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;
126 static block_t *Block( access_t * );
127 static int Seek( access_t *, int64_t );
128 static int Control( access_t *, int, va_list );
130 static int GetTracks( access_t *p_access, input_item_t *p_current );
133 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
136 /*****************************************************************************
138 *****************************************************************************/
139 static int Open( vlc_object_t *p_this )
141 access_t *p_access = (access_t*)p_this;
147 if( !p_access->psz_path || !*p_access->psz_path )
149 /* Only when selected */
150 if( !p_this->b_force ) return VLC_EGENERIC;
152 psz_name = var_CreateGetString( p_this, "cd-audio" );
153 if( !psz_name || !*psz_name )
159 else psz_name = ToLocaleDup( p_access->psz_path );
162 if( psz_name[0] && psz_name[1] == ':' &&
163 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
167 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
169 msg_Warn( p_access, "could not open %s", psz_name );
175 /* Set up p_access */
176 STANDARD_BLOCK_ACCESS_INIT
177 p_sys->vcddev = vcddev;
179 /* Do we play a single track ? */
180 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" ) - 1;
182 if( p_sys->i_track < 0 )
184 /* We only do separate items if the whole disc is requested */
185 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
190 input_item_t *p_current = input_GetItem( p_input );
192 i_ret = GetTracks( p_access, p_current );
194 vlc_object_release( p_input );
201 /* Build a WAV header for the output data */
202 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
203 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
204 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
205 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
206 p_sys->waveheader.Length = 0; /* we just don't know */
207 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
208 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
209 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
210 SetWLE( &p_sys->waveheader.Modus, 2);
211 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
212 SetWLE( &p_sys->waveheader.BytesPerSample,
213 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
214 SetDWLE( &p_sys->waveheader.BytesPerSec,
215 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
216 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
217 p_sys->waveheader.DataLength = 0; /* we just don't know */
219 p_sys->i_first_sector = var_CreateGetInteger( p_access,
220 "cdda-first-sector" );
221 p_sys->i_last_sector = var_CreateGetInteger( p_access,
222 "cdda-last-sector" );
223 /* Tracknumber in MRL */
224 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
226 const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
227 p_sys->vcddev, &p_sys->p_sectors );
228 if( p_sys->i_track >= i_titles )
230 msg_Err( p_access, "invalid track number" );
233 p_sys->i_first_sector = p_sys->p_sectors[p_sys->i_track];
234 p_sys->i_last_sector = p_sys->p_sectors[p_sys->i_track+1];
237 p_sys->i_sector = p_sys->i_first_sector;
238 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
239 * (int64_t)CDDA_DATA_SIZE;
243 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
248 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
253 /*****************************************************************************
255 *****************************************************************************/
256 static void Close( vlc_object_t *p_this )
258 access_t *p_access = (access_t *)p_this;
259 access_sys_t *p_sys = p_access->p_sys;
260 ioctl_Close( p_this, p_sys->vcddev );
264 /*****************************************************************************
265 * Block: read data (CDDA_DATA_ONCE)
266 *****************************************************************************/
267 static block_t *Block( access_t *p_access )
269 access_sys_t *p_sys = p_access->p_sys;
270 int i_blocks = CDDA_BLOCKS_ONCE;
273 if( p_sys->i_track < 0 ) p_access->info.b_eof = true;
275 /* Check end of file */
276 if( p_access->info.b_eof ) return NULL;
278 if( !p_sys->b_header )
280 /* Return only the header */
281 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
282 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
283 p_sys->b_header = true;
287 if( p_sys->i_sector >= p_sys->i_last_sector )
289 p_access->info.b_eof = true;
293 /* Don't read too far */
294 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
295 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
297 /* Do the actual reading */
298 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
300 msg_Err( p_access, "cannot get a new block of size: %i",
301 i_blocks * CDDA_DATA_SIZE );
305 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
306 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
308 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
309 block_Release( p_block );
311 /* Try to skip one sector (in case of bad sectors) */
313 p_access->info.i_pos += CDDA_DATA_SIZE;
317 /* Update a few values */
318 p_sys->i_sector += i_blocks;
319 p_access->info.i_pos += p_block->i_buffer;
324 /****************************************************************************
326 ****************************************************************************/
327 static int Seek( access_t *p_access, int64_t i_pos )
329 access_sys_t *p_sys = p_access->p_sys;
331 /* Next sector to read */
332 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
333 p_access->info.i_pos = i_pos;
338 /*****************************************************************************
340 *****************************************************************************/
341 static int Control( access_t *p_access, int i_query, va_list args )
348 case ACCESS_CAN_SEEK:
349 case ACCESS_CAN_FASTSEEK:
350 case ACCESS_CAN_PAUSE:
351 case ACCESS_CAN_CONTROL_PACE:
