dlls/dmusic/tests/dmusic.c

   1 /*
   2  * Unit tests for dmusic functions
   3  *
   4  * Copyright (C) 2012 Christian Costa
   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
  23 #include <stdio.h>
  24
  25 #include "wine/test.h"
  26 #include "uuids.h"
  27 #include "ole2.h"
  28 #include "initguid.h"
  29 #include "dmusici.h"
  30 #include "dmksctrl.h"
  31
  32 static inline const char* debugstr_longlong(ULONGLONG ll)
  33 {
  34     static char string[17];
  35     if (sizeof(ll) > sizeof(unsigned long) && ll >> 32)
  36         sprintf(string, "%lx%08lx", (unsigned long)(ll >> 32), (unsigned long)ll);
  37     else
  38         sprintf(string, "%lx", (unsigned long)ll);
  39     return string;
  40 }
  41
  42 static void test_dmusic(void)
  43 {
  44     IDirectMusic *dmusic = NULL;
  45     HRESULT hr;
  46     ULONG index = 0;
  47     DMUS_PORTCAPS port_caps;
  48     DMUS_PORTPARAMS port_params;
  49     IDirectMusicPort *port = NULL;
  50     DMUS_CLOCKINFO clock_info;
  51     GUID guid_clock;
  52     IReferenceClock *clock = NULL;
  53
  54     hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic, (LPVOID*)&dmusic);
  55     ok(hr == S_OK, "Cannot create DirectMusic object (%x)\n", hr);
  56
  57     hr = IDirectMusic_GetMasterClock(dmusic, &guid_clock, &clock);
  58     ok(hr == S_OK, "IDirectMusic_GetMasterClock returned: %x\n", hr);
  59     ok(clock != NULL, "No clock returned\n");
  60     trace("  guidPort = %s\n", wine_dbgstr_guid(&guid_clock));
  61     if (clock)
  62         IReferenceClock_Release(clock);
  63
  64     port_params.dwSize = sizeof(port_params);
  65     port_params.dwValidParams = DMUS_PORTPARAMS_CHANNELGROUPS | DMUS_PORTPARAMS_AUDIOCHANNELS;
  66     port_params.dwChannelGroups = 1;
  67     port_params.dwAudioChannels = 2;
  68
  69     /* No port can be created before SetDirectSound is called */
  70     hr = IDirectMusic_CreatePort(dmusic, &GUID_NULL, &port_params, &port, NULL);
  71     todo_wine ok(hr == DMUS_E_DSOUND_NOT_SET, "IDirectMusic_CreatePort returned: %x\n", hr);
  72
  73     hr = IDirectMusic_SetDirectSound(dmusic, NULL, NULL);
  74     ok(hr == S_OK, "IDirectMusic_SetDirectSound returned: %x\n", hr);
  75
  76     /* Check wrong params */
  77     hr = IDirectMusic_CreatePort(dmusic, &GUID_NULL, &port_params, &port, (IUnknown*)dmusic);
  78     ok(hr == CLASS_E_NOAGGREGATION, "IDirectMusic_CreatePort returned: %x\n", hr);
  79     hr = IDirectMusic_CreatePort(dmusic, NULL, &port_params, &port, NULL);
  80     ok(hr == E_POINTER, "IDirectMusic_CreatePort returned: %x\n", hr);
  81     hr = IDirectMusic_CreatePort(dmusic, &GUID_NULL, NULL, &port, NULL);
  82     ok(hr == E_INVALIDARG, "IDirectMusic_CreatePort returned: %x\n", hr);
  83     hr = IDirectMusic_CreatePort(dmusic, &GUID_NULL, &port_params, NULL, NULL);
  84     ok(hr == E_POINTER, "IDirectMusic_CreatePort returned: %x\n", hr);
  85
  86     /* Test creation of default port with GUID_NULL */
  87     hr = IDirectMusic_CreatePort(dmusic, &GUID_NULL, &port_params, &port, NULL);
  88     ok(hr == S_OK, "IDirectMusic_CreatePort returned: %x\n", hr);
  89
  90     port_caps.dwSize = sizeof(port_caps);
  91     while (IDirectMusic_EnumPort(dmusic, index, &port_caps) == S_OK)
  92     {
  93         ok(port_caps.dwSize == sizeof(port_caps), "DMUS_PORTCAPS dwSize member is wrong (%u)\n", port_caps.dwSize);
  94         trace("Port %u:\n", index);
  95         trace("  dwFlags            = %x\n", port_caps.dwFlags);
