diff options
Diffstat (limited to 'apps/plugins/sdl/src/cdrom/aix')
-rw-r--r-- | apps/plugins/sdl/src/cdrom/aix/SDL_syscdrom.c | 660 |
1 files changed, 660 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/cdrom/aix/SDL_syscdrom.c b/apps/plugins/sdl/src/cdrom/aix/SDL_syscdrom.c new file mode 100644 index 0000000000..e7e05585e3 --- /dev/null +++ b/apps/plugins/sdl/src/cdrom/aix/SDL_syscdrom.c | |||
@@ -0,0 +1,660 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
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 | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Carsten Griwodz | ||
20 | griff@kom.tu-darmstadt.de | ||
21 | |||
22 | based on linux/SDL_syscdrom.c by Sam Lantinga | ||
23 | */ | ||
24 | #include "SDL_config.h" | ||
25 | |||
26 | #ifdef SDL_CDROM_AIX | ||
27 | |||
28 | /* Functions for system-level CD-ROM audio control */ | ||
29 | |||
30 | /*#define DEBUG_CDROM 1*/ | ||
31 | |||
32 | #include <sys/types.h> | ||
33 | #include <sys/stat.h> | ||
34 | #include <fcntl.h> | ||
35 | #include <errno.h> | ||
36 | #include <unistd.h> | ||
37 | |||
38 | #include <sys/ioctl.h> | ||
39 | #include <sys/devinfo.h> | ||
40 | #include <sys/mntctl.h> | ||
41 | #include <sys/statfs.h> | ||
42 | #include <sys/vmount.h> | ||
43 | #include <fstab.h> | ||
44 | #include <sys/scdisk.h> | ||
45 | |||
46 | #include "SDL_cdrom.h" | ||
47 | #include "../SDL_syscdrom.h" | ||
48 | |||
49 | /* The maximum number of CD-ROM drives we'll detect */ | ||
50 | #define MAX_DRIVES 16 | ||
51 | |||
52 | /* A list of available CD-ROM drives */ | ||
53 | static char *SDL_cdlist[MAX_DRIVES]; | ||
54 | static dev_t SDL_cdmode[MAX_DRIVES]; | ||
55 | |||
56 | /* The system-dependent CD control functions */ | ||
57 | static const char *SDL_SYS_CDName(int drive); | ||
58 | static int SDL_SYS_CDOpen(int drive); | ||
59 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | ||
60 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | ||
61 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | ||
62 | static int SDL_SYS_CDPause(SDL_CD *cdrom); | ||
63 | static int SDL_SYS_CDResume(SDL_CD *cdrom); | ||
64 | static int SDL_SYS_CDStop(SDL_CD *cdrom); | ||
65 | static int SDL_SYS_CDEject(SDL_CD *cdrom); | ||
66 | static void SDL_SYS_CDClose(SDL_CD *cdrom); | ||
67 | static int SDL_SYS_CDioctl(int id, int command, void *arg); | ||
68 | |||
69 | /* Check a drive to see if it is a CD-ROM */ | ||
70 | static int CheckDrive(char *drive, struct stat *stbuf) | ||
71 | { | ||
72 | int is_cd; | ||
73 | int cdfd; | ||
74 | int ret; | ||
75 | struct devinfo info; | ||
76 | |||
77 | /* If it doesn't exist, return -1 */ | ||
78 | if ( stat(drive, stbuf) < 0 ) { | ||
79 | return -1; | ||
80 | } | ||
81 | |||
82 | /* If it does exist, verify that it's an available CD-ROM */ | ||
83 | is_cd = 0; | ||
84 | if ( S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode) ) { | ||
85 | cdfd = open(drive, (O_RDONLY|O_EXCL|O_NONBLOCK), 0); | ||
86 | if ( cdfd >= 0 ) { | ||
87 | ret = SDL_SYS_CDioctl( cdfd, IOCINFO, &info ); | ||
