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 typedef struct {
  82     UInt16 devID;
  83     UInt16 length;
  84     Byte data[];
  85 } MIDIMessage;
  86
  87 static CRITICAL_SECTION midiInLock; /* Critical section for MIDI In */
  88 static CFStringRef MIDIInThreadPortName = NULL;
  89
  90 static DWORD WINAPI MIDIIn_MessageThread(LPVOID p);
  91
  92 static MIDIPortRef MIDIInPort = NULL;
  93 static MIDIPortRef MIDIOutPort = NULL;
  94
  95 #define MAX_MIDI_SYNTHS 1
  96
  97 MIDIDestination *destinations;
  98 MIDISource *sources;
  99
 100 extern int SynthUnit_CreateDefaultSynthUnit(AUGraph *graph, AudioUnit *synth);
 101 extern int SynthUnit_Initialize(AudioUnit synth, AUGraph graph);
 102 extern int SynthUnit_Close(AUGraph graph);
 103
 104
 105 LONG CoreAudio_MIDIInit(void)
 106 {
 107     int i;
 108     CHAR szPname[MAXPNAMELEN] = {0};
 109
 110     int numDest = MIDIGetNumberOfDestinations();
 111     CFStringRef name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("wineMIDIClient.%d"), getpid());
 112
 113     wineMIDIClient = CoreMIDI_CreateClient( name );
 114     if (wineMIDIClient == NULL)
 115     {
 116         CFRelease(name);
 117         ERR("can't create wineMIDIClient\n");
 118         return DRV_FAILURE;
 119     }
 120     CFRelease(name);
 121
 122     MIDIOut_NumDevs = MAX_MIDI_SYNTHS;
 123     MIDIOut_NumDevs += numDest;
 124
 125     MIDIIn_NumDevs = MIDIGetNumberOfSources();
 126
 127     TRACE("MIDIOut_NumDevs %d MIDIIn_NumDevs %d\n", MIDIOut_NumDevs, MIDIIn_NumDevs);
 128
 129     destinations = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, MIDIOut_NumDevs * sizeof(MIDIDestination));
 130     sources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, MIDIIn_NumDevs * sizeof(MIDISource));
 131
 132     if (MIDIIn_NumDevs > 0)
 133     {
 134         InitializeCriticalSection(&midiInLock);
 135         midiInLock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": midiInLock");
 136         MIDIInThreadPortName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("MIDIInThreadPortName.%u"), getpid());
 137         CloseHandle( CreateThread(NULL, 0, MIDIIn_MessageThread, NULL, 0, NULL));
 138
 139         name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("WineInputPort.%u"), getpid());
 140         MIDIInputPortCreate(wineMIDIClient, name, MIDIIn_ReadProc, NULL, &MIDIInPort);
 141         CFRelease(name);
 142     }
 143     if (numDest > 0)
 144     {
 145         name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("WineOutputPort.%u"), getpid());
 146         MIDIOutputPortCreate(wineMIDIClient, name, &MIDIOutPort);
 147         CFRelease(name);
 148     }
 149
 150     /* initialize sources */
 151     for (i = 0; i < MIDIIn_NumDevs; i++)
 152     {
 153         sources[i].wDevID = i;
 154         sources[i].source = MIDIGetSource(i);
 155
 156         CoreMIDI_GetObjectName(sources[i].source, szPname, sizeof(szPname));
 157         MultiByteToWideChar(CP_ACP, 0, szPname, -1, sources[i].caps.szPname, ARRAY_SIZE(sources[i].caps.szPname));
 158
 159         MIDIPortConnectSource(MIDIInPort, sources[i].source, &sources[i].wDevID);
 160
 161         sources[i].state = 0;
 162         /* FIXME */
 163         sources[i].caps.wMid = 0x00FF;  /* Manufac ID */
 164         sources[i].caps.wPid = 0x0001;  /* Product ID */
 165         sources[i].caps.vDriverVersion = 0x0001;
 166         sources[i].caps.dwSupport = 0;
 167     }
 168
 169     /* initialise MIDI synths */
 170     for (i = 0; i < MAX_MIDI_SYNTHS; i++)
 171     {
 172         snprintf(szPname, sizeof(szPname), "CoreAudio MIDI Synth %d", i);
 173         MultiByteToWideChar(CP_ACP, 0, szPname, -1, destinations[i].caps.szPname, ARRAY_SIZE(destinations[i].caps.szPname));
 174
 175         destinations[i].caps.wTechnology = MOD_SYNTH;
 176         destinations[i].caps.wChannelMask = 0xFFFF;
 177
 178         destinations[i].caps.wMid = 0x00FF;     /* Manufac ID */
 179         destinations[i].caps.wPid = 0x0001;     /* Product ID */
 180         destinations[i].caps.vDriverVersion = 0x0001;
 181         destinations[i].caps.dwSupport = MIDICAPS_VOLUME;
