blob: b8f3335afb30eb459970fc947596de533e8e0e39 [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
WebRtcIlbcfix_Enhancer.c
******************************************************************/
#include "defines.h"
#include "constants.h"
#include "get_sync_seq.h"
#include "smooth.h"
/*----------------------------------------------------------------*
* perform enhancement on idata+centerStartPos through
* idata+centerStartPos+ENH_BLOCKL-1
*---------------------------------------------------------------*/
void WebRtcIlbcfix_Enhancer(
WebRtc_Word16 *odata, /* (o) smoothed block, dimension blockl */
WebRtc_Word16 *idata, /* (i) data buffer used for enhancing */
WebRtc_Word16 idatal, /* (i) dimension idata */
WebRtc_Word16 centerStartPos, /* (i) first sample current block within idata */
WebRtc_Word16 *period, /* (i) pitch period array (pitch bward-in time) */
WebRtc_Word16 *plocs, /* (i) locations where period array values valid */
WebRtc_Word16 periodl /* (i) dimension of period and plocs */
){
/* Stack based */
WebRtc_Word16 surround[ENH_BLOCKL];
WebRtcSpl_MemSetW16(surround, 0, ENH_BLOCKL);
/* get said second sequence of segments */
WebRtcIlbcfix_GetSyncSeq(idata, idatal, centerStartPos, period, plocs,
periodl, ENH_HL, surround);
/* compute the smoothed output from said second sequence */
WebRtcIlbcfix_Smooth(odata, idata+centerStartPos, surround);
}