88 | if ( ret < 0 ) { | ||
89 | /* Some kind of error */ | ||
90 | is_cd = 0; | ||
91 | } else { | ||
92 | if ( info.devtype == DD_CDROM ) { | ||
93 | is_cd = 1; | ||
94 | } else { | ||
95 | is_cd = 0; | ||
96 | } | ||
97 | } | ||
98 | close(cdfd); | ||
99 | } | ||
100 | #ifdef DEBUG_CDROM | ||
101 | else | ||
102 | { | ||
103 | fprintf(stderr, "Could not open drive %s (%s)\n", drive, strerror(errno)); | ||
104 | } | ||
105 | #endif | ||
106 | } | ||
107 | return is_cd; | ||
108 | } | ||
109 | |||
110 | /* Add a CD-ROM drive to our list of valid drives */ | ||
111 | static void AddDrive(char *drive, struct stat *stbuf) | ||
112 | { | ||
113 | int i; | ||
114 | |||
115 | if ( SDL_numcds < MAX_DRIVES ) { | ||
116 | /* Check to make sure it's not already in our list. | ||
117 | This can happen when we see a drive via symbolic link. | ||
118 | */ | ||
119 | for ( i=0; i<SDL_numcds; ++i ) { | ||
120 | if ( stbuf->st_rdev == SDL_cdmode[i] ) { | ||
121 | #ifdef DEBUG_CDROM | ||
122 | fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]); | ||
123 | #endif | ||
124 | return; | ||
125 | } | ||
126 | } | ||
127 | |||
128 | /* Add this drive to our list */ | ||
129 | i = SDL_numcds; | ||
130 | SDL_cdlist[i] = SDL_strdup(drive); | ||
131 | if ( SDL_cdlist[i] == NULL ) { | ||
132 | SDL_OutOfMemory(); | ||
133 | return; | ||
134 | } | ||
135 | SDL_cdmode[i] = stbuf->st_rdev; | ||
136 | ++SDL_numcds; | ||
137 | #ifdef DEBUG_CDROM | ||
138 | fprintf(stderr, "Added CD-ROM drive: %s\n", drive); | ||
139 | #endif | ||
140 | } | ||
141 | } | ||
142 | |||
143 | static void CheckMounts() | ||
144 | { | ||
145 | char* buffer; | ||
146 | int bufsz; | ||
147 | struct vmount* ptr; | ||
148 | int ret; | ||
149 | |||
150 | buffer = (char*)SDL_malloc(10); | ||
151 | bufsz = 10; | ||
152 | if ( buffer==NULL ) | ||
153 | { | ||
154 | fprintf(stderr, "Could not allocate 10 bytes in aix/SDL_syscdrom.c:CheckMounts\n" ); | ||
155 | exit ( -10 ); | ||
156 | } | ||
157 | |||
158 | do | ||
159 | { | ||
160 | /* mntctrl() returns an array of all mounted filesystems */ | ||
161 | ret = mntctl ( MCTL_QUERY, bufsz, buffer ); | ||
162 | if ( ret == 0 ) | ||
163 | { | ||
164 | /* Buffer was too small, realloc. */ | ||
165 | bufsz = *(int*)buffer; /* Required size is in first word. */ | ||
166 | /* (whatever a word is in AIX 4.3.3) */ | ||
167 | /* int seems to be OK in 32bit mode. */ | ||
168 | SDL_free(buffer); | ||
169 | buffer = (char*)SDL_malloc(bufsz); | ||
170 | if ( buffer==NULL ) | ||
171 | { | ||
172 | fprintf(stderr, | ||
173 | "Could not allocate %d bytes in aix/SDL_syscdrom.c:CheckMounts\n", | ||
174 | bufsz ); | ||
175 | exit ( -10 ); | ||
176 | } | ||
177 | } | ||
178 | else if ( ret < 0 ) | ||
179 | { | ||
180 | #ifdef DEBUG_CDROM | ||
181 | fprintf(stderr, "Error reading vmount structures\n"); | ||
182 | #endif | ||
183 | return; | ||
184 | } | ||
185 | } | ||
186 | while ( ret == 0 ); | ||
187 | |||
188 | #ifdef DEBUG_CDROM | ||
189 | fprintf ( stderr, "Read %d vmount structures\n",ret ); | ||
