1 /*****************************************************************************
2 * vcd.c : VCD input module for vlc using libcdio, libvcd and libvcdinfo.
3 * vlc-specific things tend to go here.
4 *****************************************************************************
5 * Copyright (C) 2000, 2003, 2004, 2005 the VideoLAN team
8 * Authors: Rocky Bernstein <rocky@panix.com>
9 * Some code is based on the non-libcdio VCD plugin (as there really
10 * isn't real developer documentation yet on how to write a
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
26 *****************************************************************************/
28 /*****************************************************************************
30 *****************************************************************************/
36 #include <vlc_common.h>
37 #include <vlc_interface.h>
38 #include <vlc_input.h>
39 #include <vlc_access.h>
40 #include <vlc_charset.h>
43 #include <cdio/cdio.h>
44 #include <cdio/cd_types.h>
45 #include <cdio/logging.h>
46 #include <cdio/util.h>
47 #include <libvcd/info.h>
48 #include <libvcd/logging.h>
53 extern void VCDSetOrigin( access_t *p_access, lsn_t i_lsn, track_t i_track,
54 const vcdinfo_itemid_t *p_itemid );
56 /*****************************************************************************
58 *****************************************************************************/
60 /* First those which are accessed from outside (via pointers). */
61 static block_t *VCDReadBlock ( access_t * );
63 static int VCDControl ( access_t *p_access, int i_query,
66 /* Now those which are strictly internal */
67 static bool VCDEntryPoints ( access_t * );
68 static bool VCDLIDs ( access_t * );
69 static bool VCDSegments ( access_t * );
70 static int VCDTitles ( access_t * );
71 static char *VCDParse ( access_t *,
72 /*out*/ vcdinfo_itemid_t * p_itemid ,
73 /*out*/ bool *play_single_item );
75 static void VCDUpdateVar( access_t *p_access, int i_entry, int i_action,
76 const char *p_varname, char *p_label,
77 const char *p_debug_label );
79 static vcdinfo_obj_t *vcd_Open ( vlc_object_t *p_this, const char *psz_dev );
81 /****************************************************************************
83 ****************************************************************************/
85 /* FIXME: This variable is a hack. Would be nice to eliminate the
88 static access_t *p_vcd_access = NULL;
90 /* process messages that originate from libcdio. */
92 cdio_log_handler (cdio_log_level_t level, const char message[])
94 const vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_vcd_access->p_sys;
98 if (p_vcdplayer->i_debug & INPUT_DBG_CDIO)
99 msg_Dbg( p_vcd_access, "%s", message);
102 msg_Warn( p_vcd_access, "%s", message);
105 case CDIO_LOG_ASSERT:
106 msg_Err( p_vcd_access, "%s", message);
109 msg_Warn( p_vcd_access, "%s\n%s %d", message,
110 _("The above message had unknown log level"),
116 /* process messages that originate from vcdinfo. */
118 vcd_log_handler (vcd_log_level_t level, const char message[])
120 vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_vcd_access->p_sys;
124 if (p_vcdplayer->i_debug & INPUT_DBG_VCDINFO)
125 msg_Dbg( p_vcd_access, "%s", message);
128 msg_Warn( p_vcd_access, "%s", message);
132 msg_Err( p_vcd_access, "%s", message);
135 msg_Warn( p_vcd_access, "%s\n%s %d", message,
136 _("The above message had unknown vcdimager log level"),
142 /*****************************************************************************
143 VCDRead: reads VCD_BLOCKS_ONCE from the VCD and returns that.
144 NULL is returned if something went wrong.
145 *****************************************************************************/
147 VCDReadBlock( access_t * p_access )
149 vcdplayer_t *p_vcdplayer= (vcdplayer_t *)p_access->p_sys;
150 const int i_blocks = p_vcdplayer->i_blocks_per_read;
157 dbg_print( (INPUT_DBG_LSN), "lsn: %lu",
158 (long unsigned int) p_vcdplayer->i_lsn );
160 /* Allocate a block for the reading */
161 if( !( p_block = block_New( p_access, i_blocks * M2F2_SECTOR_SIZE ) ) )
163 msg_Err( p_access, "cannot get a new block of size: %i",
164 i_blocks * M2F2_SECTOR_SIZE );
165 block_Release( p_block );
169 p_buf = (uint8_t *) p_block->p_buffer;
170 for ( i_read = 0 ; i_read < i_blocks ; i_read++ )
172 vcdplayer_read_status_t read_status = vcdplayer_read(p_access, p_buf);
174 p_access->info.i_pos += M2F2_SECTOR_SIZE;
176 switch ( read_status ) {
178 /* End reached. Return NULL to indicated this. */
179 /* We also set the postion to the end so the higher level
180 (demux?) doesn't try to keep reading. If everything works out
181 right this shouldn't have to happen.