 182         destinations[i].caps.wVoices = 16;
 183         destinations[i].caps.wNotes = 16;
 184     }
 185     /* initialise available destinations */
 186     for (i = MAX_MIDI_SYNTHS; i < numDest + MAX_MIDI_SYNTHS; i++)
 187     {
 188         destinations[i].dest = MIDIGetDestination(i - MAX_MIDI_SYNTHS);
 189
 190         CoreMIDI_GetObjectName(destinations[i].dest, szPname, sizeof(szPname));
 191         MultiByteToWideChar(CP_ACP, 0, szPname, -1, destinations[i].caps.szPname, ARRAY_SIZE(destinations[i].caps.szPname));
 192
 193         destinations[i].caps.wTechnology = MOD_MIDIPORT;
 194         destinations[i].caps.wChannelMask = 0xFFFF;
 195
 196         destinations[i].caps.wMid = 0x00FF;     /* Manufac ID */
 197         destinations[i].caps.wPid = 0x0001;
 198         destinations[i].caps.vDriverVersion = 0x0001;
 199         destinations[i].caps.dwSupport = 0;
 200         destinations[i].caps.wVoices = 0;
 201         destinations[i].caps.wNotes = 0;
 202     }
 203     return DRV_SUCCESS;
 204 }
 205
 206 LONG CoreAudio_MIDIRelease(void)
 207 {
 208     TRACE("\n");
 209     if (MIDIIn_NumDevs > 0)
 210     {
 211         CFMessagePortRef messagePort;
 212         /* Stop CFRunLoop in MIDIIn_MessageThread */
 213         messagePort = CFMessagePortCreateRemote(kCFAllocatorDefault, MIDIInThreadPortName);
 214         CFMessagePortSendRequest(messagePort, 1, NULL, 0.0, 0.0, NULL, NULL);
 215         CFRelease(messagePort);
 216
 217         midiInLock.DebugInfo->Spare[0] = 0;
 218         DeleteCriticalSection(&midiInLock);
 219     }
 220
 221     if (wineMIDIClient) MIDIClientDispose(wineMIDIClient); /* MIDIClientDispose will close all ports */
 222
 223     HeapFree(GetProcessHeap(), 0, sources);
 224     HeapFree(GetProcessHeap(), 0, destinations);
 225     return DRV_SUCCESS;
 226 }
 227
 228
 229 /**************************************************************************
 230  *                      MIDI_NotifyClient                       [internal]
 231  */
 232 static void MIDI_NotifyClient(UINT wDevID, WORD wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 233 {
 234     DWORD_PTR           dwCallBack;
 235     UINT                uFlags;
 236     HANDLE              hDev;
 237     DWORD_PTR           dwInstance;
 238
 239     TRACE("wDevID=%d wMsg=%d dwParm1=%04lX dwParam2=%04lX\n", wDevID, wMsg, dwParam1, dwParam2);
 240
 241     switch (wMsg) {
 242     case MOM_OPEN:
 243     case MOM_CLOSE:
 244     case MOM_DONE:
 245     case MOM_POSITIONCB:
 246         dwCallBack = destinations[wDevID].midiDesc.dwCallback;
 247         uFlags = destinations[wDevID].wFlags;
 248         hDev = destinations[wDevID].midiDesc.hMidi;
 249         dwInstance = destinations[wDevID].midiDesc.dwInstance;
 250         break;
 251
 252     case MIM_OPEN:
 253     case MIM_CLOSE:
 254     case MIM_DATA:
 255     case MIM_LONGDATA:
 256     case MIM_ERROR:
 257     case MIM_LONGERROR:
 258     case MIM_MOREDATA:
 259         dwCallBack = sources[wDevID].midiDesc.dwCallback;
 260         uFlags = sources[wDevID].wFlags;
 261         hDev = sources[wDevID].midiDesc.hMidi;
 262         dwInstance = sources[wDevID].midiDesc.dwInstance;
 263         break;
 264     default:
 265         ERR("Unsupported MSW-MIDI message %u\n", wMsg);
 266         return;
 267     }
 268
 269     DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2);
 270 }
 271
 272 static DWORD MIDIOut_Open(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 273 {
 274     MIDIDestination *dest;
 275
 276     TRACE("wDevID=%d lpDesc=%p dwFlags=%08x\n", wDevID, lpDesc, dwFlags);
 277
 278     if (lpDesc == NULL) {
 279         WARN("Invalid Parameter\n");
 280         return MMSYSERR_INVALPARAM;
 281     }
 282
 283     if (wDevID >= MIDIOut_NumDevs) {
 284         WARN("bad device ID : %d\n", wDevID);
 285         return MMSYSERR_BADDEVICEID;
 286     }
 287
 288     if (destinations[wDevID].midiDesc.hMidi != 0) {
 289         WARN("device already open !\n");
 290         return MMSYSERR_ALLOCATED;
 291     }
 292
 293     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
 294         WARN("bad dwFlags\n");
