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mcimidi.c

/* -*- tab-width: 8; c-basic-offset: 4 -*- */

/*
 * Sample MIDI Wine Driver for Linux
 *
 * Copyright      1994 Martin Ayotte
 *          1999 Eric Pouech
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * Eric POUECH :
 * 98/7 changes for making this MIDI driver work on OSS
 *    current support is limited to MIDI ports of OSS systems
 * 98/9     rewriting MCI code for MIDI
 * 98/11 splitted in midi.c and mcimidi.c
 */

/* TODO:
 *      + implement it correctly
 *      + finish asynchronous commands (especially for reading/record)
 *      + better implement non waiting command (without the MCI_WAIT flag).
 *      + implement the recording features
 */

#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wownt32.h"
#include "mmddk.h"
#include "wine/debug.h"
#include "wine/unicode.h"

WINE_DEFAULT_DEBUG_CHANNEL(mcimidi);

#define MIDI_NOTEOFF             0x80
#define MIDI_NOTEON              0x90

typedef struct {
    DWORD         dwFirst;          /* offset in file of track */
    DWORD         dwLast;                 /* number of bytes in file of track */
    DWORD         dwIndex;          /* current index in file (dwFirst <= dwIndex < dwLast) */
    DWORD         dwLength;         /* number of pulses in this track */
    DWORD         dwEventPulse;           /* current pulse # (event) pointed by dwIndex */
    DWORD         dwEventData;            /* current data    (event) pointed by dwIndex */
    WORD          wEventLength;           /* current length  (event) pointed by dwIndex */
    WORD          wStatus : 1,            /* 1 : playing, 0 : done */
                      wTrackNr : 7,
                      wLastCommand : 8;   /* last MIDI command on track */
} MCI_MIDITRACK;

typedef struct tagWINE_MCIMIDI {
    UINT          wDevID;                 /* the MCI one */
    HMIDI         hMidi;
    int                 nUseCount;              /* Incremented for each shared open          */
    WORD          wNotifyDeviceID;        /* MCI device ID with a pending notification */
    HANDLE        hCallback;              /* Callback handle for pending notification  */
    HMMIO         hFile;                        /* mmio file handle open as Element          */
    LPWSTR        lpstrElementName;       /* Name of file (if any)                     */
    LPWSTR        lpstrCopyright;
    LPWSTR        lpstrName;
    WORD          dwStatus;         /* one from MCI_MODE_xxxx */
    DWORD         dwMciTimeFormat;  /* One of the supported MCI_FORMAT_xxxx */
    WORD          wFormat;          /* Format of MIDI hFile (0, 1 or 2) */
    WORD          nTracks;          /* Number of tracks in hFile */
    WORD          nDivision;        /* Number of division in hFile PPQN or SMPTE */
    WORD          wStartedPlaying;
    DWORD         dwTempo;          /* Tempo (# of 1/4 note per second */
    MCI_MIDITRACK*      tracks;                 /* Content of each track */
    DWORD         dwPulse;
    DWORD         dwPositionMS;
    DWORD         dwStartTicks;
} WINE_MCIMIDI;

/* ===================================================================
 * ===================================================================
 * FIXME: should be using the new mmThreadXXXX functions from WINMM
 * instead of those
 * it would require to add a wine internal flag to mmThreadCreate
 * in order to pass a 32 bit function instead of a 16 bit
 * ===================================================================
 * =================================================================== */

struct SCA {
    UINT    wDevID;
    UINT    wMsg;
    DWORD   dwParam1;
    DWORD   dwParam2;
};

/* EPP DWORD WINAPI mciSendCommandA(UINT wDevID, UINT wMsg, DWORD dwParam1, DWORD dwParam2); */

/**************************************************************************
 *                      MCI_SCAStarter                [internal]
 */
static DWORD CALLBACK   MCI_SCAStarter(LPVOID arg)
{
    struct SCA*   sca = (struct SCA*)arg;
    DWORD         ret;

    TRACE("In thread before async command (%08x,%u,%08lx,%08lx)\n",
        sca->wDevID, sca->wMsg, sca->dwParam1, sca->dwParam2);
    ret = mciSendCommandA(sca->wDevID, sca->wMsg, sca->dwParam1 | MCI_WAIT, sca->dwParam2);
    TRACE("In thread after async command (%08x,%u,%08lx,%08lx)\n",
        sca->wDevID, sca->wMsg, sca->dwParam1, sca->dwParam2);
    HeapFree(GetProcessHeap(), 0, sca);
    ExitThread(ret);
    WARN("Should not happen ? what's wrong \n");
    /* should not go after this point */
    return ret;
}

/**************************************************************************
 *                      MCI_SendCommandAsync          [internal]
 */
static      DWORD MCI_SendCommandAsync(UINT wDevID, UINT wMsg, DWORD dwParam1,
                           DWORD dwParam2, UINT size)
{
    HANDLE handle;
    struct SCA*   sca = HeapAlloc(GetProcessHeap(), 0, sizeof(struct SCA) + size);

    if (sca == 0)
      return MCIERR_OUT_OF_MEMORY;

    sca->wDevID   = wDevID;
    sca->wMsg     = wMsg;
    sca->dwParam1 = dwParam1;

    if (size && dwParam2) {
      sca->dwParam2 = (DWORD)sca + sizeof(struct SCA);
      /* copy structure passed by program in dwParam2 to be sure
       * we can still use it whatever the program does
       */
      memcpy((LPVOID)sca->dwParam2, (LPVOID)dwParam2, size);
    } else {
      sca->dwParam2 = dwParam2;
    }

    if ((handle = CreateThread(NULL, 0, MCI_SCAStarter, sca, 0, NULL)) == 0) {
      WARN("Couldn't allocate thread for async command handling, sending synchonously\n");
      return MCI_SCAStarter(&sca);
    }
    CloseHandle(handle);
    return 0;
}

/*======================================================================*
 *                          MCI MIDI implemantation               *
 *======================================================================*/

static DWORD MIDI_mciResume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms);

/**************************************************************************
 *                      MIDI_drvOpen                  [internal]
 */
static      DWORD MIDI_drvOpen(LPCWSTR str, LPMCI_OPEN_DRIVER_PARMSW modp)
{
    WINE_MCIMIDI* wmm;

    if (!modp) return 0xFFFFFFFF;

    wmm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINE_MCIMIDI));

    if (!wmm)
      return 0;

    wmm->wDevID = modp->wDeviceID;
    mciSetDriverData(wmm->wDevID, (DWORD)wmm);
    modp->wCustomCommandTable = MCI_NO_COMMAND_TABLE;
    modp->wType = MCI_DEVTYPE_SEQUENCER;
    return modp->wDeviceID;
}

/**************************************************************************
 *                      MCIMIDI_drvClose        [internal]
 */
static      DWORD MIDI_drvClose(DWORD dwDevID)
{
    WINE_MCIMIDI*  wmm = (WINE_MCIMIDI*)mciGetDriverData(dwDevID);

    if (wmm) {
      HeapFree(GetProcessHeap(), 0, wmm);
      mciSetDriverData(dwDevID, 0);
      return 1;
    }
    return (dwDevID == 0xFFFFFFFF) ? 1 : 0;
}

/**************************************************************************
 *                      MIDI_mciGetOpenDev            [internal]
 */
static WINE_MCIMIDI*  MIDI_mciGetOpenDev(UINT wDevID)
{
    WINE_MCIMIDI* wmm = (WINE_MCIMIDI*)mciGetDriverData(wDevID);

    if (wmm == NULL || wmm->nUseCount == 0) {
      WARN("Invalid wDevID=%u\n", wDevID);
      return 0;
    }
    return wmm;
}

/**************************************************************************
 *                      MIDI_mciReadByte        [internal]
 */
static DWORD MIDI_mciReadByte(WINE_MCIMIDI* wmm, BYTE *lpbyt)
{
    DWORD   ret = 0;

    if (lpbyt == NULL ||
      mmioRead(wmm->hFile, (HPSTR)lpbyt, sizeof(BYTE)) != (long)sizeof(BYTE)) {
      WARN("Error reading wmm=%p\n", wmm);
      ret = MCIERR_INVALID_FILE;
    }

    return ret;
}

/**************************************************************************
 *                      MIDI_mciReadWord        [internal]
 */
static DWORD MIDI_mciReadWord(WINE_MCIMIDI* wmm, LPWORD lpw)
{
    BYTE    hibyte, lobyte;
    DWORD   ret = MCIERR_INVALID_FILE;

    if (lpw != NULL &&
      MIDI_mciReadByte(wmm, &hibyte) == 0 &&
      MIDI_mciReadByte(wmm, &lobyte) == 0) {
      *lpw = ((WORD)hibyte << 8) + lobyte;
      ret = 0;
    }
    return ret;
}

