2 * Copyright (c) 2006 Reimar Doeffinger
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <lzo/lzo1x.h>
24 #include "libavutil/log.h"
25 #include "libavutil/lzo.h"
26 #include "libavutil/mem.h"
28 #define MAXSZ (10*1024*1024)
30 /* Define one of these to 1 if you wish to benchmark liblzo
31 * instead of our native implementation. */
32 #define BENCHMARK_LIBLZO_SAFE 0
33 #define BENCHMARK_LIBLZO_UNSAFE 0
35 int main(int argc, char *argv[]) {
36 FILE *in = fopen(argv[1], "rb");
37 int comp_level = argc > 2 ? atoi(argv[2]) : 0;
38 uint8_t *orig = av_malloc(MAXSZ + 16);
39 uint8_t *comp = av_malloc(2*MAXSZ + 16);
40 uint8_t *decomp = av_malloc(MAXSZ + 16);
41 size_t s = fread(orig, 1, MAXSZ, in);
43 long tmp[LZO1X_MEM_COMPRESS];
46 av_log_set_level(AV_LOG_DEBUG);
47 if (comp_level == 0) {
48 lzo1x_1_compress(orig, s, comp, &clen, tmp);
49 } else if (comp_level == 11) {
50 lzo1x_1_11_compress(orig, s, comp, &clen, tmp);
51 } else if (comp_level == 12) {
52 lzo1x_1_12_compress(orig, s, comp, &clen, tmp);
53 } else if (comp_level == 15) {
54 lzo1x_1_15_compress(orig, s, comp, &clen, tmp);
56 lzo1x_999_compress(orig, s, comp, &clen, tmp);
57 for (i = 0; i < 300; i++) {
59 inlen = clen; outlen = MAXSZ;
60 #if BENCHMARK_LIBLZO_SAFE
61 if (lzo1x_decompress_safe(comp, inlen, decomp, &outlen, NULL))
62 #elif BENCHMARK_LIBLZO_UNSAFE
63 if (lzo1x_decompress(comp, inlen, decomp, &outlen, NULL))
65 if (av_lzo1x_decode(decomp, &outlen, comp, &inlen))
67 av_log(NULL, AV_LOG_ERROR, "decompression error\n");
70 if (memcmp(orig, decomp, s))
71 av_log(NULL, AV_LOG_ERROR, "decompression incorrect\n");
73 av_log(NULL, AV_LOG_ERROR, "decompression OK\n");