blob: 9bacd85e888acef3a05bfb7e874c333a681f6341 [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"
#include "constants.h"
WebRtc_Word32 WebRtcIlbcfix_Smooth_odata(
WebRtc_Word16 *odata,
WebRtc_Word16 *psseq,
WebRtc_Word16 *surround,
WebRtc_Word16 C)
int i;
WebRtc_Word16 err;
WebRtc_Word32 errs;
for(i=0;i<80;i++) {
odata[i]= (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(
(WEBRTC_SPL_MUL_16_16(C, surround[i])+1024), 11);
for(i=0;i<80;i++) {
err=(WebRtc_Word16)WEBRTC_SPL_RSHIFT_W16((psseq[i]-odata[i]), 3);
errs+=WEBRTC_SPL_MUL_16_16(err, err); /* errs in Q-6 */
return errs;