mpegvideo: Move tables to a separate file
[libav.git] / libavcodec / mpegvideodata.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <stdint.h>
20
21 const uint8_t ff_default_chroma_qscale_table[32] = {
22 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
23 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
24 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
25 };
26
27 const uint8_t ff_mpeg1_dc_scale_table[128] = {
28 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
29 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
30 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
31 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
32 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
33 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
34 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
35 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
36 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
37 };
38
39 static const uint8_t mpeg2_dc_scale_table1[128] = {
40 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
41 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
42 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
43 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
44 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
45 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
46 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
47 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
48 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
49 };
50
51 static const uint8_t mpeg2_dc_scale_table2[128] = {
52 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
53 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
54 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
55 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
56 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
57 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
58 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
59 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
60 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
61 };
62
63 static const uint8_t mpeg2_dc_scale_table3[128] = {
64 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
65 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
66 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
67 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
68 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
69 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
70 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
71 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
72 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
73 };
74
75 const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
76 ff_mpeg1_dc_scale_table,
77 mpeg2_dc_scale_table1,
78 mpeg2_dc_scale_table2,
79 mpeg2_dc_scale_table3,
80 };
81
82 const uint8_t ff_alternate_horizontal_scan[64] = {
83 0, 1, 2, 3, 8, 9, 16, 17,
84 10, 11, 4, 5, 6, 7, 15, 14,
85 13, 12, 19, 18, 24, 25, 32, 33,
86 26, 27, 20, 21, 22, 23, 28, 29,
87 30, 31, 34, 35, 40, 41, 48, 49,
88 42, 43, 36, 37, 38, 39, 44, 45,
89 46, 47, 50, 51, 56, 57, 58, 59,
90 52, 53, 54, 55, 60, 61, 62, 63,
91 };
92
93 const uint8_t ff_alternate_vertical_scan[64] = {
94 0, 8, 16, 24, 1, 9, 2, 10,
95 17, 25, 32, 40, 48, 56, 57, 49,
96 41, 33, 26, 18, 3, 11, 4, 12,
97 19, 27, 34, 42, 50, 58, 35, 43,
98 51, 59, 20, 28, 5, 13, 6, 14,
99 21, 29, 36, 44, 52, 60, 37, 45,
100 53, 61, 22, 30, 7, 15, 23, 31,
101 38, 46, 54, 62, 39, 47, 55, 63,
102 };