Mercurial > sdl-ios-xcode
annotate src/cdrom/macos/SDL_syscdrom.c @ 1590:96d8c3fec479
Don't detect Altivec on MacOS X Intel
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 22 Mar 2006 22:29:44 +0000 |
| parents | d910939febfa |
| children | 92947e3a18db |
| 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 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 /* MacOS functions for system-level CD-ROM audio control */ | |
| 25 | |
| 26 #include <Devices.h> | |
| 27 #include <Files.h> | |
| 28 #include <LowMem.h> /* Use entry table macros, not functions in InterfaceLib */ | |
| 29 | |
| 30 #include "SDL_cdrom.h" | |
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31 #include "../SDL_syscdrom.h" |
| 0 | 32 #include "SDL_syscdrom_c.h" |
| 33 | |
| 34 /* Added by Matt Slot */ | |
| 35 #if !defined(LMGetUnitTableEntryCount) | |
| 36 #define LMGetUnitTableEntryCount() *(short *)0x01D2 | |
| 37 #endif | |
| 38 | |
| 39 /* The maximum number of CD-ROM drives we'll detect */ | |
| 40 #define MAX_DRIVES 26 | |
| 41 | |
| 42 /* A list of available CD-ROM drives */ | |
| 43 static long SDL_cdversion = 0; | |
| 44 static struct { | |
| 45 short dRefNum; | |
| 46 short driveNum; | |
| 47 long frames; | |
| 48 char name[256]; | |
| 49 Boolean hasAudio; | |
| 50 } SDL_cdlist[MAX_DRIVES]; | |
| 51 static StringPtr gDriverName = "\p.AppleCD"; | |
| 52 | |
| 53 /* The system-dependent CD control functions */ | |
| 54 static const char *SDL_SYS_CDName(int drive); | |
| 55 static int SDL_SYS_CDOpen(int drive); | |
| 56 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | |
| 57 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | |
| 58 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | |
| 59 static int SDL_SYS_CDPause(SDL_CD *cdrom); | |
| 60 static int SDL_SYS_CDResume(SDL_CD *cdrom); | |
| 61 static int SDL_SYS_CDStop(SDL_CD *cdrom); | |
| 62 static int SDL_SYS_CDEject(SDL_CD *cdrom); | |
| 63 static void SDL_SYS_CDClose(SDL_CD *cdrom); | |
| 64 | |
| 65 static short SDL_SYS_ShortToBCD(short value) | |
| 66 { | |
| 67 return((value % 10) + (value / 10) * 0x10); /* Convert value to BCD */ | |
| 68 } | |
| 69 | |
| 70 static short SDL_SYS_BCDToShort(short value) | |
| 71 { | |
| 72 return((value % 0x10) + (value / 0x10) * 10); /* Convert value from BCD */ | |
| 73 } | |
| 74 | |
| 75 int SDL_SYS_CDInit(void) | |
| 76 { | |
| 77 SInt16 dRefNum = 0; | |
| 78 SInt16 first, last; | |
| 79 | |
| 80 SDL_numcds = 0; | |
| 81 | |
| 82 /* Check that the software is available */ | |
| 83 if (Gestalt(kGestaltAudioCDSelector, &SDL_cdversion) || | |
| 84 !SDL_cdversion) return(0); | |
| 85 | |
| 86 /* Fill in our driver capabilities */ | |
| 87 SDL_CDcaps.Name = SDL_SYS_CDName; | |
| 88 SDL_CDcaps.Open = SDL_SYS_CDOpen; | |
| 89 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | |
| 90 SDL_CDcaps.Status = SDL_SYS_CDStatus; | |
| 91 SDL_CDcaps.Play = SDL_SYS_CDPlay; | |
| 92 SDL_CDcaps.Pause = SDL_SYS_CDPause; | |
| 93 SDL_CDcaps.Resume = SDL_SYS_CDResume; | |
| 94 SDL_CDcaps.Stop = SDL_SYS_CDStop; | |
| 95 SDL_CDcaps.Eject = SDL_SYS_CDEject; | |
| 96 SDL_CDcaps.Close = SDL_SYS_CDClose; | |
| 97 | |
| 98 /* Walk the list, count each AudioCD driver, and save the refnums */ | |
| 99 first = -1; | |
| 100 last = 0 - LMGetUnitTableEntryCount(); | |
| 101 for(dRefNum = first; dRefNum >= last; dRefNum--) { | |
| 102 Str255 driverName; | |
