1 /*****************************************************************************
2 * cdda.c : CD digital audio input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2000, 2003 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@netcourrier.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
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 General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
31 #include <vlc/input.h>
34 #include "vcd/cdrom.h"
36 #include <vlc_playlist.h>
39 #include <cddb/cddb.h>
46 /*****************************************************************************
48 *****************************************************************************/
49 static int Open ( vlc_object_t * );
50 static void Close( vlc_object_t * );
52 #define CACHING_TEXT N_("Caching value in ms")
53 #define CACHING_LONGTEXT N_( \
54 "Default caching value for Audio CDs. This " \
55 "value should be set in milliseconds." )
58 set_shortname( _("Audio CD"));
59 set_description( _("Audio CD input") );
60 set_capability( "access2", 10 );
61 set_category( CAT_INPUT );
62 set_subcategory( SUBCAT_INPUT_ACCESS );
63 set_callbacks( Open, Close );
65 add_usage_hint( N_("[cdda:][device][@[track]]") );
66 add_integer( "cdda-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
67 CACHING_LONGTEXT, VLC_TRUE );
68 add_bool( "cdda-separate-tracks", VLC_TRUE, NULL, NULL, NULL, VLC_TRUE );
70 add_integer( "cdda-track", -1 , NULL, NULL, NULL, VLC_TRUE );
72 add_string( "cddb-server", "freedb.freedb.org", NULL,
73 N_( "CDDB Server" ), N_( "Address of the CDDB server to use." ),
75 add_integer( "cddb-port", 8880, NULL,
76 N_( "CDDB port" ), N_( "CDDB Server port to use." ),
78 add_shortcut( "cdda" );
79 add_shortcut( "cddasimple" );
83 /* how many blocks VCDRead will read in each loop */
84 #define CDDA_BLOCKS_ONCE 20
85 #define CDDA_DATA_ONCE (CDDA_BLOCKS_ONCE * CDDA_DATA_SIZE)
87 /*****************************************************************************
88 * Access: local prototypes
89 *****************************************************************************/
92 vcddev_t *vcddev; /* vcd device descriptor */
96 input_title_t *title[99]; /* No more that 99 track in a cd-audio */
98 /* Current position */
99 int i_sector; /* Current Sector */
100 int * p_sectors; /* Track sectors */
102 /* Wave header for the output data */
103 WAVEHEADER waveheader;
106 vlc_bool_t b_separate_items;
107 vlc_bool_t b_single_track;
115 static block_t *Block( access_t * );
116 static int Seek( access_t *, int64_t );
117 static int Control( access_t *, int, va_list );
119 static int GetTracks( access_t *p_access, vlc_bool_t b_separate,
120 playlist_t *p_playlist, playlist_item_t *p_parent );
123 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
126 /*****************************************************************************
128 *****************************************************************************/
129 static int Open( vlc_object_t *p_this )
131 access_t *p_access = (access_t*)p_this;
137 vlc_bool_t b_separate_requested;
138 vlc_bool_t b_play = VLC_FALSE;
139 input_thread_t *p_input;
140 playlist_item_t *p_item = NULL;
141 playlist_t *p_playlist = NULL;
145 if( !p_access->psz_path || !*p_access->psz_path )
147 /* Only when selected */
148 if( !p_this->b_force ) return VLC_EGENERIC;
150 psz_name = var_CreateGetString( p_this, "cd-audio" );
151 if( !psz_name || !*psz_name )
153 if( psz_name ) free( psz_name );
157 else psz_name = strdup( p_access->psz_path );
160 if( psz_name[0] && psz_name[1] == ':' &&
161 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
165 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
167 msg_Warn( p_access, "could not open %s", psz_name );
173 /* Set up p_access */
174 p_access->pf_read = NULL;
175 p_access->pf_block = Block;
176 p_access->pf_control = Control;
177 p_access->pf_seek = Seek;
178 p_access->info.i_update = 0;
179 p_access->info.i_size = 0;
180 p_access->info.i_pos = 0;
181 p_access->info.b_eof = VLC_FALSE;
182 p_access->info.i_title = 0;
183 p_access->info.i_seekpoint = 0;
184 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
185 memset( p_sys, 0, sizeof( access_sys_t ) );
186 p_sys->vcddev = vcddev;
187 p_sys->b_separate_items = VLC_FALSE;
188 p_sys->b_single_track = VLC_FALSE;
189 p_sys->b_header = VLC_FALSE;
191 b_separate_requested = var_CreateGetBool( p_access,
192 "cdda-separate-tracks" );
194 /* We only do separate items if the whole disc is requested -
195 * Dirty hack we access some private data ! */
196 p_input = (input_thread_t *)( p_access->p_parent );
197 /* Do we play a single track ? */
198 i_track = var_CreateGetInteger( p_access, "cdda-track" );
199 if( b_separate_requested && p_input->input.i_title_start == -1 &&
202 p_sys->b_separate_items = VLC_TRUE;
206 p_sys->b_single_track = VLC_TRUE;
207 p_sys->i_track = i_track - 1;
210 msg_Dbg( p_access, "separate items : %i - single track : %i",
211 p_sys->b_separate_items, p_sys->b_single_track );
213 if( p_sys->b_separate_items )
215 p_playlist = (playlist_t *) vlc_object_find( p_access,
216 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
218 if( !p_playlist ) return VLC_EGENERIC;
220 /* Let's check if we need to play */
221 if( p_playlist->status.p_item->p_input ==
222 ((input_thread_t *)p_access->p_parent)->input.p_item )
