1 /*****************************************************************************
2  * cdda.c : CD digital audio input module for vlc
3  *****************************************************************************
4  * Copyright (C) 2000, 2003-2006, 2008-2009 VLC authors and VideoLAN
5  * $Id: 6f7ae19cc5f29fc0ba5793c8d2c297537bc4c4c6 $
6  *
7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8  *          Gildas Bazin <gbazin@netcourrier.com>
9  *
10  * This program is free software; you can redistribute it and/or modify it
11  * under the terms of the GNU Lesser General Public License as published by
12  * the Free Software Foundation; either version 2.1 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public License
21  * along with this program; if not, write to the Free Software Foundation,
22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24 
25 /**
26  * Todo:
27  *   - Improve CDDB support (non-blocking, ...)
28  *   - Fix tracknumber in MRL
29  */
30 
31 /*****************************************************************************
32  * Preamble
33  *****************************************************************************/
34 
35 #ifdef HAVE_CONFIG_H
36 # include "config.h"
37 #endif
38 
39 #include <assert.h>
40 #include <math.h>
41 #include <stdlib.h>
42 #include <string.h>
43 
44 #include <vlc_common.h>
45 #include <vlc_demux.h>
46 #include <vlc_plugin.h>
47 #include <vlc_input.h>
48 #include <vlc_access.h>
49 #include <vlc_meta.h>
50 #include <vlc_charset.h> /* ToLocaleDup */
51 #include <vlc_url.h>
52 
53 #include "disc_helper.h"
54 #include "vcd/cdrom.h"  /* For CDDA_DATA_SIZE */
55 
56 
57 #ifdef HAVE_LIBCDDB
58  #include <cddb/cddb.h>
59  #include <errno.h>
60 #endif
61 
DiscOpen(vlc_object_t * obj,const char * location,const char * path,unsigned * restrict trackp)62 static vcddev_t *DiscOpen(vlc_object_t *obj, const char *location,
63                          const char *path, unsigned *restrict trackp)
64 {
65     char *devpath;
66 
67     *trackp = var_InheritInteger(obj, "cdda-track");
68 
69     if (path != NULL)
70         devpath = ToLocaleDup(path);
71     else if (location[0] != '\0')
72     {
73 #if (DIR_SEP_CHAR == '/')
74         char *dec = vlc_uri_decode_duplicate(location);
75         if (dec == NULL)
76             return NULL;
77 
78         /* GNOME CDDA syntax */
79         const char *sl = strrchr(dec, '/');
80         if (sl != NULL)
81         {
82             if (sscanf(sl, "/Track %2u", trackp) == 1)
83                 dec[sl - dec] = '\0';
84             else
85                 *trackp = 0;
86         }
87 
88         if (unlikely(asprintf(&devpath, "/dev/%s", dec) == -1))
89             devpath = NULL;
90         free(dec);
91 #else
92         (void) location;
93         return NULL;
94 #endif
95     }
96     else
97         devpath = var_InheritString(obj, "cd-audio");
98 
99     if (devpath == NULL)
100         return NULL;
101 
102 #if defined (_WIN32) || defined (__OS2__)
103     /* Trim backslash after drive letter */
104     if (devpath[0] != '\0' && !strcmp(&devpath[1], ":" DIR_SEP))
105         devpath[2] = '\0';
106 #endif
107 
108     if (DiscProbeMacOSPermission(obj, devpath) != VLC_SUCCESS) {
109         free(devpath);
110         return NULL;
111     }
112 
113     /* Open CDDA */
114     vcddev_t *dev = ioctl_Open(obj, devpath);
115     if (dev == NULL)
116         msg_Warn(obj, "cannot open disc %s", devpath);
117     free(devpath);
118 
119     return dev;
120 }
121 
