/* * 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_LsfInterpolate2PloyEnc.h ******************************************************************/ #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_INTERPOLATE_TO_POLY_ENC_H_ #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_INTERPOLATE_TO_POLY_ENC_H_ #include /*----------------------------------------------------------------* * lsf interpolator and conversion from lsf to a coefficients * (subrutine to SimpleInterpolateLSF) *---------------------------------------------------------------*/ void WebRtcIlbcfix_LsfInterpolate2PloyEnc( 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