184 if ( p_access->info.i_pos != p_access->info.i_size ) {
186 "At end but pos (%llu) is not size (%llu). Adjusting.",
187 p_access->info.i_pos, p_access->info.i_size );
188 p_access->info.i_pos = p_access->info.i_size;
192 block_Release( p_block );
196 /* Some sort of error. Should we increment lsn? to skip block?
198 block_Release( p_block );
200 case READ_STILL_FRAME:
202 /* FIXME The below should be done in an event thread.
206 msleep( MILLISECONDS_PER_SEC * *p_buf );
207 VCDSetOrigin(p_access, p_vcdplayer->origin_lsn, p_vcdplayer->i_track,
208 &(p_vcdplayer->play_item));
209 // p_vcd->in_still = false;
210 dbg_print(INPUT_DBG_STILL, "still wait time done");
212 vcdIntfStillTime(p_vcdplayer->p_intf, *p_buf);
215 block_Release( p_block );
225 p_buf += M2F2_SECTOR_SIZE;
226 /* Update seekpoint */
227 if ( VCDINFO_ITEM_TYPE_ENTRY == p_vcdplayer->play_item.type )
229 unsigned int i_entry = p_vcdplayer->play_item.num+1;
230 lsn_t i_lsn = vcdinfo_get_entry_lsn(p_vcdplayer->vcd, i_entry);
231 if ( p_vcdplayer->i_lsn >= i_lsn && i_lsn != VCDINFO_NULL_LSN )
233 const track_t i_track = p_vcdplayer->i_track;
235 dbg_print( (INPUT_DBG_LSN|INPUT_DBG_PBC),
236 "entry change to %d, current LSN %u >= end %u",
237 i_entry, p_vcdplayer->i_lsn, i_lsn);
239 p_vcdplayer->play_item.num = i_entry;
241 VCDSetOrigin( p_access, i_lsn, i_track,
242 &(p_vcdplayer->play_item) );
251 /****************************************************************************
253 ****************************************************************************/
255 VCDSeek( access_t * p_access, int64_t i_pos )
257 if (!p_access || !p_access->p_sys) return VLC_EGENERIC;
260 vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_vcd_access->p_sys;
261 const input_title_t *t = p_vcdplayer->p_title[p_access->info.i_title];
262 unsigned int i_entry = VCDINFO_INVALID_ENTRY;
265 /* Next sector to read */
266 p_access->info.i_pos = i_pos;
267 p_vcdplayer->i_lsn = (i_pos / (int64_t) M2F2_SECTOR_SIZE) +
268 p_vcdplayer->origin_lsn;
270 switch (p_vcdplayer->play_item.type) {
271 case VCDINFO_ITEM_TYPE_TRACK:
272 case VCDINFO_ITEM_TYPE_ENTRY:
275 p_vcdplayer->b_valid_ep = false;
279 if( p_vcdplayer->b_valid_ep )
281 for( i_entry = 0 ; i_entry < p_vcdplayer->i_entries ; i_entry ++ )
283 if( p_vcdplayer->i_lsn < p_vcdplayer->p_entries[i_entry] )
285 VCDUpdateVar( p_access, i_entry, VLC_VAR_SETVALUE,
286 "chapter", _("Entry"), "Setting entry" );
292 vcdinfo_itemid_t itemid;
293 itemid.num = i_entry;
294 itemid.type = VCDINFO_ITEM_TYPE_ENTRY;
295 VCDSetOrigin(p_access, p_vcdplayer->i_lsn, p_vcdplayer->i_track,
300 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_SEEK),
301 "orig %lu, cur: %lu, offset: %lld, entry %d",
302 (long unsigned int) p_vcdplayer->origin_lsn,
303 (long unsigned int) p_vcdplayer->i_lsn, i_pos,
307 for( i_seekpoint = 0; i_seekpoint < t->i_seekpoint; i_seekpoint++ )
309 if( i_seekpoint + 1 >= t->i_seekpoint ) break;
310 if( i_pos < t->seekpoint[i_seekpoint + 1]->i_byte_offset ) break;
313 /* Update current seekpoint */
314 if( i_seekpoint != p_access->info.i_seekpoint )
316 dbg_print( (INPUT_DBG_SEEK), "seekpoint change %lu",
317 (long unsigned int) i_seekpoint );
318 p_access->info.i_update |= INPUT_UPDATE_SEEKPOINT;
319 p_access->info.i_seekpoint = i_seekpoint;
323 p_access->info.b_eof = false;
328 /*****************************************************************************
329 VCDEntryPoints: Reads the information about the entry points on the disc
330 and initializes area information with that.
