Mercurial > sdl-ios-xcode
annotate src/cdrom/macos/SDL_syscdrom.c @ 1336:3692456e7b0f
Use SDL_ prefixed versions of C library functions.
FIXME:
Change #include <stdlib.h> to #include "SDL_stdlib.h"
Change #include <string.h> to #include "SDL_string.h"
Make sure nothing else broke because of this...
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 07 Feb 2006 06:59:48 +0000 |
| parents | c9b51268668f |
| children | 19418e4422cb |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* MacOS functions for system-level CD-ROM audio control */ | |
| 24 | |
| 25 #include <Devices.h> | |
| 26 #include <Files.h> | |
| 27 #include <LowMem.h> /* Use entry table macros, not functions in InterfaceLib */ | |
| 28 | |
| 29 #include "SDL_cdrom.h" | |
| 30 #include "SDL_syscdrom.h" | |
| 31 #include "SDL_syscdrom_c.h" | |
| 32 | |
| 33 /* Added by Matt Slot */ | |
| 34 #if !defined(LMGetUnitTableEntryCount) | |
| 35 #define LMGetUnitTableEntryCount() *(short *)0x01D2 | |
| 36 #endif | |
| 37 | |
| 38 /* The maximum number of CD-ROM drives we'll detect */ | |
| 39 #define MAX_DRIVES 26 | |
| 40 | |
| 41 /* A list of available CD-ROM drives */ | |
| 42 static long SDL_cdversion = 0; | |
| 43 static struct { | |
| 44 short dRefNum; | |
| 45 short driveNum; | |
| 46 long frames; | |
| 47 char name[256]; | |
| 48 Boolean hasAudio; | |
| 49 } SDL_cdlist[MAX_DRIVES]; | |
| 50 static StringPtr gDriverName = "\p.AppleCD"; | |
| 51 | |
| 52 /* The system-dependent CD control functions */ | |
| 53 static const char *SDL_SYS_CDName(int drive); | |
| 54 static int SDL_SYS_CDOpen(int drive); | |
| 55 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | |
| 56 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | |
| 57 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | |
| 58 static int SDL_SYS_CDPause(SDL_CD *cdrom); | |
| 59 static int SDL_SYS_CDResume(SDL_CD *cdrom); | |
| 60 static int SDL_SYS_CDStop(SDL_CD *cdrom); | |
| 61 static int SDL_SYS_CDEject(SDL_CD *cdrom); | |
| 62 static void SDL_SYS_CDClose(SDL_CD *cdrom); | |
| 63 | |
| 64 static short SDL_SYS_ShortToBCD(short value) | |
| 65 { | |
| 66 return((value % 10) + (value / 10) * 0x10); /* Convert value to BCD */ | |
| 67 } | |
| 68 | |
| 69 static short SDL_SYS_BCDToShort(short value) | |
| 70 { | |
| 71 return((value % 0x10) + (value / 0x10) * 10); /* Convert value from BCD */ | |
| 72 } | |
| 73 | |
| 74 int SDL_SYS_CDInit(void) | |
| 75 { | |
| 76 SInt16 dRefNum = 0; | |
| 77 SInt16 first, last; | |
| 78 | |
| 79 SDL_numcds = 0; | |
| 80 | |
| 81 /* Check that the software is available */ | |
| 82 if (Gestalt(kGestaltAudioCDSelector, &SDL_cdversion) || | |
| 83 !SDL_cdversion) return(0); | |
| 84 | |
| 85 /* Fill in our driver capabilities */ | |
| 86 SDL_CDcaps.Name = SDL_SYS_CDName; | |
| 87 SDL_CDcaps.Open = SDL_SYS_CDOpen; | |
| 88 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | |
| 89 SDL_CDcaps.Status = SDL_SYS_CDStatus; | |
| 90 SDL_CDcaps.Play = SDL_SYS_CDPlay; | |
| 91 SDL_CDcaps.Pause = SDL_SYS_CDPause; | |
| 92 SDL_CDcaps.Resume = SDL_SYS_CDResume; | |
| 93 SDL_CDcaps.Stop = SDL_SYS_CDStop; | |
| 94 SDL_CDcaps.Eject = SDL_SYS_CDEject; | |
| 95 SDL_CDcaps.Close = SDL_SYS_CDClose; | |
| 96 | |
| 97 /* Walk the list, count each AudioCD driver, and save the refnums */ | |
| 98 first = -1; | |
| 99 last = 0 - LMGetUnitTableEntryCount(); | |
| 100 for(dRefNum = first; dRefNum >= last; dRefNum--) { | |
| 101 Str255 driverName; | |
| 102 StringPtr namePtr; | |
