     hr = IPin_QueryAccept(pin, &mt);
  69     ok(hr != S_OK, "Got hr %#x.\n", hr);
  70
  71     mt.majortype = MEDIATYPE_Video;
  72     hr = IPin_QueryAccept(pin, &mt);
  73     ok(hr != S_OK, "Got hr %#x.\n", hr);
  74
  75     mt.formattype = FORMAT_VideoInfo;
  76     hr = IPin_QueryAccept(pin, &mt);
  77     ok(hr != S_OK, "Got hr %#x.\n", hr);
  78
  79     mt.formattype = FORMAT_None;
  80     hr = IPin_QueryAccept(pin, &mt);
  81     ok(hr != S_OK, "Got hr %#x.\n", hr);
  82 }
  83
  84 static void test_stream_config(IPin *pin)
  85 {
  86     VIDEOINFOHEADER *video_info, *video_info2;
  87     LONG depth, compression, count, size, i;
  88     IEnumMediaTypes *enum_media_types;
  89     AM_MEDIA_TYPE *format, *format2;
  90     IAMStreamConfig *stream_config;
  91     VIDEO_STREAM_CONFIG_CAPS vscc;
  92     HRESULT hr;
  93
  94     hr = IPin_QueryInterface(pin, &IID_IAMStreamConfig, (void **)&stream_config);
  95     ok(hr == S_OK, "Got hr %#x.\n", hr);
  96
  97     hr = IAMStreamConfig_GetFormat(stream_config, &format);
  98     ok(hr == S_OK, "Got hr %#x.\n", hr);
  99     ok(IsEqualGUID(&format->majortype, &MEDIATYPE_Video), "Got wrong majortype: %s.\n",
 100             debugstr_guid(&format->majortype));
 101
 102     hr = IAMStreamConfig_SetFormat(stream_config, format);
 103     ok(hr == S_OK, "Got hr %#x.\n", hr);
 104
 105     /* After setting the format, a single media type is enumerated.
 106      * This persists until the filter is released. */
 107     IPin_EnumMediaTypes(pin, &enum_media_types);
 108     hr = IEnumMediaTypes_Next(enum_media_types, 1, &format2, NULL);
 109     ok(hr == S_OK, "Got hr %#x.\n", hr);
 110     DeleteMediaType(format2);
 111     hr = IEnumMediaTypes_Next(enum_media_types, 1, &format2, NULL);
 112     ok(hr == S_FALSE, "Got hr %#x.\n", hr);
 113     IEnumMediaTypes_Release(enum_media_types);
 114
 115     format->majortype = MEDIATYPE_Audio;
 116     hr = IAMStreamConfig_SetFormat(stream_config, format);
 117     ok(hr == E_FAIL, "Got hr %#x.\n", hr);
 118
 119     format->majortype = MEDIATYPE_Video;
 120     video_info = (VIDEOINFOHEADER *)format->pbFormat;
 121     video_info->bmiHeader.biWidth--;
 122     video_info->bmiHeader.biHeight--;
 123     hr = IAMStreamConfig_SetFormat(stream_config, format);
 124     ok(hr == E_FAIL, "Got hr %#x.\n", hr);
 125
 126     depth = video_info->bmiHeader.biBitCount;
 127     compression = video_info->bmiHeader.biCompression;
 128     video_info->bmiHeader.biWidth++;
 129     video_info->bmiHeader.biHeight++;
 130     video_info->bmiHeader.biBitCount = 0;
 131     video_info->bmiHeader.biCompression = 0;
 132     hr = IAMStreamConfig_SetFormat(stream_config, format);
 133     ok(hr == S_OK, "Got hr %#x.\n", hr);
 134
 135     hr = IAMStreamConfig_GetFormat(stream_config, &format2);
 136     ok(hr == S_OK, "Got hr %#x.\n", hr);
 137     ok(IsEqualGUID(&format2->majortype, &MEDIATYPE_Video), "Got wrong majortype: %s.\n",
 138             debugstr_guid(&format2->majortype));
 139     video_info2 = (VIDEOINFOHEADER *)format2->pbFormat;
 140     ok(video_info2->bmiHeader.biBitCount == depth, "Got wrong depth: %d.\n",
