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106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
#ifndef WM_CDTEXT_H
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#define WM_CDTEXT_H
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/*
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* This file is part of WorkMan, the civilized CD player library
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* Copyright (C) Alexander Kern <alex.kern@gmx.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*
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* cdtext base structure and defines
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*/
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#define MAX_LENGHT_OF_CDTEXT_STRING 162 /* max 160 bytes + 2 * 0x00 by UNICODES */
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#define DATAFIELD_LENGHT_IN_PACK 12
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#define MAX_LANGUAGE_BLOCKS 8
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struct cdtext_pack_data_header {
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unsigned char header_field_id1_typ_of_pack;
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unsigned char header_field_id2_tracknumber;
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unsigned char header_field_id3_sequence;
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unsigned char header_field_id4_block_no;
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unsigned char text_data_field[DATAFIELD_LENGHT_IN_PACK];
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unsigned char crc_byte1;
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unsigned char crc_byte2;
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};
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typedef unsigned char cdtext_string[MAX_LENGHT_OF_CDTEXT_STRING];
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/* meke it more generic
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it can be up to 8 blocks with different encoding */
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struct cdtext_info_block {
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/* management */
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unsigned char block_code;
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unsigned char block_unicode; /* 0 - single chars, 1 - doublebytes */
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unsigned char block_encoding; /* orange book -? */
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cdtext_string* block_encoding_text;
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/* variable part of cdtext */
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cdtext_string* name;
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cdtext_string* performer;
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cdtext_string* songwriter;
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cdtext_string* composer;
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cdtext_string* arranger;
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cdtext_string* message;
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cdtext_string* UPC_EAN_ISRC_code;
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/* fix part of cdtext */
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unsigned char binary_disc_identification_info[DATAFIELD_LENGHT_IN_PACK];
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unsigned char binary_genreidentification_info[DATAFIELD_LENGHT_IN_PACK];
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unsigned char binary_size_information[DATAFIELD_LENGHT_IN_PACK];
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};
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struct cdtext_info {
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/* somethimes i get hunderts of bytes, without anyone valid pack
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my CDU-561 for example */
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int count_of_entries; /* one more because album need one too */
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int count_of_valid_packs;
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int count_of_invalid_packs;
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int valid;
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struct cdtext_info_block *blocks[MAX_LANGUAGE_BLOCKS];
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};
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#ifndef IGNORE_FEATURE_LIST
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struct feature_list_header {
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unsigned char lenght_msb;
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unsigned char lenght_1sb;
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unsigned char lenght_2sb;
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unsigned char lenght_lsb;
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unsigned char reserved1;
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unsigned char reserved2;
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unsigned char profile_msb;
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unsigned char profile_lsb;
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};
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struct feature_descriptor_cdread {
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unsigned char feature_code_msb;
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unsigned char feature_code_lsb;
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unsigned char settings;
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unsigned char add_lenght;
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unsigned char add_settings;
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unsigned char reserved1;
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unsigned char reserved2;
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unsigned char reserved3;
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};
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#endif /* IGNORE_FEATURE_LIST */
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struct cdtext_info* wm_cd_get_cdtext(void *p);
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#endif /* WM_CDTEXT_H */
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