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_Lsf2Poly.h 16 17 ******************************************************************/ 18 19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_TO_POLY_H_ 20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_TO_POLY_H_ 21 22 #include "modules/audio_coding/codecs/ilbc/defines.h" 23 24 /*----------------------------------------------------------------* 25 * Convert from LSF coefficients to A coefficients 26 *---------------------------------------------------------------*/ 27 28 void WebRtcIlbcfix_Lsf2Poly( 29 int16_t* a, /* (o) predictor coefficients (order = 10) in Q12 */ 30 int16_t* lsf /* (i) line spectral frequencies in Q13 */ 31 ); 32 33 #endif 34