2 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/log.h"
23 #include "libavutil/timer.h"
24 #include "libavutil/adler32.h"
28 static volatile int checksum;
30 int main(int argc, char **argv)
35 av_log_set_level(AV_LOG_DEBUG);
37 for (i = 0; i < LEN; i++)
38 data[i] = ((i * i) >> 3) + 123 * i;
40 if (argc > 1 && !strcmp(argv[1], "-t")) {
41 for (i = 0; i < 1000; i++) {
43 checksum = av_adler32_update(1, data, LEN);
47 checksum = av_adler32_update(1, data, LEN);
50 av_log(NULL, AV_LOG_DEBUG, "%X (expected 50E6E508)\n", checksum);
51 return checksum == 0x50e6e508 ? 0 : 1;