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 *****************************************************************************/
27 * - Improve CDDB support (non-blocking, cache, ...)
28 * - Fix tracknumber in MRL
31 /*****************************************************************************
33 *****************************************************************************/
39 #include <vlc_common.h>
40 #include <vlc_plugin.h>
41 #include <vlc_input.h>
42 #include <vlc_access.h>
44 #include <vlc_charset.h>
46 #include <vlc_codecs.h> /* For WAVEHEADER */
47 #include "vcd/cdrom.h"
50 #include <cddb/cddb.h>
57 /*****************************************************************************
59 *****************************************************************************/
60 static int Open ( vlc_object_t * );
61 static void Close( vlc_object_t * );
63 #define CACHING_TEXT N_("Caching value in ms")
64 #define CACHING_LONGTEXT N_( \
65 "Default caching value for Audio CDs. This " \
66 "value should be set in milliseconds." )
69 set_shortname( N_("Audio CD"))
70 set_description( N_("Audio CD input") )
71 set_capability( "access", 10 )
72 set_category( CAT_INPUT )
73 set_subcategory( SUBCAT_INPUT_ACCESS )
74 set_callbacks( Open, Close )
76 add_usage_hint( N_("[cdda:][device][@[track]]") )
77 add_integer( "cdda-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
78 CACHING_LONGTEXT, true )
80 add_integer( "cdda-track", 0 , NULL, NULL, NULL, true )
82 add_integer( "cdda-first-sector", -1, NULL, NULL, NULL, true )
84 add_integer( "cdda-last-sector", -1, NULL, NULL, NULL, true )
87 add_string( "cddb-server", "freedb.freedb.org", NULL,
88 N_( "CDDB Server" ), N_( "Address of the CDDB server to use." ),
90 add_integer( "cddb-port", 8880, NULL,
91 N_( "CDDB port" ), N_( "CDDB Server port to use." ),
93 add_shortcut( "cdda" )
94 add_shortcut( "cddasimple" )
98 /* how many blocks VCDRead will read in each loop */
99 #define CDDA_BLOCKS_ONCE 20
100 #define CDDA_DATA_ONCE (CDDA_BLOCKS_ONCE * CDDA_DATA_SIZE)
102 /*****************************************************************************
103 * Access: local prototypes
104 *****************************************************************************/
107 vcddev_t *vcddev; /* vcd device descriptor */
109 /* Current position */
110 int i_sector; /* Current Sector */
111 int * p_sectors; /* Track sectors */
113 /* Wave header for the output data */
114 WAVEHEADER waveheader;
122 static block_t *Block( access_t * );
123 static int Seek( access_t *, int64_t );
124 static int Control( access_t *, int, va_list );
126 static int GetTracks( access_t *p_access, input_item_t *p_current );
129 static cddb_disc_t *GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
132 /*****************************************************************************
134 *****************************************************************************/
135 static int Open( vlc_object_t *p_this )
137 access_t *p_access = (access_t*)p_this;
143 if( !p_access->psz_path || !*p_access->psz_path )
145 /* Only when selected */
146 if( !p_this->b_force ) return VLC_EGENERIC;
148 psz_name = var_CreateGetString( p_this, "cd-audio" );
149 if( !psz_name || !*psz_name )
155 else psz_name = ToLocaleDup( p_access->psz_path );
158 if( psz_name[0] && psz_name[1] == ':' &&
159 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
163 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
165 msg_Warn( p_access, "could not open %s", psz_name );
171 /* Set up p_access */
172 STANDARD_BLOCK_ACCESS_INIT
173 p_sys->vcddev = vcddev;
175 /* Do we play a single track ? */
176 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" ) - 1;
178 if( p_sys->i_track < 0 )
180 /* We only do separate items if the whole disc is requested */
181 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
186 input_item_t *p_current = input_GetItem( p_input );
188 i_ret = GetTracks( p_access, p_current );
190 vlc_object_release( p_input );
197 /* Build a WAV header for the output data */
198 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
199 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
