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| | | /* |
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| | | * Copyright (c) 2000-2003 Fabrice Bellard |
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| | | * |
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| | | * This file is part of FFmpeg. |
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| | | * |
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| | | * FFmpeg is free software; you can redistribute it and/or |
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| | | * modify it under the terms of the GNU Lesser General Public |
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| | | * License as published by the Free Software Foundation; either |
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| | | * version 2.1 of the License, or (at your option) any later version. |
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| | | * |
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| | | * FFmpeg is distributed in the hope that it will be useful, |
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| | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| | | * Lesser General Public License for more details. |
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| | | * |
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| | | * You should have received a copy of the GNU Lesser General Public |
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| | | * License along with FFmpeg; if not, write to the Free Software |
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| | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| | | */ |
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| | | |
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| | | #ifndef AVUTIL_TIME_H |
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| | | #define AVUTIL_TIME_H |
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| | | |
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| | | #include <stdint.h> |
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| | | |
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| | | /** |
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| | | * Get the current time in microseconds. |
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| | | */ |
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| | | int64_t av_gettime(void); |
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| | | |
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| | | /** |
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| | | * Get the current time in microseconds since some unspecified starting point. |
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| | | * On platforms that support it, the time comes from a monotonic clock |
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| | | * This property makes this time source ideal for measuring relative time. |
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| | | * The returned values may not be monotonic on platforms where a monotonic |
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| | | * clock is not available. |
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| | | */ |
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| | | int64_t av_gettime_relative(void); |
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| | | |
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| | | /** |
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| | | * Indicates with a boolean result if the av_gettime_relative() time source |
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| | | * is monotonic. |
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| | | */ |
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| | | int av_gettime_relative_is_monotonic(void); |
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| | | |
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| | | /** |
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| | | * Sleep for a period of time. Although the duration is expressed in |
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| | | * microseconds, the actual delay may be rounded to the precision of the |
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| | | * system timer. |
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| | | * |
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| | | * @param usec Number of microseconds to sleep. |
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| | | * @return zero on success or (negative) error code. |
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| | | */ |
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| | | int av_usleep(unsigned usec); |
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| | | |
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| | | #endif /* AVUTIL_TIME_H */ |
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