dlls/winealsa.drv/midi.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * Sample MIDI Wine Driver for ALSA (basically Linux)
   5  *
   6  * Copyright 1994       Martin Ayotte
   7  * Copyright 1998       Luiz Otavio L. Zorzella (init procedures)
   8  * Copyright 1998/1999  Eric POUECH :
   9  *              98/7    changes for making this MIDI driver work on OSS
  10  *                      current support is limited to MIDI ports of OSS systems
  11  *              98/9    rewriting MCI code for MIDI
  12  *              98/11   splitted in midi.c and mcimidi.c
  13  * Copyright 2003      Christian Costa :
  14  *                     ALSA port
  15  *
  16  * This library is free software; you can redistribute it and/or
  17  * modify it under the terms of the GNU Lesser General Public
  18  * License as published by the Free Software Foundation; either
  19  * version 2.1 of the License, or (at your option) any later version.
  20  *
  21  * This library is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  24  * Lesser General Public License for more details.
  25  *
  26  * You should have received a copy of the GNU Lesser General Public
  27  * License along with this library; if not, write to the Free Software
  28  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  29  *
  30  * TODO: Finish midi record
  31  *
  32  */
  33
  34 #include "config.h"
  35
  36 #include <string.h>
  37 #include <stdarg.h>
  38 #include <stdio.h>
  39 #ifdef HAVE_UNISTD_H
  40 # include <unistd.h>
  41 #endif
  42 #include <fcntl.h>
  43 #include <errno.h>
  44
  45 #include "windef.h"
  46 #include "winbase.h"
  47 #include "wingdi.h"
  48 #include "winuser.h"
  49 #include "winnls.h"
  50 #include "mmddk.h"
  51 #include "alsa.h"
  52 #include "wine/debug.h"
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(midi);
  55
  56 #ifdef HAVE_ALSA
  57
  58 typedef struct {
  59     int                 state;                  /* -1 disabled, 0 is no recording started, 1 in recording, bit 2 set if in sys exclusive recording */
  60     DWORD               bufsize;
  61     MIDIOPENDESC        midiDesc;
  62     WORD                wFlags;
  63     LPMIDIHDR           lpQueueHdr;
  64     DWORD               dwTotalPlayed;
  65     unsigned char       incoming[3];
  66     unsigned char       incPrev;
  67     char                incLen;
  68     DWORD               startTime;
  69     MIDIINCAPSW         caps;
  70     snd_seq_addr_t      addr;
  71 } WINE_MIDIIN;
  72
  73 typedef struct {
  74     BOOL                bEnabled;
  75     DWORD               bufsize;
  76     MIDIOPENDESC        midiDesc;
  77     WORD                wFlags;
  78     LPMIDIHDR           lpQueueHdr;
  79     DWORD               dwTotalPlayed;
  80     void*               lpExtra;                /* according to port type (MIDI, FM...), extra data when needed */
  81     MIDIOUTCAPSW        caps;
  82     snd_seq_addr_t      addr;
  83 } WINE_MIDIOUT;
  84
  85 static WINE_MIDIIN      MidiInDev [MAX_MIDIINDRV ];
  86 static WINE_MIDIOUT     MidiOutDev[MAX_MIDIOUTDRV];
  87
  88 /* this is the total number of MIDI out devices found (synth and port) */
  89 static  int             MODM_NumDevs = 0;
  90 /* this is the total number of MIDI out devices found */
  91 static  int             MIDM_NumDevs = 0;
  92
  93 static  snd_seq_t*      midiSeq = NULL;
  94 static  int             numOpenMidiSeq = 0;
  95 static  int             numStartedMidiIn = 0;
  96
  97 static int port_in;
  98 static int port_out;
  99
 100 static CRITICAL_SECTION crit_sect;   /* protects all MidiIn buffer queues */
 101 static CRITICAL_SECTION_DEBUG critsect_debug =
 102 {
 103     0, 0, &crit_sect,
 104     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
 105       0, 0, { (DWORD_PTR)(__FILE__ ": crit_sect") }
 106 };
 107 static CRITICAL_SECTION crit_sect = { &critsect_debug, -1, 0, 0, 0, 0 };
 108
 109 static int end_thread;
 110 static HANDLE hThread;
 111
 112 /*======================================================================*
 113  *                  Low level MIDI implementation                       *
 114  *======================================================================*/
 115
 116 static int midiOpenSeq(int);
 117 static int midiCloseSeq(void);
 118
 119 #if 0 /* Debug Purpose */
 120 static void error_handler(const char* file, int line, const char* function, int err, const char* fmt, ...)
 121 {
 122     va_list arg;
 123     if (err == ENOENT)
 124         return;
 125     va_start(arg, fmt);
 126     fprintf(stderr, "ALSA lib %s:%i:(%s) ", file, line, function);
 127     vfprintf(stderr, fmt, arg);
 128     if (err)
 129         fprintf(stderr, ": %s", snd_strerror(err));
 130     putc('\n', stderr);
 131     va_end(arg);
 132 }
 133 #endif
 134
 135 /**************************************************************************
 136  *                      MIDI_unixToWindowsDeviceType            [internal]
 137  *
 138  * return the Windows equivalent to a Unix Device Type
 139  *
 140  */
 141 static  int     MIDI_AlsaToWindowsDeviceType(int type)
 142 {
 143     /* MOD_MIDIPORT     output port
 144      * MOD_SYNTH        generic internal synth
 145      * MOD_SQSYNTH      square wave internal synth
 146      * MOD_FMSYNTH      FM internal synth
 147      * MOD_MAPPER       MIDI mapper
 148      * MOD_WAVETABLE    hardware watetable internal synth
 149      * MOD_SWSYNTH      software internal synth
 150      */
 151
 152     /* FIXME Is this really the correct equivalence from ALSA to
 153        Windows Sound type */
 154
 155     if (type & SND_SEQ_PORT_TYPE_SYNTH)
 156         return MOD_FMSYNTH;
 157
 158     if (type & (SND_SEQ_PORT_TYPE_DIRECT_SAMPLE|SND_SEQ_PORT_TYPE_SAMPLE))
 159         return MOD_SYNTH;
 160
 161     if (type & (SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION))
 162         return MOD_MIDIPORT;
 163
 164     ERR("Cannot determine the type (alsa type is %x) of this midi device. Assuming FM Synth\n", type);
 165     return MOD_FMSYNTH;
 166 }
 167
 168 /**************************************************************************
 169  *                      MIDI_NotifyClient                       [internal]
 170  */
 171 static DWORD MIDI_NotifyClient(UINT wDevID, WORD wMsg,
 172                                DWORD dwParam1, DWORD dwParam2)
 173 {
 174     DWORD               dwCallBack;
 175     UINT                uFlags;
 176     HANDLE              hDev;
 177     DWORD               dwInstance;
 178
 179     TRACE("wDevID = %04X wMsg = %d dwParm1 = %04X dwParam2 = %04X\n",
 180           wDevID, wMsg, dwParam1, dwParam2);
 181
 182     switch (wMsg) {
 183     case MOM_OPEN:
 184     case MOM_CLOSE:
 185     case MOM_DONE:
 186     case MOM_POSITIONCB:
 187         if (wDevID > MODM_NumDevs)
 188             return MMSYSERR_BADDEVICEID;
 189
 190         dwCallBack = MidiOutDev[wDevID].midiDesc.dwCallback;
 191         uFlags = MidiOutDev[wDevID].wFlags;
 192         hDev = MidiOutDev[wDevID].midiDesc.hMidi;
 193         dwInstance = MidiOutDev[wDevID].midiDesc.dwInstance;
 194         break;
 195
 196     case MIM_OPEN:
 197     case MIM_CLOSE:
 198     case MIM_DATA:
 199     case MIM_LONGDATA:
 200     case MIM_ERROR:
 201     case MIM_LONGERROR:
 202     case MIM_MOREDATA:
 203         if (wDevID > MIDM_NumDevs)
 204             return MMSYSERR_BADDEVICEID;
 205
 206         dwCallBack = MidiInDev[wDevID].midiDesc.dwCallback;
 207         uFlags = MidiInDev[wDevID].wFlags;
 208         hDev = MidiInDev[wDevID].midiDesc.hMidi;
 209         dwInstance = MidiInDev[wDevID].midiDesc.dwInstance;
 210         break;
 211     default:
 212         WARN("Unsupported MSW-MIDI message %u\n", wMsg);
 213         return MMSYSERR_ERROR;
 214     }
 215
 216     return DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2) ?
