dlls/winecoreaudio.drv/midi.c

   1 /*
   2  * Sample MIDI Wine Driver for Mac OS X (based on OSS midi driver)
   3  *
   4  * Copyright 1994       Martin Ayotte
   5  * Copyright 1998       Luiz Otavio L. Zorzella (init procedures)
   6  * Copyright 1998/1999  Eric POUECH :
   7  *              98/7    changes for making this MIDI driver work on OSS
   8  *                      current support is limited to MIDI ports of OSS systems
   9  *              98/9    rewriting MCI code for MIDI
  10  *              98/11   split in midi.c and mcimidi.c
  11  * Copyright 2006       Emmanuel Maillard
  12  *
  13  * This library is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU Lesser General Public
  15  * License as published by the Free Software Foundation; either
  16  * version 2.1 of the License, or (at your option) any later version.
  17  *
  18  * This library is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21  * Lesser General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU Lesser General Public
  24  * License along with this library; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  26  */
  27
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #include <string.h>
  32 #include <stdarg.h>
  33 #include <stdio.h>
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "wingdi.h"
  38 #include "winuser.h"
  39 #include "winnls.h"
  40 #include "mmddk.h"
  41 #include "wine/unicode.h"
  42 #include "wine/debug.h"
  43 #include "coreaudio.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(midi);
  46
  47 #include <CoreAudio/CoreAudio.h>
  48
  49 #define WINE_DEFINITIONS
  50 #include "coremidi.h"
  51
  52 static MIDIClientRef wineMIDIClient = NULL;
  53
  54 static DWORD MIDIOut_NumDevs = 0;
  55 static DWORD MIDIIn_NumDevs = 0;
  56
  57 typedef struct tagMIDIDestination {
  58     /* graph and synth are only used for MIDI Synth */
  59     AUGraph graph;
  60     AudioUnit synth;
  61
  62     MIDIEndpointRef dest;
  63
  64     MIDIOUTCAPSW caps;
  65     MIDIOPENDESC midiDesc;
  66     WORD wFlags;
  67 } MIDIDestination;
  68
  69 typedef struct tagMIDISource {
  70     MIDIEndpointRef source;
  71
  72     WORD wDevID;
  73     int state; /* 0 is no recording started, 1 in recording, bit 2 set if in sys exclusive recording */
  74     MIDIINCAPSW caps;
  75     MIDIOPENDESC midiDesc;
  76     LPMIDIHDR lpQueueHdr;
  77     WORD wFlags;
  78     DWORD startTime;
  79 } MIDISource;
  80
  81 static CRITICAL_SECTION midiInLock; /* Critical section for MIDI In */
  82 static CFStringRef MIDIInThreadPortName = NULL;
  83
  84 static DWORD WINAPI MIDIIn_MessageThread(LPVOID p);
  85
  86 static MIDIPortRef MIDIInPort = NULL;
  87 static MIDIPortRef MIDIOutPort = NULL;
  88
  89 #define MAX_MIDI_SYNTHS 1
  90
  91 MIDIDestination *destinations;
  92 MIDISource *sources;
  93
  94 extern int SynthUnit_CreateDefaultSynthUnit(AUGraph *graph, AudioUnit *synth);
  95 extern int SynthUnit_Initialize(AudioUnit synth, AUGraph graph);
  96 extern int SynthUnit_Close(AUGraph graph);
  97
  98
  99 LONG CoreAudio_MIDIInit(void)
 100 {
 101     int i;
 102     CHAR szPname[MAXPNAMELEN] = {0};
 103
 104     int numDest = MIDIGetNumberOfDestinations();
 105     CFStringRef name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("wineMIDIClient.%d"), getpid());
 106
 107     wineMIDIClient = CoreMIDI_CreateClient( name );
 108     if (wineMIDIClient == NULL)
 109     {
 110         CFRelease(name);
 111         ERR("can't create wineMIDIClient\n");
 112         return DRV_FAILURE;
 113     }
 114     CFRelease(name);
 115
 116     MIDIOut_NumDevs = MAX_MIDI_SYNTHS;
 117     MIDIOut_NumDevs += numDest;
 118
 119     MIDIIn_NumDevs = MIDIGetNumberOfSources();
 120
 121     TRACE("MIDIOut_NumDevs %d MIDIIn_NumDevs %d\n", MIDIOut_NumDevs, MIDIIn_NumDevs);
 122
 123     destinations = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, MIDIOut_NumDevs * sizeof(MIDIDestination));
 124     sources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, MIDIIn_NumDevs * sizeof(MIDISource));
 125
 126     if (MIDIIn_NumDevs > 0)
 127     {
 128         InitializeCriticalSection(&midiInLock);
 129         midiInLock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": midiInLock");
 130         MIDIInThreadPortName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("MIDIInThreadPortName.%u"), getpid());
 131         CloseHandle( CreateThread(NULL, 0, MIDIIn_MessageThread, NULL, 0, NULL));
 132
 133         name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("WineInputPort.%u"), getpid());
