dlls/winmm/tests/midi.c

   1 /*
   2  * Test winmm midi
   3  *
   4  * Copyright 2010 Jörg Höhle
   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 <stdio.h>
  22 #include <stddef.h>
  23 #include "windows.h"
  24 #include "mmsystem.h"
  25 #include "wine/test.h"
  26
  27 extern const char* mmsys_error(MMRESULT error); /* from wave.c */
  28
  29 /* Test in order of increasing probability to hang.
  30  * On many UNIX systems, the Timidity softsynth provides
  31  * MIDI sequencer services and it is not particularly robust.
  32  */
  33
  34 #define MYCBINST 0x4CAFE5A8 /* not used with window or thread callbacks */
  35 #define WHATEVER 0xFEEDF00D
  36
  37 static BOOL spurious_message(LPMSG msg)
  38 {
  39   /* WM_DEVICECHANGE 0x0219 appears randomly */
  40   if(msg->message == WM_DEVICECHANGE) {
  41     trace("skipping spurious message %04x\n", msg->message);
  42     return TRUE;
  43   }
  44   return FALSE;
  45 }
  46
  47 static UINT      cbmsg  = 0;
  48 static DWORD_PTR cbval1 = WHATEVER;
  49 static DWORD_PTR cbval2 = 0;
  50 static DWORD_PTR cbinst = MYCBINST;
  51
  52 static void CALLBACK callback_func(HWAVEOUT hwo, UINT uMsg,
  53                                    DWORD_PTR dwInstance,
  54                                    DWORD_PTR dwParam1, DWORD_PTR dwParam2)
  55 {
  56     if (winetest_debug>1)
  57         trace("Callback! msg=%x %lx %lx\n", uMsg, dwParam1, dwParam2);
  58     cbmsg = uMsg;
  59     cbval1 = dwParam1;   /* mhdr or 0 */
  60     cbval2 = dwParam2;   /* always 0 */
  61     cbinst = dwInstance; /* MYCBINST, see midiOut/StreamOpen */
  62 }
  63
  64 #define test_notification(hwnd, command, m1, p2) test_notification_dbg(hwnd, command, m1, p2, __LINE__)
  65 static void test_notification_dbg(HWND hwnd, const char* command, UINT m1, DWORD_PTR p2, int line)
  66 {   /* Use message type 0 as meaning no message */
  67     MSG msg;
  68     if (hwnd) {
  69         /* msg.wParam is hmidiout, msg.lParam is the mhdr (or 0) */
  70         BOOL seen;
  71         do { seen = PeekMessageA(&msg, hwnd, 0, 0, PM_REMOVE); }
  72         while(seen && spurious_message(&msg));
  73         if (m1 && !seen) {
  74           /* We observe transient delayed notification, mostly on native.
  75            * Perhaps the OS preempts the player thread after setting MHDR_DONE
  76            * or clearing MHDR_INQUEUE, before calling DriverCallback. */
  77           DWORD rc;
  78           trace_(__FILE__,line)("Waiting for delayed message %x from %s\n", m1, command);
  79           SetLastError(0xDEADBEEF);
  80           rc = MsgWaitForMultipleObjects(0, NULL, FALSE, 3000, QS_POSTMESSAGE);
  81           ok_(__FILE__,line)(rc==WAIT_OBJECT_0, "Wait failed: %04x %d\n", rc, GetLastError());
  82           seen = PeekMessageA(&msg, hwnd, 0, 0, PM_REMOVE);
  83         }
  84         if (seen) {
  85             trace_(__FILE__,line)("Message %x, wParam=%lx, lParam=%lx from %s\n",
  86                   msg.message, msg.wParam, msg.lParam, command);
  87             ok_(__FILE__,line)(msg.hwnd==hwnd, "Didn't get the handle to our test window\n");
  88             ok_(__FILE__,line)(msg.message==m1 && msg.lParam==p2, "bad message %x/%lx from %s, expect %x/%lx\n", msg.message, msg.lParam, command, m1, p2);
  89         }
  90         else ok_(__FILE__,line)(m1==0, "Expect message %x from %s\n", m1, command);
  91     }
  92     else {
  93         /* FIXME: MOM_POSITIONCB and MOM_DONE are so close that a queue is needed. */
  94         if (cbmsg) {
  95             ok_(__FILE__,line)(cbmsg==m1 && cbval1==p2 && cbval2==0, "bad callback %x/%lx/%lx from %s, expect %x/%lx\n", cbmsg, cbval1, cbval2, command, m1, p2);
  96             cbmsg = 0; /* Mark as read */
  97             cbval1 = cbval2 = WHATEVER;
  98             ok_(__FILE__,line)(cbinst==MYCBINST, "callback dwInstance changed to %lx\n", cbinst);
  99         }
 100         else ok_(__FILE__,line)(m1==0, "Expect callback %x from %s\n", m1, command);
 101     }
 102 }
 103
 104
 105 static void test_midiIn_device(UINT udev, HWND hwnd)
 106 {
 107     HMIDIIN hm;
 108     MMRESULT rc;
 109     MIDIINCAPSA capsA;
 110     MIDIHDR mhdr;
 111
 112     rc = midiInGetDevCapsA(udev, &capsA, sizeof(capsA));
 113     ok((MIDIMAPPER==udev) ? (rc==MMSYSERR_BADDEVICEID || broken(rc==MMSYSERR_NODRIVER /*nt,w2k*/)) : rc==0,
 114        "midiInGetDevCaps(dev=%d) rc=%s\n", udev, mmsys_error(rc));
 115     if (!rc) {
 116         /* MIDI IN capsA.dwSupport may contain garbage, absent in old MS-Windows */
 117         trace("* %s: manufacturer=%d, product=%d, support=%X\n", capsA.szPname, capsA.wMid, capsA.wPid, capsA.dwSupport);
 118     }
 119
 120     if (hwnd)
 121         rc = midiInOpen(&hm, udev, (DWORD_PTR)hwnd, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
