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diff --git a/audio_codec/libfaad/pns.h b/audio_codec/libfaad/pns.h new file mode 100644 index 0000000..540de60 --- a/dev/null +++ b/audio_codec/libfaad/pns.h @@ -0,0 +1,58 @@ +/* +** 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: pns.h,v 1.27 2007/11/01 12:33:33 menno Exp $ +**/ + +#ifndef __PNS_H__ +#define __PNS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "syntax.h" + +#define NOISE_OFFSET 90 + + void pns_decode(ic_stream *ics_left, ic_stream *ics_right, + real_t *spec_left, real_t *spec_right, uint16_t frame_len, + uint8_t channel_pair, uint8_t object_type, + /* RNG states */ uint32_t *__r1, uint32_t *__r2); + + static INLINE uint8_t is_noise(ic_stream *ics, uint8_t group, uint8_t sfb) + { + if (ics->sfb_cb[group][sfb] == NOISE_HCB) { + return 1; + } + return 0; + } + +#ifdef __cplusplus +} +#endif +#endif |