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
|
/*
* Copyright (c) 2006 Reimar Doeffinger
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lzo/lzo1x.h>
#include "libavutil/log.h"
#include "libavutil/lzo.h"
#include "libavutil/mem.h"
#define MAXSZ (10*1024*1024)
/* Define one of these to 1 if you wish to benchmark liblzo
* instead of our native implementation. */
#define BENCHMARK_LIBLZO_SAFE 0
#define BENCHMARK_LIBLZO_UNSAFE 0
int main(int argc, char *argv[]) {
FILE *in = fopen(argv[1], "rb");
int comp_level = argc > 2 ? atoi(argv[2]) : 0;
uint8_t *orig = av_malloc(MAXSZ + 16);
uint8_t *comp = av_malloc(2*MAXSZ + 16);
uint8_t *decomp = av_malloc(MAXSZ + 16);
size_t s = fread(orig, 1, MAXSZ, in);
lzo_uint clen = 0;
long tmp[LZO1X_MEM_COMPRESS];
int inlen, outlen;
int i;
av_log_set_level(AV_LOG_DEBUG);
if (comp_level == 0) {
lzo1x_1_compress(orig, s, comp, &clen, tmp);
} else if (comp_level == 11) {
lzo1x_1_11_compress(orig, s, comp, &clen, tmp);
} else if (comp_level == 12) {
lzo1x_1_12_compress(orig, s, comp, &clen, tmp);
} else if (comp_level == 15) {
lzo1x_1_15_compress(orig, s, comp, &clen, tmp);
} else
lzo1x_999_compress(orig, s, comp, &clen, tmp);
for (i = 0; i < 300; i++) {
inlen = clen; outlen = MAXSZ;
#if BENCHMARK_LIBLZO_SAFE
if (lzo1x_decompress_safe(comp, inlen, decomp, &outlen, NULL))
#elif BENCHMARK_LIBLZO_UNSAFE
if (lzo1x_decompress(comp, inlen, decomp, &outlen, NULL))
#else
if (av_lzo1x_decode(decomp, &outlen, comp, &inlen))
#endif
av_log(NULL, AV_LOG_ERROR, "decompression error\n");
}
if (memcmp(orig, decomp, s))
av_log(NULL, AV_LOG_ERROR, "decompression incorrect\n");
else
av_log(NULL, AV_LOG_ERROR, "decompression OK\n");
fclose(in);
av_free(orig);
av_free(comp);
av_free(decomp);
return 0;
}
|