 122     else
 123         rc = midiInOpen(&hm, udev, (DWORD_PTR)callback_func, (DWORD_PTR)MYCBINST, CALLBACK_FUNCTION);
 124     ok((MIDIMAPPER!=udev) ? rc==0 : (rc==MMSYSERR_BADDEVICEID || broken(rc==MMSYSERR_NODRIVER /*nt,w2k*/)),
 125        "midiInOpen(dev=%d) rc=%s\n", udev, mmsys_error(rc));
 126     if (rc) return;
 127
 128     test_notification(hwnd, "midiInOpen", MIM_OPEN, 0);
 129
 130     memset(&mhdr, 0, sizeof(mhdr));
 131     mhdr.dwFlags = MHDR_DONE;
 132     mhdr.dwUser = 0x56FA552C;
 133     mhdr.dwBufferLength = 70000; /* > 64KB! */
 134     mhdr.dwBytesRecorded = 5;
 135     mhdr.lpData = HeapAlloc(GetProcessHeap(), 0 , mhdr.dwBufferLength);
 136     ok(mhdr.lpData!=NULL, "No %d bytes of memory!\n", mhdr.dwBufferLength);
 137     if (mhdr.lpData) {
 138         rc = midiInPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset)-1);
 139         ok(rc==MMSYSERR_INVALPARAM, "midiInPrepare tiny rc=%s\n", mmsys_error(rc));
 140         ok(mhdr.dwFlags == MHDR_DONE, "dwFlags=%x\n", mhdr.dwFlags);
 141
 142         mhdr.dwFlags |= MHDR_INQUEUE;
 143         rc = midiInPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 144         ok(!rc, "midiInPrepare old size rc=%s\n", mmsys_error(rc));
 145         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_INQUEUE|MHDR_DONE)/*w9x*/ ||
 146            mhdr.dwFlags == MHDR_PREPARED, "dwFlags=%x\n", mhdr.dwFlags);
 147         trace("MIDIHDR flags=%x when unsent\n", mhdr.dwFlags);
 148
 149         mhdr.dwFlags |= MHDR_INQUEUE|MHDR_DONE;
 150         rc = midiInPrepareHeader(hm, &mhdr, sizeof(mhdr));
 151         ok(!rc, "midiInPrepare rc=%s\n", mmsys_error(rc));
 152         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_INQUEUE|MHDR_DONE), "dwFlags=%x\n", mhdr.dwFlags);
 153
 154         mhdr.dwFlags &= ~MHDR_INQUEUE;
 155         rc = midiInUnprepareHeader(hm, &mhdr, sizeof(mhdr));
 156         ok(!rc, "midiInUnprepare rc=%s\n", mmsys_error(rc));
 157         ok(mhdr.dwFlags == MHDR_DONE, "dwFlags=%x\n", mhdr.dwFlags);
 158
 159         mhdr.dwFlags &= ~MHDR_DONE;
 160         rc = midiInUnprepareHeader(hm, &mhdr, sizeof(mhdr));
 161         ok(!rc, "midiInUnprepare rc=%s\n", mmsys_error(rc));
 162         ok(mhdr.dwFlags == 0, "dwFlags=%x\n", mhdr.dwFlags);
 163
 164         rc = midiInPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 165         ok(!rc, "midiInPrepare rc=%s\n", mmsys_error(rc));
 166         ok(mhdr.dwFlags == MHDR_PREPARED, "dwFlags=%x\n", mhdr.dwFlags);
 167
 168         mhdr.dwFlags |= MHDR_DONE;
 169         rc = midiInPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 170         ok(!rc, "midiInPrepare rc=%s\n", mmsys_error(rc));
 171         ok(mhdr.dwBytesRecorded == 5, "BytesRec=%u\n", mhdr.dwBytesRecorded);
 172
 173         mhdr.dwFlags |= MHDR_DONE;
 174         rc = midiInAddBuffer(hm, &mhdr, sizeof(mhdr));
 175         ok(!rc, "midiAddBuffer rc=%s\n", mmsys_error(rc));
 176         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_INQUEUE), "dwFlags=%x\n", mhdr.dwFlags);
 177
 178         /* w95 does not set dwBytesRecorded=0 within midiInAddBuffer.  Wine does. */
 179         if (mhdr.dwBytesRecorded != 0)
 180             trace("dwBytesRecorded %u\n", mhdr.dwBytesRecorded);
 181
 182         rc = midiInAddBuffer(hm, &mhdr, sizeof(mhdr));
 183         ok(rc==MIDIERR_STILLPLAYING, "midiAddBuffer rc=%s\n", mmsys_error(rc));
 184
 185         rc = midiInPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 186         ok(!rc, "midiInPrepare rc=%s\n", mmsys_error(rc));
 187         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_INQUEUE), "dwFlags=%x\n", mhdr.dwFlags);
 188     }
 189     rc = midiInReset(hm); /* Return any pending buffer */
 190     ok(!rc, "midiInReset rc=%s\n", mmsys_error(rc));
 191     test_notification(hwnd, "midiInReset", MIM_LONGDATA, (DWORD_PTR)&mhdr);
 192
 193     ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_DONE), "dwFlags=%x\n", mhdr.dwFlags);
 194     rc = midiInUnprepareHeader(hm, &mhdr, sizeof(mhdr));
 195     ok(!rc, "midiInUnprepare rc=%s\n", mmsys_error(rc));
 196
 197     ok(mhdr.dwBytesRecorded == 0, "Did some MIDI HW send %u bytes?\n", mhdr.dwBytesRecorded);
 198
 199     rc = midiInClose(hm);
 200     ok(!rc, "midiInClose rc=%s\n", mmsys_error(rc));
 201
 202     ok(mhdr.dwUser==0x56FA552C, "MIDIHDR.dwUser changed to %lx\n", mhdr.dwUser);
 203     HeapFree(GetProcessHeap(), 0, mhdr.lpData);
 204     test_notification(hwnd, "midiInClose", MIM_CLOSE, 0);
 205     test_notification(hwnd, "midiIn over", 0, WHATEVER);
 206 }
 207
 208 static void test_midi_infns(HWND hwnd)
 209 {
 210     HMIDIIN hm;
 211     MMRESULT rc;
 212     UINT udev, ndevs = midiInGetNumDevs();