/**************************************************************************
 *                      MIDI_mciReadLong        [internal]
 */
static DWORD MIDI_mciReadLong(WINE_MCIMIDI* wmm, LPDWORD lpdw)
{
    WORD    hiword, loword;
    DWORD   ret = MCIERR_INVALID_FILE;

    if (lpdw != NULL &&
      MIDI_mciReadWord(wmm, &hiword) == 0 &&
      MIDI_mciReadWord(wmm, &loword) == 0) {
      *lpdw = MAKELONG(loword, hiword);
      ret = 0;
    }
    return ret;
}

/**************************************************************************
 *                      MIDI_mciReadVaryLen           [internal]
 */
static WORD MIDI_mciReadVaryLen(WINE_MCIMIDI* wmm, LPDWORD lpdw)
{
    BYTE    byte;
    DWORD   value = 0;
    WORD    ret = 0;

    if (lpdw == NULL) {
      ret = MCIERR_INVALID_FILE;
    } else {
      do {
          if (MIDI_mciReadByte(wmm, &byte) != 0) {
            return 0;
          }
          value = (value << 7) + (byte & 0x7F);
          ret++;
      } while (byte & 0x80);
      *lpdw = value;
      /*
        TRACE("val=%08lX \n", value);
      */
    }
    return ret;
}

/**************************************************************************
 *                      MIDI_mciReadNextEvent         [internal]
 */
static DWORD      MIDI_mciReadNextEvent(WINE_MCIMIDI* wmm, MCI_MIDITRACK* mmt)
{
    BYTE    b1, b2 = 0, b3;
    WORD    hw = 0;
    DWORD   evtPulse;
    DWORD   evtLength;
    DWORD   tmp;

    if (mmioSeek(wmm->hFile, mmt->dwIndex, SEEK_SET) != mmt->dwIndex) {
      WARN("Can't seek at %08lX \n", mmt->dwIndex);
      return MCIERR_INVALID_FILE;
    }
    evtLength = MIDI_mciReadVaryLen(wmm, &evtPulse) + 1;    /* > 0 */
    MIDI_mciReadByte(wmm, &b1);
    switch (b1) {
    case 0xF0:
    case 0xF7:
      evtLength += MIDI_mciReadVaryLen(wmm, &tmp);
      evtLength += tmp;
      break;
    case 0xFF:
      MIDI_mciReadByte(wmm, &b2);   evtLength++;

      evtLength += MIDI_mciReadVaryLen(wmm, &tmp);
      if (evtLength >= 0x10000u) {
          /* this limitation shouldn't be a problem */
          WARN("Ouch !! Implementation limitation to 64k bytes for a MIDI event is overflowed\n");
          hw = 0xFFFF;
      } else {
          hw = LOWORD(evtLength);
      }
      evtLength += tmp;
      break;
    default:
      if (b1 & 0x80) { /* use running status ? */
          mmt->wLastCommand = b1;
          MIDI_mciReadByte(wmm, &b2);     evtLength++;
      } else {
          b2 = b1;
          b1 = mmt->wLastCommand;
      }
      switch ((b1 >> 4) & 0x07) {
      case 0:     case 1:     case 2: case 3: case 6:
          MIDI_mciReadByte(wmm, &b3);     evtLength++;
          hw = b3;
          break;
      case 4:     case 5:
          break;
      case 7:
          WARN("Strange indeed b1=0x%02x\n", b1);
      }
      break;
    }
    if (mmt->dwIndex + evtLength > mmt->dwLast)
      return MCIERR_INTERNAL;

    mmt->dwEventPulse += evtPulse;
    mmt->dwEventData   = (hw << 16) + (b2 << 8) + b1;
    mmt->wEventLength  = evtLength;

    /*
      TRACE("[%u] => pulse=%08lx(%08lx), data=%08lx, length=%u\n",
      mmt->wTrackNr, mmt->dwEventPulse, evtPulse,
      mmt->dwEventData, mmt->wEventLength);
    */
    return 0;
}

/**************************************************************************
 *                      MIDI_mciReadMTrk        [internal]
 */
static DWORD MIDI_mciReadMTrk(WINE_MCIMIDI* wmm, MCI_MIDITRACK* mmt)
{
    DWORD         toberead;
    FOURCC        fourcc;

    if (mmioRead(wmm->hFile, (HPSTR)&fourcc, (long)sizeof(FOURCC)) !=
      (long)sizeof(FOURCC)) {
      return MCIERR_INVALID_FILE;
    }

    if (fourcc != mmioFOURCC('M', 'T', 'r', 'k')) {
      WARN("Can't synchronize on 'MTrk' !\n");
      return MCIERR_INVALID_FILE;
    }

    if (MIDI_mciReadLong(wmm, &toberead) != 0) {
      return MCIERR_INVALID_FILE;
    }
    mmt->dwFirst = mmioSeek(wmm->hFile, 0, SEEK_CUR); /* >= 0 */
    mmt->dwLast = mmt->dwFirst + toberead;

    /* compute # of pulses in this track */
    mmt->dwIndex = mmt->dwFirst;
    mmt->dwEventPulse = 0;

    while (MIDI_mciReadNextEvent(wmm, mmt) == 0 && LOWORD(mmt->dwEventData) != 0x2FFF) {
      char  buf[1024];
      WORD  len;

      mmt->dwIndex += mmt->wEventLength;

      switch (LOWORD(mmt->dwEventData)) {
      case 0x02FF:
      case 0x03FF:
          /* position after meta data header */
          mmioSeek(wmm->hFile, mmt->dwIndex + HIWORD(mmt->dwEventData), SEEK_SET);
          len = mmt->wEventLength - HIWORD(mmt->dwEventData);

          if (len >= sizeof(buf)) {
            WARN("Buffer for text is too small (%d bytes, when %u are needed)\n", sizeof(buf) - 1, len);
            len = sizeof(buf) - 1;
          }
          if (mmioRead(wmm->hFile, (HPSTR)buf, len) == len) {
            buf[len] = 0;     /* end string in case */
            switch (HIBYTE(LOWORD(mmt->dwEventData))) {
            case 0x02:
                if (wmm->lpstrCopyright) {
                  WARN("Two copyright notices (%s|%s)\n", debugstr_w(wmm->lpstrCopyright), buf);
                } else {
                        len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
                        wmm->lpstrCopyright = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
                        len = MultiByteToWideChar( CP_ACP, 0, buf, -1, wmm->lpstrCopyright, len );
                }
                break;
            case 0x03:
                if (wmm->lpstrName) {
                  WARN("Two names (%s|%s)\n", debugstr_w(wmm->lpstrName), buf);
                } else {
                        len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
                        wmm->lpstrName = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
                        len = MultiByteToWideChar( CP_ACP, 0, buf, -1, wmm->lpstrName, len );
                }
                break;
            }
          }
          break;
      }
    }
    mmt->dwLength = mmt->dwEventPulse;

    TRACE("Track %u has %lu bytes and %lu pulses\n", mmt->wTrackNr, toberead, mmt->dwLength);

    /* reset track data */
    mmt->wStatus = 1;   /* ok, playing */
    mmt->dwIndex = mmt->dwFirst;
    mmt->dwEventPulse = 0;

    if (mmioSeek(wmm->hFile, 0, SEEK_CUR) != mmt->dwLast) {
      WARN("Ouch, out of sync seek=%lu track=%lu\n",
           mmioSeek(wmm->hFile, 0, SEEK_CUR), mmt->dwLast);
      /* position at end of this track, to be ready to read next track */
      mmioSeek(wmm->hFile, mmt->dwLast, SEEK_SET);
    }

    return 0;
}

/**************************************************************************
 *                      MIDI_mciReadMThd        [internal]
 */
static DWORD MIDI_mciReadMThd(WINE_MCIMIDI* wmm, DWORD dwOffset)
{
    DWORD   toberead;
    FOURCC  fourcc;
    WORD    nt;

    TRACE("(%p, %08lX);\n", wmm, dwOffset);

    if (mmioSeek(wmm->hFile, dwOffset, SEEK_SET) != dwOffset) {
      WARN("Can't seek at %08lX begin of 'MThd' \n", dwOffset);
      return MCIERR_INVALID_FILE;
    }
    if (mmioRead(wmm->hFile, (HPSTR)&fourcc,
               (long) sizeof(FOURCC)) != (long) sizeof(FOURCC))
      return MCIERR_INVALID_FILE;

    if (fourcc != mmioFOURCC('M', 'T', 'h', 'd')) {
      WARN("Can't synchronize on 'MThd' !\n");
      return MCIERR_INVALID_FILE;
    }

    if (MIDI_mciReadLong(wmm, &toberead) != 0 || toberead < 3 * sizeof(WORD))
      return MCIERR_INVALID_FILE;

    if (MIDI_mciReadWord(wmm, &wmm->wFormat) != 0 ||
      MIDI_mciReadWord(wmm, &wmm->nTracks) != 0 ||
      MIDI_mciReadWord(wmm, &wmm->nDivision) != 0) {
      return MCIERR_INVALID_FILE;
    }

