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76 lines
2.6 KiB
76 lines
2.6 KiB
/*****************************************************************************
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* ID3Text.h : ID3v2 Text Helper
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*****************************************************************************
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* Copyright (C) 2016 VLC authors and VideoLAN
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef ID3TEXT_H
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#define ID3TEXT_H
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#include <vlc_charset.h>
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static const char * ID3TextConv( const uint8_t *p_buf, size_t i_buf,
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uint8_t i_charset, char **ppsz_allocated )
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{
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char *p_alloc = NULL;
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const char *psz = p_alloc;
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if( i_buf > 0 && i_charset < 0x04 )
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{
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switch( i_charset )
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{
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case 0x00:
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psz = p_alloc = FromCharset( "ISO_8859-1", p_buf, i_buf );
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break;
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case 0x01:
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psz = p_alloc = FromCharset( "UTF-16LE", p_buf, i_buf );
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break;
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case 0x02:
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psz = p_alloc = FromCharset( "UTF-16BE", p_buf, i_buf );
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break;
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default:
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case 0x03:
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if( p_buf[ i_buf - 1 ] != 0x00 )
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{
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psz = p_alloc = (char *) malloc( i_buf + 1 );
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if( p_alloc )
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{
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memcpy( p_alloc, p_buf, i_buf );
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p_alloc[i_buf] = '\0';
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}
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}
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else
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{
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psz = (const char *) p_buf;
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}
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break;
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}
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}
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*ppsz_allocated = p_alloc;
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return psz;
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}
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static inline const char * ID3TextConvert( const uint8_t *p_buf, size_t i_buf,
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char **ppsz_allocated )
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{
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if( i_buf == 0 )
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{
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*ppsz_allocated = NULL;
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return NULL;
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}
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return ID3TextConv( &p_buf[1], i_buf - 1, p_buf[0], ppsz_allocated );
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}
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#endif
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