 141             video_info2->bmiHeader.biBitCount);
 142     ok(video_info2->bmiHeader.biCompression == compression,
 143             "Got wrong compression: %d.\n", video_info2->bmiHeader.biCompression);
 144     FreeMediaType(format2);
 145
 146     video_info->bmiHeader.biWidth = 10000000;
 147     video_info->bmiHeader.biHeight = 10000000;
 148     hr = IAMStreamConfig_SetFormat(stream_config, format);
 149     ok(hr == E_FAIL, "Got hr %#x.\n", hr);
 150     FreeMediaType(format);
 151
 152     count = 0xdeadbeef;
 153     size = 0xdeadbeef;
 154     /* Crash on Windows */
 155     if (0)
 156     {
 157         hr = IAMStreamConfig_GetNumberOfCapabilities(stream_config, &count, NULL);
 158         ok(hr == E_POINTER, "Got hr %#x.\n", hr);
 159
 160         hr = IAMStreamConfig_GetNumberOfCapabilities(stream_config, NULL, &size);
 161         ok(hr == E_POINTER, "Got hr %#x.\n", hr);
 162
 163         hr = IAMStreamConfig_GetStreamCaps(stream_config, 0, NULL, (BYTE *)&vscc);
 164         ok(hr == E_POINTER, "Got hr %#x.\n", hr);
 165
 166         hr = IAMStreamConfig_GetStreamCaps(stream_config, 0, &format, NULL);
 167         ok(hr == E_POINTER, "Got hr %#x.\n", hr);
 168     }
 169
 170     hr = IAMStreamConfig_GetNumberOfCapabilities(stream_config, &count, &size);
 171     ok(hr == S_OK, "Got hr %#x.\n", hr);
 172     ok(count != 0xdeadbeef, "Got wrong count: %d.\n", count);
 173     ok(size == sizeof(VIDEO_STREAM_CONFIG_CAPS), "Got wrong size: %d.\n", size);
 174
 175     hr = IAMStreamConfig_GetStreamCaps(stream_config, 100000, NULL, NULL);
 176     ok(hr == S_FALSE, "Got hr %#x.\n", hr);
 177
 178     hr = IAMStreamConfig_GetStreamCaps(stream_config, 100000, &format, (BYTE *)&vscc);
 179     ok(hr == S_FALSE, "Got hr %#x.\n", hr);
 180
 181     for (i = 0; i < count; ++i)
 182     {
 183         hr = IAMStreamConfig_GetStreamCaps(stream_config, i, &format, (BYTE *)&vscc);
 184         ok(hr == S_OK, "Got hr %#x.\n", hr);
 185         ok(IsEqualGUID(&format->majortype, &MEDIATYPE_Video), "Got wrong majortype: %s.\n",
 186                 debugstr_guid(&MEDIATYPE_Video));
 187         ok(IsEqualGUID(&vscc.guid, &FORMAT_VideoInfo)
 188                 || IsEqualGUID(&vscc.guid, &FORMAT_VideoInfo2), "Got wrong guid: %s.\n",
 189                 debugstr_guid(&vscc.guid));
 190
 191         hr = IAMStreamConfig_SetFormat(stream_config, format);
 192         ok(hr == S_OK, "Got hr %#x.\n", hr);
 193
 194         hr = IAMStreamConfig_GetFormat(stream_config, &format2);
 195         ok(hr == S_OK, "Got hr %#x.\n", hr);
 196         ok(compare_media_types(format, format2), "Media types didn't match.\n");
 197         DeleteMediaType(format2);
 198
 199         hr = IPin_EnumMediaTypes(pin, &enum_media_types);
 200         ok(hr == S_OK, "Got hr %#x.\n", hr);
 201         hr = IEnumMediaTypes_Next(enum_media_types, 1, &format2, NULL);
 202         ok(hr == S_OK, "Got hr %#x.\n", hr);
 203         ok(compare_media_types(format, format2), "Media types didn't match.\n");
 204         DeleteMediaType(format2);
 205         IEnumMediaTypes_Release(enum_media_types);
 206
 207         DeleteMediaType(format);