 217         0 : MMSYSERR_ERROR;
 218 }
 219
 220 static int midi_warn = 1;
 221 /**************************************************************************
 222  *                      midiOpenSeq                             [internal]
 223  */
 224 static int midiOpenSeq(int create_client)
 225 {
 226     if (numOpenMidiSeq == 0) {
 227         if (snd_seq_open(&midiSeq, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0)
 228         {
 229             if (midi_warn)
 230             {
 231                 WARN("Error opening ALSA sequencer.\n");
 232             }
 233             midi_warn = 0;
 234             return -1;
 235         }
 236
 237         if (create_client) {
 238             /* Setting the client name is the only init to do */
 239             snd_seq_set_client_name(midiSeq, "WINE midi driver");
 240
 241 #if 0 /* FIXME: Is it possible to use a port for READ & WRITE ops */
 242             port_in = port_out = snd_seq_create_simple_port(midiSeq, "WINE ALSA Input/Output", SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_WRITE,
 243                                                                          SND_SEQ_PORT_TYPE_APPLICATION);
 244             if (port_out < 0)
 245                TRACE("Unable to create output port\n");
 246             else
 247                TRACE("Outport port created successfully (%d)\n", port_out);
 248 #else
 249             port_out = snd_seq_create_simple_port(midiSeq, "WINE ALSA Output", SND_SEQ_PORT_CAP_READ,
 250                                                                                  SND_SEQ_PORT_TYPE_APPLICATION);
 251             if (port_out < 0)
 252                 TRACE("Unable to create output port\n");
 253             else
 254                 TRACE("Outport port created successfully (%d)\n", port_out);
 255
 256             port_in = snd_seq_create_simple_port(midiSeq, "WINE ALSA Input", SND_SEQ_PORT_CAP_WRITE,
 257                                                                        SND_SEQ_PORT_TYPE_APPLICATION);
 258             if (port_in < 0)
 259                 TRACE("Unable to create input port\n");
 260             else
 261                 TRACE("Input port created successfully (%d)\n", port_in);
 262 #endif
 263        }
 264     }
 265     numOpenMidiSeq++;
 266     return 0;
 267 }
 268
 269 /**************************************************************************
 270  *                      midiCloseSeq                            [internal]
 271  */
 272 static int midiCloseSeq(void)
 273 {
 274     if (--numOpenMidiSeq == 0) {
 275         snd_seq_delete_simple_port(midiSeq, port_out);
 276         snd_seq_delete_simple_port(midiSeq, port_in);
 277         snd_seq_close(midiSeq);
 278         midiSeq = NULL;
 279     }
 280     return 0;
 281 }
 282
 283 static DWORD WINAPI midRecThread(LPVOID arg)
 284 {
 285     int npfd;
 286     struct pollfd *pfd;
 287
 288     TRACE("Thread startup\n");
 289
 290     while(!end_thread) {
 291         TRACE("Thread loop\n");
 292         npfd = snd_seq_poll_descriptors_count(midiSeq, POLLIN);
 293         pfd = HeapAlloc(GetProcessHeap(), 0, npfd * sizeof(struct pollfd));
 294         snd_seq_poll_descriptors(midiSeq, pfd, npfd, POLLIN);
 295
 296         /* Check if an event is present */
 297         if (poll(pfd, npfd, 250) < 0) {
 298             HeapFree(GetProcessHeap(), 0, pfd);
 299             continue;
 300         }
 301
 302         /* Note: This definitely does not work.
 303          * while(snd_seq_event_input_pending(midiSeq, 0) > 0) {
 304                snd_seq_event_t* ev;
 305                snd_seq_event_input(midiSeq, &ev);
 306                ....................
