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      1 /*
      2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 /******************************************************************
     12 
     13  iLBC Speech Coder ANSI-C Source Code
     14 
     15  WebRtcIlbcfix_Refiner.h
     16 
     17 ******************************************************************/
     18 
     19 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_REFINER_H_
     20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_REFINER_H_
     21 
     22 #include "defines.h"
     23 
     24 /*----------------------------------------------------------------*
     25  * find segment starting near idata+estSegPos that has highest
     26  * correlation with idata+centerStartPos through
     27  * idata+centerStartPos+ENH_BLOCKL-1 segment is found at a
     28  * resolution of ENH_UPSO times the original of the original
     29  * sampling rate
     30  *---------------------------------------------------------------*/
     31 
     32 void WebRtcIlbcfix_Refiner(
     33     int16_t *updStartPos, /* (o) updated start point (Q-2) */
     34     int16_t *idata,   /* (i) original data buffer */
     35     int16_t idatal,   /* (i) dimension of idata */
     36     int16_t centerStartPos, /* (i) beginning center segment */
     37     int16_t estSegPos,  /* (i) estimated beginning other segment (Q-2) */
     38     int16_t *surround,  /* (i/o) The contribution from this sequence
     39                                  summed with earlier contributions */
     40     int16_t gain    /* (i) Gain to use for this sequence */
     41                            );
     42 
     43 #endif
     44