source: trunk/src/winmm/mcicda/os2cdrom.cpp@ 4709

Last change on this file since 4709 was 4709, checked in by sandervl, 25 years ago

CW: Rewrote for OS/2
File size: 11.5 KB
Line 
1/* -*- tab-width: 8; c-basic-offset: 4 -*- */
2/*
3 * MCI CDAUDIO Driver for OS/2. Interface to OS/2 DosIOCtrl()
4 *
5 * Copyright 2000 Chris Wohlgemuth
6 *
7 * Project Odin Software License can be found in LICENSE.TXT
8 *
9 */
10
11
12#define INCL_DOSDEVICES
13#define INCL_DOSDEVIOCTL
14#define INCL_DOS
15
16#include <os2wrap.h>
17//#include <cdrom.h>
18
19#pragma pack(1)
20
21typedef struct{
22 UCHAR ucFirstTrack;
23 UCHAR ucLastTrack;
24 ULONG ulLeadOut;
25}CDINFO;
26
27typedef struct
28{
29 ULONG ulTrackAddress;
30 UCHAR ucTCInfo;
31}CDTRACKINFO;
32
33typedef struct
34{
35 UCHAR signature[4];
36 UCHAR ucTrackNum;
37}TINFOPARAM;
38
39typedef struct
40{
41 UCHAR ucFrames;
42 UCHAR ucSeconds;
43 UCHAR ucMinutes;
44 UCHAR ucNotUsed;
45}MSF;
46
47typedef struct
48{
49 USHORT usStatusBits;
50 ULONG ulStarting;
51 ULONG ulEnding;
52}AUDIOSTATUS;
53
54typedef struct
55{
56 UCHAR signature[4];
57 UCHAR ucAddressMode;
58 ULONG ulStartSector;
59 ULONG ulEndSector;
60}PLAYPARAM2;
61
62typedef struct
63{
64 UCHAR signature[4];
65 UCHAR ucAddressMode;
66 ULONG ulTo;
67}SEEKPARAM;
68
69typedef struct
70{
71 UCHAR ucCtrlAdr;
72 UCHAR ucTrack;
73 UCHAR ucIndex;
74 UCHAR ucTrackMins;
75 UCHAR ucTrackSecs;
76 UCHAR UCTrackFrames;
77 UCHAR ucNull;
78 UCHAR ucDiskMins;
79 UCHAR ucDiskSecs;
80 UCHAR ucDiskFrames;
81}SUBCHANNELQ;
82
83#pragma pack()
84
85
86LONG static _CDCalculateSector(MSF* msf1)
87{
88 return ((msf1->ucMinutes*60+msf1->ucSeconds)*75+msf1->ucFrames);
89}
90
91
92HFILE os2CDOpen(char *drive)
93{
94 HFILE hfDrive = 0;
95 ULONG ulAction;
96 ULONG rc;
97
98 rc = DosOpen(drive, &hfDrive, &ulAction, 0,
99 FILE_NORMAL, OPEN_ACTION_OPEN_IF_EXISTS,
100 OPEN_SHARE_DENYNONE | OPEN_ACCESS_READONLY |
101 OPEN_FLAGS_DASD|OPEN_FLAGS_FAIL_ON_ERROR, NULL);
102
103 if(rc)
104 return 0;//Error
105
106 return hfDrive;
107}
108
109ULONG os2CDClose(ULONG hfOS2Handle)
110{
111 return DosClose(hfOS2Handle);
112}
113
114/******************************************/
115/* Result:
116 0: Error
117 -1: CD is Data Disk
118 other: # Audio tracks */
119/******************************************/
120int os2GetNumTracks(HFILE hfOS2Handle, ULONG *ulLeadOut)
121{
122 ULONG ulParamLen;
123 ULONG ulDataLen;
124 ULONG rc;
125 CDINFO cdInfo;
126 TINFOPARAM tip;
127 CDTRACKINFO trackInfo;
128
129 ulDataLen=sizeof(cdInfo);
130 ulParamLen=4;
131
132 if(!hfOS2Handle)
133 return 0;
134
135 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIODISK,
136 "CD01", 4, &ulParamLen, &cdInfo,
137 sizeof(cdInfo), &ulDataLen);
138
139 if(rc) {
140 return 0;//Error
141 }
142
143 ulDataLen=sizeof(trackInfo);
144 ulParamLen=sizeof(TINFOPARAM);
