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
21   PacketVideo Corp.
22   MP3 Decoder Library
23
24   Pathname: ./include/pvmp3_mdct_6.h
25
26     Date: 09/21/2007
27
28------------------------------------------------------------------------------
29 REVISION HISTORY
30
31
32 Description:
33
34------------------------------------------------------------------------------
35 INCLUDE DESCRIPTION
36
37 This include file defines function mdct_18, dct9, mdct_6 and dct_6
38
39------------------------------------------------------------------------------
40*/
41
42/*----------------------------------------------------------------------------
43; CONTINUE ONLY IF NOT ALREADY DEFINED
44----------------------------------------------------------------------------*/
45#ifndef  PVMP3_MDCT_6_H
46#define  PVMP3_MDCT_6_H
47
48/*----------------------------------------------------------------------------
49; INCLUDES
50----------------------------------------------------------------------------*/
51#include "pvmp3_audio_type_defs.h"
52
53/*----------------------------------------------------------------------------
54; MACROS
55; Define module specific macros here
56----------------------------------------------------------------------------*/
57
58/*----------------------------------------------------------------------------
59; DEFINES
60; Include all pre-processor statements here.
61----------------------------------------------------------------------------*/
62#define Qfmt(a)    (Int32)(a*((Int32)1<<28) )
63#define Qfmt1(a)   (Int32)(a*((Int32)0x7FFFFFFF))
64#define Qfmt2(a)   (Int32)(a*((Int32)1<<27))
65
66/*----------------------------------------------------------------------------
67; EXTERNAL VARIABLES REFERENCES
68; Declare variables used in this module but defined elsewhere
69----------------------------------------------------------------------------*/
70
71/*----------------------------------------------------------------------------
72; SIMPLE TYPEDEF'S
73----------------------------------------------------------------------------*/
74
75/*----------------------------------------------------------------------------
76; ENUMERATED TYPEDEF'S
77----------------------------------------------------------------------------*/
78
79/*----------------------------------------------------------------------------
80; STRUCTURES TYPEDEF'S
81----------------------------------------------------------------------------*/
82
83/*----------------------------------------------------------------------------
84; GLOBAL FUNCTION DEFINITIONS
85; Function Prototype declaration
86----------------------------------------------------------------------------*/
87#ifdef __cplusplus
88extern "C"
89{
90#endif
91
92
93    void pvmp3_mdct_6(int32 vec[], int32 *overlap);
94
95    void pvmp3_dct_6(int32 vec[]);
96
97#ifdef __cplusplus
98}
99#endif
100
101/*----------------------------------------------------------------------------
102; END
103----------------------------------------------------------------------------*/
104#endif
105
106
107