1 /******************************************************************************
2  *
3  * Copyright (C) 2015 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #ifndef __IMPEG2D_VLD_TABLES_H__
21 #define __IMPEG2D_VLD_TABLES_H__
22 
23 
24 #define MB_ADDR_INCR_OFFSET       34
25 #define MB_ADDR_INCR_LEN          11
26 #define MB_TYPE_LEN               6
27 #define MV_CODE_LEN               11
28 #define MB_CBP_LEN                9
29 
30 
31 
32 #define MB_BIDRECT          0x20
33 #define MB_QUANT            0x10
34 #define MB_MV_FORW          0x8
35 #define MB_MV_BACK          0x4
36 #define MB_PATTERN          0x2
37 #define MB_TYPE_INTRA       0x1
38 #define MB_FORW_OR_BACK     (MB_MV_FORW    | MB_MV_BACK)
39 #define MB_CODED            (MB_TYPE_INTRA | MB_PATTERN)
40 
41 
42 #define MPEG2_MB_ADDR_INCR_OFFSET       34
43 #define MPEG2_INTRA_MBTYPE_OFFSET       69
44 #define MPEG2_INTER_MBTYPE_OFFSET       105
45 #define MPEG2_BVOP_MBTYPE_OFFSET        125
46 #define MPEG2_DCT_DC_SIZE_OFFSET        12
47 #define MPEG2_CBP_OFFSET                64
48 #define MPEG2_MOTION_CODE_OFFSET        17
49 #define MPEG2_DMV_OFFSET                2
50 
51 #define MPEG2_AC_COEFF_MAX_LEN          16
52 #define MB_ADDR_INCR_LEN                11
53 #define MPEG2_INTRA_MBTYPE_LEN          2
54 #define MPEG2_INTER_MBTYPE_LEN          6
55 
56 #define MPEG2_DCT_DC_SIZE_LEN           9
57 #define MPEG2_DCT_DC_LUMA_SIZE_LEN      9
58 #define MPEG2_DCT_DC_CHROMA_SIZE_LEN    10
59 #define MPEG2_CBP_LEN                   9
60 #define MPEG2_MOTION_CODE_LEN           11
61 #define MPEG2_DMV_LEN                   2
62 
63 #define END_OF_BLOCK                    0x01
64 #define ESCAPE_CODE                     0x06
65 
66 /* Table to be used for decoding the MB increment value */
67 extern const WORD16  gai2_impeg2d_mb_addr_incr[][2];
68 extern const WORD16  gai2_impeg2d_dct_dc_size[][11][2];
69 
70 extern const UWORD16 gau2_impeg2d_dct_coeff_zero[];
71 extern const UWORD16 gau2_impeg2d_dct_coeff_one[];
72 extern const UWORD16 gau2_impeg2d_offset_zero[];
73 extern const UWORD16 gau2_impeg2d_offset_one[];
74 
75 extern const UWORD16 gau2_impeg2d_tab_zero_1_9[];
76 extern const UWORD16 gau2_impeg2d_tab_one_1_9[];
77 extern const UWORD16 gau2_impeg2d_tab_zero_10_16[];
78 extern const UWORD16 gau2_impeg2d_tab_one_10_16[];
79 
80 extern const UWORD16 gau2_impeg2d_p_mb_type[];
81 extern const UWORD16 gau2_impeg2d_b_mb_type[];
82 extern const UWORD16 gau2_impeg2d_mv_code[];
83 extern const WORD16  gai2_impeg2d_dec_mv[4];
84 extern const UWORD16 gau2_impeg2d_cbp_code[];
85 
86 
87 #endif /* __IMPEG2D_VLD_TABLES_H__ */
88 
89