| 103 StringPtr namePtr; | |
| 104 DCtlHandle deviceEntry; | |
| 105 | |
| 106 deviceEntry = GetDCtlEntry(dRefNum); | |
| 107 if (! deviceEntry) continue; | |
| 108 | |
| 109 /* Is this an .AppleCD ? */ | |
| 110 namePtr = (*deviceEntry)->dCtlFlags & (1L << dRAMBased) ? | |
| 111 ((StringPtr) ((DCtlPtr) deviceEntry)->dCtlDriver + 18) : | |
| 112 ((StringPtr) (*deviceEntry)->dCtlDriver + 18); | |
| 113 BlockMoveData(namePtr, driverName, namePtr[0]+1); | |
| 114 if (driverName[0] > gDriverName[0]) driverName[0] = gDriverName[0]; | |
| 115 if (! EqualString(driverName, gDriverName, false, false)) continue; | |
| 116 | |
| 117 /* Record the basic info for each drive */ | |
| 118 SDL_cdlist[SDL_numcds].dRefNum = dRefNum; | |
| 119 BlockMoveData(namePtr + 1, SDL_cdlist[SDL_numcds].name, namePtr[0]); | |
| 120 SDL_cdlist[SDL_numcds].name[namePtr[0]] = 0; | |
| 121 SDL_cdlist[SDL_numcds].hasAudio = false; | |
| 122 SDL_numcds++; | |
| 123 } | |
| 124 return(0); | |
| 125 } | |
| 126 | |
| 127 static const char *SDL_SYS_CDName(int drive) | |
| 128 { | |
| 129 return(SDL_cdlist[drive].name); | |
| 130 } | |
| 131 | |
| 132 static int get_drivenum(int drive) | |
| 133 { | |
| 134 QHdr *driveQ = GetDrvQHdr(); | |
| 135 DrvQEl *driveElem; | |
| 136 | |
| 137 /* Update the drive number */ | |
| 138 SDL_cdlist[drive].driveNum = 0; | |
| 139 if ( driveQ->qTail ) { | |
| 140 driveQ->qTail->qLink = 0; | |
| 141 } | |
| 142 for ( driveElem=(DrvQEl *)driveQ->qHead; driveElem; | |
| 143 driveElem = (DrvQEl *)driveElem->qLink ) { | |
| 144 if ( driveElem->dQRefNum == SDL_cdlist[drive].dRefNum ) { | |
| 145 SDL_cdlist[drive].driveNum = driveElem->dQDrive; | |
| 146 break; | |
| 147 } | |
| 148 } | |
| 149 return(SDL_cdlist[drive].driveNum); | |
| 150 } | |
| 151 | |
| 152 static int SDL_SYS_CDOpen(int drive) | |
| 153 { | |
| 154 return(drive); | |
| 155 } | |
| 156 | |
| 157 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | |
| 158 { | |
| 159 CDCntrlParam cdpb; | |
| 160 CDTrackData tracks[SDL_MAX_TRACKS]; | |
| 161 long i, leadout; | |
| 162 | |
| 163 /* Get the number of tracks on the CD by examining the TOC */ | |
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164 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 165 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 166 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 167 cdpb.csCode = kReadTOC; | |
| 168 cdpb.csParam.words[0] = kGetTrackRange; | |
| 169 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 170 SDL_SetError("PBControlSync() failed"); | |
| 171 return(-1); | |
| 172 } | |
| 173 | |
| 174 cdrom->numtracks = | |
| 175 SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) - | |
| 176 SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1; | |
| 177 if ( cdrom->numtracks > SDL_MAX_TRACKS ) | |
| 178 cdrom->numtracks = SDL_MAX_TRACKS; | |
| 179 cdrom->status = CD_STOPPED; | |
| 180 cdrom->cur_track = 0; /* Apparently these are set elsewhere */ | |
| 181 cdrom->cur_frame = 0; /* Apparently these are set elsewhere */ | |
| 182 | |
| 183 | |
| 184 /* Get the lead out area of the CD by examining the TOC */ | |
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185 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 186 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 187 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 188 cdpb.csCode = kReadTOC; | |