200 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
201 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
202 p_sys->waveheader.Length = 0; /* we just don't know */
203 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
204 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
205 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
206 SetWLE( &p_sys->waveheader.Modus, 2);
207 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
208 SetWLE( &p_sys->waveheader.BytesPerSample,
209 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
210 SetDWLE( &p_sys->waveheader.BytesPerSec,
211 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
212 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
213 p_sys->waveheader.DataLength = 0; /* we just don't know */
215 p_sys->i_first_sector = var_CreateGetInteger( p_access,
216 "cdda-first-sector" );
217 p_sys->i_last_sector = var_CreateGetInteger( p_access,
218 "cdda-last-sector" );
219 /* Tracknumber in MRL */
220 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
222 const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
223 p_sys->vcddev, &p_sys->p_sectors );
224 if( p_sys->i_track >= i_titles )
226 msg_Err( p_access, "invalid track number" );
229 p_sys->i_first_sector = p_sys->p_sectors[p_sys->i_track];
230 p_sys->i_last_sector = p_sys->p_sectors[p_sys->i_track+1];
233 p_sys->i_sector = p_sys->i_first_sector;
234 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
235 * (int64_t)CDDA_DATA_SIZE;
239 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
244 free( p_sys->p_sectors );
245 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
250 /*****************************************************************************
252 *****************************************************************************/
253 static void Close( vlc_object_t *p_this )
255 access_t *p_access = (access_t *)p_this;
256 access_sys_t *p_sys = p_access->p_sys;
258 free( p_sys->p_sectors );
259 ioctl_Close( p_this, p_sys->vcddev );
263 /*****************************************************************************
264 * Block: read data (CDDA_DATA_ONCE)
265 *****************************************************************************/
266 static block_t *Block( access_t *p_access )
268 access_sys_t *p_sys = p_access->p_sys;
269 int i_blocks = CDDA_BLOCKS_ONCE;
272 if( p_sys->i_track < 0 ) p_access->info.b_eof = true;
274 /* Check end of file */
275 if( p_access->info.b_eof ) return NULL;
277 if( !p_sys->b_header )
279 /* Return only the header */
280 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
281 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
282 p_sys->b_header = true;
286 if( p_sys->i_sector >= p_sys->i_last_sector )
288 p_access->info.b_eof = true;
292 /* Don't read too far */
293 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
294 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
296 /* Do the actual reading */
297 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
299 msg_Err( p_access, "cannot get a new block of size: %i",
300 i_blocks * CDDA_DATA_SIZE );
304 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
305 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
307 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
308 block_Release( p_block );
310 /* Try to skip one sector (in case of bad sectors) */
312 p_access->info.i_pos += CDDA_DATA_SIZE;
316 /* Update a few values */
317 p_sys->i_sector += i_blocks;
318 p_access->info.i_pos += p_block->i_buffer;
323 /****************************************************************************
325 ****************************************************************************/
326 static int Seek( access_t *p_access, int64_t i_pos )
328 access_sys_t *p_sys = p_access->p_sys;
330 /* Next sector to read */
331 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
332 p_access->info.i_pos = i_pos;
337 /*****************************************************************************
339 *****************************************************************************/
340 static int Control( access_t *p_access, int i_query, va_list args )
