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 */