 134         MIDIInputPortCreate(wineMIDIClient, name, MIDIIn_ReadProc, NULL, &MIDIInPort);
 135         CFRelease(name);
 136     }
 137     if (numDest > 0)
 138     {
 139         name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("WineOutputPort.%u"), getpid());
 140         MIDIOutputPortCreate(wineMIDIClient, name, &MIDIOutPort);
 141         CFRelease(name);
 142     }
 143
 144     /* initialize sources */
 145     for (i = 0; i < MIDIIn_NumDevs; i++)
 146     {
 147         sources[i].wDevID = i;
 148         sources[i].source = MIDIGetSource(i);
 149
 150         CoreMIDI_GetObjectName(sources[i].source, szPname, sizeof(szPname));
 151         MultiByteToWideChar(CP_ACP, 0, szPname, -1, sources[i].caps.szPname, sizeof(sources[i].caps.szPname)/sizeof(WCHAR));
 152
 153         MIDIPortConnectSource(MIDIInPort, sources[i].source, &sources[i].wDevID);
 154
 155         sources[i].state = 0;
 156         /* FIXME */
 157         sources[i].caps.wMid = 0x00FF;  /* Manufac ID */
 158         sources[i].caps.wPid = 0x0001;  /* Product ID */
 159         sources[i].caps.vDriverVersion = 0x0001;
 160         sources[i].caps.dwSupport = 0;
 161     }
 162
 163     /* initialise MIDI synths */
 164     for (i = 0; i < MAX_MIDI_SYNTHS; i++)
 165     {
 166         snprintf(szPname, sizeof(szPname), "CoreAudio MIDI Synth %d", i);
 167         MultiByteToWideChar(CP_ACP, 0, szPname, -1, destinations[i].caps.szPname, sizeof(destinations[i].caps.szPname)/sizeof(WCHAR));
 168
 169         destinations[i].caps.wTechnology = MOD_SYNTH;
 170         destinations[i].caps.wChannelMask = 0xFFFF;
 171
 172         destinations[i].caps.wMid = 0x00FF;     /* Manufac ID */
 173         destinations[i].caps.wPid = 0x0001;     /* Product ID */
 174         destinations[i].caps.vDriverVersion = 0x0001;
 175         destinations[i].caps.dwSupport = MIDICAPS_VOLUME;
 176         destinations[i].caps.wVoices = 16;
 177         destinations[i].caps.wNotes = 16;
 178     }
 179     /* initialise available destinations */
 180     for (i = MAX_MIDI_SYNTHS; i < numDest + MAX_MIDI_SYNTHS; i++)
 181     {
 182         destinations[i].dest = MIDIGetDestination(i - MAX_MIDI_SYNTHS);
 183
 184         CoreMIDI_GetObjectName(destinations[i].dest, szPname, sizeof(szPname));
 185         MultiByteToWideChar(CP_ACP, 0, szPname, -1, destinations[i].caps.szPname, sizeof(destinations[i].caps.szPname)/sizeof(WCHAR));
 186
 187         destinations[i].caps.wTechnology = MOD_MIDIPORT;
 188         destinations[i].caps.wChannelMask = 0xFFFF;
 189
 190         destinations[i].caps.wMid = 0x00FF;     /* Manufac ID */
 191         destinations[i].caps.wPid = 0x0001;
 192         destinations[i].caps.vDriverVersion = 0x0001;
 193         destinations[i].caps.dwSupport = 0;
 194         destinations[i].caps.wVoices = 0;
 195         destinations[i].caps.wNotes = 0;
 196     }
 197     return DRV_SUCCESS;
 198 }
 199
 200 LONG CoreAudio_MIDIRelease(void)
 201 {
 202     TRACE("\n");
 203     if (MIDIIn_NumDevs > 0)
 204     {
 205         CFMessagePortRef messagePort;
 206         /* Stop CFRunLoop in MIDIIn_MessageThread */
 207         messagePort = CFMessagePortCreateRemote(kCFAllocatorDefault, MIDIInThreadPortName);
 208         CFMessagePortSendRequest(messagePort, 1, NULL, 0.0, 0.0, NULL, NULL);
 209         CFRelease(messagePort);
 210
 211         midiInLock.DebugInfo->Spare[0] = 0;
 212         DeleteCriticalSection(&midiInLock);
 213     }
 214
 215     if (wineMIDIClient) MIDIClientDispose(wineMIDIClient); /* MIDIClientDispose will close all ports */
 216
 217     HeapFree(GetProcessHeap(), 0, sources);
 218     HeapFree(GetProcessHeap(), 0, destinations);
 219     return DRV_SUCCESS;
 220 }
 221
 222
 223 /**************************************************************************
 224  *                      MIDI_NotifyClient                       [internal]
 225  */
 226 static void MIDI_NotifyClient(UINT wDevID, WORD wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 227 {
 228     DWORD_PTR           dwCallBack;
 229     UINT                uFlags;
 230     HANDLE              hDev;
 231     DWORD_PTR           dwInstance;
 232
 233     TRACE("wDevID=%d wMsg=%d dwParm1=%04lX dwParam2=%04lX\n", wDevID, wMsg, dwParam1, dwParam2);
 234
 235     switch (wMsg) {
 236     case MOM_OPEN:
 237     case MOM_CLOSE:
 238     case MOM_DONE:
 239     case MOM_POSITIONCB:
 240         dwCallBack = destinations[wDevID].midiDesc.dwCallback;
 241         uFlags = destinations[wDevID].wFlags;
 242         hDev = destinations[wDevID].midiDesc.hMidi;