 295         return MMSYSERR_INVALFLAG;
 296     }
 297     dest = &destinations[wDevID];
 298
 299     if (dest->caps.wTechnology == MOD_SYNTH)
 300     {
 301         if (!SynthUnit_CreateDefaultSynthUnit(&dest->graph, &dest->synth))
 302         {
 303             ERR("SynthUnit_CreateDefaultSynthUnit dest=%p failed\n", dest);
 304             return MMSYSERR_ERROR;
 305         }
 306
 307         if (!SynthUnit_Initialize(dest->synth, dest->graph))
 308         {
 309             ERR("SynthUnit_Initialise dest=%p failed\n", dest);
 310             return MMSYSERR_ERROR;
 311         }
 312     }
 313     dest->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 314     dest->midiDesc = *lpDesc;
 315
 316     MIDI_NotifyClient(wDevID, MOM_OPEN, 0L, 0L);
 317     return MMSYSERR_NOERROR;
 318 }
 319
 320 static DWORD MIDIOut_Close(WORD wDevID)
 321 {
 322     DWORD ret = MMSYSERR_NOERROR;
 323
 324     TRACE("wDevID=%d\n", wDevID);
 325
 326     if (wDevID >= MIDIOut_NumDevs) {
 327         WARN("bad device ID : %d\n", wDevID);
 328         return MMSYSERR_BADDEVICEID;
 329     }
 330
 331     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 332         SynthUnit_Close(destinations[wDevID].graph);
 333
 334     destinations[wDevID].graph = 0;
 335     destinations[wDevID].synth = 0;
 336
 337     MIDI_NotifyClient(wDevID, MOM_CLOSE, 0L, 0L);
 338     destinations[wDevID].midiDesc.hMidi = 0;
 339
 340     return ret;
 341 }
 342
 343 static DWORD MIDIOut_Data(WORD wDevID, DWORD dwParam)
 344 {
 345     WORD evt = LOBYTE(LOWORD(dwParam));
 346     UInt8 chn = (evt & 0x0F);
 347
 348     TRACE("wDevID=%d dwParam=%08X\n", wDevID, dwParam);
 349
 350     if (wDevID >= MIDIOut_NumDevs) {
 351         WARN("bad device ID : %d\n", wDevID);
 352         return MMSYSERR_BADDEVICEID;
 353     }
 354
 355     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 356     {
 357         WORD d1  = HIBYTE(LOWORD(dwParam));
 358         WORD d2  = LOBYTE(HIWORD(dwParam));
 359         OSStatus err = noErr;
 360
 361         err = MusicDeviceMIDIEvent(destinations[wDevID].synth, (evt & 0xF0) | chn, d1, d2, 0);
 362         if (err != noErr)
 363         {
 364             ERR("MusicDeviceMIDIEvent(%p, %04x, %04x, %04x, %d) return %s\n", destinations[wDevID].synth, (evt & 0xF0) | chn, d1, d2, 0, wine_dbgstr_fourcc(err));
 365             return MMSYSERR_ERROR;
 366         }
 367     }
 368     else
 369     {
 370         UInt8 buffer[3];
 371         buffer[0] = (evt & 0xF0) | chn;
 372         buffer[1] = HIBYTE(LOWORD(dwParam));
 373         buffer[2] = LOBYTE(HIWORD(dwParam));
 374
 375         MIDIOut_Send(MIDIOutPort, destinations[wDevID].dest, buffer, 3);
 376     }
 377
 378     return MMSYSERR_NOERROR;
 379 }
 380
 381 static DWORD MIDIOut_LongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 382 {
 383     LPBYTE lpData;
 384     OSStatus err = noErr;
 385
 386     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 387
 388     /* Note: MS doc does not say much about the dwBytesRecorded member of the MIDIHDR structure
 389      * but it seems to be used only for midi input.
 390      * Taking a look at the WAVEHDR structure (which is quite similar) confirms this assumption.
 391      */
 392
 393     if (wDevID >= MIDIOut_NumDevs) {
 394         WARN("bad device ID : %d\n", wDevID);
 395         return MMSYSERR_BADDEVICEID;
 396     }
 397
 398     if (lpMidiHdr == NULL) {
 399         WARN("Invalid Parameter\n");
 400         return MMSYSERR_INVALPARAM;
 401     }
 402
 403     lpData = (LPBYTE) lpMidiHdr->lpData;
 404
 405     if (lpData == NULL)
 406         return MIDIERR_UNPREPARED;
 407     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 408         return MIDIERR_UNPREPARED;
 409     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 410         return MIDIERR_STILLPLAYING;
 411     lpMidiHdr->dwFlags &= ~MHDR_DONE;
 412     lpMidiHdr->dwFlags |= MHDR_INQUEUE;
 413
 414     /* FIXME: MS doc is not 100% clear. Will lpData only contain system exclusive
 415      * data, or can it also contain raw MIDI data, to be split up and sent to
 416      * modShortData() ?
