Mercurial > sdl-ios-xcode
annotate src/cdrom/linux/SDL_syscdrom.c @ 1338:604d73db6802
Removed uses of stdlib.h and string.h
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 07 Feb 2006 09:29:18 +0000 |
| parents | 3692456e7b0f |
| children | d02b552e5304 |
| 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 /* Functions for system-level CD-ROM audio control */ | |
| 24 | |
| 25 #include <sys/types.h> | |
| 26 #include <sys/stat.h> | |
| 27 #include <sys/ioctl.h> | |
| 28 #include <fcntl.h> | |
| 29 #include <errno.h> | |
| 30 #include <unistd.h> | |
| 31 #ifdef __linux__ | |
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32 #ifdef HAVE_LINUX_VERSION_H |
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33 /* linux 2.6.9 workaround */ |
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34 #include <linux/version.h> |
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35 #if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,9) |
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36 #include <asm/types.h> |
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37 #define __le64 __u64 |
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38 #define __le32 __u32 |
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39 #define __le16 __u16 |
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40 #define __be64 __u64 |
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41 #define __be32 __u32 |
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42 #define __be16 __u16 |
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43 #endif /* linux 2.6.9 workaround */ |
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44 #endif /* HAVE_LINUX_VERSION_H */ |
| 0 | 45 #include <linux/cdrom.h> |
| 46 #endif | |
| 47 #ifdef __SVR4 | |
| 48 #include <sys/cdio.h> | |
| 49 #endif | |
| 50 | |
| 51 /* Define this to use the alternative getmntent() code */ | |
| 52 #ifndef __SVR4 | |
| 53 #define USE_MNTENT | |
| 54 #endif | |
| 55 | |
| 56 #ifdef USE_MNTENT | |
| 57 #if defined(__USLC__) | |
| 58 #include <sys/mntent.h> | |
| 59 #else | |
| 60 #include <mntent.h> | |
| 61 #endif | |
| 62 | |
| 63 #ifndef _PATH_MNTTAB | |
| 64 #ifdef MNTTAB | |
| 65 #define _PATH_MNTTAB MNTTAB | |
| 66 #else | |
| 67 #define _PATH_MNTTAB "/etc/fstab" | |
| 68 #endif | |
| 69 #endif /* !_PATH_MNTTAB */ | |
| 70 | |
| 71 #ifndef _PATH_MOUNTED | |
| 72 #define _PATH_MOUNTED "/etc/mtab" | |
| 73 #endif /* !_PATH_MOUNTED */ | |
| 74 | |
| 75 #ifndef MNTTYPE_CDROM | |
| 76 #define MNTTYPE_CDROM "iso9660" | |
| 77 #endif | |
| 78 #ifndef MNTTYPE_SUPER | |
| 79 #define MNTTYPE_SUPER "supermount" | |
| 80 #endif | |
| 81 #endif /* USE_MNTENT */ | |
| 82 | |
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83 #include "SDL_stdlib.h" |
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84 #include "SDL_string.h" |
| 0 | 85 #include "SDL_error.h" |
| 86 #include "SDL_cdrom.h" | |
| 87 #include "SDL_syscdrom.h" | |
| 88 | |
| 89 | |
| 90 /* The maximum number of CD-ROM drives we'll detect */ | |
| 91 #define MAX_DRIVES 16 | |
| 92 | |
| 93 /* A list of available CD-ROM drives */ | |
| 94 static char *SDL_cdlist[MAX_DRIVES]; | |
| 95 static dev_t SDL_cdmode[MAX_DRIVES]; | |
| 96 | |
| 97 /* The system-dependent CD control functions */ | |
| 98 static const char *SDL_SYS_CDName(int drive); | |
| 99 static int SDL_SYS_CDOpen(int drive); | |
| 100 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | |
| 101 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | |
| 102 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | |
| 103 static int SDL_SYS_CDPause(SDL_CD *cdrom); | |
| 104 static int SDL_SYS_CDResume(SDL_CD *cdrom); | |
| 105 static int SDL_SYS_CDStop(SDL_CD *cdrom); | |
| 106 static int SDL_SYS_CDEject(SDL_CD *cdrom); | |
| 107 static void SDL_SYS_CDClose(SDL_CD *cdrom); | |
| 108 | |
| 109 /* Some ioctl() errno values which occur when the tray is empty */ | |
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110 #ifndef ENOMEDIUM |
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111 #define ENOMEDIUM ENOENT |
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112 #endif |
| 0 | 113 #define ERRNO_TRAYEMPTY(errno) \ |
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114 ((errno == EIO) || (errno == ENOENT) || \ |
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115 (errno == EINVAL) || (errno == ENOMEDIUM)) |
| 0 | 116 |
| 117 /* Check a drive to see if it is a CD-ROM */ | |
| 118 static int CheckDrive(char *drive, char *mnttype, struct stat *stbuf) | |
| 119 { | |
| 120 int is_cd, cdfd; | |
| 121 struct cdrom_subchnl info; | |
| 122 | |
| 123 /* If it doesn't exist, return -1 */ | |
| 124 if ( stat(drive, stbuf) < 0 ) { | |
| 125 return(-1); | |
| 126 } | |
| 127 | |
| 128 /* If it does exist, verify that it's an available CD-ROM */ | |
| 129 is_cd = 0; | |
| 130 if ( S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode) ) { | |
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131 cdfd = open(drive, (O_RDONLY|O_NONBLOCK), 0); |
| 0 | 132 if ( cdfd >= 0 ) { |
| 133 info.cdsc_format = CDROM_MSF; | |
| 134 /* Under Linux, EIO occurs when a disk is not present. | |
| 135 */ | |
| 136 if ( (ioctl(cdfd, CDROMSUBCHNL, &info) == 0) || | |
| 137 ERRNO_TRAYEMPTY(errno) ) { | |
| 138 is_cd = 1; | |
| 139 } | |
| 140 close(cdfd); | |
| 141 } | |
| 142 #ifdef USE_MNTENT | |
| 143 /* Even if we can't read it, it might be mounted */ | |
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144 else if ( mnttype && (SDL_strcmp(mnttype, MNTTYPE_CDROM) == 0) ) { |
| 0 | 145 is_cd = 1; |
| 146 } | |
| 147 #endif | |
| 148 } | |
| 149 return(is_cd); | |
| 150 } | |
| 151 | |
| 152 /* Add a CD-ROM drive to our list of valid drives */ | |
| 153 static void AddDrive(char *drive, struct stat *stbuf) | |
| 154 { | |
| 155 int i; | |
| 156 | |
| 157 if ( SDL_numcds < MAX_DRIVES ) { | |
| 158 /* Check to make sure it's not already in our list. | |
| 159 This can happen when we see a drive via symbolic link. | |
| 160 */ | |
| 161 for ( i=0; i<SDL_numcds; ++i ) { | |
| 162 if ( stbuf->st_rdev == SDL_cdmode[i] ) { | |
| 163 #ifdef DEBUG_CDROM | |
| 164 fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]); | |
| 165 #endif | |
| 166 return; | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 /* Add this drive to our list */ | |
| 171 i = SDL_numcds; | |
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172 SDL_cdlist[i] = (char *)SDL_malloc(SDL_strlen(drive)+1); |
| 0 | 173 if ( SDL_cdlist[i] == NULL ) { |
| 174 SDL_OutOfMemory(); | |
| 175 return; | |
| 176 } | |
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177 SDL_strcpy(SDL_cdlist[i], drive); |
| 0 | 178 SDL_cdmode[i] = stbuf->st_rdev; |
| 179 ++SDL_numcds; | |
| 180 #ifdef DEBUG_CDROM | |
| 181 fprintf(stderr, "Added CD-ROM drive: %s\n", drive); | |
| 182 #endif | |
| 183 } | |
| 184 } | |
| 185 | |
| 186 #ifdef USE_MNTENT | |
| 187 static void CheckMounts(const char *mtab) | |
| 188 { | |
| 189 FILE *mntfp; | |