190 | #endif | ||
191 | ptr = (struct vmount*)buffer; | ||
192 | do | ||
193 | { | ||
194 | switch(ptr->vmt_gfstype) | ||
195 | { | ||
196 | case MNT_CDROM : | ||
197 | { | ||
198 | struct stat stbuf; | ||
199 | char* text; | ||
200 | |||
201 | text = (char*)ptr + ptr->vmt_data[VMT_OBJECT].vmt_off; | ||
202 | #ifdef DEBUG_CDROM | ||
203 | fprintf(stderr, "Checking mount path: %s mounted on %s\n", | ||
204 | text, (char*)ptr + ptr->vmt_data[VMT_STUB].vmt_off ); | ||
205 | #endif | ||
206 | if ( CheckDrive( text, &stbuf) > 0) | ||
207 | { | ||
208 | AddDrive( text, &stbuf); | ||
209 | } | ||
210 | } | ||
211 | break; | ||
212 | default : | ||
213 | break; | ||
214 | } | ||
215 | ptr = (struct vmount*)((char*)ptr + ptr->vmt_length); | ||
216 | ret--; | ||
217 | } | ||
218 | while ( ret > 0 ); | ||
219 | |||
220 | free ( buffer ); | ||
221 | } | ||
222 | |||
223 | static int CheckNonmounts() | ||
224 | { | ||
225 | #ifdef _THREAD_SAFE | ||
226 | AFILE_t fsFile = NULL; | ||
227 | int passNo = 0; | ||
228 | int ret; | ||
229 | struct fstab entry; | ||
230 | struct stat stbuf; | ||
231 | |||
232 | ret = setfsent_r( &fsFile, &passNo ); | ||
233 | if ( ret != 0 ) return -1; | ||
234 | do | ||
235 | { | ||
236 | ret = getfsent_r ( &entry, &fsFile, &passNo ); | ||
237 | if ( ret == 0 ) { | ||
238 | char* l = SDL_strrchr(entry.fs_spec,'/'); | ||
239 | if ( l != NULL ) { | ||
240 | if ( !SDL_strncmp("cd",++l,2) ) { | ||
241 | #ifdef DEBUG_CDROM | ||
242 | fprintf(stderr, | ||
243 | "Found unmounted CD ROM drive with device name %s\n", | ||
244 | entry.fs_spec); | ||
245 | #endif | ||
246 | if ( CheckDrive( entry.fs_spec, &stbuf) > 0) | ||
247 | { | ||
248 | AddDrive( entry.fs_spec, &stbuf); | ||
249 | } | ||
250 | } | ||
251 | } | ||
252 | } | ||
253 | } | ||
254 | while ( ret == 0 ); | ||
255 | ret = endfsent_r ( &fsFile ); | ||
256 | if ( ret != 0 ) return -1; | ||
257 | return 0; | ||
258 | #else | ||
259 | struct fstab* entry; | ||
260 | struct stat stbuf; | ||
261 | |||
262 | setfsent(); | ||
263 | do | ||
264 | { | ||
265 | entry = getfsent(); | ||
266 | if ( entry != NULL ) { | ||
267 | char* l = SDL_strrchr(entry->fs_spec,'/'); | ||
268 | if ( l != NULL ) { | ||
269 | if ( !SDL_strncmp("cd",++l,2) ) { | ||
270 | #ifdef DEBUG_CDROM | ||
271 | fprintf(stderr,"Found unmounted CD ROM drive with device name %s", entry->fs_spec); | ||
272 | #endif | ||
273 | if ( CheckDrive( entry->fs_spec, &stbuf) > 0) | ||
274 | { | ||
275 | AddDrive( entry->fs_spec, &stbuf); | ||
276 | } | ||
277 | } | ||
278 | } | ||
279 | } | ||
280 | } | ||
281 | while ( entry != NULL ); | ||
282 | endfsent(); | ||
283 | #endif | ||
284 | } | ||
285 | |||
286 | int SDL_SYS_CDInit(void) | ||
287 | { | ||
288 | char *SDLcdrom; | ||
289 | struct stat stbuf; | ||
290 | |||
291 | /* Fill in our driver capabilities */ | ||
292 | SDL_CDcaps.Name = SDL_SYS_CDName; | ||
293 | SDL_CDcaps.Open = SDL_SYS_CDOpen; | ||
294 | SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | ||
295 | SDL_CDcaps.Status = SDL_SYS_CDStatus; | ||