| 103 DCtlHandle deviceEntry; | |
| 104 | |
| 105 deviceEntry = GetDCtlEntry(dRefNum); | |
| 106 if (! deviceEntry) continue; | |
| 107 | |
| 108 /* Is this an .AppleCD ? */ | |
| 109 namePtr = (*deviceEntry)->dCtlFlags & (1L << dRAMBased) ? | |
| 110 ((StringPtr) ((DCtlPtr) deviceEntry)->dCtlDriver + 18) : | |
| 111 ((StringPtr) (*deviceEntry)->dCtlDriver + 18); | |
| 112 BlockMoveData(namePtr, driverName, namePtr[0]+1); | |
| 113 if (driverName[0] > gDriverName[0]) driverName[0] = gDriverName[0]; | |
| 114 if (! EqualString(driverName, gDriverName, false, false)) continue; | |
| 115 | |
| 116 /* Record the basic info for each drive */ | |
| 117 SDL_cdlist[SDL_numcds].dRefNum = dRefNum; | |
| 118 BlockMoveData(namePtr + 1, SDL_cdlist[SDL_numcds].name, namePtr[0]); | |
| 119 SDL_cdlist[SDL_numcds].name[namePtr[0]] = 0; | |
| 120 SDL_cdlist[SDL_numcds].hasAudio = false; | |
| 121 SDL_numcds++; | |
| 122 } | |
| 123 return(0); | |
| 124 } | |
| 125 | |
| 126 static const char *SDL_SYS_CDName(int drive) | |
| 127 { | |
| 128 return(SDL_cdlist[drive].name); | |
| 129 } | |
| 130 | |
| 131 static int get_drivenum(int drive) | |
| 132 { | |
| 133 QHdr *driveQ = GetDrvQHdr(); | |
| 134 DrvQEl *driveElem; | |
| 135 | |
| 136 /* Update the drive number */ | |
| 137 SDL_cdlist[drive].driveNum = 0; | |
| 138 if ( driveQ->qTail ) { | |
| 139 driveQ->qTail->qLink = 0; | |
| 140 } | |
| 141 for ( driveElem=(DrvQEl *)driveQ->qHead; driveElem; | |
| 142 driveElem = (DrvQEl *)driveElem->qLink ) { | |
| 143 if ( driveElem->dQRefNum == SDL_cdlist[drive].dRefNum ) { | |
| 144 SDL_cdlist[drive].driveNum = driveElem->dQDrive; | |
| 145 break; | |
| 146 } | |
| 147 } | |
| 148 return(SDL_cdlist[drive].driveNum); | |
| 149 } | |
| 150 | |
| 151 static int SDL_SYS_CDOpen(int drive) | |
| 152 { | |
| 153 return(drive); | |
| 154 } | |
| 155 | |
| 156 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | |
| 157 { | |
| 158 CDCntrlParam cdpb; | |
| 159 CDTrackData tracks[SDL_MAX_TRACKS]; | |
| 160 long i, leadout; | |
| 161 | |
| 162 /* Get the number of tracks on the CD by examining the TOC */ | |
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163 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 164 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 165 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 166 cdpb.csCode = kReadTOC; | |
| 167 cdpb.csParam.words[0] = kGetTrackRange; | |
| 168 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 169 SDL_SetError("PBControlSync() failed"); | |
| 170 return(-1); | |
| 171 } | |
| 172 | |
| 173 cdrom->numtracks = | |
| 174 SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) - | |
| 175 SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1; | |
| 176 if ( cdrom->numtracks > SDL_MAX_TRACKS ) | |
| 177 cdrom->numtracks = SDL_MAX_TRACKS; | |
| 178 cdrom->status = CD_STOPPED; | |
| 179 cdrom->cur_track = 0; /* Apparently these are set elsewhere */ | |
| 180 cdrom->cur_frame = 0; /* Apparently these are set elsewhere */ | |
| 181 | |
| 182 | |
| 183 /* Get the lead out area of the CD by examining the TOC */ | |
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184 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 185 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 186 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 187 cdpb.csCode = kReadTOC; | |
| 188 cdpb.csParam.words[0] = kGetLeadOutArea; | |
| 189 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 190 SDL_SetError("PBControlSync() failed"); | |
