| // $Id: spec.cpp,v 1.2 2002/07/31 13:20:49 t1mpy 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; |
| } |
| |