| 189 cdpb.csParam.words[0] = kGetLeadOutArea; | |
| 190 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 191 SDL_SetError("PBControlSync() failed"); | |
| 192 return(-1); | |
| 193 } | |
| 194 | |
| 195 leadout = MSF_TO_FRAMES( | |
| 196 SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]), | |
| 197 SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]), | |
| 198 SDL_SYS_BCDToShort(cdpb.csParam.bytes[2])); | |
| 199 | |
| 200 /* Get an array of track locations by examining the TOC */ | |
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201 SDL_memset(tracks, 0, sizeof(tracks)); |
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202 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 203 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 204 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 205 cdpb.csCode = kReadTOC; | |
| 206 cdpb.csParam.words[0] = kGetTrackEntries; /* Type of Query */ | |
| 207 * ((long *) (cdpb.csParam.words+1)) = (long) tracks; | |
| 208 cdpb.csParam.words[3] = cdrom->numtracks * sizeof(tracks[0]); | |
| 209 * ((char *) (cdpb.csParam.words+4)) = 1; /* First track */ | |
| 210 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 211 SDL_SetError("PBControlSync() failed"); | |
| 212 return(-1); | |
| 213 } | |
| 214 | |
| 215 /* Read all the track TOC entries */ | |
| 216 SDL_cdlist[cdrom->id].hasAudio = false; | |
| 217 for ( i=0; i<cdrom->numtracks; ++i ) | |
| 218 { | |
| 219 cdrom->track[i].id = i+1; | |
| 220 if (tracks[i].entry.control & kDataTrackMask) | |
| 221 cdrom->track[i].type = SDL_DATA_TRACK; | |
| 222 else | |
| 223 { | |
| 224 cdrom->track[i].type = SDL_AUDIO_TRACK; | |
| 225 SDL_cdlist[SDL_numcds].hasAudio = true; | |
| 226 } | |
| 227 | |
| 228 cdrom->track[i].offset = MSF_TO_FRAMES( | |
| 229 SDL_SYS_BCDToShort(tracks[i].entry.min), | |
| 230 SDL_SYS_BCDToShort(tracks[i].entry.min), | |
| 231 SDL_SYS_BCDToShort(tracks[i].entry.frame)); | |
| 232 cdrom->track[i].length = MSF_TO_FRAMES( | |
| 233 SDL_SYS_BCDToShort(tracks[i+1].entry.min), | |
| 234 SDL_SYS_BCDToShort(tracks[i+1].entry.min), | |
| 235 SDL_SYS_BCDToShort(tracks[i+1].entry.frame)) - | |
| 236 cdrom->track[i].offset; | |
| 237 } | |
| 238 | |
| 239 /* Apparently SDL wants a fake last entry */ | |
| 240 cdrom->track[i].offset = leadout; | |
| 241 cdrom->track[i].length = 0; | |
| 242 | |
| 243 return(0); | |
| 244 } | |
| 245 | |
| 246 /* Get CD-ROM status */ | |
| 247 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | |
| 248 { | |
| 249 CDCntrlParam cdpb; | |
| 250 CDstatus status = CD_ERROR; | |
| 251 Boolean spinning = false; | |
| 252 | |
| 253 if (position) *position = 0; | |
| 254 | |
| 255 /* Get the number of tracks on the CD by examining the TOC */ | |
| 256 if ( ! get_drivenum(cdrom->id) ) { | |
| 257 return(CD_TRAYEMPTY); | |
| 258 } | |
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259 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 260 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 261 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 262 cdpb.csCode = kReadTOC; | |
| 263 cdpb.csParam.words[0] = kGetTrackRange; | |
| 264 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 265 SDL_SetError("PBControlSync() failed"); | |
| 266 return(CD_ERROR); | |
| 267 } | |
| 268 | |
| 269 cdrom->numtracks = | |
| 270 SDL_SYS_BCDToShort(cdpb.csParam.bytes[1]) - | |
