dlls/quartz/tests/avisplitter.c

   1 /*
   2  * Unit tests for the avi splitter functions
   3  *
   4  * Copyright (C) 2007 Google (Lei Zhang)
   5  * Copyright (C) 2008 Google (Maarten Lankhorst)
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #define COBJMACROS
  23
  24 #include "wine/test.h"
  25 #include "dshow.h"
  26 #include "tlhelp32.h"
  27
  28 static HANDLE (WINAPI *pCreateToolhelp32Snapshot)(DWORD, DWORD);
  29 static BOOL (WINAPI *pThread32First)(HANDLE, LPTHREADENTRY32);
  30 static BOOL (WINAPI *pThread32Next)(HANDLE, LPTHREADENTRY32);
  31
  32 static IUnknown *pAviSplitter = NULL;
  33
  34 static int count_threads(void)
  35 {
  36     THREADENTRY32 te;
  37     int threads;
  38     HANDLE h;
  39
  40     h = pCreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
  41     te.dwSize = sizeof(te);
  42
  43     if (h == INVALID_HANDLE_VALUE)
  44         return -1;
  45
  46     pThread32First(h, &te);
  47     if (te.th32OwnerProcessID == GetCurrentProcessId())
  48         threads = 1;
  49     else
  50         threads = 0;
  51
  52     while (pThread32Next(h, &te))
  53         if (te.th32OwnerProcessID == GetCurrentProcessId())
  54             ++threads;
  55
  56     CloseHandle(h);
  57     return threads;
  58 }
  59
  60 static int create_avisplitter(void)
  61 {
  62     HRESULT hr;
  63
  64     hr = CoCreateInstance(&CLSID_AviSplitter, NULL, CLSCTX_INPROC_SERVER,
  65                           &IID_IUnknown, (LPVOID*)&pAviSplitter);
  66     return (hr == S_OK && pAviSplitter != NULL);
  67 }
  68
  69 static void release_avisplitter(void)
  70 {
  71     HRESULT hr;
  72
  73     Sleep(1000);
  74     hr = IUnknown_Release(pAviSplitter);
  75
  76     /* Looks like wine has a reference leak somewhere on test_threads tests,
  77      * it passes in windows
  78      */
  79     ok(hr == 0, "IUnknown_Release failed with %d\n", (INT)hr);
  80
  81     while (hr > 0)
  82         hr = IUnknown_Release(pAviSplitter);
  83     pAviSplitter = NULL;
  84 }
  85
  86 static void test_query_interface(void)
  87 {
  88     HRESULT hr;
  89     ULONG ref;
  90     IUnknown *iface= NULL;
  91
  92     hr = IUnknown_QueryInterface(pAviSplitter, &IID_IBaseFilter,
  93         (void**)&iface);
  94
  95     ok(hr == S_OK,
  96         "IID_IBaseFilter should exist, got %08x!\n", GetLastError());
  97     if (hr == S_OK)
  98     {
  99         ref = IUnknown_Release(iface);
 100         iface = NULL;
 101         ok(ref == 1, "Reference is %u, expected 1\n", ref);
 102     }
 103
 104     hr = IUnknown_QueryInterface(pAviSplitter, &IID_IMediaSeeking,
 105         (void**)&iface);
 106     if (hr == S_OK)
 107         ref = IUnknown_Release(iface);
 108     iface = NULL;
 109     todo_wine ok(hr == E_NOINTERFACE,
 110         "Query for IMediaSeeking returned: %08x\n", hr);
 111
 112 /* These interfaces should not be present:
 113     IID_IKsPropertySet, IID_IMediaPosition, IID_IQualityControl, IID_IQualProp
 114 */
 115 }
 116
 117 static void test_pin(IPin *pin)
 118 {
 119     IMemInputPin *mpin = NULL;
 120
 121     IPin_QueryInterface(pin, &IID_IMemInputPin, (void **)&mpin);
 122
 123     ok(mpin == NULL, "IMemInputPin found!\n");
 124     if (mpin)
 125         IMemInputPin_Release(mpin);
 126     /* TODO */
 127 }
 128
 129 static void test_basefilter(void)
 130 {
 131     IEnumPins *pin_enum = NULL;
 132     IBaseFilter *base = NULL;
 133     IPin *pins[2];
 134     ULONG ref;
 135     HRESULT hr;
 136
 137     IUnknown_QueryInterface(pAviSplitter, &IID_IBaseFilter, (void *)&base);
 138     if (base == NULL)
 139     {
 140         /* test_query_interface handles this case */
 141         skip("No IBaseFilter\n");
 142         return;
 143     }
 144
 145     hr = IBaseFilter_EnumPins(base, NULL);
 146     ok(hr == E_POINTER, "hr = %08x and not E_POINTER\n", hr);
