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Release 20030408.
[wine/gsoc-2012-control.git] / dlls / winmm / wineoss / midi.c
blob96c505e2df4746fa0b35965d81524cbaaa45a38a
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2
3 /*
4 * Sample MIDI Wine Driver for Open Sound System (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 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public
16 * License as published by the Free Software Foundation; either
17 * version 2.1 of the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 */
28
29 #include "config.h"
30
31 #include <string.h>
32 #include <stdio.h>
33 #ifdef HAVE_UNISTD_H
34 # include <unistd.h>
35 #endif
36 #include <fcntl.h>
37 #ifdef HAVE_SYS_IOCTL_H
38 # include <sys/ioctl.h>
39 #endif
40
41 #include "windef.h"
42 #include "winbase.h"
43 #include "wingdi.h"
44 #include "winuser.h"
45 #include "mmddk.h"
46 #include "oss.h"
47 #include "wine/debug.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(midi);
50
51 #ifdef HAVE_OSS_MIDI
52
53 #define MIDI_SEQ "/dev/sequencer"
54
55 typedef struct {
56 int state; /* -1 disabled, 0 is no recording started, 1 in recording, bit 2 set if in sys exclusive recording */
57 DWORD bufsize;
58 MIDIOPENDESC midiDesc;
59 WORD wFlags;
60 LPMIDIHDR lpQueueHdr;
61 DWORD dwTotalPlayed;
62 unsigned char incoming[3];
63 unsigned char incPrev;
64 char incLen;
65 DWORD startTime;
66 MIDIINCAPSA caps;
67 } WINE_MIDIIN;
68
69 typedef struct {
70 BOOL bEnabled;
71 DWORD bufsize;
72 MIDIOPENDESC midiDesc;
73 WORD wFlags;
74 LPMIDIHDR lpQueueHdr;
75 DWORD dwTotalPlayed;
76 void* lpExtra; /* according to port type (MIDI, FM...), extra data when needed */
77 MIDIOUTCAPSA caps;
78 } WINE_MIDIOUT;
79
80 static WINE_MIDIIN MidiInDev [MAX_MIDIINDRV ];
81 static WINE_MIDIOUT MidiOutDev[MAX_MIDIOUTDRV];
82
83 /* this is the total number of MIDI out devices found (synth and port) */
84 static int MODM_NumDevs = 0;
85 /* this is the number of FM synthetizers (index from 0 to NUMFMSYNTHDEVS - 1) */
86 static int MODM_NumFMSynthDevs = 0;
87 /* the Midi ports have index from NUMFMSYNTHDEVS to NumDevs - 1 */
88
89 /* this is the total number of MIDI out devices found */
90 static int MIDM_NumDevs = 0;
91
92 static int midiSeqFD = -1;
93 static int numOpenMidiSeq = 0;
94 static UINT midiInTimerID = 0;
95 static int numStartedMidiIn = 0;
96
97 /*======================================================================*
98 * Low level MIDI implementation *
99 *======================================================================*/
100
101 static int midiOpenSeq(void);
102 static int midiCloseSeq(void);
103
104 /**************************************************************************
105 * MIDI_unixToWindowsDeviceType [internal]
106 *
107 * return the Windows equivalent to a Unix Device Type
108 *
109 */
110 static int MIDI_UnixToWindowsDeviceType(int type)
111 {
112 /* MOD_MIDIPORT output port
113 * MOD_SYNTH generic internal synth
114 * MOD_SQSYNTH square wave internal synth
115 * MOD_FMSYNTH FM internal synth
116 * MOD_MAPPER MIDI mapper
117 */
118
119 /* FIXME Is this really the correct equivalence from UNIX to
120 Windows Sound type */
121
122 switch (type) {
123 case SYNTH_TYPE_FM: return MOD_FMSYNTH;
124 case SYNTH_TYPE_SAMPLE: return MOD_SYNTH;
125 case SYNTH_TYPE_MIDI: return MOD_MIDIPORT;
126 default:
127 ERR("Cannot determine the type of this midi device. "
128 "Assuming FM Synth\n");
129 return MOD_FMSYNTH;
130 }
131 return MOD_FMSYNTH;
132 }
133
134 /**************************************************************************
135 * OSS_MidiInit [internal]
136 *
137 * Initializes the MIDI devices information variables
138 */
139 BOOL OSS_MidiInit(void)
140 {
141 int i, status, numsynthdevs = 255, nummididevs = 255;
142 struct synth_info sinfo;
143 struct midi_info minfo;
144 static BOOL bInitDone = FALSE;
145
146 if (bInitDone)
147 return TRUE;
148
149 TRACE("Initializing the MIDI variables.\n");
150 bInitDone = TRUE;
151
152 /* try to open device */
153 if (midiOpenSeq() == -1) {
154 return TRUE;
155 }
156
157 /* find how many Synth devices are there in the system */
158 status = ioctl(midiSeqFD, SNDCTL_SEQ_NRSYNTHS, &numsynthdevs);
159
160 if (status == -1) {
161 ERR("ioctl for nr synth failed.\n");
162 midiCloseSeq();
163 return TRUE;
164 }
165
166 if (numsynthdevs > MAX_MIDIOUTDRV) {
167 ERR("MAX_MIDIOUTDRV (%d) was enough for the number of devices (%d). "
168 "Some FM devices will not be available.\n",MAX_MIDIOUTDRV,numsynthdevs);
169 numsynthdevs = MAX_MIDIOUTDRV;
170 }
171
172 for (i = 0; i < numsynthdevs; i++) {
173 /* Manufac ID. We do not have access to this with soundcard.h
174 * Does not seem to be a problem, because in mmsystem.h only
175 * Microsoft's ID is listed.
176 */
177 MidiOutDev[i].caps.wMid = 0x00FF;
178 MidiOutDev[i].caps.wPid = 0x0001; /* FIXME Product ID */
179 /* Product Version. We simply say "1" */
180 MidiOutDev[i].caps.vDriverVersion = 0x001;
181 MidiOutDev[i].caps.wChannelMask = 0xFFFF;
182
183 /* FIXME Do we have this information?
184 * Assuming the soundcards can handle
185 * MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but
186 * not MIDICAPS_CACHE.
187 */
188 MidiOutDev[i].caps.dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
189
190 sinfo.device = i;
191 status = ioctl(midiSeqFD, SNDCTL_SYNTH_INFO, &sinfo);
192 if (status == -1) {
193 ERR("ioctl for synth info failed on %d, disabling it.\n", i);
194
195 sprintf(MidiOutDev[i].caps.szPname, "Wine OSS Midi Out (#%d) - disabled", i);
196
197 MidiOutDev[i].caps.wTechnology = MOD_MIDIPORT;
198 MidiOutDev[i].caps.wVoices = 16;
199 MidiOutDev[i].caps.wNotes = 16;
200 MidiOutDev[i].bEnabled = FALSE;
201 } else {
202 strcpy(MidiOutDev[i].caps.szPname, sinfo.name);
203
204 MidiOutDev[i].caps.wTechnology = MIDI_UnixToWindowsDeviceType(sinfo.synth_type);
205 MidiOutDev[i].caps.wVoices = sinfo.nr_voices;
206
207 /* FIXME Is it possible to know the maximum
208 * number of simultaneous notes of a soundcard ?
