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>
43 #include <vlc_charset.h>
45 #include <vlc_codecs.h> /* For WAVEHEADER */
46 #include "vcd/cdrom.h"
48 #include <vlc_playlist.h>
51 #include <cddb/cddb.h>
58 /*****************************************************************************
60 *****************************************************************************/
61 static int Open ( vlc_object_t * );
62 static void Close( vlc_object_t * );
64 #define CACHING_TEXT N_("Caching value in ms")
65 #define CACHING_LONGTEXT N_( \
66 "Default caching value for Audio CDs. This " \
67 "value should be set in milliseconds." )
70 set_shortname( _("Audio CD"));
71 set_description( _("Audio CD input") );
72 set_capability( "access", 10 );
73 set_category( CAT_INPUT );
74 set_subcategory( SUBCAT_INPUT_ACCESS );
75 set_callbacks( Open, Close );
77 add_usage_hint( N_("[cdda:][device][@[track]]") );
78 add_integer( "cdda-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
79 CACHING_LONGTEXT, true );
81 add_integer( "cdda-track", -1 , NULL, NULL, NULL, true );
83 add_integer( "cdda-first-sector", -1, NULL, NULL, NULL, true );
85 add_integer( "cdda-last-sector", -1, NULL, NULL, NULL, true );
88 add_string( "cddb-server", "freedb.freedb.org", NULL,
89 N_( "CDDB Server" ), N_( "Address of the CDDB server to use." ),
91 add_integer( "cddb-port", 8880, NULL,
92 N_( "CDDB port" ), N_( "CDDB Server port to use." ),
94 add_shortcut( "cdda" );
95 add_shortcut( "cddasimple" );
99 /* how many blocks VCDRead will read in each loop */
100 #define CDDA_BLOCKS_ONCE 20
101 #define CDDA_DATA_ONCE (CDDA_BLOCKS_ONCE * CDDA_DATA_SIZE)
103 /*****************************************************************************
104 * Access: local prototypes
105 *****************************************************************************/
108 vcddev_t *vcddev; /* vcd device descriptor */
110 /* Current position */
111 int i_sector; /* Current Sector */
112 int * p_sectors; /* Track sectors */
114 /* Wave header for the output data */
115 WAVEHEADER waveheader;
127 static block_t *Block( access_t * );
128 static int Seek( access_t *, int64_t );
129 static int Control( access_t *, int, va_list );
131 static int GetTracks( access_t *p_access, playlist_t *p_playlist,
132 playlist_item_t *p_parent );
135 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
138 /*****************************************************************************
140 *****************************************************************************/
141 static int Open( vlc_object_t *p_this )
143 access_t *p_access = (access_t*)p_this;
147 int i_mrl_tracknum = -1;
150 if( !p_access->psz_path || !*p_access->psz_path )
152 /* Only when selected */
153 if( !p_this->b_force ) return VLC_EGENERIC;
155 psz_name = var_CreateGetString( p_this, "cd-audio" );
156 if( !psz_name || !*psz_name )
162 else psz_name = ToLocaleDup( p_access->psz_path );
165 if( psz_name[0] && psz_name[1] == ':' &&
166 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
170 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
172 msg_Warn( p_access, "could not open %s", psz_name );
178 /* Set up p_access */
179 STANDARD_BLOCK_ACCESS_INIT
180 p_sys->vcddev = vcddev;
182 /* Do we play a single track ? */
183 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" );
185 if( p_sys->i_track < 0 && i_mrl_tracknum <= 0 )
187 /* We only do separate items if the whole disc is requested */
188 playlist_t *p_playlist = pl_Yield( p_access );
193 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
196 input_item_t *p_current = input_GetItem( p_input );
197 playlist_item_t *p_item;
199 if( p_playlist->status.p_item->p_input == p_current )
200 p_item = p_playlist->status.p_item;
202 p_item = playlist_ItemGetByInput( p_playlist, p_current, false );
205 i_ret = GetTracks( p_access, p_playlist, p_item );
207 msg_Dbg( p_playlist, "unable to find item in playlist");
208 vlc_object_release( p_input );
210 vlc_object_release( p_playlist );
217 /* Build a WAV header for the output data */
218 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
219 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
220 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
221 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
222 p_sys->waveheader.Length = 0; /* we just don't know */