122 /* how many blocks Demux() will read in each iteration */
123 #define CDDA_BLOCKS_ONCE 20
124 
125 struct demux_sys_t
126 {
127     vcddev_t    *vcddev;                            /* vcd device descriptor */
128     es_out_id_t *es;
129     date_t       pts;
130 
131     unsigned start; /**< Track first sector */
132     unsigned length; /**< Track total sectors */
133     unsigned position; /**< Current offset within track sectors */
134 };
135 
Demux(demux_t * demux)136 static int Demux(demux_t *demux)
137 {
138     demux_sys_t *sys = demux->p_sys;
139     unsigned count = CDDA_BLOCKS_ONCE;
140 
141     if (sys->position >= sys->length)
142         return VLC_DEMUXER_EOF;
143 
144     if (sys->position + count >= sys->length)
145         count = sys->length - sys->position;
146 
147     block_t *block = block_Alloc(count * CDDA_DATA_SIZE);
148     if (unlikely(block == NULL))
149         return VLC_DEMUXER_EOF;
150 
151     if (ioctl_ReadSectors(VLC_OBJECT(demux), sys->vcddev,
152                           sys->start + sys->position,
153                           block->p_buffer, count, CDDA_TYPE) < 0)
154     {
155         msg_Err(demux, "cannot read sector %u", sys->position);
156         block_Release(block);
157 
158         /* Skip potentially bad sector */
159         sys->position++;
160         return VLC_DEMUXER_SUCCESS;
161     }
162 
163     sys->position += count;
164 
165     block->i_nb_samples = block->i_buffer / 4;
166     block->i_dts = block->i_pts = VLC_TS_0 + date_Get(&sys->pts);
167     date_Increment(&sys->pts, block->i_nb_samples);
168 
169     es_out_Send(demux->out, sys->es, block);
170     es_out_SetPCR(demux->out, VLC_TS_0 + date_Get(&sys->pts));
171     return VLC_DEMUXER_SUCCESS;
172 }
173 
DemuxControl(demux_t * demux,int query,va_list args)174 static int DemuxControl(demux_t *demux, int query, va_list args)
175 {
176     demux_sys_t *sys = demux->p_sys;
177 
178     /* One sector is 40000/3 µs */
179     static_assert (CDDA_DATA_SIZE * CLOCK_FREQ * 3 ==
180                    4 * 44100 * INT64_C(40000), "Wrong time/sector ratio");
181 
182     switch (query)
183     {
184         case DEMUX_CAN_SEEK:
185         case DEMUX_CAN_PAUSE:
186         case DEMUX_CAN_CONTROL_PACE:
187             *va_arg(args, bool*) = true;
188             break;
189         case DEMUX_GET_PTS_DELAY:
190             *va_arg(args, int64_t *) =
191                 INT64_C(1000) * var_InheritInteger(demux, "disc-caching");
192             break;
193 
194         case DEMUX_SET_PAUSE_STATE:
195             break;
196 
197         case DEMUX_GET_POSITION:
198             *va_arg(args, double *) = (double)(sys->position)
199                                       / (double)(sys->length);
200             break;
201 
202         case DEMUX_SET_POSITION:
203             sys->position = lround(va_arg(args, double) * sys->length);
204             break;
205 
206         case DEMUX_GET_LENGTH:
207             *va_arg(args, mtime_t *) = (INT64_C(40000) * sys->length) / 3;
208             break;
209         case DEMUX_GET_TIME:
210             *va_arg(args, mtime_t *) = (INT64_C(40000) * sys->position) / 3;
211             break;
212         case DEMUX_SET_TIME:
213             sys->position = (va_arg(args, mtime_t) * 3) / INT64_C(40000);
214             break;
215 
216         default:
217             return VLC_EGENERIC;
218     }
219     return VLC_SUCCESS;
220 }
221 
DemuxOpen(vlc_object_t * obj)222 static int DemuxOpen(vlc_object_t *obj)
223 {
224     demux_t *demux = (demux_t *)obj;