 147
 148     hr= IBaseFilter_EnumPins(base, &pin_enum);
 149     ok(hr == S_OK, "hr = %08x and not S_OK\n", hr);
 150
 151     hr = IEnumPins_Next(pin_enum, 1, NULL, NULL);
 152     ok(hr == E_POINTER, "hr = %08x and not E_POINTER\n", hr);
 153
 154     hr = IEnumPins_Next(pin_enum, 2, pins, NULL);
 155     ok(hr == E_INVALIDARG, "hr = %08x and not E_INVALIDARG\n", hr);
 156
 157     pins[0] = (void *)0xdead;
 158     pins[1] = (void *)0xdeed;
 159
 160     hr = IEnumPins_Next(pin_enum, 2, pins, &ref);
 161     ok(hr == S_FALSE, "hr = %08x instead of S_FALSE\n", hr);
 162     ok(pins[0] != (void *)0xdead && pins[0] != NULL,
 163         "pins[0] = %p\n", pins[0]);
 164     if (pins[0] != (void *)0xdead && pins[0] != NULL)
 165     {
 166         test_pin(pins[0]);
 167         IPin_Release(pins[0]);
 168     }
 169
 170     ok(pins[1] == (void *)0xdeed, "pins[1] = %p\n", pins[1]);
 171
 172     ref = IEnumPins_Release(pin_enum);
 173     ok(ref == 0, "ref is %u and not 0!\n", ref);
 174
 175     IBaseFilter_Release(base);
 176 }
 177
 178 static const WCHAR wfile[] = {'t','e','s','t','.','a','v','i',0};
 179 static const char afile[] = "test.avi";
 180
 181 /* This test doesn't use the quartz filtergraph because it makes it impossible
 182  * to be certain that a thread is really one owned by the avi splitter
 183  * A lot of the decoder filters will also have their own thread, and windows'
 184  * filtergraph has a separate thread for start/stop/seeking requests.
 185  * By avoiding the filtergraph all together and connecting streams directly to
 186  * the null renderer I am sure that this is not the case here.
 187  */
 188 static void test_threads()
 189 {
 190     IFileSourceFilter *pfile = NULL;
 191     IBaseFilter *preader = NULL, *pavi = NULL;
 192     IEnumPins *enumpins = NULL;
 193     IPin *filepin = NULL, *avipin = NULL;
 194     HRESULT hr;
 195     int baselevel, curlevel, expected;
 196     HANDLE file = NULL;
 197     PIN_DIRECTION dir = PINDIR_OUTPUT;
 198     char buffer[13];
 199     DWORD readbytes;
 200     FILTER_STATE state;
 201
 202     /* We need another way of counting threads on NT4. Skip these tests (for now) */
 203     if (!pCreateToolhelp32Snapshot || !pThread32First || !pThread32Next)
 204     {
 205         win_skip("Needed thread functions are not available (NT4)\n");
 206         return;
 207     }
 208
 209     /* Before doing anything (number of threads at the start differs per OS) */
 210     baselevel = count_threads();
 211
 212     file = CreateFileW(wfile, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
 213         NULL, OPEN_EXISTING, 0, NULL);
 214     if (file == INVALID_HANDLE_VALUE)
 215     {
 216         skip("Could not read test file \"%s\", skipping test\n", afile);
 217         return;
 218     }
 219
 220     memset(buffer, 0, 13);
 221     readbytes = 12;
 222     ReadFile(file, buffer, readbytes, &readbytes, NULL);
 223     CloseHandle(file);
 224     if (strncmp(buffer, "RIFF", 4) || strcmp(buffer + 8, "AVI "))
 225     {
 226         skip("%s is not an avi riff file, not doing the avi splitter test\n",
 227             afile);
 228         return;
 229     }
 230
 231     hr = IUnknown_QueryInterface(pAviSplitter, &IID_IFileSourceFilter,
 232         (void **)&pfile);
 233     ok(hr == E_NOINTERFACE,
 234         "Avi splitter returns unexpected error: %08x\n", hr);
 235     if (pfile)
 236         IUnknown_Release(pfile);
 237     pfile = NULL;
 238
 239     hr = CoCreateInstance(&CLSID_AsyncReader, NULL, CLSCTX_INPROC_SERVER,
 240         &IID_IBaseFilter, (LPVOID*)&preader);
 241     ok(hr == S_OK, "Could not create asynchronous reader: %08x\n", hr);
 242     if (hr != S_OK)
 243         goto fail;
 244
 245     hr = IUnknown_QueryInterface(preader, &IID_IFileSourceFilter,
