blob: cd4653221a81382b6f75da8444f24d0f1dccaa7d [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 "defines.h"
* Compute cross correlation and pitch gain for pitch prediction
* of last subframe at given lag.
void WebRtcIlbcfix_CompCorr(
WebRtc_Word32 *corr, /* (o) cross correlation */
WebRtc_Word32 *ener, /* (o) energy */
WebRtc_Word16 *buffer, /* (i) signal buffer */
WebRtc_Word16 lag, /* (i) pitch lag */
WebRtc_Word16 bLen, /* (i) length of buffer */
WebRtc_Word16 sRange, /* (i) correlation search length */
WebRtc_Word16 scale /* (i) number of rightshifts to use */