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 Pathname: ./c/include/dct64.h
21
22------------------------------------------------------------------------------
23 REVISION HISTORY
24
25 Who:                                       Date:
26 Description:
27------------------------------------------------------------------------------
28 INCLUDE DESCRIPTION
29
30------------------------------------------------------------------------------
31*/
32
33#ifndef DCT64_H
34#define DCT64_H
35
36
37/*----------------------------------------------------------------------------
38; INCLUDES
39----------------------------------------------------------------------------*/
40
41#include "pv_audio_type_defs.h"
42
43/*----------------------------------------------------------------------------
44; MACROS
45; Define module specific macros here
46----------------------------------------------------------------------------*/
47#ifdef __cplusplus
48extern "C"
49{
50#endif
51
52    /*----------------------------------------------------------------------------
53    ; EXTERNAL VARIABLES REFERENCES
54    ----------------------------------------------------------------------------*/
55    extern const Int32 CosTable_48[48];
56
57    /*----------------------------------------------------------------------------
58    ; DEFINES AND SIMPLE TYPEDEF'S
59    ----------------------------------------------------------------------------*/
60
61    void pv_split_LC(Int32 *vector,
62                     Int32 *temp_o);
63
64
65#ifdef HQ_SBR
66
67    void dct_64(Int32 vec[], Int32 *scratch_mem);
68
69#endif
70
71    void pv_split(Int32 *temp_o);
72
73    void pv_split_z(Int32 *vector);
74
75    void pv_merge_in_place_N32(Int32 vec[]);
76
77#ifdef __cplusplus
78}
79#endif
80
81#endif  /* DCT64_H */
82