 243         dwInstance = destinations[wDevID].midiDesc.dwInstance;
 244         break;
 245
 246     case MIM_OPEN:
 247     case MIM_CLOSE:
 248     case MIM_DATA:
 249     case MIM_LONGDATA:
 250     case MIM_ERROR:
 251     case MIM_LONGERROR:
 252     case MIM_MOREDATA:
 253         dwCallBack = sources[wDevID].midiDesc.dwCallback;
 254         uFlags = sources[wDevID].wFlags;
 255         hDev = sources[wDevID].midiDesc.hMidi;
 256         dwInstance = sources[wDevID].midiDesc.dwInstance;
 257         break;
 258     default:
 259         ERR("Unsupported MSW-MIDI message %u\n", wMsg);
 260         return;
 261     }
 262
 263     DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2);
 264 }
 265
 266 static DWORD MIDIOut_Open(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 267 {
 268     MIDIDestination *dest;
 269
 270     TRACE("wDevID=%d lpDesc=%p dwFlags=%08x\n", wDevID, lpDesc, dwFlags);
 271
 272     if (lpDesc == NULL) {
 273         WARN("Invalid Parameter\n");
 274         return MMSYSERR_INVALPARAM;
 275     }
 276
 277     if (wDevID >= MIDIOut_NumDevs) {
 278         WARN("bad device ID : %d\n", wDevID);
 279         return MMSYSERR_BADDEVICEID;
 280     }
 281
 282     if (destinations[wDevID].midiDesc.hMidi != 0) {
 283         WARN("device already open !\n");
 284         return MMSYSERR_ALLOCATED;
 285     }
 286
 287     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
 288         WARN("bad dwFlags\n");
 289         return MMSYSERR_INVALFLAG;
 290     }
 291     dest = &destinations[wDevID];
 292
 293     if (dest->caps.wTechnology == MOD_SYNTH)
 294     {
 295         if (!SynthUnit_CreateDefaultSynthUnit(&dest->graph, &dest->synth))
 296         {
 297             ERR("SynthUnit_CreateDefaultSynthUnit dest=%p failed\n", dest);
 298             return MMSYSERR_ERROR;
 299         }
 300
 301         if (!SynthUnit_Initialize(dest->synth, dest->graph))
 302         {
 303             ERR("SynthUnit_Initialise dest=%p failed\n", dest);
 304             return MMSYSERR_ERROR;
 305         }
 306     }
 307     dest->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 308     dest->midiDesc = *lpDesc;
 309
 310     MIDI_NotifyClient(wDevID, MOM_OPEN, 0L, 0L);
 311     return MMSYSERR_NOERROR;
 312 }
 313
 314 static DWORD MIDIOut_Close(WORD wDevID)
 315 {
 316     DWORD ret = MMSYSERR_NOERROR;
 317
 318     TRACE("wDevID=%d\n", wDevID);
 319
 320     if (wDevID >= MIDIOut_NumDevs) {
 321         WARN("bad device ID : %d\n", wDevID);
 322         return MMSYSERR_BADDEVICEID;
 323     }
 324
 325     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 326         SynthUnit_Close(destinations[wDevID].graph);
 327
 328     destinations[wDevID].graph = 0;
 329     destinations[wDevID].synth = 0;
 330
 331     MIDI_NotifyClient(wDevID, MOM_CLOSE, 0L, 0L);
 332     destinations[wDevID].midiDesc.hMidi = 0;
 333
 334     return ret;
 335 }
 336
 337 static DWORD MIDIOut_Data(WORD wDevID, DWORD dwParam)
 338 {
 339     WORD evt = LOBYTE(LOWORD(dwParam));
 340     UInt8 chn = (evt & 0x0F);
 341
 342     TRACE("wDevID=%d dwParam=%08X\n", wDevID, dwParam);
 343
 344     if (wDevID >= MIDIOut_NumDevs) {
 345         WARN("bad device ID : %d\n", wDevID);
 346         return MMSYSERR_BADDEVICEID;
 347     }
 348
 349     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 350     {
 351         WORD d1  = HIBYTE(LOWORD(dwParam));
 352         WORD d2  = LOBYTE(HIWORD(dwParam));
 353         OSStatus err = noErr;
 354
 355         err = MusicDeviceMIDIEvent(destinations[wDevID].synth, (evt & 0xF0) | chn, d1, d2, 0);
 356         if (err != noErr)
 357         {
 358             ERR("MusicDeviceMIDIEvent(%p, %04x, %04x, %04x, %d) return %s\n", destinations[wDevID].synth, (evt & 0xF0) | chn, d1, d2, 0, wine_dbgstr_fourcc(err));
 359             return MMSYSERR_ERROR;
 360         }
 361     }
 362     else
 363     {
 364         UInt8 buffer[3];
 365         buffer[0] = (evt & 0xF0) | chn;
 366         buffer[1] = HIBYTE(LOWORD(dwParam));
 367         buffer[2] = LOBYTE(HIWORD(dwParam));
 368
 369         MIDIOut_Send(MIDIOutPort, destinations[wDevID].dest, buffer, 3);
 370     }
 371
 372     return MMSYSERR_NOERROR;
 373 }
 374
 375 static DWORD MIDIOut_LongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 376 {
 377     LPBYTE lpData;
 378     OSStatus err = noErr;
 379
 380     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 381
 382     /* Note: MS doc does not say much about the dwBytesRecorded member of the MIDIHDR structure
 383      * but it seems to be used only for midi input.
