xref: /reactos/dll/win32/mciseq/mcimidi.c (revision 29fa274d)
1 /*
2  * Sample MIDI Wine Driver for Linux
3  *
4  * Copyright 1994 Martin Ayotte
5  * Copyright 1999 Eric Pouech
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21 
22 /* TODO:
23  *      + implement it correctly
24  *      + finish asynchronous commands (especially for reading/record)
25  *      + better implement non waiting command (without the MCI_WAIT flag).
26  *      + implement the recording features
27  */
28 
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <stdio.h>
32 #include <string.h>
33 
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wingdi.h"
37 #include "winuser.h"
38 #include "wownt32.h"
39 #include "mmddk.h"
40 #include "wine/debug.h"
41 #include "wine/unicode.h"
42 
43 WINE_DEFAULT_DEBUG_CHANNEL(mcimidi);
44 
45 #define MIDI_NOTEOFF             0x80
46 #define MIDI_NOTEON              0x90
47 
48 typedef struct {
49     DWORD		dwFirst;		/* offset in file of track */
50     DWORD		dwLast;			/* number of bytes in file of track */
51     DWORD		dwIndex;		/* current index in file (dwFirst <= dwIndex < dwLast) */
52     DWORD		dwLength;		/* number of pulses in this track */
53     DWORD		dwEventPulse;		/* current pulse # (event) pointed by dwIndex */
54     DWORD		dwEventData;		/* current data    (event) pointed by dwIndex */
55     WORD		wEventLength;		/* current length  (event) pointed by dwIndex */
56     WORD		wStatus : 1,		/* 1 : playing, 0 : done */
57 	                wTrackNr : 7,
58 	                wLastCommand : 8;	/* last MIDI command on track */
59 } MCI_MIDITRACK;
60 
61 typedef struct tagWINE_MCIMIDI {
62     UINT		wDevID;			/* the MCI one */
63     HMIDI		hMidi;
64     int			nUseCount;          	/* Incremented for each shared open          */
65     WORD		wNotifyDeviceID;    	/* MCI device ID with a pending notification */
66     HANDLE 		hCallback;         	/* Callback handle for pending notification  */
67     HMMIO		hFile;	            	/* mmio file handle open as Element          */
68     LPWSTR		lpstrElementName;       /* Name of file (if any)                     */
69     LPWSTR		lpstrCopyright;
70     LPWSTR		lpstrName;
71     WORD		dwStatus;		/* one from MCI_MODE_xxxx */
72     DWORD		dwMciTimeFormat;	/* One of the supported MCI_FORMAT_xxxx */
73     WORD		wFormat;		/* Format of MIDI hFile (0, 1 or 2) */
74     WORD		nTracks;		/* Number of tracks in hFile */
75     WORD		nDivision;		/* Number of division in hFile PPQN or SMPTE */
76     WORD		wStartedPlaying;
77     DWORD		dwTempo;		/* Tempo (# of 1/4 note per second */
78     MCI_MIDITRACK*     	tracks;			/* Content of each track */
79     DWORD		dwPulse;
80     DWORD		dwPositionMS;
81     DWORD		dwStartTicks;
82 } WINE_MCIMIDI;
83 
84 /* ===================================================================
85  * ===================================================================
86  * FIXME: should be using the new mmThreadXXXX functions from WINMM
87  * instead of those
88  * it would require to add a wine internal flag to mmThreadCreate
89  * in order to pass a 32 bit function instead of a 16 bit
90  * ===================================================================
91  * =================================================================== */
92 
93 struct SCA {
94     UINT 	wDevID;
95     UINT 	wMsg;
96     DWORD_PTR   dwParam1;
97     DWORD_PTR   dwParam2;
98 };
99 
100 /* EPP DWORD WINAPI mciSendCommandA(UINT wDevID, UINT wMsg, DWORD dwParam1, DWORD dwParam2); */
101 
102 /**************************************************************************
103  * 				MCI_SCAStarter			[internal]
104  */
105 static DWORD CALLBACK	MCI_SCAStarter(LPVOID arg)
106 {
107     struct SCA* sca = arg;
108     DWORD       ret;
109 
110     TRACE("In thread before async command (%08x,%u,%08lx,%08lx)\n",
111 	  sca->wDevID, sca->wMsg, sca->dwParam1, sca->dwParam2);
112     ret = mciSendCommandA(sca->wDevID, sca->wMsg, sca->dwParam1 | MCI_WAIT, sca->dwParam2);
113     TRACE("In thread after async command (%08x,%u,%08lx,%08lx)\n",
114 	  sca->wDevID, sca->wMsg, sca->dwParam1, sca->dwParam2);
115     HeapFree(GetProcessHeap(), 0, sca);
116     ExitThread(ret);
117     WARN("Should not happen ? what's wrong\n");
118     /* should not go after this point */
119     return ret;
120 }
121 
122 /**************************************************************************
123  * 				MCI_SendCommandAsync		[internal]
124  */
125 static	DWORD MCI_SendCommandAsync(UINT wDevID, UINT wMsg, DWORD_PTR dwParam1,
126 				   DWORD_PTR dwParam2, UINT size)
127 {
128     HANDLE handle;
129     struct SCA*	sca = HeapAlloc(GetProcessHeap(), 0, sizeof(struct SCA) + size);
130 
131     if (sca == 0)
132 	return MCIERR_OUT_OF_MEMORY;
133 
134     sca->wDevID   = wDevID;
135     sca->wMsg     = wMsg;
136     sca->dwParam1 = dwParam1;
137 
138     if (size && dwParam2) {
139 	sca->dwParam2 = (DWORD_PTR)sca + sizeof(struct SCA);
140 	/* copy structure passed by program in dwParam2 to be sure
141 	 * we can still use it whatever the program does
142 	 */
143 	memcpy((LPVOID)sca->dwParam2, (LPVOID)dwParam2, size);
144     } else {
145 	sca->dwParam2 = dwParam2;
146     }
147 
148     if ((handle = CreateThread(NULL, 0, MCI_SCAStarter, sca, 0, NULL)) == 0) {
149 	WARN("Couldn't allocate thread for async command handling, sending synchronously\n");
150 	return MCI_SCAStarter(&sca);
151     }
152     SetThreadPriority(handle, THREAD_PRIORITY_TIME_CRITICAL);
153     CloseHandle(handle);
154     return 0;
155 }
156 
157 /*======================================================================*
158  *                  	    MCI MIDI implementation			*
159  *======================================================================*/
160 
161 static DWORD MIDI_mciResume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms);
162 
163 /**************************************************************************
164  * 				MIDI_drvOpen			[internal]
165  */
166 static	DWORD	MIDI_drvOpen(LPCWSTR str, LPMCI_OPEN_DRIVER_PARMSW modp)
167 {
168     WINE_MCIMIDI*	wmm;
169 
170     if (!modp) return 0xFFFFFFFF;
171 
172     wmm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINE_MCIMIDI));
173 
174     if (!wmm)
175 	return 0;
176 
177     wmm->wDevID = modp->wDeviceID;
178     mciSetDriverData(wmm->wDevID, (DWORD_PTR)wmm);
179     modp->wCustomCommandTable = MCI_NO_COMMAND_TABLE;
180     modp->wType = MCI_DEVTYPE_SEQUENCER;
181     return modp->wDeviceID;
182 }
183 
184 /**************************************************************************
185  * 				MCIMIDI_drvClose		[internal]
186  */
187 static	DWORD	MIDI_drvClose(DWORD dwDevID)
188 {
189     WINE_MCIMIDI*  wmm = (WINE_MCIMIDI*)mciGetDriverData(dwDevID);
190 
191     if (wmm) {
192 	HeapFree(GetProcessHeap(), 0, wmm);
193 	mciSetDriverData(dwDevID, 0);
194 	return 1;
195     }
196     return (dwDevID == 0xFFFFFFFF) ? 1 : 0;
197 }
198 
199 /**************************************************************************
200  * 				MIDI_mciGetOpenDev		[internal]
201  */
202 static WINE_MCIMIDI*  MIDI_mciGetOpenDev(UINT wDevID)
203 {
204     WINE_MCIMIDI*	wmm = (WINE_MCIMIDI*)mciGetDriverData(wDevID);
205 
206     if (wmm == NULL || wmm->nUseCount == 0) {
207 	WARN("Invalid wDevID=%u\n", wDevID);
208 	return 0;
209     }
210     return wmm;
211 }
212 
213 /**************************************************************************
214  * 				MIDI_mciReadByte		[internal]
215  */
216 static DWORD MIDI_mciReadByte(WINE_MCIMIDI* wmm, BYTE *lpbyt)
217 {
218     DWORD	ret = 0;
219 
220     if (lpbyt == NULL ||
221 	mmioRead(wmm->hFile, (HPSTR)lpbyt, sizeof(BYTE)) != (long)sizeof(BYTE)) {
222 	WARN("Error reading wmm=%p\n", wmm);
223 	ret = MCIERR_INVALID_FILE;
224     }
225 
226     return ret;
227 }
228 
229 /**************************************************************************
230  * 				MIDI_mciReadWord		[internal]
231  */
232 static DWORD MIDI_mciReadWord(WINE_MCIMIDI* wmm, LPWORD lpw)
233 {
234     BYTE	hibyte, lobyte;
235     DWORD	ret = MCIERR_INVALID_FILE;
236 
237     if (lpw != NULL &&
