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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 
     32 
     33 
     34  Filename: /audio/gsm_amr/c/include/enc_lag6.h
     35 
     36      Date: 02/05/2002
     37 
     38 ------------------------------------------------------------------------------
     39  REVISION HISTORY
     40 
     41  Description: Placed header file in the proper template format.  Added
     42  parameter pOverflow for the basic math ops.
     43 
     44  Description: Moved _cplusplus #ifdef after Include section.
     45 
     46  Description:
     47 
     48 ------------------------------------------------------------------------------
     49  INCLUDE DESCRIPTION
     50 
     51  This file contains all the constant definitions and prototype definitions
     52  needed by the file, enc_lag6.c
     53 
     54 ------------------------------------------------------------------------------
     55 */
     56 
     57 /*----------------------------------------------------------------------------
     58 ; CONTINUE ONLY IF NOT ALREADY DEFINED
     59 ----------------------------------------------------------------------------*/
     60 #ifndef enc_lag6_h
     61 #define enc_lag6_h "$Id $"
     62 
     63 /*----------------------------------------------------------------------------
     64 ; INCLUDES
     65 ----------------------------------------------------------------------------*/
     66 #include "typedef.h"
     67 
     68 /*--------------------------------------------------------------------------*/
     69 #ifdef __cplusplus
     70 extern "C"
     71 {
     72 #endif
     73 
     74     /*----------------------------------------------------------------------------
     75     ; MACROS
     76     ; Define module specific macros here
     77     ----------------------------------------------------------------------------*/
     78 
     79     /*----------------------------------------------------------------------------
     80     ; DEFINES
     81     ; Include all pre-processor statements here.
     82     ----------------------------------------------------------------------------*/
     83 
     84     /*----------------------------------------------------------------------------
     85     ; EXTERNAL VARIABLES REFERENCES
     86     ; Declare variables used in this module but defined elsewhere
     87     ----------------------------------------------------------------------------*/
     88 
     89     /*----------------------------------------------------------------------------
     90     ; SIMPLE TYPEDEF'S
     91     ----------------------------------------------------------------------------*/
     92 
     93     /*----------------------------------------------------------------------------
     94     ; ENUMERATED TYPEDEF'S
     95     ----------------------------------------------------------------------------*/
     96 
     97     /*----------------------------------------------------------------------------
     98     ; STRUCTURES TYPEDEF'S
     99     ----------------------------------------------------------------------------*/
    100 
    101     /*----------------------------------------------------------------------------
    102     ; GLOBAL FUNCTION DEFINITIONS
    103     ; Function Prototype declaration
    104     ----------------------------------------------------------------------------*/
    105     Word16 Enc_lag6(         /* o  : Return index of encoding             */
    106         Word16 T0,           /* i  : Pitch delay                          */
    107         Word16 T0_frac,      /* i  : Fractional pitch delay               */
    108         Word16 T0_min,       /* i  : minimum of search range              */
    109         Word16 delta_flag,   /* i  : Flag for 1st (or 3rd) subframe       */
    110         Flag   *pOverflow    /* o  : Overflow indicator                   */
    111     );
    112 
    113     /*----------------------------------------------------------------------------
    114     ; END
    115     ----------------------------------------------------------------------------*/
    116 #ifdef __cplusplus
    117 }
    118 #endif
    119 
    120 #endif /* enc_lag6_h */
    121 
    122 
    123