 384      * Taking a look at the WAVEHDR structure (which is quite similar) confirms this assumption.
 385      */
 386
 387     if (wDevID >= MIDIOut_NumDevs) {
 388         WARN("bad device ID : %d\n", wDevID);
 389         return MMSYSERR_BADDEVICEID;
 390     }
 391
 392     if (lpMidiHdr == NULL) {
 393         WARN("Invalid Parameter\n");
 394         return MMSYSERR_INVALPARAM;
 395     }
 396
 397     lpData = (LPBYTE) lpMidiHdr->lpData;
 398
 399     if (lpData == NULL)
 400         return MIDIERR_UNPREPARED;
 401     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 402         return MIDIERR_UNPREPARED;
 403     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 404         return MIDIERR_STILLPLAYING;
 405     lpMidiHdr->dwFlags &= ~MHDR_DONE;
 406     lpMidiHdr->dwFlags |= MHDR_INQUEUE;
 407
 408     /* FIXME: MS doc is not 100% clear. Will lpData only contain system exclusive
 409      * data, or can it also contain raw MIDI data, to be split up and sent to
 410      * modShortData() ?
 411      * If the latter is true, then the following WARNing will fire up
 412      */
 413     if (lpData[0] != 0xF0 || lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) {
 414         WARN("The allegedly system exclusive buffer is not correct\n\tPlease report with MIDI file\n");
 415     }
 416
 417     TRACE("dwBufferLength=%u !\n", lpMidiHdr->dwBufferLength);
 418     TRACE("                 %02X %02X %02X ... %02X %02X %02X\n",
 419           lpData[0], lpData[1], lpData[2], lpData[lpMidiHdr->dwBufferLength-3],
 420           lpData[lpMidiHdr->dwBufferLength-2], lpData[lpMidiHdr->dwBufferLength-1]);
 421
 422
 423     if (lpData[0] != 0xF0) {
 424         /* System Exclusive */
 425         ERR("Add missing 0xF0 marker at the beginning of system exclusive byte stream\n");
 426     }
 427     if (lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) {
 428         /* Send end of System Exclusive */
 429         ERR("Add missing 0xF7 marker at the end of system exclusive byte stream\n");
 430     }
 431     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH) /* FIXME */
 432     {
 433         err = MusicDeviceSysEx(destinations[wDevID].synth, (const UInt8 *) lpData, lpMidiHdr->dwBufferLength);
 434         if (err != noErr)
 435         {
 436             ERR("MusicDeviceSysEx(%p, %p, %d) return %s\n", destinations[wDevID].synth, lpData, lpMidiHdr->dwBufferLength, wine_dbgstr_fourcc(err));
 437             return MMSYSERR_ERROR;
 438         }
 439     }
 440     else if (destinations[wDevID].caps.wTechnology == MOD_MIDIPORT) {
 441         MIDIOut_Send(MIDIOutPort, destinations[wDevID].dest, lpData, lpMidiHdr->dwBufferLength);
 442     }
 443
 444     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 445     lpMidiHdr->dwFlags |= MHDR_DONE;
 446     MIDI_NotifyClient(wDevID, MOM_DONE, (DWORD_PTR)lpMidiHdr, 0L);
 447     return MMSYSERR_NOERROR;
 448 }
 449
 450 /**************************************************************************
 451  *                      MIDIOut_Prepare                         [internal]
 452  */
 453 static DWORD MIDIOut_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 454 {
 455     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 456
 457     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 458         return MMSYSERR_INVALPARAM;
 459     if (lpMidiHdr->dwFlags & MHDR_PREPARED)
 460         return MMSYSERR_NOERROR;
 461
 462     lpMidiHdr->lpNext = 0;
 463     lpMidiHdr->dwFlags |= MHDR_PREPARED;
 464     lpMidiHdr->dwFlags &= ~(MHDR_DONE|MHDR_INQUEUE); /* flags cleared since w2k */
 465     return MMSYSERR_NOERROR;
 466 }
 467
 468 /**************************************************************************
 469  *                              MIDIOut_Unprepare                       [internal]
 470  */
 471 static DWORD MIDIOut_Unprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 472 {
 473     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 474
 475     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 476         return MMSYSERR_INVALPARAM;
 477     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 478         return MMSYSERR_NOERROR;
 479     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 480         return MIDIERR_STILLPLAYING;
 481
 482     lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
 483     return MMSYSERR_NOERROR;
 484 }
 485
 486 static DWORD MIDIOut_GetDevCaps(WORD wDevID, LPMIDIOUTCAPSW lpCaps, DWORD dwSize)
 487 {
 488     TRACE("wDevID=%d lpCaps=%p dwSize=%d\n", wDevID, lpCaps, dwSize);
 489
 490     if (lpCaps == NULL) {
 491         WARN("Invalid Parameter\n");
 492         return MMSYSERR_INVALPARAM;
 493     }
 494
 495     if (wDevID >= MIDIOut_NumDevs) {
 496         WARN("bad device ID : %d\n", wDevID);
 497         return MMSYSERR_BADDEVICEID;
 498     }