225     unsigned track;
226 
227     vcddev_t *dev = DiscOpen(obj, demux->psz_location, demux->psz_file,
228                              &track);
229     if (dev == NULL)
230         return VLC_EGENERIC;
231 
232     if (track == 0 /* Whole disc -> use access plugin */)
233         goto error;
234 
235     demux_sys_t *sys = vlc_obj_malloc(obj, sizeof (*sys));
236     if (unlikely(sys == NULL))
237         goto error;
238 
239     demux->p_sys = sys;
240     sys->vcddev = dev;
241     sys->start = var_InheritInteger(obj, "cdda-first-sector");
242     sys->length = var_InheritInteger(obj, "cdda-last-sector") - sys->start;
243 
244     /* Track number in input item */
245     if (sys->start == (unsigned)-1 || sys->length == (unsigned)-1)
246     {
247         int *sectors = NULL; /* Track sectors */
248         unsigned titles = ioctl_GetTracksMap(obj, dev, &sectors);
249 
250         if (track > titles)
251         {
252             msg_Err(obj, "invalid track number: %u/%u", track, titles);
253             free(sectors);
254             goto error;
255         }
256 
257         sys->start = sectors[track - 1];
258         sys->length = sectors[track] - sys->start;
259         free(sectors);
260     }
261 
262     es_format_t fmt;
263 
264     es_format_Init(&fmt, AUDIO_ES, VLC_CODEC_S16L);
265     fmt.audio.i_rate = 44100;
266     fmt.audio.i_channels = 2;
267     sys->es = es_out_Add(demux->out, &fmt);
268 
269     date_Init(&sys->pts, 44100, 1);
270     date_Set(&sys->pts, 0);
271 
272     sys->position = 0;
273     demux->pf_demux = Demux;
274     demux->pf_control = DemuxControl;
275     return VLC_SUCCESS;
276 
277 error:
278     ioctl_Close(obj, dev);
279     return VLC_EGENERIC;
280 }
281 
DemuxClose(vlc_object_t * obj)282 static void DemuxClose(vlc_object_t *obj)
283 {
284     demux_t *demux = (demux_t *)obj;
285     demux_sys_t *sys = demux->p_sys;
286 
287     ioctl_Close(obj, sys->vcddev);
288 }
289 
290 /*****************************************************************************
291  * Access: local prototypes
292  *****************************************************************************/
293 struct access_sys_t
294 {
295     vcddev_t    *vcddev;                            /* vcd device descriptor */
296     int         *p_sectors;                                 /* Track sectors */
297     int          titles;
298     int          cdtextc;
299     vlc_meta_t **cdtextv;
300 #ifdef HAVE_LIBCDDB
301     cddb_disc_t *cddb;
302 #endif
303 };
304 
305 #ifdef HAVE_LIBCDDB
GetCDDBInfo(vlc_object_t * obj,int i_titles,int * p_sectors)306 static cddb_disc_t *GetCDDBInfo( vlc_object_t *obj, int i_titles, int *p_sectors )
307 {
308     if( !var_InheritBool( obj, "metadata-network-access" ) )
309     {
310         msg_Dbg( obj, "album art policy set to manual: not fetching" );
311         return NULL;
312     }
313 
314     /* */
315     cddb_conn_t *p_cddb = cddb_new();
316     if( !p_cddb )
317     {
318         msg_Warn( obj, "unable to use CDDB" );
319         return NULL;
320     }
321 
322     /* */
323 
324     cddb_http_enable( p_cddb );
325 
326     char *psz_tmp = var_InheritString( obj, "cddb-server" );
327     if( psz_tmp )
328     {
329         cddb_set_server_name( p_cddb, psz_tmp );
330         free( psz_tmp );
331     }
332 
333     cddb_set_server_port( p_cddb, var_InheritInteger( obj, "cddb-port" ) );
334 
335     cddb_set_email_address( p_cddb, "vlc@videolan.org" );
336 
337     cddb_set_http_path_query( p_cddb, "/~cddb/cddb.cgi" );
