dlls/qedit/tests/mediadet.c

   1 /*
   2  * Unit tests for Media Detector
   3  *
   4  * Copyright (C) 2008 Google (Lei Zhang, Dan Hipschman)
   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 #define CONST_VTABLE
  23
  24 #include "initguid.h"
  25 #include "ole2.h"
  26 #include "vfwmsgs.h"
  27 #include "uuids.h"
  28 #include "wine/test.h"
  29 #include "qedit.h"
  30 #include "control.h"
  31 #include "rc.h"
  32
  33 /* Outer IUnknown for COM aggregation tests */
  34 struct unk_impl {
  35     IUnknown IUnknown_iface;
  36     LONG ref;
  37     IUnknown *inner_unk;
  38 };
  39
  40 static inline struct unk_impl *impl_from_IUnknown(IUnknown *iface)
  41 {
  42     return CONTAINING_RECORD(iface, struct unk_impl, IUnknown_iface);
  43 }
  44
  45 static HRESULT WINAPI unk_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
  46 {
  47     struct unk_impl *This = impl_from_IUnknown(iface);
  48
  49     return IUnknown_QueryInterface(This->inner_unk, riid, ppv);
  50 }
  51
  52 static ULONG WINAPI unk_AddRef(IUnknown *iface)
  53 {
  54     struct unk_impl *This = impl_from_IUnknown(iface);
  55
  56     return InterlockedIncrement(&This->ref);
  57 }
  58
  59 static ULONG WINAPI unk_Release(IUnknown *iface)
  60 {
  61     struct unk_impl *This = impl_from_IUnknown(iface);
  62
  63     return InterlockedDecrement(&This->ref);
  64 }
  65
  66 static const IUnknownVtbl unk_vtbl =
  67 {
  68     unk_QueryInterface,
  69     unk_AddRef,
  70     unk_Release
  71 };
  72
  73
  74 static WCHAR test_avi_filename[MAX_PATH];
  75 static WCHAR test_sound_avi_filename[MAX_PATH];
  76
  77 static BOOL unpack_avi_file(int id, WCHAR name[MAX_PATH])
  78 {
  79     static WCHAR temp_path[MAX_PATH];
  80     static const WCHAR prefix[] = {'D','E','S',0};
  81     static const WCHAR avi[] = {'a','v','i',0};
  82     HRSRC res;
  83     HGLOBAL data;
  84     char *mem;
  85     DWORD size, written;
  86     HANDLE fh;
  87     BOOL ret;
  88
  89     res = FindResourceW(NULL, MAKEINTRESOURCEW(id), MAKEINTRESOURCEW(AVI_RES_TYPE));
  90     if (!res)
  91         return FALSE;
  92
  93     data = LoadResource(NULL, res);
  94     if (!data)
  95         return FALSE;
  96
  97     mem = LockResource(data);
  98     if (!mem)
  99         return FALSE;
 100
 101     size = SizeofResource(NULL, res);
 102     if (size == 0)
 103         return FALSE;
 104
 105     if (!GetTempPathW(MAX_PATH, temp_path))
 106         return FALSE;
 107
 108     /* We might end up relying on the extension here, so .TMP is no good.  */
 109     if (!GetTempFileNameW(temp_path, prefix, 0, name))
 110         return FALSE;
 111
 112     DeleteFileW(name);
 113     lstrcpyW(name + lstrlenW(name) - 3, avi);
 114
 115     fh = CreateFileW(name, GENERIC_WRITE, 0, NULL, CREATE_NEW,
 116                      FILE_ATTRIBUTE_NORMAL, NULL);
 117     if (fh == INVALID_HANDLE_VALUE)
 118         return FALSE;
 119
 120     ret = WriteFile(fh, mem, size, &written, NULL);
 121     CloseHandle(fh);
 122     return ret && written == size;
 123 }
 124
 125 static BOOL init_tests(void)
 126 {
 127     return unpack_avi_file(TEST_AVI_RES, test_avi_filename)
 128         && unpack_avi_file(TEST_SOUND_AVI_RES, test_sound_avi_filename);
 129 }
 130
 131 static void test_mediadet(void)
 132 {
 133     HRESULT hr;
 134     struct unk_impl unk_obj = {{&unk_vtbl}, 19, NULL};
 135     IMediaDet *pM = NULL;
 136     ULONG refcount;
 137     BSTR filename = NULL;
 138     LONG nstrms = 0;
 139     LONG strm;
 140     AM_MEDIA_TYPE mt;
 141     double fps;
 142     int flags;
 143     int i;
 144
 145     /* COM aggregation */
 146     hr = CoCreateInstance(&CLSID_MediaDet, &unk_obj.IUnknown_iface, CLSCTX_INPROC_SERVER,
 147             &IID_IUnknown, (void**)&unk_obj.inner_unk);