209 * I believe we don't have this information, but
210 * it's probably equal or more than wVoices
211 */
212 MidiOutDev[i].caps.wNotes = sinfo.nr_voices;
213 MidiOutDev[i].bEnabled = TRUE;
214 }
215
216 /* We also have the information sinfo.synth_subtype, not used here
217 */
218
219 if (sinfo.capabilities & SYNTH_CAP_INPUT) {
220 FIXME("Synthesizer support MIDI in. Not supported yet (please report)\n");
221 }
222
223 TRACE("SynthOut[%d]\tname='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%ld\n"
224 "\tOSS info: synth subtype=%d capa=%lx\n",
225 i, MidiOutDev[i].caps.szPname, MidiOutDev[i].caps.wTechnology,
226 MidiOutDev[i].caps.wVoices, MidiOutDev[i].caps.wNotes,
227 MidiOutDev[i].caps.wChannelMask, MidiOutDev[i].caps.dwSupport,
228 sinfo.synth_subtype, (long)sinfo.capabilities);
229 }
230
231 /* find how many MIDI devices are there in the system */
232 status = ioctl(midiSeqFD, SNDCTL_SEQ_NRMIDIS, &nummididevs);
233 if (status == -1) {
234 ERR("ioctl on nr midi failed.\n");
235 nummididevs = 0;
236 goto wrapup;
237 }
238
239 /* FIXME: the two restrictions below could be loosen in some cases */
240 if (numsynthdevs + nummididevs > MAX_MIDIOUTDRV) {
241 ERR("MAX_MIDIOUTDRV was not enough for the number of devices. "
242 "Some MIDI devices will not be available.\n");
243 nummididevs = MAX_MIDIOUTDRV - numsynthdevs;
244 }
245
246 if (nummididevs > MAX_MIDIINDRV) {
247 ERR("MAX_MIDIINDRV (%d) was not enough for the number of devices (%d). "
248 "Some MIDI devices will not be available.\n",MAX_MIDIINDRV,nummididevs);
249 nummididevs = MAX_MIDIINDRV;
250 }
251
252 for (i = 0; i < nummididevs; i++) {
253 minfo.device = i;
254 status = ioctl(midiSeqFD, SNDCTL_MIDI_INFO, &minfo);
255 if (status == -1) WARN("ioctl on midi info for device %d failed.\n", i);
256
257 /* This whole part is somewhat obscure to me. I'll keep trying to dig
258 info about it. If you happen to know, please tell us. The very
259 descritive minfo.dev_type was not used here.
260 */
261 /* Manufac ID. We do not have access to this with soundcard.h
262 Does not seem to be a problem, because in mmsystem.h only
263 Microsoft's ID is listed */
264 MidiOutDev[numsynthdevs + i].caps.wMid = 0x00FF;
265 MidiOutDev[numsynthdevs + i].caps.wPid = 0x0001; /* FIXME Product ID */
266 /* Product Version. We simply say "1" */
267 MidiOutDev[numsynthdevs + i].caps.vDriverVersion = 0x001;
268 if (status == -1) {
269 sprintf(MidiOutDev[numsynthdevs + i].caps.szPname, "Wine OSS Midi Out (#%d) - disabled", numsynthdevs + i);
270 MidiOutDev[numsynthdevs + i].bEnabled = FALSE;
271 } else {
272 strcpy(MidiOutDev[numsynthdevs + i].caps.szPname, minfo.name);
273 MidiOutDev[numsynthdevs + i].bEnabled = TRUE;
274 }
275 MidiOutDev[numsynthdevs + i].caps.wTechnology = MOD_MIDIPORT; /* FIXME Is this right? */
276 /* Does it make any difference? */
277 MidiOutDev[numsynthdevs + i].caps.wVoices = 16;
278 /* Does it make any difference? */
279 MidiOutDev[numsynthdevs + i].caps.wNotes = 16;
280 MidiOutDev[numsynthdevs + i].caps.wChannelMask= 0xFFFF;
281
282 /* FIXME Does it make any difference? */
283 MidiOutDev[numsynthdevs + i].caps.dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
284
285 /* This whole part is somewhat obscure to me. I'll keep trying to dig
286 info about it. If you happen to know, please tell us. The very
287 descritive minfo.dev_type was not used here.
288 */
289 /* Manufac ID. We do not have access to this with soundcard.h
290 Does not seem to be a problem, because in mmsystem.h only
291 Microsoft's ID is listed */
292 MidiInDev[i].caps.wMid = 0x00FF;
293 MidiInDev[i].caps.wPid = 0x0001; /* FIXME Product ID */
294 /* Product Version. We simply say "1" */
295 MidiInDev[i].caps.vDriverVersion = 0x001;
296 if (status == -1) {
297 sprintf(MidiInDev[i].caps.szPname, "Wine OSS Midi In (#%d) - disabled", numsynthdevs + i);
298 MidiInDev[i].state = -1;
299 } else {
300 strcpy(MidiInDev[i].caps.szPname, minfo.name);
301 MidiInDev[i].state = 0;
302 }
303 /* FIXME : could we get better information than that ? */
304 MidiInDev[i].caps.dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
305
306 TRACE("MidiOut[%d]\tname='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%ld\n"
307 "MidiIn [%d]\tname='%s' support=%ld\n"
308 "\tOSS info: midi dev-type=%d, capa=%lx\n",
309 i, MidiOutDev[numsynthdevs + i].caps.szPname, MidiOutDev[numsynthdevs + i].caps.wTechnology,
310 MidiOutDev[numsynthdevs + i].caps.wVoices, MidiOutDev[numsynthdevs + i].caps.wNotes,
311 MidiOutDev[numsynthdevs + i].caps.wChannelMask, MidiOutDev[numsynthdevs + i].caps.dwSupport,
312 i, MidiInDev[i].caps.szPname, MidiInDev[i].caps.dwSupport,
313 minfo.dev_type, (long)minfo.capabilities);
314 }
315
316 wrapup:
317 /* windows does not seem to differentiate Synth from MIDI devices */
318 MODM_NumFMSynthDevs = numsynthdevs;
319 MODM_NumDevs = numsynthdevs + nummididevs;
320
321 MIDM_NumDevs = nummididevs;
322
323 /* close file and exit */
324 midiCloseSeq();
325
326 return TRUE;
327 }
328
329 /**************************************************************************
330 * MIDI_NotifyClient [internal]
331 */
332 static DWORD MIDI_NotifyClient(UINT wDevID, WORD wMsg,
333 DWORD dwParam1, DWORD dwParam2)
334 {
335 DWORD dwCallBack;
336 UINT uFlags;
337 HANDLE hDev;
338 DWORD dwInstance;
339
340 TRACE("wDevID = %04X wMsg = %d dwParm1 = %04lX dwParam2 = %04lX\n",
341 wDevID, wMsg, dwParam1, dwParam2);
342
343 switch (wMsg) {
344 case MOM_OPEN:
345 case MOM_CLOSE:
346 case MOM_DONE:
347 if (wDevID > MODM_NumDevs)
348 return MMSYSERR_BADDEVICEID;
349
350 dwCallBack = MidiOutDev[wDevID].midiDesc.dwCallback;
351 uFlags = MidiOutDev[wDevID].wFlags;
352 hDev = MidiOutDev[wDevID].midiDesc.hMidi;
353 dwInstance = MidiOutDev[wDevID].midiDesc.dwInstance;
354 break;
355
356 case MIM_OPEN:
357 case MIM_CLOSE:
358 case MIM_DATA:
359 case MIM_ERROR:
360 if (wDevID > MIDM_NumDevs)
361 return MMSYSERR_BADDEVICEID;
362
363 dwCallBack = MidiInDev[wDevID].midiDesc.dwCallback;
364 uFlags = MidiInDev[wDevID].wFlags;
365 hDev = MidiInDev[wDevID].midiDesc.hMidi;
366 dwInstance = MidiInDev[wDevID].midiDesc.dwInstance;
367 break;
368 default:
369 WARN("Unsupported MSW-MIDI message %u\n", wMsg);
370 return MMSYSERR_ERROR;
371 }
372
373 return DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2) ?
374 0 : MMSYSERR_ERROR;
375 }
376
377 static int midi_warn = 1;
378 /**************************************************************************
379 * midiOpenSeq [internal]
380 */
381 static int midiOpenSeq(void)
382 {
383 if (numOpenMidiSeq == 0) {
384 midiSeqFD = open(MIDI_SEQ, O_RDWR, 0);
385 if (midiSeqFD == -1) {
386 if (midi_warn)
387 {
388 WARN("Can't open MIDI device '%s' ! (%s). If your "
389 "program needs this (probably not): %s\n",
390 MIDI_SEQ, strerror(errno),
391 errno == ENOENT ?
