From d1ae1a4230b413b6a92179936d431c83247c5fd2 Mon Sep 17 00:00:00 2001 From: jacqueline Date: Thu, 18 Jan 2024 14:55:27 +1100 Subject: on second thought, let's not violate patents. 'tis a silly system. --- lib/faad2/libfaad/ms.c | 77 -------------------------------------------------- 1 file changed, 77 deletions(-) delete mode 100644 lib/faad2/libfaad/ms.c (limited to 'lib/faad2/libfaad/ms.c') diff --git a/lib/faad2/libfaad/ms.c b/lib/faad2/libfaad/ms.c deleted file mode 100644 index eb4d2666..00000000 --- a/lib/faad2/libfaad/ms.c +++ /dev/null @@ -1,77 +0,0 @@ -/* -** 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++; - } - } - } -} -- cgit v1.2.3