 148     ok(hr == S_OK, "CoCreateInstance failed: %08x\n", hr);
 149
 150     hr = IUnknown_QueryInterface(unk_obj.inner_unk, &IID_IMediaDet, (void**)&pM);
 151     ok(hr == S_OK, "QueryInterface for IID_IMediaDet failed: %08x\n", hr);
 152     refcount = IMediaDet_AddRef(pM);
 153     ok(refcount == unk_obj.ref, "MediaDet just pretends to support COM aggregation\n");
 154     refcount = IMediaDet_Release(pM);
 155     ok(refcount == unk_obj.ref, "MediaDet just pretends to support COM aggregation\n");
 156     refcount = IMediaDet_Release(pM);
 157     ok(refcount == 19, "Refcount should be back at 19 but is %u\n", refcount);
 158
 159     IUnknown_Release(unk_obj.inner_unk);
 160
 161     /* test.avi has one video stream.  */
 162     hr = CoCreateInstance(&CLSID_MediaDet, NULL, CLSCTX_INPROC_SERVER,
 163             &IID_IMediaDet, (LPVOID*)&pM);
 164     ok(hr == S_OK, "CoCreateInstance failed with %x\n", hr);
 165     ok(pM != NULL, "pM is NULL\n");
 166
 167     filename = NULL;
 168     hr = IMediaDet_get_Filename(pM, &filename);
 169     /* Despite what MSDN claims, this returns S_OK.  */
 170     ok(hr == S_OK, "IMediaDet_get_Filename failed: %08x\n", hr);
 171     ok(filename == NULL, "IMediaDet_get_Filename\n");
 172
 173     filename = (BSTR) -1;
 174     hr = IMediaDet_get_Filename(pM, &filename);
 175     /* Despite what MSDN claims, this returns S_OK.  */
 176     ok(hr == S_OK, "IMediaDet_get_Filename failed: %08x\n", hr);
 177     ok(filename == NULL, "IMediaDet_get_Filename\n");
 178
 179     nstrms = -1;
 180     hr = IMediaDet_get_OutputStreams(pM, &nstrms);
 181     ok(hr == E_INVALIDARG, "IMediaDet_get_OutputStreams failed: %08x\n", hr);
 182     ok(nstrms == -1, "IMediaDet_get_OutputStreams: nstrms is %i\n", nstrms);
 183
 184     strm = -1;
 185     /* The stream defaults to 0, even without a file!  */
 186     hr = IMediaDet_get_CurrentStream(pM, &strm);
 187     ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 188     ok(strm == 0, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 189
 190     hr = IMediaDet_get_CurrentStream(pM, NULL);
 191     ok(hr == E_POINTER, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 192
 193     /* But put_CurrentStream doesn't.  */
 194     hr = IMediaDet_put_CurrentStream(pM, 0);
 195     ok(hr == E_INVALIDARG, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 196
 197     hr = IMediaDet_put_CurrentStream(pM, -1);
 198     ok(hr == E_INVALIDARG, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 199
 200     hr = IMediaDet_get_StreamMediaType(pM, &mt);
 201     ok(hr == E_INVALIDARG, "IMediaDet_get_StreamMediaType failed: %08x\n", hr);
 202
 203     hr = IMediaDet_get_StreamMediaType(pM, NULL);
 204     ok(hr == E_POINTER, "IMediaDet_get_StreamMediaType failed: %08x\n", hr);
 205
 206     filename = SysAllocString(test_avi_filename);
 207     hr = IMediaDet_put_Filename(pM, filename);
 208     ok(hr == S_OK, "IMediaDet_put_Filename failed: %08x\n", hr);
 209     SysFreeString(filename);
 210
 211     strm = -1;
 212     /* The stream defaults to 0.  */
 213     hr = IMediaDet_get_CurrentStream(pM, &strm);
 214     ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 215     ok(strm == 0, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 216
 217     ZeroMemory(&mt, sizeof mt);
 218     hr = IMediaDet_get_StreamMediaType(pM, &mt);
 219     ok(hr == S_OK, "IMediaDet_get_StreamMediaType failed: %08x\n", hr);
 220     CoTaskMemFree(mt.pbFormat);
 221
 222     /* Even before get_OutputStreams.  */
 223     hr = IMediaDet_put_CurrentStream(pM, 1);
 224     ok(hr == E_INVALIDARG, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 225
 226     hr = IMediaDet_get_OutputStreams(pM, &nstrms);
 227     ok(hr == S_OK, "IMediaDet_get_OutputStreams failed: %08x\n", hr);