  96         trace("  guidPort           = %s\n", wine_dbgstr_guid(&port_caps.guidPort));
  97         trace("  dwClass            = %u\n", port_caps.dwClass);
  98         trace("  dwType             = %u\n", port_caps.dwType);
  99         trace("  dwMemorySize       = %u\n", port_caps.dwMemorySize);
 100         trace("  dwMaxChannelGroups = %u\n", port_caps.dwMaxChannelGroups);
 101         trace("  dwMaxVoices        = %u\n", port_caps.dwMaxVoices);
 102         trace("  dwMaxAudioChannels = %u\n", port_caps.dwMaxAudioChannels);
 103         trace("  dwEffectFlags      = %x\n", port_caps.dwEffectFlags);
 104         trace("  wszDescription     = %s\n", wine_dbgstr_w(port_caps.wszDescription));
 105         index++;
 106     }
 107
 108     index = 0;
 109     clock_info.dwSize = sizeof(clock_info);
 110     while (IDirectMusic_EnumMasterClock(dmusic, index, &clock_info) == S_OK)
 111     {
 112         ok(clock_info.dwSize == sizeof(clock_info), "DMUS_CLOCKINFO dwSize member is wrong (%u)\n", clock_info.dwSize);
 113         trace("Clock %u:\n", index);
 114         trace("  ctType         = %u\n", clock_info.ctType);
 115         trace("  guidClock      = %s\n", wine_dbgstr_guid(&clock_info.guidClock));
 116         trace("  wszDescription = %s\n", wine_dbgstr_w(clock_info.wszDescription));
 117         index++;
 118     }
 119
 120     if (port)
 121         IDirectMusicPort_Release(port);
 122     IDirectMusic_Release(dmusic);
 123 }
 124
 125 static void test_dmbuffer(void)
 126 {
 127     IDirectMusic *dmusic;
 128     IDirectMusicBuffer *dmbuffer = NULL;
 129     HRESULT hr;
 130     DMUS_BUFFERDESC desc;
 131     GUID format;
 132     DWORD size;
 133     DWORD bytes;
 134     REFERENCE_TIME time;
 135     LPBYTE data;
 136
 137     hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic, (LPVOID*)&dmusic);
 138     ok(hr == S_OK, "Cannot create DirectMusic object (%x)\n", hr);
 139
 140     desc.dwSize = sizeof(DMUS_BUFFERDESC);
 141     desc.dwFlags = 0;
 142     desc.cbBuffer = 1023;
 143     memcpy(&desc.guidBufferFormat, &GUID_NULL, sizeof(GUID));
 144
 145     hr = IDirectMusic_CreateMusicBuffer(dmusic, &desc, &dmbuffer, NULL);
 146     ok(hr == S_OK, "IDirectMusic_CreateMusicBuffer return %x\n", hr);
 147
 148     hr = IDirectMusicBuffer_GetBufferFormat(dmbuffer, &format);
 149     ok(hr == S_OK, "IDirectMusicBuffer_GetBufferFormat returned %x\n", hr);
 150     ok(IsEqualGUID(&format, &KSDATAFORMAT_SUBTYPE_MIDI), "Wrong format returned %s\n", wine_dbgstr_guid(&format));
 151     hr = IDirectMusicBuffer_GetMaxBytes(dmbuffer, &size);
 152     ok(hr == S_OK, "IDirectMusicBuffer_GetMaxBytes returned %x\n", hr);
 153     ok(size == 1024, "Buffer size is %u instead of 1024\n", size);
 154
 155     hr = IDirectMusicBuffer_GetStartTime(dmbuffer, &time);
 156     ok(hr == DMUS_E_BUFFER_EMPTY, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
 157     hr = IDirectMusicBuffer_SetStartTime(dmbuffer, 10);
 158     ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
 159     hr = IDirectMusicBuffer_GetStartTime(dmbuffer, &time);
 160     ok(hr == DMUS_E_BUFFER_EMPTY, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
 161
 162     hr = IDirectMusicBuffer_PackStructured(dmbuffer, 20, 0, 0);
 163     ok(hr == DMUS_E_INVALID_EVENT, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
 164     hr = IDirectMusicBuffer_PackStructured(dmbuffer, 20, 0, 0x000090); /* note on : chan 0, note 0 & vel 0 */
 165     ok(hr == S_OK, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
