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

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_BwExpand.h
******************************************************************/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_BW_EXPAND_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_BW_EXPAND_H_
#include "defines.h"
/*----------------------------------------------------------------*
* lpc bandwidth expansion
*---------------------------------------------------------------*/
void WebRtcIlbcfix_BwExpand(
WebRtc_Word16 *out, /* (o) the bandwidth expanded lpc coefficients */
WebRtc_Word16 *in, /* (i) the lpc coefficients before bandwidth
expansion */
WebRtc_Word16 *coef, /* (i) the bandwidth expansion factor Q15 */
WebRtc_Word16 length /* (i) the length of lpc coefficient vectors */
);
#endif