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-rw-r--r--faad2/src/libfaad/ms.c77
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diff --git a/faad2/src/libfaad/ms.c b/faad2/src/libfaad/ms.c
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--- a/faad2/src/libfaad/ms.c
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-/*
-** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
-** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU General Public License as published by
-** the Free Software Foundation; either version 2 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 General Public License for more details.
-**
-** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-**
-** Any non-GPL usage of this software or parts of this software is strictly
-** forbidden.
-**
-** The "appropriate copyright message" mentioned in section 2c of the GPLv2
-** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"
-**
-** Commercial non-GPL licensing of this software is possible.
-** For more info contact Nero AG through Mpeg4AAClicense@nero.com.
-**
-** $Id: ms.c,v 1.21 2007/11/01 12:33:32 menno Exp $
-**/
-
-#include "common.h"
-#include "structs.h"
-
-#include "syntax.h"
-#include "ms.h"
-#include "is.h"
-#include "pns.h"
-
-void ms_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec,
- uint16_t frame_len)
-{
- uint8_t g, b, sfb;
- uint8_t group = 0;
- uint16_t nshort = frame_len/8;
-
- uint16_t i, k;
- real_t tmp;
-
- if (ics->ms_mask_present >= 1)
- {
- for (g = 0; g < ics->num_window_groups; g++)
- {
- for (b = 0; b < ics->window_group_length[g]; b++)
- {
- for (sfb = 0; sfb < ics->max_sfb; sfb++)
- {
- /* If intensity stereo coding or noise substitution is on
- for a particular scalefactor band, no M/S stereo decoding
- is carried out.
- */
- if ((ics->ms_used[g][sfb] || ics->ms_mask_present == 2) &&
- !is_intensity(icsr, g, sfb) && !is_noise(ics, g, sfb))
- {
- for (i = ics->swb_offset[sfb]; i < min(ics->swb_offset[sfb+1], ics->swb_offset_max); i++)
- {
- k = (group*nshort) + i;
- tmp = l_spec[k] - r_spec[k];
- l_spec[k] = l_spec[k] + r_spec[k];
- r_spec[k] = tmp;
- }
- }
- }
- group++;
- }
- }
- }
-}