224 p_item = p_playlist->status.p_item;
226 msg_Dbg( p_access, "starting Audio CD playback");
230 input_item_t *p_current = ( (input_thread_t*)p_access->p_parent)->
232 p_item = playlist_LockItemGetByInput( p_playlist, p_current );
233 msg_Dbg( p_access, "not starting Audio CD playback");
237 msg_Dbg( p_playlist, "unable to find item in playlist");
244 /* We read the Table Of Content information */
247 i_ret = GetTracks( p_access, p_sys->b_separate_items,
248 p_playlist, p_item );
255 /* Build a WAV header for the output data */
256 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
257 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
258 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
259 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
260 p_sys->waveheader.Length = 0; /* we just don't know */
261 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
262 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
263 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
264 SetWLE( &p_sys->waveheader.Modus, 2);
265 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
266 SetWLE( &p_sys->waveheader.BytesPerSample,
267 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
268 SetDWLE( &p_sys->waveheader.BytesPerSec,
269 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
270 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
271 p_sys->waveheader.DataLength = 0; /* we just don't know */
273 /* Only update META if we are in old mode */
274 if( !p_sys->b_separate_items && !p_sys->b_single_track )
276 p_access->info.i_update |= INPUT_UPDATE_META;
279 /* Position on the right sector and update size */
280 if( p_sys->b_single_track )
282 p_sys->i_sector = p_sys->p_sectors[ p_sys->i_track ];
283 p_access->info.i_size =
284 ( p_sys->p_sectors[p_sys->i_track+1] -
285 p_sys->p_sectors[p_sys->i_track] ) *
286 (int64_t)CDDA_DATA_SIZE;
290 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
294 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, 1242,
295 p_playlist->request.p_node, NULL );
296 // playlist_Play( p_playlist );
299 if( p_playlist ) vlc_object_release( p_playlist );
304 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
306 if( p_playlist ) vlc_object_release( p_playlist );
310 /*****************************************************************************
312 *****************************************************************************/
313 static void Close( vlc_object_t *p_this )
315 access_t *p_access = (access_t *)p_this;
316 access_sys_t *p_sys = p_access->p_sys;
319 for( i = 0; i < p_sys->i_titles; i++ )
321 vlc_input_title_Delete( p_sys->title[i] );
324 ioctl_Close( p_this, p_sys->vcddev );
328 /*****************************************************************************
329 * Block: read data (CDDA_DATA_ONCE)
330 *****************************************************************************/
331 static block_t *Block( access_t *p_access )
333 access_sys_t *p_sys = p_access->p_sys;
334 int i_blocks = CDDA_BLOCKS_ONCE;
337 if( p_sys->b_separate_items ) p_access->info.b_eof = VLC_TRUE;
339 /* Check end of file */
340 if( p_access->info.b_eof ) return NULL;
342 if( !p_sys->b_header )
344 /* Return only the header */
345 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
346 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
347 p_sys->b_header = VLC_TRUE;
351 /* Check end of title - Single track */
352 if( p_sys->b_single_track )
354 if( p_sys->i_sector >= p_sys->p_sectors[p_sys->i_track + 1] )
356 p_access->info.b_eof = VLC_TRUE;
359 /* Don't read too far */
360 if( p_sys->i_sector + i_blocks >=
361 p_sys->p_sectors[p_sys->i_track +1] )
363 i_blocks = p_sys->p_sectors[p_sys->i_track+1] - p_sys->i_sector;
368 /* Check end of title - Normal */
369 while( p_sys->i_sector >= p_sys->p_sectors[p_access->info.i_title + 1] )
371 if( p_access->info.i_title + 1 >= p_sys->i_titles )
373 p_access->info.b_eof = VLC_TRUE;
377 p_access->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SIZE |
379 p_access->info.i_title++;
380 p_access->info.i_size =
381 p_sys->title[p_access->info.i_title]->i_size;
382 p_access->info.i_pos = 0;
384 /* Don't read too far */
385 if( p_sys->i_sector + i_blocks >= p_sys->p_sectors[p_access->info.i_title + 1] )
387 i_blocks = p_sys->p_sectors[ p_access->info.i_title + 1] -
392 /* Do the actual reading */
393 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
395 msg_Err( p_access, "cannot get a new block of size: %i",
396 i_blocks * CDDA_DATA_SIZE );
400 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
401 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
403 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
404 block_Release( p_block );
406 /* Try to skip one sector (in case of bad sectors) */
408 p_access->info.i_pos += CDDA_DATA_SIZE;
412 /* Update a few values */
413 p_sys->i_sector += i_blocks;
414 p_access->info.i_pos += p_block->i_buffer;
419 /****************************************************************************
421 ****************************************************************************/
422 static int Seek( access_t *p_access, int64_t i_pos )
424 access_sys_t *p_sys = p_access->p_sys;
426 /* Next sector to read */
427 p_sys->i_sector = p_sys->p_sectors[
428 (p_sys->b_single_track ?
