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Diffstat (limited to 'libavutil/adler32-test.c')
-rw-r--r-- | libavutil/adler32-test.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libavutil/adler32-test.c b/libavutil/adler32-test.c new file mode 100644 index 0000000000..ab109f9175 --- /dev/null +++ b/libavutil/adler32-test.c @@ -0,0 +1,51 @@ +/* + * 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 <string.h> + +#include "log.h" +#include "timer.h" +#include "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; +} |