    TRACE("toberead=0x%08lX, wFormat=0x%04X nTracks=0x%04X nDivision=0x%04X\n",
        toberead, wmm->wFormat, wmm->nTracks, wmm->nDivision);

    /* MS doc says that the MIDI MCI time format must be put by default to the format
     * stored in the MIDI file...
     */
    if (wmm->nDivision > 0x8000) {
      /* eric.pouech@lemel.fr 98/11
       * In did not check this very code (pulses are expressed as SMPTE sub-frames).
       * In about 40 MB of MIDI files I have, none was SMPTE based...
       * I'm just wondering if this is widely used :-). So, if someone has one of
       * these files, I'd like to know about.
       */
      FIXME("Handling SMPTE time in MIDI files has not been tested\n"
            "Please report to comp.emulators.ms-windows.wine with MIDI file !\n");

      switch (HIBYTE(wmm->nDivision)) {
      case 0xE8:  wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_24;     break;      /* -24 */
      case 0xE7:  wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_25;     break;      /* -25 */
      case 0xE3:  wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_30DROP; break;      /* -29 */ /* is the MCI constant correct ? */
      case 0xE2:  wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_30;     break;      /* -30 */
      default:
          WARN("Unsupported number of frames %d\n", -(char)HIBYTE(wmm->nDivision));
          return MCIERR_INVALID_FILE;
      }
      switch (LOBYTE(wmm->nDivision)) {
      case 4:     /* MIDI Time Code */
      case 8:
      case 10:
      case 80: /* SMPTE bit resolution */
      case 100:
      default:
          WARN("Unsupported number of sub-frames %d\n", LOBYTE(wmm->nDivision));
          return MCIERR_INVALID_FILE;
      }
    } else if (wmm->nDivision == 0) {
      WARN("Number of division is 0, can't support that !!\n");
      return MCIERR_INVALID_FILE;
    } else {
      wmm->dwMciTimeFormat = MCI_FORMAT_MILLISECONDS;
    }

    switch (wmm->wFormat) {
    case 0:
      if (wmm->nTracks != 1) {
          WARN("Got type 0 file whose number of track is not 1. Setting it to 1\n");
          wmm->nTracks = 1;
      }
      break;
    case 1:
    case 2:
      break;
    default:
      WARN("Handling MIDI files which format = %d is not (yet) supported\n"
           "Please report with MIDI file !\n", wmm->wFormat);
      return MCIERR_INVALID_FILE;
    }

    if (wmm->nTracks & 0x8000) {
      /* this shouldn't be a problem... */
      WARN("Ouch !! Implementation limitation to 32k tracks per MIDI file is overflowed\n");
      wmm->nTracks = 0x7FFF;
    }

    if ((wmm->tracks = HeapAlloc(GetProcessHeap(), 0, sizeof(MCI_MIDITRACK) * wmm->nTracks)) == NULL) {
      return MCIERR_OUT_OF_MEMORY;
    }

    toberead -= 3 * sizeof(WORD);
    if (toberead > 0) {
      TRACE("Size of MThd > 6, skipping %ld extra bytes\n", toberead);
      mmioSeek(wmm->hFile, toberead, SEEK_CUR);
    }

    for (nt = 0; nt < wmm->nTracks; nt++) {
      wmm->tracks[nt].wTrackNr = nt;
      if (MIDI_mciReadMTrk(wmm, &wmm->tracks[nt]) != 0) {
          WARN("Can't read 'MTrk' header \n");
          return MCIERR_INVALID_FILE;
      }
    }

    wmm->dwTempo = 500000;

    return 0;
}

/**************************************************************************
 *                MIDI_ConvertPulseToMS               [internal]
 */
static      DWORD MIDI_ConvertPulseToMS(WINE_MCIMIDI* wmm, DWORD pulse)
{
    DWORD   ret = 0;

    /* FIXME: this function may return false values since the tempo (wmm->dwTempo)
     * may change during file playing
     */
    if (wmm->nDivision == 0) {
      FIXME("Shouldn't happen. wmm->nDivision = 0\n");
    } else if (wmm->nDivision > 0x8000) { /* SMPTE, unchecked FIXME? */
      int   nf = -(char)HIBYTE(wmm->nDivision); /* number of frames     */
      int   nsf = LOBYTE(wmm->nDivision);       /* number of sub-frames */
      ret = (pulse * 1000) / (nf * nsf);
    } else {
      ret = (DWORD)((double)pulse * ((double)wmm->dwTempo / 1000) /
                  (double)wmm->nDivision);
    }

    /*
      TRACE("pulse=%lu tempo=%lu division=%u=0x%04x => ms=%lu\n",
      pulse, wmm->dwTempo, wmm->nDivision, wmm->nDivision, ret);
    */

    return ret;
}

#define TIME_MS_IN_ONE_HOUR   (60*60*1000)
#define TIME_MS_IN_ONE_MINUTE (60*1000)
#define TIME_MS_IN_ONE_SECOND (1000)

/**************************************************************************
 *                MIDI_ConvertTimeFormatToMS          [internal]
 */
static      DWORD MIDI_ConvertTimeFormatToMS(WINE_MCIMIDI* wmm, DWORD val)
{
    DWORD   ret = 0;

    switch (wmm->dwMciTimeFormat) {
    case MCI_FORMAT_MILLISECONDS:
      ret = val;
      break;
    case MCI_FORMAT_SMPTE_24:
      ret =
          (HIBYTE(HIWORD(val)) * 125) / 3 +             LOBYTE(HIWORD(val)) * TIME_MS_IN_ONE_SECOND +
          HIBYTE(LOWORD(val)) * TIME_MS_IN_ONE_MINUTE + LOBYTE(LOWORD(val)) * TIME_MS_IN_ONE_HOUR;
      break;
    case MCI_FORMAT_SMPTE_25:
      ret =
          HIBYTE(HIWORD(val)) * 40 +                    LOBYTE(HIWORD(val)) * TIME_MS_IN_ONE_SECOND +
          HIBYTE(LOWORD(val)) * TIME_MS_IN_ONE_MINUTE + LOBYTE(LOWORD(val)) * TIME_MS_IN_ONE_HOUR;
      break;
    case MCI_FORMAT_SMPTE_30:
      ret =
          (HIBYTE(HIWORD(val)) * 100) / 3 +             LOBYTE(HIWORD(val)) * TIME_MS_IN_ONE_SECOND +
          HIBYTE(LOWORD(val)) * TIME_MS_IN_ONE_MINUTE + LOBYTE(LOWORD(val)) * TIME_MS_IN_ONE_HOUR;
      break;
    default:
      WARN("Bad time format %lu!\n", wmm->dwMciTimeFormat);
    }
    /*
      TRACE("val=%lu=0x%08lx [tf=%lu] => ret=%lu\n", val, val, wmm->dwMciTimeFormat, ret);
    */
    return ret;
}

/**************************************************************************
 *                MIDI_ConvertMSToTimeFormat          [internal]
 */
static      DWORD MIDI_ConvertMSToTimeFormat(WINE_MCIMIDI* wmm, DWORD _val)
{
    DWORD   ret = 0, val = _val;
    DWORD   h, m, s, f;

    switch (wmm->dwMciTimeFormat) {
    case MCI_FORMAT_MILLISECONDS:
      ret = val;
      break;
    case MCI_FORMAT_SMPTE_24:
    case MCI_FORMAT_SMPTE_25:
    case MCI_FORMAT_SMPTE_30:
      h = val / TIME_MS_IN_ONE_HOUR;
      m = (val -= h * TIME_MS_IN_ONE_HOUR)   / TIME_MS_IN_ONE_MINUTE;
      s = (val -= m * TIME_MS_IN_ONE_MINUTE) / TIME_MS_IN_ONE_SECOND;
      switch (wmm->dwMciTimeFormat) {
      case MCI_FORMAT_SMPTE_24:
          /* one frame is 1000/24 val long, 1000/24 == 125/3 */
          f = (val * 3) / 125;      val -= (f * 125) / 3;
          break;
      case MCI_FORMAT_SMPTE_25:
          /* one frame is 1000/25 ms long, 1000/25 == 40 */
          f = val / 40;             val -= f * 40;
          break;
      case MCI_FORMAT_SMPTE_30:
          /* one frame is 1000/30 ms long, 1000/30 == 100/3 */
          f = (val * 3) / 100;      val -= (f * 100) / 3;
          break;
      default:
          FIXME("There must be some bad bad programmer\n");
          f = 0;
      }
      /* val contains the number of ms which cannot make a complete frame */
      /* FIXME: is this correct ? programs seem to be happy with that */
      ret = (f << 24) | (s << 16) | (m << 8) | (h << 0);
      break;
    default:
      WARN("Bad time format %lu!\n", wmm->dwMciTimeFormat);
    }
    /*
      TRACE("val=%lu [tf=%lu] => ret=%lu=0x%08lx\n", _val, wmm->dwMciTimeFormat, ret, ret);
    */
    return ret;
}