 166     hr = IDirectMusicBuffer_PackStructured(dmbuffer, 30, 0, 0x000080); /* note off : chan 0, note 0 & vel 0 */
 167     ok(hr == S_OK, "IDirectMusicBuffer_PackStructured returned %x\n", hr);
 168     hr = IDirectMusicBuffer_GetUsedBytes(dmbuffer, &bytes);
 169     ok(hr == S_OK, "IDirectMusicBuffer_GetUsedBytes returned %x\n", hr);
 170     ok(bytes == 48, "Buffer size is %u instead of 48\n", bytes);
 171
 172     hr = IDirectMusicBuffer_GetStartTime(dmbuffer, &time);
 173     ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
 174     ok(time == 20, "Buffer start time is wrong\n");
 175     hr = IDirectMusicBuffer_SetStartTime(dmbuffer, 40);
 176     ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
 177     hr = IDirectMusicBuffer_GetStartTime(dmbuffer, &time);
 178     ok(hr == S_OK, "IDirectMusicBuffer_GetStartTime returned %x\n", hr);
 179     ok(time == 40, "Buffer start time is wrong\n");
 180
 181     hr = IDirectMusicBuffer_GetRawBufferPtr(dmbuffer, &data);
 182     ok(hr == S_OK, "IDirectMusicBuffer_GetRawBufferPtr returned %x\n", hr);
 183     if (hr == S_OK)
 184     {
 185         DMUS_EVENTHEADER* header;
 186         DWORD message;
 187
 188         /* Check message 1 */
 189         header = (DMUS_EVENTHEADER*)data;
 190         data += sizeof(DMUS_EVENTHEADER);
 191         ok(header->cbEvent == 3, "cbEvent is %u instead of 3\n", header->cbEvent);
 192         ok(header->dwChannelGroup == 0, "dwChannelGroup is %u instead of 0\n", header->dwChannelGroup);
 193         ok(header->rtDelta == 0, "rtDelta is %s instead of 0\n", debugstr_longlong(header->rtDelta));
 194         ok(header->dwFlags == DMUS_EVENT_STRUCTURED, "dwFlags is %x instead of %x\n", header->dwFlags, DMUS_EVENT_STRUCTURED);
 195         message = *(DWORD*)data & 0xffffff; /* Only 3 bytes are relevant */
 196         data += sizeof(DWORD);
 197         ok(message == 0x000090, "Message is %0x instead of 0x000090\n", message);
 198
 199         /* Check message 2 */
 200         header = (DMUS_EVENTHEADER*)data;
 201         data += sizeof(DMUS_EVENTHEADER);
 202         ok(header->cbEvent == 3, "cbEvent is %u instead of 3\n", header->cbEvent);
 203         ok(header->dwChannelGroup == 0, "dwChannelGroup is %u instead of 0\n", header->dwChannelGroup);
 204         ok(header->rtDelta == 10, "rtDelta is %s instead of 0\n", debugstr_longlong(header->rtDelta));
 205         ok(header->dwFlags == DMUS_EVENT_STRUCTURED, "dwFlags is %x instead of %x\n", header->dwFlags, DMUS_EVENT_STRUCTURED);
 206         message = *(DWORD*)data & 0xffffff; /* Only 3 bytes are relevant */
 207         ok(message == 0x000080, "Message 2 is %0x instead of 0x000080\n", message);
 208     }
 209
 210     if (dmbuffer)
 211         IDirectMusicBuffer_Release(dmbuffer);
 212     IDirectMusic_Release(dmusic);
 213 }
 214
 215 static void test_COM(void)
 216 {
 217     IDirectMusic8 *dm8 = (IDirectMusic8*)0xdeadbeef;
 218     IDirectMusic *dm;
 219     IUnknown *unk;
 220     ULONG refcount;
 221     HRESULT hr;
 222
 223     /* COM aggregation */
 224     hr = CoCreateInstance(&CLSID_DirectMusic, (IUnknown*)&dm8, CLSCTX_INPROC_SERVER, &IID_IUnknown,
 225             (void**)&dm8);
 226     ok(hr == CLASS_E_NOAGGREGATION,
 227             "DirectMusic8 create failed: %08x, expected CLASS_E_NOAGGREGATION\n", hr);
 228     ok(!dm8, "dm8 = %p\n", dm8);
 229
 230     /* Invalid RIID */
 231     hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject,
