1/* 2 * Copyright (c) 2006 Reimar Doeffinger 3 * 4 * This file is part of FFmpeg. 5 * 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. 10 * 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. 15 * 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 19 */ 20 21#include <stdio.h> 22#include <lzo/lzo1x.h> 23 24#include "libavutil/log.h" 25#include "libavutil/lzo.h" 26#include "libavutil/mem.h" 27 28#define MAXSZ (10*1024*1024) 29 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 34 35int 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); 42 lzo_uint clen = 0; 43 long tmp[LZO1X_MEM_COMPRESS]; 44 int inlen, outlen; 45 int i; 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); 55 } else 56 lzo1x_999_compress(orig, s, comp, &clen, tmp); 57 for (i = 0; i < 300; i++) { 58 inlen = clen; outlen = MAXSZ; 59#if BENCHMARK_LIBLZO_SAFE 60 if (lzo1x_decompress_safe(comp, inlen, decomp, &outlen, NULL)) 61#elif BENCHMARK_LIBLZO_UNSAFE 62 if (lzo1x_decompress(comp, inlen, decomp, &outlen, NULL)) 63#else 64 if (av_lzo1x_decode(decomp, &outlen, comp, &inlen)) 65#endif 66 av_log(NULL, AV_LOG_ERROR, "decompression error\n"); 67 } 68 if (memcmp(orig, decomp, s)) 69 av_log(NULL, AV_LOG_ERROR, "decompression incorrect\n"); 70 else 71 av_log(NULL, AV_LOG_ERROR, "decompression OK\n"); 72 fclose(in); 73 av_free(orig); 74 av_free(comp); 75 av_free(decomp); 76 return 0; 77} 78