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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 
     31  Filename: /audio/gsm_amr/c/include/lsfwt.h
     32 
     33 ------------------------------------------------------------------------------
     34  REVISION HISTORY
     35 
     36  Description: Placed header file in the proper template format.  Added
     37  parameter pOverflow for the basic math ops.
     38 
     39  Description: Moved _cplusplus #ifdef after Include section.
     40 
     41  Who:                       Date:
     42  Description:
     43 
     44 ------------------------------------------------------------------------------
     45  INCLUDE DESCRIPTION
     46 
     47  This file contains all the constant definitions and prototype definitions
     48  needed by the lsfwt.c
     49 
     50 ------------------------------------------------------------------------------
     51 */
     52 
     53 /*----------------------------------------------------------------------------
     54 ; CONTINUE ONLY IF NOT ALREADY DEFINED
     55 ----------------------------------------------------------------------------*/
     56 #ifndef lsfwt_h
     57 #define lsfwt_h "$Id $"
     58 
     59 /*----------------------------------------------------------------------------
     60 ; INCLUDES
     61 ----------------------------------------------------------------------------*/
     62 #include "typedef.h"
     63 #include "cnst.h"
     64 
     65 /*--------------------------------------------------------------------------*/
     66 #ifdef __cplusplus
     67 extern "C"
     68 {
     69 #endif
     70 
     71     /*----------------------------------------------------------------------------
     72     ; MACROS
     73     ; Define module specific macros here
     74     ----------------------------------------------------------------------------*/
     75 
     76     /*----------------------------------------------------------------------------
     77     ; DEFINES
     78     ; Include all pre-processor statements here.
     79     ----------------------------------------------------------------------------*/
     80 
     81     /*----------------------------------------------------------------------------
     82     ; EXTERNAL VARIABLES REFERENCES
     83     ; Declare variables used in this module but defined elsewhere
     84     ----------------------------------------------------------------------------*/
     85 
     86     /*----------------------------------------------------------------------------
     87     ; SIMPLE TYPEDEF'S
     88     ----------------------------------------------------------------------------*/
     89 
     90     /*----------------------------------------------------------------------------
     91     ; ENUMERATED TYPEDEF'S
     92     ----------------------------------------------------------------------------*/
     93 
     94     /*----------------------------------------------------------------------------
     95     ; STRUCTURES TYPEDEF'S
     96     ----------------------------------------------------------------------------*/
     97 
     98     /*----------------------------------------------------------------------------
     99     ; GLOBAL FUNCTION DEFINITIONS
    100     ; Function Prototype declaration
    101     ----------------------------------------------------------------------------*/
    102     void Lsf_wt(
    103         Word16 *lsf,          /* input : LSF vector                    */
    104         Word16 *wf,           /* output: square of weighting factors   */
    105         Flag   * pOverflow);  /* o : Flag set when overflow occurs     */
    106 
    107     /*----------------------------------------------------------------------------
    108     ; END
    109     ----------------------------------------------------------------------------*/
    110 #ifdef __cplusplus
    111 }
    112 #endif
    113 
    114 #endif /* _LSF_WT_H_ */
    115 
    116