/*
* Copyright ( c ) 2000 - 2003 Fabrice Bellard
*
* This file is part of FFmpeg .
*
* FFmpeg 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 .
*
* FFmpeg 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 FFmpeg ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA
*/
#ifndef AVUTIL_TIME_H
#define AVUTIL_TIME_H
#include <stdint.h>
/**
* Get the current time in microseconds .
*/
int64_t av_gettime(void );
/**
* Get the current time in microseconds since some unspecified starting point .
* On platforms that support it , the time comes from a monotonic clock
* This property makes this time source ideal for measuring relative time .
* The returned values may not be monotonic on platforms where a monotonic
* clock is not available .
*/
int64_t av_gettime_relative(void );
/**
* Indicates with a boolean result if the av_gettime_relative ( ) time source
* is monotonic .
*/
int av_gettime_relative_is_monotonic(void );
/**
* Sleep for a period of time . Although the duration is expressed in
* microseconds , the actual delay may be rounded to the precision of the
* system timer .
*
* @ param usec Number of microseconds to sleep .
* @ return zero on success or ( negative ) error code .
*/
int av_usleep(unsigned usec);
#endif /* AVUTIL_TIME_H */
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