 246         (void**)&pfile);
 247     ok(hr == S_OK, "Could not get IFileSourceFilter: %08x\n", hr);
 248     if (hr != S_OK)
 249         goto fail;
 250
 251     hr = IUnknown_QueryInterface(pAviSplitter, &IID_IBaseFilter,
 252         (void**)&pavi);
 253     ok(hr == S_OK, "Could not get base filter: %08x\n", hr);
 254     if (hr != S_OK)
 255         goto fail;
 256
 257     hr = IFileSourceFilter_Load(pfile, wfile, NULL);
 258     if (hr != S_OK)
 259     {
 260         trace("Could not load file\n");
 261         goto fail;
 262     }
 263
 264     hr = IBaseFilter_EnumPins(preader, &enumpins);
 265     ok(hr == S_OK, "No enumpins: %08x\n", hr);
 266     if (hr != S_OK)
 267         goto fail;
 268
 269     hr = IEnumPins_Next(enumpins, 1, &filepin, NULL);
 270     ok(hr == S_OK, "No pin: %08x\n", hr);
 271     if (hr != S_OK)
 272         goto fail;
 273
 274     IUnknown_Release(enumpins);
 275     enumpins = NULL;
 276
 277     hr = IBaseFilter_EnumPins(pavi, &enumpins);
 278     ok(hr == S_OK, "No enumpins: %08x\n", hr);
 279     if (hr != S_OK)
 280         goto fail;
 281
 282     hr = IEnumPins_Next(enumpins, 1, &avipin, NULL);
 283     ok(hr == S_OK, "No pin: %08x\n", hr);
 284     if (hr != S_OK)
 285         goto fail;
 286
 287     curlevel = count_threads();
 288     ok(curlevel == baselevel,
 289         "Amount of threads should be %d not %d\n", baselevel, curlevel);
 290
 291     hr = IPin_Connect(filepin, avipin, NULL);
 292     ok(hr == S_OK, "Could not connect: %08x\n", hr);
 293     if (hr != S_OK)
 294         goto fail;
 295
 296     expected = 1 + baselevel;
 297     curlevel = count_threads();
 298     ok(curlevel == expected,
 299         "Amount of threads should be %d not %d\n", expected, curlevel);
 300
 301     IUnknown_Release(avipin);
 302     avipin = NULL;
 303
 304     IEnumPins_Reset(enumpins);
 305
 306     /* Windows puts the pins in the order: Outputpins - Inputpin,
 307      * wine does the reverse, just don't test it for now
 308      * Hate to admit it, but windows way makes more sense
 309      */
 310     while (IEnumPins_Next(enumpins, 1, &avipin, NULL) == S_OK)
 311     {
 312         ok(hr == S_OK, "hr: %08x\n", hr);
 313         IPin_QueryDirection(avipin, &dir);
 314         if (dir == PINDIR_OUTPUT)
 315         {
 316             /* Well, connect it to a null renderer! */
 317             IBaseFilter *pnull = NULL;
 318             IEnumPins *nullenum = NULL;
 319             IPin *nullpin = NULL;
 320
 321             hr = CoCreateInstance(&CLSID_NullRenderer, NULL,
 322                 CLSCTX_INPROC_SERVER, &IID_IBaseFilter, (LPVOID*)&pnull);
 323             ok(hr == S_OK, "Could not create null renderer: %08x\n", hr);
 324             if (hr != S_OK)
 325                 break;
 326
 327             IBaseFilter_EnumPins(pnull, &nullenum);
 328             IEnumPins_Next(nullenum, 1, &nullpin, NULL);
 329             IEnumPins_Release(nullenum);
 330             IPin_QueryDirection(nullpin, &dir);
 331
 332             hr = IPin_Connect(avipin, nullpin, NULL);
 333             ok(hr == S_OK, "Failed to connect output pin: %08x\n", hr);
 334             IPin_Release(nullpin);
 335             if (hr != S_OK)
 336             {
 337                 IBaseFilter_Release(pnull);
 338                 break;
 339             }
 340             IBaseFilter_Run(pnull, 0);
 341             ++expected;
 342         }
 343
 344         IUnknown_Release(avipin);
 345         avipin = NULL;
 346     }
 347
 348     if (avipin)
 349         IUnknown_Release(avipin);
 350     avipin = NULL;
 351
 352     if (hr != S_OK)
 353         goto fail2;
 354     /* At this point there is a minimalistic connected avi splitter that can
 355      * Be used for all sorts of source filter tests, however that still needs
 356      * to be written at a later time.
