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 *****************************************************************************/
36 #include <vlc_input.h>
37 #include <vlc_access.h>
39 #include <vlc_codecs.h> /* For WAVEHEADER */
40 #include "vcd/cdrom.h"
42 #include <vlc_playlist.h>
45 #include <cddb/cddb.h>
52 /*****************************************************************************
54 *****************************************************************************/
55 static int Open ( vlc_object_t * );
56 static void Close( vlc_object_t * );
58 #define CACHING_TEXT N_("Caching value in ms")
59 #define CACHING_LONGTEXT N_( \
60 "Default caching value for Audio CDs. This " \
61 "value should be set in milliseconds." )
64 set_shortname( _("Audio CD"));
65 set_description( _("Audio CD input") );
66 set_capability( "access2", 10 );
67 set_category( CAT_INPUT );
68 set_subcategory( SUBCAT_INPUT_ACCESS );
69 set_callbacks( Open, Close );
71 add_usage_hint( N_("[cdda:][device][@[track]]") );
72 add_integer( "cdda-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
73 CACHING_LONGTEXT, VLC_TRUE );
75 add_integer( "cdda-track", -1 , NULL, NULL, NULL, VLC_TRUE );
77 add_integer( "cdda-first-sector", -1, NULL, NULL, NULL, VLC_TRUE );
79 add_integer( "cdda-last-sector", -1, NULL, NULL, NULL, VLC_TRUE );
82 add_string( "cddb-server", "freedb.freedb.org", NULL,
83 N_( "CDDB Server" ), N_( "Address of the CDDB server to use." ),
85 add_integer( "cddb-port", 8880, NULL,
86 N_( "CDDB port" ), N_( "CDDB Server port to use." ),
88 add_shortcut( "cdda" );
89 add_shortcut( "cddasimple" );
93 /* how many blocks VCDRead will read in each loop */
94 #define CDDA_BLOCKS_ONCE 20
95 #define CDDA_DATA_ONCE (CDDA_BLOCKS_ONCE * CDDA_DATA_SIZE)
97 /*****************************************************************************
98 * Access: local prototypes
99 *****************************************************************************/
102 vcddev_t *vcddev; /* vcd device descriptor */
104 /* Current position */
105 int i_sector; /* Current Sector */
106 int * p_sectors; /* Track sectors */
108 /* Wave header for the output data */
109 WAVEHEADER waveheader;
121 static block_t *Block( access_t * );
122 static int Seek( access_t *, int64_t );
123 static int Control( access_t *, int, va_list );
125 static int GetTracks( access_t *p_access, playlist_t *p_playlist,
126 playlist_item_t *p_parent );
129 static void 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;
141 int i_mrl_tracknum = -1;
144 if( !p_access->psz_path || !*p_access->psz_path )
146 /* Only when selected */
147 if( !p_this->b_force ) return VLC_EGENERIC;
149 psz_name = var_CreateGetString( p_this, "cd-audio" );
150 if( !psz_name || !*psz_name )
152 if( psz_name ) free( psz_name );
156 else psz_name = strdup( p_access->psz_path );
159 if( psz_name[0] && psz_name[1] == ':' &&
160 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
164 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
166 msg_Warn( p_access, "could not open %s", psz_name );
172 /* Set up p_access */
173 STANDARD_BLOCK_ACCESS_INIT
174 p_sys->vcddev = vcddev;
176 /* Do we play a single track ? */
177 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" );
179 if( p_sys->i_track < 0 && i_mrl_tracknum <= 0 )
181 /* We only do separate items if the whole disc is requested */
182 playlist_t *p_playlist = pl_Yield( p_access );
187 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 );
191 playlist_item_t *p_item;
193 if( p_playlist->status.p_item->p_input == p_current )
194 p_item = p_playlist->status.p_item;
196 p_item = playlist_ItemGetByInput( p_playlist, p_current, VLC_FALSE );
199 i_ret = GetTracks( p_access, p_playlist, p_item );
201 msg_Dbg( p_playlist, "unable to find item in playlist");
202 vlc_object_release( p_input );
204 vlc_object_release( p_playlist );
211 /* Build a WAV header for the output data */
212 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
213 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
214 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
215 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
216 p_sys->waveheader.Length = 0; /* we just don't know */
217 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
218 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
219 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
220 SetWLE( &p_sys->waveheader.Modus, 2);
