/* * 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 #include #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; }