| /* |
| * 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); |
| } |