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"
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( N_("Audio CD"))
70 set_description( N_("Audio CD input") )
71 set_capability( "access", 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, true );
80 add_integer( "cdda-track", -1 , NULL, NULL, NULL, true )
82 add_integer( "cdda-first-sector", -1, NULL, NULL, NULL, true )
84 add_integer( "cdda-last-sector", -1, NULL, NULL, NULL, 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, input_item_t *p_current );
133 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors );
136 /*****************************************************************************
138 *****************************************************************************/
139 static int Open( vlc_object_t *p_this )
141 access_t *p_access = (access_t*)p_this;
145 int i_mrl_tracknum = -1;
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 )
160 else psz_name = ToLocaleDup( 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 STANDARD_BLOCK_ACCESS_INIT
178 p_sys->vcddev = vcddev;
180 /* Do we play a single track ? */
181 p_sys->i_track = var_CreateGetInteger( p_access, "cdda-track" );
183 if( p_sys->i_track < 0 && i_mrl_tracknum <= 0 )
185 /* We only do separate items if the whole disc is requested */
186 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
191 input_item_t *p_current = input_GetItem( p_input );
193 i_ret = GetTracks( p_access, p_current );
195 vlc_object_release( p_input );
202 /* Build a WAV header for the output data */
203 memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
204 SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
205 SetWLE( &p_sys->waveheader.BitsPerSample, 16);
206 p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
207 p_sys->waveheader.Length = 0; /* we just don't know */
208 p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
209 p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
210 SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
211 SetWLE( &p_sys->waveheader.Modus, 2);
212 SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
213 SetWLE( &p_sys->waveheader.BytesPerSample,
214 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
215 SetDWLE( &p_sys->waveheader.BytesPerSec,
216 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
217 p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
218 p_sys->waveheader.DataLength = 0; /* we just don't know */
220 p_sys->i_first_sector = var_CreateGetInteger( p_access,
221 "cdda-first-sector" );
222 p_sys->i_last_sector = var_CreateGetInteger( p_access,
223 "cdda-last-sector" );
224 /* Tracknumber in MRL */
225 if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
228 if( i_mrl_tracknum <= 0 )
230 msg_Err( p_access, "wrong sector information" );
233 i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
234 p_sys->vcddev, &p_sys->p_sectors );
238 p_sys->i_sector = p_sys->i_first_sector;
239 p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
240 * (int64_t)CDDA_DATA_SIZE;
244 var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
249 ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
254 /*****************************************************************************
256 *****************************************************************************/
257 static void Close( vlc_object_t *p_this )
259 access_t *p_access = (access_t *)p_this;
260 access_sys_t *p_sys = p_access->p_sys;
261 ioctl_Close( p_this, p_sys->vcddev );
265 /*****************************************************************************
266 * Block: read data (CDDA_DATA_ONCE)
267 *****************************************************************************/
268 static block_t *Block( access_t *p_access )
270 access_sys_t *p_sys = p_access->p_sys;
271 int i_blocks = CDDA_BLOCKS_ONCE;
274 if( p_sys->i_track < 0 ) p_access->info.b_eof = true;
276 /* Check end of file */
277 if( p_access->info.b_eof ) return NULL;
279 if( !p_sys->b_header )
281 /* Return only the header */
282 p_block = block_New( p_access, sizeof( WAVEHEADER ) );
283 memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
284 p_sys->b_header = true;
288 if( p_sys->i_sector >= p_sys->i_last_sector )
290 p_access->info.b_eof = true;
294 /* Don't read too far */
295 if( p_sys->i_sector + i_blocks >= p_sys->i_last_sector )
296 i_blocks = p_sys->i_last_sector - p_sys->i_sector;
298 /* Do the actual reading */
299 if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
301 msg_Err( p_access, "cannot get a new block of size: %i",
302 i_blocks * CDDA_DATA_SIZE );
306 if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
307 p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
309 msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
310 block_Release( p_block );
312 /* Try to skip one sector (in case of bad sectors) */
314 p_access->info.i_pos += CDDA_DATA_SIZE;
318 /* Update a few values */
319 p_sys->i_sector += i_blocks;
320 p_access->info.i_pos += p_block->i_buffer;
325 /****************************************************************************
327 ****************************************************************************/