238 	MIDI_mciReadByte(wmm, &hibyte) == 0 &&
239 	MIDI_mciReadByte(wmm, &lobyte) == 0) {
240 	*lpw = ((WORD)hibyte << 8) + lobyte;
241 	ret = 0;
242     }
243     return ret;
244 }
245 
246 /**************************************************************************
247  * 				MIDI_mciReadLong		[internal]
248  */
249 static DWORD MIDI_mciReadLong(WINE_MCIMIDI* wmm, LPDWORD lpdw)
250 {
251     WORD	hiword, loword;
252     DWORD	ret = MCIERR_INVALID_FILE;
253 
254     if (lpdw != NULL &&
255 	MIDI_mciReadWord(wmm, &hiword) == 0 &&
256 	MIDI_mciReadWord(wmm, &loword) == 0) {
257 	*lpdw = MAKELONG(loword, hiword);
258 	ret = 0;
259     }
260     return ret;
261 }
262 
263 /**************************************************************************
264  *  				MIDI_mciReadVaryLen		[internal]
265  */
266 static WORD MIDI_mciReadVaryLen(WINE_MCIMIDI* wmm, LPDWORD lpdw)
267 {
268     BYTE	byte;
269     DWORD	value = 0;
270     WORD	ret = 0;
271 
272     if (lpdw == NULL) {
273 	ret = MCIERR_INVALID_FILE;
274     } else {
275 	do {
276 	    if (MIDI_mciReadByte(wmm, &byte) != 0) {
277 		return 0;
278 	    }
279 	    value = (value << 7) + (byte & 0x7F);
280 	    ret++;
281 	} while (byte & 0x80);
282 	*lpdw = value;
283 	/*
284 	  TRACE("val=%08X\n", value);
285 	*/
286     }
287     return ret;
288 }
289 
290 /**************************************************************************
291  * 				MIDI_mciReadNextEvent		[internal]
292  */
293 static DWORD	MIDI_mciReadNextEvent(WINE_MCIMIDI* wmm, MCI_MIDITRACK* mmt)
294 {
295     BYTE	b1, b2 = 0, b3;
296     WORD	hw = 0;
297     DWORD	evtPulse;
298     DWORD	evtLength;
299     DWORD	tmp;
300 
301     if (mmioSeek(wmm->hFile, mmt->dwIndex, SEEK_SET) != mmt->dwIndex) {
302 	WARN("Can't seek at %08X\n", mmt->dwIndex);
303 	return MCIERR_INVALID_FILE;
304     }
305     evtLength = MIDI_mciReadVaryLen(wmm, &evtPulse) + 1;	/* > 0 */
306     MIDI_mciReadByte(wmm, &b1);
307     switch (b1) {
308     case 0xF0:
309     case 0xF7:
310 	evtLength += MIDI_mciReadVaryLen(wmm, &tmp);
311 	evtLength += tmp;
312 	break;
313     case 0xFF:
314 	MIDI_mciReadByte(wmm, &b2);	evtLength++;
315 
316 	evtLength += MIDI_mciReadVaryLen(wmm, &tmp);
317 	if (evtLength >= 0x10000u) {
318 	    /* this limitation shouldn't be a problem */
319 	    WARN("Ouch !! Implementation limitation to 64k bytes for a MIDI event is overflowed\n");
320 	    hw = 0xFFFF;
321 	} else {
322 	    hw = LOWORD(evtLength);
323 	}
324 	evtLength += tmp;
325 	break;
326     default:
327 	if (b1 & 0x80) { /* use running status ? */
328 	    mmt->wLastCommand = b1;
329 	    MIDI_mciReadByte(wmm, &b2);	evtLength++;
330 	} else {
331 	    b2 = b1;
332 	    b1 = mmt->wLastCommand;
333 	}
334 	switch ((b1 >> 4) & 0x07) {
335 	case 0:	case 1:	case 2: case 3: case 6:
336 	    MIDI_mciReadByte(wmm, &b3);	evtLength++;
337 	    hw = b3;
338 	    break;
339 	case 4:	case 5:
340 	    break;
341 	case 7:
342 	    WARN("Strange indeed b1=0x%02x\n", b1);
343 	}
344 	break;
345     }
346     if (mmt->dwIndex + evtLength > mmt->dwLast)
347 	return MCIERR_INTERNAL;
348 
349     mmt->dwEventPulse += evtPulse;
350     mmt->dwEventData   = (hw << 16) + (b2 << 8) + b1;
351     mmt->wEventLength  = evtLength;
352 
353     /*
354       TRACE("[%u] => pulse=%08x(%08x), data=%08x, length=%u\n",
355       mmt->wTrackNr, mmt->dwEventPulse, evtPulse,
356       mmt->dwEventData, mmt->wEventLength);
357     */
358     return 0;
359 }
360 
361 /**************************************************************************
362  * 				MIDI_mciReadMTrk		[internal]
363  */
364 static DWORD MIDI_mciReadMTrk(WINE_MCIMIDI* wmm, MCI_MIDITRACK* mmt)
365 {
366     DWORD		toberead;
367     FOURCC		fourcc;
368 
369     if (mmioRead(wmm->hFile, (HPSTR)&fourcc, (long)sizeof(FOURCC)) !=
370 	(long)sizeof(FOURCC)) {
371 	return MCIERR_INVALID_FILE;
372     }
373 
374     if (fourcc != mmioFOURCC('M', 'T', 'r', 'k')) {
375 	WARN("Can't synchronize on 'MTrk' !\n");
376 	return MCIERR_INVALID_FILE;
377     }
378 
379     if (MIDI_mciReadLong(wmm, &toberead) != 0) {
380 	return MCIERR_INVALID_FILE;
381     }
382     mmt->dwFirst = mmioSeek(wmm->hFile, 0, SEEK_CUR); /* >= 0 */
383     mmt->dwLast = mmt->dwFirst + toberead;
384 
385     /* compute # of pulses in this track */
386     mmt->dwIndex = mmt->dwFirst;
387     mmt->dwEventPulse = 0;
388 
389     while (MIDI_mciReadNextEvent(wmm, mmt) == 0 && LOWORD(mmt->dwEventData) != 0x2FFF) {
390 	char	buf[1024];
391 	WORD	len;
392 
393 	mmt->dwIndex += mmt->wEventLength;
394 
395 	switch (LOWORD(mmt->dwEventData)) {
396 	case 0x02FF:
397 	case 0x03FF:
398 	    /* position after meta data header */
399 	    mmioSeek(wmm->hFile, mmt->dwIndex + HIWORD(mmt->dwEventData), SEEK_SET);
400 	    len = mmt->wEventLength - HIWORD(mmt->dwEventData);
401 
402 	    if (len >= sizeof(buf)) {
403 		WARN("Buffer for text is too small (%u are needed)\n", len);
404 		len = sizeof(buf) - 1;
405 	    }
406             if (mmioRead(wmm->hFile, buf, len) == len) {
407 		buf[len] = 0;	/* end string in case */
408 		switch (HIBYTE(LOWORD(mmt->dwEventData))) {
409 		case 0x02:
410 		    if (wmm->lpstrCopyright) {
411 			WARN("Two copyright notices (%s|%s)\n", debugstr_w(wmm->lpstrCopyright), buf);
412 		    } else {
413                         len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
414                         wmm->lpstrCopyright = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
415                         len = MultiByteToWideChar( CP_ACP, 0, buf, -1, wmm->lpstrCopyright, len );
416 		    }
417 		    break;
418 		case 0x03:
419 		    if (wmm->lpstrName) {
420 			WARN("Two names (%s|%s)\n", debugstr_w(wmm->lpstrName), buf);
421 		    } else {
422                         len = MultiByteToWideChar( CP_ACP, 0, buf, -1, NULL, 0 );
423                         wmm->lpstrName = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
424                         len = MultiByteToWideChar( CP_ACP, 0, buf, -1, wmm->lpstrName, len );
425 		    }
426 		    break;
427 		}
428 	    }
429 	    break;
430 	}
431     }
432     mmt->dwLength = mmt->dwEventPulse;
433 
434     TRACE("Track %u has %u bytes and %u pulses\n", mmt->wTrackNr, toberead, mmt->dwLength);
435 
436     /* reset track data */
437     mmt->wStatus = 1;	/* ok, playing */
438     mmt->dwIndex = mmt->dwFirst;
439     mmt->dwEventPulse = 0;
440 
441     if (mmioSeek(wmm->hFile, 0, SEEK_CUR) != mmt->dwLast) {
442 	WARN("Ouch, out of sync seek=%u track=%u\n",
443 	     mmioSeek(wmm->hFile, 0, SEEK_CUR), mmt->dwLast);
444 	/* position at end of this track, to be ready to read next track */
445 	mmioSeek(wmm->hFile, mmt->dwLast, SEEK_SET);
446     }
447 
448     return 0;
449 }
450 
451 /**************************************************************************
452  * 				MIDI_mciReadMThd		[internal]
453  */
454 static DWORD MIDI_mciReadMThd(WINE_MCIMIDI* wmm, DWORD dwOffset)
455 {
456     DWORD	toberead;
457     FOURCC	fourcc;
458     WORD	nt;
459 
460     TRACE("(%p, %08X);\n", wmm, dwOffset);
461 
462     if (mmioSeek(wmm->hFile, dwOffset, SEEK_SET) != dwOffset) {
463 	WARN("Can't seek at %08X begin of 'MThd'\n", dwOffset);
464 	return MCIERR_INVALID_FILE;
465     }
466     if (mmioRead(wmm->hFile, (HPSTR)&fourcc,
467 		   (long) sizeof(FOURCC)) != (long) sizeof(FOURCC))
468 	return MCIERR_INVALID_FILE;
469 
470     if (fourcc != mmioFOURCC('M', 'T', 'h', 'd')) {
471 	WARN("Can't synchronize on 'MThd' !\n");
472 	return MCIERR_INVALID_FILE;
473     }
474 
475     if (MIDI_mciReadLong(wmm, &toberead) != 0 || toberead < 3 * sizeof(WORD))
476 	return MCIERR_INVALID_FILE;
477 
478     if (MIDI_mciReadWord(wmm, &wmm->wFormat) != 0 ||
479 	MIDI_mciReadWord(wmm, &wmm->nTracks) != 0 ||
480 	MIDI_mciReadWord(wmm, &wmm->nDivision) != 0) {
481 	return MCIERR_INVALID_FILE;
482     }
483 
484     TRACE("toberead=0x%08X, wFormat=0x%04X nTracks=0x%04X nDivision=0x%04X\n",
485 	  toberead, wmm->wFormat, wmm->nTracks, wmm->nDivision);
486 
487     /* MS doc says that the MIDI MCI time format must be put by default to the format
488      * stored in the MIDI file...
