aboutsummaryrefslogtreecommitdiffstats
path: root/libavutil/lzo-test.c
blob: e28fbe53fcac90ee813b30492ebd266a11e40af5 (plain) (blame)
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
/*
 * 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 <lzo/lzo1x.h>
#include "log.h"
#include "lzo.h"
#include "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++) {
START_TIMER
        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");
STOP_TIMER("lzod")
    }
    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;
}