392 "create it ! (\"man MAKEDEV\" ?)" :
393 errno == ENODEV ?
394 "load MIDI sequencer kernel driver !" :
395 errno == EACCES ?
396 "grant access ! (\"man chmod\")" : ""
397 );
398 }
399 midi_warn = 0;
400 return -1;
401 }
402 if (fcntl(midiSeqFD, F_SETFL, O_NONBLOCK) < 0) {
403 WARN("can't set sequencer fd to non-blocking, errno %d (%s)\n", errno, strerror(errno));
404 close(midiSeqFD);
405 midiSeqFD = -1;
406 return -1;
407 }
408 fcntl(midiSeqFD, F_SETFD, 1); /* set close on exec flag */
409 ioctl(midiSeqFD, SNDCTL_SEQ_RESET);
410 }
411 numOpenMidiSeq++;
412 return 0;
413 }
414
415 /**************************************************************************
416 * midiCloseSeq [internal]
417 */
418 static int midiCloseSeq(void)
419 {
420 if (--numOpenMidiSeq == 0) {
421 close(midiSeqFD);
422 midiSeqFD = -1;
423 }
424 return 0;
425 }
426
427 /* FIXME: this is a bad idea, it's even not static... */
428 SEQ_DEFINEBUF(1024);
429
430 /* FIXME: this is not reentrant, not static - because of global variable
431 * _seqbuf and al.
432 */
433 /**************************************************************************
434 * seqbuf_dump [internal]
435 *
436 * Used by SEQ_DUMPBUF to flush the buffer.
437 *
438 */
439 void seqbuf_dump(void)
440 {
441 if (_seqbufptr) {
442 if (write(midiSeqFD, _seqbuf, _seqbufptr) == -1) {
443 WARN("Can't write data to sequencer %d, errno %d (%s)!\n",
444 midiSeqFD, errno, strerror(errno));
445 }
446 /* FIXME:
447 * in any case buffer is lost so that if many errors occur the buffer
448 * will not overrun
449 */
450 _seqbufptr = 0;
451 }
452 }
453
454 /**************************************************************************
455 * midRecieveChar [internal]
456 */
457 static void midReceiveChar(WORD wDevID, unsigned char value, DWORD dwTime)
458 {
459 DWORD toSend = 0;
460
461 TRACE("Adding %02xh to %d[%d]\n", value, wDevID, MidiInDev[wDevID].incLen);
462
463 if (wDevID >= MIDM_NumDevs) {
464 WARN("bad devID\n");
465 return;
466 }
467 if (MidiInDev[wDevID].state <= 0) {
468 TRACE("disabled or input not started, thrown away\n");
469 return;
470 }
471
472 if (MidiInDev[wDevID].state & 2) { /* system exclusive */
473 LPMIDIHDR lpMidiHdr = MidiInDev[wDevID].lpQueueHdr;
474 WORD sbfb = FALSE;
475
476 if (lpMidiHdr) {
477 LPBYTE lpData = lpMidiHdr->lpData;
478
479 lpData[lpMidiHdr->dwBytesRecorded++] = value;
480 if (lpMidiHdr->dwBytesRecorded == lpMidiHdr->dwBufferLength) {
481 sbfb = TRUE;
482 }
483 }
484 if (value == 0xF7) { /* then end */
485 MidiInDev[wDevID].state &= ~2;
486 sbfb = TRUE;
487 }
488 if (sbfb && lpMidiHdr != NULL) {
489 lpMidiHdr = MidiInDev[wDevID].lpQueueHdr;
490 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
491 lpMidiHdr->dwFlags |= MHDR_DONE;
492 MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)lpMidiHdr->lpNext;
493 if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime) != MMSYSERR_NOERROR) {
494 WARN("Couldn't notify client\n");
495 }
496 }
497 return;
498 }
499
500 #define IS_CMD(_x) (((_x) & 0x80) == 0x80)
501 #define IS_SYS_CMD(_x) (((_x) & 0xF0) == 0xF0)
502
503 if (!IS_CMD(value) && MidiInDev[wDevID].incLen == 0) { /* try to reuse old cmd */
504 if (IS_CMD(MidiInDev[wDevID].incPrev) && !IS_SYS_CMD(MidiInDev[wDevID].incPrev)) {
505 MidiInDev[wDevID].incoming[0] = MidiInDev[wDevID].incPrev;
506 MidiInDev[wDevID].incLen = 1;
507 TRACE("Reusing old command %02xh\n", MidiInDev[wDevID].incPrev);
508 } else {
509 FIXME("error for midi-in, should generate MIM_ERROR notification:"
510 " prev=%02Xh, incLen=%02Xh\n",
511 MidiInDev[wDevID].incPrev, MidiInDev[wDevID].incLen);
512 return;
513 }
514 }
515 MidiInDev[wDevID].incoming[(int)(MidiInDev[wDevID].incLen++)] = value;
516 if (MidiInDev[wDevID].incLen == 1 && !IS_SYS_CMD(MidiInDev[wDevID].incoming[0])) {
517 /* store new cmd, just in case */
518 MidiInDev[wDevID].incPrev = MidiInDev[wDevID].incoming[0];
519 }
520
521 #undef IS_CMD
522 #undef IS_SYS_CMD
523
524 switch (MidiInDev[wDevID].incoming[0] & 0xF0) {
525 case MIDI_NOTEOFF:
526 case MIDI_NOTEON:
527 case MIDI_KEY_PRESSURE:
528 case MIDI_CTL_CHANGE:
529 case MIDI_PITCH_BEND:
530 if (MidiInDev[wDevID].incLen == 3) {
531 toSend = (MidiInDev[wDevID].incoming[2] << 16) |
532 (MidiInDev[wDevID].incoming[1] << 8) |
533 (MidiInDev[wDevID].incoming[0] << 0);
534 }
535 break;
536 case MIDI_PGM_CHANGE:
537 case MIDI_CHN_PRESSURE:
538 if (MidiInDev[wDevID].incLen == 2) {
539 toSend = (MidiInDev[wDevID].incoming[1] << 8) |
540 (MidiInDev[wDevID].incoming[0] << 0);
541 }
542 break;
543 case MIDI_SYSTEM_PREFIX:
544 if (MidiInDev[wDevID].incoming[0] == 0xF0) {
545 MidiInDev[wDevID].state |= 2;
546 MidiInDev[wDevID].incLen = 0;
547 } else {
548 if (MidiInDev[wDevID].incLen == 1) {
549 toSend = (MidiInDev[wDevID].incoming[0] << 0);
550 }
551 }
552 break;
553 default:
554 WARN("This shouldn't happen (%02X)\n", MidiInDev[wDevID].incoming[0]);
555 }
556 if (toSend != 0) {
557 TRACE("Sending event %08lx\n", toSend);
558 MidiInDev[wDevID].incLen = 0;
559 dwTime -= MidiInDev[wDevID].startTime;
560 if (MIDI_NotifyClient(wDevID, MIM_DATA, toSend, dwTime) != MMSYSERR_NOERROR) {
561 WARN("Couldn't notify client\n");
562 }
563 }
564 }
565
566 static VOID WINAPI midTimeCallback(HWND hwnd, UINT msg, UINT id, DWORD dwTime)
567 {
568 unsigned char buffer[256];
569 int len, idx;
570
571 TRACE("(%p, %d, %d, %lu)\n", hwnd, msg, id, dwTime);
572
573 len = read(midiSeqFD, buffer, sizeof(buffer));
574
575 if (len < 0) return;
576 if ((len % 4) != 0) {
577 WARN("Bad length %d, errno %d (%s)\n", len, errno, strerror(errno));
578 return;
579 }
580
581 for (idx = 0; idx < len; ) {
582 if (buffer[idx] & 0x80) {
583 TRACE(
584 "Reading<8> %02x %02x %02x %02x %02x %02x %02x %02x\n",
585 buffer[idx + 0], buffer[idx + 1],
586 buffer[idx + 2], buffer[idx + 3],
587 buffer[idx + 4], buffer[idx + 5],
588 buffer[idx + 6], buffer[idx + 7]);
589 idx += 8;
590 } else {
591 switch (buffer[idx + 0]) {
592 case SEQ_WAIT:
593 case SEQ_ECHO:
594 break;
595 case SEQ_MIDIPUTC:
596 midReceiveChar(buffer[idx + 2], buffer[idx + 1], dwTime);
597 break;
598 default:
599 TRACE("Unsupported event %d\n", buffer[idx + 0]);
600 break;
601 }
602 idx += 4;
603 }
604 }
605 }
606
607 /**************************************************************************
608 * midGetDevCaps [internal]
609 */
610 static DWORD midGetDevCaps(WORD wDevID, LPMIDIINCAPSA lpCaps, DWORD dwSize)
611 {
612 TRACE("(%04X, %p, %08lX);\n", wDevID, lpCaps, dwSize);
613
614 if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
615 if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
616
617 memcpy(lpCaps, &MidiInDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
618
619 return MMSYSERR_NOERROR;
620 }
621
622 /**************************************************************************
623 * midOpen [internal]
624 */
625 static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
626 {
627 TRACE("(%04X, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
628
629 if (lpDesc == NULL) {
630 WARN("Invalid Parameter !\n");
631 return MMSYSERR_INVALPARAM;
632 }
633
634 /* FIXME :
635 * how to check that content of lpDesc is correct ?
