1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23 Available from http://www.3gpp.org
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 ****************************************************************************************/
30 ------------------------------------------------------------------------------
36 ------------------------------------------------------------------------------
39 This file contains all the constant definitions and prototype definitions
40 needed by the file, spreproc.c
42 ------------------------------------------------------------------------------
45 /*----------------------------------------------------------------------------
46 ; CONTINUE ONLY IF NOT ALREADY DEFINED
47 ----------------------------------------------------------------------------*/
49 #define spreproc_h "$Id $"
51 /*----------------------------------------------------------------------------
53 ----------------------------------------------------------------------------*/
58 /*--------------------------------------------------------------------------*/
64 /*----------------------------------------------------------------------------
66 ; Define module specific macros here
67 ----------------------------------------------------------------------------*/
69 /*----------------------------------------------------------------------------
71 ; Include all pre-processor statements here.
72 ----------------------------------------------------------------------------*/
74 /*----------------------------------------------------------------------------
75 ; EXTERNAL VARIABLES REFERENCES
76 ; Declare variables used in this module but defined elsewhere
77 ----------------------------------------------------------------------------*/
79 /*----------------------------------------------------------------------------
81 ----------------------------------------------------------------------------*/
83 /*----------------------------------------------------------------------------
84 ; ENUMERATED TYPEDEF'S
85 ----------------------------------------------------------------------------*/
87 /*----------------------------------------------------------------------------
88 ; STRUCTURES TYPEDEF'S
89 ----------------------------------------------------------------------------*/
91 /*----------------------------------------------------------------------------
92 ; GLOBAL FUNCTION DEFINITIONS
93 ; Function Prototype declaration
94 ----------------------------------------------------------------------------*/
96 enum Mode mode, /* i : coder mode */
97 const Word16 gamma1[], /* i : spectral exp. factor 1 */
98 const Word16 gamma1_12k2[],/* i : spectral exp. factor 1 for EFR */
99 const Word16 gamma2[], /* i : spectral exp. factor 2 */
100 Word16 *A, /* i : A(z) unquantized for the 4 subframes */
101 Word16 *Aq, /* i : A(z) quantized for the 4 subframes */
102 Word16 *speech, /* i : speech segment */
103 Word16 *mem_err, /* i : pointer to error signal */
104 Word16 *mem_w0, /* i : memory of weighting filter */
105 Word16 *zero, /* i : pointer to zero vector */
106 Word16 ai_zero[], /* o : history of weighted synth. filter */
107 Word16 exc[], /* o : long term prediction residual */
108 Word16 h1[], /* o : impulse response */
109 Word16 xn[], /* o : target vector for pitch search */
110 Word16 res2[], /* o : long term prediction residual */
111 Word16 error[] /* o : error of LPC synthesis filter */
114 /*----------------------------------------------------------------------------
116 ----------------------------------------------------------------------------*/
121 #endif /* spreproc_h */