221 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
222 SetWLE( &p_sys->waveheader.BytesPerSample,
223 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
224 SetDWLE( &p_sys->waveheader.BytesPerSec,
225 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
226 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
227 p_sys->waveheader.DataLength = 0; /* we just don't know */
229 p_sys->i_first_sector = var_CreateGetInteger( p_access,
230 "cdda-first-sector" );
231 p_sys->i_last_sector = var_CreateGetInteger( p_access,
232 "cdda-last-sector" );
233 /* Tracknumber in MRL */
234 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
237 if( i_mrl_tracknum <= 0 )
239 msg_Err( p_access, "wrong sector information" );
242 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
243 p_sys->vcddev, &p_sys->p_sectors );
247 p_sys->i_sector = p_sys->i_first_sector;
248 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
249 * (int64_t)CDDA_DATA_SIZE;
253 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
258 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
263 /*****************************************************************************
265 *****************************************************************************/
266 static void Close( vlc_object_t *p_this )
268 access_t *p_access = (access_t *)p_this;
269 access_sys_t *p_sys = p_access->p_sys;
270 ioctl_Close( p_this, p_sys->vcddev );
274 /*****************************************************************************
275 * Block: read data (CDDA_DATA_ONCE)
276 *****************************************************************************/
277 static block_t *Block( access_t *p_access )
279 access_sys_t *p_sys = p_access->p_sys;
280 int i_blocks = CDDA_BLOCKS_ONCE;
283 if( p_sys->i_track < 0 ) p_access->info.b_eof = VLC_TRUE;
285 /* Check end of file */
286 if( p_access->info.b_eof ) return NULL;
288 if( !p_sys->b_header )
290 /* Return only the header */
291 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
292 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
293 p_sys->b_header = VLC_TRUE;
297 if( p_sys->i_sector >= p_sys->i_last_sector )
299 p_access->info.b_eof = VLC_TRUE;
303 /* Don't read too far */
304 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
305 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
307 /* Do the actual reading */
308 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
310 msg_Err( p_access, "cannot get a new block of size: %i",
311 i_blocks * CDDA_DATA_SIZE );
315 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
316 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
318 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
319 block_Release( p_block );
321 /* Try to skip one sector (in case of bad sectors) */
323 p_access->info.i_pos += CDDA_DATA_SIZE;
327 /* Update a few values */
328 p_sys->i_sector += i_blocks;
329 p_access->info.i_pos += p_block->i_buffer;
334 /****************************************************************************
336 ****************************************************************************/
337 static int Seek( access_t *p_access, int64_t i_pos )
339 access_sys_t *p_sys = p_access->p_sys;
341 /* Next sector to read */
342 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
343 p_access->info.i_pos = i_pos;
348 /*****************************************************************************
350 *****************************************************************************/
351 static int Control( access_t *p_access, int i_query, va_list args )
359 case ACCESS_CAN_SEEK:
360 case ACCESS_CAN_FASTSEEK:
361 case ACCESS_CAN_PAUSE:
362 case ACCESS_CAN_CONTROL_PACE:
363 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
368 pi_int = (int*)va_arg( args, int * );
369 *pi_int = CDDA_DATA_ONCE;
372 case ACCESS_GET_PTS_DELAY:
373 pi_64 = (int64_t*)va_arg( args, int64_t * );
374 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
377 case ACCESS_SET_PAUSE_STATE:
378 case ACCESS_GET_TITLE_INFO:
379 case ACCESS_SET_TITLE:
380 case ACCESS_GET_META:
381 case ACCESS_SET_SEEKPOINT:
382 case ACCESS_SET_PRIVATE_ID_STATE:
386 msg_Warn( p_access, "unimplemented query in control" );
393 static int GetTracks( access_t *p_access,
394 playlist_t *p_playlist, playlist_item_t *p_parent )
396 access_sys_t *p_sys = p_access->p_sys;
398 input_item_t *p_input_item;
399 playlist_item_t *p_item_in_category;