145 tip.signature[0]='C';
146 tip.signature[1]='D';
147 tip.signature[2]='0';
148 tip.signature[3]='1';
149 tip.ucTrackNum=1;
150
151 /* We have a disc. Check if it's audio */
152 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
153 &tip, sizeof(tip), &ulParamLen, &trackInfo,
154 sizeof(trackInfo), &ulDataLen);
155
156 if(rc) {
157 return 0;//Error
158 }
159
160 if(trackInfo.ucTCInfo & 0x40) {
161 return -1;//It's a data track
162 }
163 *ulLeadOut=cdInfo.ulLeadOut;
164 return cdInfo.ucLastTrack-cdInfo.ucFirstTrack+1;
165}
166
167BOOL os2GetCDStatus(HFILE hfOS2Handle, ULONG *ulStatus)
168{
169 ULONG ulParamLen;
170 ULONG ulDeviceStatus;
171 ULONG ulDataLen;
172 ULONG rc;
173
174 ulDeviceStatus=0;
175
176 /* Get status */
177 ulDataLen=sizeof(ulDeviceStatus);
178 ulParamLen=4;
179 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMDISK, CDROMDISK_DEVICESTATUS,
180 "CD01", 4, &ulParamLen, &ulDeviceStatus,
181 sizeof(ulDeviceStatus), &ulDataLen);
182 if(rc) {
183 return FALSE;//Error
184 }
185
186 *ulStatus=ulDeviceStatus;
187 return TRUE;
188}
189
190BOOL os2GetCDAudioStatus(HFILE hfOS2Handle, USHORT *usStatus)
191{
192 AUDIOSTATUS asStatus;
193 ULONG ulParamLen;
194 ULONG ulDataLen;
195 ULONG rc;
196
197 /* Get status */
198
199 ulDataLen=sizeof(asStatus);
200 ulParamLen=4;
201
202 /* Get information */
203 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOSTATUS,
204 "CD01", 4, &ulParamLen, &asStatus,
205 sizeof(asStatus), &ulDataLen);
206 if(rc) {
207 *usStatus=rc;
208 return FALSE;//Error
209 }
210 *usStatus=asStatus.usStatusBits;
211 return TRUE;
212}
213
214/* Returns sector info of track #numTrack */
215/* Starting with track 0 */
216ULONG os2CDQueryTrackStartSector( HFILE hfDrive, ULONG numTrack)
217{
218 ULONG ulParamLen;
219 ULONG ulDataLen;
220 ULONG rc;
221 CDINFO cdInfo;
222 TINFOPARAM tip;
223 CDTRACKINFO trackInfo[2];
224
225 do {
226 if(!hfDrive)
227 break;
228
229 /* Get cd info */
230 ulDataLen=sizeof(cdInfo);
231 ulParamLen=4;
232 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIODISK,
233 "CD01", 4, &ulParamLen, &cdInfo,
234 sizeof(cdInfo), &ulDataLen);
235 if(rc)
236 break;//Error
237
238 ulDataLen=sizeof(trackInfo);
239 ulParamLen=sizeof(TINFOPARAM);
240 tip.signature[0]='C';
241 tip.signature[1]='D';
242 tip.signature[2]='0';
243 tip.signature[3]='1';
244 /* Get information about our track */
245 tip.ucTrackNum=numTrack+1;
246 if(tip.ucTrackNum<=cdInfo.ucLastTrack) {
247 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
248 &tip, sizeof(tip), &ulParamLen, &trackInfo[0],
249 sizeof(trackInfo[0]), &ulDataLen);
250 if(rc)
251 break;//Error
252 }else
253 return _CDCalculateSector((MSF*)&cdInfo.ulLeadOut);
254
255
256 return _CDCalculateSector((MSF*)&trackInfo[0].ulTrackAddress);
257
258 }while(TRUE);