 228     ok(nstrms == 1, "IMediaDet_get_OutputStreams: nstrms is %i\n", nstrms);
 229
 230     filename = NULL;
 231     hr = IMediaDet_get_Filename(pM, &filename);
 232     ok(hr == S_OK, "IMediaDet_get_Filename failed: %08x\n", hr);
 233     ok(lstrcmpW(filename, test_avi_filename) == 0,
 234        "IMediaDet_get_Filename\n");
 235     SysFreeString(filename);
 236
 237     hr = IMediaDet_get_Filename(pM, NULL);
 238     ok(hr == E_POINTER, "IMediaDet_get_Filename failed: %08x\n", hr);
 239
 240     strm = -1;
 241     hr = IMediaDet_get_CurrentStream(pM, &strm);
 242     ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 243     ok(strm == 0, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 244
 245     hr = IMediaDet_get_CurrentStream(pM, NULL);
 246     ok(hr == E_POINTER, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 247
 248     hr = IMediaDet_put_CurrentStream(pM, -1);
 249     ok(hr == E_INVALIDARG, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 250
 251     hr = IMediaDet_put_CurrentStream(pM, 1);
 252     ok(hr == E_INVALIDARG, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 253
 254     /* Try again.  */
 255     strm = -1;
 256     hr = IMediaDet_get_CurrentStream(pM, &strm);
 257     ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 258     ok(strm == 0, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 259
 260     hr = IMediaDet_put_CurrentStream(pM, 0);
 261     ok(hr == S_OK, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 262
 263     strm = -1;
 264     hr = IMediaDet_get_CurrentStream(pM, &strm);
 265     ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 266     ok(strm == 0, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 267
 268     ZeroMemory(&mt, sizeof mt);
 269     hr = IMediaDet_get_StreamMediaType(pM, &mt);
 270     ok(hr == S_OK, "IMediaDet_get_StreamMediaType failed: %08x\n", hr);
 271     ok(IsEqualGUID(&mt.majortype, &MEDIATYPE_Video),
 272                  "IMediaDet_get_StreamMediaType\n");
 273     CoTaskMemFree(mt.pbFormat);
 274
 275     hr = IMediaDet_get_FrameRate(pM, NULL);
 276     ok(hr == E_POINTER, "IMediaDet_get_FrameRate failed: %08x\n", hr);
 277
 278     hr = IMediaDet_get_FrameRate(pM, &fps);
 279     ok(hr == S_OK, "IMediaDet_get_FrameRate failed: %08x\n", hr);
 280     ok(fps == 10.0, "IMediaDet_get_FrameRate: fps is %f\n", fps);
 281
 282     hr = IMediaDet_Release(pM);
 283     ok(hr == 0, "IMediaDet_Release returned: %x\n", hr);
 284
 285     DeleteFileW(test_avi_filename);
 286
 287     /* test_sound.avi has one video stream and one audio stream.  */
 288     hr = CoCreateInstance(&CLSID_MediaDet, NULL, CLSCTX_INPROC_SERVER,
 289             &IID_IMediaDet, (LPVOID*)&pM);
 290     ok(hr == S_OK, "CoCreateInstance failed with %x\n", hr);
 291     ok(pM != NULL, "pM is NULL\n");
 292
 293     filename = SysAllocString(test_sound_avi_filename);
 294     hr = IMediaDet_put_Filename(pM, filename);
 295     ok(hr == S_OK, "IMediaDet_put_Filename failed: %08x\n", hr);
 296     SysFreeString(filename);
 297
 298     hr = IMediaDet_get_OutputStreams(pM, &nstrms);
 299     ok(hr == S_OK, "IMediaDet_get_OutputStreams failed: %08x\n", hr);
 300     ok(nstrms == 2, "IMediaDet_get_OutputStreams: nstrms is %i\n", nstrms);
 301
 302     filename = NULL;
 303     hr = IMediaDet_get_Filename(pM, &filename);
 304     ok(hr == S_OK, "IMediaDet_get_Filename failed: %08x\n", hr);
 305     ok(lstrcmpW(filename, test_sound_avi_filename) == 0,
 306        "IMediaDet_get_Filename\n");
 307     SysFreeString(filename);
 308
 309     /* I don't know if the stream order is deterministic.  Just check
 310        for both an audio and video stream.  */
 311     flags = 0;
 312
 313     for (i = 0; i < 2; ++i)