296 | SDL_CDcaps.Play = SDL_SYS_CDPlay; | ||
297 | SDL_CDcaps.Pause = SDL_SYS_CDPause; | ||
298 | SDL_CDcaps.Resume = SDL_SYS_CDResume; | ||
299 | SDL_CDcaps.Stop = SDL_SYS_CDStop; | ||
300 | SDL_CDcaps.Eject = SDL_SYS_CDEject; | ||
301 | SDL_CDcaps.Close = SDL_SYS_CDClose; | ||
302 | |||
303 | /* Look in the environment for our CD-ROM drive list */ | ||
304 | SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ | ||
305 | if ( SDLcdrom != NULL ) { | ||
306 | char *cdpath, *delim; | ||
307 | size_t len = SDL_strlen(SDLcdrom)+1; | ||
308 | cdpath = SDL_stack_alloc(char, len); | ||
309 | if ( cdpath != NULL ) { | ||
310 | SDL_strlcpy(cdpath, SDLcdrom, len); | ||
311 | SDLcdrom = cdpath; | ||
312 | do { | ||
313 | delim = SDL_strchr(SDLcdrom, ':'); | ||
314 | if ( delim ) { | ||
315 | *delim++ = '\0'; | ||
316 | } | ||
317 | #ifdef DEBUG_CDROM | ||
318 | fprintf(stderr, "Checking CD-ROM drive from SDL_CDROM: %s\n", SDLcdrom); | ||
319 | #endif | ||
320 | if ( CheckDrive(SDLcdrom, &stbuf) > 0 ) { | ||
321 | AddDrive(SDLcdrom, &stbuf); | ||
322 | } | ||
323 | if ( delim ) { | ||
324 | SDLcdrom = delim; | ||
325 | } else { | ||
326 | SDLcdrom = NULL; | ||
327 | } | ||
328 | } while ( SDLcdrom ); | ||
329 | SDL_stack_free(cdpath); | ||
330 | } | ||
331 | |||
332 | /* If we found our drives, there's nothing left to do */ | ||
333 | if ( SDL_numcds > 0 ) { | ||
334 | return(0); | ||
335 | } | ||
336 | } | ||
337 | |||
338 | CheckMounts(); | ||
339 | CheckNonmounts(); | ||
340 | |||
341 | return 0; | ||
342 | } | ||
343 | |||
344 | /* General ioctl() CD-ROM command function */ | ||
345 | static int SDL_SYS_CDioctl(int id, int command, void *arg) | ||
346 | { | ||
347 | int retval; | ||
348 | |||
349 | retval = ioctl(id, command, arg); | ||
350 | if ( retval < 0 ) { | ||
351 | SDL_SetError("ioctl() error: %s", strerror(errno)); | ||
352 | } | ||
353 | return retval; | ||
354 | } | ||
355 | |||
356 | static const char *SDL_SYS_CDName(int drive) | ||
357 | { | ||
358 | return(SDL_cdlist[drive]); | ||
359 | } | ||
360 | |||
361 | static int SDL_SYS_CDOpen(int drive) | ||
362 | { | ||
363 | int fd; | ||
364 | char* lastsl; | ||
365 | char* cdromname; | ||
366 | size_t len; | ||
367 | |||
368 | /* | ||
369 | * We found /dev/cd? drives and that is in our list. But we can | ||
370 | * open only the /dev/rcd? versions of those devices for Audio CD. | ||
371 | */ | ||
372 | len = SDL_strlen(SDL_cdlist[drive])+2; | ||
373 | cdromname = (char*)SDL_malloc(len); | ||
374 | SDL_strlcpy(cdromname,SDL_cdlist[drive],len); | ||
375 | lastsl = SDL_strrchr(cdromname,'/'); | ||
376 | if (lastsl) { | ||
377 | *lastsl = 0; | ||
378 | SDL_strlcat(cdromname,"/r",len); | ||
379 | lastsl = SDL_strrchr(SDL_cdlist[drive],'/'); | ||
380 | if (lastsl) { | ||
381 | lastsl++; | ||
382 | SDL_strlcat(cdromname,lastsl,len); | ||
383 | } | ||
384 | } | ||
385 | |||
386 | #ifdef DEBUG_CDROM | ||
387 | fprintf(stderr, "Should open drive %s, opening %s\n", SDL_cdlist[drive], cdromname); | ||
388 | #endif | ||
389 | |||
390 | /* | ||
