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 *****************************************************************************/
37 #include <vlc/input.h>
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;
143 input_thread_t *p_input;
144 playlist_item_t *p_item = NULL;
145 playlist_t *p_playlist = NULL;
148 if( !p_access->psz_path || !*p_access->psz_path )
150 /* Only when selected */
151 if( !p_this->b_force ) return VLC_EGENERIC;
153 psz_name = var_CreateGetString( p_this, "cd-audio" );
154 if( !psz_name || !*psz_name )
156 if( psz_name ) free( psz_name );
160 else psz_name = strdup( p_access->psz_path );
163 if( psz_name[0] && psz_name[1] == ':' &&
164 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
168 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
170 msg_Warn( p_access, "could not open %s", psz_name );
176 /* Set up p_access */
177 p_access->pf_read = NULL;
178 p_access->pf_block = Block;
179 p_access->pf_control = Control;
180 p_access->pf_seek = Seek;
181 p_access->info.i_update = 0;
182 p_access->info.i_size = 0;
183 p_access->info.i_pos = 0;
184 p_access->info.b_eof = VLC_FALSE;
185 p_access->info.i_title = 0;
186 p_access->info.i_seekpoint = 0;
187 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
188 memset( p_sys, 0, sizeof( access_sys_t ) );
189 p_sys->vcddev = vcddev;
191 /* We only do separate items if the whole disc is requested -
192 * Dirty hack we access some private data ! */
193 p_input = (input_thread_t *)( p_access->p_parent );
195 /* Do we play a single track ? */
196 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" );
198 if( p_sys->i_track < 0 && i_mrl_tracknum <= 0 )
200 p_playlist = (playlist_t *) vlc_object_find( p_access,
201 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
202 if( !p_playlist ) return VLC_EGENERIC;
204 if( p_playlist->status.p_item->p_input ==
205 ((input_thread_t *)p_access->p_parent)->input.p_item )
206 p_item = p_playlist->status.p_item;
209 input_item_t *p_current = ( (input_thread_t*)p_access->p_parent)->
211 p_item = playlist_LockItemGetByInput( p_playlist, p_current );
215 msg_Dbg( p_playlist, "unable to find item in playlist");
220 i_ret = GetTracks( p_access, p_playlist, p_item );
222 if( p_playlist ) vlc_object_release( p_playlist );
223 if( i_ret < 0 ) goto error;
227 /* Build a WAV header for the output data */
228 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
229 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
230 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
231 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
232 p_sys->waveheader.Length = 0; /* we just don't know */
233 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
234 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
235 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
236 SetWLE( &p_sys->waveheader.Modus, 2);
237 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
238 SetWLE( &p_sys->waveheader.BytesPerSample,
239 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
240 SetDWLE( &p_sys->waveheader.BytesPerSec,
241 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
242 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
243 p_sys->waveheader.DataLength = 0; /* we just don't know */
245 p_sys->i_first_sector = var_CreateGetInteger( p_access,
246 "cdda-first-sector" );
247 p_sys->i_last_sector = var_CreateGetInteger( p_access,
248 "cdda-last-sector" );
249 /* Tracknumber in MRL */
250 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
253 if( i_mrl_tracknum <= 0 )
255 msg_Err( p_access, "wrong sector information" );
258 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
259 p_sys->vcddev, &p_sys->p_sectors );
263 p_sys->i_sector = p_sys->i_first_sector;
264 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
265 * (int64_t)CDDA_DATA_SIZE;
269 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
274 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
276 if( p_playlist ) vlc_object_release( p_playlist );
280 /*****************************************************************************
282 *****************************************************************************/
283 static void Close( vlc_object_t *p_this )
285 access_t *p_access = (access_t *)p_this;
286 access_sys_t *p_sys = p_access->p_sys;
287 ioctl_Close( p_this, p_sys->vcddev );
291 /*****************************************************************************
292 * Block: read data (CDDA_DATA_ONCE)
293 *****************************************************************************/
294 static block_t *Block( access_t *p_access )
296 access_sys_t *p_sys = p_access->p_sys;
297 int i_blocks = CDDA_BLOCKS_ONCE;
300 if( p_sys->i_track < 0 ) p_access->info.b_eof = VLC_TRUE;
302 /* Check end of file */
303 if( p_access->info.b_eof ) return NULL;
305 if( !p_sys->b_header )
307 /* Return only the header */
308 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
309 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
310 p_sys->b_header = VLC_TRUE;
314 if( p_sys->i_sector >= p_sys->i_last_sector )
316 p_access->info.b_eof = VLC_TRUE;
320 /* Don't read too far */
321 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
322 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
324 /* Do the actual reading */
325 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
327 msg_Err( p_access, "cannot get a new block of size: %i",
328 i_blocks * CDDA_DATA_SIZE );
332 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
333 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
335 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
336 block_Release( p_block );
338 /* Try to skip one sector (in case of bad sectors) */
340 p_access->info.i_pos += CDDA_DATA_SIZE;
344 /* Update a few values */
345 p_sys->i_sector += i_blocks;
346 p_access->info.i_pos += p_block->i_buffer;