328 static int Seek( access_t *p_access, int64_t i_pos )
330 access_sys_t *p_sys = p_access->p_sys;
332 /* Next sector to read */
333 p_sys->i_sector = p_sys->i_first_sector + i_pos / CDDA_DATA_SIZE;
334 p_access->info.i_pos = i_pos;
339 /*****************************************************************************
341 *****************************************************************************/
342 static int Control( access_t *p_access, int i_query, va_list args )
349 case ACCESS_CAN_SEEK:
350 case ACCESS_CAN_FASTSEEK:
351 case ACCESS_CAN_PAUSE:
352 case ACCESS_CAN_CONTROL_PACE:
353 pb_bool = (bool*)va_arg( args, bool* );
357 case ACCESS_GET_PTS_DELAY:
358 pi_64 = (int64_t*)va_arg( args, int64_t * );
359 *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * INT64_C(1000);
362 case ACCESS_SET_PAUSE_STATE:
365 case ACCESS_GET_TITLE_INFO:
366 case ACCESS_SET_TITLE:
367 case ACCESS_GET_META:
368 case ACCESS_SET_SEEKPOINT:
369 case ACCESS_SET_PRIVATE_ID_STATE:
370 case ACCESS_GET_CONTENT_TYPE:
374 msg_Warn( p_access, "unimplemented query in control" );
380 static int GetTracks( access_t *p_access, input_item_t *p_current )
382 access_sys_t *p_sys = p_access->p_sys;
384 const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
385 p_sys->vcddev, &p_sys->p_sectors );
389 msg_Err( p_access, "unable to count tracks" );
390 else if( i_titles <= 0 )
391 msg_Err( p_access, "no audio tracks found" );
392 return VLC_EGENERIC;;
395 input_item_SetName( p_current, "Audio CD" );
398 GetCDDBInfo( p_access, i_titles, p_sys->p_sectors );
401 const char *psz_name = cddb_disc_get_title( p_sys->p_disc );
402 if( psz_name && *psz_name )
403 input_item_SetName( p_current, psz_name );
407 /* Build title table */
408 for( int i = 0; i < i_titles; i++ )
410 input_item_t *p_input_item;
412 char *psz_uri, *psz_opt, *psz_first, *psz_last;
415 msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] );
418 if( asprintf( &psz_uri, "cdda://%s", p_access->psz_path ) == -1 )
420 if( asprintf( &psz_opt, "cdda-track=%i", i+1 ) == -1 )
422 if( asprintf( &psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] ) == -1 )
424 if( asprintf( &psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] ) == -1 )
427 /* Define a "default name" */
428 if( asprintf( &psz_name, _("Audio CD - Track %02i"), (i+1) ) == -1 )
431 /* Create playlist items */
432 const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i+1] - p_sys->p_sectors[i] ) *
433 CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2;
434 p_input_item = input_item_NewWithType( VLC_OBJECT( p_access ),
435 psz_uri, psz_name, 0, NULL, 0, i_duration,
437 input_item_CopyOptions( p_current, p_input_item );
438 input_item_AddOption( p_input_item, psz_first, VLC_INPUT_OPTION_TRUSTED );
439 input_item_AddOption( p_input_item, psz_last, VLC_INPUT_OPTION_TRUSTED );
440 input_item_AddOption( p_input_item, psz_opt, VLC_INPUT_OPTION_TRUSTED );
443 /* If we have CDDB info, change the name */
446 cddb_track_t *t = cddb_disc_get_track( p_sys->p_disc, i );
449 const char *psz_title = cddb_track_get_title( t );
450 const char *psz_artist = cddb_track_get_artist( t );
454 input_item_SetName( p_input_item, psz_title );
455 input_item_SetTitle( p_input_item, psz_title );
458 input_item_SetArtist( p_input_item, psz_artist );
462 input_item_AddSubItem( p_current, p_input_item );
463 vlc_gc_decref( p_input_item );
464 free( psz_uri ); free( psz_opt ); free( psz_name );
465 free( psz_first ); free( psz_last );
471 static void GetCDDBInfo( access_t *p_access, int i_titles, int *p_sectors )
474 int64_t i_length = 0, i_size = 0;
475 cddb_conn_t *p_cddb = cddb_new();
479 msg_Warn( p_access, "unable to use CDDB" );
483 char* psz_tmp = config_GetPsz( p_access, "cddb-server" );
484 cddb_set_email_address( p_cddb, "vlc@videolan.org" );
485 cddb_set_server_name( p_cddb, psz_tmp );
486 cddb_set_server_port( p_cddb, config_GetInt( p_access, "cddb-port" ) );
490 cddb_cache_disable( p_cddb );
492 // cddb_cache_set_dir( p_cddb,
493 // config_GetPsz( p_access,
494 // MODULE_STRING "-cddb-cachedir") );
496 cddb_set_timeout( p_cddb, 10 );
499 cddb_http_disable( p_cddb);
501 p_access->p_sys->p_disc = cddb_disc_new();
503 if(! p_access->p_sys->p_disc )
505 msg_Err( p_access, "unable to create CDDB disc structure." );
509 for(i = 0; i < i_titles ; i++ )
511 cddb_track_t *t = cddb_track_new();
512 cddb_track_set_frame_offset(t, p_sectors[i] );
513 cddb_disc_add_track( p_access->p_sys->p_disc, t );
514 i_size = ( p_sectors[i+1] - p_sectors[i] ) *
515 (int64_t)CDDA_DATA_SIZE;
516 i_length += INT64_C(1000000) * i_size / 44100 / 4 ;
519 cddb_disc_set_length( p_access->p_sys->p_disc, (int)(i_length/1000000) );
521 if (!cddb_disc_calc_discid(p_access->p_sys->p_disc ))
523 msg_Err( p_access, "CDDB disc ID calculation failed" );
527 i_matches = cddb_query( p_cddb, p_access->p_sys->p_disc);
532 msg_Warn( p_access, "found %d matches in CDDB. Using first one.",
534 cddb_read( p_cddb, p_access->p_sys->p_disc );
537 msg_Warn( p_access, "CDDB error: %s", cddb_error_str(errno));
540 cddb_destroy( p_cddb);
544 #endif /*HAVE_LIBCDDB*/