636 */
637 if (wDevID >= MIDM_NumDevs) {
638 WARN("wDevID too large (%u) !\n", wDevID);
639 return MMSYSERR_BADDEVICEID;
640 }
641 if (MidiInDev[wDevID].state == -1) {
642 WARN("device disabled\n");
643 return MIDIERR_NODEVICE;
644 }
645 if (MidiInDev[wDevID].midiDesc.hMidi != 0) {
646 WARN("device already open !\n");
647 return MMSYSERR_ALLOCATED;
648 }
649 if ((dwFlags & MIDI_IO_STATUS) != 0) {
650 WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
651 dwFlags &= ~MIDI_IO_STATUS;
652 }
653 if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
654 FIXME("Bad dwFlags\n");
655 return MMSYSERR_INVALFLAG;
656 }
657
658 if (midiOpenSeq() < 0) {
659 return MMSYSERR_ERROR;
660 }
661
662 if (numStartedMidiIn++ == 0) {
663 midiInTimerID = SetTimer(0, 0, 250, midTimeCallback);
664 if (!midiInTimerID) {
665 numStartedMidiIn = 0;
666 WARN("Couldn't start timer for midi-in\n");
667 midiCloseSeq();
668 return MMSYSERR_ERROR;
669 }
670 TRACE("Starting timer (%u) for midi-in\n", midiInTimerID);
671 }
672
673 MidiInDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
674
675 MidiInDev[wDevID].lpQueueHdr = NULL;
676 MidiInDev[wDevID].dwTotalPlayed = 0;
677 MidiInDev[wDevID].bufsize = 0x3FFF;
678 MidiInDev[wDevID].midiDesc = *lpDesc;
679 MidiInDev[wDevID].state = 0;
680 MidiInDev[wDevID].incLen = 0;
681 MidiInDev[wDevID].startTime = 0;
682
683 if (MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) {
684 WARN("can't notify client !\n");
685 return MMSYSERR_INVALPARAM;
686 }
687 return MMSYSERR_NOERROR;
688 }
689
690 /**************************************************************************
691 * midClose [internal]
692 */
693 static DWORD midClose(WORD wDevID)
694 {
695 int ret = MMSYSERR_NOERROR;
696
697 TRACE("(%04X);\n", wDevID);
698
699 if (wDevID >= MIDM_NumDevs) {
700 WARN("wDevID too big (%u) !\n", wDevID);
701 return MMSYSERR_BADDEVICEID;
702 }
703 if (MidiInDev[wDevID].midiDesc.hMidi == 0) {
704 WARN("device not opened !\n");
705 return MMSYSERR_ERROR;
706 }
707 if (MidiInDev[wDevID].lpQueueHdr != 0) {
708 return MIDIERR_STILLPLAYING;
709 }
710
711 if (midiSeqFD == -1) {
712 WARN("ooops !\n");
713 return MMSYSERR_ERROR;
714 }
715 if (--numStartedMidiIn == 0) {
716 TRACE("Stopping timer for midi-in\n");
717 if (!KillTimer(0, midiInTimerID)) {
718 WARN("Couldn't stop timer for midi-in\n");
719 }
720 midiInTimerID = 0;
721 }
722 midiCloseSeq();
723
724 MidiInDev[wDevID].bufsize = 0;
725 if (MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) {
726 WARN("can't notify client !\n");
727 ret = MMSYSERR_INVALPARAM;
728 }
729 MidiInDev[wDevID].midiDesc.hMidi = 0;
730 return ret;
731 }
732
733 /**************************************************************************
734 * midAddBuffer [internal]
735 */
736 static DWORD midAddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
737 {
738 TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize);
739
740 if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
741 if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
742
743 if (lpMidiHdr == NULL) return MMSYSERR_INVALPARAM;
744 if (sizeof(MIDIHDR) > dwSize) return MMSYSERR_INVALPARAM;
745 if (lpMidiHdr->dwBufferLength == 0) return MMSYSERR_INVALPARAM;
746 if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
747 if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
748
749 if (MidiInDev[wDevID].lpQueueHdr == 0) {
750 MidiInDev[wDevID].lpQueueHdr = lpMidiHdr;
751 } else {
752 LPMIDIHDR ptr;
753
754 for (ptr = MidiInDev[wDevID].lpQueueHdr;
755 ptr->lpNext != 0;
756 ptr = (LPMIDIHDR)ptr->lpNext);
757 ptr->lpNext = (struct midihdr_tag*)lpMidiHdr;
758 }
759 return MMSYSERR_NOERROR;
760 }
761
762 /**************************************************************************
763 * midPrepare [internal]
764 */
765 static DWORD midPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
766 {
767 TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize);
768
769 if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
770 lpMidiHdr->lpData == 0 || lpMidiHdr->dwFlags != 0 ||
771 lpMidiHdr->dwBufferLength >= 0x10000ul)
772 return MMSYSERR_INVALPARAM;
773
774 lpMidiHdr->lpNext = 0;
775 lpMidiHdr->dwFlags |= MHDR_PREPARED;
776 lpMidiHdr->dwBytesRecorded = 0;
777
778 return MMSYSERR_NOERROR;
779 }
780
781 /**************************************************************************
782 * midUnprepare [internal]
783 */
784 static DWORD midUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
785 {
786 TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize);
787
788 if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
789 if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
790
791 if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
792 lpMidiHdr->lpData == 0 || lpMidiHdr->dwBufferLength >= 0x10000ul)
793 return MMSYSERR_INVALPARAM;
794
795 if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
796 if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
797
798 lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
799
800 return MMSYSERR_NOERROR;
801 }
802
803 /**************************************************************************
804 * midReset [internal]
805 */
806 static DWORD midReset(WORD wDevID)
807 {
808 DWORD dwTime = GetTickCount();
809
810 TRACE("(%04X);\n", wDevID);
811
812 if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
813 if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
814
815 while (MidiInDev[wDevID].lpQueueHdr) {
816 MidiInDev[wDevID].lpQueueHdr->dwFlags &= ~MHDR_INQUEUE;
817 MidiInDev[wDevID].lpQueueHdr->dwFlags |= MHDR_DONE;
818 /* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */
819 if (MIDI_NotifyClient(wDevID, MIM_LONGDATA,
820 (DWORD)MidiInDev[wDevID].lpQueueHdr, dwTime) != MMSYSERR_NOERROR) {
821 WARN("Couldn't notify client\n");
822 }
823 MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)MidiInDev[wDevID].lpQueueHdr->lpNext;
824 }
825
826 return MMSYSERR_NOERROR;
827 }
828
829
830 /**************************************************************************
831 * midStart [internal]
832 */
833 static DWORD midStart(WORD wDevID)
834 {
835 TRACE("(%04X);\n", wDevID);
836
837 if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
838 if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
839
840 MidiInDev[wDevID].state = 1;
841 MidiInDev[wDevID].startTime = GetTickCount();
842 return MMSYSERR_NOERROR;
843 }
844
845 /**************************************************************************
846 * midStop [internal]
847 */
848 static DWORD midStop(WORD wDevID)
849 {
850 TRACE("(%04X);\n", wDevID);
851
852 if (wDevID >= MIDM_NumDevs) return MMSYSERR_BADDEVICEID;
853 if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
854
855 MidiInDev[wDevID].state = 0;
856 return MMSYSERR_NOERROR;
857 }
858
859 /*-----------------------------------------------------------------------*/
860
861 typedef struct sVoice {
862 int note; /* 0 means not used */
863 int channel;
864 unsigned cntMark : 30,
865 status : 2;
866 #define sVS_UNUSED 0
867 #define sVS_PLAYING 1
868 #define sVS_SUSTAINED 2
869 } sVoice;
870
871 typedef struct sChannel {
872 int program;
873
874 int bender;
875 int benderRange;
876 /* controlers */
877 int bank; /* CTL_BANK_SELECT */
878 int volume; /* CTL_MAIN_VOLUME */
879 int balance; /* CTL_BALANCE */
880 int expression; /* CTL_EXPRESSION */
881 int sustain; /* CTL_SUSTAIN */
882
883 unsigned char nrgPmtMSB; /* Non register Parameters */
884 unsigned char nrgPmtLSB;
885 unsigned char regPmtMSB; /* Non register Parameters */
886 unsigned char regPmtLSB;
887 } sChannel;
888
889 typedef struct sFMextra {
890 unsigned counter;
891 int drumSetMask;
892 sChannel channel[16]; /* MIDI has only 16 channels */
893 sVoice voice[1]; /* dyn allocated according to sound card */
894 /* do not append fields below voice[1] since the size of this structure
895 * depends on the number of available voices on the FM synth...