 417      * If the latter is true, then the following WARNing will fire up
 418      */
 419     if (lpData[0] != 0xF0 || lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) {
 420         WARN("The allegedly system exclusive buffer is not correct\n\tPlease report with MIDI file\n");
 421     }
 422
 423     TRACE("dwBufferLength=%u !\n", lpMidiHdr->dwBufferLength);
 424     TRACE("                 %02X %02X %02X ... %02X %02X %02X\n",
 425           lpData[0], lpData[1], lpData[2], lpData[lpMidiHdr->dwBufferLength-3],
 426           lpData[lpMidiHdr->dwBufferLength-2], lpData[lpMidiHdr->dwBufferLength-1]);
 427
 428
 429     if (lpData[0] != 0xF0) {
 430         /* System Exclusive */
 431         ERR("Add missing 0xF0 marker at the beginning of system exclusive byte stream\n");
 432     }
 433     if (lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) {
 434         /* Send end of System Exclusive */
 435         ERR("Add missing 0xF7 marker at the end of system exclusive byte stream\n");
 436     }
 437     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH) /* FIXME */
 438     {
 439         err = MusicDeviceSysEx(destinations[wDevID].synth, (const UInt8 *) lpData, lpMidiHdr->dwBufferLength);
 440         if (err != noErr)
 441         {
 442             ERR("MusicDeviceSysEx(%p, %p, %d) return %s\n", destinations[wDevID].synth, lpData, lpMidiHdr->dwBufferLength, wine_dbgstr_fourcc(err));
 443             return MMSYSERR_ERROR;
 444         }
 445     }
 446     else if (destinations[wDevID].caps.wTechnology == MOD_MIDIPORT) {
 447         MIDIOut_Send(MIDIOutPort, destinations[wDevID].dest, lpData, lpMidiHdr->dwBufferLength);
 448     }
 449
 450     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 451     lpMidiHdr->dwFlags |= MHDR_DONE;
 452     MIDI_NotifyClient(wDevID, MOM_DONE, (DWORD_PTR)lpMidiHdr, 0L);
 453     return MMSYSERR_NOERROR;
 454 }
 455
 456 /**************************************************************************
 457  *                      MIDIOut_Prepare                         [internal]
 458  */
 459 static DWORD MIDIOut_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 460 {
 461     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 462
 463     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 464         return MMSYSERR_INVALPARAM;
 465     if (lpMidiHdr->dwFlags & MHDR_PREPARED)
 466         return MMSYSERR_NOERROR;
 467
 468     lpMidiHdr->lpNext = 0;
 469     lpMidiHdr->dwFlags |= MHDR_PREPARED;
 470     lpMidiHdr->dwFlags &= ~(MHDR_DONE|MHDR_INQUEUE); /* flags cleared since w2k */
 471     return MMSYSERR_NOERROR;
 472 }
 473
 474 /**************************************************************************
 475  *                              MIDIOut_Unprepare                       [internal]
 476  */
 477 static DWORD MIDIOut_Unprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 478 {
 479     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 480
 481     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 482         return MMSYSERR_INVALPARAM;
 483     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 484         return MMSYSERR_NOERROR;
 485     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 486         return MIDIERR_STILLPLAYING;
 487
 488     lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
 489     return MMSYSERR_NOERROR;
 490 }
 491
 492 static DWORD MIDIOut_GetDevCaps(WORD wDevID, LPMIDIOUTCAPSW lpCaps, DWORD dwSize)
 493 {
 494     TRACE("wDevID=%d lpCaps=%p dwSize=%d\n", wDevID, lpCaps, dwSize);
 495
 496     if (lpCaps == NULL) {
 497         WARN("Invalid Parameter\n");
 498         return MMSYSERR_INVALPARAM;
 499     }
 500
 501     if (wDevID >= MIDIOut_NumDevs) {
 502         WARN("bad device ID : %d\n", wDevID);
 503         return MMSYSERR_BADDEVICEID;
 504     }
 505     memcpy(lpCaps, &destinations[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 506     return MMSYSERR_NOERROR;
 507 }
 508
 509 static DWORD MIDIOut_GetNumDevs(void)
 510 {
 511     TRACE("\n");
 512     return MIDIOut_NumDevs;
 513 }
 514
 515 static DWORD MIDIOut_GetVolume(WORD wDevID, DWORD *lpdwVolume)
 516 {
 517     TRACE("%d\n", wDevID);
 518
 519     if (wDevID >= MIDIOut_NumDevs) {
 520         WARN("bad device ID : %d\n", wDevID);
 521         return MMSYSERR_BADDEVICEID;
 522     }
 523     if (lpdwVolume == NULL) {
 524         WARN("Invalid Parameter\n");
 525         return MMSYSERR_INVALPARAM;
 526     }
 527
 528     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 529     {