259
260 /* error */
261 return 0;
262}
263
264
265BOOL os2CDEject(HFILE hfDrive)
266{
267 ULONG ulParamLen;
268 ULONG rc;
269
270 if(!hfDrive)
271 return FALSE;
272
273 ulParamLen=4;
274 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMDISK, CDROMDISK_EJECTDISK,
275 "CD01", 4, &ulParamLen,0,
276 0, 0);
277 if(rc)
278 return FALSE;//Error
279
280 return TRUE;
281}
282
283#ifndef CDROMDISK_CLOSETRAY
284#define CDROMDISK_CLOSETRAY 0x0045
285#endif
286
287BOOL os2CDCloseTray(HFILE hfDrive)
288{
289 ULONG ulParamLen;
290 ULONG rc;
291
292 if(!hfDrive)
293 return FALSE;
294
295 ulParamLen=4;
296 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMDISK, CDROMDISK_CLOSETRAY,
297 "CD01", 4, &ulParamLen,0,
298 0, 0);
299 if(rc)
300 return FALSE;//Error
301
302 return TRUE;
303}
304
305BOOL os2CDStop(HFILE hfDrive)
306{
307 ULONG ulParamLen;
308 ULONG rc;
309
310 if(!hfDrive)
311 return FALSE;
312
313
314
315 /* Stop CD */
316 ulParamLen=4;
317 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_STOPAUDIO,
318 "CD01", 4, &ulParamLen,0,
319 0, 0);
320 if(rc)
321 return FALSE;//Error
322
323 return TRUE;
324}
325
326
327/*****************************************/
328/* */
329/* Plays frame range */
330/* */
331/* Returns TRUE if successful */
332/* */
333/*****************************************/
334BOOL os2CDPlayRange(HFILE hfDrive ,ULONG ulFrom, ULONG ulTo)
335{
336 ULONG ulParamLen;
337 ULONG ulDataLen;
338 ULONG rc;
339 CDINFO cdInfo;
340 TINFOPARAM tip;
341 CDTRACKINFO trackInfo[2];
342 PLAYPARAM2 playParam={0};
343
344 if(!hfDrive)
345 return FALSE;
346
347 //memcpy(&playParam,PlayParam, sizeof(playParam));
348 /* Play the Track... */
349 ulParamLen=sizeof(PLAYPARAM2);
350 playParam.signature[0]='C';
351 playParam.signature[1]='D';
352 playParam.signature[2]='0';
353 playParam.signature[3]='1';
354 //playParam.ucAddressMode=01;
355 playParam.ulStartSector=ulFrom;
356 playParam.ulEndSector=ulTo;
357
358 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_PLAYAUDIO,
359 &playParam, sizeof(playParam), &ulParamLen,0,
360 0, 0);
361 return rc;
362 if(rc)
363 return FALSE;
364
365 return TRUE;
366}
367
368BOOL os2CDResume(HFILE hfDrive)
369{
370 ULONG ulParamLen;
371 ULONG rc;
372
373 if(!hfDrive)
374 return FALSE;
375
376 /* Stop CD */
377 ulParamLen=4;
378 rc = DosDevIOCtl(hfDrive, IOCTL_CDROMAUDIO, CDROMAUDIO_RESUMEAUDIO,
379 "CD01", 4, &ulParamLen,0,
380 0, 0);
381 if(rc)
382 return FALSE;//Error
383
384 return TRUE;
385}
386
387BOOL os2CDGetHeadLocation(HFILE hfOS2Handle, ULONG *ulHeadLocation)
388{
389 UCHAR ucParam[5]={0};
390 ULONG ulParamLen;
391 ULONG ulDeviceStatus;
392 ULONG ulDataLen;
393 ULONG rc;
394
395 ulDeviceStatus=0;
396
397 if(!hfOS2Handle)
398 return FALSE;
399
400 /* Get Location */
401 ulDataLen=sizeof(ulDeviceStatus);
402 ulParamLen=5;
