1 /* 2 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding 3 ** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com 4 ** 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. 9 ** 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. 14 ** 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. 18 ** 19 ** Any non-GPL usage of this software or parts of this software is strictly 20 ** forbidden. 21 ** 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" 24 ** 25 ** Commercial non-GPL licensing of this software is possible. 26 ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. 27 ** 28 ** $Id: lt_predict.h,v 1.20 2007/11/01 12:33:31 menno Exp $ 29 **/ 30 31 #ifdef LTP_DEC 32 33 #ifndef __LT_PREDICT_H__ 34 #define __LT_PREDICT_H__ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #include "filtbank.h" 41 42 uint8_t is_ltp_ot(uint8_t object_type); 43 44 void lt_prediction(ic_stream *ics, 45 ltp_info *ltp, 46 real_t *spec, 47 int16_t *lt_pred_stat, 48 fb_info *fb, 49 uint8_t win_shape, 50 uint8_t win_shape_prev, 51 uint8_t sr_index, 52 uint8_t object_type, 53 uint16_t frame_len); 54 55 void lt_update_state(int16_t *lt_pred_stat, 56 real_t *time, 57 real_t *overlap, 58 uint16_t frame_len, 59 uint8_t object_type); 60 61 #ifdef __cplusplus 62 } 63 #endif 64 #endif 65 66 #endif 67