338     cddb_set_http_path_submit( p_cddb, "/~cddb/submit.cgi" );
339 
340 
341     char *psz_cachedir;
342     char *psz_temp = config_GetUserDir( VLC_CACHE_DIR );
343 
344     if( asprintf( &psz_cachedir, "%s" DIR_SEP "cddb", psz_temp ) > 0 ) {
345         cddb_cache_enable( p_cddb );
346         cddb_cache_set_dir( p_cddb, psz_cachedir );
347         free( psz_cachedir );
348     }
349     free( psz_temp );
350 
351     cddb_set_timeout( p_cddb, 10 );
352 
353     /* */
354     cddb_disc_t *p_disc = cddb_disc_new();
355     if( !p_disc )
356     {
357         msg_Err( obj, "unable to create CDDB disc structure." );
358         goto error;
359     }
360 
361     int64_t i_length = 2000000; /* PreGap */
362     for( int i = 0; i < i_titles; i++ )
363     {
364         cddb_track_t *t = cddb_track_new();
365         cddb_track_set_frame_offset( t, p_sectors[i] + 150 );  /* Pregap offset */
366 
367         cddb_disc_add_track( p_disc, t );
368         const int64_t i_size = ( p_sectors[i+1] - p_sectors[i] ) *
369                                (int64_t)CDDA_DATA_SIZE;
370         i_length += INT64_C(1000000) * i_size / 44100 / 4  ;
371 
372         msg_Dbg( obj, "Track %i offset: %i", i, p_sectors[i] + 150 );
373     }
374 
375     msg_Dbg( obj, "Total length: %i", (int)(i_length/1000000) );
376     cddb_disc_set_length( p_disc, (int)(i_length/1000000) );
377 
378     if( !cddb_disc_calc_discid( p_disc ) )
379     {
380         msg_Err( obj, "CDDB disc ID calculation failed" );
381         goto error;
382     }
383 
384     const int i_matches = cddb_query( p_cddb, p_disc );
385     if( i_matches < 0 )
386     {
387         msg_Warn( obj, "CDDB error: %s", cddb_error_str(errno) );
388         goto error;
389     }
390     else if( i_matches == 0 )
391     {
392         msg_Dbg( obj, "Couldn't find any matches in CDDB." );
393         goto error;
394     }
395     else if( i_matches > 1 )
396         msg_Warn( obj, "found %d matches in CDDB. Using first one.", i_matches );
397 
398     cddb_read( p_cddb, p_disc );
399 
400     cddb_destroy( p_cddb);
401     return p_disc;
402 
403 error:
404     if( p_disc )
405         cddb_disc_destroy( p_disc );
406     cddb_destroy( p_cddb );
407     return NULL;
408 }
409 #endif /* HAVE_LIBCDDB */
410 
AccessGetMeta(stream_t * access,vlc_meta_t * meta)411 static void AccessGetMeta(stream_t *access, vlc_meta_t *meta)
412 {
413     access_sys_t *sys = access->p_sys;
414 
415     vlc_meta_SetTitle(meta, "Audio CD");
416 
417     /* Retrieve CD-TEXT information */
418     if (sys->cdtextc > 0 && sys->cdtextv[0] != NULL)
419         vlc_meta_Merge(meta, sys->cdtextv[0]);
420 
421 /* Return true if the given string is not NULL and not empty */
422 #define NONEMPTY( psz ) ( (psz) && *(psz) )
423 /* If the given string is NULL or empty, fill it by the return value of 'code' */
424 #define ON_EMPTY( psz, code ) do { if( !NONEMPTY( psz) ) { (psz) = code; } } while(0)
425 
426     /* Retrieve CDDB information (preferred over CD-TEXT) */
427 #ifdef HAVE_LIBCDDB
428     if (sys->cddb != NULL)
429     {
430         const char *str = cddb_disc_get_title(sys->cddb);
431         if (NONEMPTY(str))
432             vlc_meta_SetTitle(meta, str);
433 
434         str = cddb_disc_get_genre(sys->cddb);
435         if (NONEMPTY(str))
436             vlc_meta_SetGenre(meta, str);
437 
438         const unsigned year = cddb_disc_get_year(sys->cddb);
439         if (year != 0)
440         {
441             char yearbuf[5];
