1/*
2 *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11/******************************************************************
12
13 iLBC Speech Coder ANSI-C Source Code
14
15 WebRtcIlbcfix_Lsf2Lsp.h
16
17******************************************************************/
18
19#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_TO_LSP_H_
20#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_TO_LSP_H_
21
22#include "defines.h"
23
24/*----------------------------------------------------------------*
25 *  conversion from lsf to lsp coefficients
26 *---------------------------------------------------------------*/
27
28void WebRtcIlbcfix_Lsf2Lsp(
29    int16_t *lsf, /* (i) lsf in Q13 values between 0 and pi */
30    int16_t *lsp, /* (o) lsp in Q15 values between -1 and 1 */
31    int16_t m     /* (i) number of coefficients */
32                           );
33
34#endif
35