webrtc/modules/audio_coding/codecs/iLBC/main/source/lpc_encode.h

40 lines
1.5 KiB
C

/*
* 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_LpcEncode.h
******************************************************************/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LPC_ENCODE_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LPC_ENCODE_H_
#include "defines.h"
/*----------------------------------------------------------------*
* lpc encoder
*---------------------------------------------------------------*/
void WebRtcIlbcfix_LpcEncode(
WebRtc_Word16 *syntdenum, /* (i/o) synthesis filter coefficients
before/after encoding */
WebRtc_Word16 *weightdenum, /* (i/o) weighting denumerator coefficients
before/after encoding */
WebRtc_Word16 *lsf_index, /* (o) lsf quantization index */
WebRtc_Word16 *data, /* (i) Speech to do LPC analysis on */
iLBC_Enc_Inst_t *iLBCenc_inst
/* (i/o) the encoder state structure */
);
#endif