347 case ACCESS_CAN_SEEK:
348 case ACCESS_CAN_FASTSEEK:
349 case ACCESS_CAN_PAUSE:
350 case ACCESS_CAN_CONTROL_PACE:
351 pb_bool = (bool*)va_arg( args, bool* );
355 case ACCESS_GET_PTS_DELAY:
356 pi_64 = (int64_t*)va_arg( args, int64_t * );
357 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * INT64_C(1000);
360 case ACCESS_SET_PAUSE_STATE:
363 case ACCESS_GET_TITLE_INFO:
364 case ACCESS_SET_TITLE:
365 case ACCESS_GET_META:
366 case ACCESS_SET_SEEKPOINT:
367 case ACCESS_SET_PRIVATE_ID_STATE:
368 case ACCESS_GET_CONTENT_TYPE:
372 msg_Warn( p_access, "unimplemented query in control" );
378 static int GetTracks( access_t *p_access, input_item_t *p_current )
380 access_sys_t *p_sys = p_access->p_sys;
382 const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
383 p_sys->vcddev, &p_sys->p_sectors );
387 msg_Err( p_access, "unable to count tracks" );
388 else if( i_titles <= 0 )
389 msg_Err( p_access, "no audio tracks found" );
390 return VLC_EGENERIC;;
394 input_item_SetName( p_current, "Audio CD" );
396 const char *psz_album = NULL;
397 const char *psz_year = NULL;
398 const char *psz_genre = NULL;
399 const char *psz_artist = NULL;
400 const char *psz_description = NULL;
401 char psz_year_buffer[4+1];
403 /* Return true if the given string is not NULL and not empty */
404 #define NONEMPTY( psz ) ( (psz) && *(psz) )
405 /* If the given string is NULL or empty, fill it by the return value of 'code' */
406 #define ON_EMPTY( psz, code ) do { if( !NONEMPTY( psz) ) { (psz) = code; } } while(0)
408 /* Retreive CDDB informations */
410 cddb_disc_t *p_disc = GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
413 psz_album = cddb_disc_get_title( p_disc );
414 psz_genre = cddb_disc_get_genre( p_disc );
417 const unsigned i_year = cddb_disc_get_year( p_disc );
420 psz_year = psz_year_buffer;
421 snprintf( psz_year_buffer, sizeof(psz_year_buffer), "%u", i_year );
424 /* Set artist only if unique */
425 for( int i = 0; i < i_titles; i++ )
427 cddb_track_t *t = cddb_disc_get_track( p_disc, i );
430 const char *psz_track_artist = cddb_track_get_artist( t );
431 if( psz_artist && psz_track_artist &&
432 strcmp( psz_artist, psz_track_artist ) )
437 psz_artist = psz_track_artist;
443 vlc_meta_t **pp_cd_text;
446 if( ioctl_GetCdText( VLC_OBJECT(p_access), p_sys->vcddev, &pp_cd_text, &i_cd_text ) )
448 msg_Dbg( p_access, "CD-TEXT information missing" );
453 /* Retreive CD-TEXT informations but prefer CDDB */
454 if( i_cd_text > 0 && pp_cd_text[0] )
456 const vlc_meta_t *p_disc = pp_cd_text[0];
457 ON_EMPTY( psz_album, vlc_meta_Get( p_disc, vlc_meta_Album ) );
458 ON_EMPTY( psz_genre, vlc_meta_Get( p_disc, vlc_meta_Genre ) );
459 ON_EMPTY( psz_artist, vlc_meta_Get( p_disc, vlc_meta_Artist ) );
460 ON_EMPTY( psz_description, vlc_meta_Get( p_disc, vlc_meta_Description ) );
463 if( NONEMPTY( psz_album ) )
465 input_item_SetName( p_current, psz_album );
466 input_item_SetAlbum( p_current, psz_album );
469 if( NONEMPTY( psz_genre ) )
470 input_item_SetGenre( p_current, psz_genre );
472 if( NONEMPTY( psz_artist ) )
473 input_item_SetArtist( p_current, psz_artist );
475 if( NONEMPTY( psz_year ) )
476 input_item_SetDate( p_current, psz_year );
478 if( NONEMPTY( psz_description ) )
479 input_item_SetDescription( p_current, psz_description );
481 const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i_titles] - p_sys->p_sectors[0] ) *
482 CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2;
483 input_item_SetDuration( p_current, i_duration );
485 /* Build title table */
486 for( int i = 0; i < i_titles; i++ )
488 input_item_t *p_input_item;
490 char *psz_uri, *psz_opt, *psz_first, *psz_last;
493 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
496 if( asprintf( &psz_uri, "cdda://%s", p_access->psz_path ) == -1 )
498 if( asprintf( &psz_opt, "cdda-track=%i", i+1 ) == -1 )
500 if( asprintf( &psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] ) == -1 )
502 if( asprintf( &psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] ) == -1 )
505 /* Define a "default name" */
506 if( asprintf( &psz_name, _("Audio CD - Track %02i"), (i+1) ) == -1 )
509 /* Create playlist items */
