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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/******************************************************************
iLBC Speech Coder ANSI-C Source Code
WebRtcIlbcfix_LspInterpolate2PolyDec.h
******************************************************************/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_INTERPOLATE_TO_POLY_DEC_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_INTERPOLATE_TO_POLY_DEC_H_
#include "defines.h"
/*----------------------------------------------------------------*
* interpolation of lsf coefficients for the decoder
*---------------------------------------------------------------*/
void WebRtcIlbcfix_LspInterpolate2PolyDec(
int16_t *a, /* (o) lpc coefficients Q12 */
int16_t *lsf1, /* (i) first set of lsf coefficients Q13 */
int16_t *lsf2, /* (i) second set of lsf coefficients Q13 */
int16_t coef, /* (i) weighting coefficient to use between
lsf1 and lsf2 Q14 */
int16_t length /* (i) length of coefficient vectors */
);
#endif
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