 530         float left;
 531         float right;
 532         AudioUnit_GetVolume(destinations[wDevID].synth, &left, &right);
 533
 534         *lpdwVolume = (WORD) (left * 0xFFFF) + ((WORD) (right * 0xFFFF) << 16);
 535
 536         return MMSYSERR_NOERROR;
 537     }
 538
 539     return MMSYSERR_NOTSUPPORTED;
 540 }
 541
 542 static DWORD MIDIOut_SetVolume(WORD wDevID, DWORD dwVolume)
 543 {
 544     TRACE("%d\n", wDevID);
 545
 546     if (wDevID >= MIDIOut_NumDevs) {
 547         WARN("bad device ID : %d\n", wDevID);
 548         return MMSYSERR_BADDEVICEID;
 549     }
 550     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 551     {
 552         float left;
 553         float right;
 554
 555         left  = LOWORD(dwVolume) / 65535.0f;
 556         right = HIWORD(dwVolume) / 65535.0f;
 557         AudioUnit_SetVolume(destinations[wDevID].synth, left, right);
 558
 559         return MMSYSERR_NOERROR;
 560     }
 561
 562     return MMSYSERR_NOTSUPPORTED;
 563 }
 564
 565 static DWORD MIDIOut_Reset(WORD wDevID)
 566 {
 567     unsigned chn;
 568
 569     TRACE("%d\n", wDevID);
 570
 571     if (wDevID >= MIDIOut_NumDevs) {
 572         WARN("bad device ID : %d\n", wDevID);
 573         return MMSYSERR_BADDEVICEID;
 574     }
 575     if (destinations[wDevID].caps.wTechnology == MOD_SYNTH)
 576     {
 577         for (chn = 0; chn < 16; chn++) {
 578             /* turn off every note */
 579             MusicDeviceMIDIEvent(destinations[wDevID].synth, 0xB0 | chn, 0x7B, 0, 0);
 580             /* remove sustain on channel */
 581             MusicDeviceMIDIEvent(destinations[wDevID].synth, 0xB0 | chn, 0x40, 0, 0);
 582         }
 583     }
 584     else FIXME("MOD_MIDIPORT\n");
 585
 586     /* FIXME: the LongData buffers must also be returned to the app */
 587     return MMSYSERR_NOERROR;
 588 }
 589
 590 static DWORD MIDIIn_Open(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
 591 {
 592     TRACE("wDevID=%d lpDesc=%p dwFlags=%08x\n", wDevID, lpDesc, dwFlags);
 593
 594     if (lpDesc == NULL) {
 595         WARN("Invalid Parameter\n");
 596         return MMSYSERR_INVALPARAM;
 597     }
 598     if (wDevID >= MIDIIn_NumDevs) {
 599         WARN("bad device ID : %d\n", wDevID);
 600         return MMSYSERR_BADDEVICEID;
 601     }
 602     if (sources[wDevID].midiDesc.hMidi != 0) {
 603         WARN("device already open !\n");
 604         return MMSYSERR_ALLOCATED;
 605     }
 606     if ((dwFlags & MIDI_IO_STATUS) != 0) {
 607         WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
 608         dwFlags &= ~MIDI_IO_STATUS;
 609     }
 610     if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
 611         FIXME("Bad dwFlags\n");
 612         return MMSYSERR_INVALFLAG;
 613     }
 614
 615     sources[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
 616     sources[wDevID].lpQueueHdr = NULL;
 617     sources[wDevID].midiDesc = *lpDesc;
 618     sources[wDevID].startTime = 0;
 619     sources[wDevID].state = 0;
 620
 621     MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L);
 622     return MMSYSERR_NOERROR;
 623 }
 624
 625 static DWORD MIDIIn_Close(WORD wDevID)
 626 {
 627     DWORD ret = MMSYSERR_NOERROR;
 628
 629     TRACE("wDevID=%d\n", wDevID);
 630
 631     if (wDevID >= MIDIIn_NumDevs) {
 632         WARN("bad device ID : %d\n", wDevID);
 633         return MMSYSERR_BADDEVICEID;
 634     }
 635
 636     if (sources[wDevID].midiDesc.hMidi == 0) {
 637         WARN("device not opened !\n");
 638         return MMSYSERR_ERROR;
 639     }
 640     if (sources[wDevID].lpQueueHdr != 0) {
 641         return MIDIERR_STILLPLAYING;
 642     }
 643
 644     MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L);
 645     sources[wDevID].midiDesc.hMidi = 0;
 646     return ret;
 647 }
 648
 649 static DWORD MIDIIn_AddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 650 {
 651     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 652
 653     if (wDevID >= MIDIIn_NumDevs) {
 654         WARN("bad device ID : %d\n", wDevID);
 655         return MMSYSERR_BADDEVICEID;
 656     }
 657     if (lpMidiHdr == NULL) {
 658         WARN("Invalid Parameter\n");
 659         return MMSYSERR_INVALPARAM;
 660     }
 661     if (dwSize < offsetof(MIDIHDR,dwOffset)) {
 662         WARN("Invalid Parameter\n");
 663         return MMSYSERR_INVALPARAM;
 664     }
 665     if (lpMidiHdr->dwBufferLength == 0) {
 666         WARN("Invalid Parameter\n");
 667         return MMSYSERR_INVALPARAM;
 668     }
