mirror of
				https://github.com/ossrs/srs.git
				synced 2025-03-09 15:49:59 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			56 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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 */
 |