442 
443             snprintf(yearbuf, sizeof (yearbuf), "%u", year);
444             vlc_meta_SetDate(meta, yearbuf);
445         }
446 
447         /* Set artist only if identical across tracks */
448         str = cddb_disc_get_artist(sys->cddb);
449         if (NONEMPTY(str))
450         {
451             for (int i = 0; i < sys->titles; i++)
452             {
453                 cddb_track_t *t = cddb_disc_get_track(sys->cddb, i);
454                 if (t == NULL)
455                     continue;
456 
457                 const char *track_artist = cddb_track_get_artist(t);
458                 if (NONEMPTY(track_artist))
459                 {
460                     if (str == NULL)
461                         str = track_artist;
462                     else
463                     if (strcmp(str, track_artist))
464                     {
465                         str = NULL;
466                         break;
467                     }
468                 }
469             }
470         }
471     }
472 #endif
473 }
474 
ReadDir(stream_t * access,input_item_node_t * node)475 static int ReadDir(stream_t *access, input_item_node_t *node)
476 {
477     access_sys_t *sys = access->p_sys;
478 
479     /* Build title table */
480     for (int i = 0; i < sys->titles; i++)
481     {
482         msg_Dbg(access, "track[%d] start=%d", i, sys->p_sectors[i]);
483 
484         /* Initial/default name */
485         char *name;
486 
487         if (unlikely(asprintf(&name, _("Audio CD - Track %02i"), i + 1) == -1))
488             name = NULL;
489 
490         /* Create playlist items */
491         const mtime_t duration =
492             (mtime_t)(sys->p_sectors[i + 1] - sys->p_sectors[i])
493             * CDDA_DATA_SIZE * CLOCK_FREQ / 44100 / 2 / 2;
494 
495         input_item_t *item = input_item_NewDisc(access->psz_url,
496                                                 (name != NULL) ? name :
497                                                 access->psz_url, duration);
498         free(name);
499 
500         if (unlikely(item == NULL))
501             continue;
502 
503         char *opt;
504         if (likely(asprintf(&opt, "cdda-track=%i", i + 1) != -1))
505         {
506             input_item_AddOption(item, opt, VLC_INPUT_OPTION_TRUSTED);
507             free(opt);
508         }
509 
510         if (likely(asprintf(&opt, "cdda-first-sector=%i",
511                             sys->p_sectors[i]) != -1))
512         {
513             input_item_AddOption(item, opt, VLC_INPUT_OPTION_TRUSTED);
514             free(opt);
515         }
516 
517         if (likely(asprintf(&opt, "cdda-last-sector=%i",
518                             sys->p_sectors[i + 1]) != -1))
519         {
520             input_item_AddOption(item, opt, VLC_INPUT_OPTION_TRUSTED);
521             free(opt);
522         }
523 
524         const char *title = NULL;
525         const char *artist = NULL;
526         const char *album = NULL;
527         const char *genre = NULL;
528         const char *description = NULL;
529         int year = 0;
530 
531 #ifdef HAVE_LIBCDDB
532         if (sys->cddb != NULL)
533         {
534             cddb_track_t *t = cddb_disc_get_track(sys->cddb, i);
535             if (t != NULL)
536             {
537                 title = cddb_track_get_title(t);
538                 artist = cddb_track_get_artist(t);
539             }
540 
541             ON_EMPTY(artist, cddb_disc_get_artist(sys->cddb));
542             album = cddb_disc_get_title(sys->cddb);