| 191 return(-1); | |
| 192 } | |
| 193 | |
| 194 leadout = MSF_TO_FRAMES( | |
| 195 SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]), | |
| 196 SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]), | |
| 197 SDL_SYS_BCDToShort(cdpb.csParam.bytes[2])); | |
| 198 | |
| 199 /* Get an array of track locations by examining the TOC */ | |
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200 SDL_memset(tracks, 0, sizeof(tracks)); |
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201 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 202 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 203 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 204 cdpb.csCode = kReadTOC; | |
| 205 cdpb.csParam.words[0] = kGetTrackEntries; /* Type of Query */ | |
| 206 * ((long *) (cdpb.csParam.words+1)) = (long) tracks; | |
| 207 cdpb.csParam.words[3] = cdrom->numtracks * sizeof(tracks[0]); | |
| 208 * ((char *) (cdpb.csParam.words+4)) = 1; /* First track */ | |
| 209 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 210 SDL_SetError("PBControlSync() failed"); | |
| 211 return(-1); | |
| 212 } | |
| 213 | |
| 214 /* Read all the track TOC entries */ | |
| 215 SDL_cdlist[cdrom->id].hasAudio = false; | |
| 216 for ( i=0; i<cdrom->numtracks; ++i ) | |
| 217 { | |
| 218 cdrom->track[i].id = i+1; | |
| 219 if (tracks[i].entry.control & kDataTrackMask) | |
| 220 cdrom->track[i].type = SDL_DATA_TRACK; | |
| 221 else | |
| 222 { | |
| 223 cdrom->track[i].type = SDL_AUDIO_TRACK; | |
| 224 SDL_cdlist[SDL_numcds].hasAudio = true; | |
| 225 } | |
| 226 | |
| 227 cdrom->track[i].offset = MSF_TO_FRAMES( | |
| 228 SDL_SYS_BCDToShort(tracks[i].entry.min), | |
| 229 SDL_SYS_BCDToShort(tracks[i].entry.min), | |
| 230 SDL_SYS_BCDToShort(tracks[i].entry.frame)); | |
| 231 cdrom->track[i].length = MSF_TO_FRAMES( | |
| 232 SDL_SYS_BCDToShort(tracks[i+1].entry.min), | |
| 233 SDL_SYS_BCDToShort(tracks[i+1].entry.min), | |
| 234 SDL_SYS_BCDToShort(tracks[i+1].entry.frame)) - | |
| 235 cdrom->track[i].offset; | |
| 236 } | |
| 237 | |
| 238 /* Apparently SDL wants a fake last entry */ | |
| 239 cdrom->track[i].offset = leadout; | |
| 240 cdrom->track[i].length = 0; | |
| 241 | |
| 242 return(0); | |
| 243 } | |
| 244 | |
| 245 /* Get CD-ROM status */ | |
| 246 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | |
| 247 { | |
| 248 CDCntrlParam cdpb; | |
| 249 CDstatus status = CD_ERROR; | |
| 250 Boolean spinning = false; | |
| 251 | |
| 252 if (position) *position = 0; | |
| 253 | |
| 254 /* Get the number of tracks on the CD by examining the TOC */ | |
| 255 if ( ! get_drivenum(cdrom->id) ) { | |
| 256 return(CD_TRAYEMPTY); | |
| 257 } | |
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258 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 259 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 260 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 261 cdpb.csCode = kReadTOC; | |
| 262 cdpb.csParam.words[0] = kGetTrackRange; | |
| 263 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 264 SDL_SetError("PBControlSync() failed"); | |
| 265 return(CD_ERROR); | |
| 266 } | |
| 267 | |
| 268 cdrom->numtracks = | |
| 269 SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) - | |
| 270 SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1; | |
| 271 if ( cdrom->numtracks > SDL_MAX_TRACKS ) | |
| 272 cdrom->numtracks = SDL_MAX_TRACKS; | |
| 273 cdrom->cur_track = 0; /* Apparently these are set elsewhere */ | |