 208     }
 209
 210     IAMStreamConfig_Release(stream_config);
 211 }
 212
 213 static void test_pin_interfaces(IPin *pin)
 214 {
 215     todo_wine check_interface(pin, &IID_IAMBufferNegotiation, TRUE);
 216     check_interface(pin, &IID_IAMStreamConfig, TRUE);
 217     todo_wine check_interface(pin, &IID_IAMStreamControl, TRUE);
 218     todo_wine check_interface(pin, &IID_IKsPin, TRUE);
 219     check_interface(pin, &IID_IKsPropertySet, TRUE);
 220     todo_wine check_interface(pin, &IID_IMediaSeeking, TRUE);
 221     check_interface(pin, &IID_IPin, TRUE);
 222     todo_wine check_interface(pin, &IID_IQualityControl, TRUE);
 223     todo_wine check_interface(pin, &IID_ISpecifyPropertyPages, TRUE);
 224
 225     check_interface(pin, &IID_IAMCrossbar, FALSE);
 226     check_interface(pin, &IID_IAMDroppedFrames, FALSE);
 227     check_interface(pin, &IID_IAMFilterMiscFlags, FALSE);
 228     check_interface(pin, &IID_IAMPushSource, FALSE);
 229     check_interface(pin, &IID_IAMTVTuner, FALSE);
 230     check_interface(pin, &IID_IAMVideoCompression, FALSE);
 231     check_interface(pin, &IID_IAMVideoProcAmp, FALSE);
 232     check_interface(pin, &IID_IPersistPropertyBag, FALSE);
 233     check_interface(pin, &IID_IStreamBuilder, FALSE);
 234 }
 235
 236 static void test_pins(IBaseFilter *filter)
 237 {
 238     IEnumPins *enum_pins;
 239     IPin *pin;
 240     HRESULT hr;
 241
 242     hr = IBaseFilter_EnumPins(filter, &enum_pins);
 243     ok(hr == S_OK, "Got hr %#x.\n", hr);
 244
 245     while ((hr = IEnumPins_Next(enum_pins, 1, &pin, NULL)) == S_OK)
 246     {
 247         PIN_DIRECTION pin_direction;
 248         IPin_QueryDirection(pin, &pin_direction);
 249         if (pin_direction == PINDIR_OUTPUT)
 250         {
 251             test_pin_interfaces(pin);
 252             test_media_types(pin);
 253             test_stream_config(pin);
 254         }
 255         IPin_Release(pin);
 256     }
 257
 258     IEnumPins_Release(enum_pins);
 259 }
 260
 261 static void test_filter_interfaces(IBaseFilter *filter)
 262 {
 263     check_interface(filter, &IID_IAMFilterMiscFlags, TRUE);
 264     check_interface(filter, &IID_IAMVideoControl, TRUE);
 265     check_interface(filter, &IID_IAMVideoProcAmp, TRUE);
 266     check_interface(filter, &IID_IBaseFilter, TRUE);
 267     todo_wine check_interface(filter, &IID_IKsPropertySet, TRUE);
 268     todo_wine check_interface(filter, &IID_IMediaSeeking, TRUE);
 269     check_interface(filter, &IID_IPersistPropertyBag, TRUE);
 270     todo_wine check_interface(filter, &IID_ISpecifyPropertyPages, TRUE);
 271
 272     check_interface(filter, &IID_IAMCrossbar, FALSE);
 273     check_interface(filter, &IID_IAMPushSource, FALSE);
 274     check_interface(filter, &IID_IAMStreamConfig, FALSE);
 275     check_interface(filter, &IID_IAMTVTuner, FALSE);
 276     check_interface(filter, &IID_IAMVideoCompression, FALSE);
 277     check_interface(filter, &IID_IAMVfwCaptureDialogs, FALSE);
 278     check_interface(filter, &IID_IPin, FALSE);
 279     check_interface(filter, &IID_IReferenceClock, FALSE);
 280     check_interface(filter, &IID_IOverlayNotify, FALSE);