331 Before calling this track information should have been read in.
332 *****************************************************************************/
334 VCDEntryPoints( access_t * p_access )
336 if (!p_access || !p_access->p_sys) return false;
339 vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
340 const unsigned int i_entries =
341 vcdinfo_get_num_entries(p_vcdplayer->vcd);
342 const track_t i_last_track
343 = cdio_get_num_tracks(vcdinfo_get_cd_image(p_vcdplayer->vcd))
344 + cdio_get_first_track_num(vcdinfo_get_cd_image(p_vcdplayer->vcd));
347 if (0 == i_entries) {
348 LOG_ERR ("no entires found -- something is wrong" );
352 p_vcdplayer->p_entries = malloc( sizeof( lsn_t ) * i_entries );
354 if( p_vcdplayer->p_entries == NULL )
356 LOG_ERR ("not enough memory for entry points treatment" );
360 p_vcdplayer->i_entries = i_entries;
362 for( i = 0 ; i < i_entries ; i++ )
364 const track_t i_track = vcdinfo_get_track(p_vcdplayer->vcd, i);
365 if( i_track <= i_last_track ) {
366 seekpoint_t *s = vlc_seekpoint_New();
369 snprintf(psz_entry, sizeof(psz_entry), "%s %02d", _("Entry"), i );
371 p_vcdplayer->p_entries[i] = vcdinfo_get_entry_lsn(p_vcdplayer->vcd, i);
373 s->psz_name = strdup(psz_entry);
375 (p_vcdplayer->p_entries[i] - vcdinfo_get_track_lsn(p_vcdplayer->vcd, i_track))
378 dbg_print( INPUT_DBG_MRL,
379 "%s, lsn %d, byte_offset %ld",
380 s->psz_name, p_vcdplayer->p_entries[i],
381 (unsigned long int) s->i_byte_offset);
382 TAB_APPEND( p_vcdplayer->p_title[i_track-1]->i_seekpoint,
383 p_vcdplayer->p_title[i_track-1]->seekpoint, s );
386 msg_Warn( p_access, "wrong track number found in entry points" );
388 p_vcdplayer->b_valid_ep = true;
393 /*****************************************************************************
394 * VCDSegments: Reads the information about the segments the disc.
395 *****************************************************************************/
397 VCDSegments( access_t * p_access )
399 vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
403 p_vcdplayer->i_segments = vcdinfo_get_num_segments(p_vcdplayer->vcd);
405 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_MRL),
406 "Segments: %d", p_vcdplayer->i_segments);
408 if ( 0 == p_vcdplayer->i_segments ) return false;
410 t = p_vcdplayer->p_title[p_vcdplayer->i_titles] = vlc_input_title_New();
411 p_vcdplayer->i_titles++;
413 t->i_size = 0; /* Not sure Segments have a size associated */
414 t->psz_name = strdup(_("Segments"));
416 /* We have one additional segment allocated so we can get the size
417 by subtracting seg[i+1] - seg[i].
419 p_vcdplayer->p_segments =
420 malloc( sizeof( lsn_t ) * (p_vcdplayer->i_segments+1) );
421 if( p_vcdplayer->p_segments == NULL )
423 LOG_ERR ("not enough memory for segment treatment" );
427 for( i = 0 ; i < p_vcdplayer->i_segments ; i++ )
429 char psz_segment[100];
430 seekpoint_t *s = vlc_seekpoint_New();
431 p_vcdplayer->p_segments[i] = vcdinfo_get_seg_lsn(p_vcdplayer->vcd, i);
433 snprintf( psz_segment, sizeof(psz_segment), "%s %02d", _("Segment"),
436 s->i_byte_offset = 0; /* Not sure what this would mean here */
437 s->psz_name = strdup(psz_segment);
438 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
441 p_vcdplayer->p_segments[p_vcdplayer->i_segments] =
442 p_vcdplayer->p_segments[p_vcdplayer->i_segments-1]+
443 vcdinfo_get_seg_sector_count(p_vcdplayer->vcd,
444 p_vcdplayer->i_segments-1);
449 /*****************************************************************************
450 Build title table which will be returned via ACCESS_GET_TITLE_INFO.
452 We start area addressing for tracks at 1 since the default area 0
453 is reserved for segments.
454 *****************************************************************************/
456 VCDTitles( access_t * p_access )
458 /* We'll assume a VCD has its first MPEG track
459 cdio_get_first_track_num()+1 could be used if one wanted to be
460 very careful about this. Note: cdio_get_first_track() will give the
461 ISO-9660 track before the MPEG tracks.
464 if (!p_access || !p_access->p_sys) return VLC_EGENERIC;
467 vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
470 p_vcdplayer->i_titles = 0;
471 for( i = 1 ; i <= p_vcdplayer->i_tracks ; i++ )
473 input_title_t *t = p_vcdplayer->p_title[i-1] =
474 vlc_input_title_New();
477 snprintf( psz_track, sizeof(psz_track), "%s %02d", _("Track"),
479 t->i_size = (int64_t) vcdinfo_get_track_size( p_vcdplayer->vcd,
481 * M2F2_SECTOR_SIZE / CDIO_CD_FRAMESIZE ;
482 t->psz_name = strdup(psz_track);
484 dbg_print( INPUT_DBG_MRL, "track[%d] i_size: %lld", i, t->i_size );
486 p_vcdplayer->i_titles++;
493 /*****************************************************************************
