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
96
97
98
99
|
/*
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <stdio.h>
#include "libavutil/mem.h"
#include "get_bits.h"
#include "golomb.h"
#include "put_bits.h"
#define COUNT 8191
#define SIZE (COUNT * 4)
int main(void)
{
int i, ret = 0;
uint8_t *temp;
PutBitContext pb;
GetBitContext gb;
temp = av_malloc(SIZE);
if (!temp)
return 2;
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_ue_golomb(&pb, i);
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits(&gb, 25);
j = get_ue_golomb(&gb);
if (j != i) {
fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n",
i, j, s);
ret = 1;
}
}
#define EXTEND(i) ((i) << 3 | (i) & 7)
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_ue_golomb(&pb, EXTEND(i));
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits_long(&gb, 32);
j = get_ue_golomb_long(&gb);
if (j != EXTEND(i)) {
fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. "
"bits: %8x\n", EXTEND(i), j, s);
ret = 1;
}
}
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_se_golomb(&pb, i - COUNT / 2);
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits(&gb, 25);
j = get_se_golomb(&gb);
if (j != i - COUNT / 2) {
fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n",
i - COUNT / 2, j, s);
ret = 1;
}
}
av_free(temp);
return ret;
}
|
