aboutsummaryrefslogtreecommitdiffstats
path: root/distrib/sdl-1.2.15/src/cdrom/macos/SDL_syscdrom.c
blob: 10a202544e2877a2301739b9998728560824ff70 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2012 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifdef SDL_CDROM_MACOS

/* MacOS functions for system-level CD-ROM audio control */

#include <Devices.h>
#include <Files.h>
#include <LowMem.h> /* Use entry table macros, not functions in InterfaceLib  */

#include "SDL_cdrom.h"
#include "../SDL_syscdrom.h"
#include "SDL_syscdrom_c.h"

/* Added by Matt Slot */
#if !defined(LMGetUnitTableEntryCount)
  #define LMGetUnitTableEntryCount()   *(short *)0x01D2
#endif

/* The maximum number of CD-ROM drives we'll detect */
#define MAX_DRIVES	26	

/* A list of available CD-ROM drives */
static long SDL_cdversion = 0;
static struct {
	short		dRefNum;
	short		driveNum;
	long		frames;
	char		name[256];
	Boolean		hasAudio;
	} SDL_cdlist[MAX_DRIVES];
static StringPtr gDriverName = "\p.AppleCD";

/* The system-dependent CD control functions */
static const char *SDL_SYS_CDName(int drive);
static int SDL_SYS_CDOpen(int drive);
static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
static int SDL_SYS_CDPause(SDL_CD *cdrom);
static int SDL_SYS_CDResume(SDL_CD *cdrom);
static int SDL_SYS_CDStop(SDL_CD *cdrom);
static int SDL_SYS_CDEject(SDL_CD *cdrom);
static void SDL_SYS_CDClose(SDL_CD *cdrom);

static short SDL_SYS_ShortToBCD(short value)
{
	return((value % 10) + (value / 10) * 0x10); /* Convert value to BCD */
}

static short SDL_SYS_BCDToShort(short value)
{
	return((value % 0x10) + (value / 0x10) * 10); /* Convert value from BCD */
}

int  SDL_SYS_CDInit(void)
{
	SInt16			dRefNum = 0;
	SInt16			first, last;

	SDL_numcds = 0;

	/* Check that the software is available */
	if (Gestalt(kGestaltAudioCDSelector, &SDL_cdversion) || 
			!SDL_cdversion) return(0);

	/* Fill in our driver capabilities */
	SDL_CDcaps.Name = SDL_SYS_CDName;
	SDL_CDcaps.Open = SDL_SYS_CDOpen;
	SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
	SDL_CDcaps.Status = SDL_SYS_CDStatus;
	SDL_CDcaps.Play = SDL_SYS_CDPlay;
	SDL_CDcaps.Pause = SDL_SYS_CDPause;
	SDL_CDcaps.Resume = SDL_SYS_CDResume;
	SDL_CDcaps.Stop = SDL_SYS_CDStop;
	SDL_CDcaps.Eject = SDL_SYS_CDEject;
	SDL_CDcaps.Close = SDL_SYS_CDClose;

	/* Walk the list, count each AudioCD driver, and save the refnums */
	first = -1;
	last = 0 - LMGetUnitTableEntryCount();
	for(dRefNum = first; dRefNum >= last; dRefNum--) {
		Str255		driverName;
		StringPtr	namePtr;
		DCtlHandle	deviceEntry;

		deviceEntry = GetDCtlEntry(dRefNum);
		if (! deviceEntry) continue;
		
		/* Is this an .AppleCD ? */
		namePtr = (*deviceEntry)->dCtlFlags & (1L << dRAMBased) ?
				((StringPtr) ((DCtlPtr) deviceEntry)->dCtlDriver + 18) :
				((StringPtr) (*deviceEntry)->dCtlDriver + 18);
		BlockMoveData(namePtr, driverName, namePtr[0]+1);
		if (driverName[0] > gDriverName[0]) driverName[0] = gDriverName[0];
		if (! EqualString(driverName, gDriverName, false, false)) continue;