223 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
224 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
225 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
226 SetWLE( &p_sys->waveheader.Modus, 2);
227 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
228 SetWLE( &p_sys->waveheader.BytesPerSample,
229 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
230 SetDWLE( &p_sys->waveheader.BytesPerSec,
231 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
232 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
233 p_sys->waveheader.DataLength = 0; /* we just don't know */
235 p_sys->i_first_sector = var_CreateGetInteger( p_access,
236 "cdda-first-sector" );
237 p_sys->i_last_sector = var_CreateGetInteger( p_access,
238 "cdda-last-sector" );
239 /* Tracknumber in MRL */
240 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
243 if( i_mrl_tracknum <= 0 )
245 msg_Err( p_access, "wrong sector information" );
248 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
249 p_sys->vcddev, &p_sys->p_sectors );
253 p_sys->i_sector = p_sys->i_first_sector;
254 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
255 * (int64_t)CDDA_DATA_SIZE;
259 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
264 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
269 /*****************************************************************************
271 *****************************************************************************/
272 static void Close( vlc_object_t *p_this )
274 access_t *p_access = (access_t *)p_this;
275 access_sys_t *p_sys = p_access->p_sys;
276 ioctl_Close( p_this, p_sys->vcddev );
280 /*****************************************************************************
281 * Block: read data (CDDA_DATA_ONCE)
282 *****************************************************************************/
283 static block_t *Block( access_t *p_access )
285 access_sys_t *p_sys = p_access->p_sys;
286 int i_blocks = CDDA_BLOCKS_ONCE;
289 if( p_sys->i_track < 0 ) p_access->info.b_eof = true;
291 /* Check end of file */
292 if( p_access->info.b_eof ) return NULL;
294 if( !p_sys->b_header )
296 /* Return only the header */
297 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
298 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
299 p_sys->b_header = true;
303 if( p_sys->i_sector >= p_sys->i_last_sector )
305 p_access->info.b_eof = true;
309 /* Don't read too far */
310 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
311 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
313 /* Do the actual reading */
314 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
316 msg_Err( p_access, "cannot get a new block of size: %i",
317 i_blocks * CDDA_DATA_SIZE );
321 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
322 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
324 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
325 block_Release( p_block );
327 /* Try to skip one sector (in case of bad sectors) */
329 p_access->info.i_pos += CDDA_DATA_SIZE;
333 /* Update a few values */
334 p_sys->i_sector += i_blocks;
335 p_access->info.i_pos += p_block->i_buffer;
340 /****************************************************************************
342 ****************************************************************************/
343 static int Seek( access_t *p_access, int64_t i_pos )
345 access_sys_t *p_sys = p_access->p_sys;
347 /* Next sector to read */
348 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
349 p_access->info.i_pos = i_pos;
354 /*****************************************************************************
356 *****************************************************************************/
357 static int Control( access_t *p_access, int i_query, va_list args )
365 case ACCESS_CAN_SEEK:
366 case ACCESS_CAN_FASTSEEK:
367 case ACCESS_CAN_PAUSE:
368 case ACCESS_CAN_CONTROL_PACE:
369 pb_bool = (bool*)va_arg( args, bool* );
374 pi_int = (int*)va_arg( args, int * );
375 *pi_int = CDDA_DATA_ONCE;
378 case ACCESS_GET_PTS_DELAY:
379 pi_64 = (int64_t*)va_arg( args, int64_t * );
380 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
383 case ACCESS_SET_PAUSE_STATE:
384 case ACCESS_GET_TITLE_INFO:
385 case ACCESS_SET_TITLE:
386 case ACCESS_GET_META:
387 case ACCESS_SET_SEEKPOINT:
388 case ACCESS_SET_PRIVATE_ID_STATE:
389 case ACCESS_GET_CONTENT_TYPE:
