webrtc/modules/audio_coding/codecs/ilbc/simple_lsf_quant.h
Peter Thatcher 13cb722ac9
Update to WebRTC 4389 (e7d9f74)
Contains changes for M86 (4240), M87 (4280), M88 (4324), and M89 (4389).
2021-04-16 13:26:31 -07:00

37 lines
1.3 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_SimpleLsfQ.h
******************************************************************/
#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_SIMPLE_LSF_QUANT_H_
#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_SIMPLE_LSF_QUANT_H_
#include <stdint.h>
/*----------------------------------------------------------------*
* lsf quantizer (subrutine to LPCencode)
*---------------------------------------------------------------*/
void WebRtcIlbcfix_SimpleLsfQ(
int16_t* lsfdeq, /* (o) dequantized lsf coefficients
(dimension FILTERORDER) Q13 */
int16_t* index, /* (o) quantization index */
int16_t* lsf, /* (i) the lsf coefficient vector to be
quantized (dimension FILTERORDER) Q13 */
int16_t lpc_n /* (i) number of lsf sets to quantize */
);
#endif