diff options
Diffstat (limited to 'apps/plugins/sdl/src/cdrom/freebsd')
-rw-r--r-- | apps/plugins/sdl/src/cdrom/freebsd/SDL_syscdrom.c | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/apps/plugins/sdl/src/cdrom/freebsd/SDL_syscdrom.c b/apps/plugins/sdl/src/cdrom/freebsd/SDL_syscdrom.c deleted file mode 100644 index 0260c9489f..0000000000 --- a/apps/plugins/sdl/src/cdrom/freebsd/SDL_syscdrom.c +++ /dev/null | |||
@@ -1,406 +0,0 @@ | |||
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 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #ifdef SDL_CDROM_FREEBSD | ||
25 | |||
26 | /* Functions for system-level CD-ROM audio control */ | ||
27 | |||
28 | #include <sys/types.h> | ||
29 | #include <sys/stat.h> | ||
30 | #include <fcntl.h> | ||
31 | #include <errno.h> | ||
32 | #include <unistd.h> | ||
33 | #include <sys/cdio.h> | ||
34 | |||
35 | #include "SDL_cdrom.h" | ||
36 | #include "../SDL_syscdrom.h" | ||
37 | |||
38 | |||
39 | /* The maximum number of CD-ROM drives we'll detect */ | ||
40 | #define MAX_DRIVES 16 | ||
41 | |||
42 | /* A list of available CD-ROM drives */ | ||
43 | static char *SDL_cdlist[MAX_DRIVES]; | ||
44 | static dev_t SDL_cdmode[MAX_DRIVES]; | ||
45 | |||
46 | /* The system-dependent CD control functions */ | ||
47 | static const char *SDL_SYS_CDName(int drive); | ||
48 | static int SDL_SYS_CDOpen(int drive); | ||
49 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | ||
50 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | ||
51 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | ||
52 | static int SDL_SYS_CDPause(SDL_CD *cdrom); | ||
53 | static int SDL_SYS_CDResume(SDL_CD *cdrom); | ||
54 | static int SDL_SYS_CDStop(SDL_CD *cdrom); | ||
55 | static int SDL_SYS_CDEject(SDL_CD *cdrom); | ||
56 | static void SDL_SYS_CDClose(SDL_CD *cdrom); | ||
57 | |||
58 | /* Some ioctl() errno values which occur when the tray is empty */ | ||
59 | #define ERRNO_TRAYEMPTY(errno) \ | ||
60 | ((errno == EIO) || (errno == ENOENT) || (errno == EINVAL)) | ||
61 | |||
62 | /* Check a drive to see if it is a CD-ROM */ | ||
63 | static int CheckDrive(char *drive, struct stat *stbuf) | ||
64 | { | ||
65 | int is_cd, cdfd; | ||
66 | struct ioc_read_subchannel info; | ||
67 | |||
68 | /* If it doesn't exist, return -1 */ | ||
69 | if ( stat(drive, stbuf) < 0 ) { | ||
70 | return(-1); | ||
71 | } | ||
72 | |||
73 | /* If it does exist, verify that it's an available CD-ROM */ | ||
74 | is_cd = 0; | ||
75 | if ( S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode) ) { | ||
76 | cdfd = open(drive, (O_RDONLY|O_EXCL|O_NONBLOCK), 0); | ||
77 | if ( cdfd >= 0 ) { | ||
78 | info.address_format = CD_MSF_FORMAT; | ||
79 | info.data_format = CD_CURRENT_POSITION; | ||
80 | info.data_len = 0; | ||
81 | info.data = NULL; | ||
82 | /* Under Linux, EIO occurs when a disk is not present. | ||
83 | This isn't 100% reliable, so we use the USE_MNTENT | ||
84 | code above instead. | ||
85 | */ | ||
86 | if ( (ioctl(cdfd, CDIOCREADSUBCHANNEL, &info) == 0) || | ||
87 | ERRNO_TRAYEMPTY(errno) ) { | ||
88 | is_cd = 1; | ||
89 | } | ||
90 | close(cdfd); | ||
91 | } | ||
92 | } | ||
93 | return(is_cd); | ||
94 | } | ||
95 | |||
96 | /* Add a CD-ROM drive to our list of valid drives */ | ||
97 | static void AddDrive(char *drive, struct stat *stbuf) | ||
98 | { | ||
99 | int i; | ||