| 190 struct mntent *mntent; | |
| 191 struct stat stbuf; | |
| 192 | |
| 193 mntfp = setmntent(mtab, "r"); | |
| 194 if ( mntfp != NULL ) { | |
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195 char *tmp; |
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196 char *mnt_type; |
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197 char *mnt_dev; |
| 0 | 198 |
| 199 while ( (mntent=getmntent(mntfp)) != NULL ) { | |
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200 mnt_type = SDL_malloc(SDL_strlen(mntent->mnt_type) + 1); |
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201 if (mnt_type == NULL) |
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202 continue; /* maybe you'll get lucky next time. */ |
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203 |
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204 mnt_dev = SDL_malloc(SDL_strlen(mntent->mnt_fsname) + 1); |
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205 if (mnt_dev == NULL) { |
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206 SDL_free(mnt_type); |
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207 continue; |
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208 } |
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209 |
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210 SDL_strcpy(mnt_type, mntent->mnt_type); |
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211 SDL_strcpy(mnt_dev, mntent->mnt_fsname); |
| 0 | 212 |
| 213 /* Handle "supermount" filesystem mounts */ | |
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214 if ( SDL_strcmp(mnt_type, MNTTYPE_SUPER) == 0 ) { |
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215 tmp = SDL_strstr(mntent->mnt_opts, "fs="); |
| 0 | 216 if ( tmp ) { |
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217 SDL_free(mnt_type); |
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218 mnt_type = strdup(tmp + SDL_strlen("fs=")); |
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219 if ( mnt_type ) { |
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220 tmp = SDL_strchr(mnt_type, ','); |
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221 if ( tmp ) { |
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222 *tmp = '\0'; |
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223 } |
| 0 | 224 } |
| 225 } | |
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226 tmp = SDL_strstr(mntent->mnt_opts, "dev="); |
| 0 | 227 if ( tmp ) { |
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228 SDL_free(mnt_dev); |
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229 mnt_dev = strdup(tmp + SDL_strlen("dev=")); |
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230 if ( mnt_dev ) { |
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231 tmp = SDL_strchr(mnt_dev, ','); |
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232 if ( tmp ) { |
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233 *tmp = '\0'; |
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234 } |
| 0 | 235 } |
| 236 } | |
| 237 } | |
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238 if ( SDL_strcmp(mnt_type, MNTTYPE_CDROM) == 0 ) { |
| 0 | 239 #ifdef DEBUG_CDROM |
| 240 fprintf(stderr, "Checking mount path from %s: %s mounted on %s of %s\n", | |
| 241 mtab, mnt_dev, mntent->mnt_dir, mnt_type); | |
| 242 #endif | |
| 243 if (CheckDrive(mnt_dev, mnt_type, &stbuf) > 0) { | |
| 244 AddDrive(mnt_dev, &stbuf); | |
| 245 } | |
| 246 } | |