430 p_access->info.i_title + 1)
432 i_pos / CDDA_DATA_SIZE;
433 p_access->info.i_pos = i_pos;
438 /*****************************************************************************
440 *****************************************************************************/
441 static int Control( access_t *p_access, int i_query, va_list args )
443 access_sys_t *p_sys = p_access->p_sys;
447 input_title_t ***ppp_title;
455 case ACCESS_CAN_SEEK:
456 case ACCESS_CAN_FASTSEEK:
457 case ACCESS_CAN_PAUSE:
458 case ACCESS_CAN_CONTROL_PACE:
459 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
465 pi_int = (int*)va_arg( args, int * );
466 *pi_int = CDDA_DATA_ONCE;
469 case ACCESS_GET_PTS_DELAY:
470 pi_64 = (int64_t*)va_arg( args, int64_t * );
471 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
475 case ACCESS_SET_PAUSE_STATE:
478 case ACCESS_GET_TITLE_INFO:
479 if( p_sys->b_single_track )
481 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
482 pi_int = (int*)va_arg( args, int* );
483 *((int*)va_arg( args, int* )) = 1; /* Title offset */
485 /* Duplicate title infos */
486 *pi_int = p_sys->i_titles;
487 *ppp_title = malloc(sizeof( input_title_t **) * p_sys->i_titles );
488 for( i = 0; i < p_sys->i_titles; i++ )
490 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
494 case ACCESS_SET_TITLE:
495 if( p_sys->b_single_track ) return VLC_EGENERIC;
496 i = (int)va_arg( args, int );
497 if( i != p_access->info.i_title )
500 p_access->info.i_update |=
501 INPUT_UPDATE_TITLE|INPUT_UPDATE_SIZE|INPUT_UPDATE_META;
502 p_access->info.i_title = i;
503 p_access->info.i_size = p_sys->title[i]->i_size;
504 p_access->info.i_pos = 0;
506 /* Next sector to read */
507 p_sys->i_sector = p_sys->p_sectors[i];
511 case ACCESS_GET_META:
512 if( p_sys->b_single_track ) return VLC_EGENERIC;
513 psz_title = malloc( strlen( _("Audio CD - Track ") ) + 5 );
514 snprintf( psz_title, 100, _("Audio CD - Track %i" ),
515 p_access->info.i_title+1 );
516 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
517 vlc_meta_SetTitle( p_meta, psz_title );
521 case ACCESS_SET_SEEKPOINT:
522 case ACCESS_SET_PRIVATE_ID_STATE:
526 msg_Warn( p_access, "unimplemented query in control" );
533 static int GetTracks( access_t *p_access, vlc_bool_t b_separate,
534 playlist_t *p_playlist, playlist_item_t *p_parent )
536 access_sys_t *p_sys = p_access->p_sys;
538 input_item_t *p_input_item;
539 playlist_item_t *p_item_in_category;
541 p_sys->i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
542 p_sys->vcddev, &p_sys->p_sectors );
543 if( p_sys->i_titles < 0 )
545 msg_Err( p_access, "unable to count tracks" );
546 return VLC_EGENERIC;;
548 else if( p_sys->i_titles <= 0 )
550 msg_Err( p_access, "no audio tracks found" );
556 p_item_in_category = playlist_LockItemToNode( p_playlist, p_parent );
557 psz_name = strdup( "Audio CD" );
558 vlc_mutex_lock( &p_playlist->object_lock );
559 playlist_ItemSetName( p_parent, psz_name );
560 vlc_mutex_unlock( &p_playlist->object_lock );
561 var_SetInteger( p_playlist, "item-change",
562 p_parent->p_input->i_id );
566 GetCDDBInfo( p_access, p_sys->i_titles, p_sys->p_sectors );
569 if( cddb_disc_get_title( p_sys->p_disc ) )
571 asprintf( &psz_name, "%s", cddb_disc_get_title( p_sys->p_disc )
573 vlc_mutex_lock( &p_playlist->object_lock );
574 playlist_ItemSetName( p_parent, psz_name );
575 vlc_mutex_unlock( &p_playlist->object_lock );
576 var_SetInteger( p_playlist, "item-change",
577 p_parent->p_input->i_id );
