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
20 Filename: calc_auto_corr.h
21 Funtions:
22
23------------------------------------------------------------------------------
24 REVISION HISTORY
25
26
27 Who:                                   Date: MM/DD/YYYY
28 Description:
29------------------------------------------------------------------------------
30
31
32 ----------------------------------------------------------------------------
33; CONTINUE ONLY IF NOT ALREADY DEFINED
34----------------------------------------------------------------------------*/
35#ifndef CALC_AUTO_CORR_H
36#define CALC_AUTO_CORR_H
37
38/*----------------------------------------------------------------------------
39; INCLUDES
40----------------------------------------------------------------------------*/
41#include "pv_audio_type_defs.h"
42
43/*----------------------------------------------------------------------------
44; MACROS
45; Define module specific macros here
46----------------------------------------------------------------------------*/
47
48/*----------------------------------------------------------------------------
49; DEFINES
50; Include all pre-processor statements here.
51----------------------------------------------------------------------------*/
52
53/*----------------------------------------------------------------------------
54; EXTERNAL VARIABLES REFERENCES
55; Declare variables used in this module but defined elsewhere
56----------------------------------------------------------------------------*/
57
58/*----------------------------------------------------------------------------
59; SIMPLE TYPEDEF'S
60----------------------------------------------------------------------------*/
61
62/*----------------------------------------------------------------------------
63; ENUMERATED TYPEDEF'S
64----------------------------------------------------------------------------*/
65
66/*----------------------------------------------------------------------------
67; STRUCTURES TYPEDEF'S
68----------------------------------------------------------------------------*/
69
70
71struct ACORR_COEFS
72{
73    Int32  r11r;
74    Int32  r01r;
75    Int32  r02r;
76    Int32  r12r;
77    Int32  r22r;
78#ifdef HQ_SBR
79    Int32  r01i;
80    Int32  r02i;
81    Int32  r12i;
82#endif
83    Int32  det;
84};
85
86/*----------------------------------------------------------------------------
87; GLOBAL FUNCTION DEFINITIONS
88; Function Prototype declaration
89----------------------------------------------------------------------------*/
90
91#ifdef __cplusplus
92extern "C"
93{
94#endif
95
96    void calc_auto_corr_LC(struct ACORR_COEFS *ac,
97    Int32  realBuf[][32],
98    Int32  bd,
99    Int32  len);
100
101
102#ifdef HQ_SBR
103
104    void calc_auto_corr(struct ACORR_COEFS *ac,
105                        Int32  realBuf[][32],
106                        Int32  imagBuf[][32],
107                        Int32  bd,
108                        Int32  len);
109
110#endif
111
112
113#ifdef __cplusplus
114}
115#endif
116
117/*----------------------------------------------------------------------------
118; END
119----------------------------------------------------------------------------*/
120#endif
121
122
123