| /* |
| * 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 */ |
