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_LspInterpolate2PolyDec.h 16 17 ******************************************************************/ 18 19 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_INTERPOLATE_TO_POLY_DEC_H_ 20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_INTERPOLATE_TO_POLY_DEC_H_ 21 22 #include "defines.h" 23 24 /*----------------------------------------------------------------* 25 * interpolation of lsf coefficients for the decoder 26 *---------------------------------------------------------------*/ 27 28 void WebRtcIlbcfix_LspInterpolate2PolyDec( 29 int16_t *a, /* (o) lpc coefficients Q12 */ 30 int16_t *lsf1, /* (i) first set of lsf coefficients Q13 */ 31 int16_t *lsf2, /* (i) second set of lsf coefficients Q13 */ 32 int16_t coef, /* (i) weighting coefficient to use between 33 lsf1 and lsf2 Q14 */ 34 int16_t length /* (i) length of coefficient vectors */ 35 ); 36 37 #endif 38