 307                snd_seq_free_event(ev);
 308            }*/
 309
 310         do {
 311             WORD wDevID;
 312             snd_seq_event_t* ev;
 313             snd_seq_event_input(midiSeq, &ev);
 314             /* Find the target device */
 315             for (wDevID = 0; wDevID < MIDM_NumDevs; wDevID++)
 316                 if ( (ev->source.client == MidiInDev[wDevID].addr.client) && (ev->source.port == MidiInDev[wDevID].addr.port) )
 317                     break;
 318             if ((wDevID == MIDM_NumDevs) || (MidiInDev[wDevID].state != 1))
 319                 FIXME("Unexpected event received, type = %x from %d:%d\n", ev->type, ev->source.client, ev->source.port);
 320             else {
 321                 DWORD dwTime, toSend = 0;
 322                 /* FIXME: Should use ev->time instead for better accuracy */
 323                 dwTime = GetTickCount() - MidiInDev[wDevID].startTime;
 324                 TRACE("Event received, type = %x, device = %d\n", ev->type, wDevID);
 325                 switch(ev->type)
 326                 {
 327                 case SND_SEQ_EVENT_NOTEOFF:
 328                     toSend = (ev->data.note.velocity << 16) | (ev->data.note.note << 8) | MIDI_CMD_NOTE_OFF | ev->data.control.channel;
 329                     break;
 330                 case SND_SEQ_EVENT_NOTEON:
 331                     toSend = (ev->data.note.velocity << 16) | (ev->data.note.note << 8) | MIDI_CMD_NOTE_ON | ev->data.control.channel;
 332                     break;
 333                 case SND_SEQ_EVENT_KEYPRESS:
 334                     toSend = (ev->data.note.velocity << 16) | (ev->data.note.note << 8) | MIDI_CMD_NOTE_PRESSURE | ev->data.control.channel;
 335                     break;
 336                 case SND_SEQ_EVENT_CONTROLLER:
 337                     toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_CONTROL | ev->data.control.channel;
 338                     break;
 339                 case SND_SEQ_EVENT_PITCHBEND:
 340                     toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_BENDER | ev->data.control.channel;
 341                     break;
 342                 case SND_SEQ_EVENT_PGMCHANGE:
 343                     toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_PGM_CHANGE | ev->data.control.channel;
 344                     break;
 345                 case SND_SEQ_EVENT_CHANPRESS:
 346                     toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_CHANNEL_PRESSURE | ev->data.control.channel;
 347                     break;
 348                 case SND_SEQ_EVENT_SYSEX:
 349                     {
 350                         int len = ev->data.ext.len;
 351                         LPBYTE ptr = (BYTE*) ev->data.ext.ptr;
 352                         LPMIDIHDR lpMidiHdr;
 353
 354                         /* FIXME: Should handle sysex greater that a single buffer */
 355                         EnterCriticalSection(&crit_sect);
 356                         if ((lpMidiHdr = MidiInDev[wDevID].lpQueueHdr) != NULL) {
 357                             if (len <= lpMidiHdr->dwBufferLength) {
 358                                 lpMidiHdr->dwBytesRecorded = len;
 359                                 memcpy(lpMidiHdr->lpData, ptr, len);
 360                                 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 361                                 lpMidiHdr->dwFlags |= MHDR_DONE;
 362                                 MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)lpMidiHdr->lpNext;
 363                                 if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime) != MMSYSERR_NOERROR)
 364                                     WARN("Couldn't notify client\n");
 365                             } else
 366                                 FIXME("No enough space in the buffer to store sysex!\n");
 367                         } else
 368                             FIXME("Sysex received but no buffer to store it!\n");
 369                         LeaveCriticalSection(&crit_sect);
 370                     }
 371                     break;
 372                 case SND_SEQ_EVENT_SENSING:
 373                     /* Noting to do */
 374                     break;
 375                 default:
 376                     FIXME("Unhandled event received, type = %x\n", ev->type);
 377                     break;
 378                 }
 379                 if (toSend != 0) {
 380                     TRACE("Sending event %08x (from %d %d)\n", toSend, ev->source.client, ev->source.port);
 381                     if (MIDI_NotifyClient(wDevID, MIM_DATA, toSend, dwTime) != MMSYSERR_NOERROR) {
 382                         WARN("Couldn't notify client\n");
 383                     }
 384                 }
 385             }
 386             snd_seq_free_event(ev);
 387         } while(snd_seq_event_input_pending(midiSeq, 0) > 0);
 388
 389         HeapFree(GetProcessHeap(), 0, pfd);
 390     }
 391     return 0;
 392 }
 393
 394 /**************************************************************************
 395  *                              midGetDevCaps                   [internal]
 396  */
 397 static DWORD midGetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize)
 398 {
 399     TRACE("(%04X, %p, %08X);\n", wDevID, lpCaps, dwSize);
 400
 401     if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
 402     if (lpCaps == NULL)         return MMSYSERR_INVALPARAM;
 403
 404     memcpy(lpCaps, &MidiInDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 405
 406     return MMSYSERR_NOERROR;
 407 }
 408
 409
 410 /**************************************************************************
 411  *                      midOpen                                 [internal]
 412  */
 413 static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 414 {
 415     TRACE("(%04X, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 416
 417     if (lpDesc == NULL) {
 418         WARN("Invalid Parameter !\n");
 419         return MMSYSERR_INVALPARAM;
 420     }
 421
 422     /* FIXME :
 423      *  how to check that content of lpDesc is correct ?
 424      */
 425     if (wDevID >= MIDM_NumDevs) {
 426         WARN("wDevID too large (%u) !\n", wDevID);
 427         return MMSYSERR_BADDEVICEID;
 428     }
 429     if (MidiInDev[wDevID].state == -1) {
 430         WARN("device disabled\n");
 431         return MIDIERR_NODEVICE;
 432     }
 433     if (MidiInDev[wDevID].midiDesc.hMidi != 0) {
 434         WARN("device already open !\n");
 435         return MMSYSERR_ALLOCATED;
 436     }
 437     if ((dwFlags & MIDI_IO_STATUS) != 0) {
 438         WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
 439         dwFlags &= ~MIDI_IO_STATUS;
 440     }
 441     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
 442         FIXME("Bad dwFlags\n");
 443         return MMSYSERR_INVALFLAG;
 444     }
 445
 446     if (midiOpenSeq(1) < 0) {
 447         return MMSYSERR_ERROR;
 448     }
 449
 450     /* Connect our app port to the device port */
 451     if (snd_seq_connect_from(midiSeq, port_in, MidiInDev[wDevID].addr.client, MidiInDev[wDevID].addr.port) < 0)
 452         return MMSYSERR_NOTENABLED;
 453
 454     TRACE("input port connected %d %d %d\n",port_in,MidiInDev[wDevID].addr.client,MidiInDev[wDevID].addr.port);
 455
 456     if (numStartedMidiIn++ == 0) {
 457         end_thread = 0;
 458         hThread = CreateThread(NULL, 0, midRecThread, NULL, 0, NULL);
 459         if (!hThread) {
 460             numStartedMidiIn = 0;
 461             WARN("Couldn't create thread for midi-in\n");
 462             midiCloseSeq();
 463             return MMSYSERR_ERROR;
 464         }
 465         SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
 466         TRACE("Created thread for midi-in\n");
 467     }
 468
 469     MidiInDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 470
 471     MidiInDev[wDevID].lpQueueHdr = NULL;
 472     MidiInDev[wDevID].dwTotalPlayed = 0;
 473     MidiInDev[wDevID].bufsize = 0x3FFF;
 474     MidiInDev[wDevID].midiDesc = *lpDesc;
 475     MidiInDev[wDevID].state = 0;
 476     MidiInDev[wDevID].incLen = 0;
 477     MidiInDev[wDevID].startTime = 0;
 478
 479     if (MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) {
 480         WARN("can't notify client !\n");
 481         return MMSYSERR_INVALPARAM;
 482     }
 483     return MMSYSERR_NOERROR;
 484 }
 485
 486 /**************************************************************************