 281 }
 282
 283 static void test_misc_flags(IBaseFilter *filter)
 284 {
 285     IAMFilterMiscFlags *misc_flags;
 286     ULONG flags;
 287     HRESULT hr;
 288
 289     hr = IBaseFilter_QueryInterface(filter, &IID_IAMFilterMiscFlags, (void **)&misc_flags);
 290     ok(hr == S_OK, "Got hr %#x.\n", hr);
 291
 292     flags = IAMFilterMiscFlags_GetMiscFlags(misc_flags);
 293     ok(flags == AM_FILTER_MISC_FLAGS_IS_SOURCE
 294             || broken(!flags) /* win7 */, "Got wrong flags: %#x.\n", flags);
 295
 296     IAMFilterMiscFlags_Release(misc_flags);
 297 }
 298
 299 struct testfilter
 300 {
 301     struct strmbase_filter filter;
 302     struct strmbase_sink sink;
 303 };
 304
 305 static inline struct testfilter *impl_from_strmbase_filter(struct strmbase_filter *iface)
 306 {
 307     return CONTAINING_RECORD(iface, struct testfilter, filter);
 308 }
 309
 310 static struct strmbase_pin *testfilter_get_pin(struct strmbase_filter *iface, unsigned int index)
 311 {
 312     struct testfilter *filter = impl_from_strmbase_filter(iface);
 313     if (!index)
 314         return &filter->sink.pin;
 315     return NULL;
 316 }
 317
 318 static void testfilter_destroy(struct strmbase_filter *iface)
 319 {
 320     struct testfilter *filter = impl_from_strmbase_filter(iface);
 321     strmbase_sink_cleanup(&filter->sink);
 322     strmbase_filter_cleanup(&filter->filter);
 323 }
 324
 325 static const struct strmbase_filter_ops testfilter_ops =
 326 {
 327     .filter_get_pin = testfilter_get_pin,
 328     .filter_destroy = testfilter_destroy,
 329 };
 330
 331 static HRESULT testsink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 332 {
 333     struct testfilter *filter = impl_from_strmbase_filter(iface->filter);
 334
 335     if (IsEqualGUID(iid, &IID_IMemInputPin))
 336         *out = &filter->sink.IMemInputPin_iface;
 337     else
 338         return E_NOINTERFACE;
 339
 340     IUnknown_AddRef((IUnknown *)*out);
 341     return S_OK;
 342 }
 343
 344 static HRESULT WINAPI testsink_Receive(struct strmbase_sink *iface, IMediaSample *sample)
 345 {
 346     return S_OK;
 347 }
 348
 349 static const struct strmbase_sink_ops testsink_ops =
 350 {
 351     .base.pin_query_interface = testsink_query_interface,
 352     .pfnReceive = testsink_Receive,
 353 };
 354
 355 static void testfilter_init(struct testfilter *filter)
 356 {
 357     static const GUID clsid = {0xabacab};
 358     memset(filter, 0, sizeof(*filter));
 359     strmbase_filter_init(&filter->filter, NULL, &clsid, &testfilter_ops);
 360     strmbase_sink_init(&filter->sink, &filter->filter, L"sink", &testsink_ops, NULL);
 361 }
 362
 363 static void test_connect_pin(IBaseFilter *filter, IPin *source)
 364 {
 365     AM_MEDIA_TYPE req_mt, default_mt, mt, *mts[2];
 366     IAMStreamConfig *stream_config;
 367     struct testfilter testsink;
 368     IEnumMediaTypes *enummt;
 369     IFilterGraph2 *graph;
 370     ULONG count, ref;
 371     HRESULT hr;
 372     IPin *peer;
 373
 374     CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
 375             &IID_IFilterGraph2, (void **)&graph);
 376     testfilter_init(&testsink);