 499     memcpy(lpCaps, &destinations[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 500     return MMSYSERR_NOERROR;
 501 }
 502
 503 static DWORD MIDIOut_GetNumDevs(void)
 504 {
 505     TRACE("\n");
 506     return MIDIOut_NumDevs;
 507 }
 508
 509 static DWORD MIDIOut_GetVolume(WORD wDevID, DWORD *lpdwVolume)
 510 {
 511     TRACE("%d\n", wDevID);
 512
 513     if (wDevID >= MIDIOut_NumDevs) {
 514         WARN("bad device ID : %d\n", wDevID);
 515         return MMSYSERR_BADDEVICEID;
 516     }
 517     if (lpdwVolume == NULL) {
 518         WARN("Invalid Parameter\n");
 519         return MMSYSERR_INVALPARAM;
 520     }
 521
 522     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 523     {
 524         float left;
 525         float right;
 526         AudioUnit_GetVolume(destinations[wDevID].synth, &left, &right);
 527
 528         *lpdwVolume = (WORD) (left * 0xFFFF) + ((WORD) (right * 0xFFFF) << 16);
 529
 530         return MMSYSERR_NOERROR;
 531     }
 532
 533     return MMSYSERR_NOTSUPPORTED;
 534 }
 535
 536 static DWORD MIDIOut_SetVolume(WORD wDevID, DWORD dwVolume)
 537 {
 538     TRACE("%d\n", wDevID);
 539
 540     if (wDevID >= MIDIOut_NumDevs) {
 541         WARN("bad device ID : %d\n", wDevID);
 542         return MMSYSERR_BADDEVICEID;
 543     }
 544     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 545     {
 546         float left;
 547         float right;
 548
 549         left  = LOWORD(dwVolume) / 65535.0f;
 550         right = HIWORD(dwVolume) / 65535.0f;
 551         AudioUnit_SetVolume(destinations[wDevID].synth, left, right);
 552
 553         return MMSYSERR_NOERROR;
 554     }
 555
 556     return MMSYSERR_NOTSUPPORTED;
 557 }
 558
 559 static DWORD MIDIOut_Reset(WORD wDevID)
 560 {
 561     unsigned chn;
 562
 563     TRACE("%d\n", wDevID);
 564
 565     if (wDevID >= MIDIOut_NumDevs) {
 566         WARN("bad device ID : %d\n", wDevID);
 567         return MMSYSERR_BADDEVICEID;
 568     }
 569     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 570     {
 571         for (chn = 0; chn < 16; chn++) {
 572             /* turn off every note */
 573             MusicDeviceMIDIEvent(destinations[wDevID].synth, 0xB0 | chn, 0x7B, 0, 0);
 574             /* remove sustain on channel */
 575             MusicDeviceMIDIEvent(destinations[wDevID].synth, 0xB0 | chn, 0x40, 0, 0);
 576         }
 577     }
 578     else FIXME("MOD_MIDIPORT\n");
 579
 580     /* FIXME: the LongData buffers must also be returned to the app */
 581     return MMSYSERR_NOERROR;
 582 }
 583
 584 static DWORD MIDIIn_Open(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 585 {
 586     TRACE("wDevID=%d lpDesc=%p dwFlags=%08x\n", wDevID, lpDesc, dwFlags);
 587
 588     if (lpDesc == NULL) {
 589         WARN("Invalid Parameter\n");
 590         return MMSYSERR_INVALPARAM;
 591     }
 592     if (wDevID >= MIDIIn_NumDevs) {
 593         WARN("bad device ID : %d\n", wDevID);
 594         return MMSYSERR_BADDEVICEID;
 595     }
 596     if (sources[wDevID].midiDesc.hMidi != 0) {
 597         WARN("device already open !\n");
 598         return MMSYSERR_ALLOCATED;
 599     }
 600     if ((dwFlags & MIDI_IO_STATUS) != 0) {
 601         WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
 602         dwFlags &= ~MIDI_IO_STATUS;
 603     }
 604     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
 605         FIXME("Bad dwFlags\n");
 606         return MMSYSERR_INVALFLAG;
 607     }
 608
 609     sources[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 610     sources[wDevID].lpQueueHdr = NULL;
 611     sources[wDevID].midiDesc = *lpDesc;
 612     sources[wDevID].startTime = 0;
 613     sources[wDevID].state = 0;
 614
 615     MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L);
 616     return MMSYSERR_NOERROR;
 617 }
 618
 619 static DWORD MIDIIn_Close(WORD wDevID)
 620 {
 621     DWORD ret = MMSYSERR_NOERROR;
 622
 623     TRACE("wDevID=%d\n", wDevID);
 624
 625     if (wDevID >= MIDIIn_NumDevs) {
 626         WARN("bad device ID : %d\n", wDevID);
 627         return MMSYSERR_BADDEVICEID;
 628     }
 629
 630     if (sources[wDevID].midiDesc.hMidi == 0) {
 631         WARN("device not opened !\n");
 632         return MMSYSERR_ERROR;
 633     }
 634     if (sources[wDevID].lpQueueHdr != 0) {
 635         return MIDIERR_STILLPLAYING;
 636     }
 637
 638     MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L);
 639     sources[wDevID].midiDesc.hMidi = 0;
 640     return ret;
 641 }
 642
 643 static DWORD MIDIIn_AddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 644 {
 645     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 646
 647     if (wDevID >= MIDIIn_NumDevs) {
 648         WARN("bad device ID : %d\n", wDevID);
 649         return MMSYSERR_BADDEVICEID;
 650     }
 651     if (lpMidiHdr == NULL) {