403 ucParam[0]='C';
404 ucParam[1]='D';
405 ucParam[2]='0';
406 ucParam[3]='1';
407 ucParam[4]=0;
408
409 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMDISK, CDROMDISK_GETHEADLOC,
410 &ucParam, 5, &ulParamLen, &ulDeviceStatus,
411 sizeof(ulDeviceStatus), &ulDataLen);
412 if(rc) {
413 return FALSE;//Error
414 }
415
416 *ulHeadLocation=ulDeviceStatus;
417 return TRUE;
418
419}
420
421BOOL os2CDSeek(HFILE hfOS2Handle, ULONG ulTo)
422{
423 SEEKPARAM sp={0};
424 ULONG ulParamLen;
425 ULONG rc;
426
427 if(!hfOS2Handle)
428 return FALSE;
429
430 sp.signature[0]='C';
431 sp.signature[1]='D';
432 sp.signature[2]='0';
433 sp.signature[3]='1';
434 sp.ulTo=ulTo;
435
436 ulParamLen=sizeof(sp);
437
438 /* We have a disc. Check if it's audio */
439 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMDISK, CDROMDISK_SEEK,
440 &sp, sizeof(sp), &ulParamLen, 0,
441 0, 0);
442
443 if(rc) {
444 return FALSE;//Error
445 }
446
447 return TRUE;
448}
449
450BOOL os2CDQueryCurTrack(HFILE hfOS2Handle, UINT * uiCurTrack)
451{
452 ULONG ulParamLen;
453 ULONG ulDeviceStatus;
454 ULONG ulDataLen;
455 ULONG rc;
456 SUBCHANNELQ scq;
457
458
459 if(!hfOS2Handle)
460 return FALSE;
461
462
463 /* Get status */
464 ulDataLen=sizeof(scq);
465 ulParamLen=4;
466 rc = DosDevIOCtl(hfOS2Handle, IOCTL_CDROMAUDIO, CDROMAUDIO_GETSUBCHANNELQ,
467 "CD01", 4, &ulParamLen, &scq,
468 sizeof(scq), &ulDataLen);
469 if(rc) {
470 return FALSE;//Error
471 }
472 *uiCurTrack=(scq.ucTrack & 0xF)+(scq.ucTrack & 0xF0)*10;
473 return TRUE;
474}
475
476/**************************************************************/
477/* */
478/* This funktion returns the CD-Drives in the system */
479/* */
480/* iNumCD (output): # of CD-Drives */
481/* cFirstDrive (output): first cd-Drive letter */
482/* returns TRUE: We have cd-drives */
483/* */
484/**************************************************************/
485BOOL os2CDQueryCDDrives(int *iNumCD, char * cFirstDrive)
486{
487 HFILE hfDevice;
488 ULONG ulAction;
489 ULONG ulLen;
490 static char cFirst=0;
491 static int iNumCDLocal=0;
492 static BOOL haveCD=FALSE;
493 static BOOL done=FALSE;
494
495 struct
496 {
497 USHORT usCountCD;
498 USHORT usFirstCD;
499 } CDInfo;
500
501 if(!done){
502 ulLen = sizeof(CDInfo);
503 if(!DosOpen("\\DEV\\CD-ROM2$", &hfDevice, &ulAction, 0,
504 FILE_NORMAL, OPEN_ACTION_OPEN_IF_EXISTS,
505 OPEN_SHARE_DENYNONE | OPEN_ACCESS_READONLY, NULL))
506 {
507 if(!DosDevIOCtl(hfDevice, 0x82, 0x60, NULL, 0, NULL, &CDInfo, ulLen, &ulLen))
508 {
509 if(CDInfo.usCountCD) {
510 haveCD=TRUE;
511 iNumCDLocal=CDInfo.usCountCD;
512 cFirst='A'+ CDInfo.usFirstCD;
513 }
514 }
515 DosClose(hfDevice);
516 }
517 done=TRUE;
518 }
519 *iNumCD=iNumCDLocal;
520 *cFirstDrive=cFirst;
521 return haveCD;
522}
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