| 274 cdrom->cur_frame = 0; /* Apparently these are set elsewhere */ | |
| 275 | |
| 276 | |
| 277 if (1 || SDL_cdlist[cdrom->id].hasAudio) { | |
| 278 /* Get the current playback status */ | |
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279 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 280 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 281 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 282 cdpb.csCode = kAudioStatus; | |
| 283 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 284 SDL_SetError("PBControlSync() failed"); | |
| 285 return(-1); | |
| 286 } | |
| 287 | |
| 288 switch(cdpb.csParam.cd.status) { | |
| 289 case kStatusPlaying: | |
| 290 status = CD_PLAYING; | |
| 291 spinning = true; | |
| 292 break; | |
| 293 case kStatusPaused: | |
| 294 status = CD_PAUSED; | |
| 295 spinning = true; | |
| 296 break; | |
| 297 case kStatusMuted: | |
| 298 status = CD_PLAYING; /* What should I do here? */ | |
| 299 spinning = true; | |
| 300 break; | |
| 301 case kStatusDone: | |
| 302 status = CD_STOPPED; | |
| 303 spinning = true; | |
| 304 break; | |
| 305 case kStatusStopped: | |
| 306 status = CD_STOPPED; | |
| 307 spinning = false; | |
| 308 break; | |
| 309 case kStatusError: | |
| 310 default: | |
| 311 status = CD_ERROR; | |
| 312 spinning = false; | |
| 313 break; | |
| 314 } | |
| 315 | |
| 316 if (spinning && position) *position = MSF_TO_FRAMES( | |
| 317 SDL_SYS_BCDToShort(cdpb.csParam.cd.minute), | |
| 318 SDL_SYS_BCDToShort(cdpb.csParam.cd.second), | |
| 319 SDL_SYS_BCDToShort(cdpb.csParam.cd.frame)); | |
| 320 } | |
| 321 else | |
| 322 status = CD_ERROR; /* What should I do here? */ | |
| 323 | |
| 324 return(status); | |
| 325 } | |
| 326 | |
| 327 /* Start play */ | |
| 328 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | |
| 329 { | |
| 330 CDCntrlParam cdpb; | |
| 331 | |
| 332 /* Pause the current audio playback to avoid audible artifacts */ | |
| 333 if ( SDL_SYS_CDPause(cdrom) < 0 ) { | |
| 334 return(-1); | |
| 335 } | |
| 336 | |
| 337 /* Specify the AudioCD playback mode */ | |
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338 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 339 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 340 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 341 cdpb.csCode = kSetPlayMode; | |
| 342 cdpb.csParam.bytes[0] = false; /* Repeat? */ | |
| 343 cdpb.csParam.bytes[1] = kPlayModeSequential; /* Play mode */ | |
| 344 /* ¥¥¥ÊTreat as soft error, NEC Drive doesnt support this call ¥¥¥ */ | |
| 345 PBControlSync((ParmBlkPtr) &cdpb); | |
| 346 | |
| 347 #if 1 | |
| 348 /* Specify the end of audio playback */ | |
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349 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 350 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 351 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 352 cdpb.csCode = kAudioStop; | |
| 353 cdpb.csParam.words[0] = kBlockPosition; /* Position Mode */ | |
| 354 *(long *) (cdpb.csParam.words + 1) = start+length-1; /* Search Address */ | |
| 355 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 356 SDL_SetError("PBControlSync() failed"); | |
| 357 return(-1); | |
| 358 } | |
| 359 | |
| 360 /* Specify the start of audio playback, and start it */ | |
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361 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 362 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 363 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 364 cdpb.csCode = kAudioPlay; | |
