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/****************************************************************************************
19Portions 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)
26Permission to distribute, modify and use this file under the standard license
27terms listed above has been obtained from the copyright holder.
28****************************************************************************************/
29/*
30------------------------------------------------------------------------------
31
32
33
34 Filename: /audio/gsm_amr/c/include/c4_17pf.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 c4_17pf.c
50
51------------------------------------------------------------------------------
52*/
53
54/*----------------------------------------------------------------------------
55; CONTINUE ONLY IF NOT ALREADY DEFINED
56----------------------------------------------------------------------------*/
57#ifndef c4_17pf_h
58#define c4_17pf_h "$Id $"
59
60/*----------------------------------------------------------------------------
61; INCLUDES
62----------------------------------------------------------------------------*/
63#include "typedef.h"
64
65/*--------------------------------------------------------------------------*/
66#ifdef __cplusplus
67extern "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_4i40_17bits(
103        Word16 x[], /* (i)   : target vector                                 */
104        Word16 h[], /* (i)   : impulse response of weighted synthesis filter */
105        /*         h[-L_subfr..-1] must be set to zero.          */
106        Word16 T0,  /* (i)   : Pitch lag                                     */
107        Word16 pitch_sharp, /* (i)   : Last quantized pitch gain             */
108        Word16 code[],      /* (o)   : Innovative codebook                   */
109        Word16 y[],         /* (o)   : filtered fixed codebook excitation    */
110        Word16 * sign,      /* (o)   : Signs of 4 pulses                     */
111        Flag   * pOverflow  /* (o)   : Flag set when overflow occurs         */
112    );
113
114
115    /*----------------------------------------------------------------------------
116    ; END
117    ----------------------------------------------------------------------------*/
118#ifdef __cplusplus
119}
120#endif
121
122#endif /* _c4_17PF_H_ */
123
124