| 271 SDL_SYS_BCDToShort(cdpb.csParam.bytes[0]) + 1; | |
| 272 if ( cdrom->numtracks > SDL_MAX_TRACKS ) | |
| 273 cdrom->numtracks = SDL_MAX_TRACKS; | |
| 274 cdrom->cur_track = 0; /* Apparently these are set elsewhere */ | |
| 275 cdrom->cur_frame = 0; /* Apparently these are set elsewhere */ | |
| 276 | |
| 277 | |
| 278 if (1 || SDL_cdlist[cdrom->id].hasAudio) { | |
| 279 /* Get the current playback status */ | |
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280 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 281 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 282 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 283 cdpb.csCode = kAudioStatus; | |
| 284 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 285 SDL_SetError("PBControlSync() failed"); | |
| 286 return(-1); | |
| 287 } | |
| 288 | |
| 289 switch(cdpb.csParam.cd.status) { | |
| 290 case kStatusPlaying: | |
| 291 status = CD_PLAYING; | |
| 292 spinning = true; | |
| 293 break; | |
| 294 case kStatusPaused: | |
| 295 status = CD_PAUSED; | |
| 296 spinning = true; | |
| 297 break; | |
| 298 case kStatusMuted: | |
| 299 status = CD_PLAYING; /* What should I do here? */ | |
| 300 spinning = true; | |
| 301 break; | |
| 302 case kStatusDone: | |
| 303 status = CD_STOPPED; | |
| 304 spinning = true; | |
| 305 break; | |
| 306 case kStatusStopped: | |
| 307 status = CD_STOPPED; | |
| 308 spinning = false; | |
| 309 break; | |
| 310 case kStatusError: | |
| 311 default: | |
| 312 status = CD_ERROR; | |
| 313 spinning = false; | |
| 314 break; | |
| 315 } | |
| 316 | |
| 317 if (spinning && position) *position = MSF_TO_FRAMES( | |
| 318 SDL_SYS_BCDToShort(cdpb.csParam.cd.minute), | |
| 319 SDL_SYS_BCDToShort(cdpb.csParam.cd.second), | |
| 320 SDL_SYS_BCDToShort(cdpb.csParam.cd.frame)); | |
| 321 } | |
| 322 else | |
| 323 status = CD_ERROR; /* What should I do here? */ | |
| 324 | |
| 325 return(status); | |
| 326 } | |
| 327 | |
| 328 /* Start play */ | |
| 329 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | |
| 330 { | |
| 331 CDCntrlParam cdpb; | |
| 332 | |
| 333 /* Pause the current audio playback to avoid audible artifacts */ | |
| 334 if ( SDL_SYS_CDPause(cdrom) < 0 ) { | |
| 335 return(-1); | |
| 336 } | |
| 337 | |
| 338 /* Specify the AudioCD playback mode */ | |
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339 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 340 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 341 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 342 cdpb.csCode = kSetPlayMode; | |
| 343 cdpb.csParam.bytes[0] = false; /* Repeat? */ | |
| 344 cdpb.csParam.bytes[1] = kPlayModeSequential; /* Play mode */ | |
| 345 /* ¥¥¥ÊTreat as soft error, NEC Drive doesnt support this call ¥¥¥ */ | |
| 346 PBControlSync((ParmBlkPtr) &cdpb); | |
| 347 | |
| 348 #if 1 | |
| 349 /* Specify the end of audio playback */ | |
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350 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 351 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 352 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 353 cdpb.csCode = kAudioStop; | |
| 354 cdpb.csParam.words[0] = kBlockPosition; /* Position Mode */ | |
| 355 *(long *) (cdpb.csParam.words + 1) = start+length-1; /* Search Address */ | |
| 356 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 357 SDL_SetError("PBControlSync() failed"); | |