 314     {
 315         hr = IMediaDet_put_CurrentStream(pM, i);
 316         ok(hr == S_OK, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 317
 318         strm = -1;
 319         hr = IMediaDet_get_CurrentStream(pM, &strm);
 320         ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 321         ok(strm == i, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 322
 323         ZeroMemory(&mt, sizeof mt);
 324         hr = IMediaDet_get_StreamMediaType(pM, &mt);
 325         ok(hr == S_OK, "IMediaDet_get_StreamMediaType failed: %08x\n", hr);
 326         flags += (IsEqualGUID(&mt.majortype, &MEDIATYPE_Video)
 327                   ? 1
 328                   : (IsEqualGUID(&mt.majortype, &MEDIATYPE_Audio)
 329                      ? 2
 330                      : 0));
 331
 332         if (IsEqualGUID(&mt.majortype, &MEDIATYPE_Audio))
 333         {
 334             hr = IMediaDet_get_FrameRate(pM, &fps);
 335             ok(hr == VFW_E_INVALIDMEDIATYPE, "IMediaDet_get_FrameRate failed: %08x\n", hr);
 336         }
 337
 338         CoTaskMemFree(mt.pbFormat);
 339     }
 340     ok(flags == 3, "IMediaDet_get_StreamMediaType: flags are %i\n", flags);
 341
 342     hr = IMediaDet_put_CurrentStream(pM, 2);
 343     ok(hr == E_INVALIDARG, "IMediaDet_put_CurrentStream failed: %08x\n", hr);
 344
 345     strm = -1;
 346     hr = IMediaDet_get_CurrentStream(pM, &strm);
 347     ok(hr == S_OK, "IMediaDet_get_CurrentStream failed: %08x\n", hr);
 348     ok(strm == 1, "IMediaDet_get_CurrentStream: strm is %i\n", strm);
 349
 350     hr = IMediaDet_Release(pM);
 351     ok(hr == 0, "IMediaDet_Release returned: %x\n", hr);
 352
 353     DeleteFileW(test_sound_avi_filename);
 354 }
 355
 356 static void test_samplegrabber(void)
 357 {
 358     struct unk_impl unk_obj = {{&unk_vtbl}, 19, NULL};
 359     ISampleGrabber *sg;
 360     IBaseFilter *bf;
 361     IMediaFilter *mf;
 362     IPersist *persist;
 363     IUnknown *unk;
 364     ULONG refcount;
 365     HRESULT hr;
 366
 367     /* COM aggregation */
 368     hr = CoCreateInstance(&CLSID_SampleGrabber, &unk_obj.IUnknown_iface, CLSCTX_INPROC_SERVER,
 369             &IID_IUnknown, (void**)&unk_obj.inner_unk);
 370     ok(hr == S_OK, "CoCreateInstance failed: %08x\n", hr);
 371
 372     hr = IUnknown_QueryInterface(unk_obj.inner_unk, &IID_ISampleGrabber, (void**)&sg);
 373     ok(hr == S_OK, "QueryInterface for IID_ISampleGrabber failed: %08x\n", hr);
 374     refcount = ISampleGrabber_AddRef(sg);
 375     ok(refcount == unk_obj.ref, "SampleGrabber just pretends to support COM aggregation\n");
 376     refcount = ISampleGrabber_Release(sg);
 377     ok(refcount == unk_obj.ref, "SampleGrabber just pretends to support COM aggregation\n");
 378     refcount = ISampleGrabber_Release(sg);
 379     ok(refcount == 19, "Refcount should be back at 19 but is %u\n", refcount);
 380     IUnknown_Release(unk_obj.inner_unk);
 381
 382     /* Invalid RIID */
 383     hr = CoCreateInstance(&CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, &IID_IClassFactory,
 384             (void**)&sg);
 385     ok(hr == E_NOINTERFACE, "SampleGrabber create failed: %08x, expected E_NOINTERFACE\n", hr);
 386
 387     /* Same refcount for all SampleGrabber interfaces */
 388     hr = CoCreateInstance(&CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, &IID_ISampleGrabber,
 389             (void**)&sg);
 390     ok(hr == S_OK, "SampleGrabber create failed: %08x, expected S_OK\n", hr);
 391     refcount = ISampleGrabber_AddRef(sg);
 392     ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
 393
 394     hr = ISampleGrabber_QueryInterface(sg, &IID_IBaseFilter, (void**)&bf);
 395     ok(hr == S_OK, "QueryInterface for IID_IBaseFilter failed: %08x\n", hr);
 396     refcount = IBaseFilter_AddRef(bf);
