blob: 30e392c40f8282c5d3373de86c8ca03ae0c525ea
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 |