 487  *                      midClose                                [internal]
 488  */
 489 static DWORD midClose(WORD wDevID)
 490 {
 491     int         ret = MMSYSERR_NOERROR;
 492
 493     TRACE("(%04X);\n", wDevID);
 494
 495     if (wDevID >= MIDM_NumDevs) {
 496         WARN("wDevID too big (%u) !\n", wDevID);
 497         return MMSYSERR_BADDEVICEID;
 498     }
 499     if (MidiInDev[wDevID].midiDesc.hMidi == 0) {
 500         WARN("device not opened !\n");
 501         return MMSYSERR_ERROR;
 502     }
 503     if (MidiInDev[wDevID].lpQueueHdr != 0) {
 504         return MIDIERR_STILLPLAYING;
 505     }
 506
 507     if (midiSeq == NULL) {
 508         WARN("ooops !\n");
 509         return MMSYSERR_ERROR;
 510     }
 511     if (--numStartedMidiIn == 0) {
 512         TRACE("Stopping thread for midi-in\n");
 513         end_thread = 1;
 514         if (WaitForSingleObject(hThread, 5000) != WAIT_OBJECT_0) {
 515             WARN("Thread end not signaled, force termination\n");
 516             TerminateThread(hThread, 0);
 517         }
 518         TRACE("Stopped thread for midi-in\n");
 519     }
 520
 521     snd_seq_disconnect_from(midiSeq, port_in, MidiInDev[wDevID].addr.client, MidiInDev[wDevID].addr.port);
 522     midiCloseSeq();
 523
 524     MidiInDev[wDevID].bufsize = 0;
 525     if (MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) {
 526         WARN("can't notify client !\n");
 527         ret = MMSYSERR_INVALPARAM;
 528     }
 529     MidiInDev[wDevID].midiDesc.hMidi = 0;
 530
 531     return ret;
 532 }
 533
 534
 535 /**************************************************************************
 536  *                              midAddBuffer                    [internal]
 537  */
 538 static DWORD midAddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 539 {
 540     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
 541
 542     if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
 543     if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
 544
 545     if (lpMidiHdr == NULL)      return MMSYSERR_INVALPARAM;
 546     if (sizeof(MIDIHDR) > dwSize) return MMSYSERR_INVALPARAM;
 547     if (lpMidiHdr->dwBufferLength == 0) return MMSYSERR_INVALPARAM;
 548     if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
 549     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
 550
 551     EnterCriticalSection(&crit_sect);
 552     if (MidiInDev[wDevID].lpQueueHdr == 0) {
 553         MidiInDev[wDevID].lpQueueHdr = lpMidiHdr;
 554     } else {
 555         LPMIDIHDR       ptr;
 556
 557         for (ptr = MidiInDev[wDevID].lpQueueHdr;
 558              ptr->lpNext != 0;
 559              ptr = (LPMIDIHDR)ptr->lpNext);
 560         ptr->lpNext = (struct midihdr_tag*)lpMidiHdr;
 561     }
 562     LeaveCriticalSection(&crit_sect);
 563
 564     return MMSYSERR_NOERROR;
 565 }
 566
 567 /**************************************************************************
 568  *                              midPrepare                      [internal]
 569  */
 570 static DWORD midPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 571 {
 572     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
 573
 574     if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
 575         lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
 576         lpMidiHdr->dwBufferLength >= 0x10000ul)
 577         return MMSYSERR_INVALPARAM;
 578
 579     lpMidiHdr->lpNext = 0;
 580     lpMidiHdr->dwFlags |= MHDR_PREPARED;
 581     lpMidiHdr->dwBytesRecorded = 0;
 582
 583     return MMSYSERR_NOERROR;
 584 }
 585
 586 /**************************************************************************
 587  *                              midUnprepare                    [internal]
 588  */
 589 static DWORD midUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 590 {
 591     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
 592
 593     if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
 594     if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
 595
 596     if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
 597         lpMidiHdr->lpData == 0 || lpMidiHdr->dwBufferLength >= 0x10000ul)
 598         return MMSYSERR_INVALPARAM;
 599
 600     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
 601     if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
 602
 603     lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
 604
 605     return MMSYSERR_NOERROR;
 606 }
 607
 608 /**************************************************************************
 609  *                      midReset                                [internal]
 610  */
 611 static DWORD midReset(WORD wDevID)
 612 {
 613     DWORD               dwTime = GetTickCount();
 614
 615     TRACE("(%04X);\n", wDevID);
 616
 617     if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
 618     if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
 619
 620     EnterCriticalSection(&crit_sect);
 621     while (MidiInDev[wDevID].lpQueueHdr) {
 622         MidiInDev[wDevID].lpQueueHdr->dwFlags &= ~MHDR_INQUEUE;
 623         MidiInDev[wDevID].lpQueueHdr->dwFlags |= MHDR_DONE;
 624         /* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */
 625         if (MIDI_NotifyClient(wDevID, MIM_LONGDATA,
 626                               (DWORD)MidiInDev[wDevID].lpQueueHdr, dwTime) != MMSYSERR_NOERROR) {
 627             WARN("Couldn't notify client\n");
 628         }
 629         MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)MidiInDev[wDevID].lpQueueHdr->lpNext;
 630     }
 631     LeaveCriticalSection(&crit_sect);
 632
 633     return MMSYSERR_NOERROR;
 634 }
 635
 636 /**************************************************************************
 637  *                      midStart                                [internal]
 638  */
 639 static DWORD midStart(WORD wDevID)
 640 {
 641     TRACE("(%04X);\n", wDevID);
 642
 643     if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
 644     if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
 645
 646     MidiInDev[wDevID].state = 1;
 647     MidiInDev[wDevID].startTime = GetTickCount();
 648     return MMSYSERR_NOERROR;
 649 }
 650
 651 /**************************************************************************
 652  *                      midStop                                 [internal]
 653  */
 654 static DWORD midStop(WORD wDevID)
 655 {
 656     TRACE("(%04X);\n", wDevID);
 657
 658     if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
 659     if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
 660
 661     MidiInDev[wDevID].state = 0;
 662     return MMSYSERR_NOERROR;
 663 }
 664
 665 /**************************************************************************
 666  *                              modGetDevCaps                   [internal]
 667  */
 668 static DWORD modGetDevCaps(WORD wDevID, LPMIDIOUTCAPSW lpCaps, DWORD dwSize)
 669 {
 670     TRACE("(%04X, %p, %08X);\n", wDevID, lpCaps, dwSize);
 671
 672     if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
 673     if (lpCaps == NULL)         return MMSYSERR_INVALPARAM;
 674
 675     memcpy(lpCaps, &MidiOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 676
 677     return MMSYSERR_NOERROR;
 678 }
 679
 680 /**************************************************************************
 681  *                      modOpen                                 [internal]
 682  */
 683 static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 684 {
 685     TRACE("(%04X, %p, %08X);\n", wDevID, lpDesc, dwFlags);
 686     if (lpDesc == NULL) {
 687         WARN("Invalid Parameter !\n");
 688         return MMSYSERR_INVALPARAM;
 689     }
 690     if (wDevID >= MODM_NumDevs) {
 691         TRACE("MAX_MIDIOUTDRV reached !\n");
 692         return MMSYSERR_BADDEVICEID;
 693     }
 694     if (MidiOutDev[wDevID].midiDesc.hMidi != 0) {
 695         WARN("device already open !\n");
 696         return MMSYSERR_ALLOCATED;
 697     }
 698     if (!MidiOutDev[wDevID].bEnabled) {
 699         WARN("device disabled !\n");
 700         return MIDIERR_NODEVICE;
 701     }
 702     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
 703         WARN("bad dwFlags\n");
 704         return MMSYSERR_INVALFLAG;
 705     }
 706     if (!MidiOutDev[wDevID].bEnabled) {
 707         TRACE("disabled wDevID\n");
 708         return MMSYSERR_NOTENABLED;
 709     }
 710
 711     MidiOutDev[wDevID].lpExtra = 0;
 712