 377     IFilterGraph2_AddFilter(graph, &testsink.filter.IBaseFilter_iface, L"sink");
 378     IFilterGraph2_AddFilter(graph, filter, L"source");
 379     hr = IPin_QueryInterface(source, &IID_IAMStreamConfig, (void **)&stream_config);
 380     ok(hr == S_OK, "Got hr %#x.\n", hr);
 381
 382     peer = (IPin *)0xdeadbeef;
 383     hr = IPin_ConnectedTo(source, &peer);
 384     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#x.\n", hr);
 385     ok(!peer, "Got peer %p.\n", peer);
 386
 387     hr = IPin_ConnectionMediaType(source, &mt);
 388     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#x.\n", hr);
 389
 390     hr = IPin_EnumMediaTypes(source, &enummt);
 391     ok(hr == S_OK, "Got hr %#x.\n", hr);
 392     hr = IEnumMediaTypes_Next(enummt, 2, mts, &count);
 393     ok(SUCCEEDED(hr), "Got hr %#x.\n", hr);
 394     CopyMediaType(&req_mt, mts[count - 1]);
 395     CopyMediaType(&default_mt, mts[0]);
 396     DeleteMediaType(mts[0]);
 397     if (count > 1)
 398         DeleteMediaType(mts[1]);
 399     IEnumMediaTypes_Release(enummt);
 400
 401     hr = IAMStreamConfig_GetFormat(stream_config, &mts[0]);
 402     ok(hr == S_OK, "Got hr %#x.\n", hr);
 403     ok(compare_media_types(mts[0], &default_mt), "Media types didn't match.\n");
 404     DeleteMediaType(mts[0]);
 405
 406     hr = IFilterGraph2_ConnectDirect(graph, source, &testsink.sink.pin.IPin_iface, &req_mt);
 407     ok(hr == S_OK, "Got hr %#x.\n", hr);
 408
 409     hr = IPin_ConnectedTo(source, &peer);
 410     ok(hr == S_OK, "Got hr %#x.\n", hr);
 411     ok(peer == &testsink.sink.pin.IPin_iface, "Got peer %p.\n", peer);
 412     IPin_Release(peer);
 413
 414     hr = IPin_ConnectionMediaType(source, &mt);
 415     ok(hr == S_OK, "Got hr %#x.\n", hr);
 416     ok(compare_media_types(&mt, &req_mt), "Media types didn't match.\n");
 417     ok(compare_media_types(&testsink.sink.pin.mt, &req_mt), "Media types didn't match.\n");
 418     FreeMediaType(&mt);
 419
 420     hr = IAMStreamConfig_GetFormat(stream_config, &mts[0]);
 421     ok(hr == S_OK, "Got hr %#x.\n", hr);
 422     ok(compare_media_types(mts[0], &req_mt), "Media types didn't match.\n");
 423     DeleteMediaType(mts[0]);
 424
 425     hr = IPin_EnumMediaTypes(source, &enummt);
 426     ok(hr == S_OK, "Got hr %#x.\n", hr);
 427     hr = IEnumMediaTypes_Next(enummt, 1, mts, NULL);
 428     ok(hr == S_OK, "Got hr %#x.\n", hr);
 429     ok(compare_media_types(mts[0], &default_mt), "Media types didn't match.\n");
 430     DeleteMediaType(mts[0]);
 431     IEnumMediaTypes_Release(enummt);
 432
 433     hr = IFilterGraph2_Disconnect(graph, source);
 434     ok(hr == S_OK, "Got hr %#x.\n", hr);
 435     hr = IFilterGraph2_Disconnect(graph, source);
 436     ok(hr == S_FALSE, "Got hr %#x.\n", hr);
 437     ok(testsink.sink.pin.peer == source, "Got peer %p.\n", testsink.sink.pin.peer);
 438     IFilterGraph2_Disconnect(graph, &testsink.sink.pin.IPin_iface);
 439
 440     hr = IAMStreamConfig_GetFormat(stream_config, &mts[0]);
 441     ok(hr == S_OK, "Got hr %#x.\n", hr);
 442     ok(compare_media_types(mts[0], &default_mt), "Media types didn't match.\n");
 443     DeleteMediaType(mts[0]);