 669     if (lpMidiHdr->dwFlags & MHDR_INQUEUE) {
 670         WARN("Still playing\n");
 671         return MIDIERR_STILLPLAYING;
 672     }
 673     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) {
 674         WARN("Unprepared\n");
 675         return MIDIERR_UNPREPARED;
 676     }
 677
 678     EnterCriticalSection(&midiInLock);
 679     lpMidiHdr->dwFlags &= ~WHDR_DONE;
 680     lpMidiHdr->dwFlags |= MHDR_INQUEUE;
 681     lpMidiHdr->dwBytesRecorded = 0;
 682     lpMidiHdr->lpNext = 0;
 683     if (sources[wDevID].lpQueueHdr == 0) {
 684         sources[wDevID].lpQueueHdr = lpMidiHdr;
 685     } else {
 686         LPMIDIHDR ptr;
 687         for (ptr = sources[wDevID].lpQueueHdr;
 688              ptr->lpNext != 0;
 689              ptr = ptr->lpNext);
 690         ptr->lpNext = lpMidiHdr;
 691     }
 692     LeaveCriticalSection(&midiInLock);
 693
 694     return MMSYSERR_NOERROR;
 695 }
 696
 697 static DWORD MIDIIn_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 698 {
 699     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 700
 701     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 702         return MMSYSERR_INVALPARAM;
 703     if (lpMidiHdr->dwFlags & MHDR_PREPARED)
 704         return MMSYSERR_NOERROR;
 705
 706     lpMidiHdr->lpNext = 0;
 707     lpMidiHdr->dwFlags |= MHDR_PREPARED;
 708     lpMidiHdr->dwFlags &= ~(MHDR_DONE|MHDR_INQUEUE); /* flags cleared since w2k */
 709     return MMSYSERR_NOERROR;
 710 }
 711
 712 static DWORD MIDIIn_Unprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
 713 {
 714     TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
 715
 716     if (dwSize < offsetof(MIDIHDR,dwOffset) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0)
 717         return MMSYSERR_INVALPARAM;
 718     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
 719         return MMSYSERR_NOERROR;
 720     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
 721         return MIDIERR_STILLPLAYING;
 722
 723     lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
 724     return MMSYSERR_NOERROR;
 725 }
 726
 727 static DWORD MIDIIn_GetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize)
 728 {
 729     TRACE("wDevID=%d lpCaps=%p dwSize=%d\n", wDevID, lpCaps, dwSize);
 730
 731     if (lpCaps == NULL) {
 732         WARN("Invalid Parameter\n");
 733         return MMSYSERR_INVALPARAM;
 734     }
 735
 736     if (wDevID >= MIDIIn_NumDevs) {
 737         WARN("bad device ID : %d\n", wDevID);
 738         return MMSYSERR_BADDEVICEID;
 739     }
 740     memcpy(lpCaps, &sources[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
 741     return MMSYSERR_NOERROR;
 742 }
 743
 744 static DWORD MIDIIn_GetNumDevs(void)
 745 {
 746     TRACE("\n");
 747     return MIDIIn_NumDevs;
 748 }
 749
 750 static DWORD MIDIIn_Start(WORD wDevID)
 751 {
 752     TRACE("%d\n", wDevID);
 753
 754     if (wDevID >= MIDIIn_NumDevs) {
 755         WARN("bad device ID : %d\n", wDevID);
 756         return MMSYSERR_BADDEVICEID;
 757     }
 758     sources[wDevID].state = 1;
 759     sources[wDevID].startTime = GetTickCount();
 760     return MMSYSERR_NOERROR;
 761 }
 762
 763 static DWORD MIDIIn_Stop(WORD wDevID)
 764 {
 765     TRACE("%d\n", wDevID);
 766     if (wDevID >= MIDIIn_NumDevs) {
 767         WARN("bad device ID : %d\n", wDevID);
 768         return MMSYSERR_BADDEVICEID;
 769     }
 770     sources[wDevID].state = 0;
 771     return MMSYSERR_NOERROR;
 772 }
 773
 774 static DWORD MIDIIn_Reset(WORD wDevID)
 775 {
 776     DWORD dwTime = GetTickCount();
 777
 778     TRACE("%d\n", wDevID);
 779     if (wDevID >= MIDIIn_NumDevs) {
 780         WARN("bad device ID : %d\n", wDevID);
 781         return MMSYSERR_BADDEVICEID;
 782     }
 783
 784     EnterCriticalSection(&midiInLock);
 785     while (sources[wDevID].lpQueueHdr) {
 786         LPMIDIHDR lpMidiHdr = sources[wDevID].lpQueueHdr;
 787         sources[wDevID].lpQueueHdr = lpMidiHdr->lpNext;
 788         lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 789         lpMidiHdr->dwFlags |= MHDR_DONE;
 790         /* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */
 791         MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, dwTime);
 792     }
 793     LeaveCriticalSection(&midiInLock);
 794
 795     return MMSYSERR_NOERROR;
 796 }
 797
 798 /*
 799  * MIDI In Mach message handling
 800  */
 801
 802 /*
 803  *  Call from CoreMIDI IO threaded callback,
 804  *  we can't call Wine debug channels, critical section or anything using NtCurrentTeb here.