| 365 cdpb.csParam.words[0] = kBlockPosition; /* Position Mode */ | |
| 366 *(long *) (cdpb.csParam.words + 1) = start+1; /* Search Address */ | |
| 367 cdpb.csParam.words[3] = false; /* Stop address? */ | |
| 368 cdpb.csParam.words[4] = kStereoPlayMode; /* Audio Play Mode */ | |
| 369 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 370 SDL_SetError("PBControlSync() failed"); | |
| 371 return(-1); | |
| 372 } | |
| 373 #else | |
| 374 /* Specify the end of audio playback */ | |
| 375 FRAMES_TO_MSF(start+length, &m, &s, &f); | |
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376 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 377 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 378 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 379 cdpb.csCode = kAudioStop; | |
| 380 cdpb.csParam.words[0] = kTrackPosition; /* Position Mode */ | |
| 381 cdpb.csParam.words[1] = 0; /* Search Address (hiword)*/ | |
| 382 cdpb.csParam.words[2] = /* Search Address (loword)*/ | |
| 383 SDL_SYS_ShortToBCD(cdrom->numtracks); | |
| 384 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 385 SDL_SetError("PBControlSync() failed"); | |
| 386 return(-1); | |
| 387 } | |
| 388 | |
| 389 /* Specify the start of audio playback, and start it */ | |
| 390 FRAMES_TO_MSF(start, &m, &s, &f); | |
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391 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 392 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 393 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 394 cdpb.csCode = kAudioPlay; | |
| 395 cdpb.csParam.words[0] = kTrackPosition; /* Position Mode */ | |
| 396 cdpb.csParam.words[1] = 0; /* Search Address (hiword)*/ | |
| 397 cdpb.csParam.words[2] = SDL_SYS_ShortToBCD(1); /* Search Address (loword)*/ | |
| 398 cdpb.csParam.words[3] = false; /* Stop address? */ | |
| 399 cdpb.csParam.words[4] = kStereoPlayMode; /* Audio Play Mode */ | |
| 400 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 401 SDL_SetError("PBControlSync() failed"); | |
| 402 return(-1); | |
| 403 } | |
| 404 #endif | |
| 405 | |
| 406 return(0); | |
| 407 } | |
| 408 | |
| 409 /* Pause play */ | |
| 410 static int SDL_SYS_CDPause(SDL_CD *cdrom) | |
| 411 { | |
| 412 CDCntrlParam cdpb; | |
| 413 | |
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414 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 415 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 416 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 417 cdpb.csCode = kAudioPause; | |
| 418 cdpb.csParam.words[0] = 0; /* Pause/Continue Flag (hiword) */ | |
| 419 cdpb.csParam.words[1] = 1; /* Pause/Continue Flag (loword) */ | |
| 420 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 421 SDL_SetError("PBControlSync() failed"); | |
| 422 return(-1); | |
| 423 } | |
| 424 return(0); | |
| 425 } | |
| 426 | |
| 427 /* Resume play */ | |
| 428 static int SDL_SYS_CDResume(SDL_CD *cdrom) | |
| 429 { | |
| 430 CDCntrlParam cdpb; | |
| 431 | |
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432 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 433 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 434 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 435 cdpb.csCode = kAudioPause; | |
| 436 cdpb.csParam.words[0] = 0; /* Pause/Continue Flag (hiword) */ | |
| 437 cdpb.csParam.words[1] = 0; /* Pause/Continue Flag (loword) */ | |
