/* * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "libavutil/log.h" #include "libavutil/timer.h" #include "libavutil/adler32.h" #define LEN 7001 static volatile int checksum; int main(int argc, char **argv) { int i; char data[LEN]; av_log_set_level(AV_LOG_DEBUG); for (i = 0; i < LEN; i++) data[i] = ((i * i) >> 3) + 123 * i; if (argc > 1 && !strcmp(argv[1], "-t")) { for (i = 0; i < 1000; i++) { START_TIMER; checksum = av_adler32_update(1, data, LEN); STOP_TIMER("adler"); } } else { checksum = av_adler32_update(1, data, LEN); } av_log(NULL, AV_LOG_DEBUG, "%X (expected 50E6E508)\n", checksum); return checksum == 0x50e6e508 ? 0 : 1; }