494 VCDLIDs: Reads the LIST IDs from the LOT.
495 *****************************************************************************/
497 VCDLIDs( access_t * p_access )
499 vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
501 unsigned int i_lid, i_title;
503 p_vcdplayer->i_lids = vcdinfo_get_num_LIDs(p_vcdplayer->vcd);
504 p_vcdplayer->i_lid = VCDINFO_INVALID_ENTRY;
506 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_MRL),
507 "LIDs: %d", p_vcdplayer->i_lids);
509 if ( 0 == p_vcdplayer->i_lids ) return false;
511 if (vcdinfo_read_psd (p_vcdplayer->vcd)) {
513 vcdinfo_visit_lot (p_vcdplayer->vcd, false);
517 We need to change libvcdinfo to be more robust when there are
518 problems reading the extended PSD. Given that area-highlighting and
519 selection features in the extended PSD haven't been implemented,
520 it's best then to not try to read this at all.
522 if (vcdinfo_get_psd_x_size(p_vcdplayer->vcd))
523 vcdinfo_visit_lot (p_vcdplayer->vcd, true);
527 /* Set up LIDs Navigation Menu */
528 t = vlc_input_title_New();
530 t->psz_name = strdup( "LIDs" );
532 i_title = p_vcdplayer->i_tracks;
533 for( i_lid = 1 ; i_lid <= p_vcdplayer->i_lids ; i_lid++ )
536 seekpoint_t *s = vlc_seekpoint_New();
538 snprintf( psz_lid, sizeof(psz_lid), "%s %02d", _("LID"),
541 s->i_byte_offset = 0; /* A lid doesn't have an offset
542 size associated with it */
543 s->psz_name = strdup(psz_lid);
544 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
547 #if DYNAMICALLY_ALLOCATED
548 TAB_APPEND( p_vcdplayer->i_titles, p_vcdplayer->p_title, t );
550 p_vcdplayer->p_title[p_vcdplayer->i_titles] = t;
551 p_vcdplayer->i_titles++;
557 /*****************************************************************************
558 * VCDParse: parse command line
559 *****************************************************************************/
561 VCDParse( access_t * p_access, /*out*/ vcdinfo_itemid_t * p_itemid,
562 /*out*/ bool *play_single_item )
564 vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_access->p_sys;
569 if( config_GetInt( p_access, MODULE_STRING "-PBC" ) ) {
570 p_itemid->type = VCDINFO_ITEM_TYPE_LID;
572 *play_single_item = false;
576 p_itemid->type = VCDINFO_ITEM_TYPE_ENTRY;
581 /* On Win32 we want the VCD access plugin to be explicitly requested,
582 * we end up with lots of problems otherwise */
583 if( !p_access->psz_access || !*p_access->psz_access ) return NULL;
586 if( !p_access->psz_path )
591 psz_parser = psz_source = strdup( p_access->psz_path );
593 /* Parse input string :
594 * [device][@[type][title]] */
595 while( *psz_parser && *psz_parser != '@' )
600 if( *psz_parser == '@' )
602 /* Found the divide between the source name and the
603 type+entry number. */
610 switch(*psz_parser) {
612 p_itemid->type = VCDINFO_ITEM_TYPE_ENTRY;
614 *play_single_item = true;
617 p_itemid->type = VCDINFO_ITEM_TYPE_LID;
619 *play_single_item = false;
622 p_itemid->type = VCDINFO_ITEM_TYPE_SEGMENT;
624 *play_single_item = true;
627 p_itemid->type = VCDINFO_ITEM_TYPE_TRACK;
629 *play_single_item = true;
635 num = strtol( psz_parser, &psz_next, 10 );
636 if ( *psz_parser != '\0' && *psz_next == '\0')
642 *play_single_item = ( VCDINFO_ITEM_TYPE_LID == p_itemid->type );
648 /* No source specified, so figure it out. */
649 if( !p_access->psz_access ) return NULL;
651 psz_source = config_GetPsz( p_access, "vcd" );
653 if( !psz_source || 0==strlen(psz_source) ) {