 213
 214     rc = midiInOpen(&hm, ndevs, 0, 0, CALLBACK_NULL);
 215     ok(rc==MMSYSERR_BADDEVICEID, "midiInOpen udev>max rc=%s\n", mmsys_error(rc));
 216     if (!rc) {
 217         rc = midiInClose(hm);
 218         ok(!rc, "midiInClose rc=%s\n", mmsys_error(rc));
 219     }
 220     if (!ndevs) {
 221         trace("Found no MIDI IN device\n"); /* no skip for this common situation */
 222         rc = midiInOpen(&hm, MIDIMAPPER, 0, 0, CALLBACK_NULL);
 223         ok(rc==MMSYSERR_BADDEVICEID || broken(rc==MMSYSERR_NODRIVER /*nt,w2k*/), "midiInOpen MAPPER with no MIDI rc=%s\n", mmsys_error(rc));
 224         if (!rc) {
 225             rc = midiInClose(hm);
 226             ok(!rc, "midiInClose rc=%s\n", mmsys_error(rc));
 227         }
 228         return;
 229     }
 230     trace("Found %d MIDI IN devices\n", ndevs);
 231     for (udev=0; udev < ndevs; udev++) {
 232         trace("** Testing device %d\n", udev);
 233         test_midiIn_device(udev, hwnd);
 234         Sleep(50);
 235     }
 236     trace("** Testing MIDI mapper\n");
 237     test_midiIn_device(MIDIMAPPER, hwnd);
 238 }
 239
 240
 241 static void test_midi_mci(HWND hwnd)
 242 {
 243     MCIERROR err;
 244     char buf[1024];
 245     memset(buf, 0, sizeof(buf));
 246
 247     err = mciSendStringA("sysinfo sequencer quantity", buf, sizeof(buf), hwnd);
 248     ok(!err, "mci sysinfo sequencer quantity returned %d\n", err);
 249     if (!err) trace("Found %s MCI sequencer devices\n", buf);
 250
 251     if (!strcmp(buf, "0")) return;
 252
 253     err = mciSendStringA("capability sequencer can record", buf, sizeof(buf), hwnd);
 254     ok(!err, "mci sysinfo sequencer quantity returned %d\n", err);
 255     if(!err) ok(!strcmp(buf, "false"), "capability can record is %s\n", buf);
 256 }
 257
 258
 259 static void test_midiOut_device(UINT udev, HWND hwnd)
 260 {
 261     HMIDIOUT hm;
 262     MMRESULT rc;
 263     MIDIOUTCAPSA capsA;
 264     DWORD ovolume;
 265     UINT  udevid;
 266     MIDIHDR mhdr;
 267
 268     rc = midiOutGetDevCapsA(udev, &capsA, sizeof(capsA));
 269     ok(!rc, "midiOutGetDevCaps(dev=%d) rc=%s\n", udev, mmsys_error(rc));
 270     if (!rc) {
 271         trace("* %s: manufacturer=%d, product=%d, tech=%d, support=%X: %d voices, %d notes\n",
 272               capsA.szPname, capsA.wMid, capsA.wPid, capsA.wTechnology, capsA.dwSupport, capsA.wVoices, capsA.wNotes);
 273         ok(!((MIDIMAPPER==udev) ^ (MOD_MAPPER==capsA.wTechnology)), "technology %d on device %d\n", capsA.wTechnology, udev);
 274         if (MOD_MIDIPORT == capsA.wTechnology) {
 275             ok(capsA.wVoices == 0 && capsA.wNotes == 0, "external device with notes or voices\n");
 276             ok(capsA.wChannelMask == 0xFFFF, "external device channel mask %x\n", capsA.wChannelMask);
 277             ok(!(capsA.dwSupport & (MIDICAPS_VOLUME|MIDICAPS_LRVOLUME|MIDICAPS_CACHE)), "external device support=%X\n", capsA.dwSupport);
 278         }
 279     }
 280
 281     if (hwnd)
 282         rc = midiOutOpen(&hm, udev, (DWORD_PTR)hwnd, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
 283     else
 284         rc = midiOutOpen(&hm, udev, (DWORD_PTR)callback_func, (DWORD_PTR)MYCBINST, CALLBACK_FUNCTION);
 285     if (rc == MMSYSERR_NOTSUPPORTED || rc == MMSYSERR_NODRIVER)
 286     {
 287         skip( "MIDI out not supported\n" );
 288         return;
 289     }
 290     ok(!rc, "midiOutOpen(dev=%d) rc=%s\n", udev, mmsys_error(rc));
 291     if (rc) return;
 292
 293     test_notification(hwnd, "midiOutOpen", MOM_OPEN, 0);
 294
 295     rc = midiOutGetVolume(hm, &ovolume);
 296     ok((capsA.dwSupport & MIDICAPS_VOLUME) ? rc==MMSYSERR_NOERROR : rc==MMSYSERR_NOTSUPPORTED, "midiOutGetVolume rc=%s\n", mmsys_error(rc));
 297     /* The native mapper responds with FFFFFFFF initially,
 298      * real devices with the volume GUI SW-synth settings. */
 299     if (!rc) trace("Current volume %x on device %d\n", ovolume, udev);
 300
 301     /* The W95 ESFM Synthesis device reports NOTENABLED although
 302      * GetVolume by handle works and music plays. */
 303     rc = midiOutGetVolume(UlongToHandle(udev), &ovolume);
 304     ok((capsA.dwSupport & MIDICAPS_VOLUME) ? rc==MMSYSERR_NOERROR || broken(rc==MMSYSERR_NOTENABLED) : rc==MMSYSERR_NOTSUPPORTED, "midiOutGetVolume(dev=%d) rc=%s\n", udev, mmsys_error(rc));
 305
 306     rc = midiOutGetVolume(hm, NULL);
 307     ok(rc==MMSYSERR_INVALPARAM, "midiOutGetVolume NULL rc=%s\n", mmsys_error(rc));
 308
 309     /* Tests with midiOutSetvolume show that the midi mapper forwards
 310      * the value to the real device, but Get initially always reports
 311      * FFFFFFFF.  Therefore, a Get+SetVolume pair with the mapper is
 312      * not adequate to restore the value prior to tests.