543             genre = cddb_disc_get_genre(sys->cddb);
544             year = cddb_disc_get_year(sys->cddb);
545         }
546 #endif
547         const vlc_meta_t *m;
548 
549         if (sys->cdtextc > 0 && (m = sys->cdtextv[0]) != NULL)
550         {
551             ON_EMPTY(artist, vlc_meta_Get(m, vlc_meta_Artist));
552             ON_EMPTY(album,  vlc_meta_Get(m, vlc_meta_Album));
553             ON_EMPTY(genre,  vlc_meta_Get(m, vlc_meta_Genre));
554             description =    vlc_meta_Get(m, vlc_meta_Description);
555         }
556 
557         if (i + 1 < sys->cdtextc && (m = sys->cdtextv[i + 1]) != NULL)
558         {
559             ON_EMPTY(title,       vlc_meta_Get(m, vlc_meta_Title));
560             ON_EMPTY(artist,      vlc_meta_Get(m, vlc_meta_Artist));
561             ON_EMPTY(genre,       vlc_meta_Get(m, vlc_meta_Genre));
562             ON_EMPTY(description, vlc_meta_Get(m, vlc_meta_Description));
563         }
564 
565         if (NONEMPTY(title))
566         {
567             input_item_SetName(item, title);
568             input_item_SetTitle(item, title);
569         }
570 
571         if (NONEMPTY(artist))
572             input_item_SetArtist(item, artist);
573 
574         if (NONEMPTY(genre))
575             input_item_SetGenre(item, genre);
576 
577         if (NONEMPTY(description))
578             input_item_SetDescription(item, description);
579 
580         if (NONEMPTY(album))
581             input_item_SetAlbum(item, album);
582 
583         if (year != 0)
584         {
585             char yearbuf[5];
586 
587             snprintf(yearbuf, sizeof (yearbuf), "%u", year);
588             input_item_SetDate(item, yearbuf);
589         }
590 
591         char num[4];
592         snprintf(num, sizeof (num), "%d", i + 1);
593         input_item_SetTrackNum(item, num);
594 
595         input_item_node_AppendItem(node, item);
596         input_item_Release(item);
597     }
598 #undef ON_EMPTY
599 #undef NONEMPTY
600     return VLC_SUCCESS;
601 }
602 
AccessControl(stream_t * access,int query,va_list args)603 static int AccessControl(stream_t *access, int query, va_list args)
604 {
605     if (query == STREAM_GET_META)
606     {
607         AccessGetMeta(access, va_arg(args, vlc_meta_t *));
608         return VLC_SUCCESS;
609     }
610     return access_vaDirectoryControlHelper(access, query, args);
611 }
612 
AccessOpen(vlc_object_t * obj)613 static int AccessOpen(vlc_object_t *obj)
614 {
615     stream_t *access = (stream_t *)obj;
616     unsigned track;
617 
618     vcddev_t *dev = DiscOpen(obj, access->psz_location, access->psz_filepath,
619                              &track);
620     if (dev == NULL)
621         return VLC_EGENERIC;
622 
623     if (track != 0 /* Only whole discs here */)
624     {
625         ioctl_Close(obj, dev);
626         return VLC_EGENERIC;
627     }
628 
629     access_sys_t *sys = vlc_obj_malloc(obj, sizeof (*sys));
630     if (unlikely(sys == NULL))
631     {
632         ioctl_Close(obj, dev);
633         return VLC_ENOMEM;
634     }
635 
636     sys->vcddev = dev;
637     sys->p_sectors = NULL;
638 
639     sys->titles = ioctl_GetTracksMap(obj, dev, &sys->p_sectors);
640     if (sys->titles < 0)
641     {
642         msg_Err(obj, "cannot count tracks");
643         goto error;
644     }
645 
646     if (sys->titles == 0)
647     {
648         msg_Err(obj, "no audio tracks found");
649         goto error;
650     }
651 
652 #ifdef HAVE_LIBCDDB
653     msg_Dbg(obj, "retrieving metadata with CDDB");
