diff options
Diffstat (limited to 'src/libfaad/ms.c')
-rw-r--r-- | src/libfaad/ms.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/libfaad/ms.c b/src/libfaad/ms.c deleted file mode 100644 index 93b0a2051..000000000 --- a/src/libfaad/ms.c +++ /dev/null @@ -1,74 +0,0 @@ -/* -** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding -** Copyright (C) 2003-2004 M. Bakker, Ahead Software 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. -** -** Commercial non-GPL licensing of this software is possible. -** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. -** -** $Id: ms.c,v 1.7 2005/10/29 23:57:07 tmmm 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 < ics->swb_offset[sfb+1]; 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++; - } - } - } -} |