 357      *
 358      * Interesting tests:
 359      * - Can you disconnect an output pin while running?
 360      *   Expecting: Yes
 361      * - Can you disconnect the pullpin while running?
 362      *   Expecting: No
 363      * - Is the reference count incremented during playback or when connected?
 364      *   Does this happen once for every output pin? Or is there something else
 365      *   going on.
 366      *   Expecting: You tell me
 367      */
 368
 369     IBaseFilter_Run(preader, 0);
 370     IBaseFilter_Run(pavi, 0);
 371     IBaseFilter_GetState(pavi, INFINITE, &state);
 372
 373     curlevel = count_threads();
 374     ok(curlevel == expected,
 375         "Amount of threads should be %d not %d\n", expected, curlevel);
 376
 377     IBaseFilter_Pause(pavi);
 378     IBaseFilter_Pause(preader);
 379     IBaseFilter_Stop(pavi);
 380     IBaseFilter_Stop(preader);
 381     IBaseFilter_GetState(pavi, INFINITE, &state);
 382     IBaseFilter_GetState(preader, INFINITE, &state);
 383
 384 fail2:
 385     IEnumPins_Reset(enumpins);
 386     while (IEnumPins_Next(enumpins, 1, &avipin, NULL) == S_OK)
 387     {
 388         IPin *to = NULL;
 389
 390         IPin_QueryDirection(avipin, &dir);
 391         IPin_ConnectedTo(avipin, &to);
 392         if (to)
 393         {
 394             IPin_Release(to);
 395
 396             if (dir == PINDIR_OUTPUT)
 397             {
 398                 PIN_INFO info;
 399                 IPin_QueryPinInfo(to, &info);
 400
 401                 /* Release twice: Once normal, second from the
 402                  * previous while loop
 403                  */
 404                 IBaseFilter_Stop(info.pFilter);
 405                 IPin_Disconnect(to);
 406                 IPin_Disconnect(avipin);
 407                 IBaseFilter_Release(info.pFilter);
 408                 IBaseFilter_Release(info.pFilter);
 409             }
 410             else
 411             {
 412                 IPin_Disconnect(to);
 413                 IPin_Disconnect(avipin);
 414             }
 415         }
 416         IPin_Release(avipin);
 417         avipin = NULL;
 418     }
 419
 420 fail:
 421     if (hr != S_OK)
 422         skip("Prerequisites not matched, skipping remainder of test\n");
 423     if (enumpins)
 424         IUnknown_Release(enumpins);
 425
 426     if (avipin)
 427         IUnknown_Release(avipin);
 428     if (filepin)
 429     {
 430         IPin *to = NULL;
 431
 432         IPin_ConnectedTo(filepin, &to);
 433         if (to)
 434         {
 435             IPin_Disconnect(filepin);
 436             IPin_Disconnect(to);
 437         }
 438         IUnknown_Release(filepin);
 439     }
 440
 441     if (preader)
 442         IUnknown_Release(preader);
 443     if (pavi)
 444         IUnknown_Release(pavi);
 445     if (pfile)
 446         IUnknown_Release(pfile);
 447
 448     curlevel = count_threads();
 449     todo_wine
 450     ok(curlevel == baselevel,
 451         "Amount of threads should be %d not %d\n", baselevel, curlevel);
 452 }
 453
 454 START_TEST(avisplitter)
 455 {
 456     HMODULE kernel32 = GetModuleHandleA("kernel32.dll");
 457
 458     pCreateToolhelp32Snapshot = (void*)GetProcAddress(kernel32, "CreateToolhelp32Snapshot");
 459     pThread32First = (void*)GetProcAddress(kernel32, "Thread32First");
 460     pThread32Next = (void*)GetProcAddress(kernel32, "Thread32Next");
 461
 462     CoInitialize(NULL);
 463
 464     if (!create_avisplitter())
 465     {
 466         skip("Could not create avisplitter\n");
 467         return;
 468     }
 469
 470     test_query_interface();
 471     test_basefilter();
 472     test_threads();
 473
 474     release_avisplitter();
 475
 476     CoUninitialize();
 477 }