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spec.cpp
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109 lines (99 loc) · 2.41 KB
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// $Id: spec.cpp,v 1.1 2006/01/17 21:09:53 stulleamgym Exp $
// id3lib: a C++ library for creating and manipulating id3v1/v2 tags
// Copyright 1999, 2000 Scott Thomas Haug
// Copyright 2002 Thijmen Klok (thijmen@id3lib.org)
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// This library 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 Library General Public
// License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// The id3lib authors encourage improvements and optimisations to be sent to
// the id3lib coordinator. Please see the README file for details on where to
// send such submissions. See the AUTHORS file for a list of people who have
// contributed to id3lib. See the ChangeLog file for a list of changes to
// id3lib. These files are distributed with id3lib at
// http://download.sourceforge.net/id3lib/
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
#include "spec.h"
ID3_V2Spec ID3_VerRevToV2Spec(uchar ver, uchar rev)
{
ID3_V2Spec spec = ID3V2_UNKNOWN;
if (2 == ver)
{
if (0 == rev)
{
spec = ID3V2_2_0;
}
else if (1 == rev)
{
spec = ID3V2_2_1;
}
}
else if (3 == ver)
{
if (0 == rev)
{
spec = ID3V2_3_0;
}
}
else if (4 == ver)
{
if (0 == rev)
{
spec = ID3V2_4_0;
}
}
return spec;
}
uchar ID3_V2SpecToVer(ID3_V2Spec spec)
{
uchar ver = 0;
switch (spec)
{
case ID3V2_2_0:
case ID3V2_2_1:
ver = 2;
break;
case ID3V2_3_0:
ver = 3;
break;
case ID3V2_4_0:
ver = 4;
break;
default:
break;
}
return ver;
}
uchar ID3_V2SpecToRev(ID3_V2Spec spec)
{
uchar rev = 0;
switch (spec)
{
case ID3V2_4_0:
rev = 0;
break;
case ID3V2_3_0:
rev = 0;
break;
case ID3V2_2_1:
rev = 1;
break;
case ID3V2_2_0:
rev = 0;
break;
default:
break;
}
return rev;
}