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247 SDL_free(mnt_dev); |
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248 SDL_free(mnt_type); |
| 0 | 249 } |
| 250 endmntent(mntfp); | |
| 251 } | |
| 252 } | |
| 253 #endif /* USE_MNTENT */ | |
| 254 | |
| 255 int SDL_SYS_CDInit(void) | |
| 256 { | |
| 257 /* checklist: /dev/cdrom, /dev/hd?, /dev/scd? /dev/sr? */ | |
| 258 static char *checklist[] = { | |
| 259 "cdrom", "?a hd?", "?0 scd?", "?0 sr?", NULL | |
| 260 }; | |
| 261 char *SDLcdrom; | |
| 262 int i, j, exists; | |
| 263 char drive[32]; | |
| 264 struct stat stbuf; | |
| 265 | |
| 266 /* Fill in our driver capabilities */ | |
| 267 SDL_CDcaps.Name = SDL_SYS_CDName; | |
| 268 SDL_CDcaps.Open = SDL_SYS_CDOpen; | |
| 269 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | |
| 270 SDL_CDcaps.Status = SDL_SYS_CDStatus; | |
| 271 SDL_CDcaps.Play = SDL_SYS_CDPlay; | |
| 272 SDL_CDcaps.Pause = SDL_SYS_CDPause; | |
| 273 SDL_CDcaps.Resume = SDL_SYS_CDResume; | |
| 274 SDL_CDcaps.Stop = SDL_SYS_CDStop; | |
| 275 SDL_CDcaps.Eject = SDL_SYS_CDEject; | |
| 276 SDL_CDcaps.Close = SDL_SYS_CDClose; | |
| 277 | |
| 278 /* Look in the environment for our CD-ROM drive list */ | |
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279 SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ |
| 0 | 280 if ( SDLcdrom != NULL ) { |
| 281 char *cdpath, *delim; | |
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282 cdpath = SDL_malloc(SDL_strlen(SDLcdrom)+1); |
| 0 | 283 if ( cdpath != NULL ) { |
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284 SDL_strcpy(cdpath, SDLcdrom); |
| 0 | 285 SDLcdrom = cdpath; |
| 286 do { | |
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287 delim = SDL_strchr(SDLcdrom, ':'); |
| 0 | 288 if ( delim ) { |
| 289 *delim++ = '\0'; | |
| 290 } | |
| 291 #ifdef DEBUG_CDROM | |
| 292 fprintf(stderr, "Checking CD-ROM drive from SDL_CDROM: %s\n", SDLcdrom); | |
| 293 #endif | |
| 294 if ( CheckDrive(SDLcdrom, NULL, &stbuf) > 0 ) { | |
| 295 AddDrive(SDLcdrom, &stbuf); | |
| 296 } | |
| 297 if ( delim ) { | |
| 298 SDLcdrom = delim; | |
| 299 } else { | |
| 300 SDLcdrom = NULL; | |
| 301 } | |
| 302 } while ( SDLcdrom ); | |
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303 SDL_free(cdpath); |
| 0 | 304 } |
| 305 | |
| 306 /* If we found our drives, there's nothing left to do */ | |
| 307 if ( SDL_numcds > 0 ) { | |
| 308 return(0); | |
| 309 } | |
| 310 } | |
| 311 | |
| 312 #ifdef USE_MNTENT | |
| 313 /* Check /dev/cdrom first :-) */ | |
| 314 if (CheckDrive("/dev/cdrom", NULL, &stbuf) > 0) { | |
| 315 AddDrive("/dev/cdrom", &stbuf); | |
| 316 } | |
| 317 | |
| 318 /* Now check the currently mounted CD drives */ | |
| 319 CheckMounts(_PATH_MOUNTED); | |
| 320 | |
| 321 /* Finally check possible mountable drives in /etc/fstab */ | |
| 322 CheckMounts(_PATH_MNTTAB); | |
| 323 | |
| 324 /* If we found our drives, there's nothing left to do */ | |
| 325 if ( SDL_numcds > 0 ) { | |
| 326 return(0); | |
| 327 } | |
| 328 #endif /* USE_MNTENT */ | |
| 329 | |
| 330 /* Scan the system for CD-ROM drives. | |
| 331 Not always 100% reliable, so use the USE_MNTENT code above first. | |
| 332 */ | |
| 333 for ( i=0; checklist[i]; ++i ) { | |
| 334 if ( checklist[i][0] == '?' ) { | |
| 335 char *insert; | |
| 336 exists = 1; | |
| 337 for ( j=checklist[i][1]; exists; ++j ) { | |
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338 SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", &checklist[i][3]); |