351 /****************************************************************************
353 ****************************************************************************/
354 static int Seek( access_t *p_access, int64_t i_pos )
356 access_sys_t *p_sys = p_access->p_sys;
358 /* Next sector to read */
359 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
360 p_access->info.i_pos = i_pos;
365 /*****************************************************************************
367 *****************************************************************************/
368 static int Control( access_t *p_access, int i_query, va_list args )
376 case ACCESS_CAN_SEEK:
377 case ACCESS_CAN_FASTSEEK:
378 case ACCESS_CAN_PAUSE:
379 case ACCESS_CAN_CONTROL_PACE:
380 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
385 pi_int = (int*)va_arg( args, int * );
386 *pi_int = CDDA_DATA_ONCE;
389 case ACCESS_GET_PTS_DELAY:
390 pi_64 = (int64_t*)va_arg( args, int64_t * );
391 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
394 case ACCESS_SET_PAUSE_STATE:
395 case ACCESS_GET_TITLE_INFO:
396 case ACCESS_SET_TITLE:
397 case ACCESS_GET_META:
398 case ACCESS_SET_SEEKPOINT:
399 case ACCESS_SET_PRIVATE_ID_STATE:
403 msg_Warn( p_access, "unimplemented query in control" );
410 static int GetTracks( access_t *p_access,
411 playlist_t *p_playlist, playlist_item_t *p_parent )
413 access_sys_t *p_sys = p_access->p_sys;
415 input_item_t *p_input_item;
416 playlist_item_t *p_item_in_category;
418 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
419 p_sys->vcddev, &p_sys->p_sectors );
422 msg_Err( p_access, "unable to count tracks" );
423 return VLC_EGENERIC;;
425 else if( i_titles <= 0 )
427 msg_Err( p_access, "no audio tracks found" );
431 p_item_in_category = playlist_LockItemToNode( p_playlist, p_parent );
432 psz_name = strdup( "Audio CD" );
433 vlc_mutex_lock( &p_playlist->object_lock );
434 playlist_ItemSetName( p_parent, psz_name );
435 vlc_mutex_unlock( &p_playlist->object_lock );
436 var_SetInteger( p_playlist, "item-change", p_parent->p_input->i_id );
440 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
443 if( cddb_disc_get_title( p_sys->p_disc ) )
445 asprintf( &psz_name, "%s", cddb_disc_get_title( p_sys->p_disc ) );
446 vlc_mutex_lock( &p_playlist->object_lock );
447 playlist_ItemSetName( p_parent, psz_name );
448 vlc_mutex_unlock( &p_playlist->object_lock );
449 var_SetInteger( p_playlist, "item-change",
450 p_parent->p_input->i_id );
456 /* Build title table */
457 for( i = 0; i < i_titles; i++ )
459 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
460 char *psz_uri, *psz_opt, *psz_first, *psz_last;
461 int i_path_len = p_access->psz_path ? strlen( p_access->psz_path ) : 0;
463 psz_name = (char*)malloc( strlen( _("Audio CD - Track ") ) + 5 );
464 psz_opt = (char*)malloc( strlen( "cdda-track=" ) + 3 );
465 psz_first = (char*)malloc( strlen( "cdda-first-sector=" ) + 7 );
466 psz_last = (char*)malloc( strlen( "cdda-last-sector=" ) + 7 );
467 psz_uri = (char*)malloc( i_path_len + 13 );
469 snprintf( psz_uri, i_path_len + 13, "cdda://%s",
470 p_access->psz_path ? p_access->psz_path : "" );
471 sprintf( psz_opt, "cdda-track=%i", i+1 );
472 sprintf( psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] );
474 // if( i != i_titles -1 )
475 sprintf( psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] );
477 // sprintf( psz_last, "cdda-last-sector=%i", 1242 /* FIXME */);
479 /* Define a "default name" */
480 sprintf( psz_name, _("Audio CD - Track %i"), (i+1) );
482 /* Create playlist items */
483 p_input_item = input_ItemNewWithType( VLC_OBJECT( p_playlist ),
484 psz_uri, psz_name, 0, NULL, -1,
486 vlc_input_item_AddOption( p_input_item, psz_first );
487 vlc_input_item_AddOption( p_input_item, psz_last );
488 vlc_input_item_AddOption( p_input_item, psz_opt );
491 /* If we have CDDB info, change the name */
495 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
498 if( cddb_track_get_title( t ) != NULL )
500 vlc_input_item_AddInfo( p_input_item, _(VLC_META_INFO_CAT),
502 cddb_track_get_title( t ) );
503 if( p_input_item->psz_name )
504 free( p_input_item->psz_name );
505 asprintf( &p_input_item->psz_name, "%s",
506 cddb_track_get_title( t ) );
508 psz_result = cddb_track_get_artist( t );
511 vlc_input_item_AddInfo( p_input_item, _(VLC_META_INFO_CAT),
512 _(VLC_META_ARTIST), psz_result );
517 playlist_AddWhereverNeeded( p_playlist, p_input_item, p_parent,
518 p_item_in_category, VLC_FALSE, PLAYLIST_APPEND );
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 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
539 cddb_set_server_name( p_cddb, config_GetPsz( p_access, "cddb-server" ) );
540 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
543 cddb_cache_disable( p_cddb );
545 // cddb_cache_set_dir( p_cddb,
546 // config_GetPsz( p_access,
547 // MODULE_STRING "-cddb-cachedir") );
549 cddb_set_timeout( p_cddb, 10 );
552 cddb_http_disable( p_cddb);
554 p_access->p_sys->p_disc = cddb_disc_new();
556 if(! p_access->p_sys->p_disc )
558 msg_Err( p_access, "unable to create CDDB disc structure." );
562 for(i = 0; i < i_titles ; i++ )
564 cddb_track_t *t = cddb_track_new();
565 cddb_track_set_frame_offset(t, p_sectors[i] );
566 cddb_disc_add_track( p_access->p_sys->p_disc, t );
567 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
568 (int64_t)CDDA_DATA_SIZE;
569 i_length += I64C(1000000) * i_size / 44100 / 4 ;
572 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
574 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
576 msg_Err( p_access, "CDDB disc ID calculation failed" );
580 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
585 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
587 cddb_read( p_cddb, p_access->p_sys->p_disc );
590 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
593 cddb_destroy( p_cddb);
597 #endif /*HAVE_LIBCDDB*/