| /* | |
| * 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 | |
| */ | |
| /** | |
| * 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); | |