 313      */
 314     if (winetest_interactive && (capsA.dwSupport & MIDICAPS_VOLUME)) {
 315         DWORD volume2 = (ovolume < 0x80000000) ? 0xC000C000 : 0x40004000;
 316         rc = midiOutSetVolume(hm, volume2);
 317         ok(!rc, "midiOutSetVolume rc=%s\n", mmsys_error(rc));
 318         if (!rc) {
 319             DWORD volume3;
 320             rc = midiOutGetVolume(hm, &volume3);
 321             ok(!rc, "midiOutGetVolume new rc=%s\n", mmsys_error(rc));
 322             if (!rc) trace("New volume %x on device %d\n", volume3, udev);
 323             todo_wine ok(volume2==volume3, "volume Set %x = Get %x\n", volume2, volume3);
 324
 325             rc = midiOutSetVolume(hm, ovolume);
 326             ok(!rc, "midiOutSetVolume restore rc=%s\n", mmsys_error(rc));
 327         }
 328     }
 329     rc = midiOutGetDevCapsA((UINT_PTR)hm, &capsA, sizeof(capsA));
 330     ok(!rc, "midiOutGetDevCaps(dev=%d) by handle rc=%s\n", udev, mmsys_error(rc));
 331     rc = midiInGetDevCapsA((UINT_PTR)hm, (LPMIDIINCAPSA)&capsA, sizeof(DWORD));
 332     ok(rc==MMSYSERR_BADDEVICEID, "midiInGetDevCaps(dev=%d) by out handle rc=%s\n", udev, mmsys_error(rc));
 333
 334     {   DWORD e = 0x006F4893; /* velocity, note (#69 would be 440Hz) channel */
 335         trace("ShortMsg type %x\n", LOBYTE(LOWORD(e)));
 336         rc = midiOutShortMsg(hm, e);
 337         ok(!rc, "midiOutShortMsg rc=%s\n", mmsys_error(rc));
 338         if (!rc) Sleep(400); /* Hear note */
 339     }
 340
 341     memset(&mhdr, 0, sizeof(mhdr));
 342     mhdr.dwFlags = MHDR_DONE;
 343     mhdr.dwUser   = 0x56FA552C;
 344     mhdr.dwOffset = 0xDEADBEEF;
 345     mhdr.dwBufferLength = 70000; /* > 64KB! */
 346     mhdr.lpData = HeapAlloc(GetProcessHeap(), 0 , mhdr.dwBufferLength);
 347     ok(mhdr.lpData!=NULL, "No %d bytes of memory!\n", mhdr.dwBufferLength);
 348     if (mhdr.lpData) {
 349         rc = midiOutLongMsg(hm, &mhdr, sizeof(mhdr));
 350         ok(rc==MIDIERR_UNPREPARED, "midiOutLongMsg unprepared rc=%s\n", mmsys_error(rc));
 351         ok(mhdr.dwFlags == MHDR_DONE, "dwFlags=%x\n", mhdr.dwFlags);
 352         test_notification(hwnd, "midiOutLong unprepared", 0, WHATEVER);
 353
 354         rc = midiOutPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset)-1);
 355         ok(rc==MMSYSERR_INVALPARAM, "midiOutPrepare tiny rc=%s\n", mmsys_error(rc));
 356         ok(mhdr.dwFlags == MHDR_DONE, "dwFlags=%x\n", mhdr.dwFlags);
 357
 358         /* Since at least w2k, midiOutPrepare clears the DONE and INQUEUE flags.  w95 didn't. */
 359         /* mhdr.dwFlags |= MHDR_INQUEUE; would cause w95 to return STILLPLAYING from Unprepare */
 360         rc = midiOutPrepareHeader(hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 361         ok(!rc, "midiOutPrepare old size rc=%s\n", mmsys_error(rc));
 362         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_DONE)/*w9x*/ ||
 363            mhdr.dwFlags == MHDR_PREPARED, "dwFlags=%x\n", mhdr.dwFlags);
 364         trace("MIDIHDR flags=%x when unsent\n", mhdr.dwFlags);
 365
 366         /* No flag is cleared when already prepared. */
 367         mhdr.dwFlags |= MHDR_DONE|MHDR_INQUEUE;
 368         rc = midiOutPrepareHeader(hm, &mhdr, sizeof(mhdr));
 369         ok(!rc, "midiOutPrepare rc=%s\n", mmsys_error(rc));
 370         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_DONE|MHDR_INQUEUE), "dwFlags=%x\n", mhdr.dwFlags);
 371
 372         mhdr.dwFlags |= MHDR_INQUEUE;
 373         rc = midiOutUnprepareHeader(hm, &mhdr, sizeof(mhdr));
 374         ok(rc==MIDIERR_STILLPLAYING, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
 375         ok(mhdr.dwFlags == (MHDR_PREPARED|MHDR_DONE|MHDR_INQUEUE), "dwFlags=%x\n", mhdr.dwFlags);
 376
 377         mhdr.dwFlags &= ~MHDR_INQUEUE;
 378         rc = midiOutUnprepareHeader(hm, &mhdr, sizeof(mhdr));
 379         ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
 380         ok(mhdr.dwFlags == MHDR_DONE, "dwFlags=%x\n", mhdr.dwFlags);
 381
 382         mhdr.dwFlags |= MHDR_INQUEUE;
 383         rc = midiOutUnprepareHeader(hm, &mhdr, sizeof(mhdr));
 384         ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
 385         ok(mhdr.dwFlags == (MHDR_INQUEUE|MHDR_DONE), "dwFlags=%x\n", mhdr.dwFlags);
 386
 387         HeapFree(GetProcessHeap(), 0, mhdr.lpData);
 388     }
 389     ok(mhdr.dwUser==0x56FA552C, "MIDIHDR.dwUser changed to %lx\n", mhdr.dwUser);
 390     ok(mhdr.dwOffset==0xDEADBEEF, "MIDIHDR.dwOffset changed to %x\n", mhdr.dwOffset);
 391
 392     rc = midiOutGetID(hm, &udevid);
 393     ok(!rc, "midiOutGetID rc=%s\n", mmsys_error(rc));
 394     if(!rc) ok(udevid==udev, "midiOutGetID gives %d, expect %d\n", udevid, udev);
 395
 396     rc = midiOutReset(hm); /* Quiet everything */
 397     ok(!rc, "midiOutReset rc=%s\n", mmsys_error(rc));
 398
 399     rc = midiOutClose(hm);
 400     ok(!rc, "midiOutClose rc=%s\n", mmsys_error(rc));
 401     test_notification(hwnd, "midiOutClose", MOM_CLOSE, 0);
 402
 403     rc = midiOutOpen(&hm, udev, 0, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
 404     /* w95 broken(rc==MMSYSERR_INVALPARAM) see WINMM_CheckCallback */
 405     ok(!rc, "midiOutOpen(dev=%d) 0 CALLBACK_WINDOW rc=%s\n", udev, mmsys_error(rc));
 406     /* PostMessage(hwnd=0) redirects to PostThreadMessage(GetCurrentThreadId())
 407      * which PeekMessage((HWND)-1) queries. */
 408     test_notification((HWND)-1, "midiOutOpen WINDOW->THREAD", 0, WHATEVER);
 409     test_notification(hwnd, "midiOutOpen WINDOW", 0, WHATEVER);
 410     if (!rc) {
 411         rc = midiOutClose(hm);
 412         ok(!rc, "midiOutClose rc=%s\n", mmsys_error(rc));
 413         test_notification((HWND)-1, "midiOutClose WINDOW->THREAD", 0, WHATEVER);