 232             (void**)&dm8);
 233     ok(hr == E_NOINTERFACE, "DirectMusic8 create failed: %08x, expected E_NOINTERFACE\n", hr);
 234
 235     /* Same refcount for DirectMusic and DirectMusic8 */
 236     hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic8,
 237             (void**)&dm8);
 238     if (hr == E_NOINTERFACE)
 239     {
 240         win_skip("DirectMusic too old (no IDirectMusic8)\n");
 241         return;
 242     }
 243     ok(hr == S_OK, "DirectMusic8 create failed: %08x, expected S_OK\n", hr);
 244     refcount = IDirectMusic8_AddRef(dm8);
 245     ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
 246
 247     hr = IDirectMusic8_QueryInterface(dm8, &IID_IDirectMusic, (void**)&dm);
 248     ok(hr == S_OK, "QueryInterface for IID_IDirectMusic failed: %08x\n", hr);
 249     refcount = IDirectMusic_AddRef(dm);
 250     ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
 251     IDirectMusic_Release(dm);
 252
 253     hr = IDirectMusic8_QueryInterface(dm8, &IID_IUnknown, (void**)&unk);
 254     ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
 255     refcount = IUnknown_AddRef(unk);
 256     ok(refcount == 5, "refcount == %u, expected 5\n", refcount);
 257     refcount = IUnknown_Release(unk);
 258
 259     ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
 260     while (IDirectMusic8_Release(dm8));
 261 }
 262
 263 static void test_COM_dmcoll(void)
 264 {
 265     IDirectMusicCollection *dmc = (IDirectMusicCollection*)0xdeadbeef;
 266     IDirectMusicObject *dmo;
 267     IPersistStream *ps;
 268     IUnknown *unk;
 269     ULONG refcount;
 270     HRESULT hr;
 271
 272     /* COM aggregation */
 273     hr = CoCreateInstance(&CLSID_DirectMusicCollection, (IUnknown*)&dmc, CLSCTX_INPROC_SERVER,
 274             &IID_IUnknown, (void**)&dmc);
 275     ok(hr == CLASS_E_NOAGGREGATION,
 276             "DirectMusicCollection create failed: %08x, expected CLASS_E_NOAGGREGATION\n", hr);
 277     ok(!dmc, "dmc = %p\n", dmc);
 278
 279     /* Invalid RIID */
 280     hr = CoCreateInstance(&CLSID_DirectMusicCollection, NULL, CLSCTX_INPROC_SERVER,
 281             &IID_IClassFactory, (void**)&dmc);
 282     ok(hr == E_NOINTERFACE, "DirectMusicCollection create failed: %08x, expected E_NOINTERFACE\n", hr);
 283
 284     /* Same refcount for all DirectMusicCollection interfaces */
 285     hr = CoCreateInstance(&CLSID_DirectMusicCollection, NULL, CLSCTX_INPROC_SERVER,
 286             &IID_IDirectMusicCollection, (void**)&dmc);
 287     ok(hr == S_OK, "DirectMusicCollection create failed: %08x, expected S_OK\n", hr);
 288     refcount = IDirectMusicCollection_AddRef(dmc);
 289     ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
 290
 291     hr = IDirectMusicCollection_QueryInterface(dmc, &IID_IDirectMusicObject, (void**)&dmo);
 292     ok(hr == S_OK, "QueryInterface for IID_IDirectMusicObject failed: %08x\n", hr);
 293     refcount = IDirectMusicObject_AddRef(dmo);
 294     ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
 295     refcount = IDirectMusicObject_Release(dmo);
 296
 297     hr = IDirectMusicCollection_QueryInterface(dmc, &IID_IPersistStream, (void**)&ps);
 298     ok(hr == S_OK, "QueryInterface for IID_IPersistStream failed: %08x\n", hr);
 299     refcount = IPersistStream_AddRef(ps);
 300     ok(refcount == 5, "refcount == %u, expected 5\n", refcount);
 301     refcount = IPersistStream_Release(ps);
 302
 303     hr = IDirectMusicCollection_QueryInterface(dmc, &IID_IUnknown, (void**)&unk);