		/* Record the basic info for each drive */
		SDL_cdlist[SDL_numcds].dRefNum = dRefNum;
		BlockMoveData(namePtr + 1, SDL_cdlist[SDL_numcds].name, namePtr[0]);
		SDL_cdlist[SDL_numcds].name[namePtr[0]] = 0;
		SDL_cdlist[SDL_numcds].hasAudio = false;
		SDL_numcds++;
	}
	return(0);
}

static const char *SDL_SYS_CDName(int drive)
{
	return(SDL_cdlist[drive].name);
}

static int get_drivenum(int drive)
{
	QHdr *driveQ = GetDrvQHdr();
	DrvQEl *driveElem;

	/* Update the drive number */
	SDL_cdlist[drive].driveNum = 0;
	if ( driveQ->qTail ) {
		driveQ->qTail->qLink = 0;
	}
	for ( driveElem=(DrvQEl *)driveQ->qHead; driveElem;
	      driveElem = (DrvQEl *)driveElem->qLink ) {
		if ( driveElem->dQRefNum == SDL_cdlist[drive].dRefNum ) {
			SDL_cdlist[drive].driveNum = driveElem->dQDrive;
			break;
		}
	}
	return(SDL_cdlist[drive].driveNum);
}

static int SDL_SYS_CDOpen(int drive)
{
	return(drive);
}

static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
{
	CDCntrlParam		cdpb;
	CDTrackData			tracks[SDL_MAX_TRACKS];
	long				i, leadout;

	/* Get the number of tracks on the CD by examining the TOC */
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kReadTOC;
	cdpb.csParam.words[0] = kGetTrackRange;
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}

	cdrom->numtracks = 
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) - 
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1;
	if ( cdrom->numtracks > SDL_MAX_TRACKS )
		cdrom->numtracks = SDL_MAX_TRACKS;
	cdrom->status = CD_STOPPED;
	cdrom->cur_track = 0; /* Apparently these are set elsewhere */
	cdrom->cur_frame = 0; /* Apparently these are set elsewhere */


	/* Get the lead out area of the CD by examining the TOC */
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kReadTOC;
	cdpb.csParam.words[0] = kGetLeadOutArea;
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}

	leadout = MSF_TO_FRAMES(
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]),
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]),
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[2]));

	/* Get an array of track locations by examining the TOC */
	SDL_memset(tracks, 0, sizeof(tracks));
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kReadTOC;
	cdpb.csParam.words[0] = kGetTrackEntries;	/* Type of Query */
	* ((long *) (cdpb.csParam.words+1)) = (long) tracks;				
	cdpb.csParam.words[3] = cdrom->numtracks * sizeof(tracks[0]);		
	* ((char *) (cdpb.csParam.words+4)) = 1;	/* First track */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}

	/* Read all the track TOC entries */
	SDL_cdlist[cdrom->id].hasAudio = false;
	for ( i=0; i<cdrom->numtracks; ++i ) 
		{
		cdrom->track[i].id = i+1;
		if (tracks[i].entry.control & kDataTrackMask)
			cdrom->track[i].type = SDL_DATA_TRACK;
		else
			{
			cdrom->track[i].type = SDL_AUDIO_TRACK;
			SDL_cdlist[SDL_numcds].hasAudio = true;
			}
		
		cdrom->track[i].offset = MSF_TO_FRAMES(
				SDL_SYS_BCDToShort(tracks[i].entry.min),
				SDL_SYS_BCDToShort(tracks[i].entry.min),
				SDL_SYS_BCDToShort(tracks[i].entry.frame));
		cdrom->track[i].length = MSF_TO_FRAMES(
				SDL_SYS_BCDToShort(tracks[i+1].entry.min),
				SDL_SYS_BCDToShort(tracks[i+1].entry.min),
				SDL_SYS_BCDToShort(tracks[i+1].entry.frame)) -
				cdrom->track[i].offset;
		}
	
	/* Apparently SDL wants a fake last entry */
	cdrom->track[i].offset = leadout;
	cdrom->track[i].length = 0;

	return(0);
}

/* Get CD-ROM status */
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
{
	CDCntrlParam cdpb;
	CDstatus status = CD_ERROR;
	Boolean spinning = false;

	if (position) *position = 0;