896 */
897 } sFMextra;
898
899 extern unsigned char midiFMInstrumentPatches[16 * 128];
900 extern unsigned char midiFMDrumsPatches [16 * 128];
901
902 /**************************************************************************
903 * modFMLoad [internal]
904 */
905 static int modFMLoad(int dev)
906 {
907 int i;
908 struct sbi_instrument sbi;
909
910 sbi.device = dev;
911 sbi.key = FM_PATCH;
912
913 memset(sbi.operators + 16, 0, 16);
914 for (i = 0; i < 128; i++) {
915 sbi.channel = i;
916 memcpy(sbi.operators, midiFMInstrumentPatches + i * 16, 16);
917
918 if (write(midiSeqFD, (char*)&sbi, sizeof(sbi)) == -1) {
919 WARN("Couldn't write patch for instrument %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno));
920 return -1;
921 }
922 }
923 for (i = 0; i < 128; i++) {
924 sbi.channel = 128 + i;
925 memcpy(sbi.operators, midiFMDrumsPatches + i * 16, 16);
926
927 if (write(midiSeqFD, (char*)&sbi, sizeof(sbi)) == -1) {
928 WARN("Couldn't write patch for drum %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno));
929 return -1;
930 }
931 }
932 return 0;
933 }
934
935 /**************************************************************************
936 * modFMReset [internal]
937 */
938 static void modFMReset(WORD wDevID)
939 {
940 sFMextra* extra = (sFMextra*)MidiOutDev[wDevID].lpExtra;
941 sVoice* voice = extra->voice;
942 sChannel* channel = extra->channel;
943 int i;
944
945 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
946 if (voice[i].status != sVS_UNUSED) {
947 SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64);
948 }
949 SEQ_KEY_PRESSURE(wDevID, i, 127, 0);
950 SEQ_CONTROL(wDevID, i, SEQ_VOLMODE, VOL_METHOD_LINEAR);
951 voice[i].note = 0;
952 voice[i].channel = -1;
953 voice[i].cntMark = 0;
954 voice[i].status = sVS_UNUSED;
955 }
956 for (i = 0; i < 16; i++) {
957 channel[i].program = 0;
958 channel[i].bender = 8192;
959 channel[i].benderRange = 2;
960 channel[i].bank = 0;
961 channel[i].volume = 127;
962 channel[i].balance = 64;
963 channel[i].expression = 0;
964 channel[i].sustain = 0;
965 }
966 extra->counter = 0;
967 extra->drumSetMask = 1 << 9; /* channel 10 is normally drums, sometimes 16 also */
968 SEQ_DUMPBUF();
969 }
970
971 #define IS_DRUM_CHANNEL(_xtra, _chn) ((_xtra)->drumSetMask & (1 << (_chn)))
972
973 /**************************************************************************
974 * modGetDevCaps [internal]
975 */
976 static DWORD modGetDevCaps(WORD wDevID, LPMIDIOUTCAPSA lpCaps, DWORD dwSize)
977 {
978 TRACE("(%04X, %p, %08lX);\n", wDevID, lpCaps, dwSize);
979
980 if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
981 if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
982
983 memcpy(lpCaps, &MidiOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
984
985 return MMSYSERR_NOERROR;
986 }
987
988 /**************************************************************************
989 * modOpen [internal]
990 */
991 static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
992 {
993 TRACE("(%04X, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
994 if (lpDesc == NULL) {
995 WARN("Invalid Parameter !\n");
996 return MMSYSERR_INVALPARAM;
997 }
998 if (wDevID >= MODM_NumDevs) {
999 TRACE("MAX_MIDIOUTDRV reached !\n");
1000 return MMSYSERR_BADDEVICEID;
1001 }
1002 if (MidiOutDev[wDevID].midiDesc.hMidi != 0) {
1003 WARN("device already open !\n");
1004 return MMSYSERR_ALLOCATED;
1005 }
1006 if (!MidiOutDev[wDevID].bEnabled) {
1007 WARN("device disabled !\n");
1008 return MIDIERR_NODEVICE;
1009 }
1010 if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) {
1011 WARN("bad dwFlags\n");
1012 return MMSYSERR_INVALFLAG;
1013 }
1014 if (!MidiOutDev[wDevID].bEnabled) {
1015 TRACE("disabled wDevID\n");
1016 return MMSYSERR_NOTENABLED;
1017 }
1018
1019 MidiOutDev[wDevID].lpExtra = 0;
1020
1021 switch (MidiOutDev[wDevID].caps.wTechnology) {
1022 case MOD_FMSYNTH:
1023 {
1024 void* extra;
1025
1026 extra = HeapAlloc(GetProcessHeap(), 0,
1027 sizeof(struct sFMextra) +
1028 sizeof(struct sVoice) * (MidiOutDev[wDevID].caps.wVoices - 1));
1029
1030 if (extra == 0) {
1031 WARN("can't alloc extra data !\n");
1032 return MMSYSERR_NOMEM;
1033 }
1034 MidiOutDev[wDevID].lpExtra = extra;
1035 if (midiOpenSeq() < 0) {
1036 MidiOutDev[wDevID].lpExtra = 0;
1037 HeapFree(GetProcessHeap(), 0, extra);
1038 return MMSYSERR_ERROR;
1039 }
1040 if (modFMLoad(wDevID) < 0) {
1041 midiCloseSeq();
1042 MidiOutDev[wDevID].lpExtra = 0;
1043 HeapFree(GetProcessHeap(), 0, extra);
1044 return MMSYSERR_ERROR;
1045 }
1046 modFMReset(wDevID);
1047 }
1048 break;
1049 case MOD_MIDIPORT:
1050 if (midiOpenSeq() < 0) {
1051 return MMSYSERR_ALLOCATED;
1052 }
1053 break;
1054 default:
1055 WARN("Technology not supported (yet) %d !\n",
1056 MidiOutDev[wDevID].caps.wTechnology);
1057 return MMSYSERR_NOTENABLED;
1058 }
1059
1060 MidiOutDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
1061
1062 MidiOutDev[wDevID].lpQueueHdr = NULL;
1063 MidiOutDev[wDevID].dwTotalPlayed = 0;
1064 MidiOutDev[wDevID].bufsize = 0x3FFF;
1065 MidiOutDev[wDevID].midiDesc = *lpDesc;
1066
1067 if (MIDI_NotifyClient(wDevID, MOM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) {
1068 WARN("can't notify client !\n");
1069 return MMSYSERR_INVALPARAM;
1070 }
1071 TRACE("Successful !\n");
1072 return MMSYSERR_NOERROR;
1073 }
1074
1075
1076 /**************************************************************************
1077 * modClose [internal]
1078 */
1079 static DWORD modClose(WORD wDevID)
1080 {
1081 int ret = MMSYSERR_NOERROR;
1082
1083 TRACE("(%04X);\n", wDevID);
1084
1085 if (MidiOutDev[wDevID].midiDesc.hMidi == 0) {
1086 WARN("device not opened !\n");
1087 return MMSYSERR_ERROR;
1088 }
1089 /* FIXME: should test that no pending buffer is still in the queue for
1090 * playing */
1091
1092 if (midiSeqFD == -1) {
1093 WARN("can't close !\n");
1094 return MMSYSERR_ERROR;
1095 }
1096
1097 switch (MidiOutDev[wDevID].caps.wTechnology) {
1098 case MOD_FMSYNTH:
1099 case MOD_MIDIPORT:
1100 midiCloseSeq();
1101 break;