 304     ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
 305     refcount = IUnknown_AddRef(unk);
 306     ok(refcount == 6, "refcount == %u, expected 6\n", refcount);
 307     refcount = IUnknown_Release(unk);
 308
 309     ok(refcount == 5, "refcount == %u, expected 5\n", refcount);
 310     while (IDirectMusicCollection_Release(dmc));
 311 }
 312
 313 static void test_dmcoll(void)
 314 {
 315     IDirectMusicCollection *dmc;
 316     IDirectMusicObject *dmo;
 317     IPersistStream *ps;
 318     DMUS_OBJECTDESC desc;
 319     CLSID class;
 320     ULARGE_INTEGER size;
 321     HRESULT hr;
 322
 323     hr = CoCreateInstance(&CLSID_DirectMusicCollection, NULL, CLSCTX_INPROC_SERVER,
 324             &IID_IDirectMusicCollection, (void**)&dmc);
 325     ok(hr == S_OK, "DirectMusicCollection create failed: %08x, expected S_OK\n", hr);
 326
 327     /* IDirectMusicObject */
 328     hr = IDirectMusicCollection_QueryInterface(dmc, &IID_IDirectMusicObject, (void**)&dmo);
 329     ok(hr == S_OK, "QueryInterface for IID_IDirectMusicObject failed: %08x\n", hr);
 330     hr = IDirectMusicObject_GetDescriptor(dmo, NULL);
 331     ok(hr == E_POINTER, "IDirectMusicObject_GetDescriptor: expected E_POINTER, got  %08x\n", hr);
 332     hr = IDirectMusicObject_SetDescriptor(dmo, NULL);
 333     ok(hr == E_POINTER, "IDirectMusicObject_SetDescriptor: expected E_POINTER, got  %08x\n", hr);
 334     ZeroMemory(&desc, sizeof(desc));
 335     hr = IDirectMusicObject_GetDescriptor(dmo, &desc);
 336     ok(hr == S_OK, "IDirectMusicObject_GetDescriptor failed: %08x\n", hr);
 337     ok(desc.dwValidData == DMUS_OBJ_CLASS,
 338             "Fresh object has more valid data (%08x) than DMUS_OBJ_CLASS\n", desc.dwValidData);
 339     /* DMUS_OBJ_CLASS is immutable */
 340     desc.dwValidData = DMUS_OBJ_CLASS;
 341     hr = IDirectMusicObject_SetDescriptor(dmo, &desc);
 342     ok(hr == S_FALSE , "IDirectMusicObject_SetDescriptor failed: %08x\n", hr);
 343     ok(!desc.dwValidData, "dwValidData wasn't cleared:  %08x\n", desc.dwValidData);
 344     desc.dwValidData = DMUS_OBJ_CLASS;
 345     desc.guidClass = CLSID_DirectMusicSegment;
 346     hr = IDirectMusicObject_SetDescriptor(dmo, &desc);
 347     ok(hr == S_FALSE && !desc.dwValidData, "IDirectMusicObject_SetDescriptor failed: %08x\n", hr);
 348     hr = IDirectMusicObject_GetDescriptor(dmo, &desc);
 349     ok(hr == S_OK, "IDirectMusicObject_GetDescriptor failed: %08x\n", hr);
 350     ok(IsEqualGUID(&desc.guidClass, &CLSID_DirectMusicCollection),
 351             "guidClass changed, should be CLSID_DirectMusicCollection\n");
 352
 353     /* Unimplemented IPersistStream methods*/
 354     hr = IDirectMusicCollection_QueryInterface(dmc, &IID_IPersistStream, (void**)&ps);
 355     ok(hr == S_OK, "QueryInterface for IID_IPersistStream failed: %08x\n", hr);
 356     hr = IPersistStream_GetClassID(ps, &class);
 357     ok(hr == E_NOTIMPL, "IPersistStream_GetClassID failed: %08x\n", hr);
 358     hr = IPersistStream_IsDirty(ps);
 359     ok(hr == S_FALSE, "IPersistStream_IsDirty failed: %08x\n", hr);
 360     hr = IPersistStream_GetSizeMax(ps, &size);
 361     ok(hr == E_NOTIMPL, "IPersistStream_GetSizeMax failed: %08x\n", hr);
 362     hr = IPersistStream_Save(ps, NULL, TRUE);
 363     ok(hr == E_NOTIMPL, "IPersistStream_Save failed: %08x\n", hr);
 364
 365     while (IDirectMusicCollection_Release(dmc));
 366 }
 367
 368 static BOOL missing_dmusic(void)
 369 {
 370     IDirectMusic8 *dm;