	/* Get the number of tracks on the CD by examining the TOC */
	if ( ! get_drivenum(cdrom->id) ) {
		return(CD_TRAYEMPTY);
	}
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kReadTOC;
	cdpb.csParam.words[0] = kGetTrackRange;
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(CD_ERROR);
	}

	cdrom->numtracks = 
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) - 
			SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1;
	if ( cdrom->numtracks > SDL_MAX_TRACKS )
		cdrom->numtracks = SDL_MAX_TRACKS;
	cdrom->cur_track = 0; /* Apparently these are set elsewhere */
	cdrom->cur_frame = 0; /* Apparently these are set elsewhere */


	if (1 || SDL_cdlist[cdrom->id].hasAudio) {
		/* Get the current playback status */
		SDL_memset(&cdpb, 0, sizeof(cdpb));
		cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
		cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
		cdpb.csCode = kAudioStatus;
		if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
			SDL_SetError("PBControlSync() failed");
			return(-1);
		}
	
		switch(cdpb.csParam.cd.status) {
			case kStatusPlaying:
				status = CD_PLAYING;
				spinning = true;
				break;
			case kStatusPaused:
				status = CD_PAUSED;
				spinning = true;
				break;
			case kStatusMuted:
				status = CD_PLAYING; /* What should I do here? */
				spinning = true;
				break;
			case kStatusDone:
				status = CD_STOPPED;
				spinning = true;
				break;
			case kStatusStopped:
				status = CD_STOPPED;
				spinning = false;
				break;
			case kStatusError:
			default:
				status = CD_ERROR;
				spinning = false;
				break;
			}

		if (spinning && position) *position = MSF_TO_FRAMES(
				SDL_SYS_BCDToShort(cdpb.csParam.cd.minute),
				SDL_SYS_BCDToShort(cdpb.csParam.cd.second),
				SDL_SYS_BCDToShort(cdpb.csParam.cd.frame));
		}
	else
		status = CD_ERROR; /* What should I do here? */

	return(status);
}

/* Start play */
static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
{
	CDCntrlParam cdpb;

	/* Pause the current audio playback to avoid audible artifacts */
	if ( SDL_SYS_CDPause(cdrom) < 0 ) {
		return(-1);
	}

	/* Specify the AudioCD playback mode */
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kSetPlayMode;
	cdpb.csParam.bytes[0] = false;			/* Repeat? */
	cdpb.csParam.bytes[1] = kPlayModeSequential;	/* Play mode */
	/* ¥¥¥ÊTreat as soft error, NEC Drive doesnt support this call ¥¥¥ */
	PBControlSync((ParmBlkPtr) &cdpb);

#if 1
	/* Specify the end of audio playback */
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioStop;
	cdpb.csParam.words[0] = kBlockPosition;		/* Position Mode */
	*(long *) (cdpb.csParam.words + 1) = start+length-1; /* Search Address */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}

	/* Specify the start of audio playback, and start it */
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioPlay;
	cdpb.csParam.words[0] = kBlockPosition;			/* Position Mode */
	*(long *) (cdpb.csParam.words + 1) = start+1;	/* Search Address */
	cdpb.csParam.words[3] = false;					/* Stop address? */
	cdpb.csParam.words[4] = kStereoPlayMode;		/* Audio Play Mode */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}
#else
	/* Specify the end of audio playback */
	FRAMES_TO_MSF(start+length, &m, &s, &f);
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioStop;
	cdpb.csParam.words[0] = kTrackPosition;			/* Position Mode */
	cdpb.csParam.words[1] = 0;						/* Search Address (hiword)*/
	cdpb.csParam.words[2] = 						/* Search Address (loword)*/
			SDL_SYS_ShortToBCD(cdrom->numtracks);	
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}