/**************************************************************************
 *                MIDI_GetMThdLengthMS                [internal]
 */
static      DWORD MIDI_GetMThdLengthMS(WINE_MCIMIDI* wmm)
{
    WORD    nt;
    DWORD   ret = 0;

    for (nt = 0; nt < wmm->nTracks; nt++) {
      if (wmm->wFormat == 2) {
          ret += wmm->tracks[nt].dwLength;
      } else if (wmm->tracks[nt].dwLength > ret) {
          ret = wmm->tracks[nt].dwLength;
      }
    }
    /* FIXME: this is wrong if there is a tempo change inside the file */
    return MIDI_ConvertPulseToMS(wmm, ret);
}

/**************************************************************************
 *                      MIDI_mciOpen                  [internal]
 */
static DWORD MIDI_mciOpen(UINT wDevID, DWORD dwFlags, LPMCI_OPEN_PARMSW lpParms)
{
    DWORD         dwRet = 0;
    DWORD         dwDeviceID;
    WINE_MCIMIDI* wmm = (WINE_MCIMIDI*)mciGetDriverData(wDevID);

    TRACE("(%04x, %08lX, %p)\n", wDevID, dwFlags, lpParms);

    if (lpParms == NULL)      return MCIERR_NULL_PARAMETER_BLOCK;
    if (wmm == NULL)          return MCIERR_INVALID_DEVICE_ID;
    if (dwFlags & MCI_OPEN_SHAREABLE)
      return MCIERR_HARDWARE;

    if (wmm->nUseCount > 0) {
      /* The driver is already opened on this channel
       * MIDI sequencer cannot be shared
       */
      return MCIERR_DEVICE_OPEN;
    }
    wmm->nUseCount++;

    wmm->hFile = 0;
    wmm->hMidi = 0;
    wmm->lpstrElementName = NULL;
    dwDeviceID = lpParms->wDeviceID;

    TRACE("wDevID=%04X (lpParams->wDeviceID=%08lX)\n", wDevID, dwDeviceID);
    /*      lpParms->wDeviceID = wDevID;*/

    if (dwFlags & MCI_OPEN_ELEMENT) {
      TRACE("MCI_OPEN_ELEMENT %s!\n", debugstr_w(lpParms->lpstrElementName));
      if (lpParms->lpstrElementName && strlenW(lpParms->lpstrElementName) > 0) {
          wmm->hFile = mmioOpenW(lpParms->lpstrElementName, NULL,
                           MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
          if (wmm->hFile == 0) {
            WARN("Can't find file %s!\n", debugstr_w(lpParms->lpstrElementName));
            wmm->nUseCount--;
            return MCIERR_FILE_NOT_FOUND;
          }
            wmm->lpstrElementName = HeapAlloc(GetProcessHeap(), 0, 
                                              (strlenW(lpParms->lpstrElementName) + 1) * sizeof(WCHAR));
            strcpyW(wmm->lpstrElementName, lpParms->lpstrElementName);
      }
    }
    TRACE("hFile=%p\n", wmm->hFile);

    wmm->lpstrCopyright = NULL;
    wmm->lpstrName = NULL;

    wmm->wNotifyDeviceID = dwDeviceID;
    wmm->dwStatus = MCI_MODE_NOT_READY;   /* while loading file contents */
    /* spec says it should be the default format from the MIDI file... */
    wmm->dwMciTimeFormat = MCI_FORMAT_MILLISECONDS;

    if (wmm->hFile != 0) {
      MMCKINFO    ckMainRIFF;
      MMCKINFO    mmckInfo;
      DWORD       dwOffset = 0;

      if (mmioDescend(wmm->hFile, &ckMainRIFF, NULL, 0) != 0) {
          dwRet = MCIERR_INVALID_FILE;
      } else {
          TRACE("ParentChunk ckid=%.4s fccType=%.4s cksize=%08lX \n",
              (LPSTR)&ckMainRIFF.ckid, (LPSTR)&ckMainRIFF.fccType, ckMainRIFF.cksize);

          if (ckMainRIFF.ckid == FOURCC_RIFF && ckMainRIFF.fccType == mmioFOURCC('R', 'M', 'I', 'D')) {
            mmckInfo.ckid = mmioFOURCC('d', 'a', 't', 'a');
            mmioSeek(wmm->hFile, ckMainRIFF.dwDataOffset + ((ckMainRIFF.cksize + 1) & ~1), SEEK_SET);
            if (mmioDescend(wmm->hFile, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK) == 0) {
                TRACE("... is a 'RMID' file \n");
                dwOffset = mmckInfo.dwDataOffset;
            } else {
                dwRet = MCIERR_INVALID_FILE;
            }
          }
          if (dwRet == 0 && MIDI_mciReadMThd(wmm, dwOffset) != 0) {
            WARN("Can't read 'MThd' header \n");
            dwRet = MCIERR_INVALID_FILE;
          }
      }
    } else {
      TRACE("hFile==0, setting #tracks to 0; is this correct ?\n");
      wmm->nTracks = 0;
      wmm->wFormat = 0;
      wmm->nDivision = 1;
    }
    if (dwRet != 0) {
      wmm->nUseCount--;
      if (wmm->hFile != 0)
          mmioClose(wmm->hFile, 0);
      wmm->hFile = 0;
    } else {
      wmm->dwPositionMS = 0;
      wmm->dwStatus = MCI_MODE_STOP;
    }
    return dwRet;
}

/**************************************************************************
 *                      MIDI_mciStop                  [internal]
 */
static DWORD MIDI_mciStop(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);
    DWORD         dwRet = 0;

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (wmm == NULL)    return MCIERR_INVALID_DEVICE_ID;

    if (wmm->dwStatus != MCI_MODE_STOP) {
      int   oldstat = wmm->dwStatus;

      wmm->dwStatus = MCI_MODE_NOT_READY;
      if (oldstat == MCI_MODE_PAUSE)
          dwRet = midiOutReset((HMIDIOUT)wmm->hMidi);

      while (wmm->dwStatus != MCI_MODE_STOP)
          Sleep(10);
    }

    /* sanitiy reset */
    wmm->dwStatus = MCI_MODE_STOP;

    TRACE("wmm->dwStatus=%d\n", wmm->dwStatus);

    if (lpParms && (dwFlags & MCI_NOTIFY)) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }
    return 0;
}

/**************************************************************************
 *                      MIDI_mciClose                 [internal]
 */
static DWORD MIDI_mciClose(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (wmm == NULL)    return MCIERR_INVALID_DEVICE_ID;

    if (wmm->dwStatus != MCI_MODE_STOP) {
      MIDI_mciStop(wDevID, MCI_WAIT, lpParms);
    }

    wmm->nUseCount--;
    if (wmm->nUseCount == 0) {
      if (wmm->hFile != 0) {
          mmioClose(wmm->hFile, 0);
          wmm->hFile = 0;
          TRACE("hFile closed !\n");
      }
      HeapFree(GetProcessHeap(), 0, wmm->tracks);
      HeapFree(GetProcessHeap(), 0, (LPWSTR)wmm->lpstrElementName);
      HeapFree(GetProcessHeap(), 0, (LPSTR)wmm->lpstrCopyright);
      HeapFree(GetProcessHeap(), 0, (LPSTR)wmm->lpstrName);
    } else {
      TRACE("Shouldn't happen... nUseCount=%d\n", wmm->nUseCount);
      return MCIERR_INTERNAL;
    }

    if (lpParms && (dwFlags & MCI_NOTIFY)) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }
    return 0;
}

/**************************************************************************
 *                      MIDI_mciFindNextEvent         [internal]
 */
static MCI_MIDITRACK*   MIDI_mciFindNextEvent(WINE_MCIMIDI* wmm, LPDWORD hiPulse)
{
    WORD          cnt, nt;
    MCI_MIDITRACK*      mmt;

