static int GetTracks( access_t *p_access, input_item_t *p_current ) { access_sys_t *p_sys = p_access->p_sys; const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access), p_sys->vcddev, &p_sys->p_sectors ); if( i_titles <= 0 ) { if( i_titles < 0 ) msg_Err( p_access, "unable to count tracks" ); else if( i_titles <= 0 ) msg_Err( p_access, "no audio tracks found" ); return VLC_EGENERIC;; } /* */ input_item_SetName( p_current, "Audio CD" ); const char *psz_album = NULL; const char *psz_year = NULL; const char *psz_genre = NULL; const char *psz_artist = NULL; const char *psz_description = NULL; /* Return true if the given string is not NULL and not empty */ #define NONEMPTY( psz ) ( (psz) && *(psz) ) /* If the given string is NULL or empty, fill it by the return value of 'code' */ #define ON_EMPTY( psz, code ) do { if( !NONEMPTY( psz) ) { (psz) = code; } } while(0) /* Retreive CDDB information */ #ifdef HAVE_LIBCDDB char psz_year_buffer[4+1]; msg_Dbg( p_access, "fetching infos with CDDB" ); cddb_disc_t *p_disc = GetCDDBInfo( p_access, i_titles, p_sys->p_sectors ); if( p_disc ) { psz_album = cddb_disc_get_title( p_disc ); psz_genre = cddb_disc_get_genre( p_disc ); /* */ const unsigned i_year = cddb_disc_get_year( p_disc ); if( i_year > 0 ) { psz_year = psz_year_buffer; snprintf( psz_year_buffer, sizeof(psz_year_buffer), "%u", i_year ); } /* Set artist only if unique */ for( int i = 0; i < i_titles; i++ ) { cddb_track_t *t = cddb_disc_get_track( p_disc, i ); if( !t ) continue; const char *psz_track_artist = cddb_track_get_artist( t ); if( psz_artist && psz_track_artist && strcmp( psz_artist, psz_track_artist ) ) { psz_artist = NULL; break; } psz_artist = psz_track_artist; } } #endif /* CD-Text */ vlc_meta_t **pp_cd_text; int i_cd_text; if( ioctl_GetCdText( VLC_OBJECT(p_access), p_sys->vcddev, &pp_cd_text, &i_cd_text ) ) { msg_Dbg( p_access, "CD-TEXT information missing" ); i_cd_text = 0; pp_cd_text = NULL; } /* Retrieve CD-TEXT information but prefer CDDB */ if( i_cd_text > 0 && pp_cd_text[0] ) { const vlc_meta_t *p_disc = pp_cd_text[0]; ON_EMPTY( psz_album, vlc_meta_Get( p_disc, vlc_meta_Album ) ); ON_EMPTY( psz_genre, vlc_meta_Get( p_disc, vlc_meta_Genre ) ); ON_EMPTY( psz_artist, vlc_meta_Get( p_disc, vlc_meta_Artist ) ); ON_EMPTY( psz_description, vlc_meta_Get( p_disc, vlc_meta_Description ) ); } if( NONEMPTY( psz_album ) ) { input_item_SetName( p_current, psz_album ); input_item_SetAlbum( p_current, psz_album ); } if( NONEMPTY( psz_genre ) ) input_item_SetGenre( p_current, psz_genre ); if( NONEMPTY( psz_artist ) ) input_item_SetArtist( p_current, psz_artist ); if( NONEMPTY( psz_year ) ) input_item_SetDate( p_current, psz_year ); if( NONEMPTY( psz_description ) ) input_item_SetDescription( p_current, psz_description ); const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i_titles] - p_sys->p_sectors[0] ) * CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2; input_item_SetDuration( p_current, i_duration ); input_item_node_t *p_root = input_item_node_Create( p_current ); /* Build title table */ for( int i = 0; i < i_titles; i++ ) { input_item_t *p_input_item; char *psz_uri, *psz_opt, *psz_first, *psz_last; char *psz_name; msg_Dbg( p_access, "track[%d] start=%d", i, p_sys->p_sectors[i] ); /* */ if( asprintf( &psz_uri, "cdda://%s", p_access->psz_location ) == -1 ) psz_uri = NULL; if( asprintf( &psz_opt, "cdda-track=%i", i+1 ) == -1 ) psz_opt = NULL; if( asprintf( &psz_first, "cdda-first-sector=%i",p_sys->p_sectors[i] ) == -1 ) psz_first = NULL; if( asprintf( &psz_last, "cdda-last-sector=%i", p_sys->p_sectors[i+1] ) == -1 ) psz_last = NULL; /* Define a "default name" */ if( asprintf( &psz_name, _("Audio CD - Track %02i"), (i+1) ) == -1 ) psz_name = NULL; /* Create playlist items */ const mtime_t i_duration = (int64_t)( p_sys->p_sectors[i+1] - p_sys->p_sectors[i] ) * CDDA_DATA_SIZE * 1000000 / 44100 / 2 / 2; p_input_item = input_item_NewWithType( psz_uri, psz_name, 0, NULL, 0, i_duration, ITEM_TYPE_DISC ); input_item_CopyOptions( p_current, p_input_item ); input_item_AddOption( p_input_item, psz_first, VLC_INPUT_OPTION_TRUSTED ); input_item_AddOption( p_input_item, psz_last, VLC_INPUT_OPTION_TRUSTED ); input_item_AddOption( p_input_item, psz_opt, VLC_INPUT_OPTION_TRUSTED ); const char *psz_track_title = NULL; const char *psz_track_artist = NULL; const char *psz_track_genre = NULL; const char *psz_track_description = NULL; #ifdef HAVE_LIBCDDB /* Retreive CDDB information */ if( p_disc ) { cddb_track_t *t = cddb_disc_get_track( p_disc, i ); if( t != NULL ) { psz_track_title = cddb_track_get_title( t ); psz_track_artist = cddb_track_get_artist( t ); } } #endif /* Retreive CD-TEXT information but prefer CDDB */ if( i+1 < i_cd_text && pp_cd_text[i+1] ) { const vlc_meta_t *t = pp_cd_text[i+1]; ON_EMPTY( psz_track_title, vlc_meta_Get( t, vlc_meta_Title ) ); ON_EMPTY( psz_track_artist, vlc_meta_Get( t, vlc_meta_Artist ) ); ON_EMPTY( psz_track_genre, vlc_meta_Get( t, vlc_meta_Genre ) ); ON_EMPTY( psz_track_description, vlc_meta_Get( t, vlc_meta_Description ) ); } /* */ ON_EMPTY( psz_track_artist, psz_artist ); ON_EMPTY( psz_track_genre, psz_genre ); ON_EMPTY( psz_track_description, psz_description ); /* */ if( NONEMPTY( psz_track_title ) ) { input_item_SetName( p_input_item, psz_track_title ); input_item_SetTitle( p_input_item, psz_track_title ); } if( NONEMPTY( psz_track_artist ) ) input_item_SetArtist( p_input_item, psz_track_artist ); if( NONEMPTY( psz_track_genre ) ) input_item_SetGenre( p_input_item, psz_track_genre ); if( NONEMPTY( psz_track_description ) ) input_item_SetDescription( p_input_item, psz_track_description ); if( NONEMPTY( psz_album ) ) input_item_SetAlbum( p_input_item, psz_album ); if( NONEMPTY( psz_year ) ) input_item_SetDate( p_input_item, psz_year ); char psz_num[3+1]; snprintf( psz_num, sizeof(psz_num), "%d", 1+i ); input_item_SetTrackNum( p_input_item, psz_num ); input_item_node_AppendItem( p_root, p_input_item ); vlc_gc_decref( p_input_item ); free( psz_uri ); free( psz_opt ); free( psz_name ); free( psz_first ); free( psz_last ); } #undef ON_EMPTY #undef NONEMPTY input_item_node_PostAndDelete( p_root ); /* */ for( int i = 0; i < i_cd_text; i++ ) { vlc_meta_t *p_meta = pp_cd_text[i]; if( !p_meta ) continue; vlc_meta_Delete( p_meta ); } free( pp_cd_text ); #ifdef HAVE_LIBCDDB if( p_disc ) cddb_disc_destroy( p_disc ); #endif return VLC_SUCCESS; }
/***************************************************************************** * VCDOpen: open vcd *****************************************************************************/ static int Open( vlc_object_t *p_this ) { access_t *p_access = (access_t *)p_this; access_sys_t *p_sys; if( p_access->psz_filepath == NULL ) return VLC_EGENERIC; char *psz_dup = ToLocaleDup( p_access->psz_filepath ); char *psz; int i_title = 0; int i_chapter = 0; vcddev_t *vcddev; /* Command line: vcd://[dev_path][#title[,chapter]] */ if( ( psz = strchr( psz_dup, '#' ) ) ) { *psz++ = '\0'; i_title = strtol( psz, &psz, 0 ); if( *psz ) i_chapter = strtol( psz+1, &psz, 0 ); } if( *psz_dup == '\0' ) { free( psz_dup ); /* Only when selected */ if( strcmp( p_access->psz_access, "vcd" ) && strcmp( p_access->psz_access, "svcd" ) ) return VLC_EGENERIC; psz_dup = var_CreateGetString( p_access, "vcd" ); if( *psz_dup == '\0' ) { free( psz_dup ); return VLC_EGENERIC; } } #if defined( WIN32 ) || defined( __OS2__ ) if( psz_dup[0] && psz_dup[1] == ':' && psz_dup[2] == '\\' && psz_dup[3] == '\0' ) psz_dup[2] = '\0'; #endif /* Open VCD */ vcddev = ioctl_Open( p_this, psz_dup ); free( psz_dup ); if( !vcddev ) return VLC_EGENERIC; /* Set up p_access */ p_access->p_sys = p_sys = calloc( 1, sizeof( access_sys_t ) ); if( unlikely(!p_sys )) goto error; p_sys->vcddev = vcddev; /* We read the Table Of Content information */ p_sys->i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access), p_sys->vcddev, &p_sys->p_sectors ); if( p_sys->i_titles < 0 ) { msg_Err( p_access, "unable to count tracks" ); goto error; } else if( p_sys->i_titles <= 1 ) { msg_Err( p_access, "no movie tracks found" ); goto error; } /* The first title isn't usable */ p_sys->i_titles--; /* Build title table */ for( int i = 0; i < p_sys->i_titles; i++ ) { input_title_t *t = p_sys->title[i] = vlc_input_title_New(); msg_Dbg( p_access, "title[%d] start=%d", i, p_sys->p_sectors[1+i] ); msg_Dbg( p_access, "title[%d] end=%d", i, p_sys->p_sectors[i+2] ); t->i_size = ( p_sys->p_sectors[i+2] - p_sys->p_sectors[i+1] ) * (int64_t)VCD_DATA_SIZE; } /* Map entry points into chapters */ if( EntryPoints( p_access ) ) { msg_Warn( p_access, "could not read entry points, will not use them" ); } /* Starting title/chapter and sector */ if( i_title >= p_sys->i_titles ) i_title = 0; if( i_chapter >= p_sys->title[i_title]->i_seekpoint ) i_chapter = 0; p_sys->i_sector = p_sys->p_sectors[1+i_title]; if( i_chapter > 0 ) { p_sys->i_sector += ( p_sys->title[i_title]->seekpoint[i_chapter]->i_byte_offset / VCD_DATA_SIZE ); } /* p_access */ p_access->pf_read = NULL; p_access->pf_block = Block; p_access->pf_control = Control; p_access->pf_seek = Seek; p_access->info.i_update = 0; p_access->info.b_eof = false; p_access->info.i_title = i_title; p_access->info.i_seekpoint = i_chapter; p_access->info.i_size = p_sys->title[i_title]->i_size; p_access->info.i_pos = (uint64_t)( p_sys->i_sector - p_sys->p_sectors[1+i_title] ) * VCD_DATA_SIZE; free( p_access->psz_demux ); p_access->psz_demux = strdup( "ps" ); return VLC_SUCCESS; error: ioctl_Close( VLC_OBJECT(p_access), vcddev ); free( p_sys ); return VLC_EGENERIC; }
/***************************************************************************** * Open: open cdda *****************************************************************************/ static int Open( vlc_object_t *p_this ) { access_t *p_access = (access_t*)p_this; access_sys_t *p_sys; vcddev_t *vcddev; char *psz_name; if( !p_access->psz_filepath || !*p_access->psz_filepath ) { /* Only when selected */ if( !p_access->psz_access || !*p_access->psz_access ) return VLC_EGENERIC; psz_name = var_InheritString( p_this, "cd-audio" ); if( !psz_name ) return VLC_EGENERIC; } else psz_name = ToLocaleDup( p_access->psz_filepath ); #if defined( _WIN32 ) || defined( __OS2__ ) if( psz_name[0] && psz_name[1] == ':' && psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0'; #endif /* Open CDDA */ if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name ) ) == NULL ) { msg_Warn( p_access, "could not open %s", psz_name ); free( psz_name ); return VLC_EGENERIC; } free( psz_name ); /* Set up p_access */ STANDARD_BLOCK_ACCESS_INIT p_sys->vcddev = vcddev; /* Do we play a single track ? */ p_sys->i_track = var_InheritInteger( p_access, "cdda-track" ) - 1; if( p_sys->i_track < 0 ) { /* We only do separate items if the whole disc is requested */ input_thread_t *p_input = access_GetParentInput( p_access ); int i_ret = -1; if( p_input ) { input_item_t *p_current = input_GetItem( p_input ); if( p_current ) i_ret = GetTracks( p_access, p_current ); vlc_object_release( p_input ); } if( i_ret < 0 ) goto error; } else { /* Build a WAV header for the output data */ memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) ); SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/ SetWLE( &p_sys->waveheader.BitsPerSample, 16); p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F'); p_sys->waveheader.Length = 0; /* we just don't know */ p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E'); p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' '); SetDWLE( &p_sys->waveheader.SubChunkLength, 16); SetWLE( &p_sys->waveheader.Modus, 2); SetDWLE( &p_sys->waveheader.SampleFreq, 44100); SetWLE( &p_sys->waveheader.BytesPerSample, 2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 ); SetDWLE( &p_sys->waveheader.BytesPerSec, 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ ); p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a'); p_sys->waveheader.DataLength = 0; /* we just don't know */ p_sys->i_first_sector = var_InheritInteger( p_access, "cdda-first-sector" ); p_sys->i_last_sector = var_InheritInteger( p_access, "cdda-last-sector" ); /* Tracknumber in MRL */ if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 ) { const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access), p_sys->vcddev, &p_sys->p_sectors ); if( p_sys->i_track >= i_titles ) { msg_Err( p_access, "invalid track number" ); goto error; } p_sys->i_first_sector = p_sys->p_sectors[p_sys->i_track]; p_sys->i_last_sector = p_sys->p_sectors[p_sys->i_track+1]; } p_sys->i_sector = p_sys->i_first_sector; p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector) * (int64_t)CDDA_DATA_SIZE; } return VLC_SUCCESS; error: free( p_sys->p_sectors ); ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev ); free( p_sys ); return VLC_EGENERIC; }