	/* Specify the start of audio playback, and start it */
	FRAMES_TO_MSF(start, &m, &s, &f);
	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioPlay;
	cdpb.csParam.words[0] = kTrackPosition;			/* Position Mode */
	cdpb.csParam.words[1] = 0;						/* Search Address (hiword)*/
	cdpb.csParam.words[2] = SDL_SYS_ShortToBCD(1);	/* Search Address (loword)*/
	cdpb.csParam.words[3] = false;					/* Stop address? */
	cdpb.csParam.words[4] = kStereoPlayMode;		/* Audio Play Mode */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}
#endif

	return(0);
}

/* Pause play */
static int SDL_SYS_CDPause(SDL_CD *cdrom)
{
	CDCntrlParam cdpb;

	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioPause;
	cdpb.csParam.words[0] = 0;	/* Pause/Continue Flag (hiword) */
	cdpb.csParam.words[1] = 1;	/* Pause/Continue Flag (loword) */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}
	return(0);
}

/* Resume play */
static int SDL_SYS_CDResume(SDL_CD *cdrom)
{
	CDCntrlParam cdpb;

	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioPause;
	cdpb.csParam.words[0] = 0;	/* Pause/Continue Flag (hiword) */
	cdpb.csParam.words[1] = 0;	/* Pause/Continue Flag (loword) */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}
	return(0);
}

/* Stop play */
static int SDL_SYS_CDStop(SDL_CD *cdrom)
{
	CDCntrlParam cdpb;

	SDL_memset(&cdpb, 0, sizeof(cdpb));
	cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum;
	cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
	cdpb.csCode = kAudioStop;
	cdpb.csParam.words[0] = 0;		/* Position Mode */
	cdpb.csParam.words[1] = 0;		/* Search Address (hiword) */
	cdpb.csParam.words[2] = 0;		/* Search Address (loword) */
	if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) {
		SDL_SetError("PBControlSync() failed");
		return(-1);
	}
	return(0);
}

/* Eject the CD-ROM */
static int SDL_SYS_CDEject(SDL_CD *cdrom)
{
	Boolean	disk = false;
	QHdr *driveQ = GetDrvQHdr();
	DrvQEl *driveElem;
	HParamBlockRec hpb;
	ParamBlockRec cpb;

	for ( driveElem = (DrvQEl *) driveQ->qHead; driveElem; driveElem = 
			  (driveElem) ? ((DrvQEl *) driveElem->qLink) : 
			  ((DrvQEl *) driveQ->qHead) ) {
		if ( driveQ->qTail ) {
			driveQ->qTail->qLink = 0;
		}
		if ( driveElem->dQRefNum != SDL_cdlist[cdrom->id].dRefNum ) {
			continue;
		}
	
		/* Does drive contain mounted volume? If not, skip */
		SDL_memset(&hpb, 0, sizeof(hpb));
		hpb.volumeParam.ioVRefNum = driveElem->dQDrive;
		if ( PBHGetVInfoSync(&hpb) != noErr ) {
			continue;
		}
		if ( (UnmountVol(0, driveElem->dQDrive) == noErr) && 
		     (Eject(0, driveElem->dQDrive) == noErr) ) {
			driveElem = 0; /* Clear pointer to reset our loop */
			disk = true;
		}
	}

	/* If no disk is present, just eject the tray */
	if (! disk) {
		SDL_memset(&cpb, 0, sizeof(cpb));
		cpb.cntrlParam.ioVRefNum = 0; /* No Drive */
		cpb.cntrlParam.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum;
		cpb.cntrlParam.csCode = kEjectTheDisc;
		if ( PBControlSync((ParmBlkPtr)&cpb) != noErr ) {
			SDL_SetError("PBControlSync() failed");
			return(-1);
		}
	}
	return(0);
}

/* Close the CD-ROM handle */
static void SDL_SYS_CDClose(SDL_CD *cdrom)
{
	return;
}

void SDL_SYS_CDQuit(void)
{
	while(SDL_numcds--) 
		SDL_memset(SDL_cdlist + SDL_numcds, 0, sizeof(SDL_cdlist[0]));
}

#endif /* SDL_CDROM_MACOS */