 713     switch (MidiOutDev[wDevID].caps.wTechnology) {
 714     case MOD_FMSYNTH:
 715     case MOD_MIDIPORT:
 716     case MOD_SYNTH:
 717         if (midiOpenSeq(1) < 0) {
 718             return MMSYSERR_ALLOCATED;
 719         }
 720         break;
 721     default:
 722         WARN("Technology not supported (yet) %d !\n",
 723              MidiOutDev[wDevID].caps.wTechnology);
 724         return MMSYSERR_NOTENABLED;
 725     }
 726
 727     MidiOutDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 728
 729     MidiOutDev[wDevID].lpQueueHdr = NULL;
 730     MidiOutDev[wDevID].dwTotalPlayed = 0;
 731     MidiOutDev[wDevID].bufsize = 0x3FFF;
 732     MidiOutDev[wDevID].midiDesc = *lpDesc;
 733
 734     /* Connect our app port to the device port */
 735     if (snd_seq_connect_to(midiSeq, port_out, MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port) < 0)
 736         return MMSYSERR_NOTENABLED;
 737
 738     if (MIDI_NotifyClient(wDevID, MOM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) {
 739         WARN("can't notify client !\n");
 740         return MMSYSERR_INVALPARAM;
 741     }
 742     TRACE("Successful !\n");
 743     return MMSYSERR_NOERROR;
 744 }
 745
 746
 747 /**************************************************************************
 748  *                      modClose                                [internal]
 749  */
 750 static DWORD modClose(WORD wDevID)
 751 {
 752     int ret = MMSYSERR_NOERROR;
 753
 754     TRACE("(%04X);\n", wDevID);
 755
 756     if (MidiOutDev[wDevID].midiDesc.hMidi == 0) {
 757         WARN("device not opened !\n");
 758         return MMSYSERR_ERROR;
 759     }
 760     /* FIXME: should test that no pending buffer is still in the queue for
 761      * playing */
 762
 763     if (midiSeq == NULL) {
 764         WARN("can't close !\n");
 765         return MMSYSERR_ERROR;
 766     }
 767
 768     switch (MidiOutDev[wDevID].caps.wTechnology) {
 769     case MOD_FMSYNTH:
 770     case MOD_MIDIPORT:
 771     case MOD_SYNTH:
 772         snd_seq_disconnect_to(midiSeq, port_out, MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
 773         midiCloseSeq();
 774         break;
 775     default:
 776         WARN("Technology not supported (yet) %d !\n",
 777              MidiOutDev[wDevID].caps.wTechnology);
 778         return MMSYSERR_NOTENABLED;
 779     }
 780
 781     HeapFree(GetProcessHeap(), 0, MidiOutDev[wDevID].lpExtra);
 782     MidiOutDev[wDevID].lpExtra = 0;
 783
 784     MidiOutDev[wDevID].bufsize = 0;
 785     if (MIDI_NotifyClient(wDevID, MOM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) {
 786         WARN("can't notify client !\n");
 787         ret = MMSYSERR_INVALPARAM;
 788     }
 789     MidiOutDev[wDevID].midiDesc.hMidi = 0;
 790     return ret;
 791 }
 792
 793 /**************************************************************************
 794  *                      modData                                 [internal]
 795  */
 796 static DWORD modData(WORD wDevID, DWORD dwParam)
 797 {
 798     BYTE        evt = LOBYTE(LOWORD(dwParam));
 799     BYTE        d1  = HIBYTE(LOWORD(dwParam));
 800     BYTE        d2  = LOBYTE(HIWORD(dwParam));
 801
 802     TRACE("(%04X, %08X);\n", wDevID, dwParam);
 803
 804     if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
 805     if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
 806
 807     if (midiSeq == NULL) {
 808         WARN("can't play !\n");
 809         return MIDIERR_NODEVICE;
 810     }
 811     switch (MidiOutDev[wDevID].caps.wTechnology) {
 812     case MOD_SYNTH:
 813     case MOD_MIDIPORT:
 814         {
 815             int handled = 1; /* Assume event is handled */
 816             snd_seq_event_t event;
 817             snd_seq_ev_clear(&event);
 818             snd_seq_ev_set_direct(&event);
 819             snd_seq_ev_set_source(&event, port_out);
 820             snd_seq_ev_set_dest(&event, MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
 821
 822             switch (evt & 0xF0) {
 823             case MIDI_CMD_NOTE_OFF:
 824                 snd_seq_ev_set_noteoff(&event, evt&0x0F, d1, d2);
 825                 break;
 826             case MIDI_CMD_NOTE_ON:
 827                 snd_seq_ev_set_noteon(&event, evt&0x0F, d1, d2);
 828                 break;
 829             case MIDI_CMD_NOTE_PRESSURE:
 830                 snd_seq_ev_set_keypress(&event, evt&0x0F, d1, d2);
 831                 break;
 832             case MIDI_CMD_CONTROL:
 833                 snd_seq_ev_set_controller(&event, evt&0x0F, d1, d2);
 834                 break;
 835             case MIDI_CMD_BENDER:
 836                 snd_seq_ev_set_pitchbend(&event, evt&0x0F, ((WORD)d2 << 7 | (WORD)d1) - 0x2000);
 837                 break;
 838             case MIDI_CMD_PGM_CHANGE:
 839                 snd_seq_ev_set_pgmchange(&event, evt&0x0F, d1);
 840                 break;
 841             case MIDI_CMD_CHANNEL_PRESSURE:
 842                 snd_seq_ev_set_chanpress(&event, evt&0x0F, d1);
 843                 break;
 844             case MIDI_CMD_COMMON_SYSEX:
 845                 switch (evt & 0x0F) {
 846                 case 0x00:      /* System Exclusive, don't do it on modData,
 847                                  * should require modLongData*/
 848                 case 0x01:      /* Undefined */
 849                 case 0x04:      /* Undefined. */
 850                 case 0x05:      /* Undefined. */
 851                 case 0x07:      /* End of Exclusive. */
 852                 case 0x09:      /* Undefined. */
 853                 case 0x0D:      /* Undefined. */
 854                     handled = 0;
 855                     break;
 856                 case 0x06:      /* Tune Request */
 857                 case 0x08:      /* Timing Clock. */
 858                 case 0x0A:      /* Start. */
 859                 case 0x0B:      /* Continue */
 860                 case 0x0C:      /* Stop */
 861                 case 0x0E:      /* Active Sensing. */
 862                     /* FIXME: Is this function suitable for these purposes
 863                        (and also Song Select and Song Position Pointer) */
 864                     snd_seq_ev_set_sysex(&event, 1, &evt);
 865                     break;
 866                 case 0x0F:      /* Reset */
 867                                 /* snd_seq_ev_set_sysex(&event, 1, &evt);
 868                                    this other way may be better */
 869                     {
 870                         BYTE reset_sysex_seq[] = {MIDI_CMD_COMMON_SYSEX, 0x7e, 0x7f, 0x09, 0x01, 0xf7};
 871                         snd_seq_ev_set_sysex(&event, sizeof(reset_sysex_seq), reset_sysex_seq);
 872                     }
 873                     break;
 874                 case 0x03:      /* Song Select. */
 875                     {
 876                         BYTE buf[2];
 877                         buf[0] = evt;
 878                         buf[1] = d1;
 879                         snd_seq_ev_set_sysex(&event, sizeof(buf), buf);
 880                     }
 881                     break;
 882                 case 0x02:      /* Song Position Pointer. */
 883                     {
 884                         BYTE buf[3];
 885                         buf[0] = evt;
 886                         buf[1] = d1;
 887                         buf[2] = d2;
 888                         snd_seq_ev_set_sysex(&event, sizeof(buf), buf);
 889                     }
 890                     break;
 891                 }
 892                 break;
 893             }
 894             if (handled)
 895                 snd_seq_event_output_direct(midiSeq, &event);
 896         }
 897         break;
 898     default:
 899         WARN("Technology not supported (yet) %d !\n",
 900              MidiOutDev[wDevID].caps.wTechnology);
 901         return MMSYSERR_NOTENABLED;
 902     }
 903
 904     return MMSYSERR_NOERROR;
 905 }
 906
 907 /**************************************************************************
 908  *              modLongData                                     [internal]
 909  */
 910 static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 911 {
 912     int         len_add = 0;
 913     LPBYTE      lpData, lpNewData = NULL;
 914     snd_seq_event_t event;
 915
 916     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
 917
 918     /* Note: MS doc does not say much about the dwBytesRecorded member of the MIDIHDR structure
 919      * but it seems to be used only for midi input.