654 
655     sys->cddb = GetCDDBInfo(obj, sys->titles, sys->p_sectors);
656     if (sys->cddb != NULL)
657         msg_Dbg(obj, "disc ID: 0x%08x", cddb_disc_get_discid(sys->cddb));
658     else
659         msg_Dbg(obj, "CDDB failure");
660 #endif
661 
662     if (ioctl_GetCdText(obj, dev, &sys->cdtextv, &sys->cdtextc))
663     {
664         msg_Dbg(obj, "CD-TEXT information missing");
665         sys->cdtextv = NULL;
666         sys->cdtextc = 0;
667     }
668 
669     access->p_sys = sys;
670     access->pf_read = NULL;
671     access->pf_block = NULL;
672     access->pf_readdir = ReadDir;
673     access->pf_seek = NULL;
674     access->pf_control = AccessControl;
675     return VLC_SUCCESS;
676 
677 error:
678     free(sys->p_sectors);
679     ioctl_Close(obj, dev);
680     return VLC_EGENERIC;
681 }
682 
AccessClose(vlc_object_t * obj)683 static void AccessClose(vlc_object_t *obj)
684 {
685     stream_t *access = (stream_t *)obj;
686     access_sys_t *sys = access->p_sys;
687 
688     for (int i = 0; i < sys->cdtextc; i++)
689     {
690         vlc_meta_t *meta = sys->cdtextv[i];
691         if (meta != NULL)
692             vlc_meta_Delete(meta);
693     }
694     free(sys->cdtextv);
695 
696 #ifdef HAVE_LIBCDDB
697     if (sys->cddb != NULL)
698         cddb_disc_destroy(sys->cddb);
699 #endif
700 
701     free(sys->p_sectors);
702     ioctl_Close(obj, sys->vcddev);
703 }
704 
705 /*****************************************************************************
706  * Module descriptior
707  *****************************************************************************/
708 #define CDAUDIO_DEV_TEXT N_("Audio CD device")
709 #if defined( _WIN32 ) || defined( __OS2__ )
710 # define CDAUDIO_DEV_LONGTEXT N_( \
711     "This is the default Audio CD drive (or file) to use. Don't forget the " \
712     "colon after the drive letter (e.g. D:)")
713 # define CD_DEVICE      "D:"
714 #else
715 # define CDAUDIO_DEV_LONGTEXT N_( \
716     "This is the default Audio CD device to use." )
717 # if defined(__OpenBSD__)
718 #  define CD_DEVICE      "/dev/cd0c"
719 # elif defined(__linux__)
720 #  define CD_DEVICE      "/dev/sr0"
721 # else
722 #  define CD_DEVICE      "/dev/cdrom"
723 # endif
724 #endif
725 
726 vlc_module_begin ()
727     set_shortname( N_("Audio CD") )
728     set_description( N_("Audio CD input") )
729     set_capability( "access", 10 )
730     set_category( CAT_INPUT )
731     set_subcategory( SUBCAT_INPUT_ACCESS )
732     set_callbacks(AccessOpen, AccessClose)
733 
734     add_loadfile( "cd-audio", CD_DEVICE, CDAUDIO_DEV_TEXT,
735                   CDAUDIO_DEV_LONGTEXT, false )
736 
737     add_usage_hint( N_("[cdda:][device][@[track]]") )
738     add_integer( "cdda-track", 0 , NULL, NULL, true )
739         change_volatile ()
740     add_integer( "cdda-first-sector", -1, NULL, NULL, true )
741         change_volatile ()
742     add_integer( "cdda-last-sector", -1, NULL, NULL, true )
743         change_volatile ()
744 
745 #ifdef HAVE_LIBCDDB
746     add_string( "cddb-server", "freedb.videolan.org", N_( "CDDB Server" ),
747             N_( "Address of the CDDB server to use." ), true )
748     add_integer( "cddb-port", 80, N_( "CDDB port" ),
749             N_( "CDDB Server port to use." ), true )
750         change_integer_range( 1, 65535 )
751 #endif
752 
753     add_shortcut( "cdda", "cddasimple" )
754 
755     add_submodule()
756     set_capability( "access_demux", 10 )
757     set_callbacks(DemuxOpen, DemuxClose)
758 vlc_module_end ()
759