 805  */
 806 void MIDIIn_SendMessage(UInt16 devID, const void *buffer, UInt16 length)
 807 {
 808     MIDIMessage msg;
 809     CFMutableDataRef data;
 810
 811     CFMessagePortRef messagePort;
 812     messagePort = CFMessagePortCreateRemote(kCFAllocatorDefault, MIDIInThreadPortName);
 813
 814     msg.devID = devID;
 815     msg.length = length;
 816
 817     data = CFDataCreateMutable(kCFAllocatorDefault, sizeof(msg) + length);
 818     if (data)
 819     {
 820         CFDataAppendBytes(data, (UInt8 *) &msg, sizeof(msg));
 821         CFDataAppendBytes(data, buffer, length);
 822         CFMessagePortSendRequest(messagePort, 0, data, 0.0, 0.0, NULL, NULL);
 823         CFRelease(data);
 824     }
 825     CFRelease(messagePort);
 826 }
 827
 828 static CFDataRef MIDIIn_MessageHandler(CFMessagePortRef local, SInt32 msgid, CFDataRef data, void *info)
 829 {
 830     MIDIMessage *msg = NULL;
 831     int i = 0;
 832     MIDISource *src = NULL;
 833     DWORD sendData = 0;
 834     int pos = 0;
 835     DWORD currentTime;
 836     BOOL sysexStart;
 837
 838     switch (msgid)
 839     {
 840         case 0:
 841             msg = (MIDIMessage *) CFDataGetBytePtr(data);
 842             TRACE("devID=%d\n", msg->devID);
 843              for (i = 0; i < msg->length; ++i) {
 844                 TRACE("%02X ", msg->data[i]);
 845             }
 846             TRACE("\n");
 847             src = &sources[msg->devID];
 848             if (src->state < 1)
 849             {
 850                 TRACE("input not started, thrown away\n");
 851                 return NULL;
 852             }
 853
 854             sysexStart = (msg->data[0] == 0xF0);
 855
 856             if (sysexStart || src->state & 2) {
 857                 int pos = 0;
 858                 int len = msg->length;
 859
 860                 if (sysexStart) {
 861                     TRACE("Receiving sysex message\n");
 862                     src->state |= 2;
 863                 }
 864
 865                 EnterCriticalSection(&midiInLock);
 866                 currentTime = GetTickCount() - src->startTime;
 867
 868                 while (len) {
 869                     LPMIDIHDR lpMidiHdr = src->lpQueueHdr;
 870
 871                     if (lpMidiHdr != NULL) {
 872                         int copylen = min(len, lpMidiHdr->dwBufferLength - lpMidiHdr->dwBytesRecorded);
 873                         memcpy(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded, msg->data + pos, copylen);
 874                         lpMidiHdr->dwBytesRecorded += copylen;
 875                         len -= copylen;
 876                         pos += copylen;
 877
 878                         TRACE("Copied %d bytes of sysex message\n", copylen);
 879
 880                         if ((lpMidiHdr->dwBytesRecorded == lpMidiHdr->dwBufferLength) ||
 881                             (*(BYTE*)(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded - 1) == 0xF7)) {
 882                             TRACE("Sysex message complete (or buffer limit reached), dispatching %d bytes\n", lpMidiHdr->dwBytesRecorded);
 883                             src->lpQueueHdr = lpMidiHdr->lpNext;
 884                             lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
 885                             lpMidiHdr->dwFlags |= MHDR_DONE;
 886                             MIDI_NotifyClient(msg->devID, MIM_LONGDATA, (DWORD_PTR)lpMidiHdr, currentTime);
 887                             src->state &= ~2;
 888                         }
 889                     }
 890                     else {
 891                         FIXME("Sysex data received but no buffer to store it!\n");
 892                         break;
 893                     }
 894                 }
 895
 896                 LeaveCriticalSection(&midiInLock);
 897                 return NULL;
 898             }
 899
 900             EnterCriticalSection(&midiInLock);
 901             currentTime = GetTickCount() - src->startTime;
 902
 903             while (pos < msg->length)
 904             {
 905                 sendData = 0;
 906                 switch (msg->data[pos] & 0xF0)
 907                 {
 908                     case 0xF0:
 909                         sendData = (msg->data[pos] <<  0);
 910                         pos++;
 911                         break;
 912
 913                     case 0xC0:
 914                     case 0xD0:
 915                         sendData = (msg->data[pos + 1] <<  8) | (msg->data[pos] <<  0);
 916                         pos += 2;
 917                         break;
 918                     default:
 919                         sendData = (msg->data[pos + 2] << 16) |