489      */
490     if (wmm->nDivision > 0x8000) {
491 	/* eric.pouech@lemel.fr 98/11
492 	 * I did not check this very code (pulses are expressed as SMPTE sub-frames).
493 	 * In about 40 MB of MIDI files I have, none was SMPTE based...
494 	 * I'm just wondering if this is widely used :-). So, if someone has one of
495 	 * these files, I'd like to know about it.
496 	 */
497 	FIXME("Handling SMPTE time in MIDI files has not been tested\n"
498 	      "Please report to comp.emulators.ms-windows.wine with MIDI file !\n");
499 
500 	switch (HIBYTE(wmm->nDivision)) {
501 	case 0xE8:	wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_24;	break;	/* -24 */
502 	case 0xE7:	wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_25;	break;	/* -25 */
503 	case 0xE3:	wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_30DROP;	break;	/* -29 */ /* is the MCI constant correct ? */
504 	case 0xE2:	wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_30;	break;	/* -30 */
505 	default:
506 	    WARN("Unsupported number of frames %d\n", -(char)HIBYTE(wmm->nDivision));
507 	    return MCIERR_INVALID_FILE;
508 	}
509 	switch (LOBYTE(wmm->nDivision)) {
510 	case 4:	/* MIDI Time Code */
511 	case 8:
512 	case 10:
513 	case 80: /* SMPTE bit resolution */
514 	case 100:
515 	default:
516 	    WARN("Unsupported number of sub-frames %d\n", LOBYTE(wmm->nDivision));
517 	    return MCIERR_INVALID_FILE;
518 	}
519     } else if (wmm->nDivision == 0) {
520 	WARN("Number of division is 0, can't support that !!\n");
521 	return MCIERR_INVALID_FILE;
522     } else {
523 	wmm->dwMciTimeFormat = MCI_FORMAT_MILLISECONDS;
524     }
525 
526     switch (wmm->wFormat) {
527     case 0:
528 	if (wmm->nTracks != 1) {
529 	    WARN("Got type 0 file whose number of track is not 1. Setting it to 1\n");
530 	    wmm->nTracks = 1;
531 	}
532 	break;
533     case 1:
534     case 2:
535 	break;
536     default:
537 	WARN("Handling MIDI files which format = %d is not (yet) supported\n"
538 	     "Please report with MIDI file !\n", wmm->wFormat);
539 	return MCIERR_INVALID_FILE;
540     }
541 
542     if (wmm->nTracks & 0x8000) {
543 	/* this shouldn't be a problem... */
544 	WARN("Ouch !! Implementation limitation to 32k tracks per MIDI file is overflowed\n");
545 	wmm->nTracks = 0x7FFF;
546     }
547 
548     if ((wmm->tracks = HeapAlloc(GetProcessHeap(), 0, sizeof(MCI_MIDITRACK) * wmm->nTracks)) == NULL) {
549 	return MCIERR_OUT_OF_MEMORY;
550     }
551 
552     toberead -= 3 * sizeof(WORD);
553     if (toberead > 0) {
554 	TRACE("Size of MThd > 6, skipping %d extra bytes\n", toberead);
555 	mmioSeek(wmm->hFile, toberead, SEEK_CUR);
556     }
557 
558     for (nt = 0; nt < wmm->nTracks; nt++) {
559 	wmm->tracks[nt].wTrackNr = nt;
560 	if (MIDI_mciReadMTrk(wmm, &wmm->tracks[nt]) != 0) {
561 	    WARN("Can't read 'MTrk' header\n");
562 	    return MCIERR_INVALID_FILE;
563 	}
564     }
565 
566     wmm->dwTempo = 500000;
567 
568     return 0;
569 }
570 
571 /**************************************************************************
572  * 			MIDI_ConvertPulseToMS			[internal]
573  */
574 static	DWORD	MIDI_ConvertPulseToMS(WINE_MCIMIDI* wmm, DWORD pulse)
575 {
576     DWORD	ret = 0;
577 
578     /* FIXME: this function may return false values since the tempo (wmm->dwTempo)
579      * may change during file playing
580      */
581     if (wmm->nDivision == 0) {
582 	FIXME("Shouldn't happen. wmm->nDivision = 0\n");
583     } else if (wmm->nDivision > 0x8000) { /* SMPTE, unchecked FIXME? */
584 	int	nf = -(char)HIBYTE(wmm->nDivision);	/* number of frames     */
585 	int	nsf = LOBYTE(wmm->nDivision);		/* number of sub-frames */
586 	ret = (pulse * 1000) / (nf * nsf);
587     } else {
588 	ret = (DWORD)((double)pulse * ((double)wmm->dwTempo / 1000) /
589 		      (double)wmm->nDivision);
590     }
591 
592     /*
593       TRACE("pulse=%u tempo=%u division=%u=0x%04x => ms=%u\n",
594       pulse, wmm->dwTempo, wmm->nDivision, wmm->nDivision, ret);
595     */
596 
597     return ret;
598 }
599 
600 #define TIME_MS_IN_ONE_HOUR	(60*60*1000)
601 #define TIME_MS_IN_ONE_MINUTE	(60*1000)
602 #define TIME_MS_IN_ONE_SECOND	(1000)
603 
604 /**************************************************************************
605  * 			MIDI_ConvertTimeFormatToMS		[internal]
606  */
607 static	DWORD	MIDI_ConvertTimeFormatToMS(WINE_MCIMIDI* wmm, DWORD val)
608 {
609     DWORD	ret = 0;
610 
611     switch (wmm->dwMciTimeFormat) {
612     case MCI_FORMAT_MILLISECONDS:
613 	ret = val;
614 	break;
615     case MCI_FORMAT_SMPTE_24:
616 	ret =
617 	    (HIBYTE(HIWORD(val)) * 125) / 3 +             LOBYTE(HIWORD(val)) * TIME_MS_IN_ONE_SECOND +
618 	    HIBYTE(LOWORD(val)) * TIME_MS_IN_ONE_MINUTE + LOBYTE(LOWORD(val)) * TIME_MS_IN_ONE_HOUR;
619 	break;
620     case MCI_FORMAT_SMPTE_25:
621 	ret =
622 	    HIBYTE(HIWORD(val)) * 40 + 		  	  LOBYTE(HIWORD(val)) * TIME_MS_IN_ONE_SECOND +
623 	    HIBYTE(LOWORD(val)) * TIME_MS_IN_ONE_MINUTE + LOBYTE(LOWORD(val)) * TIME_MS_IN_ONE_HOUR;
624 	break;
625     case MCI_FORMAT_SMPTE_30:
626 	ret =
627 	    (HIBYTE(HIWORD(val)) * 100) / 3 + 		  LOBYTE(HIWORD(val)) * TIME_MS_IN_ONE_SECOND +
628 	    HIBYTE(LOWORD(val)) * TIME_MS_IN_ONE_MINUTE + LOBYTE(LOWORD(val)) * TIME_MS_IN_ONE_HOUR;
629 	break;
630     default:
631 	WARN("Bad time format %u!\n", wmm->dwMciTimeFormat);
632     }
633     /*
634       TRACE("val=%u=0x%08x [tf=%u] => ret=%u\n", val, val, wmm->dwMciTimeFormat, ret);
635     */
636     return ret;
637 }
638 
639 /**************************************************************************
640  * 			MIDI_ConvertMSToTimeFormat		[internal]
641  */
642 static	DWORD	MIDI_ConvertMSToTimeFormat(WINE_MCIMIDI* wmm, DWORD _val)
643 {
644     DWORD	ret = 0, val = _val;
645     DWORD	h, m, s, f;
646 
647     switch (wmm->dwMciTimeFormat) {
648     case MCI_FORMAT_MILLISECONDS:
649 	ret = val;
650 	break;
651     case MCI_FORMAT_SMPTE_24:
652     case MCI_FORMAT_SMPTE_25:
653     case MCI_FORMAT_SMPTE_30:
654 	h = val / TIME_MS_IN_ONE_HOUR;
655 	m = (val -= h * TIME_MS_IN_ONE_HOUR)   / TIME_MS_IN_ONE_MINUTE;
656 	s = (val -= m * TIME_MS_IN_ONE_MINUTE) / TIME_MS_IN_ONE_SECOND;
657 	switch (wmm->dwMciTimeFormat) {
658 	case MCI_FORMAT_SMPTE_24:
659 	    /* one frame is 1000/24 val long, 1000/24 == 125/3 */
660 	    f = (val * 3) / 125; 	val -= (f * 125) / 3;
661 	    break;
662 	case MCI_FORMAT_SMPTE_25:
663 	    /* one frame is 1000/25 ms long, 1000/25 == 40 */
664 	    f = val / 40; 		val -= f * 40;
665 	    break;
666 	case MCI_FORMAT_SMPTE_30:
667 	    /* one frame is 1000/30 ms long, 1000/30 == 100/3 */
668 	    f = (val * 3) / 100; 	val -= (f * 100) / 3;
669 	    break;
670 	default:
671 	    FIXME("There must be some bad bad programmer\n");
672 	    f = 0;
673 	}
674 	/* val contains the number of ms which cannot make a complete frame */
675 	/* FIXME: is this correct ? programs seem to be happy with that */
676 	ret = (f << 24) | (s << 16) | (m << 8) | (h << 0);
677 	break;
678     default:
679 	WARN("Bad time format %u!\n", wmm->dwMciTimeFormat);
680     }
681     /*
682       TRACE("val=%u [tf=%u] => ret=%u=0x%08x\n", _val, wmm->dwMciTimeFormat, ret, ret);
683     */
684     return ret;
685 }
686 
687 /**************************************************************************
688  * 			MIDI_GetMThdLengthMS			[internal]
689  */
690 static	DWORD	MIDI_GetMThdLengthMS(WINE_MCIMIDI* wmm)
691 {
692     WORD	nt;
693     DWORD	ret = 0;
694 
695     for (nt = 0; nt < wmm->nTracks; nt++) {
696 	if (wmm->wFormat == 2) {
697 	    ret += wmm->tracks[nt].dwLength;
698 	} else if (wmm->tracks[nt].dwLength > ret) {
699 	    ret = wmm->tracks[nt].dwLength;
700 	}
701     }
702     /* FIXME: this is wrong if there is a tempo change inside the file */
703     return MIDI_ConvertPulseToMS(wmm, ret);
704 }
705 
706 /**************************************************************************
707  * 				MIDI_mciOpen			[internal]
708  */
709 static DWORD MIDI_mciOpen(UINT wDevID, DWORD dwFlags, LPMCI_OPEN_PARMSW lpParms)
710 {
711     DWORD		dwRet = 0;
712     DWORD		dwDeviceID;
713     WINE_MCIMIDI*	wmm = (WINE_MCIMIDI*)mciGetDriverData(wDevID);
714 
715     TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
716 
717     if (lpParms == NULL) 	return MCIERR_NULL_PARAMETER_BLOCK;
718     if (wmm == NULL)		return MCIERR_INVALID_DEVICE_ID;
719     if (dwFlags & MCI_OPEN_SHAREABLE)
720 	return MCIERR_HARDWARE;
721 
722     if (wmm->nUseCount > 0) {
723 	/* The driver is already opened on this channel
724 	 * MIDI sequencer cannot be shared
725 	 */
726 	return MCIERR_DEVICE_OPEN;
727     }
728     wmm->nUseCount++;
729 
730     wmm->hFile = 0;
731     wmm->hMidi = 0;
732     wmm->lpstrElementName = NULL;
