blob: 3935dcbc2c21628c7778d033e60b54bb11eb3b4c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/**
*******************************************************************************
* @file
* ih264_deblk_tables.h
*
* @brief
* This file contains declarations of tables used for deblocking
*
* @author
* Ittiam
*
* @par List of Functions:
*
* @remarks
* None
*
*******************************************************************************
*/
#ifndef IH264_DEBLK_TABLES_H_
#define IH264_DEBLK_TABLES_H_
/*****************************************************************************/
/* Extern global declarations */
/*****************************************************************************/
/**
******************************************************************************
* @brief alpha & beta tables for deblocking
* input : indexA [0-51] & indexB [0-51]
* output : alpha & beta
*
* @remarks Table 8-16 – in H264 Specification,
* Derivation of offset dependent threshold variables
* alpha and beta from indexA and indexB
******************************************************************************
*/
extern const UWORD8 gu1_ih264_alpha_table[52];
extern const UWORD8 gu1_ih264_beta_table[52];
/**
******************************************************************************
* @brief t'C0 table for deblocking
* input : indexA [0-51] and bS [1,3]
* output : t'C0
*
* @remarks Table 8-17 – in H264 Specification,
* Value of variable t'C0 as a function of indexA and bS
******************************************************************************
*/
extern const UWORD8 gu1_ih264_clip_table[52][4];
#endif /* IH264_DEBLK_TABLES_H_ */
|