 652         WARN("Invalid Parameter\n");
 653         return MMSYSERR_INVALPARAM;
 654     }
 655     if (dwSize < offsetof(MIDIHDR,dwOffset)) {
 656         WARN("Invalid Parameter\n");
 657         return MMSYSERR_INVALPARAM;
 658     }
 659     if (lpMidiHdr->dwBufferLength == 0) {
 660         WARN("Invalid Parameter\n");
 661         return MMSYSERR_INVALPARAM;
 662     }
 663     if (lpMidiHdr->dwFlags & MHDR_INQUEUE) {
 664         WARN("Still playing\n");
 665         return MIDIERR_STILLPLAYING;
 666     }
 667     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) {
 668         WARN("Unprepared\n");
 669         return MIDIERR_UNPREPARED;
 670     }
 671
 672     EnterCriticalSection(&midiInLock);
 673     lpMidiHdr->dwFlags &= ~WHDR_DONE;
 674     lpMidiHdr->dwFlags |= MHDR_INQUEUE;
 675     lpMidiHdr->dwBytesRecorded = 0;
 676     lpMidiHdr->lpNext = 0;
 677     if (sources[wDevID].lpQueueHdr == 0) {
 678         sources[wDevID].lpQueueHdr = lpMidiHdr;
 679     } else {
 680         LPMIDIHDR ptr;
 681         for (ptr = sources[wDevID].lpQueueHdr;
 682              ptr->lpNext != 0;
 683              ptr = ptr->lpNext);
 684         ptr->lpNext = lpMidiHdr;
 685     }
 686     LeaveCriticalSection(&midiInLock);
 687
 688     return MMSYSERR_NOERROR;
 689 }
 690
 691 static DWORD MIDIIn_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 692 {
 693     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 694
 695     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 696         return MMSYSERR_INVALPARAM;
 697     if (lpMidiHdr->dwFlags & MHDR_PREPARED)
 698         return MMSYSERR_NOERROR;
 699
 700     lpMidiHdr->lpNext = 0;
 701     lpMidiHdr->dwFlags |= MHDR_PREPARED;
 702     lpMidiHdr->dwFlags &= ~(MHDR_DONE|MHDR_INQUEUE); /* flags cleared since w2k */
 703     return MMSYSERR_NOERROR;
 704 }
 705
 706 static DWORD MIDIIn_Unprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 707 {
 708     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 709
 710     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 711         return MMSYSERR_INVALPARAM;
 712     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 713         return MMSYSERR_NOERROR;
 714     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 715         return MIDIERR_STILLPLAYING;
 716
 717     lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
 718     return MMSYSERR_NOERROR;
 719 }
 720
 721 static DWORD MIDIIn_GetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize)
 722 {
 723     TRACE("wDevID=%d lpCaps=%p dwSize=%d\n", wDevID, lpCaps, dwSize);
 724
 725     if (lpCaps == NULL) {
 726         WARN("Invalid Parameter\n");
 727         return MMSYSERR_INVALPARAM;
 728     }
 729
 730     if (wDevID >= MIDIIn_NumDevs) {
 731         WARN("bad device ID : %d\n", wDevID);
 732         return MMSYSERR_BADDEVICEID;
 733     }
 734     memcpy(lpCaps, &sources[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 735     return MMSYSERR_NOERROR;
 736 }
 737
 738 static DWORD MIDIIn_GetNumDevs(void)
 739 {
 740     TRACE("\n");
 741     return MIDIIn_NumDevs;
 742 }
 743
 744 static DWORD MIDIIn_Start(WORD wDevID)
 745 {
 746     TRACE("%d\n", wDevID);
 747
 748     if (wDevID >= MIDIIn_NumDevs) {
 749         WARN("bad device ID : %d\n", wDevID);
 750         return MMSYSERR_BADDEVICEID;
 751     }
 752     sources[wDevID].state = 1;
 753     sources[wDevID].startTime = GetTickCount();
 754     return MMSYSERR_NOERROR;
 755 }
 756
 757 static DWORD MIDIIn_Stop(WORD wDevID)
 758 {
 759     TRACE("%d\n", wDevID);
 760     if (wDevID >= MIDIIn_NumDevs) {
 761         WARN("bad device ID : %d\n", wDevID);
 762         return MMSYSERR_BADDEVICEID;
 763     }
 764     sources[wDevID].state = 0;
 765     return MMSYSERR_NOERROR;
 766 }
 767
 768 static DWORD MIDIIn_Reset(WORD wDevID)
 769 {
 770     DWORD dwTime = GetTickCount();
 771
 772     TRACE("%d\n", wDevID);
 773     if (wDevID >= MIDIIn_NumDevs) {
 774         WARN("bad device ID : %d\n", wDevID);
 775         return MMSYSERR_BADDEVICEID;
 776     }
 777
 778     EnterCriticalSection(&midiInLock);
 779     while (sources[wDevID].lpQueueHdr) {
 780         LPMIDIHDR lpMidiHdr = sources[wDevID].lpQueueHdr;
 781         sources[wDevID].lpQueueHdr = lpMidiHdr->lpNext;
 782         lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 783         lpMidiHdr->dwFlags |= MHDR_DONE;
 784         /* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */
 785         MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, dwTime);
 786     }
 787     LeaveCriticalSection(&midiInLock);
 788
 789     return MMSYSERR_NOERROR;
 790 }
 791
 792 /*
 793  * MIDI In Mach message handling
 794  */
 795
 796 /*
 797  *  Call from CoreMIDI IO threaded callback,
 798  *  we can't call Wine debug channels, critical section or anything using NtCurrentTeb here.