 920      * Taking a look at the WAVEHDR structure (which is quite similar) confirms this assumption.
 921      */
 922
 923     if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
 924     if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
 925
 926     if (midiSeq == NULL) {
 927         WARN("can't play !\n");
 928         return MIDIERR_NODEVICE;
 929     }
 930
 931     lpData = (LPBYTE) lpMidiHdr->lpData;
 932
 933     if (lpData == NULL)
 934         return MIDIERR_UNPREPARED;
 935     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 936         return MIDIERR_UNPREPARED;
 937     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 938         return MIDIERR_STILLPLAYING;
 939     lpMidiHdr->dwFlags &= ~MHDR_DONE;
 940     lpMidiHdr->dwFlags |= MHDR_INQUEUE;
 941
 942     /* FIXME: MS doc is not 100% clear. Will lpData only contain system exclusive
 943      * data, or can it also contain raw MIDI data, to be split up and sent to
 944      * modShortData() ?
 945      * If the latest is true, then the following WARNing will fire up
 946      */
 947     if (lpData[0] != 0xF0 || lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) {
 948         WARN("Alleged system exclusive buffer is not correct\n\tPlease report with MIDI file\n");
 949         lpNewData = HeapAlloc(GetProcessHeap(), 0, lpMidiHdr->dwBufferLength + 2);
 950     }
 951
 952     TRACE("dwBufferLength=%u !\n", lpMidiHdr->dwBufferLength);
 953     TRACE("                 %02X %02X %02X ... %02X %02X %02X\n",
 954           lpData[0], lpData[1], lpData[2], lpData[lpMidiHdr->dwBufferLength-3],
 955           lpData[lpMidiHdr->dwBufferLength-2], lpData[lpMidiHdr->dwBufferLength-1]);
 956
 957     switch (MidiOutDev[wDevID].caps.wTechnology) {
 958     case MOD_FMSYNTH:
 959         /* FIXME: I don't think there is much to do here */
 960         break;
 961     case MOD_MIDIPORT:
 962         if (lpData[0] != 0xF0) {
 963             /* Send start of System Exclusive */
 964             len_add = 1;
 965             lpData[0] = 0xF0;
 966             memcpy(lpNewData, lpData, lpMidiHdr->dwBufferLength);
 967             WARN("Adding missing 0xF0 marker at the beginning of "
 968                  "system exclusive byte stream\n");
 969         }
 970         if (lpData[lpMidiHdr->dwBufferLength-1] != 0xF7) {
 971             /* Send end of System Exclusive */
 972             memcpy(lpData + len_add, lpData, lpMidiHdr->dwBufferLength);
 973             lpNewData[lpMidiHdr->dwBufferLength + len_add - 1] = 0xF0;
 974             len_add++;
 975             WARN("Adding missing 0xF7 marker at the end of "
 976                  "system exclusive byte stream\n");
 977         }
 978         snd_seq_ev_clear(&event);
 979         snd_seq_ev_set_direct(&event);
 980         snd_seq_ev_set_source(&event, port_out);
 981         snd_seq_ev_set_dest(&event, MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
 982         TRACE("client = %d port = %d\n", MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
 983         snd_seq_ev_set_sysex(&event, lpMidiHdr->dwBufferLength + len_add, lpNewData ? lpNewData : lpData);
 984         snd_seq_event_output_direct(midiSeq, &event);
 985         if (lpNewData)
 986                 HeapFree(GetProcessHeap(), 0, lpData);
 987         break;
 988     default:
 989         WARN("Technology not supported (yet) %d !\n",
 990              MidiOutDev[wDevID].caps.wTechnology);
 991         return MMSYSERR_NOTENABLED;
 992     }
 993
 994     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 995     lpMidiHdr->dwFlags |= MHDR_DONE;
 996     if (MIDI_NotifyClient(wDevID, MOM_DONE, (DWORD)lpMidiHdr, 0L) != MMSYSERR_NOERROR) {
 997         WARN("can't notify client !\n");
 998         return MMSYSERR_INVALPARAM;
 999     }
1000     return MMSYSERR_NOERROR;
1001 }
1002
1003 /**************************************************************************
1004  *                      modPrepare                              [internal]
1005  */
1006 static DWORD modPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
1007 {
1008     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
1009
1010     if (midiSeq == NULL) {
1011         WARN("can't prepare !\n");
1012         return MMSYSERR_NOTENABLED;
1013     }
1014
1015     /* MS doc says that dwFlags must be set to zero, but (kinda funny) MS mciseq drivers
1016      * asks to prepare MIDIHDR which dwFlags != 0.
