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/*****************************************************************************
* ID3Text.h : ID3v2 Text Helper
*****************************************************************************
* Copyright (C) 2016 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef ID3TEXT_H
#define ID3TEXT_H
#include <vlc_charset.h>
static const char * ID3TextConv( const uint8_t *p_buf, size_t i_buf,
uint8_t i_charset, char **ppsz_allocated )
{
char *p_alloc = NULL;
const char *psz = p_alloc;
if( i_buf > 0 && i_charset < 0x04 )
{
switch( i_charset )
{
case 0x00:
psz = p_alloc = FromCharset( "ISO_8859-1", p_buf, i_buf );
break;
case 0x01:
psz = p_alloc = FromCharset( "UTF-16LE", p_buf, i_buf );
break;
case 0x02:
psz = p_alloc = FromCharset( "UTF-16BE", p_buf, i_buf );
break;
default:
case 0x03:
if( p_buf[ i_buf - 1 ] != 0x00 )
{
psz = p_alloc = (char *) malloc( i_buf + 1 );
if( p_alloc )
{
memcpy( p_alloc, p_buf, i_buf );
p_alloc[i_buf] = '\0';
}
}
else
{
psz = (const char *) p_buf;
}
break;
}
}
*ppsz_allocated = p_alloc;
return psz;
}
static inline const char * ID3TextConvert( const uint8_t *p_buf, size_t i_buf,
char **ppsz_allocated )
{
if( i_buf == 0 )
{
*ppsz_allocated = NULL;
return NULL;
}
return ID3TextConv( &p_buf[1], i_buf - 1, p_buf[0], ppsz_allocated );
}
#endif
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