time.h (1233B)
1 /* 2 * This file is part of Libav. 3 * 4 * Libav 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 * Libav 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 Libav; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #ifndef AVUTIL_TIME_H 20 #define AVUTIL_TIME_H 21 22 #include <stdint.h> 23 24 /** 25 * Get the current time in microseconds. 26 */ 27 int64_t av_gettime(void); 28 29 /** 30 * Sleep for a period of time. Although the duration is expressed in 31 * microseconds, the actual delay may be rounded to the precision of the 32 * system timer. 33 * 34 * @param usec Number of microseconds to sleep. 35 * @return zero on success or (negative) error code. 36 */ 37 int av_usleep(unsigned usec); 38 39 #endif /* AVUTIL_TIME_H */