 799  */
 800 void MIDIIn_SendMessage(MIDIMessage msg)
 801 {
 802     CFDataRef data;
 803
 804     CFMessagePortRef messagePort;
 805     messagePort = CFMessagePortCreateRemote(kCFAllocatorDefault, MIDIInThreadPortName);
 806
 807     data = CFDataCreate(kCFAllocatorDefault, (UInt8 *) &msg, sizeof(msg));
 808     if (data)
 809     {
 810         CFMessagePortSendRequest(messagePort, 0, data, 0.0, 0.0, NULL, NULL);
 811         CFRelease(data);
 812     }
 813     CFRelease(messagePort);
 814 }
 815
 816 static CFDataRef MIDIIn_MessageHandler(CFMessagePortRef local, SInt32 msgid, CFDataRef data, void *info)
 817 {
 818     MIDIMessage *msg = NULL;
 819     int i = 0;
 820     MIDISource *src = NULL;
 821     DWORD sendData = 0;
 822     int pos = 0;
 823     DWORD currentTime;
 824     BOOL sysexStart;
 825
 826     switch (msgid)
 827     {
 828         case 0:
 829             msg = (MIDIMessage *) CFDataGetBytePtr(data);
 830             TRACE("devID=%d\n", msg->devID);
 831              for (i = 0; i < msg->length; ++i) {
 832                 TRACE("%02X ", msg->data[i]);
 833             }
 834             TRACE("\n");
 835             src = &sources[msg->devID];
 836             if (src->state < 1)
 837             {
 838                 TRACE("input not started, thrown away\n");
 839                 return NULL;
 840             }
 841
 842             sysexStart = (msg->data[0] == 0xF0);
 843
 844             if (sysexStart || src->state & 2) {
 845                 int pos = 0;
 846                 int len = msg->length;
 847
 848                 if (sysexStart) {
 849                     TRACE("Receiving sysex message\n");
 850                     src->state |= 2;
 851                 }
 852
 853                 EnterCriticalSection(&midiInLock);
 854                 currentTime = GetTickCount() - src->startTime;
 855
 856                 while (len) {
 857                     LPMIDIHDR lpMidiHdr = src->lpQueueHdr;
 858
 859                     if (lpMidiHdr != NULL) {
 860                         int copylen = min(len, lpMidiHdr->dwBufferLength - lpMidiHdr->dwBytesRecorded);
 861                         memcpy(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded, msg->data + pos, copylen);
 862                         lpMidiHdr->dwBytesRecorded += copylen;
 863                         len -= copylen;
 864                         pos += copylen;
 865
 866                         TRACE("Copied %d bytes of sysex message\n", copylen);
 867
 868                         if ((lpMidiHdr->dwBytesRecorded == lpMidiHdr->dwBufferLength) ||
 869                             (*(BYTE*)(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded - 1) == 0xF7)) {
 870                             TRACE("Sysex message complete (or buffer limit reached), dispatching %d bytes\n", lpMidiHdr->dwBytesRecorded);
 871                             src->lpQueueHdr = lpMidiHdr->lpNext;
 872                             lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 873                             lpMidiHdr->dwFlags |= MHDR_DONE;
 874                             MIDI_NotifyClient(msg->devID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, currentTime);
 875                             src->state &= ~2;
 876                         }
 877                     }
 878                     else {
 879                         FIXME("Sysex data received but no buffer to store it!\n");
 880                         break;
 881                     }
 882                 }
 883
 884                 LeaveCriticalSection(&midiInLock);
 885                 return NULL;
 886             }
 887
 888             EnterCriticalSection(&midiInLock);
 889             currentTime = GetTickCount() - src->startTime;
 890
 891             while (pos < msg->length)
 892             {
 893                 sendData = 0;
 894                 switch (msg->data[pos] & 0xF0)
 895                 {
 896                     case 0xF0:
 897                         sendData = (msg->data[pos] <<  0);
 898                         pos++;
 899                         break;
 900
 901                     case 0xC0:
 902                     case 0xD0:
 903                         sendData = (msg->data[pos + 1] <<  8) | (msg->data[pos] <<  0);
 904                         pos += 2;
 905                         break;
 906                     default:
 907                         sendData = (msg->data[pos + 2] << 16) |
 908                                     (msg->data[pos + 1] <<  8) |
