time.h 1.3 KB

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  1. /*
  2. * Copyright (c) 2000-2003 Fabrice Bellard
  3. *
  4. * This file is part of FFmpeg.
  5. *
  6. * FFmpeg is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public
  8. * License as published by the Free Software Foundation; either
  9. * version 2.1 of the License, or (at your option) any later version.
  10. *
  11. * FFmpeg is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. * Lesser General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Lesser General Public
  17. * License along with FFmpeg; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. #ifndef AVUTIL_TIME_H
  21. #define AVUTIL_TIME_H
  22. #include <stdint.h>
  23. /**
  24. * Get the current time in microseconds.
  25. */
  26. int64_t av_gettime(void);
  27. /**
  28. * Sleep for a period of time. Although the duration is expressed in
  29. * microseconds, the actual delay may be rounded to the precision of the
  30. * system timer.
  31. *
  32. * @param usec Number of microseconds to sleep.
  33. * @return zero on success or (negative) error code.
  34. */
  35. int av_usleep(unsigned usec);
  36. #endif /* AVUTIL_TIME_H */