510 const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i+1] - p_sys->p_sectors[i] ) *
511 CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2;
512 p_input_item = input_item_NewWithType( VLC_OBJECT( p_access ),
513 psz_uri, psz_name, 0, NULL, 0, i_duration,
515 input_item_CopyOptions( p_current, p_input_item );
516 input_item_AddOption( p_input_item, psz_first, VLC_INPUT_OPTION_TRUSTED );
517 input_item_AddOption( p_input_item, psz_last, VLC_INPUT_OPTION_TRUSTED );
518 input_item_AddOption( p_input_item, psz_opt, VLC_INPUT_OPTION_TRUSTED );
520 const char *psz_track_title = NULL;
521 const char *psz_track_artist = NULL;
522 const char *psz_track_genre = NULL;
523 const char *psz_track_description = NULL;
526 /* Retreive CDDB informations */
529 cddb_track_t *t = cddb_disc_get_track( p_disc, i );
532 psz_track_title = cddb_track_get_title( t );
533 psz_track_artist = cddb_track_get_artist( t );
538 /* Retreive CD-TEXT informations but prefer CDDB */
539 if( i+1 < i_cd_text && pp_cd_text[i+1] )
541 const vlc_meta_t *t = pp_cd_text[i+1];
543 ON_EMPTY( psz_track_title, vlc_meta_Get( t, vlc_meta_Title ) );
544 ON_EMPTY( psz_track_artist, vlc_meta_Get( t, vlc_meta_Artist ) );
545 ON_EMPTY( psz_track_genre, vlc_meta_Get( t, vlc_meta_Genre ) );
546 ON_EMPTY( psz_track_description, vlc_meta_Get( t, vlc_meta_Description ) );
550 ON_EMPTY( psz_track_artist, psz_artist );
551 ON_EMPTY( psz_track_genre, psz_genre );
552 ON_EMPTY( psz_track_description, psz_description );
555 if( NONEMPTY( psz_track_title ) )
557 input_item_SetName( p_input_item, psz_track_title );
558 input_item_SetTitle( p_input_item, psz_track_title );
561 if( NONEMPTY( psz_track_artist ) )
562 input_item_SetArtist( p_input_item, psz_track_artist );
564 if( NONEMPTY( psz_track_genre ) )
565 input_item_SetGenre( p_input_item, psz_track_genre );
567 if( NONEMPTY( psz_track_description ) )
568 input_item_SetDescription( p_input_item, psz_track_description );
570 if( NONEMPTY( psz_album ) )
571 input_item_SetAlbum( p_input_item, psz_album );
573 if( NONEMPTY( psz_year ) )
574 input_item_SetDate( p_input_item, psz_year );
577 snprintf( psz_num, sizeof(psz_num), "%d", 1+i );
578 input_item_SetTrackNum( p_input_item, psz_num );
580 input_item_AddSubItem( p_current, p_input_item );
581 vlc_gc_decref( p_input_item );
582 free( psz_uri ); free( psz_opt ); free( psz_name );
583 free( psz_first ); free( psz_last );
589 for( int i = 0; i < i_cd_text; i++ )
591 vlc_meta_t *p_meta = pp_cd_text[i];
594 vlc_meta_Delete( p_meta );
600 cddb_disc_destroy( p_disc );
606 static cddb_disc_t *GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
609 cddb_conn_t *p_cddb = cddb_new();
612 msg_Warn( p_access, "unable to use CDDB" );
617 char *psz_tmp = config_GetPsz( p_access, "cddb-server" );
618 cddb_set_server_name( p_cddb, psz_tmp );
621 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
623 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
626 cddb_cache_disable( p_cddb );
628 // cddb_cache_set_dir( p_cddb,
629 // config_GetPsz( p_access,
630 // MODULE_STRING "-cddb-cachedir") );
632 cddb_set_timeout( p_cddb, 10 );
635 cddb_http_disable( p_cddb);
638 cddb_disc_t *p_disc = cddb_disc_new();
641 msg_Err( p_access, "unable to create CDDB disc structure." );
645 int64_t i_length = 0;
646 for( int i = 0; i < i_titles; i++ )
648 cddb_track_t *t = cddb_track_new();
649 cddb_track_set_frame_offset( t, p_sectors[i] );
650 cddb_disc_add_track( p_disc, t );
651 const int64_t i_size = ( p_sectors[i+1] - p_sectors[i] ) *
652 (int64_t)CDDA_DATA_SIZE;
653 i_length += INT64_C(1000000) * i_size / 44100 / 4 ;
656 cddb_disc_set_length( p_disc, (int)(i_length/1000000) );
658 if( !cddb_disc_calc_discid( p_disc ) )
660 msg_Err( p_access, "CDDB disc ID calculation failed" );
664 const int i_matches = cddb_query( p_cddb, p_disc );
667 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
672 msg_Warn( p_access, "found %d matches in CDDB. Using first one.", i_matches );
673 cddb_read( p_cddb, p_disc );
675 cddb_destroy( p_cddb);
680 cddb_disc_destroy( p_disc );
681 cddb_destroy( p_cddb );
684 #endif /*HAVE_LIBCDDB*/