100 | |||
101 | if ( SDL_numcds < MAX_DRIVES ) { | ||
102 | /* Check to make sure it's not already in our list. | ||
103 | This can happen when we see a drive via symbolic link. | ||
104 | */ | ||
105 | for ( i=0; i<SDL_numcds; ++i ) { | ||
106 | if ( stbuf->st_rdev == SDL_cdmode[i] ) { | ||
107 | #ifdef DEBUG_CDROM | ||
108 | fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]); | ||
109 | #endif | ||
110 | return; | ||
111 | } | ||
112 | } | ||
113 | |||
114 | /* Add this drive to our list */ | ||
115 | i = SDL_numcds; | ||
116 | SDL_cdlist[i] = SDL_strdup(drive); | ||
117 | if ( SDL_cdlist[i] == NULL ) { | ||
118 | SDL_OutOfMemory(); | ||
119 | return; | ||
120 | } | ||
121 | SDL_cdmode[i] = stbuf->st_rdev; | ||
122 | ++SDL_numcds; | ||
123 | #ifdef DEBUG_CDROM | ||
124 | fprintf(stderr, "Added CD-ROM drive: %s\n", drive); | ||
125 | #endif | ||
126 | } | ||
127 | } | ||
128 | |||
129 | int SDL_SYS_CDInit(void) | ||
130 | { | ||
131 | /* checklist: /dev/cdrom,/dev/cd?c /dev/acd?c | ||
132 | /dev/matcd?c /dev/mcd?c /dev/scd?c */ | ||
133 | static char *checklist[] = { | ||
134 | "cdrom", "?0 cd?", "?0 acd?", "?0 matcd?", "?0 mcd?", "?0 scd?",NULL | ||
135 | }; | ||
136 | char *SDLcdrom; | ||
137 | int i, j, exists; | ||
138 | char drive[32]; | ||
139 | struct stat stbuf; | ||
140 | |||
141 | /* Fill in our driver capabilities */ | ||
142 | SDL_CDcaps.Name = SDL_SYS_CDName; | ||
143 | SDL_CDcaps.Open = SDL_SYS_CDOpen; | ||
144 | SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | ||
145 | SDL_CDcaps.Status = SDL_SYS_CDStatus; | ||
146 | SDL_CDcaps.Play = SDL_SYS_CDPlay; | ||
147 | SDL_CDcaps.Pause = SDL_SYS_CDPause; | ||
148 | SDL_CDcaps.Resume = SDL_SYS_CDResume; | ||
149 | SDL_CDcaps.Stop = SDL_SYS_CDStop; | ||
150 | SDL_CDcaps.Eject = SDL_SYS_CDEject; | ||
151 | SDL_CDcaps.Close = SDL_SYS_CDClose; | ||
152 | |||
153 | /* Look in the environment for our CD-ROM drive list */ | ||
154 | SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ | ||
155 | if ( SDLcdrom != NULL ) { | ||
156 | char *cdpath, *delim; | ||
157 | size_t len = SDL_strlen(SDLcdrom)+1; | ||
158 | cdpath = SDL_stack_alloc(char, len); | ||
159 | if ( cdpath != NULL ) { | ||
160 | SDL_strlcpy(cdpath, SDLcdrom, len); | ||
161 | SDLcdrom = cdpath; | ||
162 | do { | ||
163 | delim = SDL_strchr(SDLcdrom, ':'); | ||
164 | if ( delim ) { | ||
165 | *delim++ = '\0'; | ||
166 | } | ||
167 | if ( CheckDrive(SDLcdrom, &stbuf) > 0 ) { | ||
168 | AddDrive(SDLcdrom, &stbuf); | ||
169 | } | ||
170 | if ( delim ) { | ||
171 | SDLcdrom = delim; | ||
172 | } else { | ||
173 | SDLcdrom = NULL; | ||
174 | } | ||
175 | } while ( SDLcdrom ); | ||
176 | SDL_stack_free(cdpath); | ||
177 | } | ||
178 | |||
179 | /* If we found our drives, there's nothing left to do */ | ||
180 | if ( SDL_numcds > 0 ) { | ||
181 | return(0); | ||
182 | } | ||
183 | } | ||
184 | |||
185 | /* Scan the system for CD-ROM drives */ | ||
186 | for ( i=0; checklist[i]; ++i ) { | ||
187 | if ( checklist[i][0] == '?' ) { | ||
188 | char *insert; | ||
189 | exists = 1; | ||
190 | for ( j=checklist[i][1]; exists; ++j ) { | ||
191 | SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%sc", &checklist[i][3]); | ||
192 | insert = SDL_strchr(drive, '?'); | ||
193 | if ( insert != NULL ) { | ||
194 | *insert = j; | ||
195 | } | ||
196 | switch (CheckDrive(drive, &stbuf)) { | ||