 371     HRESULT hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic,
 372             (void**)&dm);
 373
 374     if (hr == S_OK && dm)
 375     {
 376         IDirectMusic_Release(dm);
 377         return FALSE;
 378     }
 379     return TRUE;
 380 }
 381
 382 static void test_COM_synthport(void)
 383 {
 384     IDirectMusic *dmusic = NULL;
 385     IDirectMusicPort *port = NULL;
 386     IDirectMusicPortDownload *dmpd;
 387     IDirectMusicThru *dmt;
 388     IKsControl *iksc;
 389     IReferenceClock *clock;
 390     IUnknown *unk;
 391     DMUS_PORTPARAMS port_params;
 392     ULONG refcount;
 393     HRESULT hr;
 394
 395     /* Create a IDirectMusicPort */
 396     hr = CoCreateInstance(&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic,
 397             (void**)&dmusic);
 398     ok(hr == S_OK, "Cannot create DirectMusic object (%x)\n", hr);
 399     port_params.dwSize = sizeof(port_params);
 400     port_params.dwValidParams = DMUS_PORTPARAMS_CHANNELGROUPS | DMUS_PORTPARAMS_AUDIOCHANNELS;
 401     port_params.dwChannelGroups = 1;
 402     port_params.dwAudioChannels = 2;
 403     hr = IDirectMusic_SetDirectSound(dmusic, NULL, NULL);
 404     ok(hr == S_OK, "IDirectMusic_SetDirectSound returned: %x\n", hr);
 405     hr = IDirectMusic_CreatePort(dmusic, &GUID_NULL, &port_params, &port, NULL);
 406     ok(hr == S_OK, "IDirectMusic_CreatePort returned: %x\n", hr);
 407
 408     /* Same refcount for all DirectMusicPort interfaces */
 409     refcount = IDirectMusicPort_AddRef(port);
 410     ok(refcount == 2, "refcount == %u, expected 2\n", refcount);
 411
 412     hr = IDirectMusicPort_QueryInterface(port, &IID_IDirectMusicPortDownload, (void**)&dmpd);
 413     ok(hr == S_OK, "QueryInterface for IID_IDirectMusicPortDownload failed: %08x\n", hr);
 414     refcount = IDirectMusicPortDownload_AddRef(dmpd);
 415     ok(refcount == 4, "refcount == %u, expected 4\n", refcount);
 416     IDirectMusicPortDownload_Release(dmpd);
 417
 418     hr = IDirectMusicPort_QueryInterface(port, &IID_IKsControl, (void**)&iksc);
 419     ok(hr == S_OK, "QueryInterface for IID_IKsControl failed: %08x\n", hr);
 420     refcount = IKsControl_AddRef(iksc);
 421     ok(refcount == 5, "refcount == %u, expected 5\n", refcount);
 422     IKsControl_Release(iksc);
 423
 424     hr = IDirectMusicPort_QueryInterface(port, &IID_IUnknown, (void**)&unk);
 425     ok(hr == S_OK, "QueryInterface for IID_IUnknown failed: %08x\n", hr);
 426     refcount = IUnknown_AddRef(unk);
 427     ok(refcount == 6, "refcount == %u, expected 6\n", refcount);
 428     IUnknown_Release(unk);
 429
 430     /* Unsupported interface */
 431     hr = IDirectMusicPort_QueryInterface(port, &IID_IDirectMusicThru, (void**)&dmt);
 432     todo_wine ok(hr == E_NOINTERFACE, "QueryInterface for IID_IDirectMusicThru failed: %08x\n", hr);
 433     hr = IDirectMusicPort_QueryInterface(port, &IID_IReferenceClock, (void**)&clock);
 434     ok(hr == E_NOINTERFACE, "QueryInterface for IID_IReferenceClock failed: %08x\n", hr);
 435
 436     while (IDirectMusicPort_Release(port));
 437 }
 438
 439 START_TEST(dmusic)
 440 {
 441     CoInitializeEx(NULL, COINIT_MULTITHREADED);
 442
 443     if (missing_dmusic())
 444     {
 445         skip("DirectMusic not available\n");
 446         CoUninitialize();
 447         return;
 448     }
 449     test_COM();
 450     test_COM_dmcoll();
 451     test_COM_synthport();
 452     test_dmusic();
 453     test_dmbuffer();
 454     test_dmcoll();
 455
 456     CoUninitialize();
 457 }