1102 default:
1103 WARN("Technology not supported (yet) %d !\n",
1104 MidiOutDev[wDevID].caps.wTechnology);
1105 return MMSYSERR_NOTENABLED;
1106 }
1107
1108 if (MidiOutDev[wDevID].lpExtra != 0) {
1109 HeapFree(GetProcessHeap(), 0, MidiOutDev[wDevID].lpExtra);
1110 MidiOutDev[wDevID].lpExtra = 0;
1111 }
1112
1113 MidiOutDev[wDevID].bufsize = 0;
1114 if (MIDI_NotifyClient(wDevID, MOM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) {
1115 WARN("can't notify client !\n");
1116 ret = MMSYSERR_INVALPARAM;
1117 }
1118 MidiOutDev[wDevID].midiDesc.hMidi = 0;
1119 return ret;
1120 }
1121
1122 /**************************************************************************
1123 * modData [internal]
1124 */
1125 static DWORD modData(WORD wDevID, DWORD dwParam)
1126 {
1127 WORD evt = LOBYTE(LOWORD(dwParam));
1128 WORD d1 = HIBYTE(LOWORD(dwParam));
1129 WORD d2 = LOBYTE(HIWORD(dwParam));
1130
1131 TRACE("(%04X, %08lX);\n", wDevID, dwParam);
1132
1133 if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
1134 if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
1135
1136 if (midiSeqFD == -1) {
1137 WARN("can't play !\n");
1138 return MIDIERR_NODEVICE;
1139 }
1140 switch (MidiOutDev[wDevID].caps.wTechnology) {
1141 case MOD_FMSYNTH:
1142 /* FIXME:
1143 * - chorus depth controller is not used
1144 */
1145 {
1146 sFMextra* extra = (sFMextra*)MidiOutDev[wDevID].lpExtra;
1147 sVoice* voice = extra->voice;
1148 sChannel* channel = extra->channel;
1149 int chn = (evt & 0x0F);
1150 int i, nv;
1151
1152 switch (evt & 0xF0) {
1153 case MIDI_NOTEOFF:
1154 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1155 /* don't stop sustained notes */
1156 if (voice[i].status == sVS_PLAYING && voice[i].channel == chn && voice[i].note == d1) {
1157 voice[i].status = sVS_UNUSED;
1158 SEQ_STOP_NOTE(wDevID, i, d1, d2);
1159 }
1160 }
1161 break;
1162 case MIDI_NOTEON:
1163 if (d2 == 0) { /* note off if velocity == 0 */
1164 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1165 /* don't stop sustained notes */
1166 if (voice[i].status == sVS_PLAYING && voice[i].channel == chn && voice[i].note == d1) {
1167 voice[i].status = sVS_UNUSED;
1168 SEQ_STOP_NOTE(wDevID, i, d1, 64);
1169 }
1170 }
1171 break;
1172 }
1173 /* finding out in this order :
1174 * - an empty voice
1175 * - if replaying the same note on the same channel
1176 * - the older voice (LRU)
1177 */
1178 for (i = nv = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1179 if (voice[i].status == sVS_UNUSED ||
1180 (voice[i].note == d1 && voice[i].channel == chn)) {
1181 nv = i;
1182 break;
1183 }
1184 if (voice[i].cntMark < voice[0].cntMark) {
1185 nv = i;
1186 }
1187 }
1188 TRACE(
1189 "playing on voice=%d, pgm=%d, pan=0x%02X, vol=0x%02X, "
1190 "bender=0x%02X, note=0x%02X, vel=0x%02X\n",
1191 nv, channel[chn].program,
1192 channel[chn].balance,
1193 channel[chn].volume,
1194 channel[chn].bender, d1, d2);
1195
1196 SEQ_SET_PATCH(wDevID, nv, IS_DRUM_CHANNEL(extra, chn) ?
1197 (128 + d1) : channel[chn].program);
1198 SEQ_BENDER_RANGE(wDevID, nv, channel[chn].benderRange * 100);
1199 SEQ_BENDER(wDevID, nv, channel[chn].bender);
1200 SEQ_CONTROL(wDevID, nv, CTL_PAN, channel[chn].balance);
1201 SEQ_CONTROL(wDevID, nv, CTL_EXPRESSION, channel[chn].expression);
1202 #if 0
1203 /* FIXME: does not really seem to work on my SB card and
1204 * screws everything up... so lay it down
1205 */
1206 SEQ_CONTROL(wDevID, nv, CTL_MAIN_VOLUME, channel[chn].volume);
1207 #endif
1208 SEQ_START_NOTE(wDevID, nv, d1, d2);
1209 voice[nv].status = channel[chn].sustain ? sVS_SUSTAINED : sVS_PLAYING;
1210 voice[nv].note = d1;
1211 voice[nv].channel = chn;
1212 voice[nv].cntMark = extra->counter++;
1213 break;
1214 case MIDI_KEY_PRESSURE:
1215 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1216 if (voice[i].status != sVS_UNUSED && voice[i].channel == chn && voice[i].note == d1) {
1217 SEQ_KEY_PRESSURE(wDevID, i, d1, d2);
1218 }
1219 }
1220 break;
1221 case MIDI_CTL_CHANGE:
1222 switch (d1) {
1223 case CTL_BANK_SELECT: channel[chn].bank = d2; break;
1224 case CTL_MAIN_VOLUME: channel[chn].volume = d2; break;
1225 case CTL_PAN: channel[chn].balance = d2; break;
1226 case CTL_EXPRESSION: channel[chn].expression = d2; break;
1227 case CTL_SUSTAIN: channel[chn].sustain = d2;
1228 if (d2) {
1229 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1230 if (voice[i].status == sVS_PLAYING && voice[i].channel == chn) {
1231 voice[i].status = sVS_SUSTAINED;
1232 }
1233 }
1234 } else {
1235 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1236 if (voice[i].status == sVS_SUSTAINED && voice[i].channel == chn) {
1237 voice[i].status = sVS_UNUSED;
1238 SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64);
1239 }
1240 }
1241 }
1242 break;
1243 case CTL_NONREG_PARM_NUM_LSB: channel[chn].nrgPmtLSB = d2; break;
1244 case CTL_NONREG_PARM_NUM_MSB: channel[chn].nrgPmtMSB = d2; break;
1245 case CTL_REGIST_PARM_NUM_LSB: channel[chn].regPmtLSB = d2; break;
1246 case CTL_REGIST_PARM_NUM_MSB: channel[chn].regPmtMSB = d2; break;
1247 case CTL_DATA_ENTRY:
1248 switch ((channel[chn].regPmtMSB << 8) | channel[chn].regPmtLSB) {
1249 case 0x0000:
1250 if (channel[chn].benderRange != d2) {
1251 channel[chn].benderRange = d2;
1252 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1253 if (voice[i].channel == chn) {
1254 SEQ_BENDER_RANGE(wDevID, i, channel[chn].benderRange);
1255 }
1256 }
1257 }
1258 break;
1259
1260 case 0x7F7F:
1261 channel[chn].benderRange = 2;
1262 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1263 if (voice[i].channel == chn) {
1264 SEQ_BENDER_RANGE(wDevID, i, channel[chn].benderRange);
1265 }
1266 }
1267 break;
1268 default:
1269 TRACE("Data entry: regPmt=0x%02x%02x, nrgPmt=0x%02x%02x with %x\n",
1270 channel[chn].regPmtMSB, channel[chn].regPmtLSB,
1271 channel[chn].nrgPmtMSB, channel[chn].nrgPmtLSB,
1272 d2);
1273 break;
1274 }
1275 break;
1276
1277 case 0x78: /* all sounds off */
1278 /* FIXME: I don't know if I have to take care of the channel
1279 * for this control ?
