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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 *      GSM AMR-NB speech codec   R98   Version 7.5.0   March 2, 2001
     33 *                                R99   Version 3.2.0
     34 *                                REL-4 Version 4.0.0
     35 *
     36 ********************************************************************************
     37 *
     38 *      File             : d2_11pf.h
     39 *      Purpose          : Algebraic codebook decoder
     40 *
     41 ********************************************************************************
     42 */
     43 #ifndef d2_11pf_h
     44 #define d2_11pf_h "$Id $"
     45 
     46 /*
     47 ********************************************************************************
     48 *                         INCLUDE FILES
     49 ********************************************************************************
     50 */
     51 #include "typedef.h"
     52 
     53 #ifdef __cplusplus
     54 extern "C"
     55 {
     56 #endif
     57 
     58     /*
     59     ********************************************************************************
     60     *                         LOCAL VARIABLES AND TABLES
     61     ********************************************************************************
     62     */
     63 
     64     /*
     65     ********************************************************************************
     66     *                         DEFINITION OF DATA TYPES
     67     ********************************************************************************
     68     */
     69 
     70     /*
     71     ********************************************************************************
     72     *                         DECLARATION OF PROTOTYPES
     73     ********************************************************************************
     74     */
     75     /*************************************************************************
     76      *
     77      *  FUNCTION:  decode_2i40_11bits (decod_ACELP())
     78      *
     79      *  PURPOSE:   Algebraic codebook decoder for 2 pulses coded with 11 bits
     80      *
     81      *************************************************************************/
     82 
     83     void decode_2i40_11bits(
     84         Word16 sign,   /* i : signs of 2 pulses.                       */
     85         Word16 index,  /* i : Positions of the 2 pulses.               */
     86         Word16 cod[]   /* o : algebraic (fixed) codebook excitation    */
     87     );
     88 
     89 #ifdef __cplusplus
     90 }
     91 #endif
     92 
     93 #endif
     94