1017      * So at least check for the inqueue flag
1018      */
1019     if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
1020         lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
1021         lpMidiHdr->dwBufferLength >= 0x10000ul) {
1022         WARN("%p %p %08x %d/%d\n", lpMidiHdr, lpMidiHdr->lpData,
1023                    lpMidiHdr->dwFlags, sizeof(MIDIHDR), dwSize);
1024         return MMSYSERR_INVALPARAM;
1025     }
1026
1027     lpMidiHdr->lpNext = 0;
1028     lpMidiHdr->dwFlags |= MHDR_PREPARED;
1029     lpMidiHdr->dwFlags &= ~MHDR_DONE;
1030     return MMSYSERR_NOERROR;
1031 }
1032
1033 /**************************************************************************
1034  *                              modUnprepare                    [internal]
1035  */
1036 static DWORD modUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
1037 {
1038     TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
1039
1040     if (midiSeq == NULL) {
1041         WARN("can't unprepare !\n");
1042         return MMSYSERR_NOTENABLED;
1043     }
1044
1045     if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0)
1046         return MMSYSERR_INVALPARAM;
1047     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1048         return MIDIERR_STILLPLAYING;
1049     lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
1050     return MMSYSERR_NOERROR;
1051 }
1052
1053 /**************************************************************************
1054  *                      modReset                                [internal]
1055  */
1056 static DWORD modReset(WORD wDevID)
1057 {
1058     unsigned chn;
1059
1060     TRACE("(%04X);\n", wDevID);
1061
1062     if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
1063     if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
1064
1065     /* stop all notes */
1066     /* FIXME: check if 0x78B0 is channel dependent or not. I coded it so that
1067      * it's channel dependent...
1068      */
1069     for (chn = 0; chn < 16; chn++) {
1070         /* turn off every note */
1071         modData(wDevID, 0x7800 | MIDI_CMD_CONTROL | chn);
1072         /* remove sustain on all channels */
1073         modData(wDevID, (MIDI_CTL_SUSTAIN << 8) | MIDI_CMD_CONTROL | chn);
1074     }
1075     /* FIXME: the LongData buffers must also be returned to the app */
1076     return MMSYSERR_NOERROR;
1077 }
1078
1079
1080 /**************************************************************************
1081  *                      ALSA_AddMidiPort                        [internal]
1082  *
1083  * Helper for ALSA_MidiInit
1084  */
1085 static void ALSA_AddMidiPort(snd_seq_client_info_t* cinfo, snd_seq_port_info_t* pinfo, int cap, int type)
1086 {
1087     if (cap & SND_SEQ_PORT_CAP_WRITE) {
1088         TRACE("OUT (%d:%s:%s:%d:%s:%x)\n",snd_seq_client_info_get_client(cinfo),
1089                                           snd_seq_client_info_get_name(cinfo),
1090                                           snd_seq_client_info_get_type(cinfo) == SND_SEQ_USER_CLIENT ? "user" : "kernel",
1091                                           snd_seq_port_info_get_port(pinfo),
1092                                           snd_seq_port_info_get_name(pinfo),
1093                                           type);
1094
1095         if (MODM_NumDevs >= MAX_MIDIOUTDRV)
1096             return;
1097         if (!type)
1098             return;
1099
1100         memcpy(&MidiOutDev[MODM_NumDevs].addr, snd_seq_port_info_get_addr(pinfo), sizeof(snd_seq_addr_t));
1101
1102         /* Manufac ID. We do not have access to this with soundcard.h
1103          * Does not seem to be a problem, because in mmsystem.h only
1104          * Microsoft's ID is listed.
1105          */
1106         MidiOutDev[MODM_NumDevs].caps.wMid = 0x00FF;
1107         MidiOutDev[MODM_NumDevs].caps.wPid = 0x0001;    /* FIXME Product ID  */
1108         /* Product Version. We simply say "1" */
1109         MidiOutDev[MODM_NumDevs].caps.vDriverVersion = 0x001;
1110         MidiOutDev[MODM_NumDevs].caps.wChannelMask   = 0xFFFF;
1111
1112         /* FIXME Do we have this information?
1113          * Assuming the soundcards can handle
1114          * MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but
1115          * not MIDICAPS_CACHE.
1116          */
1117         MidiOutDev[MODM_NumDevs].caps.dwSupport      = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
1118         MultiByteToWideChar(CP_ACP, 0, snd_seq_client_info_get_name(cinfo), -1,
1119                             MidiOutDev[MODM_NumDevs].caps.szPname,
1120                             sizeof(MidiOutDev[MODM_NumDevs].caps.szPname) / sizeof(WCHAR));
1121
1122         MidiOutDev[MODM_NumDevs].caps.wTechnology = MIDI_AlsaToWindowsDeviceType(type);
1123         MidiOutDev[MODM_NumDevs].caps.wVoices     = 16;
1124
1125         /* FIXME Is it possible to know the maximum
1126          * number of simultaneous notes of a soundcard ?
1127          * I believe we don't have this information, but
1128          * it's probably equal or more than wVoices
1129          */
1130         MidiOutDev[MODM_NumDevs].caps.wNotes = 16;
1131         MidiOutDev[MODM_NumDevs].bEnabled    = TRUE;
1132
1133         TRACE("MidiOut[%d]\tname='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%d\n"
1134             "\tALSA info: midi dev-type=%lx, capa=%lx\n",
1135               MODM_NumDevs, wine_dbgstr_w(MidiOutDev[MODM_NumDevs].caps.szPname),
1136               MidiOutDev[MODM_NumDevs].caps.wTechnology,
1137               MidiOutDev[MODM_NumDevs].caps.wVoices, MidiOutDev[MODM_NumDevs].caps.wNotes,
1138               MidiOutDev[MODM_NumDevs].caps.wChannelMask, MidiOutDev[MODM_NumDevs].caps.dwSupport,
1139               (long)type, (long)0);
1140
1141         MODM_NumDevs++;
1142     }
1143     if (cap & SND_SEQ_PORT_CAP_READ) {
1144         TRACE("IN  (%d:%s:%s:%d:%s:%x)\n",snd_seq_client_info_get_client(cinfo),
1145                                           snd_seq_client_info_get_name(cinfo),
1146                                           snd_seq_client_info_get_type(cinfo) == SND_SEQ_USER_CLIENT ? "user" : "kernel",
1147                                           snd_seq_port_info_get_port(pinfo),
1148                                           snd_seq_port_info_get_name(pinfo),
1149                                           type);
1150
1151         if (MIDM_NumDevs >= MAX_MIDIINDRV)
1152             return;
1153         if (!type)
1154             return;
1155
1156         memcpy(&MidiInDev[MIDM_NumDevs].addr, snd_seq_port_info_get_addr(pinfo), sizeof(snd_seq_addr_t));
1157
1158         /* Manufac ID. We do not have access to this with soundcard.h
1159          * Does not seem to be a problem, because in mmsystem.h only
1160          * Microsoft's ID is listed.
1161          */
1162         MidiInDev[MIDM_NumDevs].caps.wMid = 0x00FF;
1163         MidiInDev[MIDM_NumDevs].caps.wPid = 0x0001;     /* FIXME Product ID  */
1164         /* Product Version. We simply say "1" */
1165         MidiInDev[MIDM_NumDevs].caps.vDriverVersion = 0x001;
1166
1167         /* FIXME Do we have this information?
1168          * Assuming the soundcards can handle
1169          * MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but
1170          * not MIDICAPS_CACHE.