 414         test_notification(hwnd, "midiOutClose", 0, WHATEVER);
 415     }
 416     test_notification(hwnd, "midiOut over", 0, WHATEVER);
 417 }
 418
 419 static void test_position(HMIDISTRM hm, UINT typein, UINT typeout)
 420 {
 421     MMRESULT rc;
 422     MMTIME mmtime;
 423     mmtime.wType = typein;
 424     rc = midiStreamPosition(hm, &mmtime, sizeof(MMTIME));
 425     /* Ugly, but a single ok() herein enables using the todo_wine prefix */
 426     ok(!rc && (mmtime.wType == typeout), "midiStreamPosition type %x converted to %x rc=%s\n", typein, mmtime.wType, mmsys_error(rc));
 427     if (!rc) switch(mmtime.wType) {
 428     case TIME_MS:
 429         trace("Stream position %ums\n", mmtime.u.ms);
 430         break;
 431     case TIME_TICKS:
 432         trace("Stream position %u ticks\n", mmtime.u.ticks);
 433         break;
 434     case TIME_MIDI:
 435         trace("Stream position song pointer %u\n", mmtime.u.midi.songptrpos);
 436         break;
 437     }
 438 }
 439
 440 typedef struct midishortevent_tag { /* ideal size for MEVT_F_SHORT event type */
 441     DWORD dwDeltaTime;
 442     DWORD dwStreamID;
 443     DWORD dwEvent;
 444 } MIDISHORTEVENT;
 445
 446 /* Native crashes on a second run with the const qualifier set on this data! */
 447 static BYTE strmEvents[] = { /* A set of variable-sized MIDIEVENT structs */
 448     0, 0, 0, 0,  0, 0, 0, 0, /* dwDeltaTime and dwStreamID */
 449     0, 0, 0, MEVT_NOP | 0x40, /* with MEVT_F_CALLBACK */
 450     0, 0, 0, 0,  0, 0, 0, 0,
 451     0xE0, 0x93, 0x04, MEVT_TEMPO, /* 0493E0 == 300000 */
 452     0, 0, 0, 0,  0, 0, 0, 0,
 453     0x93, 0x48, 0x6F, MEVT_SHORTMSG,
 454 };
 455
 456 static MIDISHORTEVENT strmNops[] = { /* Test callback + dwOffset */
 457   { 0, 0, (MEVT_NOP <<24)| MEVT_F_CALLBACK },
 458   { 0, 0, (MEVT_NOP <<24)| MEVT_F_CALLBACK },
 459 };
 460
 461 static MMRESULT playStream(HMIDISTRM hm, LPMIDIHDR lpMidiHdr)
 462 {
 463     MMRESULT rc = midiStreamOut(hm, lpMidiHdr, sizeof(MIDIHDR));
 464     /* virtual machines may return MIDIERR_STILLPLAYING from the next request
 465      * even after MHDR_DONE is set. It's still too early, so add MHDR_INQUEUE. */
 466     if (!rc) while (!(lpMidiHdr->dwFlags & MHDR_DONE) || (lpMidiHdr->dwFlags & MHDR_INQUEUE)) { Sleep(100); }
 467     return rc;
 468 }
 469
 470 static void test_midiStream(UINT udev, HWND hwnd)
 471 {
 472     HMIDISTRM hm;
 473     MMRESULT rc, rc2;
 474     MIDIHDR mhdr;
 475     union {
 476         MIDIPROPTEMPO tempo;
 477         MIDIPROPTIMEDIV tdiv;
 478     } midiprop;
 479
 480     if (hwnd)
 481         rc = midiStreamOpen(&hm, &udev, 1, (DWORD_PTR)hwnd, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
 482     else
 483         rc = midiStreamOpen(&hm, &udev, 1, (DWORD_PTR)callback_func, (DWORD_PTR)MYCBINST, CALLBACK_FUNCTION);
 484     if (rc == MMSYSERR_NOTSUPPORTED || rc == MMSYSERR_NODRIVER)
 485     {
 486         skip( "MIDI stream not supported\n" );
 487         return;
 488     }
 489     ok(!rc, "midiStreamOpen(dev=%d) rc=%s\n", udev, mmsys_error(rc));
 490     if (rc) return;
 491
 492     test_notification(hwnd, "midiStreamOpen", MOM_OPEN, 0);
 493
 494     midiprop.tempo.cbStruct = sizeof(midiprop.tempo);
 495     rc = midiStreamProperty(hm, (void*)&midiprop, MIDIPROP_GET|MIDIPROP_TEMPO);
 496     ok(!rc, "midiStreamProperty TEMPO rc=%s\n", mmsys_error(rc));
 497     ok(midiprop.tempo.dwTempo==500000, "default stream tempo %u microsec per quarter note\n", midiprop.tempo.dwTempo);
 498
 499     midiprop.tdiv.cbStruct = sizeof(midiprop.tdiv);
 500     rc = midiStreamProperty(hm, (void*)&midiprop, MIDIPROP_GET|MIDIPROP_TIMEDIV);
 501     ok(!rc, "midiStreamProperty TIMEDIV rc=%s\n", mmsys_error(rc));
 502     todo_wine ok(24==LOWORD(midiprop.tdiv.dwTimeDiv), "default stream time division %u\n", midiprop.tdiv.dwTimeDiv);
 503
 504     memset(&mhdr, 0, sizeof(mhdr));
 505     mhdr.dwUser   = 0x56FA552C;
 506     mhdr.dwOffset = 1234567890;
 507     mhdr.dwBufferLength = sizeof(strmEvents);
 508     mhdr.dwBytesRecorded = mhdr.dwBufferLength;
 509     mhdr.lpData = (LPSTR)&strmEvents[0];
 510     if (mhdr.lpData) {
 511         rc = midiOutLongMsg((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
 512         ok(rc==MIDIERR_UNPREPARED, "midiOutLongMsg unprepared rc=%s\n", mmsys_error(rc));
 513         test_notification(hwnd, "midiOutLong unprepared", 0, WHATEVER);
 514
 515         rc = midiOutPrepareHeader((HMIDIOUT)hm, &mhdr, offsetof(MIDIHDR,dwOffset)-1);
 516         ok(rc==MMSYSERR_INVALPARAM, "midiOutPrepare tiny rc=%s\n", mmsys_error(rc));
 517         rc = midiOutPrepareHeader((HMIDIOUT)hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 518         ok(!rc, "midiOutPrepare old size rc=%s\n", mmsys_error(rc));
 519         ok(mhdr.dwFlags & MHDR_PREPARED, "MHDR.dwFlags when prepared %x\n", mhdr.dwFlags);
 520
 521         /* The device is still in paused mode and should queue the message. */
 522         rc = midiStreamOut(hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 523         ok(!rc, "midiStreamOut old size rc=%s\n", mmsys_error(rc));
 524         rc2 = rc;
 525         trace("MIDIHDR flags=%x when submitted\n", mhdr.dwFlags);
 526         /* w9X/me does not set MHDR_ISSTRM when StreamOut exits,
 527          * but it will be set on all systems after the job is finished. */
 528
 529         Sleep(90);
 530         /* Wine <1.1.39 started playing immediately */
 531         test_notification(hwnd, "midiStream still paused", 0, WHATEVER);
 532
 533     /* MSDN asks to use midiStreamRestart prior to midiStreamOut()
 534      * because the starting state is 'pause', but some apps seem to
 535      * work with the inverse order: queue everything, then play.