733     dwDeviceID = lpParms->wDeviceID;
734 
735     TRACE("wDevID=%04X (lpParams->wDeviceID=%08X)\n", wDevID, dwDeviceID);
736     /*	lpParms->wDeviceID = wDevID;*/
737 
738     if (dwFlags & MCI_OPEN_ELEMENT) {
739 	TRACE("MCI_OPEN_ELEMENT %s!\n", debugstr_w(lpParms->lpstrElementName));
740 	if (lpParms->lpstrElementName && strlenW(lpParms->lpstrElementName) > 0) {
741 	    wmm->hFile = mmioOpenW((LPWSTR)lpParms->lpstrElementName, NULL,
742 				   MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
743 	    if (wmm->hFile == 0) {
744 		WARN("Can't find file %s!\n", debugstr_w(lpParms->lpstrElementName));
745 		wmm->nUseCount--;
746 		return MCIERR_FILE_NOT_FOUND;
747 	    }
748             wmm->lpstrElementName = HeapAlloc(GetProcessHeap(), 0,
749                                               (strlenW(lpParms->lpstrElementName) + 1) * sizeof(WCHAR));
750             strcpyW(wmm->lpstrElementName, lpParms->lpstrElementName);
751 	}
752     }
753     TRACE("hFile=%p\n", wmm->hFile);
754 
755     wmm->lpstrCopyright = NULL;
756     wmm->lpstrName = NULL;
757 
758     wmm->wNotifyDeviceID = dwDeviceID;
759     wmm->dwStatus = MCI_MODE_NOT_READY;	/* while loading file contents */
760     /* spec says it should be the default format from the MIDI file... */
761     wmm->dwMciTimeFormat = MCI_FORMAT_MILLISECONDS;
762 
763     if (wmm->hFile != 0) {
764 	MMCKINFO	ckMainRIFF;
765 	MMCKINFO	mmckInfo;
766 	DWORD		dwOffset = 0;
767 
768 	if (mmioDescend(wmm->hFile, &ckMainRIFF, NULL, 0) != 0) {
769 	    dwRet = MCIERR_INVALID_FILE;
770 	} else {
771 	    TRACE("ParentChunk ckid=%.4s fccType=%.4s cksize=%08X\n",
772 		  (LPSTR)&ckMainRIFF.ckid, (LPSTR)&ckMainRIFF.fccType, ckMainRIFF.cksize);
773 
774 	    if (ckMainRIFF.ckid == FOURCC_RIFF && ckMainRIFF.fccType == mmioFOURCC('R', 'M', 'I', 'D')) {
775 		mmckInfo.ckid = mmioFOURCC('d', 'a', 't', 'a');
776 		mmioSeek(wmm->hFile, ckMainRIFF.dwDataOffset + ((ckMainRIFF.cksize + 1) & ~1), SEEK_SET);
777 		if (mmioDescend(wmm->hFile, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK) == 0) {
778 		    TRACE("... is a 'RMID' file\n");
779 		    dwOffset = mmckInfo.dwDataOffset;
780 		} else {
781 		    dwRet = MCIERR_INVALID_FILE;
782 		}
783 	    }
784 	    if (dwRet == 0 && MIDI_mciReadMThd(wmm, dwOffset) != 0) {
785 		WARN("Can't read 'MThd' header\n");
786 		dwRet = MCIERR_INVALID_FILE;
787 	    }
788 	}
789     } else {
790 	TRACE("hFile==0, setting #tracks to 0; is this correct ?\n");
791 	wmm->nTracks = 0;
792 	wmm->wFormat = 0;
793 	wmm->nDivision = 1;
794     }
795     if (dwRet != 0) {
796 	wmm->nUseCount--;
797 	if (wmm->hFile != 0)
798 	    mmioClose(wmm->hFile, 0);
799 	wmm->hFile = 0;
800     } else {
801 	wmm->dwPositionMS = 0;
802 	wmm->dwStatus = MCI_MODE_STOP;
803     }
804     return dwRet;
805 }
806 
807 /**************************************************************************
808  * 				MIDI_mciStop			[internal]
809  */
810 static DWORD MIDI_mciStop(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
811 {
812     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
813 
814     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
815 
816     if (wmm == NULL)	return MCIERR_INVALID_DEVICE_ID;
817 
818     if (wmm->dwStatus != MCI_MODE_STOP) {
819 	int	oldstat = wmm->dwStatus;
820 
821 	wmm->dwStatus = MCI_MODE_NOT_READY;
822 	if (oldstat == MCI_MODE_PAUSE)
823 	    midiOutReset((HMIDIOUT)wmm->hMidi);
824 
825 	while (wmm->dwStatus != MCI_MODE_STOP)
826 	    Sleep(10);
827     }
828 
829     /* sanity reset */
830     wmm->dwStatus = MCI_MODE_STOP;
831 
832     TRACE("wmm->dwStatus=%d\n", wmm->dwStatus);
833 
834     if (lpParms && (dwFlags & MCI_NOTIFY)) {
835 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
836 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
837 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
838     }
839     return 0;
840 }
841 
842 /**************************************************************************
843  * 				MIDI_mciClose			[internal]
844  */
845 static DWORD MIDI_mciClose(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
846 {
847     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
848 
849     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
850 
851     if (wmm == NULL)	return MCIERR_INVALID_DEVICE_ID;
852 
853     if (wmm->dwStatus != MCI_MODE_STOP) {
854 	MIDI_mciStop(wDevID, MCI_WAIT, lpParms);
855     }
856 
857     wmm->nUseCount--;
858     if (wmm->nUseCount == 0) {
859 	if (wmm->hFile != 0) {
860 	    mmioClose(wmm->hFile, 0);
861 	    wmm->hFile = 0;
862 	    TRACE("hFile closed !\n");
863 	}
864 	HeapFree(GetProcessHeap(), 0, wmm->tracks);
865 	HeapFree(GetProcessHeap(), 0, wmm->lpstrElementName);
866 	HeapFree(GetProcessHeap(), 0, wmm->lpstrCopyright);
867 	HeapFree(GetProcessHeap(), 0, wmm->lpstrName);
868     } else {
869 	TRACE("Shouldn't happen... nUseCount=%d\n", wmm->nUseCount);
870 	return MCIERR_INTERNAL;
871     }
872 
873     if (lpParms && (dwFlags & MCI_NOTIFY)) {
874 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
875 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
876 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
877     }
878     return 0;
879 }
880 
881 /**************************************************************************
882  * 				MIDI_mciFindNextEvent		[internal]
883  */
884 static MCI_MIDITRACK*	MIDI_mciFindNextEvent(WINE_MCIMIDI* wmm, LPDWORD hiPulse)
885 {
886     WORD		cnt, nt;
887     MCI_MIDITRACK*	mmt;
888 
889     *hiPulse = 0xFFFFFFFFul;
890     cnt = 0xFFFFu;
891     for (nt = 0; nt < wmm->nTracks; nt++) {
892 	mmt = &wmm->tracks[nt];
893 
894 	if (mmt->wStatus == 0)
895 	    continue;
896 	if (mmt->dwEventPulse < *hiPulse) {
897 	    *hiPulse = mmt->dwEventPulse;
898 	    cnt = nt;
899 	}
900     }
901     return (cnt == 0xFFFFu) ? 0 /* no more event on all tracks */
902 	: &wmm->tracks[cnt];
903 }
904 
905 /**************************************************************************
906  * 				MIDI_mciPlay			[internal]
907  */
908 static DWORD MIDI_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms)
909 {
910     DWORD		dwStartMS, dwEndMS;
911     DWORD		dwRet = 0;
912     WORD		doPlay, nt;
913     MCI_MIDITRACK*	mmt;
914     DWORD		hiPulse;
915     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
916 
917     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
918 
919     if (wmm == NULL)	return MCIERR_INVALID_DEVICE_ID;
920 
921     if (wmm->hFile == 0) {
922 	WARN("Can't play: no file %s!\n", debugstr_w(wmm->lpstrElementName));
923 	return MCIERR_FILE_NOT_FOUND;
924     }
925 
926     if (wmm->dwStatus != MCI_MODE_STOP) {
927 	if (wmm->dwStatus == MCI_MODE_PAUSE) {
928 	    /* FIXME: parameters (start/end) in lpParams may not be used */
929 	    return MIDI_mciResume(wDevID, dwFlags, (LPMCI_GENERIC_PARMS)lpParms);
930 	}
931 	WARN("Can't play: device is not stopped !\n");
932 	return MCIERR_INTERNAL;
933     }
934 
935     if (!(dwFlags & MCI_WAIT)) {
936 	/** FIXME: I'm not 100% sure that wNotifyDeviceID is the right value in all cases ??? */
937 	return MCI_SendCommandAsync(wmm->wNotifyDeviceID, MCI_PLAY, dwFlags, (DWORD_PTR)lpParms, sizeof(LPMCI_PLAY_PARMS));
938     }
939 
940     if (lpParms && (dwFlags & MCI_FROM)) {
941 	dwStartMS = MIDI_ConvertTimeFormatToMS(wmm, lpParms->dwFrom);
942     } else {
943 	dwStartMS = wmm->dwPositionMS;
944     }
945 
946     if (lpParms && (dwFlags & MCI_TO)) {
947 	dwEndMS = MIDI_ConvertTimeFormatToMS(wmm, lpParms->dwTo);
948     } else {
949 	dwEndMS = 0xFFFFFFFFul;
950     }
951 
952     TRACE("Playing from %u to %u\n", dwStartMS, dwEndMS);
953 
954     /* init tracks */
955     for (nt = 0; nt < wmm->nTracks; nt++) {
956 	mmt = &wmm->tracks[nt];
957 
958 	mmt->wStatus = 1;	/* ok, playing */
959 	mmt->dwIndex = mmt->dwFirst;
960 	if (wmm->wFormat == 2 && nt > 0) {
961 	    mmt->dwEventPulse = wmm->tracks[nt - 1].dwLength;
962 	} else {
963 	    mmt->dwEventPulse = 0;
964 	}
965 	MIDI_mciReadNextEvent(wmm, mmt); /* FIXME == 0 */
966     }
967 
968     dwRet = midiOutOpen((LPHMIDIOUT)&wmm->hMidi, MIDIMAPPER, 0L, 0L, CALLBACK_NULL);
969     /*	dwRet = midiInOpen(&wmm->hMidi, MIDIMAPPER, 0L, 0L, CALLBACK_NULL);*/
970     if (dwRet != MMSYSERR_NOERROR) {
971 	return dwRet;
972     }
973 
974     wmm->dwPulse = 0;
975     wmm->dwTempo = 500000;
976     wmm->dwStatus = MCI_MODE_PLAY;
977     wmm->dwPositionMS = 0;
978     wmm->wStartedPlaying = FALSE;
979 
980     while (wmm->dwStatus != MCI_MODE_STOP && wmm->dwStatus != MCI_MODE_NOT_READY) {
981 	/* it seems that in case of multi-threading, gcc is optimizing just a little bit
982 	 * too much. Tell gcc not to optimize status value using volatile.