    *hiPulse = 0xFFFFFFFFul;
    cnt = 0xFFFFu;
    for (nt = 0; nt < wmm->nTracks; nt++) {
      mmt = &wmm->tracks[nt];

      if (mmt->wStatus == 0)
          continue;
      if (mmt->dwEventPulse < *hiPulse) {
          *hiPulse = mmt->dwEventPulse;
          cnt = nt;
      }
    }
    return (cnt == 0xFFFFu) ? 0 /* no more event on all tracks */
      : &wmm->tracks[cnt];
}

/**************************************************************************
 *                      MIDI_mciPlay                  [internal]
 */
static DWORD MIDI_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms)
{
    DWORD         dwStartMS, dwEndMS;
    DWORD         dwRet = 0;
    WORD          doPlay, nt;
    MCI_MIDITRACK*      mmt;
    DWORD         hiPulse;
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (wmm == NULL)    return MCIERR_INVALID_DEVICE_ID;

    if (wmm->hFile == 0) {
      WARN("Can't play: no file %s!\n", debugstr_w(wmm->lpstrElementName));
      return MCIERR_FILE_NOT_FOUND;
    }

    if (wmm->dwStatus != MCI_MODE_STOP) {
      if (wmm->dwStatus == MCI_MODE_PAUSE) {
          /* FIXME: parameters (start/end) in lpParams may not be used */
          return MIDI_mciResume(wDevID, dwFlags, (LPMCI_GENERIC_PARMS)lpParms);
      }
      WARN("Can't play: device is not stopped !\n");
      return MCIERR_INTERNAL;
    }

    if (!(dwFlags & MCI_WAIT)) {
      /** FIXME: I'm not 100% sure that wNotifyDeviceID is the right value in all cases ??? */
      return MCI_SendCommandAsync(wmm->wNotifyDeviceID, MCI_PLAY, dwFlags, (DWORD)lpParms, sizeof(LPMCI_PLAY_PARMS));
    }

    if (lpParms && (dwFlags & MCI_FROM)) {
      dwStartMS = MIDI_ConvertTimeFormatToMS(wmm, lpParms->dwFrom);
    } else {
      dwStartMS = wmm->dwPositionMS;
    }

    if (lpParms && (dwFlags & MCI_TO)) {
      dwEndMS = MIDI_ConvertTimeFormatToMS(wmm, lpParms->dwTo);
    } else {
      dwEndMS = 0xFFFFFFFFul;
    }

    TRACE("Playing from %lu to %lu\n", dwStartMS, dwEndMS);

    /* init tracks */
    for (nt = 0; nt < wmm->nTracks; nt++) {
      mmt = &wmm->tracks[nt];

      mmt->wStatus = 1; /* ok, playing */
      mmt->dwIndex = mmt->dwFirst;
      if (wmm->wFormat == 2 && nt > 0) {
          mmt->dwEventPulse = wmm->tracks[nt - 1].dwLength;
      } else {
          mmt->dwEventPulse = 0;
      }
      MIDI_mciReadNextEvent(wmm, mmt); /* FIXME == 0 */
    }

    dwRet = midiOutOpen((LPHMIDIOUT)&wmm->hMidi, MIDIMAPPER, 0L, 0L, CALLBACK_NULL);
    /*      dwRet = midiInOpen(&wmm->hMidi, MIDIMAPPER, 0L, 0L, CALLBACK_NULL);*/
    if (dwRet != MMSYSERR_NOERROR) {
      return dwRet;
    }

    wmm->dwPulse = 0;
    wmm->dwTempo = 500000;
    wmm->dwStatus = MCI_MODE_PLAY;
    wmm->dwPositionMS = 0;
    wmm->wStartedPlaying = FALSE;

    while (wmm->dwStatus != MCI_MODE_STOP && wmm->dwStatus != MCI_MODE_NOT_READY) {
      /* it seems that in case of multi-threading, gcc is optimizing just a little bit
       * too much. Tell gcc not to optimize status value using volatile.
       */
      while (((volatile WINE_MCIMIDI*)wmm)->dwStatus == MCI_MODE_PAUSE);

      doPlay = (wmm->dwPositionMS >= dwStartMS && wmm->dwPositionMS <= dwEndMS);

      TRACE("wmm->dwStatus=%d, doPlay=%c\n", wmm->dwStatus, doPlay ? 'T' : 'F');

      if ((mmt = MIDI_mciFindNextEvent(wmm, &hiPulse)) == NULL)
          break;  /* no more event on tracks */

      /* if starting playing, then set StartTicks to the value it would have had
       * if play had started at position 0
       */
      if (doPlay && !wmm->wStartedPlaying) {
          wmm->dwStartTicks = GetTickCount() - MIDI_ConvertPulseToMS(wmm, wmm->dwPulse);
          wmm->wStartedPlaying = TRUE;
          TRACE("Setting dwStartTicks to %lu\n", wmm->dwStartTicks);
      }

      if (hiPulse > wmm->dwPulse) {
          wmm->dwPositionMS += MIDI_ConvertPulseToMS(wmm, hiPulse - wmm->dwPulse);
          if (doPlay) {
            DWORD togo = wmm->dwStartTicks + wmm->dwPositionMS;
            DWORD tc = GetTickCount();

            TRACE("Pulses hi=0x%08lx <> cur=0x%08lx\n", hiPulse, wmm->dwPulse);
            TRACE("Wait until %lu => %lu ms\n",
                  tc - wmm->dwStartTicks, togo - wmm->dwStartTicks);
            if (tc < togo)
                Sleep(togo - tc);
          }
          wmm->dwPulse = hiPulse;
      }

      switch (LOBYTE(LOWORD(mmt->dwEventData))) {
      case 0xF0:
      case 0xF7:  /* sysex events */
          {
            FIXME("Not handling SysEx events (yet)\n");
          }
          break;
      case 0xFF:
          /* position after meta data header */
          mmioSeek(wmm->hFile, mmt->dwIndex + HIWORD(mmt->dwEventData), SEEK_SET);
          switch (HIBYTE(LOWORD(mmt->dwEventData))) {
          case 0x00: /* 16-bit sequence number */
            if (TRACE_ON(mcimidi)) {
                WORD    twd;

                MIDI_mciReadWord(wmm, &twd);    /* == 0 */
                TRACE("Got sequence number %u\n", twd);
            }
            break;
          case 0x01: /* any text */
          case 0x02: /* Copyright Message text */
          case 0x03: /* Sequence/Track Name text */
          case 0x04: /* Instrument Name text */
          case 0x05: /* Lyric text */
          case 0x06: /* Marker text */
          case 0x07: /* Cue-point text */
            if (TRACE_ON(mcimidi)) {
                char    buf[1024];
                WORD    len = mmt->wEventLength - HIWORD(mmt->dwEventData);
                static const char*  info[8] = {"", "Text", "Copyright", "Seq/Trk name",
                                       "Instrument", "Lyric", "Marker", "Cue-point"};
                WORD    idx = HIBYTE(LOWORD(mmt->dwEventData));

                if (len >= sizeof(buf)) {
                  WARN("Buffer for text is too small (%d bytes, when %u are needed)\n", sizeof(buf) - 1, len);
                  len = sizeof(buf) - 1;
                }
                if (mmioRead(wmm->hFile, (HPSTR)buf, len) == len) {
                  buf[len] = 0;     /* end string in case */
                  TRACE("%s => \"%s\"\n", (idx < 8 ) ? info[idx] : "", buf);
                } else {
                  WARN("Couldn't read data for %s\n", (idx < 8) ? info[idx] : "");
                }
            }
            break;
          case 0x20:
            /* MIDI channel (cc) */
            if (FIXME_ON(mcimidi)) {
                BYTE    bt;

                MIDI_mciReadByte(wmm, &bt);     /* == 0 */
                FIXME("NIY: MIDI channel=%u, track=%u\n", bt, mmt->wTrackNr);
            }
            break;
          case 0x21:
            /* MIDI port (pp) */
            if (FIXME_ON(mcimidi)) {
                BYTE    bt;

                MIDI_mciReadByte(wmm, &bt);     /* == 0 */
                FIXME("NIY: MIDI port=%u, track=%u\n", bt, mmt->wTrackNr);
            }
            break;
          case 0x2F: /* end of track */
            mmt->wStatus = 0;
            break;
          case 0x51:/* set tempo */
            /* Tempo is expressed in -seconds per midi quarter note
             * for format 1 MIDI files, this can only be present on track #0
             */
            if (mmt->wTrackNr != 0 && wmm->wFormat == 1) {
                WARN("For format #1 MIDI files, tempo can only be changed on track #0 (%u)\n", mmt->wTrackNr);
            } else {
                BYTE    tbt;
                DWORD   value = 0;