401 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
402 p_sys->vcddev, &p_sys->p_sectors );
405 msg_Err( p_access, "unable to count tracks" );
406 return VLC_EGENERIC;;
408 else if( i_titles <= 0 )
410 msg_Err( p_access, "no audio tracks found" );
414 p_item_in_category = playlist_ItemToNode( p_playlist, p_parent, VLC_FALSE );
415 playlist_ItemSetName( p_parent, "Audio CD" );
416 var_SetInteger( p_playlist, "item-change", p_parent->p_input->i_id );
419 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
422 if( cddb_disc_get_title( p_sys->p_disc ) )
424 const char *psz_name = cddb_disc_get_title( p_sys->p_disc );
425 playlist_ItemSetName( p_parent, psz_name );
426 var_SetInteger( p_playlist, "item-change",
427 p_parent->p_input->i_id );
432 /* Build title table */
433 for( i = 0; i < i_titles; i++ )
435 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
436 char *psz_uri, *psz_opt, *psz_first, *psz_last;
437 int i_path_len = p_access->psz_path ? strlen( p_access->psz_path ) : 0;
439 psz_name = (char*)malloc( strlen( _("Audio CD - Track ") ) + 5 );
440 psz_opt = (char*)malloc( strlen( "cdda-track=" ) + 3 );
441 psz_first = (char*)malloc( strlen( "cdda-first-sector=" ) + 7 );
442 psz_last = (char*)malloc( strlen( "cdda-last-sector=" ) + 7 );
443 psz_uri = (char*)malloc( i_path_len + 13 );
445 snprintf( psz_uri, i_path_len + 13, "cdda://%s",
446 p_access->psz_path ? p_access->psz_path : "" );
447 sprintf( psz_opt, "cdda-track=%i", i+1 );
448 sprintf( psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] );
450 // if( i != i_titles -1 )
451 sprintf( psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] );
453 // sprintf( psz_last, "cdda-last-sector=%i", 1242 /* FIXME */);
455 /* Define a "default name" */
456 sprintf( psz_name, _("Audio CD - Track %i"), (i+1) );
458 /* Create playlist items */
459 p_input_item = input_ItemNewWithType( VLC_OBJECT( p_playlist ),
460 psz_uri, psz_name, 0, NULL, -1,
462 input_ItemAddOption( p_input_item, psz_first );
463 input_ItemAddOption( p_input_item, psz_last );
464 input_ItemAddOption( p_input_item, psz_opt );
467 /* If we have CDDB info, change the name */
470 const char *psz_result;
471 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
474 if( cddb_track_get_title( t ) != NULL )
476 input_ItemAddInfo( p_input_item, _(VLC_META_INFO_CAT),
478 "%s", cddb_track_get_title( t ) );
479 if( p_input_item->psz_name )
480 free( p_input_item->psz_name );
481 p_input_item->psz_name = strdup( cddb_track_get_title( t ) );
483 psz_result = cddb_track_get_artist( t );
486 input_ItemAddInfo( p_input_item, _(VLC_META_INFO_CAT),
487 _(VLC_META_ARTIST), "%s", psz_result );
492 playlist_BothAddInput( p_playlist, p_input_item, p_item_in_category,
493 PLAYLIST_APPEND, PLAYLIST_END, NULL, NULL,
495 free( psz_uri ); free( psz_opt ); free( psz_name );
496 free( psz_first ); free( psz_last );
502 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
505 int64_t i_length = 0, i_size = 0;
506 cddb_conn_t *p_cddb = cddb_new();
510 msg_Warn( p_access, "unable to use CDDB" );
514 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
515 cddb_set_server_name( p_cddb, config_GetPsz( p_access, "cddb-server" ) );
516 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
519 cddb_cache_disable( p_cddb );
521 // cddb_cache_set_dir( p_cddb,
522 // config_GetPsz( p_access,
523 // MODULE_STRING "-cddb-cachedir") );
525 cddb_set_timeout( p_cddb, 10 );
528 cddb_http_disable( p_cddb);
530 p_access->p_sys->p_disc = cddb_disc_new();
532 if(! p_access->p_sys->p_disc )
534 msg_Err( p_access, "unable to create CDDB disc structure." );
538 for(i = 0; i < i_titles ; i++ )
540 cddb_track_t *t = cddb_track_new();
541 cddb_track_set_frame_offset(t, p_sectors[i] );
542 cddb_disc_add_track( p_access->p_sys->p_disc, t );
543 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
544 (int64_t)CDDA_DATA_SIZE;
545 i_length += I64C(1000000) * i_size / 44100 / 4 ;
548 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
550 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
552 msg_Err( p_access, "CDDB disc ID calculation failed" );
556 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
561 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
563 cddb_read( p_cddb, p_access->p_sys->p_disc );
566 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
569 cddb_destroy( p_cddb);
573 #endif /*HAVE_LIBCDDB*/