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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/c2_9pf.h
     35 
     36      Date: 01/29/2002
     37 
     38 ------------------------------------------------------------------------------
     39  REVISION HISTORY
     40 
     41  Description: Moved _cplusplus #ifdef after Include section.
     42 
     43  Description:
     44 
     45 ------------------------------------------------------------------------------
     46  INCLUDE DESCRIPTION
     47 
     48  This file contains all the constant definitions and prototype definitions
     49  needed by the c2_9pf.c
     50 
     51 ------------------------------------------------------------------------------
     52 */
     53 
     54 /*----------------------------------------------------------------------------
     55 ; CONTINUE ONLY IF NOT ALREADY DEFINED
     56 ----------------------------------------------------------------------------*/
     57 #ifndef c2_9pf_h
     58 #define c2_9pf_h "$Id $"
     59 
     60 /*----------------------------------------------------------------------------
     61 ; INCLUDES
     62 ----------------------------------------------------------------------------*/
     63 #include "typedef.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     Word16 code_2i40_9bits(
    103         Word16 subNr,       /* i : subframe number                               */
    104         Word16 x[],         /* i : target vector                                 */
    105         Word16 h[],         /* i : impulse response of weighted synthesis filter */
    106         /*     h[-L_subfr..-1] must be set to zero.          */
    107         Word16 T0,          /* i : Pitch lag                                     */
    108         Word16 pitch_sharp, /* i : Last quantized pitch gain                     */
    109         Word16 code[],      /* o : Innovative codebook                           */
    110         Word16 y[],         /* o : filtered fixed codebook excitation            */
    111         Word16 * sign,      /* o : Signs of 2 pulses                             */
    112         Flag   * pOverflow  /* o : Flag set when overflow occurs                 */
    113     );
    114 
    115     /*----------------------------------------------------------------------------
    116     ; END
    117     ----------------------------------------------------------------------------*/
    118 #ifdef __cplusplus
    119 }
    120 #endif
    121 
    122 #endif /* _c2_9PF_H_ */
    123 
    124 
    125 
    126