 536      */
 537
 538         rc = midiStreamRestart(hm);
 539         ok(!rc, "midiStreamRestart rc=%s\n", mmsys_error(rc));
 540
 541         if (!rc2) while(mhdr.dwFlags & MHDR_INQUEUE) {
 542             trace("async MIDI still queued\n");
 543             Sleep(100);
 544         } /* Checking INQUEUE is not the recommended way to wait for the end of a job, but we're testing. */
 545         /* MHDR_ISSTRM is not necessarily set when midiStreamOut returns
 546          * rather than when the queue is eventually processed. */
 547         ok(mhdr.dwFlags & MHDR_ISSTRM, "MHDR.dwFlags %x no ISSTRM when out of queue\n", mhdr.dwFlags);
 548         if (!rc2) while(!(mhdr.dwFlags & MHDR_DONE)) {
 549             /* Never to be seen except perhaps on multicore */
 550             trace("async MIDI still not done\n");
 551             Sleep(100);
 552         }
 553         ok(mhdr.dwFlags & MHDR_DONE, "MHDR.dwFlags %x not DONE when out of queue\n", mhdr.dwFlags);
 554         test_notification(hwnd, "midiStream callback", MOM_POSITIONCB, (DWORD_PTR)&mhdr);
 555         test_notification(hwnd, "midiStreamOut", MOM_DONE, (DWORD_PTR)&mhdr);
 556
 557         /* Native fills dwOffset regardless of the cbMidiHdr size argument to midiStreamOut */
 558         ok(1234567890!=mhdr.dwOffset, "play left MIDIHDR.dwOffset at %u\n", mhdr.dwOffset);
 559
 560         rc = midiOutUnprepareHeader((HMIDIOUT)hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 561         ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
 562         rc = midiOutUnprepareHeader((HMIDIOUT)hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 563         ok(!rc, "midiOutUnprepare #2 rc=%s\n", mmsys_error(rc));
 564
 565         trace("MIDIHDR stream flags=%x when finished\n", mhdr.dwFlags);
 566         ok(mhdr.dwFlags & MHDR_DONE, "MHDR.dwFlags when done %x\n", mhdr.dwFlags);
 567
 568         test_position(hm, TIME_MS,      TIME_MS);
 569         test_position(hm, TIME_TICKS,   TIME_TICKS);
 570         todo_wine test_position(hm, TIME_MIDI,    TIME_MIDI);
 571         test_position(hm, TIME_SMPTE,   TIME_MS);
 572         test_position(hm, TIME_SAMPLES, TIME_MS);
 573         test_position(hm, TIME_BYTES,   TIME_MS);
 574
 575         Sleep(400); /* Hear note */
 576
 577         midiprop.tempo.cbStruct = sizeof(midiprop.tempo);
 578         rc = midiStreamProperty(hm, (void*)&midiprop, MIDIPROP_GET|MIDIPROP_TEMPO);
 579         ok(!rc, "midiStreamProperty TEMPO rc=%s\n", mmsys_error(rc));
 580         ok(0x0493E0==midiprop.tempo.dwTempo, "stream set tempo %u\n", midiprop.tdiv.dwTimeDiv);
 581
 582         rc = midiStreamRestart(hm);
 583         ok(!rc, "midiStreamRestart #2 rc=%s\n", mmsys_error(rc));
 584
 585         mhdr.dwFlags |= MHDR_ISSTRM;
 586         /* Preset flags (e.g. MHDR_ISSTRM) do not disturb. */
 587         rc = midiOutPrepareHeader((HMIDIOUT)hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 588         ok(!rc, "midiOutPrepare used flags %x rc=%s\n", mhdr.dwFlags, mmsys_error(rc));
 589         rc = midiOutUnprepareHeader((HMIDIOUT)hm, &mhdr, offsetof(MIDIHDR,dwOffset));
 590         ok(!rc, "midiOutUnprepare used flags %x rc=%s\n", mhdr.dwFlags, mmsys_error(rc));
 591
 592         rc = midiStreamRestart(hm);
 593         ok(!rc, "midiStreamRestart #3 rc=%s\n", mmsys_error(rc));
 594     }
 595     ok(mhdr.dwUser==0x56FA552C, "MIDIHDR.dwUser changed to %lx\n", mhdr.dwUser);
 596     ok(0==((MIDISHORTEVENT*)&strmEvents)[0].dwStreamID, "dwStreamID set to %x\n", ((LPMIDIEVENT)&strmEvents[0])->dwStreamID);
 597
 598     /* dwBytesRecorded controls how much is played, not dwBufferLength
 599      * allowing to immediately forward packets from midiIn to midiOut */
 600     mhdr.dwOffset = 1234123123;
 601     mhdr.dwBufferLength = sizeof(strmNops);
 602     trace("buffer: %u\n", mhdr.dwBufferLength);
 603     mhdr.dwBytesRecorded = 0;
 604     mhdr.lpData = (LPSTR)&strmNops[0];
 605     strmNops[0].dwEvent |= MEVT_F_CALLBACK;
 606     strmNops[1].dwEvent |= MEVT_F_CALLBACK;
 607
 608     rc = midiOutPrepareHeader((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
 609     ok(!rc, "midiOutPrepare rc=%s\n", mmsys_error(rc));
 610
 611     rc = playStream(hm, &mhdr);
 612     ok(!rc, "midiStreamOut 0 bytes recorded rc=%s\n", mmsys_error(rc));
 613
 614     test_notification(hwnd, "midiStreamOut", MOM_DONE, (DWORD_PTR)&mhdr);
 615     test_notification(hwnd, "0 bytes recorded", 0, WHATEVER);
 616
 617     /* FIXME: check dwOffset within callback
 618      * instead of the unspecified value afterwards */
 619     ok(1234123123==mhdr.dwOffset || broken(0==mhdr.dwOffset), "play 0 set MIDIHDR.dwOffset to %u\n", mhdr.dwOffset);
 620     /* w2k and later only set dwOffset when processing MEVT_T_CALLBACK,
 621      * while w9X/me/nt always sets it.  Have Wine behave like w2k because the
 622      * dwOffset slot does not exist in the small size MIDIHDR. */
 623
 624     mhdr.dwOffset = 1234123123;
 625     mhdr.dwBytesRecorded = 1*sizeof(MIDISHORTEVENT);
