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"
49 #warning playlist code must not be used here.
50 #include <vlc_playlist.h>
53 #include <cddb/cddb.h>
60 /*****************************************************************************
62 *****************************************************************************/
63 static int Open ( vlc_object_t * );
64 static void Close( vlc_object_t * );
66 #define CACHING_TEXT N_("Caching value in ms")
67 #define CACHING_LONGTEXT N_( \
68 "Default caching value for Audio CDs. This " \
69 "value should be set in milliseconds." )
72 set_shortname( N_("Audio CD"));
73 set_description( N_("Audio CD input") );
74 set_capability( "access", 10 );
75 set_category( CAT_INPUT );
76 set_subcategory( SUBCAT_INPUT_ACCESS );
77 set_callbacks( Open, Close );
79 add_usage_hint( N_("[cdda:][device][@[track]]") );
80 add_integer( "cdda-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
81 CACHING_LONGTEXT, true );
83 add_integer( "cdda-track", -1 , NULL, NULL, NULL, true );
85 add_integer( "cdda-first-sector", -1, NULL, NULL, NULL, true );
87 add_integer( "cdda-last-sector", -1, NULL, NULL, NULL, true );
90 add_string( "cddb-server", "freedb.freedb.org", NULL,
91 N_( "CDDB Server" ), N_( "Address of the CDDB server to use." ),
93 add_integer( "cddb-port", 8880, NULL,
94 N_( "CDDB port" ), N_( "CDDB Server port to use." ),
96 add_shortcut( "cdda" );
97 add_shortcut( "cddasimple" );
101 /* how many blocks VCDRead will read in each loop */
102 #define CDDA_BLOCKS_ONCE 20
103 #define CDDA_DATA_ONCE (CDDA_BLOCKS_ONCE * CDDA_DATA_SIZE)
105 /*****************************************************************************
106 * Access: local prototypes
107 *****************************************************************************/
110 vcddev_t *vcddev; /* vcd device descriptor */
112 /* Current position */
113 int i_sector; /* Current Sector */
114 int * p_sectors; /* Track sectors */
116 /* Wave header for the output data */
117 WAVEHEADER waveheader;
129 static block_t *Block( access_t * );
130 static int Seek( access_t *, int64_t );
131 static int Control( access_t *, int, va_list );
133 static int GetTracks( access_t *p_access, playlist_t *p_playlist,
134 playlist_item_t *p_parent );
137 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
140 /*****************************************************************************
142 *****************************************************************************/
143 static int Open( vlc_object_t *p_this )
145 access_t *p_access = (access_t*)p_this;
149 int i_mrl_tracknum = -1;
152 if( !p_access->psz_path || !*p_access->psz_path )
154 /* Only when selected */
155 if( !p_this->b_force ) return VLC_EGENERIC;
157 psz_name = var_CreateGetString( p_this, "cd-audio" );
158 if( !psz_name || !*psz_name )
164 else psz_name = ToLocaleDup( p_access->psz_path );
167 if( psz_name[0] && psz_name[1] == ':' &&
168 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
172 if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
174 msg_Warn( p_access, "could not open %s", psz_name );
180 /* Set up p_access */
181 STANDARD_BLOCK_ACCESS_INIT
182 p_sys->vcddev = vcddev;
184 /* Do we play a single track ? */
185 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" );
187 if( p_sys->i_track < 0 && i_mrl_tracknum <= 0 )
189 /* We only do separate items if the whole disc is requested */
190 playlist_t *p_playlist = pl_Yield( p_access );
195 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
198 input_item_t *p_current = input_GetItem( p_input );
199 playlist_item_t *p_item;
201 if( p_playlist->status.p_item->p_input == p_current )
202 p_item = p_playlist->status.p_item;
204 p_item = playlist_ItemGetByInput( p_playlist, p_current, pl_Unlocked );
207 i_ret = GetTracks( p_access, p_playlist, p_item );
209 msg_Dbg( p_playlist, "unable to find item in playlist");
210 vlc_object_release( p_input );
212 pl_Release( p_access );
219 /* Build a WAV header for the output data */
220 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
221 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
222 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
223 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
224 p_sys->waveheader.Length = 0; /* we just don't know */
225 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
226 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
