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author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-08-30 22:30:28 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2003-08-30 22:30:28 +0000 |
commit | 32063c433915b8dddd143a951ad90ae901ac1b38 (patch) | |
tree | 88aaee983b0885b5bb22d870476f7afdaa8a7010 /libfaad2/tns.h | |
parent | 264633eec589baddfdcd79dde08fd7f1f47fba51 (diff) | |
download | mpv-32063c433915b8dddd143a951ad90ae901ac1b38.tar.bz2 mpv-32063c433915b8dddd143a951ad90ae901ac1b38.tar.xz |
libfaad2 v2.0rc1 imported
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10726 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libfaad2/tns.h')
-rw-r--r-- | libfaad2/tns.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libfaad2/tns.h b/libfaad2/tns.h new file mode 100644 index 0000000000..75a93ddbc4 --- /dev/null +++ b/libfaad2/tns.h @@ -0,0 +1,55 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003 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: tns.h,v 1.8 2003/07/29 08:20:14 menno Exp $ +**/ + +#ifndef __TNS_H__ +#define __TNS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + + +#define TNS_MAX_ORDER 20 + + +void tns_decode_frame(ic_stream *ics, tns_info *tns, uint8_t sr_index, + uint8_t object_type, real_t *spec, uint16_t frame_len); +void tns_encode_frame(ic_stream *ics, tns_info *tns, uint8_t sr_index, + uint8_t object_type, real_t *spec, uint16_t frame_len); + +static void tns_decode_coef(uint8_t order, uint8_t coef_res_bits, uint8_t coef_compress, + uint8_t *coef, real_t *a); +static void tns_ar_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *lpc, + uint8_t order); +static void tns_ma_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *lpc, + uint8_t order); + + +#ifdef __cplusplus +} +#endif +#endif |