code.delx.au - pulseaudio/blob - src/pulsecore/rtclock.h

   1 #ifndef foopulsertclockhfoo
   2 #define foopulsertclockhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   Copyright 2004-2006 Lennart Poettering
  10
  11   PulseAudio is free software; you can redistribute it and/or modify
  12   it under the terms of the GNU Lesser General Public License as
  13   published by the Free Software Foundation; either version 2.1 of the
  14   License, or (at your option) any later version.
  15
  16   PulseAudio is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   Lesser General Public License for more details.
  20
  21   You should have received a copy of the GNU Lesser General Public
  22   License along with PulseAudio; if not, write to the Free Software
  23   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  24   USA.
  25 ***/
  26
  27 #include <pulsecore/macro.h>
  28
  29 struct timeval;
  30
  31 /* Something like pulse/timeval.h but based on CLOCK_MONOTONIC */
  32
  33 struct timeval *pa_rtclock_get(struct timeval *ts);
  34
  35 pa_usec_t pa_rtclock_usec(void);
  36
  37 pa_usec_t pa_rtclock_age(const struct timeval *tv);
  38 pa_bool_t pa_rtclock_hrtimer(void);
  39
  40 /* timer with a resolution better than this are considered high-resolution */
  41 #define PA_HRTIMER_THRESHOLD_USEC 10
  42
  43 #endif