227 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
228 SetWLE( &p_sys->waveheader.Modus, 2);
229 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
230 SetWLE( &p_sys->waveheader.BytesPerSample,
231 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
232 SetDWLE( &p_sys->waveheader.BytesPerSec,
233 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
234 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
235 p_sys->waveheader.DataLength = 0; /* we just don't know */
237 p_sys->i_first_sector = var_CreateGetInteger( p_access,
238 "cdda-first-sector" );
239 p_sys->i_last_sector = var_CreateGetInteger( p_access,
240 "cdda-last-sector" );
241 /* Tracknumber in MRL */
242 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
245 if( i_mrl_tracknum <= 0 )
247 msg_Err( p_access, "wrong sector information" );
250 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
251 p_sys->vcddev, &p_sys->p_sectors );
255 p_sys->i_sector = p_sys->i_first_sector;
256 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
257 * (int64_t)CDDA_DATA_SIZE;
261 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
266 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
271 /*****************************************************************************
273 *****************************************************************************/
274 static void Close( vlc_object_t *p_this )
276 access_t *p_access = (access_t *)p_this;
277 access_sys_t *p_sys = p_access->p_sys;
278 ioctl_Close( p_this, p_sys->vcddev );
282 /*****************************************************************************
283 * Block: read data (CDDA_DATA_ONCE)
284 *****************************************************************************/
285 static block_t *Block( access_t *p_access )
287 access_sys_t *p_sys = p_access->p_sys;
288 int i_blocks = CDDA_BLOCKS_ONCE;
291 if( p_sys->i_track < 0 ) p_access->info.b_eof = true;
293 /* Check end of file */
294 if( p_access->info.b_eof ) return NULL;
296 if( !p_sys->b_header )
298 /* Return only the header */
299 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
300 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
301 p_sys->b_header = true;
305 if( p_sys->i_sector >= p_sys->i_last_sector )
307 p_access->info.b_eof = true;
311 /* Don't read too far */
312 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
313 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
315 /* Do the actual reading */
316 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
318 msg_Err( p_access, "cannot get a new block of size: %i",
319 i_blocks * CDDA_DATA_SIZE );
323 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
324 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
326 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
327 block_Release( p_block );
329 /* Try to skip one sector (in case of bad sectors) */
331 p_access->info.i_pos += CDDA_DATA_SIZE;
335 /* Update a few values */
336 p_sys->i_sector += i_blocks;
337 p_access->info.i_pos += p_block->i_buffer;
342 /****************************************************************************
344 ****************************************************************************/
345 static int Seek( access_t *p_access, int64_t i_pos )
347 access_sys_t *p_sys = p_access->p_sys;
349 /* Next sector to read */
350 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
351 p_access->info.i_pos = i_pos;
356 /*****************************************************************************
358 *****************************************************************************/
359 static int Control( access_t *p_access, int i_query, va_list args )
367 case ACCESS_CAN_SEEK:
368 case ACCESS_CAN_FASTSEEK:
369 case ACCESS_CAN_PAUSE:
370 case ACCESS_CAN_CONTROL_PACE:
371 pb_bool = (bool*)va_arg( args, bool* );
376 pi_int = (int*)va_arg( args, int * );
377 *pi_int = CDDA_DATA_ONCE;
380 case ACCESS_GET_PTS_DELAY:
381 pi_64 = (int64_t*)va_arg( args, int64_t * );
382 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
385 case ACCESS_SET_PAUSE_STATE:
386 case ACCESS_GET_TITLE_INFO:
387 case ACCESS_SET_TITLE:
388 case ACCESS_GET_META:
389 case ACCESS_SET_SEEKPOINT:
390 case ACCESS_SET_PRIVATE_ID_STATE:
391 case ACCESS_GET_CONTENT_TYPE:
395 msg_Warn( p_access, "unimplemented query in control" );
402 static int GetTracks( access_t *p_access,
403 playlist_t *p_playlist, playlist_item_t *p_parent )
405 access_sys_t *p_sys = p_access->p_sys;