 920                                     (msg->data[pos + 1] <<  8) |
 921                                     (msg->data[pos] <<  0);
 922                         pos += 3;
 923                         break;
 924                 }
 925                 MIDI_NotifyClient(msg->devID, MIM_DATA, sendData, currentTime);
 926             }
 927             LeaveCriticalSection(&midiInLock);
 928             break;
 929         default:
 930             CFRunLoopStop(CFRunLoopGetCurrent());
 931             break;
 932     }
 933     return NULL;
 934 }
 935
 936 static DWORD WINAPI MIDIIn_MessageThread(LPVOID p)
 937 {
 938     CFMessagePortRef local;
 939     CFRunLoopSourceRef source;
 940     Boolean info;
 941
 942     local = CFMessagePortCreateLocal(kCFAllocatorDefault, MIDIInThreadPortName, &MIDIIn_MessageHandler, NULL, &info);
 943
 944     source = CFMessagePortCreateRunLoopSource(kCFAllocatorDefault, local, 0);
 945     CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
 946
 947     CFRunLoopRun();
 948
 949     CFRunLoopSourceInvalidate(source);
 950     CFRelease(source);
 951     CFRelease(local);
 952     CFRelease(MIDIInThreadPortName);
 953     MIDIInThreadPortName = NULL;
 954
 955     return 0;
 956 }
 957
 958 /**************************************************************************
 959 *                               modMessage
 960 */
 961 DWORD WINAPI CoreAudio_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
 962 {
 963     TRACE("%d %08x %08x %08x %08x\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
 964
 965     switch (wMsg) {
 966         case DRVM_INIT:
 967         case DRVM_EXIT:
 968         case DRVM_ENABLE:
 969         case DRVM_DISABLE:
 970             return 0;
 971         case MODM_OPEN:
 972             return MIDIOut_Open(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
 973         case MODM_CLOSE:
 974             return MIDIOut_Close(wDevID);
 975         case MODM_DATA:
 976             return MIDIOut_Data(wDevID, dwParam1);
 977         case MODM_LONGDATA:
 978             return MIDIOut_LongData(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
 979         case MODM_PREPARE:
 980             return MIDIOut_Prepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
 981         case MODM_UNPREPARE:
 982             return MIDIOut_Unprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
 983         case MODM_GETDEVCAPS:
 984             return MIDIOut_GetDevCaps(wDevID, (LPMIDIOUTCAPSW) dwParam1, dwParam2);
 985         case MODM_GETNUMDEVS:
 986             return MIDIOut_GetNumDevs();
 987         case MODM_GETVOLUME:
 988             return MIDIOut_GetVolume(wDevID, (DWORD*)dwParam1);
 989         case MODM_SETVOLUME:
 990             return MIDIOut_SetVolume(wDevID, dwParam1);
 991         case MODM_RESET:
 992             return MIDIOut_Reset(wDevID);
 993         default:
 994             TRACE("Unsupported message (08%x)\n", wMsg);
 995     }
 996     return MMSYSERR_NOTSUPPORTED;
 997 }
 998
 999 /**************************************************************************
1000 *                       midMessage
1001 */
1002 DWORD WINAPI CoreAudio_midMessage(UINT wDevID, UINT wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
1003 {
1004     TRACE("%d %08x %08x %08x %08x\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
1005     switch (wMsg) {
1006         case DRVM_INIT:
1007         case DRVM_EXIT:
1008         case DRVM_ENABLE:
1009         case DRVM_DISABLE:
1010             return 0;
1011         case MIDM_OPEN:
1012             return MIDIIn_Open(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
1013         case MIDM_CLOSE:
1014             return MIDIIn_Close(wDevID);
1015         case MIDM_ADDBUFFER:
1016             return MIDIIn_AddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1017         case MIDM_PREPARE:
1018             return MIDIIn_Prepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1019         case MIDM_UNPREPARE:
1020             return MIDIIn_Unprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1021         case MIDM_GETDEVCAPS:
1022             return MIDIIn_GetDevCaps(wDevID, (LPMIDIINCAPSW) dwParam1, dwParam2);
1023         case MIDM_GETNUMDEVS:
1024             return MIDIIn_GetNumDevs();
1025         case MIDM_START:
1026             return MIDIIn_Start(wDevID);
1027         case MIDM_STOP:
1028             return MIDIIn_Stop(wDevID);
1029         case MIDM_RESET:
1030             return MIDIIn_Reset(wDevID);
1031         default:
1032             TRACE("Unsupported message\n");
1033     }
1034     return MMSYSERR_NOTSUPPORTED;
1035 }