1280 */
1281 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1282 if (voice[i].status != sVS_UNUSED && voice[i].channel == chn) {
1283 voice[i].status = sVS_UNUSED;
1284 SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64);
1285 }
1286 }
1287 break;
1288 case 0x7B: /* all notes off */
1289 /* FIXME: I don't know if I have to take care of the channel
1290 * for this control ?
1291 */
1292 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1293 if (voice[i].status == sVS_PLAYING && voice[i].channel == chn) {
1294 voice[i].status = sVS_UNUSED;
1295 SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64);
1296 }
1297 }
1298 break;
1299 default:
1300 TRACE("Dropping MIDI control event 0x%02x(%02x) on channel %d\n",
1301 d1, d2, chn);
1302 break;
1303 }
1304 break;
1305 case MIDI_PGM_CHANGE:
1306 channel[chn].program = d1;
1307 break;
1308 case MIDI_CHN_PRESSURE:
1309 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1310 if (voice[i].status != sVS_UNUSED && voice[i].channel == chn) {
1311 SEQ_KEY_PRESSURE(wDevID, i, voice[i].note, d1);
1312 }
1313 }
1314 break;
1315 case MIDI_PITCH_BEND:
1316 channel[chn].bender = (d2 << 7) + d1;
1317 for (i = 0; i < MidiOutDev[wDevID].caps.wVoices; i++) {
1318 if (voice[i].channel == chn) {
1319 SEQ_BENDER(wDevID, i, channel[chn].bender);
1320 }
1321 }
1322 break;
1323 case MIDI_SYSTEM_PREFIX:
1324 switch (evt & 0x0F) {
1325 case 0x0F: /* Reset */
1326 modFMReset(wDevID);
1327 break;
1328 default:
1329 WARN("Unsupported (yet) system event %02x\n", evt & 0x0F);
1330 }
1331 break;
1332 default:
1333 WARN("Internal error, shouldn't happen (event=%08x)\n", evt & 0xF0);
1334 return MMSYSERR_NOTENABLED;
1335 }
1336 }
1337 break;
1338 case MOD_MIDIPORT:
1339 {
1340 int dev = wDevID - MODM_NumFMSynthDevs;
1341 if (dev < 0) {
1342 WARN("Internal error on devID (%u) !\n", wDevID);
1343 return MIDIERR_NODEVICE;
1344 }
1345
1346 switch (evt & 0xF0) {
1347 case MIDI_NOTEOFF:
1348 case MIDI_NOTEON:
1349 case MIDI_KEY_PRESSURE:
1350 case MIDI_CTL_CHANGE:
1351 case MIDI_PITCH_BEND:
1352 SEQ_MIDIOUT(dev, evt);
1353 SEQ_MIDIOUT(dev, d1);
1354 SEQ_MIDIOUT(dev, d2);
1355 break;
1356 case MIDI_PGM_CHANGE:
1357 case MIDI_CHN_PRESSURE:
1358 SEQ_MIDIOUT(dev, evt);
1359 SEQ_MIDIOUT(dev, d1);
1360 break;
1361 case MIDI_SYSTEM_PREFIX:
1362 switch (evt & 0x0F) {
1363 case 0x00: /* System Exclusive, don't do it on modData,
1364 * should require modLongData*/
1365 case 0x01: /* Undefined */
1366 case 0x04: /* Undefined. */
1367 case 0x05: /* Undefined. */
1368 case 0x07: /* End of Exclusive. */
1369 case 0x09: /* Undefined. */
1370 case 0x0D: /* Undefined. */
1371 break;
1372 case 0x06: /* Tune Request */
1373 case 0x08: /* Timing Clock. */
1374 case 0x0A: /* Start. */
1375 case 0x0B: /* Continue */
1376 case 0x0C: /* Stop */
1377 case 0x0E: /* Active Sensing. */
1378 SEQ_MIDIOUT(dev, evt);
1379 break;
1380 case 0x0F: /* Reset */
1381 /* SEQ_MIDIOUT(dev, evt);
1382 this other way may be better */
1383 SEQ_MIDIOUT(dev, MIDI_SYSTEM_PREFIX);
1384 SEQ_MIDIOUT(dev, 0x7e);
1385 SEQ_MIDIOUT(dev, 0x7f);
1386 SEQ_MIDIOUT(dev, 0x09);
1387 SEQ_MIDIOUT(dev, 0x01);
1388 SEQ_MIDIOUT(dev, 0xf7);
1389 break;
1390 case 0x03: /* Song Select. */
1391 SEQ_MIDIOUT(dev, evt);
1392 SEQ_MIDIOUT(dev, d1);
1393 case 0x02: /* Song Position Pointer. */
1394 SEQ_MIDIOUT(dev, evt);
1395 SEQ_MIDIOUT(dev, d1);
1396 SEQ_MIDIOUT(dev, d2);
1397 }
1398 break;
1399 }
1400 }
1401 break;
1402 default:
1403 WARN("Technology not supported (yet) %d !\n",
1404 MidiOutDev[wDevID].caps.wTechnology);
1405 return MMSYSERR_NOTENABLED;
1406 }
1407
1408 SEQ_DUMPBUF();
1409
1410 return MMSYSERR_NOERROR;
1411 }
1412
1413 /**************************************************************************
1414 * modLongData [internal]
1415 */
1416 static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
1417 {
1418 int count;
1419 LPBYTE lpData;
1420
1421 TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize);
1422
1423 if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
1424 if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
1425
1426 if (midiSeqFD == -1) {
1427 WARN("can't play !\n");
1428 return MIDIERR_NODEVICE;
1429 }
1430
1431 lpData = lpMidiHdr->lpData;
1432
1433 if (lpData == NULL)
1434 return MIDIERR_UNPREPARED;
1435 if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
1436 return MIDIERR_UNPREPARED;
1437 if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1438 return MIDIERR_STILLPLAYING;
1439 lpMidiHdr->dwFlags &= ~MHDR_DONE;
1440 lpMidiHdr->dwFlags |= MHDR_INQUEUE;
1441
1442 /* FIXME: MS doc is not 100% clear. Will lpData only contain system exclusive
1443 * data, or can it also contain raw MIDI data, to be split up and sent to
1444 * modShortData() ?