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339 insert = SDL_strchr(drive, '?'); |
| 0 | 340 if ( insert != NULL ) { |
| 341 *insert = j; | |
| 342 } | |
| 343 #ifdef DEBUG_CDROM | |
| 344 fprintf(stderr, "Checking possible CD-ROM drive: %s\n", drive); | |
| 345 #endif | |
| 346 switch (CheckDrive(drive, NULL, &stbuf)) { | |
| 347 /* Drive exists and is a CD-ROM */ | |
| 348 case 1: | |
| 349 AddDrive(drive, &stbuf); | |
| 350 break; | |
| 351 /* Drive exists, but isn't a CD-ROM */ | |
| 352 case 0: | |
| 353 break; | |
| 354 /* Drive doesn't exist */ | |
| 355 case -1: | |
| 356 exists = 0; | |
| 357 break; | |
| 358 } | |
| 359 } | |
| 360 } else { | |
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361 SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", checklist[i]); |
| 0 | 362 #ifdef DEBUG_CDROM |
| 363 fprintf(stderr, "Checking possible CD-ROM drive: %s\n", drive); | |
| 364 #endif | |
| 365 if ( CheckDrive(drive, NULL, &stbuf) > 0 ) { | |
| 366 AddDrive(drive, &stbuf); | |
| 367 } | |
| 368 } | |
| 369 } | |
| 370 return(0); | |
| 371 } | |
| 372 | |
| 373 /* General ioctl() CD-ROM command function */ | |
| 374 static int SDL_SYS_CDioctl(int id, int command, void *arg) | |
| 375 { | |
| 376 int retval; | |
| 377 | |
| 378 retval = ioctl(id, command, arg); | |
| 379 if ( retval < 0 ) { | |
| 380 SDL_SetError("ioctl() error: %s", strerror(errno)); | |
| 381 } | |
| 382 return(retval); | |
| 383 } | |
| 384 | |
| 385 static const char *SDL_SYS_CDName(int drive) | |
| 386 { | |
| 387 return(SDL_cdlist[drive]); | |
| 388 } | |
| 389 | |
| 390 static int SDL_SYS_CDOpen(int drive) | |
| 391 { | |
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392 return(open(SDL_cdlist[drive], (O_RDONLY|O_NONBLOCK), 0)); |
| 0 | 393 } |
| 394 | |
| 395 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | |
| 396 { | |
| 397 struct cdrom_tochdr toc; | |
| 398 int i, okay; | |
| 399 struct cdrom_tocentry entry; | |
| 400 | |
| 401 okay = 0; | |
| 402 if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc) == 0 ) { | |
| 403 cdrom->numtracks = toc.cdth_trk1-toc.cdth_trk0+1; | |
| 404 if ( cdrom->numtracks > SDL_MAX_TRACKS ) { | |
| 405 cdrom->numtracks = SDL_MAX_TRACKS; | |
| 406 } | |
| 407 /* Read all the track TOC entries */ | |
| 408 for ( i=0; i<=cdrom->numtracks; ++i ) { | |
| 409 if ( i == cdrom->numtracks ) { | |
| 410 cdrom->track[i].id = CDROM_LEADOUT; | |
| 411 } else { | |
| 412 cdrom->track[i].id = toc.cdth_trk0+i; | |
| 413 } | |
| 414 entry.cdte_track = cdrom->track[i].id; | |
| 415 entry.cdte_format = CDROM_MSF; | |
| 416 if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, | |
| 417 &entry) < 0 ) { | |
| 418 break; | |
| 419 } else { | |
| 420 if ( entry.cdte_ctrl & CDROM_DATA_TRACK ) { | |
| 421 cdrom->track[i].type = SDL_DATA_TRACK; | |
| 422 } else { | |
| 423 cdrom->track[i].type = SDL_AUDIO_TRACK; | |
| 424 } | |
| 425 cdrom->track[i].offset = MSF_TO_FRAMES( | |
| 426 entry.cdte_addr.msf.minute, | |
| 427 entry.cdte_addr.msf.second, | |
| 428 entry.cdte_addr.msf.frame); | |
| 429 cdrom->track[i].length = 0; | |
| 430 if ( i > 0 ) { | |
| 431 cdrom->track[i-1].length = | |
| 432 cdrom->track[i].offset- | |
| 433 cdrom->track[i-1].offset; | |
| 434 } | |
| 435 } | |
| 436 } | |
| 437 if ( i == (cdrom->numtracks+1) ) { | |
| 438 okay = 1; | |
| 439 } | |
| 440 } | |
| 441 return(okay ? 0 : -1); | |
| 442 } | |
| 443 | |
| 444 /* Get CD-ROM status */ | |
| 445 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | |
| 446 { | |