 626
 627     rc = playStream(hm, &mhdr);
 628     ok(!rc, "midiStreamOut 1 event out of 2 rc=%s\n", mmsys_error(rc));
 629
 630     test_notification(hwnd, "1 of 2 events", MOM_POSITIONCB, (DWORD_PTR)&mhdr);
 631     test_notification(hwnd, "1 of 2 events", MOM_DONE, (DWORD_PTR)&mhdr);
 632     test_notification(hwnd, "1 of 2 events", 0, WHATEVER);
 633     ok(0==mhdr.dwOffset, "MIDIHDR.dwOffset 1/2 changed to %u\n", mhdr.dwOffset);
 634
 635     mhdr.dwOffset = 1234123123;
 636     mhdr.dwBytesRecorded = 2*sizeof(MIDISHORTEVENT);
 637
 638     rc = playStream(hm, &mhdr);
 639     ok(!rc, "midiStreamOut 1 event out of 2 rc=%s\n", mmsys_error(rc));
 640
 641     test_notification(hwnd, "2 of 2 events", MOM_POSITIONCB, (DWORD_PTR)&mhdr);
 642     test_notification(hwnd, "2 of 2 events", MOM_POSITIONCB, (DWORD_PTR)&mhdr);
 643     test_notification(hwnd, "2 of 2 events", MOM_DONE, (DWORD_PTR)&mhdr);
 644     test_notification(hwnd, "2 of 2 events", 0, WHATEVER);
 645     ok(sizeof(MIDISHORTEVENT)==mhdr.dwOffset, "MIDIHDR.dwOffset 2/2 changed to %u\n", mhdr.dwOffset);
 646     ok(mhdr.dwBytesRecorded == 2*sizeof(MIDISHORTEVENT), "dwBytesRecorded changed to %u\n", mhdr.dwBytesRecorded);
 647
 648     strmNops[0].dwEvent &= ~MEVT_F_CALLBACK;
 649     strmNops[1].dwEvent &= ~MEVT_F_CALLBACK;
 650     mhdr.dwOffset = 1234123123;
 651     rc = playStream(hm, &mhdr);
 652     ok(!rc, "midiStreamOut 1 event out of 2 rc=%s\n", mmsys_error(rc));
 653
 654     test_notification(hwnd, "0 CB in 2 events", MOM_DONE, (DWORD_PTR)&mhdr);
 655     test_notification(hwnd, "0 CB in 2 events", 0, WHATEVER);
 656     /* w9X/me/nt set dwOffset to the position played last */
 657     ok(1234123123==mhdr.dwOffset || broken(sizeof(MIDISHORTEVENT)==mhdr.dwOffset), "MIDIHDR.dwOffset nocb changed to %u\n", mhdr.dwOffset);
 658
 659     mhdr.dwBytesRecorded = mhdr.dwBufferLength-1;
 660     rc = playStream(hm, &mhdr);
 661     ok(rc==MMSYSERR_INVALPARAM,"midiStreamOut dwBytesRecorded modulo MIDIEVENT rc=%s\n", mmsys_error(rc));
 662     if (!rc) {
 663          test_notification(hwnd, "2 of 2 events", MOM_DONE, (DWORD_PTR)&mhdr);
 664     }
 665
 666     mhdr.dwBytesRecorded = mhdr.dwBufferLength+1;
 667     rc = playStream(hm, &mhdr);
 668     ok(rc==MMSYSERR_INVALPARAM,"midiStreamOut dwBufferLength<dwBytesRecorded rc=%s\n", mmsys_error(rc));
 669     test_notification(hwnd, "past MIDIHDR tests", 0, WHATEVER);
 670
 671     rc = midiStreamStop(hm);
 672     ok(!rc, "midiStreamStop rc=%s\n", mmsys_error(rc));
 673     ok(mhdr.dwUser==0x56FA552C, "MIDIHDR.dwUser changed to %lx\n", mhdr.dwUser);
 674
 675     rc = midiOutUnprepareHeader((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
 676     ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
 677     ok(0==strmNops[0].dwStreamID, "dwStreamID[0] set to %x\n", strmNops[0].dwStreamID);
 678     ok(0==strmNops[1].dwStreamID, "dwStreamID[1] set to %x\n", strmNops[1].dwStreamID);
 679
 680     mhdr.dwBufferLength = 70000; /* > 64KB! */
 681     mhdr.lpData = HeapAlloc(GetProcessHeap(), 0 , mhdr.dwBufferLength);
 682     ok(mhdr.lpData!=NULL, "No %d bytes of memory!\n", mhdr.dwBufferLength);
 683     if (mhdr.lpData) {
 684         mhdr.dwFlags = 0;
 685         /* PrepareHeader detects the too large buffer is for a stream. */
 686         rc = midiOutPrepareHeader((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
 687         todo_wine ok(rc==MMSYSERR_INVALPARAM, "midiOutPrepare stream too large rc=%s\n", mmsys_error(rc));
 688
 689         rc = midiOutUnprepareHeader((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
 690         ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
 691
 692         HeapFree(GetProcessHeap(), 0, mhdr.lpData);
 693     }
 694
 695     rc = midiStreamClose(hm);
 696     ok(!rc, "midiStreamClose rc=%s\n", mmsys_error(rc));
 697     test_notification(hwnd, "midiStreamClose", MOM_CLOSE, 0);
 698     test_notification(hwnd, "midiStream over", 0, WHATEVER);
 699
 700     rc = midiStreamOpen(&hm, &udev, 1, 0, (DWORD_PTR)MYCBINST, CALLBACK_FUNCTION);
 701     ok(!rc /*w2k*/|| rc==MMSYSERR_INVALPARAM/*w98*/, "midiStreamOpen NULL function rc=%s\n", mmsys_error(rc));
 702     if (!rc) {
 703         trace("Device %d accepts NULL CALLBACK_FUNCTION\n", udev);
 704         rc = midiStreamClose(hm);
 705         ok(!rc, "midiStreamClose rc=%s\n", mmsys_error(rc));
 706     }
 707
 708     rc = midiStreamOpen(&hm, &udev, 1, (DWORD_PTR)0xDEADBEEF, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
 709     ok(rc==MMSYSERR_INVALPARAM, "midiStreamOpen bad window rc=%s\n", mmsys_error(rc));
 710     if (!rc) {
 711         rc = midiStreamClose(hm);
 712         ok(!rc, "midiStreamClose rc=%s\n", mmsys_error(rc));
 713     }
 714 }
 715
 716 static BOOL scan_subkeys(HKEY parent, const LPCSTR *sub_keys)
 717 {
 718     char name[64];
 719     DWORD index = 0;
 720     DWORD name_len = sizeof(name);
 721     BOOL found_vmware = FALSE;
 722
 723     if (sub_keys[0] == NULL)
 724     {