                MIDI_mciReadByte(wmm, &tbt);    value  = ((DWORD)tbt) << 16;
                MIDI_mciReadByte(wmm, &tbt);    value |= ((DWORD)tbt) << 8;
                MIDI_mciReadByte(wmm, &tbt);    value |= ((DWORD)tbt) << 0;
                TRACE("Setting tempo to %ld (BPM=%ld)\n", wmm->dwTempo, (value) ? (60000000l / value) : 0);
                wmm->dwTempo = value;
            }
            break;
          case 0x54: /* (hour) (min) (second) (frame) (fractional-frame) - SMPTE track start */
            if (mmt->wTrackNr != 0 && wmm->wFormat == 1) {
                WARN("For format #1 MIDI files, SMPTE track start can only be expressed on track #0 (%u)\n", mmt->wTrackNr);
            } if (mmt->dwEventPulse != 0) {
                WARN("SMPTE track start can only be expressed at start of track (%lu)\n", mmt->dwEventPulse);
            } else {
                BYTE    h, m, s, f, ff;

                MIDI_mciReadByte(wmm, &h);
                MIDI_mciReadByte(wmm, &m);
                MIDI_mciReadByte(wmm, &s);
                MIDI_mciReadByte(wmm, &f);
                MIDI_mciReadByte(wmm, &ff);
                FIXME("NIY: SMPTE track start %u:%u:%u %u.%u\n", h, m, s, f, ff);
            }
            break;
          case 0x58: /* file rythm */
            if (TRACE_ON(mcimidi)) {
                BYTE    num, den, cpmc, _32npqn;

                MIDI_mciReadByte(wmm, &num);
                MIDI_mciReadByte(wmm, &den);          /* to notate e.g. 6/8 */
                MIDI_mciReadByte(wmm, &cpmc);         /* number of MIDI clocks per metronome click */
                MIDI_mciReadByte(wmm, &_32npqn);            /* number of notated 32nd notes per MIDI quarter note */

                TRACE("%u/%u, clock per metronome click=%u, 32nd notes by 1/4 note=%u\n", num, 1 << den, cpmc, _32npqn);
            }
            break;
          case 0x59: /* key signature */
            if (TRACE_ON(mcimidi)) {
                BYTE    sf, mm;

                MIDI_mciReadByte(wmm, &sf);
                MIDI_mciReadByte(wmm, &mm);

                if (sf >= 0x80)     TRACE("%d flats\n", -(char)sf);
                else if (sf > 0)    TRACE("%d sharps\n", (char)sf);
                else          TRACE("Key of C\n");
                TRACE("Mode: %s\n", (mm == 0) ? "major" : "minor");
            }
            break;
          default:
            WARN("Unknown MIDI meta event %02x. Skipping...\n", HIBYTE(LOWORD(mmt->dwEventData)));
            break;
          }
          break;
      default:
          if (doPlay) {
            dwRet = midiOutShortMsg((HMIDIOUT)wmm->hMidi, mmt->dwEventData);
          } else {
            switch (LOBYTE(LOWORD(mmt->dwEventData)) & 0xF0) {
            case MIDI_NOTEON:
            case MIDI_NOTEOFF:
                dwRet = 0;
                break;
            default:
                dwRet = midiOutShortMsg((HMIDIOUT)wmm->hMidi, mmt->dwEventData);
            }
          }
      }
      mmt->dwIndex += mmt->wEventLength;
      if (mmt->dwIndex < mmt->dwFirst || mmt->dwIndex >= mmt->dwLast) {
          mmt->wStatus = 0;
      }
      if (mmt->wStatus) {
          MIDI_mciReadNextEvent(wmm, mmt);
      }
    }

    midiOutReset((HMIDIOUT)wmm->hMidi);

    dwRet = midiOutClose((HMIDIOUT)wmm->hMidi);
    /* to restart playing at beginning when it's over */
    wmm->dwPositionMS = 0;

    if (lpParms && (dwFlags & MCI_NOTIFY)) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }

    wmm->dwStatus = MCI_MODE_STOP;
    return dwRet;
}

/**************************************************************************
 *                      MIDI_mciRecord                [internal]
 */
static DWORD MIDI_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_RECORD_PARMS lpParms)
{
    int                 start, end;
    MIDIHDR       midiHdr;
    DWORD         dwRet;
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (wmm == 0) return MCIERR_INVALID_DEVICE_ID;

    if (wmm->hFile == 0) {
      WARN("Can't find file=%s!\n", debugstr_w(wmm->lpstrElementName));
      return MCIERR_FILE_NOT_FOUND;
    }
    start = 1;          end = 99999;
    if (lpParms && (dwFlags & MCI_FROM)) {
      start = lpParms->dwFrom;
      TRACE("MCI_FROM=%d \n", start);
    }
    if (lpParms && (dwFlags & MCI_TO)) {
      end = lpParms->dwTo;
      TRACE("MCI_TO=%d \n", end);
    }
    midiHdr.lpData = (LPSTR) HeapAlloc(GetProcessHeap(), 0, 1200);
    if (!midiHdr.lpData)
      return MCIERR_OUT_OF_MEMORY;
    midiHdr.dwBufferLength = 1024;
    midiHdr.dwUser = 0L;
    midiHdr.dwFlags = 0L;
    dwRet = midiInPrepareHeader((HMIDIIN)wmm->hMidi, &midiHdr, sizeof(MIDIHDR));
    TRACE("After MIDM_PREPARE \n");
    wmm->dwStatus = MCI_MODE_RECORD;
    /* FIXME: there is no buffer added */
    while (wmm->dwStatus != MCI_MODE_STOP) {
      TRACE("wmm->dwStatus=%p %d\n",
            &wmm->dwStatus, wmm->dwStatus);
      midiHdr.dwBytesRecorded = 0;
      dwRet = midiInStart((HMIDIIN)wmm->hMidi);
      TRACE("midiInStart => dwBytesRecorded=%lu\n", midiHdr.dwBytesRecorded);
      if (midiHdr.dwBytesRecorded == 0) break;
    }
    TRACE("Before MIDM_UNPREPARE \n");
    dwRet = midiInUnprepareHeader((HMIDIIN)wmm->hMidi, &midiHdr, sizeof(MIDIHDR));
    TRACE("After MIDM_UNPREPARE \n");
    if (midiHdr.lpData != NULL) {
      HeapFree(GetProcessHeap(), 0, midiHdr.lpData);
      midiHdr.lpData = NULL;
    }
    wmm->dwStatus = MCI_MODE_STOP;
    if (lpParms && (dwFlags & MCI_NOTIFY)) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }
    return 0;
}

/**************************************************************************
 *                      MIDI_mciPause                 [internal]
 */
static DWORD MIDI_mciPause(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (wmm == NULL)    return MCIERR_INVALID_DEVICE_ID;

    if (wmm->dwStatus == MCI_MODE_PLAY) {
      /* stop all notes */
      unsigned chn;
      for (chn = 0; chn < 16; chn++)
          midiOutShortMsg((HMIDIOUT)(wmm->hMidi), 0x78B0 | chn);
      wmm->dwStatus = MCI_MODE_PAUSE;
    }
    if (lpParms && (dwFlags & MCI_NOTIFY)) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }

    return 0;
}

/**************************************************************************
 *                      MIDI_mciResume                [internal]
 */
static DWORD MIDI_mciResume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (wmm == NULL)    return MCIERR_INVALID_DEVICE_ID;

    if (wmm->dwStatus == MCI_MODE_PAUSE) {
      wmm->wStartedPlaying = FALSE;
      wmm->dwStatus = MCI_MODE_PLAY;
    }
    if (lpParms && (dwFlags & MCI_NOTIFY)) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }
    return 0;
}