391 | * Use exclusive access. Don't use SC_DIAGNOSTICS as xmcd does because they | ||
392 | * require root priviledges, and we don't want that. SC_SINGLE provides | ||
393 | * exclusive access with less trouble. | ||
394 | */ | ||
395 | fd = openx(cdromname, O_RDONLY, NULL, SC_SINGLE); | ||
396 | if ( fd < 0 ) | ||
397 | { | ||
398 | #ifdef DEBUG_CDROM | ||
399 | fprintf(stderr, "Could not open drive %s (%s)\n", cdromname, strerror(errno)); | ||
400 | #endif | ||
401 | } | ||
402 | else | ||
403 | { | ||
404 | struct mode_form_op cdMode; | ||
405 | int ret; | ||
406 | #ifdef DEBUG_CDROM | ||
407 | cdMode.action = CD_GET_MODE; | ||
408 | ret = SDL_SYS_CDioctl(fd, DK_CD_MODE, &cdMode); | ||
409 | if ( ret < 0 ) { | ||
410 | fprintf(stderr, | ||
411 | "Could not get drive mode for %s (%s)\n", | ||
412 | cdromname, strerror(errno)); | ||
413 | } else { | ||
414 | switch(cdMode.cd_mode_form) { | ||
415 | case CD_MODE1 : | ||
416 | fprintf(stderr, | ||
417 | "Drive mode for %s is %s\n", | ||
418 | cdromname, "CD-ROM Data Mode 1"); | ||
419 | break; | ||
420 | case CD_MODE2_FORM1 : | ||
421 | fprintf(stderr, | ||
422 | "Drive mode for %s is %s\n", | ||
423 | cdromname, "CD-ROM XA Data Mode 2 Form 1"); | ||
424 | break; | ||
425 | case CD_MODE2_FORM2 : | ||
426 | fprintf(stderr, | ||
427 | "Drive mode for %s is %s\n", | ||
428 | cdromname, "CD-ROM XA Data Mode 2 Form 2"); | ||
429 | break; | ||
430 | case CD_DA : | ||
431 | fprintf(stderr, | ||
432 | "Drive mode for %s is %s\n", | ||
433 | cdromname, "CD-DA"); | ||
434 | break; | ||
435 | default : | ||
436 | fprintf(stderr, | ||
437 | "Drive mode for %s is %s\n", | ||
438 | cdromname, "unknown"); | ||
439 | break; | ||
440 | } | ||
441 | } | ||
442 | #endif | ||
443 | |||
444 | cdMode.action = CD_CHG_MODE; | ||
445 | cdMode.cd_mode_form = CD_DA; | ||
446 | ret = SDL_SYS_CDioctl(fd, DK_CD_MODE, &cdMode); | ||
447 | if ( ret < 0 ) { | ||
448 | #ifdef DEBUG_CDROM | ||
449 | fprintf(stderr, | ||
450 | "Could not set drive mode for %s (%s)\n", | ||
451 | cdromname, strerror(errno)); | ||
452 | #endif | ||
453 | SDL_SetError("ioctl() error: Could not set CD drive mode, %s", | ||
454 | strerror(errno)); | ||
455 | } else { | ||
456 | #ifdef DEBUG_CDROM | ||
457 | fprintf(stderr, | ||
458 | "Drive mode for %s set to CD_DA\n", | ||
459 | cdromname); | ||
460 | #endif | ||
461 | } | ||
462 | } | ||
463 | SDL_free(cdromname); | ||
464 | return fd; | ||
465 | } | ||
466 | |||
467 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | ||
468 | { | ||
469 | struct cd_audio_cmd cmd; | ||
470 | struct cd_audio_cmd entry; | ||
471 | int i; | ||
472 | int okay; | ||
473 | |||
474 | cmd.audio_cmds = CD_TRK_INFO_AUDIO; | ||
475 | cmd.msf_flag = FALSE; | ||
476 | if ( SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd) < 0 ) { | ||
477 | return -1; | ||
478 | } | ||
479 | |||
480 | okay = 0; | ||
481 | cdrom->numtracks = cmd.indexing.track_index.last_track | ||
482 | - cmd.indexing.track_index.first_track+1; | ||
483 | if ( cdrom->numtracks > SDL_MAX_TRACKS ) { | ||