983 	 */
984 	while (((volatile WINE_MCIMIDI*)wmm)->dwStatus == MCI_MODE_PAUSE);
985 
986 	doPlay = (wmm->dwPositionMS >= dwStartMS && wmm->dwPositionMS <= dwEndMS);
987 
988 	TRACE("wmm->dwStatus=%d, doPlay=%c\n", wmm->dwStatus, doPlay ? 'T' : 'F');
989 
990 	if ((mmt = MIDI_mciFindNextEvent(wmm, &hiPulse)) == NULL)
991 	    break;  /* no more event on tracks */
992 
993 	/* if starting playing, then set StartTicks to the value it would have had
994 	 * if play had started at position 0
995 	 */
996 	if (doPlay && !wmm->wStartedPlaying) {
997 	    wmm->dwStartTicks = GetTickCount() - MIDI_ConvertPulseToMS(wmm, wmm->dwPulse);
998 	    wmm->wStartedPlaying = TRUE;
999 	    TRACE("Setting dwStartTicks to %u\n", wmm->dwStartTicks);
1000 	}
1001 
1002 	if (hiPulse > wmm->dwPulse) {
1003 	    wmm->dwPositionMS += MIDI_ConvertPulseToMS(wmm, hiPulse - wmm->dwPulse);
1004 	    if (doPlay) {
1005 		DWORD	togo = wmm->dwStartTicks + wmm->dwPositionMS;
1006 		DWORD	tc = GetTickCount();
1007 
1008 		TRACE("Pulses hi=0x%08x <> cur=0x%08x\n", hiPulse, wmm->dwPulse);
1009 		TRACE("Wait until %u => %u ms\n",
1010 		      tc - wmm->dwStartTicks, togo - wmm->dwStartTicks);
1011 		if (tc < togo)
1012 		    Sleep(togo - tc);
1013 	    }
1014 	    wmm->dwPulse = hiPulse;
1015 	}
1016 
1017 	switch (LOBYTE(LOWORD(mmt->dwEventData))) {
1018 	case 0xF0:
1019 	case 0xF7:	/* sysex events */
1020 	    {
1021 		FIXME("Not handling SysEx events (yet)\n");
1022 	    }
1023 	    break;
1024 	case 0xFF:
1025 	    /* position after meta data header */
1026 	    mmioSeek(wmm->hFile, mmt->dwIndex + HIWORD(mmt->dwEventData), SEEK_SET);
1027 	    switch (HIBYTE(LOWORD(mmt->dwEventData))) {
1028 	    case 0x00: /* 16-bit sequence number */
1029 		if (TRACE_ON(mcimidi)) {
1030 		    WORD	twd;
1031 
1032 		    MIDI_mciReadWord(wmm, &twd);	/* == 0 */
1033 		    TRACE("Got sequence number %u\n", twd);
1034 		}
1035 		break;
1036 	    case 0x01: /* any text */
1037 	    case 0x02: /* Copyright Message text */
1038 	    case 0x03: /* Sequence/Track Name text */
1039 	    case 0x04: /* Instrument Name text */
1040 	    case 0x05: /* Lyric text */
1041 	    case 0x06: /* Marker text */
1042 	    case 0x07: /* Cue-point text */
1043 		if (TRACE_ON(mcimidi)) {
1044 		    char	buf[1024];
1045 		    WORD	len = mmt->wEventLength - HIWORD(mmt->dwEventData);
1046 		    static const char* const	info[8] = {"", "Text", "Copyright", "Seq/Trk name",
1047 							   "Instrument", "Lyric", "Marker", "Cue-point"};
1048 		    WORD	idx = HIBYTE(LOWORD(mmt->dwEventData));
1049 
1050 		    if (len >= sizeof(buf)) {
1051 			WARN("Buffer for text is too small (%u are needed)\n", len);
1052 			len = sizeof(buf) - 1;
1053 		    }
1054                     if (mmioRead(wmm->hFile, buf, len) == len) {
1055 			buf[len] = 0;	/* end string in case */
1056 			TRACE("%s => \"%s\"\n", (idx < 8 ) ? info[idx] : "", buf);
1057 		    } else {
1058 			WARN("Couldn't read data for %s\n", (idx < 8) ? info[idx] : "");
1059 		    }
1060 		}
1061 		break;
1062 	    case 0x20:
1063 		/* MIDI channel (cc) */
1064 		if (FIXME_ON(mcimidi)) {
1065 		    BYTE	bt;
1066 
1067 		    MIDI_mciReadByte(wmm, &bt);	/* == 0 */
1068 		    FIXME("NIY: MIDI channel=%u, track=%u\n", bt, mmt->wTrackNr);
1069 		}
1070 		break;
1071 	    case 0x21:
1072 		/* MIDI port (pp) */
1073 		if (FIXME_ON(mcimidi)) {
1074 		    BYTE	bt;
1075 
1076 		    MIDI_mciReadByte(wmm, &bt);	/* == 0 */
1077 		    FIXME("NIY: MIDI port=%u, track=%u\n", bt, mmt->wTrackNr);
1078 		}
1079 		break;
1080 	    case 0x2F: /* end of track */
1081 		mmt->wStatus = 0;
1082 		break;
1083 	    case 0x51:/* set tempo */
1084 		/* Tempo is expressed in -seconds per midi quarter note
1085 		 * for format 1 MIDI files, this can only be present on track #0
1086 		 */
1087 		if (mmt->wTrackNr != 0 && wmm->wFormat == 1) {
1088 		    WARN("For format #1 MIDI files, tempo can only be changed on track #0 (%u)\n", mmt->wTrackNr);
1089 		} else {
1090 		    BYTE	tbt;
1091 		    DWORD	value = 0;
1092 
1093 		    MIDI_mciReadByte(wmm, &tbt);	value  = ((DWORD)tbt) << 16;
1094 		    MIDI_mciReadByte(wmm, &tbt);	value |= ((DWORD)tbt) << 8;
1095 		    MIDI_mciReadByte(wmm, &tbt);	value |= ((DWORD)tbt) << 0;
1096 		    TRACE("Setting tempo to %d (BPM=%d)\n", wmm->dwTempo, (value) ? (60000000 / value) : 0);
1097 		    wmm->dwTempo = value;
1098 		}
1099 		break;
1100 	    case 0x54: /* (hour) (min) (second) (frame) (fractional-frame) - SMPTE track start */
1101 		if (mmt->wTrackNr != 0 && wmm->wFormat == 1) {
1102 		    WARN("For format #1 MIDI files, SMPTE track start can only be expressed on track #0 (%u)\n", mmt->wTrackNr);
1103 		} if (mmt->dwEventPulse != 0) {
1104 		    WARN("SMPTE track start can only be expressed at start of track (%u)\n", mmt->dwEventPulse);
1105 		} else {
1106 		    BYTE	h, m, s, f, ff;
1107 
1108 		    MIDI_mciReadByte(wmm, &h);
1109 		    MIDI_mciReadByte(wmm, &m);
1110 		    MIDI_mciReadByte(wmm, &s);
1111 		    MIDI_mciReadByte(wmm, &f);
1112 		    MIDI_mciReadByte(wmm, &ff);
1113 		    FIXME("NIY: SMPTE track start %u:%u:%u %u.%u\n", h, m, s, f, ff);
1114 		}
1115 		break;
1116 	    case 0x58: /* file rhythm */
1117 		if (TRACE_ON(mcimidi)) {
1118 		    BYTE	num, den, cpmc, _32npqn;
1119 
1120 		    MIDI_mciReadByte(wmm, &num);
1121 		    MIDI_mciReadByte(wmm, &den);		/* to notate e.g. 6/8 */
1122 		    MIDI_mciReadByte(wmm, &cpmc);		/* number of MIDI clocks per metronome click */
1123 		    MIDI_mciReadByte(wmm, &_32npqn);		/* number of notated 32nd notes per MIDI quarter note */
1124 
1125 		    TRACE("%u/%u, clock per metronome click=%u, 32nd notes by 1/4 note=%u\n", num, 1 << den, cpmc, _32npqn);
1126 		}
1127 		break;
1128 	    case 0x59: /* key signature */
1129 		if (TRACE_ON(mcimidi)) {
1130 		    BYTE	sf, mm;
1131 
1132 		    MIDI_mciReadByte(wmm, &sf);
1133 		    MIDI_mciReadByte(wmm, &mm);
1134 
1135 		    if (sf >= 0x80) 	TRACE("%d flats\n", -(char)sf);
1136 		    else if (sf > 0) 	TRACE("%d sharps\n", (char)sf);
1137 		    else 		TRACE("Key of C\n");
1138 		    TRACE("Mode: %s\n", (mm == 0) ? "major" : "minor");
1139 		}
1140 		break;
1141 	    default:
1142 		WARN("Unknown MIDI meta event %02x. Skipping...\n", HIBYTE(LOWORD(mmt->dwEventData)));
1143 		break;
1144 	    }
1145 	    break;
1146 	default:
1147 	    if (doPlay) {
1148 		dwRet = midiOutShortMsg((HMIDIOUT)wmm->hMidi, mmt->dwEventData);
1149 	    } else {
1150 		switch (LOBYTE(LOWORD(mmt->dwEventData)) & 0xF0) {
1151 		case MIDI_NOTEON:
1152 		case MIDI_NOTEOFF:
1153 		    dwRet = 0;
1154 		    break;
1155 		default:
1156 		    dwRet = midiOutShortMsg((HMIDIOUT)wmm->hMidi, mmt->dwEventData);
1157 		}
1158 	    }
1159 	}
1160 	mmt->dwIndex += mmt->wEventLength;
1161 	if (mmt->dwIndex < mmt->dwFirst || mmt->dwIndex >= mmt->dwLast) {
1162 	    mmt->wStatus = 0;
1163 	}
1164 	if (mmt->wStatus) {
1165 	    MIDI_mciReadNextEvent(wmm, mmt);
1166 	}
1167     }
1168 
1169     midiOutReset((HMIDIOUT)wmm->hMidi);
1170 
1171     dwRet = midiOutClose((HMIDIOUT)wmm->hMidi);
1172     /* to restart playing at beginning when it's over */
1173     wmm->dwPositionMS = 0;
1174 
1175     if (lpParms && (dwFlags & MCI_NOTIFY)) {