 909                                     (msg->data[pos] <<  0);
 910                         pos += 3;
 911                         break;
 912                 }
 913                 MIDI_NotifyClient(msg->devID, MIM_DATA, sendData, currentTime);
 914             }
 915             LeaveCriticalSection(&midiInLock);
 916             break;
 917         default:
 918             CFRunLoopStop(CFRunLoopGetCurrent());
 919             break;
 920     }
 921     return NULL;
 922 }
 923
 924 static DWORD WINAPI MIDIIn_MessageThread(LPVOID p)
 925 {
 926     CFMessagePortRef local;
 927     CFRunLoopSourceRef source;
 928     Boolean info;
 929
 930     local = CFMessagePortCreateLocal(kCFAllocatorDefault, MIDIInThreadPortName, &MIDIIn_MessageHandler, NULL, &info);
 931
 932     source = CFMessagePortCreateRunLoopSource(kCFAllocatorDefault, local, 0);
 933     CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
 934
 935     CFRunLoopRun();
 936
 937     CFRunLoopSourceInvalidate(source);
 938     CFRelease(source);
 939     CFRelease(local);
 940     CFRelease(MIDIInThreadPortName);
 941     MIDIInThreadPortName = NULL;
 942
 943     return 0;
 944 }
 945
 946 /**************************************************************************
 947 *                               modMessage
 948 */
 949 DWORD WINAPI CoreAudio_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
 950 {
 951     TRACE("%d %08x %08x %08x %08x\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
 952
 953     switch (wMsg) {
 954         case DRVM_INIT:
 955         case DRVM_EXIT:
 956         case DRVM_ENABLE:
 957         case DRVM_DISABLE:
 958             return 0;
 959         case MODM_OPEN:
 960             return MIDIOut_Open(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
 961         case MODM_CLOSE:
 962             return MIDIOut_Close(wDevID);
 963         case MODM_DATA:
 964             return MIDIOut_Data(wDevID, dwParam1);
 965         case MODM_LONGDATA:
 966             return MIDIOut_LongData(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
 967         case MODM_PREPARE:
 968             return MIDIOut_Prepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
 969         case MODM_UNPREPARE:
 970             return MIDIOut_Unprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
 971         case MODM_GETDEVCAPS:
 972             return MIDIOut_GetDevCaps(wDevID, (LPMIDIOUTCAPSW) dwParam1, dwParam2);
 973         case MODM_GETNUMDEVS:
 974             return MIDIOut_GetNumDevs();
 975         case MODM_GETVOLUME:
 976             return MIDIOut_GetVolume(wDevID, (DWORD*)dwParam1);
 977         case MODM_SETVOLUME:
 978             return MIDIOut_SetVolume(wDevID, dwParam1);
 979         case MODM_RESET:
 980             return MIDIOut_Reset(wDevID);
 981         default:
 982             TRACE("Unsupported message (08%x)\n", wMsg);
 983     }
 984     return MMSYSERR_NOTSUPPORTED;
 985 }
 986
 987 /**************************************************************************
 988 *                       midMessage
 989 */
 990 DWORD WINAPI CoreAudio_midMessage(UINT wDevID, UINT wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
 991 {
 992     TRACE("%d %08x %08x %08x %08x\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
 993     switch (wMsg) {
 994         case DRVM_INIT:
 995         case DRVM_EXIT:
 996         case DRVM_ENABLE:
 997         case DRVM_DISABLE:
 998             return 0;
 999         case MIDM_OPEN:
1000             return MIDIIn_Open(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
1001         case MIDM_CLOSE:
1002             return MIDIIn_Close(wDevID);
1003         case MIDM_ADDBUFFER:
1004             return MIDIIn_AddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1005         case MIDM_PREPARE:
1006             return MIDIIn_Prepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1007         case MIDM_UNPREPARE:
1008             return MIDIIn_Unprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1009         case MIDM_GETDEVCAPS:
1010             return MIDIIn_GetDevCaps(wDevID, (LPMIDIINCAPSW) dwParam1, dwParam2);
1011         case MIDM_GETNUMDEVS:
1012             return MIDIIn_GetNumDevs();
1013         case MIDM_START:
1014             return MIDIIn_Start(wDevID);
1015         case MIDM_STOP:
1016             return MIDIIn_Stop(wDevID);
1017         case MIDM_RESET:
1018             return MIDIIn_Reset(wDevID);
1019         default:
1020             TRACE("Unsupported message\n");
1021     }
1022     return MMSYSERR_NOTSUPPORTED;
1023 }