655 /* Scan for a CD-ROM drive with a VCD in it. */
656 char **cd_drives = cdio_get_devices_with_cap( NULL,
657 ( CDIO_FS_ANAL_SVCD | CDIO_FS_ANAL_CVD
658 |CDIO_FS_ANAL_VIDEOCD | CDIO_FS_UNKNOWN ),
660 if( NULL == cd_drives ) return NULL;
661 if( cd_drives[0] == NULL )
663 cdio_free_device_list( cd_drives );
666 psz_source = strdup( cd_drives[0] );
667 cdio_free_device_list( cd_drives );
671 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_MRL),
672 "source=%s entry=%d type=%d",
673 psz_source, p_itemid->num, p_itemid->type);
679 Sets start origin for subsequent seeks/reads
682 VCDSetOrigin( access_t *p_access, lsn_t i_lsn, track_t i_track,
683 const vcdinfo_itemid_t *p_itemid )
685 vcdplayer_t *p_vcdplayer= (vcdplayer_t *)p_access->p_sys;
687 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_LSN),
688 "i_lsn: %lu, track: %d", (long unsigned int) i_lsn,
691 vcdplayer_set_origin(p_access, i_lsn, i_track, p_itemid);
693 switch (p_vcdplayer->play_item.type) {
694 case VCDINFO_ITEM_TYPE_ENTRY:
695 VCDUpdateVar( p_access, p_itemid->num, VLC_VAR_SETVALUE,
696 "chapter", _("Entry"), "Setting entry/segment");
697 p_access->info.i_title = i_track-1;
698 if (p_vcdplayer->b_track_length)
700 p_access->info.i_size = p_vcdplayer->p_title[i_track-1]->i_size;
701 p_access->info.i_pos = (int64_t) M2F2_SECTOR_SIZE *
702 (vcdinfo_get_track_lsn(p_vcdplayer->vcd, i_track) - i_lsn) ;
704 p_access->info.i_size = M2F2_SECTOR_SIZE * (int64_t)
705 vcdinfo_get_entry_sect_count(p_vcdplayer->vcd, p_itemid->num);
706 p_access->info.i_pos = 0;
708 dbg_print( (INPUT_DBG_LSN|INPUT_DBG_PBC), "size: %llu, pos: %llu",
709 p_access->info.i_size, p_access->info.i_pos );
710 p_access->info.i_seekpoint = p_itemid->num;
713 case VCDINFO_ITEM_TYPE_SEGMENT:
714 VCDUpdateVar( p_access, p_itemid->num, VLC_VAR_SETVALUE,
715 "chapter", _("Segment"), "Setting entry/segment");
716 /* The last title entry is the for segments (when segments exist
717 and they must here. The segment seekpoints are stored after
718 the entry seekpoints and (zeroed) lid seekpoints.
720 p_access->info.i_title = p_vcdplayer->i_titles - 1;
721 p_access->info.i_size = 0; /* No seeking on stills, please. */
722 p_access->info.i_pos = 0;
723 p_access->info.i_seekpoint = p_vcdplayer->i_entries
724 + p_vcdplayer->i_lids + p_itemid->num;
727 case VCDINFO_ITEM_TYPE_TRACK:
728 p_access->info.i_title = i_track-1;
729 p_access->info.i_size = p_vcdplayer->p_title[i_track-1]->i_size;
730 p_access->info.i_pos = 0;
731 p_access->info.i_seekpoint = vcdinfo_track_get_entry(p_vcdplayer->vcd,
736 msg_Warn( p_access, "can't set origin for play type %d",
737 p_vcdplayer->play_item.type );
740 p_access->info.i_update = INPUT_UPDATE_TITLE|INPUT_UPDATE_SIZE
741 | INPUT_UPDATE_SEEKPOINT;
743 VCDUpdateTitle( p_access );
747 /*****************************************************************************
748 * vcd_Open: Opens a VCD device or file initializes, a list of
749 tracks, segements and entry lsns and sizes and returns an opaque handle.
750 *****************************************************************************/
751 static vcdinfo_obj_t *
752 vcd_Open( vlc_object_t *p_this, const char *psz_dev )
754 access_t *p_access = (access_t *)p_this;
755 vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
756 vcdinfo_obj_t *p_vcdobj;
760 dbg_print(INPUT_DBG_CALL, "called with %s", psz_dev);
762 if( !psz_dev ) return NULL;
764 actual_dev= ToLocaleDup(psz_dev);
