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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 /****************************************************************************************
     19 Portions of this file are derived from the following 3GPP standard:
     20 
     21     3GPP TS 26.073
     22     ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
     23     Available from http://www.3gpp.org
     24 
     25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
     26 Permission to distribute, modify and use this file under the standard license
     27 terms listed above has been obtained from the copyright holder.
     28 ****************************************************************************************/
     29 /*----------------------------------------------------------------------------
     30 ; CONTINUE ONLY IF NOT ALREADY DEFINED
     31 ----------------------------------------------------------------------------*/
     32 #ifndef COR_H_H
     33 #define COR_H_H
     34 
     35 /*----------------------------------------------------------------------------
     36 ; INCLUDES
     37 ----------------------------------------------------------------------------*/
     38 #include "typedef.h"
     39 
     40 #include "cor_h_x.h"                /* Used by legacy files */
     41 #include "cor_h_x2.h"               /* Used by legacy files */
     42 
     43 /*--------------------------------------------------------------------------*/
     44 #ifdef __cplusplus
     45 extern "C"
     46 {
     47 #endif
     48 
     49     /*----------------------------------------------------------------------------
     50     ; MACROS
     51     ; Define module specific macros here
     52     ----------------------------------------------------------------------------*/
     53 
     54     /*----------------------------------------------------------------------------
     55     ; DEFINES
     56     ; Include all pre-processor statements here.
     57     ----------------------------------------------------------------------------*/
     58 
     59     /*----------------------------------------------------------------------------
     60     ; EXTERNAL VARIABLES REFERENCES
     61     ; Declare variables used in this module but defined elsewhere
     62     ----------------------------------------------------------------------------*/
     63 
     64     /*----------------------------------------------------------------------------
     65     ; SIMPLE TYPEDEF'S
     66     ----------------------------------------------------------------------------*/
     67 
     68     /*----------------------------------------------------------------------------
     69     ; ENUMERATED TYPEDEF'S
     70     ----------------------------------------------------------------------------*/
     71 
     72     /*----------------------------------------------------------------------------
     73     ; STRUCTURES TYPEDEF'S
     74     ----------------------------------------------------------------------------*/
     75 
     76     /*----------------------------------------------------------------------------
     77     ; GLOBAL FUNCTION DEFINITIONS
     78     ; Function Prototype declaration
     79     ----------------------------------------------------------------------------*/
     80     void cor_h(
     81         Word16 h[],          /* (i) : impulse response of weighted synthesis
     82                                   filter                                  */
     83         Word16 sign[],       /* (i) : sign of d[n]                            */
     84         Word16 rr[][L_CODE], /* (o) : matrix of autocorrelation               */
     85         Flag  *pOverflow
     86     );
     87 
     88     /*----------------------------------------------------------------------------
     89     ; END
     90     ----------------------------------------------------------------------------*/
     91 #ifdef __cplusplus
     92 }
     93 #endif
     94 
     95 #endif
     96 
     97