| 358 return(-1); | |
| 359 } | |
| 360 | |
| 361 /* Specify the start of audio playback, and start it */ | |
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362 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 363 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 364 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 365 cdpb.csCode = kAudioPlay; | |
| 366 cdpb.csParam.words[0] = kBlockPosition; /* Position Mode */ | |
| 367 *(long *) (cdpb.csParam.words + 1) = start+1; /* Search Address */ | |
| 368 cdpb.csParam.words[3] = false; /* Stop address? */ | |
| 369 cdpb.csParam.words[4] = kStereoPlayMode; /* Audio Play Mode */ | |
| 370 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 371 SDL_SetError("PBControlSync() failed"); | |
| 372 return(-1); | |
| 373 } | |
| 374 #else | |
| 375 /* Specify the end of audio playback */ | |
| 376 FRAMES_TO_MSF(start+length, &m, &s, &f); | |
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377 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 378 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 379 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 380 cdpb.csCode = kAudioStop; | |
| 381 cdpb.csParam.words[0] = kTrackPosition; /* Position Mode */ | |
| 382 cdpb.csParam.words[1] = 0; /* Search Address (hiword)*/ | |
| 383 cdpb.csParam.words[2] = /* Search Address (loword)*/ | |
| 384 SDL_SYS_ShortToBCD(cdrom->numtracks); | |
| 385 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 386 SDL_SetError("PBControlSync() failed"); | |
| 387 return(-1); | |
| 388 } | |
| 389 | |
| 390 /* Specify the start of audio playback, and start it */ | |
| 391 FRAMES_TO_MSF(start, &m, &s, &f); | |
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392 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 393 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 394 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 395 cdpb.csCode = kAudioPlay; | |
| 396 cdpb.csParam.words[0] = kTrackPosition; /* Position Mode */ | |
| 397 cdpb.csParam.words[1] = 0; /* Search Address (hiword)*/ | |
| 398 cdpb.csParam.words[2] = SDL_SYS_ShortToBCD(1); /* Search Address (loword)*/ | |
| 399 cdpb.csParam.words[3] = false; /* Stop address? */ | |
| 400 cdpb.csParam.words[4] = kStereoPlayMode; /* Audio Play Mode */ | |
| 401 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 402 SDL_SetError("PBControlSync() failed"); | |
| 403 return(-1); | |
| 404 } | |
| 405 #endif | |
| 406 | |
| 407 return(0); | |
| 408 } | |
| 409 | |
| 410 /* Pause play */ | |
| 411 static int SDL_SYS_CDPause(SDL_CD *cdrom) | |
| 412 { | |
| 413 CDCntrlParam cdpb; | |
| 414 | |
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415 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 416 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 417 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 418 cdpb.csCode = kAudioPause; | |
| 419 cdpb.csParam.words[0] = 0; /* Pause/Continue Flag (hiword) */ | |
| 420 cdpb.csParam.words[1] = 1; /* Pause/Continue Flag (loword) */ | |
| 421 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 422 SDL_SetError("PBControlSync() failed"); | |
| 423 return(-1); | |
| 424 } | |
| 425 return(0); | |
| 426 } | |
| 427 | |
| 428 /* Resume play */ | |
| 429 static int SDL_SYS_CDResume(SDL_CD *cdrom) | |
| 430 { | |
| 431 CDCntrlParam cdpb; | |
| 432 | |
