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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/dec_lag3.h
     35 
     36      Date: 01/29/2002
     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:  Replaced "int" and/or "char" with OSCL defined types.
     45 
     46  Description: Moved _cplusplus #ifdef after Include section.
     47 
     48  Description:
     49 
     50 ------------------------------------------------------------------------------
     51  INCLUDE DESCRIPTION
     52 
     53  This file contains all the constant definitions and prototype definitions
     54  needed by the cbsearch.c
     55 
     56 ------------------------------------------------------------------------------
     57 */
     58 
     59 /*----------------------------------------------------------------------------
     60 ; CONTINUE ONLY IF NOT ALREADY DEFINED
     61 ----------------------------------------------------------------------------*/
     62 #ifndef cbsearch_h
     63 #define cbsearch_h "$Id $"
     64 
     65 
     66 /*----------------------------------------------------------------------------
     67 ; INCLUDES
     68 ----------------------------------------------------------------------------*/
     69 #include "typedef.h"
     70 #include "mode.h"
     71 
     72 /*--------------------------------------------------------------------------*/
     73 #ifdef __cplusplus
     74 extern "C"
     75 {
     76 #endif
     77 
     78     /*----------------------------------------------------------------------------
     79     ; MACROS
     80     ; Define module specific macros here
     81     ----------------------------------------------------------------------------*/
     82 
     83     /*----------------------------------------------------------------------------
     84     ; DEFINES
     85     ; Include all pre-processor statements here.
     86     ----------------------------------------------------------------------------*/
     87 
     88     /*----------------------------------------------------------------------------
     89     ; EXTERNAL VARIABLES REFERENCES
     90     ; Declare variables used in this module but defined elsewhere
     91     ----------------------------------------------------------------------------*/
     92 
     93     /*----------------------------------------------------------------------------
     94     ; SIMPLE TYPEDEF'S
     95     ----------------------------------------------------------------------------*/
     96 
     97     /*----------------------------------------------------------------------------
     98     ; ENUMERATED TYPEDEF'S
     99     ----------------------------------------------------------------------------*/
    100 
    101     /*----------------------------------------------------------------------------
    102     ; STRUCTURES TYPEDEF'S
    103     ----------------------------------------------------------------------------*/
    104 
    105     /*----------------------------------------------------------------------------
    106     ; GLOBAL FUNCTION DEFINITIONS
    107     ; Function Prototype declaration
    108     ----------------------------------------------------------------------------*/
    109 
    110     void cbsearch(Word16 x[],     /* i : target vector, Q0                      */
    111     Word16 h[],     /* i : impulse response of weighted synthesis */
    112     /*     filter h[-L_subfr..-1] must be set to  */
    113     /*    zero. Q12                               */
    114     Word16 T0,      /* i : Pitch lag                              */
    115     Word16 pitch_sharp, /* i : Last quantized pitch gain, Q14     */
    116     Word16 gain_pit,/* i : Pitch gain, Q14                        */
    117     Word16 res2[],  /* i : Long term prediction residual, Q0      */
    118     Word16 code[],  /* o : Innovative codebook, Q13               */
    119     Word16 y[],     /* o : filtered fixed codebook excitation, Q12 */
    120     Word16 **anap,  /* o : Signs of the pulses                    */
    121     enum Mode mode, /* i : coder mode                             */
    122     Word16 subNr,   /* i : subframe number                        */
    123     Flag  *pOverflow  /* o : Flag set when overflow occurs        */
    124                  );
    125 
    126     /*----------------------------------------------------------------------------
    127     ; END
    128     ----------------------------------------------------------------------------*/
    129 #ifdef __cplusplus
    130 }
    131 #endif
    132 
    133 #endif /* _CBSEARCH_H_ */
    134 
    135 
    136 
    137