| 438 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 439 SDL_SetError("PBControlSync() failed"); | |
| 440 return(-1); | |
| 441 } | |
| 442 return(0); | |
| 443 } | |
| 444 | |
| 445 /* Stop play */ | |
| 446 static int SDL_SYS_CDStop(SDL_CD *cdrom) | |
| 447 { | |
| 448 CDCntrlParam cdpb; | |
| 449 | |
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parents:
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changeset
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450 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 451 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 452 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 453 cdpb.csCode = kAudioStop; | |
| 454 cdpb.csParam.words[0] = 0; /* Position Mode */ | |
| 455 cdpb.csParam.words[1] = 0; /* Search Address (hiword) */ | |
| 456 cdpb.csParam.words[2] = 0; /* Search Address (loword) */ | |
| 457 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 458 SDL_SetError("PBControlSync() failed"); | |
| 459 return(-1); | |
| 460 } | |
| 461 return(0); | |
| 462 } | |
| 463 | |
| 464 /* Eject the CD-ROM */ | |
| 465 static int SDL_SYS_CDEject(SDL_CD *cdrom) | |
| 466 { | |
| 467 Boolean disk = false; | |
| 468 QHdr *driveQ = GetDrvQHdr(); | |
| 469 DrvQEl *driveElem; | |
| 470 HParamBlockRec hpb; | |
| 471 ParamBlockRec cpb; | |
| 472 | |
| 473 for ( driveElem = (DrvQEl *) driveQ->qHead; driveElem; driveElem = | |
| 474 (driveElem) ? ((DrvQEl *) driveElem->qLink) : | |
| 475 ((DrvQEl *) driveQ->qHead) ) { | |
| 476 if ( driveQ->qTail ) { | |
| 477 driveQ->qTail->qLink = 0; | |
| 478 } | |
| 479 if ( driveElem->dQRefNum != SDL_cdlist[cdrom->id].dRefNum ) { | |
| 480 continue; | |
| 481 } | |
| 482 | |
| 483 /* Does drive contain mounted volume? If not, skip */ | |
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parents:
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diff
changeset
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484 SDL_memset(&hpb, 0, sizeof(hpb)); |
| 0 | 485 hpb.volumeParam.ioVRefNum = driveElem->dQDrive; |
| 486 if ( PBHGetVInfoSync(&hpb) != noErr ) { | |
| 487 continue; | |
| 488 } | |
| 489 if ( (UnmountVol(0, driveElem->dQDrive) == noErr) && | |
| 490 (Eject(0, driveElem->dQDrive) == noErr) ) { | |
| 491 driveElem = 0; /* Clear pointer to reset our loop */ | |
| 492 disk = true; | |
| 493 } | |
| 494 } | |
| 495 | |
| 496 /* If no disk is present, just eject the tray */ | |
| 497 if (! disk) { | |
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parents:
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changeset
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498 SDL_memset(&cpb, 0, sizeof(cpb)); |
| 0 | 499 cpb.cntrlParam.ioVRefNum = 0; /* No Drive */ |
| 500 cpb.cntrlParam.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 501 cpb.cntrlParam.csCode = kEjectTheDisc; | |
| 502 if ( PBControlSync((ParmBlkPtr)&cpb) != noErr ) { | |
| 503 SDL_SetError("PBControlSync() failed"); | |
| 504 return(-1); | |
| 505 } | |
| 506 } | |
| 507 return(0); | |
| 508 } | |
| 509 | |
| 510 /* Close the CD-ROM handle */ | |
| 511 static void SDL_SYS_CDClose(SDL_CD *cdrom) | |
| 512 { | |
| 513 return; | |
| 514 } | |
| 515 | |
| 516 void SDL_SYS_CDQuit(void) | |
| 517 { | |
| 518 while(SDL_numcds--) | |
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Sam Lantinga <slouken@libsdl.org>
parents:
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519 SDL_memset(SDL_cdlist + SDL_numcds, 0, sizeof(SDL_cdlist[0])); |
| 0 | 520 } |
| 521 |