1176 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
1177 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
1178 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
1179     }
1180 
1181     wmm->dwStatus = MCI_MODE_STOP;
1182     return dwRet;
1183 }
1184 
1185 /**************************************************************************
1186  * 				MIDI_mciRecord			[internal]
1187  */
1188 static DWORD MIDI_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_RECORD_PARMS lpParms)
1189 {
1190     int			start, end;
1191     MIDIHDR		midiHdr;
1192     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1193 
1194     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1195 
1196     if (wmm == 0)	return MCIERR_INVALID_DEVICE_ID;
1197 
1198     if (wmm->hFile == 0) {
1199 	WARN("Can't find file=%s!\n", debugstr_w(wmm->lpstrElementName));
1200 	return MCIERR_FILE_NOT_FOUND;
1201     }
1202     start = 1; 		end = 99999;
1203     if (lpParms && (dwFlags & MCI_FROM)) {
1204 	start = lpParms->dwFrom;
1205 	TRACE("MCI_FROM=%d\n", start);
1206     }
1207     if (lpParms && (dwFlags & MCI_TO)) {
1208 	end = lpParms->dwTo;
1209 	TRACE("MCI_TO=%d\n", end);
1210     }
1211     midiHdr.lpData = HeapAlloc(GetProcessHeap(), 0, 1200);
1212     if (!midiHdr.lpData)
1213 	return MCIERR_OUT_OF_MEMORY;
1214     midiHdr.dwBufferLength = 1024;
1215     midiHdr.dwUser = 0L;
1216     midiHdr.dwFlags = 0L;
1217     midiInPrepareHeader((HMIDIIN)wmm->hMidi, &midiHdr, sizeof(MIDIHDR));
1218     TRACE("After MIDM_PREPARE\n");
1219     wmm->dwStatus = MCI_MODE_RECORD;
1220     /* FIXME: there is no buffer added */
1221     while (wmm->dwStatus != MCI_MODE_STOP) {
1222 	TRACE("wmm->dwStatus=%p %d\n",
1223 	      &wmm->dwStatus, wmm->dwStatus);
1224 	midiHdr.dwBytesRecorded = 0;
1225 	midiInStart((HMIDIIN)wmm->hMidi);
1226 	TRACE("midiInStart => dwBytesRecorded=%u\n", midiHdr.dwBytesRecorded);
1227 	if (midiHdr.dwBytesRecorded == 0) break;
1228     }
1229     TRACE("Before MIDM_UNPREPARE\n");
1230     midiInUnprepareHeader((HMIDIIN)wmm->hMidi, &midiHdr, sizeof(MIDIHDR));
1231     TRACE("After MIDM_UNPREPARE\n");
1232     HeapFree(GetProcessHeap(), 0, midiHdr.lpData);
1233     midiHdr.lpData = NULL;
1234     wmm->dwStatus = MCI_MODE_STOP;
1235     if (lpParms && (dwFlags & MCI_NOTIFY)) {
1236 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
1237 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
1238 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
1239     }
1240     return 0;
1241 }
1242 
1243 /**************************************************************************
1244  * 				MIDI_mciPause			[internal]
1245  */
1246 static DWORD MIDI_mciPause(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
1247 {
1248     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1249 
1250     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1251 
1252     if (wmm == NULL)	return MCIERR_INVALID_DEVICE_ID;
1253 
1254     if (wmm->dwStatus == MCI_MODE_PLAY) {
1255 	/* stop all notes */
1256 	unsigned chn;
1257 	for (chn = 0; chn < 16; chn++)
1258 	    midiOutShortMsg((HMIDIOUT)(wmm->hMidi), 0x78B0 | chn);
1259 	wmm->dwStatus = MCI_MODE_PAUSE;
1260     }
1261     if (lpParms && (dwFlags & MCI_NOTIFY)) {
1262 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
1263 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
1264 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
1265     }
1266 
1267     return 0;
1268 }
1269 
1270 /**************************************************************************
1271  * 				MIDI_mciResume			[internal]
1272  */
1273 static DWORD MIDI_mciResume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
1274 {
1275     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1276 
1277     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1278 
1279     if (wmm == NULL)	return MCIERR_INVALID_DEVICE_ID;
1280 
1281     if (wmm->dwStatus == MCI_MODE_PAUSE) {
1282 	wmm->wStartedPlaying = FALSE;
1283 	wmm->dwStatus = MCI_MODE_PLAY;
1284     }
1285     if (lpParms && (dwFlags & MCI_NOTIFY)) {
1286 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
1287 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
1288 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
1289     }
1290     return 0;
1291 }
1292 
1293 /**************************************************************************
1294  * 				MIDI_mciSet			[internal]
1295  */
1296 static DWORD MIDI_mciSet(UINT wDevID, DWORD dwFlags, LPMCI_SET_PARMS lpParms)
1297 {
1298     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1299 
1300     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1301 
1302     if (lpParms == NULL)	return MCIERR_NULL_PARAMETER_BLOCK;
1303     if (wmm == NULL)		return MCIERR_INVALID_DEVICE_ID;
1304 
1305     if (dwFlags & MCI_SET_TIME_FORMAT) {
1306 	switch (lpParms->dwTimeFormat) {
1307 	case MCI_FORMAT_MILLISECONDS:
1308 	    TRACE("MCI_FORMAT_MILLISECONDS !\n");
1309 	    wmm->dwMciTimeFormat = MCI_FORMAT_MILLISECONDS;
1310 	    break;
1311 	case MCI_FORMAT_SMPTE_24:
1312 	    TRACE("MCI_FORMAT_SMPTE_24 !\n");
1313 	    wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_24;
1314 	    break;
1315 	case MCI_FORMAT_SMPTE_25:
1316 	    TRACE("MCI_FORMAT_SMPTE_25 !\n");
1317 	    wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_25;
1318 	    break;
1319 	case MCI_FORMAT_SMPTE_30:
1320 	    TRACE("MCI_FORMAT_SMPTE_30 !\n");
1321 	    wmm->dwMciTimeFormat = MCI_FORMAT_SMPTE_30;
1322 	    break;
1323 	default:
1324 	    WARN("Bad time format %u!\n", lpParms->dwTimeFormat);
1325 	    return MCIERR_BAD_TIME_FORMAT;
1326 	}
1327     }
1328     if (dwFlags & MCI_SET_VIDEO) {
1329 	TRACE("No support for video !\n");
1330 	return MCIERR_UNSUPPORTED_FUNCTION;
1331     }
1332     if (dwFlags & MCI_SET_DOOR_OPEN) {
1333 	TRACE("No support for door open !\n");
1334 	return MCIERR_UNSUPPORTED_FUNCTION;
1335     }
1336     if (dwFlags & MCI_SET_DOOR_CLOSED) {
1337 	TRACE("No support for door close !\n");
1338 	return MCIERR_UNSUPPORTED_FUNCTION;
1339     }
1340     if (dwFlags & MCI_SET_AUDIO) {
1341 	if (dwFlags & MCI_SET_ON) {
1342 	    TRACE("MCI_SET_ON audio !\n");
1343 	} else if (dwFlags & MCI_SET_OFF) {
1344 	    TRACE("MCI_SET_OFF audio !\n");
1345 	} else {
1346 	    WARN("MCI_SET_AUDIO without SET_ON or SET_OFF\n");
1347 	    return MCIERR_BAD_INTEGER;
1348 	}
1349 
1350 	switch (lpParms->dwAudio)
1351         {
1352         case MCI_SET_AUDIO_ALL:         TRACE("MCI_SET_AUDIO_ALL !\n"); break;
1353         case MCI_SET_AUDIO_LEFT:        TRACE("MCI_SET_AUDIO_LEFT !\n"); break;
1354         case MCI_SET_AUDIO_RIGHT:       TRACE("MCI_SET_AUDIO_RIGHT !\n"); break;
1355         default:                        WARN("Unknown audio channel %u\n", lpParms->dwAudio); break;
1356         }
1357     }
1358 
1359     if (dwFlags & MCI_SEQ_SET_MASTER)
1360 	TRACE("MCI_SEQ_SET_MASTER !\n");
1361     if (dwFlags & MCI_SEQ_SET_SLAVE)
1362 	TRACE("MCI_SEQ_SET_SLAVE !\n");
1363     if (dwFlags & MCI_SEQ_SET_OFFSET)
1364 	TRACE("MCI_SEQ_SET_OFFSET !\n");
1365     if (dwFlags & MCI_SEQ_SET_PORT)
1366 	TRACE("MCI_SEQ_SET_PORT !\n");