352 pb_bool = (bool*)va_arg( args, bool* );
356 case ACCESS_GET_PTS_DELAY:
357 pi_64 = (int64_t*)va_arg( args, int64_t * );
358 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * INT64_C(1000);
361 case ACCESS_SET_PAUSE_STATE:
364 case ACCESS_GET_TITLE_INFO:
365 case ACCESS_SET_TITLE:
366 case ACCESS_GET_META:
367 case ACCESS_SET_SEEKPOINT:
368 case ACCESS_SET_PRIVATE_ID_STATE:
369 case ACCESS_GET_CONTENT_TYPE:
373 msg_Warn( p_access, "unimplemented query in control" );
379 static int GetTracks( access_t *p_access, input_item_t *p_current )
381 access_sys_t *p_sys = p_access->p_sys;
383 const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
384 p_sys->vcddev, &p_sys->p_sectors );
388 msg_Err( p_access, "unable to count tracks" );
389 else if( i_titles <= 0 )
390 msg_Err( p_access, "no audio tracks found" );
391 return VLC_EGENERIC;;
394 input_item_SetName( p_current, "Audio CD" );
397 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
398 const char *psz_album = NULL;
399 const char *psz_year = NULL;
400 const char *psz_genre = NULL;
401 char psz_year_buffer[4+1];
405 psz_album = cddb_disc_get_title( p_sys->p_disc );
406 if( psz_album && *psz_album )
408 input_item_SetName( p_current, psz_album );
409 input_item_SetAlbum( p_current, psz_album );
412 const unsigned i_year = cddb_disc_get_year( p_sys->p_disc );
415 psz_year = psz_year_buffer;
416 snprintf( psz_year_buffer, sizeof(psz_year_buffer), "%u", i_year );
417 input_item_SetDate( p_current, psz_year );
420 psz_genre = cddb_disc_get_genre( p_sys->p_disc );
421 if( psz_genre && *psz_genre )
422 input_item_SetGenre( p_current, psz_genre );
424 /* Set artist only if unique */
425 const char *psz_artist = NULL;
426 for( int i = 0; i < i_titles; i++ )
428 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
431 const char *psz_track_artist = cddb_track_get_artist( t );
432 if( psz_artist && psz_track_artist &&
433 strcmp( psz_artist, psz_track_artist ) )
438 psz_artist = psz_track_artist;
440 if( psz_artist && *psz_artist )
441 input_item_SetArtist( p_current, psz_artist );
443 const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i_titles] - p_sys->p_sectors[0] ) *
444 CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2;
445 input_item_SetDuration( p_current, i_duration );
449 /* Build title table */
450 for( int i = 0; i < i_titles; i++ )
452 input_item_t *p_input_item;
454 char *psz_uri, *psz_opt, *psz_first, *psz_last;
457 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
460 if( asprintf( &psz_uri, "cdda://%s", p_access->psz_path ) == -1 )
462 if( asprintf( &psz_opt, "cdda-track=%i", i+1 ) == -1 )
464 if( asprintf( &psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] ) == -1 )
466 if( asprintf( &psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] ) == -1 )
469 /* Define a "default name" */
470 if( asprintf( &psz_name, _("Audio CD - Track %02i"), (i+1) ) == -1 )
473 /* Create playlist items */
474 const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i+1] - p_sys->p_sectors[i] ) *
475 CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2;
476 p_input_item = input_item_NewWithType( VLC_OBJECT( p_access ),
477 psz_uri, psz_name, 0, NULL, 0, i_duration,
479 input_item_CopyOptions( p_current, p_input_item );
480 input_item_AddOption( p_input_item, psz_first, VLC_INPUT_OPTION_TRUSTED );
481 input_item_AddOption( p_input_item, psz_last, VLC_INPUT_OPTION_TRUSTED );
482 input_item_AddOption( p_input_item, psz_opt, VLC_INPUT_OPTION_TRUSTED );
485 /* If we have CDDB info, change the name */
488 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
491 const char *psz_title = cddb_track_get_title( t );
492 const char *psz_artist = cddb_track_get_artist( t );
496 input_item_SetName( p_input_item, psz_title );
497 input_item_SetTitle( p_input_item, psz_title );
500 input_item_SetArtist( p_input_item, psz_artist );
503 if( psz_album && *psz_album )
504 input_item_SetAlbum( p_input_item, psz_album );
507 input_item_SetDate( p_input_item, psz_year );
509 if( psz_genre && *psz_genre )
510 input_item_SetGenre( p_input_item, psz_genre );
514 snprintf( psz_num, sizeof(psz_num), "%d", 1+i );
515 input_item_SetTrackNum( p_input_item, psz_num );
517 input_item_AddSubItem( p_current, p_input_item );
518 vlc_gc_decref( p_input_item );
519 free( psz_uri ); free( psz_opt ); free( psz_name );
520 free( psz_first ); free( psz_last );
526 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
529 int64_t i_length = 0, i_size = 0;
530 cddb_conn_t *p_cddb = cddb_new();
534 msg_Warn( p_access, "unable to use CDDB" );
538 char* psz_tmp = config_GetPsz( p_access, "cddb-server" );
539 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
540 cddb_set_server_name( p_cddb, psz_tmp );
541 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
545 cddb_cache_disable( p_cddb );
547 // cddb_cache_set_dir( p_cddb,
548 // config_GetPsz( p_access,
549 // MODULE_STRING "-cddb-cachedir") );
551 cddb_set_timeout( p_cddb, 10 );
554 cddb_http_disable( p_cddb);
556 p_access->p_sys->p_disc = cddb_disc_new();
558 if(! p_access->p_sys->p_disc )
560 msg_Err( p_access, "unable to create CDDB disc structure." );
564 for(i = 0; i < i_titles ; i++ )
566 cddb_track_t *t = cddb_track_new();
567 cddb_track_set_frame_offset(t, p_sectors[i] );
568 cddb_disc_add_track( p_access->p_sys->p_disc, t );
569 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
570 (int64_t)CDDA_DATA_SIZE;
571 i_length += INT64_C(1000000) * i_size / 44100 / 4 ;
574 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
576 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
578 msg_Err( p_access, "CDDB disc ID calculation failed" );
582 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
587 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
589 cddb_read( p_cddb, p_access->p_sys->p_disc );
592 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
595 cddb_destroy( p_cddb);
599 #endif /*HAVE_LIBCDDB*/