2 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
3 ** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation; either version 2 of the License, or
8 ** (at your option) any later version.
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 ** Any non-GPL usage of this software or parts of this software is strictly
22 ** The "appropriate copyright message" mentioned in section 2c of the GPLv2
23 ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"
25 ** Commercial non-GPL licensing of this software is possible.
26 ** For more info contact Nero AG through Mpeg4AAClicense@nero.com.
28 ** $Id: pns.h,v 1.27 2007/11/01 12:33:33 menno Exp $
40 #define NOISE_OFFSET 90
42 void pns_decode(ic_stream *ics_left, ic_stream *ics_right,
43 real_t *spec_left, real_t *spec_right, uint16_t frame_len,
44 uint8_t channel_pair, uint8_t object_type,
45 /* RNG states */ uint32_t *__r1, uint32_t *__r2);
47 static INLINE uint8_t is_noise(ic_stream *ics, uint8_t group, uint8_t sfb)
49 if (ics->sfb_cb[group][sfb] == NOISE_HCB)