197 | /* Drive exists and is a CD-ROM */ | ||
198 | case 1: | ||
199 | AddDrive(drive, &stbuf); | ||
200 | break; | ||
201 | /* Drive exists, but isn't a CD-ROM */ | ||
202 | case 0: | ||
203 | break; | ||
204 | /* Drive doesn't exist */ | ||
205 | case -1: | ||
206 | exists = 0; | ||
207 | break; | ||
208 | } | ||
209 | } | ||
210 | } else { | ||
211 | SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", checklist[i]); | ||
212 | if ( CheckDrive(drive, &stbuf) > 0 ) { | ||
213 | AddDrive(drive, &stbuf); | ||
214 | } | ||
215 | } | ||
216 | } | ||
217 | return(0); | ||
218 | } | ||
219 | |||
220 | /* General ioctl() CD-ROM command function */ | ||
221 | static int SDL_SYS_CDioctl(int id, int command, void *arg) | ||
222 | { | ||
223 | int retval; | ||
224 | |||
225 | retval = ioctl(id, command, arg); | ||
226 | if ( retval < 0 ) { | ||
227 | SDL_SetError("ioctl() error: %s", strerror(errno)); | ||
228 | } | ||
229 | return(retval); | ||
230 | } | ||
231 | |||
232 | static const char *SDL_SYS_CDName(int drive) | ||
233 | { | ||
234 | return(SDL_cdlist[drive]); | ||
235 | } | ||
236 | |||
237 | static int SDL_SYS_CDOpen(int drive) | ||
238 | { | ||
239 | return(open(SDL_cdlist[drive], (O_RDONLY|O_EXCL|O_NONBLOCK), 0)); | ||
240 | } | ||
241 | |||
242 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | ||
243 | { | ||
244 | struct ioc_toc_header toc; | ||
245 | int i, okay; | ||
246 | struct ioc_read_toc_entry entry; | ||
247 | struct cd_toc_entry data; | ||
248 | |||
249 | okay = 0; | ||
250 | if ( SDL_SYS_CDioctl(cdrom->id, CDIOREADTOCHEADER, &toc) == 0 ) { | ||
251 | cdrom->numtracks = toc.ending_track-toc.starting_track+1; | ||
252 | if ( cdrom->numtracks > SDL_MAX_TRACKS ) { | ||
253 | cdrom->numtracks = SDL_MAX_TRACKS; | ||
254 | } | ||
255 | /* Read all the track TOC entries */ | ||
256 | for ( i=0; i<=cdrom->numtracks; ++i ) { | ||
257 | if ( i == cdrom->numtracks ) { | ||
258 | cdrom->track[i].id = 0xAA; /* CDROM_LEADOUT */ | ||
259 | } else { | ||
260 | cdrom->track[i].id = toc.starting_track+i; | ||
261 | } | ||
262 | entry.starting_track = cdrom->track[i].id; | ||
263 | entry.address_format = CD_MSF_FORMAT; | ||
264 | entry.data_len = sizeof(data); | ||
265 | entry.data = &data; | ||
266 | if ( SDL_SYS_CDioctl(cdrom->id, CDIOREADTOCENTRYS, | ||
267 | &entry) < 0 ) { | ||
268 | break; | ||
269 | } else { | ||
270 | cdrom->track[i].type = data.control; | ||
271 | cdrom->track[i].offset = MSF_TO_FRAMES( | ||
272 | data.addr.msf.minute, | ||
273 | data.addr.msf.second, | ||
274 | data.addr.msf.frame); | ||
275 | cdrom->track[i].length = 0; | ||
276 | if ( i > 0 ) { | ||
277 | cdrom->track[i-1].length = | ||
278 | cdrom->track[i].offset- | ||
279 | cdrom->track[i-1].offset; | ||
280 | } | ||
281 | } | ||
282 | } | ||
283 | if ( i == (cdrom->numtracks+1) ) { | ||
284 | okay = 1; | ||
285 | } | ||
286 | } | ||
287 | return(okay ? 0 : -1); | ||
288 | } | ||
289 | |||
290 | /* Get CD-ROM status */ | ||
291 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | ||
292 | { | ||
293 | CDstatus status; | ||
294 | struct ioc_toc_header toc; | ||
295 | struct ioc_read_subchannel info; | ||
296 | struct cd_sub_channel_info data; | ||
297 | |||
298 | info.address_format = CD_MSF_FORMAT; | ||
299 | info.data_format = CD_CURRENT_POSITION; | ||
300 | info.track = 0; | ||