1367     if (dwFlags & MCI_SEQ_SET_TEMPO)
1368 	TRACE("MCI_SEQ_SET_TEMPO !\n");
1369     return 0;
1370 }
1371 
1372 /**************************************************************************
1373  * 				MIDI_mciStatus			[internal]
1374  */
1375 static DWORD MIDI_mciStatus(UINT wDevID, DWORD dwFlags, LPMCI_STATUS_PARMS lpParms)
1376 {
1377     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1378     DWORD		ret = 0;
1379 
1380     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1381 
1382     if (lpParms == NULL) 	return MCIERR_NULL_PARAMETER_BLOCK;
1383     if (wmm == NULL)		return MCIERR_INVALID_DEVICE_ID;
1384 
1385     if (dwFlags & MCI_STATUS_ITEM) {
1386 	switch (lpParms->dwItem) {
1387 	case MCI_STATUS_CURRENT_TRACK:
1388 	    /* FIXME in Format 2 */
1389 	    lpParms->dwReturn = 1;
1390 	    TRACE("MCI_STATUS_CURRENT_TRACK => %lu\n", lpParms->dwReturn);
1391 	    break;
1392 	case MCI_STATUS_LENGTH:
1393 	    if ((dwFlags & MCI_TRACK) && wmm->wFormat == 2) {
1394 		if (lpParms->dwTrack >= wmm->nTracks)
1395 		    return MCIERR_BAD_INTEGER;
1396 		/* FIXME: this is wrong if there is a tempo change inside the file */
1397 		lpParms->dwReturn = MIDI_ConvertPulseToMS(wmm, wmm->tracks[lpParms->dwTrack].dwLength);
1398 	    } else {
1399 		lpParms->dwReturn = MIDI_GetMThdLengthMS(wmm);
1400 	    }
1401 	    lpParms->dwReturn = MIDI_ConvertMSToTimeFormat(wmm, lpParms->dwReturn);
1402 	    TRACE("MCI_STATUS_LENGTH => %lu\n", lpParms->dwReturn);
1403 	    break;
1404 	case MCI_STATUS_MODE:
1405 	    TRACE("MCI_STATUS_MODE => %u\n", wmm->dwStatus);
1406  	    lpParms->dwReturn = MAKEMCIRESOURCE(wmm->dwStatus, wmm->dwStatus);
1407 	    ret = MCI_RESOURCE_RETURNED;
1408 	    break;
1409 	case MCI_STATUS_MEDIA_PRESENT:
1410 	    TRACE("MCI_STATUS_MEDIA_PRESENT => TRUE\n");
1411 	    lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1412 	    ret = MCI_RESOURCE_RETURNED;
1413 	    break;
1414 	case MCI_STATUS_NUMBER_OF_TRACKS:
1415 	    lpParms->dwReturn = (wmm->wFormat == 2) ? wmm->nTracks : 1;
1416 	    TRACE("MCI_STATUS_NUMBER_OF_TRACKS => %lu\n", lpParms->dwReturn);
1417 	    break;
1418 	case MCI_STATUS_POSITION:
1419 	    /* FIXME: do I need to use MCI_TRACK ? */
1420 	    lpParms->dwReturn = MIDI_ConvertMSToTimeFormat(wmm,
1421 							   (dwFlags & MCI_STATUS_START) ? 0 : wmm->dwPositionMS);
1422 	    TRACE("MCI_STATUS_POSITION %s => %lu\n",
1423 		  (dwFlags & MCI_STATUS_START) ? "start" : "current", lpParms->dwReturn);
1424 	    break;
1425 	case MCI_STATUS_READY:
1426 	    lpParms->dwReturn = (wmm->dwStatus == MCI_MODE_NOT_READY) ?
1427 		MAKEMCIRESOURCE(FALSE, MCI_FALSE) : MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1428 	    ret = MCI_RESOURCE_RETURNED;
1429 	    TRACE("MCI_STATUS_READY = %u\n", LOWORD(lpParms->dwReturn));
1430 	    break;
1431 	case MCI_STATUS_TIME_FORMAT:
1432 	    lpParms->dwReturn = MAKEMCIRESOURCE(wmm->dwMciTimeFormat, MCI_FORMAT_RETURN_BASE + wmm->dwMciTimeFormat);
1433 	    TRACE("MCI_STATUS_TIME_FORMAT => %u\n", LOWORD(lpParms->dwReturn));
1434 	    ret = MCI_RESOURCE_RETURNED;
1435 	    break;
1436 	case MCI_SEQ_STATUS_DIVTYPE:
1437 	    TRACE("MCI_SEQ_STATUS_DIVTYPE !\n");
1438 	    if (wmm->nDivision > 0x8000) {
1439 		switch (wmm->nDivision) {
1440 		case 0xE8:	lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_24;	break;	/* -24 */
1441 		case 0xE7:	lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_25;	break;	/* -25 */
1442 		case 0xE3:	lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_30DROP;	break;	/* -29 */ /* is the MCI constant correct ? */
1443 		case 0xE2:	lpParms->dwReturn = MCI_SEQ_DIV_SMPTE_30;	break;	/* -30 */
1444 		default:	FIXME("There is a bad bad programmer\n");
1445 		}
1446 	    } else {
1447 		lpParms->dwReturn = MCI_SEQ_DIV_PPQN;
1448 	    }
1449 	    lpParms->dwReturn = MAKEMCIRESOURCE(lpParms->dwReturn,lpParms->dwReturn);
1450 	    ret = MCI_RESOURCE_RETURNED;
1451 	    break;
1452 	case MCI_SEQ_STATUS_MASTER:
1453 	    TRACE("MCI_SEQ_STATUS_MASTER !\n");
1454 	    lpParms->dwReturn = 0;
1455 	    break;
1456 	case MCI_SEQ_STATUS_SLAVE:
1457 	    TRACE("MCI_SEQ_STATUS_SLAVE !\n");
1458 	    lpParms->dwReturn = 0;
1459 	    break;
1460 	case MCI_SEQ_STATUS_OFFSET:
1461 	    TRACE("MCI_SEQ_STATUS_OFFSET !\n");
1462 	    lpParms->dwReturn = 0;
1463 	    break;
1464 	case MCI_SEQ_STATUS_PORT:
1465 	    TRACE("MCI_SEQ_STATUS_PORT (%u)!\n", wmm->wDevID);
1466 	    lpParms->dwReturn = MIDI_MAPPER;
1467 	    break;
1468 	case MCI_SEQ_STATUS_TEMPO:
1469 	    TRACE("MCI_SEQ_STATUS_TEMPO !\n");
1470 	    lpParms->dwReturn = wmm->dwTempo;
1471 	    break;
1472 	default:
1473 	    FIXME("Unknown command %08X !\n", lpParms->dwItem);
1474 	    return MCIERR_UNRECOGNIZED_COMMAND;
1475 	}
1476     } else {
1477 	WARN("No Status-Item!\n");
1478 	return MCIERR_UNRECOGNIZED_COMMAND;
1479     }
1480     if (dwFlags & MCI_NOTIFY) {
1481 	TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
1482 	mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
1483 			wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
1484     }
1485     return ret;
1486 }
1487 
1488 /**************************************************************************
1489  * 				MIDI_mciGetDevCaps		[internal]
1490  */
1491 static DWORD MIDI_mciGetDevCaps(UINT wDevID, DWORD dwFlags,
1492 				LPMCI_GETDEVCAPS_PARMS lpParms)
1493 {
1494     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1495     DWORD		ret;
1496 
1497     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1498 
1499     if (lpParms == NULL) 	return MCIERR_NULL_PARAMETER_BLOCK;
1500     if (wmm == NULL)		return MCIERR_INVALID_DEVICE_ID;
1501 
1502     if (dwFlags & MCI_GETDEVCAPS_ITEM) {
1503 	switch (lpParms->dwItem) {
1504 	case MCI_GETDEVCAPS_DEVICE_TYPE:
1505 	    TRACE("MCI_GETDEVCAPS_DEVICE_TYPE !\n");
1506 	    lpParms->dwReturn = MAKEMCIRESOURCE(MCI_DEVTYPE_SEQUENCER, MCI_DEVTYPE_SEQUENCER);
1507 	    ret = MCI_RESOURCE_RETURNED;
1508 	    break;
1509 	case MCI_GETDEVCAPS_HAS_AUDIO:
1510 	    TRACE("MCI_GETDEVCAPS_HAS_AUDIO !\n");
1511 	    lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1512 	    ret = MCI_RESOURCE_RETURNED;
1513 	    break;
1514 	case MCI_GETDEVCAPS_HAS_VIDEO:
1515 	    TRACE("MCI_GETDEVCAPS_HAS_VIDEO !\n");
1516 	    lpParms->dwReturn = MAKEMCIRESOURCE(FALSE, MCI_FALSE);
1517 	    ret = MCI_RESOURCE_RETURNED;
1518 	    break;
1519 	case MCI_GETDEVCAPS_USES_FILES:
1520 	    TRACE("MCI_GETDEVCAPS_USES_FILES !\n");
1521 	    lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1522 	    ret = MCI_RESOURCE_RETURNED;
1523 	    break;
1524 	case MCI_GETDEVCAPS_COMPOUND_DEVICE:
1525 	    TRACE("MCI_GETDEVCAPS_COMPOUND_DEVICE !\n");
1526 	    lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1527 	    ret = MCI_RESOURCE_RETURNED;
1528 	    break;
1529 	case MCI_GETDEVCAPS_CAN_EJECT:
1530 	    TRACE("MCI_GETDEVCAPS_CAN_EJECT !\n");
1531 	    lpParms->dwReturn = MAKEMCIRESOURCE(FALSE, MCI_FALSE);
1532 	    ret = MCI_RESOURCE_RETURNED;
1533 	    break;
1534 	case MCI_GETDEVCAPS_CAN_PLAY:
1535 	    TRACE("MCI_GETDEVCAPS_CAN_PLAY !\n");
1536 	    lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1537 	    ret = MCI_RESOURCE_RETURNED;
