1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19// LCOV_EXCL_START 20 21#include "libavutil/timer.h" 22 23#include <string.h> 24 25#include "libavutil/log.h" 26#include "libavutil/adler32.h" 27 28#define LEN 7001 29 30int main(int argc, char **argv) 31{ 32 int i; 33 uint8_t data[LEN]; 34 AVAdler checksum; 35 36 av_log_set_level(AV_LOG_DEBUG); 37 38 for (i = 0; i < LEN; i++) 39 data[i] = ((i * i) >> 3) + 123 * i; 40 41 if (argc > 1 && !strcmp(argv[1], "-t")) { 42 for (i = 0; i < 1000; i++) { 43 START_TIMER; 44 checksum = av_adler32_update(1, data, LEN); 45 STOP_TIMER("adler"); 46 } 47 } else { 48 checksum = av_adler32_update(1, data, LEN); 49 } 50 51 av_log(NULL, AV_LOG_DEBUG, "%X (expected 50E6E508)\n", checksum); 52 return checksum == 0x50e6e508 ? 0 : 1; 53} 54// LCOV_EXCL_STOP 55