484 | cdrom->numtracks = SDL_MAX_TRACKS; | ||
485 | } | ||
486 | |||
487 | /* Read all the track TOC entries */ | ||
488 | for ( i=0; i<=cdrom->numtracks; ++i ) { | ||
489 | if ( i == cdrom->numtracks ) { | ||
490 | cdrom->track[i].id = 0xAA;; | ||
491 | } else { | ||
492 | cdrom->track[i].id = cmd.indexing.track_index.first_track+i; | ||
493 | } | ||
494 | entry.audio_cmds = CD_GET_TRK_MSF; | ||
495 | entry.indexing.track_msf.track = cdrom->track[i].id; | ||
496 | if ( SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &entry) < 0 ) { | ||
497 | break; | ||
498 | } else { | ||
499 | cdrom->track[i].type = 0; /* don't know how to detect 0x04 data track */ | ||
500 | cdrom->track[i].offset = MSF_TO_FRAMES( | ||
501 | entry.indexing.track_msf.mins, | ||
502 | entry.indexing.track_msf.secs, | ||
503 | entry.indexing.track_msf.frames); | ||
504 | cdrom->track[i].length = 0; | ||
505 | if ( i > 0 ) { | ||
506 | cdrom->track[i-1].length = cdrom->track[i].offset | ||
507 | - cdrom->track[i-1].offset; | ||
508 | } | ||
509 | } | ||
510 | } | ||
511 | if ( i == (cdrom->numtracks+1) ) { | ||
512 | okay = 1; | ||
513 | } | ||
514 | return(okay ? 0 : -1); | ||
515 | } | ||
516 | |||
517 | /* Get CD-ROM status */ | ||
518 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | ||
519 | { | ||
520 | CDstatus status; | ||
521 | struct cd_audio_cmd cmd; | ||
522 | cmd.audio_cmds = CD_INFO_AUDIO; | ||
523 | |||
524 | if ( SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd) < 0 ) { | ||
525 | #ifdef DEBUG_CDROM | ||
526 | fprintf(stderr, "ioctl failed in SDL_SYS_CDStatus (%s)\n", SDL_GetError()); | ||
527 | #endif | ||
528 | status = CD_ERROR; | ||
529 | } else { | ||
530 | switch (cmd.status) { | ||
531 | case CD_NO_AUDIO: | ||
532 | case CD_COMPLETED: | ||
533 | status = CD_STOPPED; | ||
534 | break; | ||
535 | case CD_PLAY_AUDIO: | ||
536 | status = CD_PLAYING; | ||
537 | break; | ||
538 | case CD_PAUSE_AUDIO: | ||
539 | status = CD_PAUSED; | ||
540 | break; | ||
541 | case CD_NOT_VALID: | ||
542 | #ifdef DEBUG_CDROM | ||
543 | fprintf(stderr, "cdStatus failed with CD_NOT_VALID\n"); | ||
544 | #endif | ||
545 | status = CD_ERROR; | ||
546 | break; | ||
547 | case CD_STATUS_ERROR: | ||
548 | #ifdef DEBUG_CDROM | ||
549 | fprintf(stderr, "cdStatus failed with CD_STATUS_ERROR\n"); | ||
550 | #endif | ||
551 | status = CD_ERROR; | ||
552 | break; | ||
553 | default: | ||
554 | #ifdef DEBUG_CDROM | ||
555 | fprintf(stderr, "cdStatus failed with unknown error\n"); | ||
556 | #endif | ||
557 | status = CD_ERROR; | ||
558 | break; | ||
559 | } | ||
560 | } | ||
561 | if ( position ) { | ||
562 | if ( status == CD_PLAYING || (status == CD_PAUSED) ) { | ||
563 | *position = MSF_TO_FRAMES( cmd.indexing.info_audio.current_mins, | ||
564 | cmd.indexing.info_audio.current_secs, | ||
565 | cmd.indexing.info_audio.current_frames); | ||
566 | } else { | ||
567 | *position = 0; | ||
568 | } | ||
569 | } | ||
570 | return status; | ||
571 | } | ||
572 | |||
573 | /* Start play */ | ||