407 input_item_t *p_input_item;
408 playlist_item_t *p_item_in_category;
410 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
411 p_sys->vcddev, &p_sys->p_sectors );
414 msg_Err( p_access, "unable to count tracks" );
415 return VLC_EGENERIC;;
417 else if( i_titles <= 0 )
419 msg_Err( p_access, "no audio tracks found" );
423 p_item_in_category = playlist_ItemToNode( p_playlist, p_parent, pl_Unlocked );
424 playlist_ItemSetName( p_parent, "Audio CD" );
425 var_SetInteger( p_playlist, "item-change", p_parent->p_input->i_id );
428 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
431 if( cddb_disc_get_title( p_sys->p_disc ) )
433 const char *psz_name = cddb_disc_get_title( p_sys->p_disc );
434 playlist_ItemSetName( p_parent, psz_name );
435 var_SetInteger( p_playlist, "item-change",
436 p_parent->p_input->i_id );
441 /* Build title table */
442 for( i = 0; i < i_titles; i++ )
444 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
445 char *psz_uri, *psz_opt, *psz_first, *psz_last;
446 int i_path_len = p_access->psz_path ? strlen( p_access->psz_path ) : 0;
448 psz_name = (char*)malloc( strlen( _("Audio CD - Track ") ) + 5 );
449 psz_opt = (char*)malloc( strlen( "cdda-track=" ) + 3 );
450 psz_first = (char*)malloc( strlen( "cdda-first-sector=" ) + 7 );
451 psz_last = (char*)malloc( strlen( "cdda-last-sector=" ) + 7 );
452 psz_uri = (char*)malloc( i_path_len + 13 );
454 snprintf( psz_uri, i_path_len + 13, "cdda://%s",
455 p_access->psz_path ? p_access->psz_path : "" );
456 sprintf( psz_opt, "cdda-track=%i", i+1 );
457 sprintf( psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] );
459 // if( i != i_titles -1 )
460 sprintf( psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] );
462 // sprintf( psz_last, "cdda-last-sector=%i", 1242 /* FIXME */);
464 /* Define a "default name" */
465 sprintf( psz_name, _("Audio CD - Track %i"), (i+1) );
467 /* Create playlist items */
468 p_input_item = input_ItemNewWithType( VLC_OBJECT( p_playlist ),
469 psz_uri, psz_name, 0, NULL, -1,
471 input_ItemAddOption( p_input_item, psz_first );
472 input_ItemAddOption( p_input_item, psz_last );
473 input_ItemAddOption( p_input_item, psz_opt );
476 /* If we have CDDB info, change the name */
479 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
482 if( cddb_track_get_title( t ) != NULL )
484 free( p_input_item->psz_name );
485 p_input_item->psz_name = strdup( cddb_track_get_title( t ) );
486 input_item_SetTitle( p_input_item, cddb_track_get_title( t ) );
488 if( cddb_track_get_artist( t ) != NULL )
490 input_item_SetArtist( p_input_item, cddb_track_get_artist( t ) );
495 int i_ret = playlist_BothAddInput( p_playlist, p_input_item,
497 PLAYLIST_APPEND, PLAYLIST_END, NULL, NULL,
499 vlc_gc_decref( p_input_item );
500 free( psz_uri ); free( psz_opt ); free( psz_name );
501 free( psz_first ); free( psz_last );
502 if( i_ret != VLC_SUCCESS )
509 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
512 int64_t i_length = 0, i_size = 0;
513 cddb_conn_t *p_cddb = cddb_new();
517 msg_Warn( p_access, "unable to use CDDB" );
521 char* psz_tmp = config_GetPsz( p_access, "cddb-server" );
522 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
523 cddb_set_server_name( p_cddb, psz_tmp );
524 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
528 cddb_cache_disable( p_cddb );
530 // cddb_cache_set_dir( p_cddb,
531 // config_GetPsz( p_access,
532 // MODULE_STRING "-cddb-cachedir") );
534 cddb_set_timeout( p_cddb, 10 );
537 cddb_http_disable( p_cddb);
539 p_access->p_sys->p_disc = cddb_disc_new();
541 if(! p_access->p_sys->p_disc )
543 msg_Err( p_access, "unable to create CDDB disc structure." );
547 for(i = 0; i < i_titles ; i++ )
549 cddb_track_t *t = cddb_track_new();
550 cddb_track_set_frame_offset(t, p_sectors[i] );
551 cddb_disc_add_track( p_access->p_sys->p_disc, t );
552 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
553 (int64_t)CDDA_DATA_SIZE;
554 i_length += INT64_C(1000000) * i_size / 44100 / 4 ;
557 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
559 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
561 msg_Err( p_access, "CDDB disc ID calculation failed" );
565 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
570 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
572 cddb_read( p_cddb, p_access->p_sys->p_disc );
575 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
578 cddb_destroy( p_cddb);
582 #endif /*HAVE_LIBCDDB*/