 444
 445     FreeMediaType(&req_mt);
 446     FreeMediaType(&default_mt);
 447     IAMStreamConfig_Release(stream_config);
 448     ref = IFilterGraph2_Release(graph);
 449     ok(!ref, "Got outstanding refcount %d.\n", ref);
 450     ref = IBaseFilter_Release(&testsink.filter.IBaseFilter_iface);
 451     ok(!ref, "Got outstanding refcount %d.\n", ref);
 452 }
 453
 454 static void test_connection(IMoniker *moniker)
 455 {
 456     IEnumPins *enum_pins;
 457     IBaseFilter *filter;
 458     HRESULT hr;
 459     ULONG ref;
 460     IPin *pin;
 461
 462     hr = IMoniker_BindToObject(moniker, NULL, NULL, &IID_IBaseFilter, (void **)&filter);
 463     ok(hr == S_OK, "Got hr %#x.\n", hr);
 464
 465     hr = IBaseFilter_EnumPins(filter, &enum_pins);
 466     ok(hr == S_OK, "Got hr %#x.\n", hr);
 467
 468     while (IEnumPins_Next(enum_pins, 1, &pin, NULL) == S_OK)
 469     {
 470         PIN_DIRECTION dir;
 471         IPin_QueryDirection(pin, &dir);
 472         if (dir == PINDIR_OUTPUT)
 473         {
 474             test_connect_pin(filter, pin);
 475         }
 476         IPin_Release(pin);
 477     }
 478
 479     IEnumPins_Release(enum_pins);
 480     ref = IBaseFilter_Release(filter);
 481     ok(!ref, "Got outstanding refcount %d.\n", ref);
 482 }
 483
 484 START_TEST(videocapture)
 485 {
 486     ICreateDevEnum *dev_enum;
 487     IEnumMoniker *class_enum;
 488     IBaseFilter *filter;
 489     IMoniker *moniker;
 490     WCHAR *name;
 491     HRESULT hr;
 492     ULONG ref;
 493
 494     CoInitialize(NULL);
 495
 496     hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
 497             &IID_ICreateDevEnum, (void **)&dev_enum);
 498     ok(hr == S_OK, "Got hr %#x.\n", hr);
 499
 500     hr = ICreateDevEnum_CreateClassEnumerator(dev_enum, &CLSID_VideoInputDeviceCategory, &class_enum, 0);
 501     if (hr == S_FALSE)
 502     {
 503         skip("No video capture devices present.\n");
 504         ICreateDevEnum_Release(dev_enum);
 505         CoUninitialize();
 506         return;
 507     }
 508     ok(hr == S_OK, "Got hr=%#x.\n", hr);
 509
 510     while (IEnumMoniker_Next(class_enum, 1, &moniker, NULL) == S_OK)
 511     {
 512         hr = IMoniker_GetDisplayName(moniker, NULL, NULL, &name);
 513         ok(hr == S_OK, "Got hr %#x.\n", hr);
 514         trace("Testing device %s.\n", wine_dbgstr_w(name));
 515         CoTaskMemFree(name);
 516
 517         if (FAILED(hr = IMoniker_BindToObject(moniker, NULL, NULL, &IID_IBaseFilter, (void **)&filter)))
 518         {
 519             skip("Failed to open device %s, hr %#x.\n", debugstr_w(name), hr);
 520             IMoniker_Release(moniker);
 521             continue;
 522         }
 523
 524         test_filter_interfaces(filter);
 525         test_pins(filter);
 526         test_misc_flags(filter);
 527
 528         ref = IBaseFilter_Release(filter);
 529         ok(!ref, "Got outstanding refcount %d.\n", ref);
 530
 531         test_connection(moniker);
 532
 533         IMoniker_Release(moniker);
 534     }
 535
 536     ICreateDevEnum_Release(dev_enum);
 537     IEnumMoniker_Release(class_enum);
 538     CoUninitialize();
 539 }