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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright (c) 2003 Michael Niedermayer
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* ASUS V1/V2 encoder/decoder common data
*/
#include <stdint.h>
#include "asv.h"
#include "avcodec.h"
#include "bswapdsp.h"
const uint8_t ff_asv_scantab[64] = {
0x00, 0x08, 0x01, 0x09, 0x10, 0x18, 0x11, 0x19,
0x02, 0x0A, 0x03, 0x0B, 0x12, 0x1A, 0x13, 0x1B,
0x04, 0x0C, 0x05, 0x0D, 0x20, 0x28, 0x21, 0x29,
0x06, 0x0E, 0x07, 0x0F, 0x14, 0x1C, 0x15, 0x1D,
0x22, 0x2A, 0x23, 0x2B, 0x30, 0x38, 0x31, 0x39,
0x16, 0x1E, 0x17, 0x1F, 0x24, 0x2C, 0x25, 0x2D,
0x32, 0x3A, 0x33, 0x3B, 0x26, 0x2E, 0x27, 0x2F,
0x34, 0x3C, 0x35, 0x3D, 0x36, 0x3E, 0x37, 0x3F,
};
const uint8_t ff_asv_ccp_tab[17][2] = {
{ 0x2, 2 }, { 0x7, 5 }, { 0xB, 5 }, { 0x3, 5 },
{ 0xD, 5 }, { 0x5, 5 }, { 0x9, 5 }, { 0x1, 5 },
{ 0xE, 5 }, { 0x6, 5 }, { 0xA, 5 }, { 0x2, 5 },
{ 0xC, 5 }, { 0x4, 5 }, { 0x8, 5 }, { 0x3, 2 },
{ 0xF, 5 }, // EOB
};
const uint8_t ff_asv_level_tab[7][2] = {
{ 3, 4 }, { 3, 3 }, { 3, 2 }, { 0, 3 }, { 2, 2 }, { 2, 3 }, { 2, 4 }
};
const uint8_t ff_asv_dc_ccp_tab[8][2] = {
{ 0x1, 2 }, { 0xD, 4 }, { 0xF, 4 }, { 0xC, 4 },
{ 0x5, 3 }, { 0xE, 4 }, { 0x4, 3 }, { 0x0, 2 },
};
const uint8_t ff_asv_ac_ccp_tab[16][2] = {
{ 0x00, 2 }, { 0x3B, 6 }, { 0x0A, 4 }, { 0x3A, 6 },
{ 0x02, 3 }, { 0x39, 6 }, { 0x3C, 6 }, { 0x38, 6 },
{ 0x03, 3 }, { 0x3D, 6 }, { 0x08, 4 }, { 0x1F, 5 },
{ 0x09, 4 }, { 0x0B, 4 }, { 0x0D, 4 }, { 0x0C, 4 },
};
const uint8_t ff_asv2_level_tab[63][2] = {
{ 0x3F, 10 }, { 0x2F, 10 }, { 0x37, 10 }, { 0x27, 10 }, { 0x3B, 10 }, { 0x2B, 10 }, { 0x33, 10 }, { 0x23, 10 },
{ 0x3D, 10 }, { 0x2D, 10 }, { 0x35, 10 }, { 0x25, 10 }, { 0x39, 10 }, { 0x29, 10 }, { 0x31, 10 }, { 0x21, 10 },
{ 0x1F, 8 }, { 0x17, 8 }, { 0x1B, 8 }, { 0x13, 8 }, { 0x1D, 8 }, { 0x15, 8 }, { 0x19, 8 }, { 0x11, 8 },
{ 0x0F, 6 }, { 0x0B, 6 }, { 0x0D, 6 }, { 0x09, 6 },
{ 0x07, 4 }, { 0x05, 4 },
{ 0x03, 2 },
{ 0x00, 5 },
{ 0x02, 2 },
{ 0x04, 4 }, { 0x06, 4 },
{ 0x08, 6 }, { 0x0C, 6 }, { 0x0A, 6 }, { 0x0E, 6 },
{ 0x10, 8 }, { 0x18, 8 }, { 0x14, 8 }, { 0x1C, 8 }, { 0x12, 8 }, { 0x1A, 8 }, { 0x16, 8 }, { 0x1E, 8 },
{ 0x20, 10 }, { 0x30, 10 }, { 0x28, 10 }, { 0x38, 10 }, { 0x24, 10 }, { 0x34, 10 }, { 0x2C, 10 }, { 0x3C, 10 },
{ 0x22, 10 }, { 0x32, 10 }, { 0x2A, 10 }, { 0x3A, 10 }, { 0x26, 10 }, { 0x36, 10 }, { 0x2E, 10 }, { 0x3E, 10 },
};
av_cold void ff_asv_common_init(AVCodecContext *avctx)
{
ASV1Context *const a = avctx->priv_data;
ff_bswapdsp_init(&a->bbdsp);
a->mb_width = (avctx->width + 15) / 16;
a->mb_height = (avctx->height + 15) / 16;
a->mb_width2 = (avctx->width + 0) / 16;
a->mb_height2 = (avctx->height + 0) / 16;
a->avctx = avctx;
}
|