765 if ( vcdinfo_open(&p_vcdobj, &actual_dev, DRIVER_UNKNOWN, NULL) !=
773 Save summary info on tracks, segments and entries...
776 if ( 0 < (p_vcdplayer->i_tracks = vcdinfo_get_num_tracks(p_vcdobj)) ) {
777 p_vcdplayer->track = (vcdplayer_play_item_info_t *)
778 calloc(p_vcdplayer->i_tracks, sizeof(vcdplayer_play_item_info_t));
780 for (i=0; i<p_vcdplayer->i_tracks; i++) {
781 unsigned int track_num=i+1;
782 p_vcdplayer->track[i].size =
783 vcdinfo_get_track_sect_count(p_vcdobj, track_num);
784 p_vcdplayer->track[i].start_LSN =
785 vcdinfo_get_track_lsn(p_vcdobj, track_num);
788 p_vcdplayer->track = NULL;
790 if ( 0 < (p_vcdplayer->i_entries = vcdinfo_get_num_entries(p_vcdobj)) ) {
791 p_vcdplayer->entry = (vcdplayer_play_item_info_t *)
792 calloc(p_vcdplayer->i_entries, sizeof(vcdplayer_play_item_info_t));
794 for (i=0; i<p_vcdplayer->i_entries; i++) {
795 p_vcdplayer->entry[i].size =
796 vcdinfo_get_entry_sect_count(p_vcdobj, i);
797 p_vcdplayer->entry[i].start_LSN = vcdinfo_get_entry_lsn(p_vcdobj, i);
800 p_vcdplayer->entry = NULL;
802 if ( 0 < (p_vcdplayer->i_segments = vcdinfo_get_num_segments(p_vcdobj)) ) {
803 p_vcdplayer->segment = (vcdplayer_play_item_info_t *)
804 calloc(p_vcdplayer->i_segments, sizeof(vcdplayer_play_item_info_t));
806 for (i=0; i<p_vcdplayer->i_segments; i++) {
807 p_vcdplayer->segment[i].size =
808 vcdinfo_get_seg_sector_count(p_vcdobj, i);
809 p_vcdplayer->segment[i].start_LSN = vcdinfo_get_seg_lsn(p_vcdobj, i);
812 p_vcdplayer->segment = NULL;
817 /****************************************************************************
818 Update the "varname" variable to i_num without triggering a callback.
819 ****************************************************************************/
821 VCDUpdateVar( access_t *p_access, int i_num, int i_action,
822 const char *p_varname, char *p_label,
823 const char *p_debug_label)
828 const vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_vcd_access->p_sys;
829 dbg_print( INPUT_DBG_PBC, "%s %d", p_debug_label, i_num );
833 text.psz_string = p_label;
834 var_Change( p_access, p_varname, VLC_VAR_SETTEXT, &text, NULL );
836 var_Change( p_access, p_varname, i_action, &val, NULL );
840 /*****************************************************************************
842 *****************************************************************************/
844 /*****************************************************************************
846 read in meta-information about VCD: the number of tracks, segments,
847 entries, size and starting information. Then set up state variables so
848 that we read/seek starting at the location specified.
850 On success we return VLC_SUCCESS, on memory exhausted VLC_ENOMEM,
851 and VLC_EGENERIC for some other error.
852 *****************************************************************************/
854 VCDOpen ( vlc_object_t *p_this )
856 access_t *p_access = (access_t *)p_this;
857 vcdplayer_t *p_vcdplayer;
859 vcdinfo_itemid_t itemid;
860 bool play_single_item = false;
862 p_access->pf_read = NULL;
863 p_access->pf_block = VCDReadBlock;
864 p_access->pf_control = VCDControl;
865 p_access->pf_seek = VCDSeek;
867 p_access->info.i_update = 0;
868 p_access->info.i_size = 0;
869 p_access->info.i_pos = 0;
870 p_access->info.b_eof = false;
871 p_access->info.i_title = 0;
872 p_access->info.i_seekpoint = 0;
874 p_vcdplayer = malloc( sizeof(vcdplayer_t) );
876 if( p_vcdplayer == NULL )
879 p_vcdplayer->i_debug = config_GetInt( p_this, MODULE_STRING "-debug" );
880 p_access->p_sys = (access_sys_t *) p_vcdplayer;
882 /* Set where to log errors messages from libcdio. */
883 p_vcd_access = p_access;
884 cdio_log_set_handler ( cdio_log_handler );
885 vcd_log_set_handler ( vcd_log_handler );
887 psz_source = VCDParse( p_access, &itemid, &play_single_item );
889 if ( NULL == psz_source )
892 return( VLC_EGENERIC );
895 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "source: %s: mrl: %s",
896 psz_source, p_access->psz_path );
898 p_vcdplayer->psz_source = strdup(psz_source);
899 p_vcdplayer->i_blocks_per_read = config_GetInt( p_this, MODULE_STRING
