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/*
* 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_AugmentedCbCorr.h
******************************************************************/
#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_AUGMENTED_CB_CORR_H_
#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_AUGMENTED_CB_CORR_H_
#include <stddef.h>
#include <stdint.h>
/*----------------------------------------------------------------*
* Calculate correlation between target and Augmented codebooks
*---------------------------------------------------------------*/
void WebRtcIlbcfix_AugmentedCbCorr(
int16_t* target, /* (i) Target vector */
int16_t* buffer, /* (i) Memory buffer */
int16_t* interpSamples, /* (i) buffer with
interpolated samples */
int32_t* crossDot, /* (o) The cross correlation between
the target and the Augmented
vector */
size_t low, /* (i) Lag to start from (typically
20) */
size_t high, /* (i) Lag to end at (typically 39 */
int scale); /* (i) Scale factor to use for the crossDot */
#endif
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