/**************************************************************************
 *                      MIDI_mciSet             [internal]
 */
static DWORD MIDI_mciSet(UINT wDevID, DWORD dwFlags, LPMCI_SET_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (lpParms == NULL)      return MCIERR_NULL_PARAMETER_BLOCK;
    if (wmm == NULL)          return MCIERR_INVALID_DEVICE_ID;

    if (dwFlags & MCI_SET_TIME_FORMAT) {
      switch (lpParms->dwTimeFormat) {
      case MCI_FORMAT_MILLISECONDS:
          TRACE("MCI_FORMAT_MILLISECONDS !\n");
          wmm->dwMciTimeFormat = MCI_FORMAT_MILLISECONDS;
          break;
      case MCI_FORMAT_SMPTE_24:
          TRACE("MCI_FORMAT_SMPTE_24 !\n");
          wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_24;
          break;
      case MCI_FORMAT_SMPTE_25:
          TRACE("MCI_FORMAT_SMPTE_25 !\n");
          wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_25;
          break;
      case MCI_FORMAT_SMPTE_30:
          TRACE("MCI_FORMAT_SMPTE_30 !\n");
          wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_30;
          break;
      default:
          WARN("Bad time format %lu!\n", lpParms->dwTimeFormat);
          return MCIERR_BAD_TIME_FORMAT;
      }
    }
    if (dwFlags & MCI_SET_VIDEO) {
      TRACE("No support for video !\n");
      return MCIERR_UNSUPPORTED_FUNCTION;
    }
    if (dwFlags & MCI_SET_DOOR_OPEN) {
      TRACE("No support for door open !\n");
      return MCIERR_UNSUPPORTED_FUNCTION;
    }
    if (dwFlags & MCI_SET_DOOR_CLOSED) {
      TRACE("No support for door close !\n");
      return MCIERR_UNSUPPORTED_FUNCTION;
    }
    if (dwFlags & MCI_SET_AUDIO) {
      if (dwFlags & MCI_SET_ON) {
          TRACE("MCI_SET_ON audio !\n");
      } else if (dwFlags & MCI_SET_OFF) {
          TRACE("MCI_SET_OFF audio !\n");
      } else {
          WARN("MCI_SET_AUDIO without SET_ON or SET_OFF\n");
          return MCIERR_BAD_INTEGER;
      }

      switch (lpParms->dwAudio)
        {
        case MCI_SET_AUDIO_ALL:         TRACE("MCI_SET_AUDIO_ALL !\n"); break;
        case MCI_SET_AUDIO_LEFT:        TRACE("MCI_SET_AUDIO_LEFT !\n"); break;
        case MCI_SET_AUDIO_RIGHT:       TRACE("MCI_SET_AUDIO_RIGHT !\n"); break;
        default:                        WARN("Unknown audio channel %lu\n", lpParms->dwAudio); break;
        }
    }

    if (dwFlags & MCI_SEQ_SET_MASTER)
      TRACE("MCI_SEQ_SET_MASTER !\n");
    if (dwFlags & MCI_SEQ_SET_SLAVE)
      TRACE("MCI_SEQ_SET_SLAVE !\n");
    if (dwFlags & MCI_SEQ_SET_OFFSET)
      TRACE("MCI_SEQ_SET_OFFSET !\n");
    if (dwFlags & MCI_SEQ_SET_PORT)
      TRACE("MCI_SEQ_SET_PORT !\n");
    if (dwFlags & MCI_SEQ_SET_TEMPO)
      TRACE("MCI_SEQ_SET_TEMPO !\n");
    return 0;
}

/**************************************************************************
 *                      MIDI_mciStatus                [internal]
 */
static DWORD MIDI_mciStatus(UINT wDevID, DWORD dwFlags, LPMCI_STATUS_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);
    DWORD         ret = 0;

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (lpParms == NULL)      return MCIERR_NULL_PARAMETER_BLOCK;
    if (wmm == NULL)          return MCIERR_INVALID_DEVICE_ID;

    if (dwFlags & MCI_STATUS_ITEM) {
      switch (lpParms->dwItem) {
      case MCI_STATUS_CURRENT_TRACK:
          /* FIXME in Format 2 */
          lpParms->dwReturn = 1;
          TRACE("MCI_STATUS_CURRENT_TRACK => %lu\n", lpParms->dwReturn);
          break;
      case MCI_STATUS_LENGTH:
          if ((dwFlags & MCI_TRACK) && wmm->wFormat == 2) {
            if (lpParms->dwTrack >= wmm->nTracks)
                return MCIERR_BAD_INTEGER;
            /* FIXME: this is wrong if there is a tempo change inside the file */
            lpParms->dwReturn = MIDI_ConvertPulseToMS(wmm, wmm->tracks[lpParms->dwTrack].dwLength);
          } else {
            lpParms->dwReturn = MIDI_GetMThdLengthMS(wmm);
          }
          lpParms->dwReturn = MIDI_ConvertMSToTimeFormat(wmm, lpParms->dwReturn);
          TRACE("MCI_STATUS_LENGTH => %lu\n", lpParms->dwReturn);
          break;
      case MCI_STATUS_MODE:
          TRACE("MCI_STATUS_MODE => %u\n", wmm->dwStatus);
          lpParms->dwReturn = MAKEMCIRESOURCE(wmm->dwStatus, wmm->dwStatus);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_STATUS_MEDIA_PRESENT:
          TRACE("MCI_STATUS_MEDIA_PRESENT => TRUE\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_STATUS_NUMBER_OF_TRACKS:
          lpParms->dwReturn = (wmm->wFormat == 2) ? wmm->nTracks : 1;
          TRACE("MCI_STATUS_NUMBER_OF_TRACKS => %lu\n", lpParms->dwReturn);
          break;
      case MCI_STATUS_POSITION:
          /* FIXME: do I need to use MCI_TRACK ? */
          lpParms->dwReturn = MIDI_ConvertMSToTimeFormat(wmm,
                                             (dwFlags & MCI_STATUS_START) ? 0 : wmm->dwPositionMS);
          TRACE("MCI_STATUS_POSITION %s => %lu\n",
              (dwFlags & MCI_STATUS_START) ? "start" : "current", lpParms->dwReturn);
          break;
      case MCI_STATUS_READY:
          lpParms->dwReturn = (wmm->dwStatus == MCI_MODE_NOT_READY) ?
            MAKEMCIRESOURCE(FALSE, MCI_FALSE) : MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          TRACE("MCI_STATUS_READY = %u\n", LOWORD(lpParms->dwReturn));
          break;
      case MCI_STATUS_TIME_FORMAT:
          lpParms->dwReturn = MAKEMCIRESOURCE(wmm->dwMciTimeFormat, MCI_FORMAT_RETURN_BASE + wmm->dwMciTimeFormat);
          TRACE("MCI_STATUS_TIME_FORMAT => %u\n", LOWORD(lpParms->dwReturn));
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_SEQ_STATUS_DIVTYPE:
          TRACE("MCI_SEQ_STATUS_DIVTYPE !\n");
          if (wmm->nDivision > 0x8000) {
            switch (wmm->nDivision) {
            case 0xE8:  lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_24; break;      /* -24 */
            case 0xE7:  lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_25; break;      /* -25 */
            case 0xE3:  lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_30DROP;   break;      /* -29 */ /* is the MCI constant correct ? */
            case 0xE2:  lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_30; break;      /* -30 */
            default:    FIXME("There is a bad bad programmer\n");
            }
          } else {
            lpParms->dwReturn = MCI_SEQ_DIV_PPQN;
          }
          lpParms->dwReturn = MAKEMCIRESOURCE(lpParms->dwReturn,lpParms->dwReturn);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_SEQ_STATUS_MASTER:
          TRACE("MCI_SEQ_STATUS_MASTER !\n");
          lpParms->dwReturn = 0;
          break;
      case MCI_SEQ_STATUS_SLAVE:
          TRACE("MCI_SEQ_STATUS_SLAVE !\n");
          lpParms->dwReturn = 0;
          break;
      case MCI_SEQ_STATUS_OFFSET:
          TRACE("MCI_SEQ_STATUS_OFFSET !\n");
          lpParms->dwReturn = 0;
          break;
      case MCI_SEQ_STATUS_PORT:
          TRACE("MCI_SEQ_STATUS_PORT (%u)!\n", wmm->wDevID);
          lpParms->dwReturn = MIDI_MAPPER;
          break;
      case MCI_SEQ_STATUS_TEMPO:
          TRACE("MCI_SEQ_STATUS_TEMPO !\n");
          lpParms->dwReturn = wmm->dwTempo;
          break;
      default:
          FIXME("Unknowm command %08lX !\n", lpParms->dwItem);
          return MCIERR_UNRECOGNIZED_COMMAND;
      }
    } else {
      WARN("No Status-Item!\n");
      return MCIERR_UNRECOGNIZED_COMMAND;
    }
    if (dwFlags & MCI_NOTIFY) {
      TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
      mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                  wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
    }
    return ret;
}

/**************************************************************************
 *                      MIDI_mciGetDevCaps            [internal]
 */
static DWORD MIDI_mciGetDevCaps(UINT wDevID, DWORD dwFlags,
                        LPMCI_GETDEVCAPS_PARMS lpParms)
{
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);
    DWORD         ret;

