blob: 010c6a1ce5d443d34f450a05ef80bef3f0ccea29 [file] [log] [blame]
* 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
#include <stddef.h>
#include <stdint.h>
* Compute cross correlation and pitch gain for pitch prediction
* of last subframe at given lag.
void WebRtcIlbcfix_CompCorr(int32_t* corr, /* (o) cross correlation */
int32_t* ener, /* (o) energy */
int16_t* buffer, /* (i) signal buffer */
size_t lag, /* (i) pitch lag */
size_t bLen, /* (i) length of buffer */
size_t sRange, /* (i) correlation search length */
int16_t scale /* (i) number of rightshifts to use */