 725        /* We're at the deepest level, check "Identifier" value now */
 726        char *test;
 727        if (RegQueryValueExA(parent, "Identifier", NULL, NULL, (LPBYTE) name, &name_len) != ERROR_SUCCESS)
 728            return FALSE;
 729        for (test = name; test < name + lstrlenA(name) - 6 && ! found_vmware; test++)
 730        {
 731            char c = test[6];
 732            test[6] = '\0';
 733            found_vmware = (lstrcmpiA(test, "VMware") == 0);
 734            test[6] = c;
 735        }
 736        return found_vmware;
 737     }
 738
 739     while (RegEnumKeyExA(parent, index, name, &name_len, NULL, NULL, NULL, NULL) == ERROR_SUCCESS &&
 740            ! found_vmware) {
 741         char c = name[lstrlenA(sub_keys[0])];
 742         name[lstrlenA(sub_keys[0])] = '\0';
 743         if (lstrcmpiA(name, sub_keys[0]) == 0) {
 744             HKEY sub_key;
 745             name[lstrlenA(sub_keys[0])] = c;
 746             if (RegOpenKeyExA(parent, name, 0, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &sub_key) == ERROR_SUCCESS) {
 747                 found_vmware = scan_subkeys(sub_key, sub_keys + 1);
 748                 RegCloseKey(sub_key);
 749             }
 750         }
 751
 752         name_len = sizeof(name);
 753         index++;
 754     }
 755
 756     return found_vmware;
 757 }
 758
 759 /*
 760  * Usual method to detect whether running inside a VMware virtual machine involves direct port I/O requiring
 761  * some assembly and an exception handler. Can't do that in Wine tests. Alternative method of querying WMI
 762  * is not available on NT4. So instead we look at the device map and check the Identifier value in the
 763  * registry keys HKLM\HARDWARE\DEVICEMAP\SCSI\Scsi Port x\Scsi Bus x\Target Id x\Logical Unit Id x (where
 764  * x is some number). If the Identifier value contains the string "VMware" we assume running in a VMware VM.
 765  */
 766 static BOOL on_vmware(void)
 767 {
 768     static const LPCSTR sub_keys[] = { "Scsi Port ", "Scsi Bus ", "Target Id ", "Logical Unit Id ", NULL };
 769     HKEY scsi;
 770     BOOL found_vmware = FALSE;
 771
 772     if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "HARDWARE\\DEVICEMAP\\Scsi", 0, KEY_ENUMERATE_SUB_KEYS, &scsi) != ERROR_SUCCESS)
 773         return FALSE;
 774
 775     found_vmware = scan_subkeys(scsi, sub_keys);
 776
 777     RegCloseKey(scsi);
 778
 779     return found_vmware;
 780 }
 781
 782 static void test_midi_outfns(HWND hwnd)
 783 {
 784     HMIDIOUT hm;
 785     MMRESULT rc;
 786     UINT udev, ndevs = midiOutGetNumDevs();
 787
 788     rc = midiOutOpen(&hm, ndevs, 0, 0, CALLBACK_NULL);
 789     ok(rc==MMSYSERR_BADDEVICEID, "midiOutOpen udev>max rc=%s\n", mmsys_error(rc));
 790     if (!rc) {
 791         rc = midiOutClose(hm);
 792         ok(!rc, "midiOutClose rc=%s\n", mmsys_error(rc));
 793     }
 794     if (!ndevs) {
 795         MIDIOUTCAPSA capsA;
 796         skip("Found no MIDI out device\n");
 797
 798         rc = midiOutGetDevCapsA(MIDIMAPPER, &capsA, sizeof(capsA));
 799         /* GetDevCaps and Open must return compatible results */
 800         ok(rc==MMSYSERR_BADDEVICEID || broken(rc==MMSYSERR_NODRIVER /*nt,w2k*/), "midiOutGetDevCaps MAPPER with no MIDI rc=%s\n", mmsys_error(rc));
 801
 802         rc = midiOutOpen(&hm, MIDIMAPPER, 0, 0, CALLBACK_NULL);
 803         todo_wine_if (rc == MIDIERR_INVALIDSETUP) /* Wine without snd-seq */
 804             ok(rc == MMSYSERR_BADDEVICEID || broken(rc == MMSYSERR_NODRIVER /*w2k sound disabled*/),
 805                "midiOutOpen MAPPER with no MIDI rc=%s\n", mmsys_error(rc));
 806         if (!rc) {
 807             rc = midiOutClose(hm);
 808             ok(!rc, "midiOutClose rc=%s\n", mmsys_error(rc));
 809         }
 810         return;
 811     }
 812     trace("Found %d MIDI OUT devices\n", ndevs);
 813
 814     test_midi_mci(hwnd);
 815
 816     for (udev=0; udev < ndevs; udev++) {
 817         MIDIOUTCAPSA capsA;
 818         rc = midiOutGetDevCapsA(udev, &capsA, sizeof(capsA));
 819         if (rc || strcmp(capsA.szPname, "Creative Sound Blaster MPU-401") != 0 || ! on_vmware()) {
 820             trace("** Testing device %d\n", udev);
 821             test_midiOut_device(udev, hwnd);
 822             Sleep(800); /* Let the synth rest */
 823             test_midiStream(udev, hwnd);
 824             Sleep(800);
 825         }
 826         else
 827             win_skip("Skipping this device on VMware, driver problem\n");
 828     }
 829     trace("** Testing MIDI mapper\n");
 830     test_midiOut_device(MIDIMAPPER, hwnd);
 831     Sleep(800);
 832     test_midiStream(MIDIMAPPER, hwnd);
 833 }
 834
 835 START_TEST(midi)
 836 {
 837     HWND hwnd = 0;
 838     if (1) /* select 1 for CALLBACK_WINDOW or 0 for CALLBACK_FUNCTION */
 839     hwnd = CreateWindowExA(0, "static", "winmm midi test", WS_POPUP, 0,0,100,100,
 840                            0, 0, 0, NULL);
 841     test_midi_infns(hwnd);
 842     test_midi_outfns(hwnd);
 843     if (hwnd) DestroyWindow(hwnd);
 844 }