 397     ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
 398     refcount = IBaseFilter_Release(bf);
 399
 400     hr = ISampleGrabber_QueryInterface(sg, &IID_IMediaFilter, (void**)&mf);
 401     ok(hr == S_OK, "QueryInterface for IID_IMediaFilter failed: %08x\n", hr);
 402     refcount = IMediaFilter_AddRef(mf);
 403     ok(refcount == 5, "refcount == %u, expected 5\n", refcount);
 404     refcount = IMediaFilter_Release(mf);
 405
 406     hr = ISampleGrabber_QueryInterface(sg, &IID_IPersist, (void**)&persist);
 407     ok(hr == S_OK, "QueryInterface for IID_IPersist failed: %08x\n", hr);
 408     refcount = IPersist_AddRef(persist);
 409     ok(refcount == 6, "refcount == %u, expected 6\n", refcount);
 410     refcount = IPersist_Release(persist);
 411
 412     hr = ISampleGrabber_QueryInterface(sg, &IID_IUnknown, (void**)&unk);
 413     ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
 414     refcount = IUnknown_AddRef(unk);
 415     ok(refcount == 7, "refcount == %u, expected 7\n", refcount);
 416     refcount = IUnknown_Release(unk);
 417
 418     /* Interfaces that native does not support */
 419     hr = ISampleGrabber_QueryInterface(sg, &IID_IMediaPosition, (void**)&unk);
 420     todo_wine ok(hr == E_NOINTERFACE, "QueryInterface for IID_IMediaPosition failed: %08x\n", hr);
 421     hr = ISampleGrabber_QueryInterface(sg, &IID_IMediaSeeking, (void**)&unk);
 422     todo_wine ok(hr == E_NOINTERFACE, "QueryInterface for IID_IMediaSeeking failed: %08x\n", hr);
 423     hr = ISampleGrabber_QueryInterface(sg, &IID_IMemInputPin, (void**)&unk);
 424     ok(hr == E_NOINTERFACE, "QueryInterface for IID_IMemInputPin failed: %08x\n", hr);
 425     hr = ISampleGrabber_QueryInterface(sg, &IID_IQualityControl, (void**)&unk);
 426     ok(hr == E_NOINTERFACE, "QueryInterface for IID_IQualityControl failed: %08x\n", hr);
 427     hr = ISampleGrabber_QueryInterface(sg, &IID_ISeekingPassThru, (void**)&unk);
 428     ok(hr == E_NOINTERFACE, "QueryInterface for IID_ISeekingPassThru failed: %08x\n", hr);
 429
 430     while (ISampleGrabber_Release(sg));
 431 }
 432
 433 static void test_COM_sg_enumpins(void)
 434 {
 435     IBaseFilter *bf;
 436     IEnumPins *pins, *pins2;
 437     IUnknown *unk;
 438     ULONG refcount;
 439     HRESULT hr;
 440
 441     hr = CoCreateInstance(&CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, &IID_IBaseFilter,
 442             (void**)&bf);
 443     ok(hr == S_OK, "SampleGrabber create failed: %08x, expected S_OK\n", hr);
 444     hr = IBaseFilter_EnumPins(bf, &pins);
 445     ok(hr == S_OK, "EnumPins create failed: %08x, expected S_OK\n", hr);
 446
 447     /* Same refcount for all EnumPins interfaces */
 448     refcount = IEnumPins_AddRef(pins);
 449     ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
 450     hr = IEnumPins_QueryInterface(pins, &IID_IEnumPins, (void**)&pins2);
 451     ok(hr == S_OK, "QueryInterface for IID_IEnumPins failed: %08x\n", hr);
 452     ok(pins == pins2, "QueryInterface for self failed (%p != %p)\n", pins, pins2);
 453     IEnumPins_Release(pins2);
 454
 455     hr = IEnumPins_QueryInterface(pins, &IID_IUnknown, (void**)&unk);
 456     ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
 457     refcount = IUnknown_AddRef(unk);
 458     ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
 459     refcount = IUnknown_Release(unk);
 460
 461     while (IEnumPins_Release(pins));
 462     IBaseFilter_Release(bf);
 463 }
 464
 465 START_TEST(mediadet)
 466 {
 467     if (!init_tests())
 468     {
 469         skip("Couldn't initialize tests!\n");
 470         return;
 471     }
 472
 473     CoInitialize(NULL);
 474     test_mediadet();
 475     test_samplegrabber();
 476     test_COM_sg_enumpins();
 477     CoUninitialize();
 478 }