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 *****************************************************************************/
40 #include <vlc_input.h>
41 #include <vlc_access.h>
44 #include <vlc_codecs.h> /* For WAVEHEADER */
45 #include "vcd/cdrom.h"
47 #include <vlc_playlist.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( _("Audio CD"));
70 set_description( _("Audio CD input") );
71 set_capability( "access2", 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, VLC_TRUE );
80 add_integer( "cdda-track", -1 , NULL, NULL, NULL, VLC_TRUE );
82 add_integer( "cdda-first-sector", -1, NULL, NULL, NULL, VLC_TRUE );
84 add_integer( "cdda-last-sector", -1, NULL, NULL, NULL, VLC_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, playlist_t *p_playlist,
131 playlist_item_t *p_parent );
134 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
137 /*****************************************************************************
139 *****************************************************************************/
140 static int Open( vlc_object_t *p_this )
142 access_t *p_access = (access_t*)p_this;
146 int i_mrl_tracknum = -1;
149 if( !p_access->psz_path || !*p_access->psz_path )
151 /* Only when selected */
152 if( !p_this->b_force ) return VLC_EGENERIC;
154 psz_name = var_CreateGetString( p_this, "cd-audio" );
155 if( !psz_name || !*psz_name )
157 if( psz_name ) free( psz_name );
161 else psz_name = strdup( p_access->psz_path );
164 if( psz_name[0] && psz_name[1] == ':' &&
165 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
169 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
171 msg_Warn( p_access, "could not open %s", psz_name );
177 /* Set up p_access */
178 STANDARD_BLOCK_ACCESS_INIT
179 p_sys->vcddev = vcddev;
181 /* Do we play a single track ? */
182 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" );
184 if( p_sys->i_track < 0 && i_mrl_tracknum <= 0 )
186 /* We only do separate items if the whole disc is requested */
187 playlist_t *p_playlist = pl_Yield( p_access );
192 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
195 input_item_t *p_current = input_GetItem( p_input );
196 playlist_item_t *p_item;
198 if( p_playlist->status.p_item->p_input == p_current )
199 p_item = p_playlist->status.p_item;
201 p_item = playlist_ItemGetByInput( p_playlist, p_current, VLC_FALSE );
204 i_ret = GetTracks( p_access, p_playlist, p_item );
206 msg_Dbg( p_playlist, "unable to find item in playlist");
207 vlc_object_release( p_input );
209 vlc_object_release( p_playlist );
216 /* Build a WAV header for the output data */
217 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
218 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
219 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
220 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
221 p_sys->waveheader.Length = 0; /* we just don't know */
222 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
223 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
224 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
225 SetWLE( &p_sys->waveheader.Modus, 2);
226 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
227 SetWLE( &p_sys->waveheader.BytesPerSample,
228 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
229 SetDWLE( &p_sys->waveheader.BytesPerSec,
230 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
231 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
232 p_sys->waveheader.DataLength = 0; /* we just don't know */
234 p_sys->i_first_sector = var_CreateGetInteger( p_access,
235 "cdda-first-sector" );
236 p_sys->i_last_sector = var_CreateGetInteger( p_access,
237 "cdda-last-sector" );
238 /* Tracknumber in MRL */
239 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
242 if( i_mrl_tracknum <= 0 )
244 msg_Err( p_access, "wrong sector information" );
247 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
248 p_sys->vcddev, &p_sys->p_sectors );
252 p_sys->i_sector = p_sys->i_first_sector;
253 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
254 * (int64_t)CDDA_DATA_SIZE;
258 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
263 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
268 /*****************************************************************************
270 *****************************************************************************/
271 static void Close( vlc_object_t *p_this )
273 access_t *p_access = (access_t *)p_this;
274 access_sys_t *p_sys = p_access->p_sys;
275 ioctl_Close( p_this, p_sys->vcddev );
279 /*****************************************************************************
280 * Block: read data (CDDA_DATA_ONCE)
281 *****************************************************************************/
282 static block_t *Block( access_t *p_access )
284 access_sys_t *p_sys = p_access->p_sys;
285 int i_blocks = CDDA_BLOCKS_ONCE;
288 if( p_sys->i_track < 0 ) p_access->info.b_eof = VLC_TRUE;
290 /* Check end of file */
291 if( p_access->info.b_eof ) return NULL;
293 if( !p_sys->b_header )
295 /* Return only the header */
296 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
297 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
298 p_sys->b_header = VLC_TRUE;
302 if( p_sys->i_sector >= p_sys->i_last_sector )
304 p_access->info.b_eof = VLC_TRUE;
308 /* Don't read too far */
309 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
310 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
312 /* Do the actual reading */
313 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
315 msg_Err( p_access, "cannot get a new block of size: %i",
316 i_blocks * CDDA_DATA_SIZE );
320 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
321 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
323 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
324 block_Release( p_block );
326 /* Try to skip one sector (in case of bad sectors) */
328 p_access->info.i_pos += CDDA_DATA_SIZE;
332 /* Update a few values */