1171          */
1172         MidiInDev[MIDM_NumDevs].caps.dwSupport      = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
1173         MultiByteToWideChar(CP_ACP, 0, snd_seq_client_info_get_name(cinfo), -1,
1174                             MidiInDev[MIDM_NumDevs].caps.szPname,
1175                             sizeof(MidiInDev[MIDM_NumDevs].caps.szPname) / sizeof(WCHAR));
1176         MidiInDev[MIDM_NumDevs].state = 0;
1177
1178         TRACE("MidiIn [%d]\tname='%s' support=%d\n"
1179               "\tALSA info: midi dev-type=%lx, capa=%lx\n",
1180               MIDM_NumDevs, wine_dbgstr_w(MidiInDev[MIDM_NumDevs].caps.szPname),
1181               MidiInDev[MIDM_NumDevs].caps.dwSupport,
1182               (long)type, (long)0);
1183
1184         MIDM_NumDevs++;
1185     }
1186 }
1187
1188 #endif /* HAVE_ALSA */
1189
1190
1191 /*======================================================================*
1192  *                          MIDI entry points                           *
1193  *======================================================================*/
1194
1195 /**************************************************************************
1196  * ALSA_MidiInit                                [internal]
1197  *
1198  * Initializes the MIDI devices information variables
1199  */
1200 LONG ALSA_MidiInit(void)
1201 {
1202 #ifdef HAVE_ALSA
1203     static      BOOL    bInitDone = FALSE;
1204     snd_seq_client_info_t *cinfo;
1205     snd_seq_port_info_t *pinfo;
1206
1207     if (bInitDone)
1208         return TRUE;
1209
1210     TRACE("Initializing the MIDI variables.\n");
1211     bInitDone = TRUE;
1212
1213     /* try to open device */
1214     if (midiOpenSeq(0) == -1) {
1215         return TRUE;
1216     }
1217
1218 #if 0 /* Debug purpose */
1219     snd_lib_error_set_handler(error_handler);
1220 #endif
1221
1222     snd_seq_client_info_alloca(&cinfo);
1223     snd_seq_port_info_alloca(&pinfo);
1224
1225     /* First, search for all internal midi devices */
1226     snd_seq_client_info_set_client(cinfo, -1);
1227     while(snd_seq_query_next_client(midiSeq, cinfo) >= 0) {
1228         snd_seq_port_info_set_client(pinfo, snd_seq_client_info_get_client(cinfo));
1229         snd_seq_port_info_set_port(pinfo, -1);
1230         while (snd_seq_query_next_port(midiSeq, pinfo) >= 0) {
1231             int cap = snd_seq_port_info_get_capability(pinfo);
1232             int type = snd_seq_port_info_get_type(pinfo);
1233             if (type != SND_SEQ_PORT_TYPE_MIDI_GENERIC)
1234                 ALSA_AddMidiPort(cinfo, pinfo, cap, type);
1235         }
1236     }
1237
1238     /* Second, search for all external ports */
1239     snd_seq_client_info_set_client(cinfo, -1);
1240     while(snd_seq_query_next_client(midiSeq, cinfo) >= 0) {
1241         snd_seq_port_info_set_client(pinfo, snd_seq_client_info_get_client(cinfo));
1242         snd_seq_port_info_set_port(pinfo, -1);
1243         while (snd_seq_query_next_port(midiSeq, pinfo) >= 0) {
1244             int cap = snd_seq_port_info_get_capability(pinfo);
1245             int type = snd_seq_port_info_get_type(pinfo);
1246             if (type == SND_SEQ_PORT_TYPE_MIDI_GENERIC)
1247                 ALSA_AddMidiPort(cinfo, pinfo, cap, type);
1248         }
1249     }
1250
1251     /* close file and exit */
1252     midiCloseSeq();
1253
1254     TRACE("End\n");
1255 #endif
1256     return TRUE;
1257 }
1258
1259 /**************************************************************************
1260  *                      midMessage (WINEOSS.4)
1261  */
1262 DWORD WINAPI ALSA_midMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1263                             DWORD dwParam1, DWORD dwParam2)
1264 {
1265     TRACE("(%04X, %04X, %08X, %08X, %08X);\n",
1266           wDevID, wMsg, dwUser, dwParam1, dwParam2);
1267     switch (wMsg) {
1268 #ifdef HAVE_ALSA
1269     case DRVM_INIT:
1270     case DRVM_EXIT:
1271     case DRVM_ENABLE:
1272     case DRVM_DISABLE:
1273         /* FIXME: Pretend this is supported */
1274         return 0;
1275     case MIDM_OPEN:
1276         return midOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
1277     case MIDM_CLOSE:
1278         return midClose(wDevID);
1279     case MIDM_ADDBUFFER:
1280         return midAddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1281     case MIDM_PREPARE:
1282         return midPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1283     case MIDM_UNPREPARE:
1284         return midUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1285     case MIDM_GETDEVCAPS:
1286         return midGetDevCaps(wDevID, (LPMIDIINCAPSW)dwParam1,dwParam2);
1287     case MIDM_GETNUMDEVS:
1288         return MIDM_NumDevs;
1289     case MIDM_RESET:
1290         return midReset(wDevID);
1291     case MIDM_START:
1292         return midStart(wDevID);
1293     case MIDM_STOP:
1294         return midStop(wDevID);
1295 #endif
1296     default:
1297         TRACE("Unsupported message\n");
1298     }
1299     return MMSYSERR_NOTSUPPORTED;
1300 }
1301
1302 /**************************************************************************
1303  *                              modMessage (WINEOSS.5)
1304  */
1305 DWORD WINAPI ALSA_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1306                             DWORD dwParam1, DWORD dwParam2)
1307 {
1308     TRACE("(%04X, %04X, %08X, %08X, %08X);\n",
1309           wDevID, wMsg, dwUser, dwParam1, dwParam2);
1310
1311     switch (wMsg) {
1312 #ifdef HAVE_ALSA
1313     case DRVM_INIT:
1314     case DRVM_EXIT:
1315     case DRVM_ENABLE:
1316     case DRVM_DISABLE:
1317         /* FIXME: Pretend this is supported */
1318         return 0;
1319     case MODM_OPEN:
1320         return modOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
1321     case MODM_CLOSE:
1322         return modClose(wDevID);
1323     case MODM_DATA:
1324         return modData(wDevID, dwParam1);
1325     case MODM_LONGDATA:
1326         return modLongData(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1327     case MODM_PREPARE:
1328         return modPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1329     case MODM_UNPREPARE:
1330         return modUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1331     case MODM_GETDEVCAPS:
1332         return modGetDevCaps(wDevID, (LPMIDIOUTCAPSW)dwParam1, dwParam2);
1333     case MODM_GETNUMDEVS:
1334         return MODM_NumDevs;
1335     case MODM_GETVOLUME:
1336         return 0;
1337     case MODM_SETVOLUME:
1338         return 0;
1339     case MODM_RESET:
1340         return modReset(wDevID);
1341 #endif
1342     default:
1343         TRACE("Unsupported message\n");
1344     }
1345     return MMSYSERR_NOTSUPPORTED;
1346 }
1347
1348 /*-----------------------------------------------------------------------*/