900 "-blocks-per-read" );
901 p_vcdplayer->b_track_length = config_GetInt( p_this, MODULE_STRING
903 p_vcdplayer->in_still = false;
904 p_vcdplayer->play_item.type = VCDINFO_ITEM_TYPE_NOTFOUND;
905 p_vcdplayer->p_input = vlc_object_find( p_access,
908 // p_vcdplayer->p_meta = vlc_meta_New();
909 p_vcdplayer->p_segments = NULL;
910 p_vcdplayer->p_entries = NULL;
914 if( !(p_vcdplayer->vcd = vcd_Open( p_this, psz_source )) )
919 p_vcdplayer->b_svd= (bool) vcdinfo_get_tracksSVD(p_vcdplayer->vcd);;
921 /* Get track information. */
922 p_vcdplayer->i_tracks = vcdinfo_get_num_tracks(p_vcdplayer->vcd);
924 if( p_vcdplayer->i_tracks < 1 || CDIO_INVALID_TRACK == p_vcdplayer->i_tracks ) {
925 vcdinfo_close( p_vcdplayer->vcd );
926 LOG_ERR ("no movie tracks found" );
930 /* Build Navigation Title table for the tracks. */
931 VCDTitles( p_access );
933 /* Add into the above entry points as "Chapters". */
934 if( ! VCDEntryPoints( p_access ) )
936 msg_Warn( p_access, "could not read entry points, will not use them" );
937 p_vcdplayer->b_valid_ep = false;
940 /* Initialize LID info and add that as a menu item */
941 if( ! VCDLIDs( p_access ) )
943 msg_Warn( p_access, "could not read entry LIDs" );
946 /* Do we set PBC (via LID) on? */
948 ( VCDINFO_ITEM_TYPE_LID == itemid.type
949 && p_vcdplayer->i_lids > itemid.num )
951 : VCDINFO_INVALID_ENTRY;
953 /* Initialize segment information and add that a "Track". */
954 VCDSegments( p_access );
956 vcdplayer_play( p_access, itemid );
958 free( p_access->psz_demux );
959 p_access->psz_demux = strdup( "ps" );
962 if (play_single_item)
963 VCDFixupPlayList( p_access, p_vcd, psz_source, &itemid,
968 p_vcdplayer->p_intf = intf_Create( p_access, "vcdx" );
969 p_vcdplayer->p_intf->b_block = false;
971 p_vcdplayer->p_access = p_access;
974 intf_RunThread( p_vcdplayer->p_intf );
981 if( p_vcdplayer->p_input ) vlc_object_release( p_vcdplayer->p_input );
987 /*****************************************************************************
988 * VCDClose: closes VCD releasing allocated memory.
989 *****************************************************************************/
991 VCDClose ( vlc_object_t *p_this )
993 access_t *p_access = (access_t *)p_this;
994 vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_access->p_sys;
996 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "VCDClose" );
1000 for (i=0 ; i<p_vcdplayer->i_titles; i++)
1001 if (p_vcdplayer->p_title[i])
1002 free(p_vcdplayer->p_title[i]->psz_name);
1005 vcdinfo_close( p_vcdplayer->vcd );
1007 if( p_vcdplayer->p_input ) vlc_object_release( p_vcdplayer->p_input );
1009 FREENULL( p_vcdplayer->p_entries );
1010 FREENULL( p_vcdplayer->p_segments );
1011 FREENULL( p_vcdplayer->psz_source );
1012 FREENULL( p_vcdplayer->track );
1013 FREENULL( p_vcdplayer->segment );
1014 FREENULL( p_vcdplayer->entry );
1015 FREENULL( p_access->psz_demux );
1016 FREENULL( p_vcdplayer );
1017 p_vcd_access = NULL;
1020 /*****************************************************************************
1021 * Control: The front-end or vlc engine calls here to ether get
1022 * information such as meta information or plugin capabilities or to
1023 * issue miscellaneous "set" requests.
1024 *****************************************************************************/
1025 static int VCDControl( access_t *p_access, int i_query, va_list args )
1027 vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_access->p_sys;
1031 dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_EVENT),
1032 "query %d", i_query );
1036 /* Pass back a copy of meta information that was gathered when we
1037 during the Open/Initialize call.
1039 case ACCESS_GET_META:
1041 vlc_meta_t **pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1043 dbg_print( INPUT_DBG_EVENT, "get meta info" );
1045 if( p_vcdplayer->p_meta )
1047 *pp_meta = vlc_meta_Duplicate( p_vcdplayer->p_meta );
1048 dbg_print( INPUT_DBG_META, "%s", "Meta copied" );
1052 msg_Warn( p_access, "tried to copy NULL meta info" );
1056 return VLC_EGENERIC;