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (lpParms == NULL)      return MCIERR_NULL_PARAMETER_BLOCK;
    if (wmm == NULL)          return MCIERR_INVALID_DEVICE_ID;

    if (dwFlags & MCI_GETDEVCAPS_ITEM) {
      switch (lpParms->dwItem) {
      case MCI_GETDEVCAPS_DEVICE_TYPE:
          TRACE("MCI_GETDEVCAPS_DEVICE_TYPE !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(MCI_DEVTYPE_SEQUENCER, MCI_DEVTYPE_SEQUENCER);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_HAS_AUDIO:
          TRACE("MCI_GETDEVCAPS_HAS_AUDIO !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_HAS_VIDEO:
          TRACE("MCI_GETDEVCAPS_HAS_VIDEO !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(FALSE, MCI_FALSE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_USES_FILES:
          TRACE("MCI_GETDEVCAPS_USES_FILES !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_COMPOUND_DEVICE:
          TRACE("MCI_GETDEVCAPS_COMPOUND_DEVICE !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_CAN_EJECT:
          TRACE("MCI_GETDEVCAPS_CAN_EJECT !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(FALSE, MCI_FALSE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_CAN_PLAY:
          TRACE("MCI_GETDEVCAPS_CAN_PLAY !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_CAN_RECORD:
          TRACE("MCI_GETDEVCAPS_CAN_RECORD !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      case MCI_GETDEVCAPS_CAN_SAVE:
          TRACE("MCI_GETDEVCAPS_CAN_SAVE !\n");
          lpParms->dwReturn = MAKEMCIRESOURCE(FALSE, MCI_FALSE);
          ret = MCI_RESOURCE_RETURNED;
          break;
      default:
          FIXME("Unknown capability (%08lx) !\n", lpParms->dwItem);
          return MCIERR_UNRECOGNIZED_COMMAND;
      }
    } else {
      WARN("No GetDevCaps-Item !\n");
      return MCIERR_UNRECOGNIZED_COMMAND;
    }
    return ret;
}

/**************************************************************************
 *                      MIDI_mciInfo                  [internal]
 */
static DWORD MIDI_mciInfo(UINT wDevID, DWORD dwFlags, LPMCI_INFO_PARMSW lpParms)
{
    LPCWSTR       str = 0;
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);
    DWORD         ret = 0;
    static const WCHAR wszMidiSeq[] = {'W','i','n','e','\'','s',' ','M','I','D','I',' ','s','e','q','u','e','n','c','e','r',0};

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (lpParms == NULL || lpParms->lpstrReturn == NULL)
      return MCIERR_NULL_PARAMETER_BLOCK;
    if (wmm == NULL) return MCIERR_INVALID_DEVICE_ID;

    TRACE("buf=%p, len=%lu\n", lpParms->lpstrReturn, lpParms->dwRetSize);

    switch (dwFlags & ~(MCI_WAIT|MCI_NOTIFY)) {
    case MCI_INFO_PRODUCT:      str = wszMidiSeq; break;
    case MCI_INFO_FILE:         str = wmm->lpstrElementName; break;
    case MCI_INFO_COPYRIGHT:    str = wmm->lpstrCopyright; break;
    case MCI_INFO_NAME:         str = wmm->lpstrName; break;
    default:
      WARN("Don't know this info command (%lu)\n", dwFlags);
      return MCIERR_UNRECOGNIZED_COMMAND;
    }
    if (str) {
      if (lpParms->dwRetSize <= strlenW(str)) {
          lstrcpynW(lpParms->lpstrReturn, str, lpParms->dwRetSize - 1);
          ret = MCIERR_PARAM_OVERFLOW;
      } else {
          strcpyW(lpParms->lpstrReturn, str);
      }
    } else {
      *lpParms->lpstrReturn = 0;
    }
    return ret;
}

/**************************************************************************
 *                      MIDI_mciSeek                  [internal]
 */
static DWORD MIDI_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms)
{
    DWORD         ret = 0;
    WINE_MCIMIDI* wmm = MIDI_mciGetOpenDev(wDevID);

    TRACE("(%04X, %08lX, %p);\n", wDevID, dwFlags, lpParms);

    if (lpParms == NULL) {
      ret = MCIERR_NULL_PARAMETER_BLOCK;
    } else if (wmm == NULL) {
      ret = MCIERR_INVALID_DEVICE_ID;
    } else {
      MIDI_mciStop(wDevID, MCI_WAIT, 0);

      if (dwFlags & MCI_SEEK_TO_START) {
          wmm->dwPositionMS = 0;
      } else if (dwFlags & MCI_SEEK_TO_END) {
          wmm->dwPositionMS = 0xFFFFFFFF; /* FIXME */
      } else if (dwFlags & MCI_TO) {
          wmm->dwPositionMS = MIDI_ConvertTimeFormatToMS(wmm, lpParms->dwTo);
      } else {
          WARN("dwFlag doesn't tell where to seek to...\n");
          return MCIERR_MISSING_PARAMETER;
      }

      TRACE("Seeking to position=%lu ms\n", wmm->dwPositionMS);

      if (dwFlags & MCI_NOTIFY) {
          TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
          mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
                      wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
      }
    }
    return ret;
}

/*======================================================================*
 *                          MIDI entry points                     *
 *======================================================================*/

/**************************************************************************
 *                      DriverProc (MCISEQ.@)
 */
LONG CALLBACK     MCIMIDI_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
                           DWORD dwParam1, DWORD dwParam2)
{
    switch (wMsg) {
    case DRV_LOAD:            return 1;
    case DRV_FREE:            return 1;
    case DRV_ENABLE:          return 1;
    case DRV_DISABLE:         return 1;
    case DRV_QUERYCONFIGURE:  return 1;
    case DRV_CONFIGURE:       MessageBoxA(0, "Sample Midi Driver !", "OSS Driver", MB_OK); return 1;
    case DRV_INSTALL:         return DRVCNF_RESTART;
    case DRV_REMOVE:          return DRVCNF_RESTART;
    case DRV_OPEN:            return MIDI_drvOpen((LPCWSTR)dwParam1, (LPMCI_OPEN_DRIVER_PARMSW)dwParam2);
    case DRV_CLOSE:           return MIDI_drvClose(dwDevID);
    }

    if (dwDevID == 0xFFFFFFFF) return MCIERR_UNSUPPORTED_FUNCTION;

    switch (wMsg) {
    case MCI_OPEN_DRIVER:     return MIDI_mciOpen      (dwDevID, dwParam1, (LPMCI_OPEN_PARMSW)     dwParam2);
    case MCI_CLOSE_DRIVER:    return MIDI_mciClose     (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
    case MCI_PLAY:            return MIDI_mciPlay      (dwDevID, dwParam1, (LPMCI_PLAY_PARMS)      dwParam2);
    case MCI_RECORD:          return MIDI_mciRecord    (dwDevID, dwParam1, (LPMCI_RECORD_PARMS)    dwParam2);
    case MCI_STOP:            return MIDI_mciStop      (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
    case MCI_SET:       return MIDI_mciSet       (dwDevID, dwParam1, (LPMCI_SET_PARMS)       dwParam2);
    case MCI_PAUSE:           return MIDI_mciPause     (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
    case MCI_RESUME:          return MIDI_mciResume    (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
    case MCI_STATUS:          return MIDI_mciStatus    (dwDevID, dwParam1, (LPMCI_STATUS_PARMS)    dwParam2);
    case MCI_GETDEVCAPS:      return MIDI_mciGetDevCaps(dwDevID, dwParam1, (LPMCI_GETDEVCAPS_PARMS)dwParam2);
    case MCI_INFO:            return MIDI_mciInfo      (dwDevID, dwParam1, (LPMCI_INFO_PARMSW)     dwParam2);
    case MCI_SEEK:            return MIDI_mciSeek      (dwDevID, dwParam1, (LPMCI_SEEK_PARMS)      dwParam2);
    /* commands that should be supported */
    case MCI_LOAD:
    case MCI_SAVE:
    case MCI_FREEZE:
    case MCI_PUT:
    case MCI_REALIZE:
    case MCI_UNFREEZE:
    case MCI_UPDATE:
    case MCI_WHERE:
    case MCI_STEP:
    case MCI_SPIN:
    case MCI_ESCAPE:
    case MCI_COPY:
    case MCI_CUT:
    case MCI_DELETE:
    case MCI_PASTE:
      WARN("Unsupported command [%lu]\n", wMsg);
      break;
    /* commands that should report an error */
    case MCI_WINDOW:
      TRACE("Unsupported command [%lu]\n", wMsg);
      break;
    case MCI_OPEN:
    case MCI_CLOSE:
      FIXME("Shouldn't receive a MCI_OPEN or CLOSE message\n");
      break;
    default:
      TRACE("Sending msg [%lu] to default driver proc\n", wMsg);
      return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
    }
    return MCIERR_UNRECOGNIZED_COMMAND;
}

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