1538 	    break;
1539 	case MCI_GETDEVCAPS_CAN_RECORD:
1540 	    TRACE("MCI_GETDEVCAPS_CAN_RECORD !\n");
1541 	    lpParms->dwReturn = MAKEMCIRESOURCE(TRUE, MCI_TRUE);
1542 	    ret = MCI_RESOURCE_RETURNED;
1543 	    break;
1544 	case MCI_GETDEVCAPS_CAN_SAVE:
1545 	    TRACE("MCI_GETDEVCAPS_CAN_SAVE !\n");
1546 	    lpParms->dwReturn = MAKEMCIRESOURCE(FALSE, MCI_FALSE);
1547 	    ret = MCI_RESOURCE_RETURNED;
1548 	    break;
1549 	default:
1550 	    FIXME("Unknown capability (%08x) !\n", lpParms->dwItem);
1551 	    return MCIERR_UNRECOGNIZED_COMMAND;
1552 	}
1553     } else {
1554 	WARN("No GetDevCaps-Item !\n");
1555 	return MCIERR_UNRECOGNIZED_COMMAND;
1556     }
1557     return ret;
1558 }
1559 
1560 /**************************************************************************
1561  * 				MIDI_mciInfo			[internal]
1562  */
1563 static DWORD MIDI_mciInfo(UINT wDevID, DWORD dwFlags, LPMCI_INFO_PARMSW lpParms)
1564 {
1565     LPCWSTR		str = 0;
1566     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1567     DWORD		ret = 0;
1568     static const WCHAR wszMidiSeq[] = {'W','i','n','e','\'','s',' ','M','I','D','I',' ','s','e','q','u','e','n','c','e','r',0};
1569 
1570     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1571 
1572     if (lpParms == NULL || lpParms->lpstrReturn == NULL)
1573 	return MCIERR_NULL_PARAMETER_BLOCK;
1574     if (wmm == NULL) return MCIERR_INVALID_DEVICE_ID;
1575 
1576     TRACE("buf=%p, len=%u\n", lpParms->lpstrReturn, lpParms->dwRetSize);
1577 
1578     switch (dwFlags & ~(MCI_WAIT|MCI_NOTIFY)) {
1579     case MCI_INFO_PRODUCT:      str = wszMidiSeq; break;
1580     case MCI_INFO_FILE:         str = wmm->lpstrElementName; break;
1581     case MCI_INFO_COPYRIGHT:    str = wmm->lpstrCopyright; break;
1582     case MCI_INFO_NAME:         str = wmm->lpstrName; break;
1583     default:
1584 	WARN("Don't know this info command (%u)\n", dwFlags);
1585 	return MCIERR_UNRECOGNIZED_COMMAND;
1586     }
1587     if (str) {
1588 	if (lpParms->dwRetSize <= strlenW(str)) {
1589 	    lstrcpynW(lpParms->lpstrReturn, str, lpParms->dwRetSize - 1);
1590 	    ret = MCIERR_PARAM_OVERFLOW;
1591 	} else {
1592 	    strcpyW(lpParms->lpstrReturn, str);
1593 	}
1594     } else {
1595 	*lpParms->lpstrReturn = 0;
1596     }
1597     return ret;
1598 }
1599 
1600 /**************************************************************************
1601  * 				MIDI_mciSeek			[internal]
1602  */
1603 static DWORD MIDI_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms)
1604 {
1605     DWORD		ret = 0;
1606     WINE_MCIMIDI*	wmm = MIDI_mciGetOpenDev(wDevID);
1607 
1608     TRACE("(%04X, %08X, %p);\n", wDevID, dwFlags, lpParms);
1609 
1610     if (lpParms == NULL) {
1611 	ret = MCIERR_NULL_PARAMETER_BLOCK;
1612     } else if (wmm == NULL) {
1613 	ret = MCIERR_INVALID_DEVICE_ID;
1614     } else {
1615 	MIDI_mciStop(wDevID, MCI_WAIT, 0);
1616 
1617 	if (dwFlags & MCI_SEEK_TO_START) {
1618 	    wmm->dwPositionMS = 0;
1619 	} else if (dwFlags & MCI_SEEK_TO_END) {
1620 	    wmm->dwPositionMS = 0xFFFFFFFF; /* FIXME */
1621 	} else if (dwFlags & MCI_TO) {
1622 	    wmm->dwPositionMS = MIDI_ConvertTimeFormatToMS(wmm, lpParms->dwTo);
1623 	} else {
1624 	    WARN("dwFlag doesn't tell where to seek to...\n");
1625 	    return MCIERR_MISSING_PARAMETER;
1626 	}
1627 
1628 	TRACE("Seeking to position=%u ms\n", wmm->dwPositionMS);
1629 
1630 	if (dwFlags & MCI_NOTIFY) {
1631 	    TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
1632 	    mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
1633 			    wmm->wNotifyDeviceID, MCI_NOTIFY_SUCCESSFUL);
1634 	}
1635     }
1636     return ret;
1637 }
1638 
1639 /*======================================================================*
1640  *                  	    MIDI entry points 				*
1641  *======================================================================*/
1642 
1643 /**************************************************************************
1644  * 				DriverProc (MCISEQ.@)
1645  */
1646 LRESULT CALLBACK MCIMIDI_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
1647                                     LPARAM dwParam1, LPARAM dwParam2)
1648 {
1649     switch (wMsg) {
1650     case DRV_LOAD:		return 1;
1651     case DRV_FREE:		return 1;
1652     case DRV_ENABLE:		return 1;
1653     case DRV_DISABLE:		return 1;
1654     case DRV_QUERYCONFIGURE:	return 1;
1655     case DRV_CONFIGURE:		MessageBoxA(0, "Sample Midi Driver !", "OSS Driver", MB_OK); return 1;
1656     case DRV_INSTALL:		return DRVCNF_RESTART;
1657     case DRV_REMOVE:		return DRVCNF_RESTART;
1658     case DRV_OPEN:		return MIDI_drvOpen((LPCWSTR)dwParam1, (LPMCI_OPEN_DRIVER_PARMSW)dwParam2);
1659     case DRV_CLOSE:		return MIDI_drvClose(dwDevID);
1660     }
1661 
1662     if (dwDevID == 0xFFFFFFFF) return MCIERR_UNSUPPORTED_FUNCTION;
1663 
1664     switch (wMsg) {
1665     case MCI_OPEN_DRIVER:	return MIDI_mciOpen      (dwDevID, dwParam1, (LPMCI_OPEN_PARMSW)     dwParam2);
1666     case MCI_CLOSE_DRIVER:	return MIDI_mciClose     (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
1667     case MCI_PLAY:		return MIDI_mciPlay      (dwDevID, dwParam1, (LPMCI_PLAY_PARMS)      dwParam2);
1668     case MCI_RECORD:		return MIDI_mciRecord    (dwDevID, dwParam1, (LPMCI_RECORD_PARMS)    dwParam2);
1669     case MCI_STOP:		return MIDI_mciStop      (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
1670     case MCI_SET:		return MIDI_mciSet       (dwDevID, dwParam1, (LPMCI_SET_PARMS)       dwParam2);
1671     case MCI_PAUSE:		return MIDI_mciPause     (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
1672     case MCI_RESUME:		return MIDI_mciResume    (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS)   dwParam2);
1673     case MCI_STATUS:		return MIDI_mciStatus    (dwDevID, dwParam1, (LPMCI_STATUS_PARMS)    dwParam2);
1674     case MCI_GETDEVCAPS:	return MIDI_mciGetDevCaps(dwDevID, dwParam1, (LPMCI_GETDEVCAPS_PARMS)dwParam2);
1675     case MCI_INFO:		return MIDI_mciInfo      (dwDevID, dwParam1, (LPMCI_INFO_PARMSW)     dwParam2);
1676     case MCI_SEEK:		return MIDI_mciSeek      (dwDevID, dwParam1, (LPMCI_SEEK_PARMS)      dwParam2);
1677     /* commands that should be supported */
1678     case MCI_LOAD:
1679     case MCI_SAVE:
1680     case MCI_FREEZE:
1681     case MCI_PUT:
1682     case MCI_REALIZE:
1683     case MCI_UNFREEZE:
1684     case MCI_UPDATE:
1685     case MCI_WHERE:
1686     case MCI_STEP:
1687     case MCI_SPIN:
1688     case MCI_ESCAPE:
1689     case MCI_COPY:
1690     case MCI_CUT:
1691     case MCI_DELETE:
1692     case MCI_PASTE:
1693 	WARN("Unsupported command [%u]\n", wMsg);
1694 	break;
1695     /* commands that should report an error */
1696     case MCI_WINDOW:
1697 	TRACE("Unsupported command [%u]\n", wMsg);
1698 	break;
1699     case MCI_OPEN:
1700     case MCI_CLOSE:
1701 	FIXME("Shouldn't receive a MCI_OPEN or CLOSE message\n");
1702 	break;
1703     default:
1704 	TRACE("Sending msg [%u] to default driver proc\n", wMsg);
1705 	return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
1706     }
1707     return MCIERR_UNRECOGNIZED_COMMAND;
1708 }
1709