584 /* Build title table */
585 for( i = 0; i < p_sys->i_titles; i++ )
587 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
590 input_title_t *t = p_sys->title[i] = vlc_input_title_New();
592 asprintf( &t->psz_name, _("Track %i"), i + 1 );
593 t->i_size = ( p_sys->p_sectors[i+1] - p_sys->p_sectors[i] ) *
594 (int64_t)CDDA_DATA_SIZE;
596 t->i_length = I64C(1000000) * t->i_size / 44100 / 4;
601 int i_path_len = p_access->psz_path ? strlen( p_access->psz_path )
605 psz_name = malloc( strlen( _("Audio CD - Track ") ) + 5 );
606 psz_opt = malloc( strlen( "cdda-track=" ) + 3 );
608 psz_uri = (char*)malloc( i_path_len + 13 );
609 snprintf( psz_uri, i_path_len + 13, "cdda://%s",
610 p_access->psz_path ? p_access->psz_path : "" );
611 sprintf( psz_opt, "cdda-track=%i", i+1 );
613 /* Define a "default name" */
614 sprintf( psz_name, _("Audio CD - Track %i"), (i+1) );
616 /* Create playlist items */
617 p_input_item = input_ItemNewWithType( VLC_OBJECT( p_playlist ),
618 psz_uri, psz_name, 0, NULL, -1,
620 vlc_input_item_AddOption( p_input_item, psz_opt );
622 /* If we have CDDB info, change the name */
626 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
629 if( cddb_track_get_title( t ) != NULL )
631 vlc_input_item_AddInfo( p_input_item,
632 _(VLC_META_INFO_CAT),
634 cddb_track_get_title( t ) );
635 if( p_input_item->psz_name )
636 free( p_input_item->psz_name );
637 asprintf( &p_input_item->psz_name, "%s",
638 cddb_track_get_title( t ) );
640 psz_result = cddb_track_get_artist( t );
643 vlc_input_item_AddInfo( p_input_item,
644 _(VLC_META_INFO_CAT),
645 _(VLC_META_ARTIST), psz_result );
650 playlist_AddWhereverNeeded( p_playlist, p_input_item, p_parent,
651 p_item_in_category, VLC_FALSE, PLAYLIST_APPEND );
652 free( psz_uri ); free( psz_opt ); free( psz_name );
656 p_sys->i_sector = p_sys->p_sectors[0];
657 if( p_sys->b_separate_items )
666 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
669 int64_t i_length = 0, i_size = 0;
670 cddb_conn_t *p_cddb = cddb_new();
672 // cddb_log_set_handler( CDDBLogHandler );
676 msg_Warn( p_access, "unable to use CDDB" );
680 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
681 cddb_set_server_name( p_cddb, config_GetPsz( p_access, "cddb-server" ) );
682 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
685 cddb_cache_disable( p_cddb );
687 // cddb_cache_set_dir( p_cddb,
688 // config_GetPsz( p_access,
689 // MODULE_STRING "-cddb-cachedir") );
691 cddb_set_timeout( p_cddb, 10 );
694 cddb_http_disable( p_cddb);
696 p_access->p_sys->p_disc = cddb_disc_new();
698 if(! p_access->p_sys->p_disc )
700 msg_Err( p_access, "unable to create CDDB disc structure." );
704 for(i = 0; i < i_titles ; i++ )
706 cddb_track_t *t = cddb_track_new();
707 cddb_track_set_frame_offset(t, p_sectors[i] );
708 cddb_disc_add_track( p_access->p_sys->p_disc, t );
709 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
710 (int64_t)CDDA_DATA_SIZE;
711 i_length += I64C(1000000) * i_size / 44100 / 4 ;
714 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
716 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
718 msg_Err( p_access, "CDDB disc ID calculation failed" );
722 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
727 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
729 cddb_read( p_cddb, p_access->p_sys->p_disc );
731 // cddb_disc_print( p_access->p_sys->p_disc );
735 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
739 cddb_destroy( p_cddb);
743 #endif /*HAVE_LIBCDDB*/