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mpegvideodata.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 
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 
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] = {
80 };
81 
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 
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 };
const uint8_t ff_mpeg1_dc_scale_table[128]
Definition: mpegvideodata.c:27
uint8_t
static const uint8_t mpeg2_dc_scale_table2[128]
Definition: mpegvideodata.c:51
const uint8_t ff_alternate_horizontal_scan[64]
Definition: mpegvideodata.c:82
const uint8_t *const ff_mpeg2_dc_scale_table[4]
Definition: mpegvideodata.c:75
static const uint8_t mpeg2_dc_scale_table1[128]
Definition: mpegvideodata.c:39
static const uint8_t mpeg2_dc_scale_table3[128]
Definition: mpegvideodata.c:63
const uint8_t ff_default_chroma_qscale_table[32]
Definition: mpegvideodata.c:21
const uint8_t ff_alternate_vertical_scan[64]
Definition: mpegvideodata.c:93