574 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | ||
575 | { | ||
576 | struct cd_audio_cmd cmd; | ||
577 | |||
578 | /* | ||
579 | * My CD Rom is muted by default. I think I read that this is new with | ||
580 | * AIX 4.3. SDL does not change the volume, so I need a kludge. Maybe | ||
581 | * its better to do this elsewhere? | ||
582 | */ | ||
583 | cmd.audio_cmds = CD_PLAY_AUDIO | CD_SET_VOLUME; | ||
584 | cmd.msf_flag = TRUE; | ||
585 | FRAMES_TO_MSF(start, | ||
586 | &cmd.indexing.msf.first_mins, | ||
587 | &cmd.indexing.msf.first_secs, | ||
588 | &cmd.indexing.msf.first_frames); | ||
589 | FRAMES_TO_MSF(start+length, | ||
590 | &cmd.indexing.msf.last_mins, | ||
591 | &cmd.indexing.msf.last_secs, | ||
592 | &cmd.indexing.msf.last_frames); | ||
593 | cmd.volume_type = CD_VOLUME_ALL; | ||
594 | cmd.all_channel_vol = 255; /* This is a uchar. What is a good value? No docu! */ | ||
595 | cmd.out_port_0_sel = CD_AUDIO_CHNL_0; | ||
596 | cmd.out_port_1_sel = CD_AUDIO_CHNL_1; | ||
597 | cmd.out_port_2_sel = CD_AUDIO_CHNL_2; | ||
598 | cmd.out_port_3_sel = CD_AUDIO_CHNL_3; | ||
599 | |||
600 | #ifdef DEBUG_CDROM | ||
601 | fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n", | ||
602 | cmd.indexing.msf.first_mins, | ||
603 | cmd.indexing.msf.first_secs, | ||
604 | cmd.indexing.msf.first_frames, | ||
605 | cmd.indexing.msf.last_mins, | ||
606 | cmd.indexing.msf.last_secs, | ||
607 | cmd.indexing.msf.last_frames); | ||
608 | #endif | ||
609 | return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd)); | ||
610 | } | ||
611 | |||
612 | /* Pause play */ | ||
613 | static int SDL_SYS_CDPause(SDL_CD *cdrom) | ||
614 | { | ||
615 | struct cd_audio_cmd cmd; | ||
616 | cmd.audio_cmds = CD_PAUSE_AUDIO; | ||
617 | return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd)); | ||
618 | } | ||
619 | |||
620 | /* Resume play */ | ||
621 | static int SDL_SYS_CDResume(SDL_CD *cdrom) | ||
622 | { | ||
623 | struct cd_audio_cmd cmd; | ||
624 | cmd.audio_cmds = CD_RESUME_AUDIO; | ||
625 | return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd)); | ||
626 | } | ||
627 | |||
628 | /* Stop play */ | ||
629 | static int SDL_SYS_CDStop(SDL_CD *cdrom) | ||
630 | { | ||
631 | struct cd_audio_cmd cmd; | ||
632 | cmd.audio_cmds = CD_STOP_AUDIO; | ||
633 | return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd)); | ||
634 | } | ||
635 | |||
636 | /* Eject the CD-ROM */ | ||
637 | static int SDL_SYS_CDEject(SDL_CD *cdrom) | ||
638 | { | ||
639 | return(SDL_SYS_CDioctl(cdrom->id, DKEJECT, 0)); | ||
640 | } | ||
641 | |||
642 | /* Close the CD-ROM handle */ | ||
643 | static void SDL_SYS_CDClose(SDL_CD *cdrom) | ||
644 | { | ||
645 | close(cdrom->id); | ||
646 | } | ||
647 | |||
648 | void SDL_SYS_CDQuit(void) | ||
649 | { | ||
650 | int i; | ||
651 | |||
652 | if ( SDL_numcds > 0 ) { | ||
653 | for ( i=0; i<SDL_numcds; ++i ) { | ||
654 | SDL_free(SDL_cdlist[i]); | ||
655 | } | ||
656 | SDL_numcds = 0; | ||
657 | } | ||
658 | } | ||
659 | |||
660 | #endif /* SDL_CDROM_AIX */ | ||