1058 case ACCESS_CAN_SEEK:
1059 case ACCESS_CAN_FASTSEEK:
1060 case ACCESS_CAN_PAUSE:
1061 case ACCESS_CAN_CONTROL_PACE:
1063 bool *pb_bool = (bool*)va_arg( args, bool* );
1065 dbg_print( INPUT_DBG_EVENT,
1066 "seek/fastseek/pause/can_control_pace" );
1073 case ACCESS_GET_MTU:
1074 pi_int = (int*)va_arg( args, int * );
1075 *pi_int = (p_vcdplayer->i_blocks_per_read * M2F2_SECTOR_SIZE);
1076 dbg_print( INPUT_DBG_EVENT, "GET MTU: %d", *pi_int );
1079 case ACCESS_GET_PTS_DELAY:
1081 int64_t *pi_64 = (int64_t*)va_arg( args, int64_t * );
1082 *pi_64 = var_GetInteger( p_access, MODULE_STRING "-caching" )
1083 * MILLISECONDS_PER_SEC;
1084 dbg_print( INPUT_DBG_EVENT, "GET PTS DELAY" );
1090 case ACCESS_SET_PAUSE_STATE:
1091 dbg_print( INPUT_DBG_EVENT, "SET PAUSE STATE" );
1095 case ACCESS_GET_TITLE_INFO:
1097 unsigned int psz_mrl_max = strlen(VCD_MRL_PREFIX)
1098 + strlen(p_vcdplayer->psz_source) + sizeof("@E999")+3;
1099 input_title_t ***ppp_title
1100 = (input_title_t***)va_arg( args, input_title_t*** );
1101 char *psz_mrl = malloc( psz_mrl_max );
1104 pi_int = (int*)va_arg( args, int* );
1106 dbg_print( INPUT_DBG_EVENT, "GET TITLE: i_titles %d",
1107 p_vcdplayer->i_titles );
1111 snprintf(psz_mrl, psz_mrl_max, "%s%s",
1112 VCD_MRL_PREFIX, p_vcdplayer->psz_source);
1113 VCDMetaInfo( p_access, psz_mrl );
1117 /* Duplicate title info */
1118 if( p_vcdplayer->i_titles == 0 )
1120 *pi_int = 0; ppp_title = NULL;
1123 *pi_int = p_vcdplayer->i_titles;
1124 *ppp_title = malloc( sizeof( input_title_t **)
1125 * p_vcdplayer->i_titles );
1127 if (!*ppp_title) return VLC_ENOMEM;
1129 for( i = 0; i < p_vcdplayer->i_titles; i++ )
1131 if ( p_vcdplayer->p_title[i] )
1133 vlc_input_title_Duplicate( p_vcdplayer->p_title[i] );
1138 case ACCESS_SET_TITLE:
1139 i = (int)va_arg( args, int );
1141 dbg_print( INPUT_DBG_EVENT, "set title %d" , i);
1142 if( i != p_access->info.i_title )
1144 vcdinfo_itemid_t itemid;
1145 track_t i_track = i+1;
1146 unsigned int i_entry =
1147 vcdinfo_track_get_entry( p_vcdplayer->vcd, i_track);
1149 if( i < p_vcdplayer->i_tracks )
1151 /* FIXME! For now we are assuming titles are only
1152 tracks and that track == title+1 */
1153 itemid.num = i_track;
1154 itemid.type = VCDINFO_ITEM_TYPE_TRACK;
1158 /* FIXME! i_tracks+2 are Segments, but we need to
1159 be able to figure out which segment of that.
1160 i_tracks+1 is either Segments (if no LIDs) or
1161 LIDs otherwise. Again need a way to get the LID
1164 "Trying to set track (%u) beyond end of last track (%u).",
1165 i+1, p_vcdplayer->i_tracks );
1166 return VLC_EGENERIC;
1169 VCDSetOrigin(p_access,
1170 vcdinfo_get_entry_lsn(p_vcdplayer->vcd, i_entry),
1175 case ACCESS_SET_SEEKPOINT:
1177 input_title_t *t = p_vcdplayer->p_title[p_access->info.i_title];
1178 unsigned int i = (unsigned int)va_arg( args, unsigned int );
1180 dbg_print( INPUT_DBG_EVENT, "set seekpoint %d", i );
1181 if( t->i_seekpoint > 0 )
1183 track_t i_track = p_access->info.i_title+1;
1186 /* FIXME! For now we are assuming titles are only
1187 tracks and that track == title+1 and we the play
1188 item is entries (not tracks or lids).
1189 We need to generalize all of this.
1192 if (i < p_vcdplayer->i_entries)
1194 p_vcdplayer->play_item.num = i;
1195 p_vcdplayer->play_item.type = VCDINFO_ITEM_TYPE_ENTRY;
1196 lsn = vcdinfo_get_entry_lsn(p_vcdplayer->vcd, i);
1197 } else if ( i < p_vcdplayer->i_entries + p_vcdplayer->i_lids )
1199 p_vcdplayer->play_item.num = i
1200 = i - p_vcdplayer->i_entries;
1201 p_vcdplayer->play_item.type = VCDINFO_ITEM_TYPE_LID;
1205 p_vcdplayer->play_item.num = i
1206 = i - p_vcdplayer->i_entries - p_vcdplayer->i_lids;
1207 p_vcdplayer->play_item.type = VCDINFO_ITEM_TYPE_SEGMENT;
1208 lsn = vcdinfo_get_seg_lsn(p_vcdplayer->vcd, i);
1211 VCDSetOrigin( p_access,
1212 vcdinfo_get_entry_lsn(p_vcdplayer->vcd, i),
1213 i_track, &(p_vcdplayer->play_item) );
1218 case ACCESS_SET_PRIVATE_ID_STATE:
1219 dbg_print( INPUT_DBG_EVENT, "set private id" );
1220 return VLC_EGENERIC;
1223 msg_Warn( p_access, "unimplemented query in control" );
1224 return VLC_EGENERIC;