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433 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 434 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 435 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 436 cdpb.csCode = kAudioPause; | |
| 437 cdpb.csParam.words[0] = 0; /* Pause/Continue Flag (hiword) */ | |
| 438 cdpb.csParam.words[1] = 0; /* Pause/Continue Flag (loword) */ | |
| 439 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 440 SDL_SetError("PBControlSync() failed"); | |
| 441 return(-1); | |
| 442 } | |
| 443 return(0); | |
| 444 } | |
| 445 | |
| 446 /* Stop play */ | |
| 447 static int SDL_SYS_CDStop(SDL_CD *cdrom) | |
| 448 { | |
| 449 CDCntrlParam cdpb; | |
| 450 | |
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451 SDL_memset(&cdpb, 0, sizeof(cdpb)); |
| 0 | 452 cdpb.ioVRefNum = SDL_cdlist[cdrom->id].driveNum; |
| 453 cdpb.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 454 cdpb.csCode = kAudioStop; | |
| 455 cdpb.csParam.words[0] = 0; /* Position Mode */ | |
| 456 cdpb.csParam.words[1] = 0; /* Search Address (hiword) */ | |
| 457 cdpb.csParam.words[2] = 0; /* Search Address (loword) */ | |
| 458 if ( PBControlSync((ParmBlkPtr)&cdpb) != noErr ) { | |
| 459 SDL_SetError("PBControlSync() failed"); | |
| 460 return(-1); | |
| 461 } | |
| 462 return(0); | |
| 463 } | |
| 464 | |
| 465 /* Eject the CD-ROM */ | |
| 466 static int SDL_SYS_CDEject(SDL_CD *cdrom) | |
| 467 { | |
| 468 Boolean disk = false; | |
| 469 QHdr *driveQ = GetDrvQHdr(); | |
| 470 DrvQEl *driveElem; | |
| 471 HParamBlockRec hpb; | |
| 472 ParamBlockRec cpb; | |
| 473 | |
| 474 for ( driveElem = (DrvQEl *) driveQ->qHead; driveElem; driveElem = | |
| 475 (driveElem) ? ((DrvQEl *) driveElem->qLink) : | |
| 476 ((DrvQEl *) driveQ->qHead) ) { | |
| 477 if ( driveQ->qTail ) { | |
| 478 driveQ->qTail->qLink = 0; | |
| 479 } | |
| 480 if ( driveElem->dQRefNum != SDL_cdlist[cdrom->id].dRefNum ) { | |
| 481 continue; | |
| 482 } | |
| 483 | |
| 484 /* Does drive contain mounted volume? If not, skip */ | |
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485 SDL_memset(&hpb, 0, sizeof(hpb)); |
| 0 | 486 hpb.volumeParam.ioVRefNum = driveElem->dQDrive; |
| 487 if ( PBHGetVInfoSync(&hpb) != noErr ) { | |
| 488 continue; | |
| 489 } | |
| 490 if ( (UnmountVol(0, driveElem->dQDrive) == noErr) && | |
| 491 (Eject(0, driveElem->dQDrive) == noErr) ) { | |
| 492 driveElem = 0; /* Clear pointer to reset our loop */ | |
| 493 disk = true; | |
| 494 } | |
| 495 } | |
| 496 | |
| 497 /* If no disk is present, just eject the tray */ | |
| 498 if (! disk) { | |
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499 SDL_memset(&cpb, 0, sizeof(cpb)); |
| 0 | 500 cpb.cntrlParam.ioVRefNum = 0; /* No Drive */ |
| 501 cpb.cntrlParam.ioCRefNum = SDL_cdlist[cdrom->id].dRefNum; | |
| 502 cpb.cntrlParam.csCode = kEjectTheDisc; | |
| 503 if ( PBControlSync((ParmBlkPtr)&cpb) != noErr ) { | |
| 504 SDL_SetError("PBControlSync() failed"); | |
| 505 return(-1); | |
| 506 } | |
| 507 } | |
| 508 return(0); | |
| 509 } | |
| 510 | |
| 511 /* Close the CD-ROM handle */ | |
| 512 static void SDL_SYS_CDClose(SDL_CD *cdrom) | |
| 513 { | |
| 514 return; | |
| 515 } | |
| 516 | |
| 517 void SDL_SYS_CDQuit(void) | |
| 518 { | |
| 519 while(SDL_numcds--) | |
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520 SDL_memset(SDL_cdlist + SDL_numcds, 0, sizeof(SDL_cdlist[0])); |
| 0 | 521 } |
| 522 |