1445 * If the latest is true, then the following WARNing will fire up
1446 */
1447 if (lpData[0] != 0xF0 || lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) {
1448 WARN("Alledged system exclusive buffer is not correct\n\tPlease report with MIDI file\n");
1449 }
1450
1451 TRACE("dwBufferLength=%lu !\n", lpMidiHdr->dwBufferLength);
1452 TRACE(" %02X %02X %02X ... %02X %02X %02X\n",
1453 lpData[0], lpData[1], lpData[2], lpData[lpMidiHdr->dwBufferLength-3],
1454 lpData[lpMidiHdr->dwBufferLength-2], lpData[lpMidiHdr->dwBufferLength-1]);
1455
1456 switch (MidiOutDev[wDevID].caps.wTechnology) {
1457 case MOD_FMSYNTH:
1458 /* FIXME: I don't think there is much to do here */
1459 break;
1460 case MOD_MIDIPORT:
1461 if (lpData[0] != 0xF0) {
1462 /* Send end of System Exclusive */
1463 SEQ_MIDIOUT(wDevID - MODM_NumFMSynthDevs, 0xF0);
1464 WARN("Adding missing 0xF0 marker at the beginning of "
1465 "system exclusive byte stream\n");
1466 }
1467 for (count = 0; count < lpMidiHdr->dwBytesRecorded; count++) {
1468 SEQ_MIDIOUT(wDevID - MODM_NumFMSynthDevs, lpData[count]);
1469 }
1470 if (lpData[count - 1] != 0xF7) {
1471 /* Send end of System Exclusive */
1472 SEQ_MIDIOUT(wDevID - MODM_NumFMSynthDevs, 0xF7);
1473 WARN("Adding missing 0xF7 marker at the end of "
1474 "system exclusive byte stream\n");
1475 }
1476 SEQ_DUMPBUF();
1477 break;
1478 default:
1479 WARN("Technology not supported (yet) %d !\n",
1480 MidiOutDev[wDevID].caps.wTechnology);
1481 return MMSYSERR_NOTENABLED;
1482 }
1483
1484 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1485 lpMidiHdr->dwFlags |= MHDR_DONE;
1486 if (MIDI_NotifyClient(wDevID, MOM_DONE, (DWORD)lpMidiHdr, 0L) != MMSYSERR_NOERROR) {
1487 WARN("can't notify client !\n");
1488 return MMSYSERR_INVALPARAM;
1489 }
1490 return MMSYSERR_NOERROR;
1491 }
1492
1493 /**************************************************************************
1494 * modPrepare [internal]
1495 */
1496 static DWORD modPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
1497 {
1498 TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize);
1499
1500 if (midiSeqFD == -1) {
1501 WARN("can't prepare !\n");
1502 return MMSYSERR_NOTENABLED;
1503 }
1504
1505 /* MS doc says that dwFlags must be set to zero, but (kinda funny) MS mciseq drivers
1506 * asks to prepare MIDIHDR which dwFlags != 0.
1507 * So at least check for the inqueue flag
1508 */
1509 if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
1510 lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
1511 lpMidiHdr->dwBufferLength >= 0x10000ul) {
1512 WARN("%p %p %08lx %d/%ld\n", lpMidiHdr, lpMidiHdr->lpData,
1513 lpMidiHdr->dwFlags, sizeof(MIDIHDR), dwSize);
1514 return MMSYSERR_INVALPARAM;
1515 }
1516
1517 lpMidiHdr->lpNext = 0;
1518 lpMidiHdr->dwFlags |= MHDR_PREPARED;
1519 lpMidiHdr->dwFlags &= ~MHDR_DONE;
1520 return MMSYSERR_NOERROR;
1521 }
1522
1523 /**************************************************************************
1524 * modUnprepare [internal]
1525 */
1526 static DWORD modUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
1527 {
1528 TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize);
1529
1530 if (midiSeqFD == -1) {
1531 WARN("can't unprepare !\n");
1532 return MMSYSERR_NOTENABLED;
1533 }
1534
1535 if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0)
1536 return MMSYSERR_INVALPARAM;
1537 if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1538 return MIDIERR_STILLPLAYING;
1539 lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
1540 return MMSYSERR_NOERROR;
1541 }
1542
1543 /**************************************************************************
1544 * modReset [internal]
1545 */
1546 static DWORD modReset(WORD wDevID)
1547 {
1548 unsigned chn;
1549
1550 TRACE("(%04X);\n", wDevID);
1551
1552 if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
1553 if (!MidiOutDev[wDevID].bEnabled) return MIDIERR_NODEVICE;
1554
1555 /* stop all notes */
1556 /* FIXME: check if 0x78B0 is channel dependant or not. I coded it so that
1557 * it's channel dependent...
1558 */
1559 for (chn = 0; chn < 16; chn++) {
1560 /* turn off every note */
1561 modData(wDevID, 0x7800 | MIDI_CTL_CHANGE | chn);
1562 /* remove sustain on all channels */
1563 modData(wDevID, (CTL_SUSTAIN << 8) | MIDI_CTL_CHANGE | chn);
1564 }
1565 /* FIXME: the LongData buffers must also be returned to the app */
1566 return MMSYSERR_NOERROR;
1567 }
1568
1569 #endif /* HAVE_OSS_MIDI */
1570
1571 /*======================================================================*
1572 * MIDI entry points *
1573 *======================================================================*/
1574
1575 /**************************************************************************
1576 * midMessage (WINEOSS.4)
1577 */
1578 DWORD WINAPI OSS_midMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1579 DWORD dwParam1, DWORD dwParam2)
1580 {
1581 TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
1582 wDevID, wMsg, dwUser, dwParam1, dwParam2);
1583 switch (wMsg) {
1584 #ifdef HAVE_OSS_MIDI
1585 case DRVM_INIT:
1586 case DRVM_ENABLE:
1587 case DRVM_DISABLE:
1588 /* FIXME: Pretend this is supported */
1589 return 0;
1590 case MIDM_OPEN:
1591 return midOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
1592 case MIDM_CLOSE:
1593 return midClose(wDevID);
1594 case MIDM_ADDBUFFER:
1595 return midAddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1596 case MIDM_PREPARE:
1597 return midPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1598 case MIDM_UNPREPARE:
1599 return midUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1600 case MIDM_GETDEVCAPS:
1601 return midGetDevCaps(wDevID, (LPMIDIINCAPSA)dwParam1,dwParam2);
1602 case MIDM_GETNUMDEVS:
1603 return MIDM_NumDevs;
1604 case MIDM_RESET:
1605 return midReset(wDevID);
1606 case MIDM_START:
1607 return midStart(wDevID);
1608 case MIDM_STOP:
1609 return midStop(wDevID);
1610 #endif
1611 default:
1612 TRACE("Unsupported message\n");
1613 }
1614 return MMSYSERR_NOTSUPPORTED;
1615 }
1616
1617 /**************************************************************************
1618 * modMessage (WINEOSS.5)
1619 */
1620 DWORD WINAPI OSS_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
1621 DWORD dwParam1, DWORD dwParam2)
1622 {
1623 TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n",
1624 wDevID, wMsg, dwUser, dwParam1, dwParam2);
1625
1626 switch (wMsg) {
1627 #ifdef HAVE_OSS_MIDI
1628 case DRVM_INIT:
1629 case DRVM_EXIT:
1630 case DRVM_ENABLE:
1631 case DRVM_DISABLE:
1632 /* FIXME: Pretend this is supported */
1633 return 0;
1634 case MODM_OPEN:
1635 return modOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2);
1636 case MODM_CLOSE:
1637 return modClose(wDevID);
1638 case MODM_DATA:
1639 return modData(wDevID, dwParam1);
1640 case MODM_LONGDATA:
1641 return modLongData(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1642 case MODM_PREPARE:
1643 return modPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1644 case MODM_UNPREPARE:
1645 return modUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
1646 case MODM_GETDEVCAPS:
1647 return modGetDevCaps(wDevID, (LPMIDIOUTCAPSA)dwParam1, dwParam2);
1648 case MODM_GETNUMDEVS:
1649 return MODM_NumDevs;
1650 case MODM_GETVOLUME:
1651 return 0;
1652 case MODM_SETVOLUME:
1653 return 0;
1654 case MODM_RESET:
1655 return modReset(wDevID);
1656 #endif
1657 default:
1658 TRACE("Unsupported message\n");
1659 }
1660 return MMSYSERR_NOTSUPPORTED;
1661 }
1662
1663 /*-----------------------------------------------------------------------*/
GSOC 2012 project to enhance the control panel