393 msg_Warn( p_access, "unimplemented query in control" );
400 static int GetTracks( access_t *p_access,
401 playlist_t *p_playlist, playlist_item_t *p_parent )
403 access_sys_t *p_sys = p_access->p_sys;
405 input_item_t *p_input_item;
406 playlist_item_t *p_item_in_category;
408 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
409 p_sys->vcddev, &p_sys->p_sectors );
412 msg_Err( p_access, "unable to count tracks" );
413 return VLC_EGENERIC;;
415 else if( i_titles <= 0 )
417 msg_Err( p_access, "no audio tracks found" );
421 p_item_in_category = playlist_ItemToNode( p_playlist, p_parent, false );
422 playlist_ItemSetName( p_parent, "Audio CD" );
423 var_SetInteger( p_playlist, "item-change", p_parent->p_input->i_id );
426 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
429 if( cddb_disc_get_title( p_sys->p_disc ) )
431 const char *psz_name = cddb_disc_get_title( p_sys->p_disc );
432 playlist_ItemSetName( p_parent, psz_name );
433 var_SetInteger( p_playlist, "item-change",
434 p_parent->p_input->i_id );
439 /* Build title table */
440 for( i = 0; i < i_titles; i++ )
442 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
443 char *psz_uri, *psz_opt, *psz_first, *psz_last;
444 int i_path_len = p_access->psz_path ? strlen( p_access->psz_path ) : 0;
446 psz_name = (char*)malloc( strlen( _("Audio CD - Track ") ) + 5 );
447 psz_opt = (char*)malloc( strlen( "cdda-track=" ) + 3 );
448 psz_first = (char*)malloc( strlen( "cdda-first-sector=" ) + 7 );
449 psz_last = (char*)malloc( strlen( "cdda-last-sector=" ) + 7 );
450 psz_uri = (char*)malloc( i_path_len + 13 );
452 snprintf( psz_uri, i_path_len + 13, "cdda://%s",
453 p_access->psz_path ? p_access->psz_path : "" );
454 sprintf( psz_opt, "cdda-track=%i", i+1 );
455 sprintf( psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] );
457 // if( i != i_titles -1 )
458 sprintf( psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] );
460 // sprintf( psz_last, "cdda-last-sector=%i", 1242 /* FIXME */);
462 /* Define a "default name" */
463 sprintf( psz_name, _("Audio CD - Track %i"), (i+1) );
465 /* Create playlist items */
466 p_input_item = input_ItemNewWithType( VLC_OBJECT( p_playlist ),
467 psz_uri, psz_name, 0, NULL, -1,
469 input_ItemAddOption( p_input_item, psz_first );
470 input_ItemAddOption( p_input_item, psz_last );
471 input_ItemAddOption( p_input_item, psz_opt );
474 /* If we have CDDB info, change the name */
477 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
480 if( cddb_track_get_title( t ) != NULL )
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 int i_ret = playlist_BothAddInput( p_playlist, p_input_item,
495 PLAYLIST_APPEND, PLAYLIST_END, NULL, NULL,
497 vlc_gc_decref( p_input_item );
498 free( psz_uri ); free( psz_opt ); free( psz_name );
499 free( psz_first ); free( psz_last );
500 if( i_ret != VLC_SUCCESS )
507 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
510 int64_t i_length = 0, i_size = 0;
511 cddb_conn_t *p_cddb = cddb_new();
515 msg_Warn( p_access, "unable to use CDDB" );
519 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
520 cddb_set_server_name( p_cddb, config_GetPsz( p_access, "cddb-server" ) );
521 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
524 cddb_cache_disable( p_cddb );
526 // cddb_cache_set_dir( p_cddb,
527 // config_GetPsz( p_access,
528 // MODULE_STRING "-cddb-cachedir") );
530 cddb_set_timeout( p_cddb, 10 );
533 cddb_http_disable( p_cddb);
535 p_access->p_sys->p_disc = cddb_disc_new();
537 if(! p_access->p_sys->p_disc )
539 msg_Err( p_access, "unable to create CDDB disc structure." );
543 for(i = 0; i < i_titles ; i++ )
545 cddb_track_t *t = cddb_track_new();
546 cddb_track_set_frame_offset(t, p_sectors[i] );
547 cddb_disc_add_track( p_access->p_sys->p_disc, t );
548 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
549 (int64_t)CDDA_DATA_SIZE;
550 i_length += INT64_C(1000000) * i_size / 44100 / 4 ;
553 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
555 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
557 msg_Err( p_access, "CDDB disc ID calculation failed" );
561 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
566 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
568 cddb_read( p_cddb, p_access->p_sys->p_disc );
571 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
574 cddb_destroy( p_cddb);
578 #endif /*HAVE_LIBCDDB*/