| 447 CDstatus status; | |
| 448 struct cdrom_tochdr toc; | |
| 449 struct cdrom_subchnl info; | |
| 450 | |
| 451 info.cdsc_format = CDROM_MSF; | |
| 452 if ( ioctl(cdrom->id, CDROMSUBCHNL, &info) < 0 ) { | |
| 453 if ( ERRNO_TRAYEMPTY(errno) ) { | |
| 454 status = CD_TRAYEMPTY; | |
| 455 } else { | |
| 456 status = CD_ERROR; | |
| 457 } | |
| 458 } else { | |
| 459 switch (info.cdsc_audiostatus) { | |
| 460 case CDROM_AUDIO_INVALID: | |
| 461 case CDROM_AUDIO_NO_STATUS: | |
| 462 /* Try to determine if there's a CD available */ | |
| 463 if (ioctl(cdrom->id, CDROMREADTOCHDR, &toc)==0) | |
| 464 status = CD_STOPPED; | |
| 465 else | |
| 466 status = CD_TRAYEMPTY; | |
| 467 break; | |
| 468 case CDROM_AUDIO_COMPLETED: | |
| 469 status = CD_STOPPED; | |
| 470 break; | |
| 471 case CDROM_AUDIO_PLAY: | |
| 472 status = CD_PLAYING; | |
| 473 break; | |
| 474 case CDROM_AUDIO_PAUSED: | |
| 475 /* Workaround buggy CD-ROM drive */ | |
| 476 if ( info.cdsc_trk == CDROM_LEADOUT ) { | |
| 477 status = CD_STOPPED; | |
| 478 } else { | |
| 479 status = CD_PAUSED; | |
| 480 } | |
| 481 break; | |
| 482 default: | |
| 483 status = CD_ERROR; | |
| 484 break; | |
| 485 } | |
| 486 } | |
| 487 if ( position ) { | |
| 488 if ( status == CD_PLAYING || (status == CD_PAUSED) ) { | |
| 489 *position = MSF_TO_FRAMES( | |
| 490 info.cdsc_absaddr.msf.minute, | |
| 491 info.cdsc_absaddr.msf.second, | |
| 492 info.cdsc_absaddr.msf.frame); | |
| 493 } else { | |
| 494 *position = 0; | |
| 495 } | |
| 496 } | |
| 497 return(status); | |
| 498 } | |
| 499 | |
| 500 /* Start play */ | |
| 501 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | |
| 502 { | |
| 503 struct cdrom_msf playtime; | |
| 504 | |
| 505 FRAMES_TO_MSF(start, | |
| 506 &playtime.cdmsf_min0, &playtime.cdmsf_sec0, &playtime.cdmsf_frame0); | |
| 507 FRAMES_TO_MSF(start+length, | |
| 508 &playtime.cdmsf_min1, &playtime.cdmsf_sec1, &playtime.cdmsf_frame1); | |
| 509 #ifdef DEBUG_CDROM | |
| 510 fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n", | |
| 511 playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0, | |
| 512 playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1); | |
| 513 #endif | |
| 514 return(SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime)); | |
| 515 } | |
| 516 | |
| 517 /* Pause play */ | |
| 518 static int SDL_SYS_CDPause(SDL_CD *cdrom) | |
| 519 { | |
| 520 return(SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0)); | |
| 521 } | |
| 522 | |
| 523 /* Resume play */ | |
| 524 static int SDL_SYS_CDResume(SDL_CD *cdrom) | |
| 525 { | |
| 526 return(SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0)); | |
| 527 } | |
| 528 | |
| 529 /* Stop play */ | |
| 530 static int SDL_SYS_CDStop(SDL_CD *cdrom) | |
| 531 { | |
| 532 return(SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0)); | |
| 533 } | |
| 534 | |
| 535 /* Eject the CD-ROM */ | |
| 536 static int SDL_SYS_CDEject(SDL_CD *cdrom) | |
| 537 { | |
| 538 return(SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0)); | |
| 539 } | |
| 540 | |
| 541 /* Close the CD-ROM handle */ | |
| 542 static void SDL_SYS_CDClose(SDL_CD *cdrom) | |
| 543 { | |
| 544 close(cdrom->id); | |
| 545 } | |
| 546 | |
| 547 void SDL_SYS_CDQuit(void) | |
| 548 { | |
| 549 int i; | |
| 550 | |
| 551 if ( SDL_numcds > 0 ) { | |
| 552 for ( i=0; i<SDL_numcds; ++i ) { | |
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553 SDL_free(SDL_cdlist[i]); |
| 0 | 554 } |
| 555 SDL_numcds = 0; | |
| 556 } | |
| 557 } | |
| 558 |