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_LpcEncode.h 16 17 ******************************************************************/ 18 19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LPC_ENCODE_H_ 20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LPC_ENCODE_H_ 21 22 #include <stddef.h> 23 #include <stdint.h> 24 25 #include "modules/audio_coding/codecs/ilbc/defines.h" 26 27 /*----------------------------------------------------------------* 28 * lpc encoder 29 *---------------------------------------------------------------*/ 30 31 void WebRtcIlbcfix_LpcEncode( 32 int16_t* syntdenum, /* (i/o) synthesis filter coefficients 33 before/after encoding */ 34 int16_t* weightdenum, /* (i/o) weighting denumerator coefficients 35 before/after encoding */ 36 int16_t* lsf_index, /* (o) lsf quantization index */ 37 int16_t* data, /* (i) Speech to do LPC analysis on */ 38 IlbcEncoder* iLBCenc_inst 39 /* (i/o) the encoder state structure */ 40 ); 41 42 #endif 43