333 p_sys->i_sector += i_blocks;
334 p_access->info.i_pos += p_block->i_buffer;
339 /****************************************************************************
341 ****************************************************************************/
342 static int Seek( access_t *p_access, int64_t i_pos )
344 access_sys_t *p_sys = p_access->p_sys;
346 /* Next sector to read */
347 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
348 p_access->info.i_pos = i_pos;
353 /*****************************************************************************
355 *****************************************************************************/
356 static int Control( access_t *p_access, int i_query, va_list args )
364 case ACCESS_CAN_SEEK:
365 case ACCESS_CAN_FASTSEEK:
366 case ACCESS_CAN_PAUSE:
367 case ACCESS_CAN_CONTROL_PACE:
368 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
373 pi_int = (int*)va_arg( args, int * );
374 *pi_int = CDDA_DATA_ONCE;
377 case ACCESS_GET_PTS_DELAY:
378 pi_64 = (int64_t*)va_arg( args, int64_t * );
379 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
382 case ACCESS_SET_PAUSE_STATE:
383 case ACCESS_GET_TITLE_INFO:
384 case ACCESS_SET_TITLE:
385 case ACCESS_GET_META:
386 case ACCESS_SET_SEEKPOINT:
387 case ACCESS_SET_PRIVATE_ID_STATE:
388 case ACCESS_GET_CONTENT_TYPE:
392 msg_Warn( p_access, "unimplemented query in control" );
399 static int GetTracks( access_t *p_access,
400 playlist_t *p_playlist, playlist_item_t *p_parent )
402 access_sys_t *p_sys = p_access->p_sys;
404 input_item_t *p_input_item;
405 playlist_item_t *p_item_in_category;
407 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
408 p_sys->vcddev, &p_sys->p_sectors );
411 msg_Err( p_access, "unable to count tracks" );
412 return VLC_EGENERIC;;
414 else if( i_titles <= 0 )
416 msg_Err( p_access, "no audio tracks found" );
420 p_item_in_category = playlist_ItemToNode( p_playlist, p_parent, VLC_FALSE );
421 playlist_ItemSetName( p_parent, "Audio CD" );
422 var_SetInteger( p_playlist, "item-change", p_parent->p_input->i_id );
425 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
428 if( cddb_disc_get_title( p_sys->p_disc ) )
430 const char *psz_name = cddb_disc_get_title( p_sys->p_disc );
431 playlist_ItemSetName( p_parent, psz_name );
432 var_SetInteger( p_playlist, "item-change",
433 p_parent->p_input->i_id );
438 /* Build title table */
439 for( i = 0; i < i_titles; i++ )
441 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
442 char *psz_uri, *psz_opt, *psz_first, *psz_last;
443 int i_path_len = p_access->psz_path ? strlen( p_access->psz_path ) : 0;
445 psz_name = (char*)malloc( strlen( _("Audio CD - Track ") ) + 5 );
446 psz_opt = (char*)malloc( strlen( "cdda-track=" ) + 3 );
447 psz_first = (char*)malloc( strlen( "cdda-first-sector=" ) + 7 );
448 psz_last = (char*)malloc( strlen( "cdda-last-sector=" ) + 7 );
449 psz_uri = (char*)malloc( i_path_len + 13 );
451 snprintf( psz_uri, i_path_len + 13, "cdda://%s",
452 p_access->psz_path ? p_access->psz_path : "" );
453 sprintf( psz_opt, "cdda-track=%i", i+1 );
454 sprintf( psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] );
456 // if( i != i_titles -1 )
457 sprintf( psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] );
459 // sprintf( psz_last, "cdda-last-sector=%i", 1242 /* FIXME */);
461 /* Define a "default name" */
462 sprintf( psz_name, _("Audio CD - Track %i"), (i+1) );
464 /* Create playlist items */
465 p_input_item = input_ItemNewWithType( VLC_OBJECT( p_playlist ),
466 psz_uri, psz_name, 0, NULL, -1,
468 input_ItemAddOption( p_input_item, psz_first );
469 input_ItemAddOption( p_input_item, psz_last );
470 input_ItemAddOption( p_input_item, psz_opt );
473 /* If we have CDDB info, change the name */
476 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
479 if( cddb_track_get_title( t ) != NULL )
481 if( p_input_item->psz_name )
482 free( p_input_item->psz_name );
483 p_input_item->psz_name = strdup( cddb_track_get_title( t ) );
484 input_item_SetTitle( p_input_item, cddb_track_get_title( t ) );
486 if( cddb_track_get_artist( t ) != NULL )
488 input_item_SetArtist( p_input_item, cddb_track_get_artist( t ) );
493 playlist_BothAddInput( p_playlist, p_input_item, p_item_in_category,
494 PLAYLIST_APPEND, PLAYLIST_END, NULL, NULL,
496 vlc_gc_decref( p_input_item );
497 free( psz_uri ); free( psz_opt ); free( psz_name );
498 free( psz_first ); free( psz_last );
504 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
507 int64_t i_length = 0, i_size = 0;
508 cddb_conn_t *p_cddb = cddb_new();
512 msg_Warn( p_access, "unable to use CDDB" );
516 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
517 cddb_set_server_name( p_cddb, config_GetPsz( p_access, "cddb-server" ) );
518 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
521 cddb_cache_disable( p_cddb );
523 // cddb_cache_set_dir( p_cddb,
524 // config_GetPsz( p_access,
525 // MODULE_STRING "-cddb-cachedir") );
527 cddb_set_timeout( p_cddb, 10 );
530 cddb_http_disable( p_cddb);
532 p_access->p_sys->p_disc = cddb_disc_new();
534 if(! p_access->p_sys->p_disc )
536 msg_Err( p_access, "unable to create CDDB disc structure." );
540 for(i = 0; i < i_titles ; i++ )
542 cddb_track_t *t = cddb_track_new();
543 cddb_track_set_frame_offset(t, p_sectors[i] );
544 cddb_disc_add_track( p_access->p_sys->p_disc, t );
545 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
546 (int64_t)CDDA_DATA_SIZE;
547 i_length += I64C(1000000) * i_size / 44100 / 4 ;
550 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
552 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
554 msg_Err( p_access, "CDDB disc ID calculation failed" );
558 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
563 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
565 cddb_read( p_cddb, p_access->p_sys->p_disc );
568 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
571 cddb_destroy( p_cddb);
575 #endif /*HAVE_LIBCDDB*/