301 | info.data_len = sizeof(data); | ||
302 | info.data = &data; | ||
303 | if ( ioctl(cdrom->id, CDIOCREADSUBCHANNEL, &info) < 0 ) { | ||
304 | if ( ERRNO_TRAYEMPTY(errno) ) { | ||
305 | status = CD_TRAYEMPTY; | ||
306 | } else { | ||
307 | status = CD_ERROR; | ||
308 | } | ||
309 | } else { | ||
310 | switch (data.header.audio_status) { | ||
311 | case CD_AS_AUDIO_INVALID: | ||
312 | case CD_AS_NO_STATUS: | ||
313 | /* Try to determine if there's a CD available */ | ||
314 | if (ioctl(cdrom->id,CDIOREADTOCHEADER,&toc)==0) | ||
315 | status = CD_STOPPED; | ||
316 | else | ||
317 | status = CD_TRAYEMPTY; | ||
318 | break; | ||
319 | case CD_AS_PLAY_COMPLETED: | ||
320 | status = CD_STOPPED; | ||
321 | break; | ||
322 | case CD_AS_PLAY_IN_PROGRESS: | ||
323 | status = CD_PLAYING; | ||
324 | break; | ||
325 | case CD_AS_PLAY_PAUSED: | ||
326 | status = CD_PAUSED; | ||
327 | break; | ||
328 | default: | ||
329 | status = CD_ERROR; | ||
330 | break; | ||
331 | } | ||
332 | } | ||
333 | if ( position ) { | ||
334 | if ( status == CD_PLAYING || (status == CD_PAUSED) ) { | ||
335 | *position = MSF_TO_FRAMES( | ||
336 | data.what.position.absaddr.msf.minute, | ||
337 | data.what.position.absaddr.msf.second, | ||
338 | data.what.position.absaddr.msf.frame); | ||
339 | } else { | ||
340 | *position = 0; | ||
341 | } | ||
342 | } | ||
343 | return(status); | ||
344 | } | ||
345 | |||
346 | /* Start play */ | ||
347 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | ||
348 | { | ||
349 | struct ioc_play_msf playtime; | ||
350 | |||
351 | FRAMES_TO_MSF(start, | ||
352 | &playtime.start_m, &playtime.start_s, &playtime.start_f); | ||
353 | FRAMES_TO_MSF(start+length, | ||
354 | &playtime.end_m, &playtime.end_s, &playtime.end_f); | ||
355 | #ifdef DEBUG_CDROM | ||
356 | fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n", | ||
357 | playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0, | ||
358 | playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1); | ||
359 | #endif | ||
360 | ioctl(cdrom->id, CDIOCSTART, 0); | ||
361 | return(SDL_SYS_CDioctl(cdrom->id, CDIOCPLAYMSF, &playtime)); | ||
362 | } | ||
363 | |||
364 | /* Pause play */ | ||
365 | static int SDL_SYS_CDPause(SDL_CD *cdrom) | ||
366 | { | ||
367 | return(SDL_SYS_CDioctl(cdrom->id, CDIOCPAUSE, 0)); | ||
368 | } | ||
369 | |||
370 | /* Resume play */ | ||
371 | static int SDL_SYS_CDResume(SDL_CD *cdrom) | ||
372 | { | ||
373 | return(SDL_SYS_CDioctl(cdrom->id, CDIOCRESUME, 0)); | ||
374 | } | ||
375 | |||
376 | /* Stop play */ | ||
377 | static int SDL_SYS_CDStop(SDL_CD *cdrom) | ||
378 | { | ||
379 | return(SDL_SYS_CDioctl(cdrom->id, CDIOCSTOP, 0)); | ||
380 | } | ||
381 | |||
382 | /* Eject the CD-ROM */ | ||
383 | static int SDL_SYS_CDEject(SDL_CD *cdrom) | ||
384 | { | ||
385 | return(SDL_SYS_CDioctl(cdrom->id, CDIOCEJECT, 0)); | ||
386 | } | ||
387 | |||
388 | /* Close the CD-ROM handle */ | ||
389 | static void SDL_SYS_CDClose(SDL_CD *cdrom) | ||
390 | { | ||
391 | close(cdrom->id); | ||
392 | } | ||
393 | |||
394 | void SDL_SYS_CDQuit(void) | ||
395 | { | ||
396 | int i; | ||
397 | |||
398 | if ( SDL_numcds > 0 ) { | ||
399 | for ( i=0; i<SDL_numcds; ++i ) { | ||
400 | SDL_free(SDL_cdlist[i]); | ||
401 | } | ||
402 | SDL_numcds = 0; | ||
403 | } | ||
404 | } | ||
405 | |||
406 | #endif /* SDL_CDROM_FREEBSD */ | ||