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

   1 #ifndef foopulsecoreratelimithfoo
   2 #define foopulsecoreratelimithfoo
   3
   4 /***
   5   This file is part of PulseAudio.
   6
   7   Copyright 2009 Lennart Poettering
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as
  11   published by the Free Software Foundation; either version 2.1 of the
  12   License, or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public
  20   License along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <pulse/sample.h>
  26 #include <pulsecore/log.h>
  27 #include <pulsecore/macro.h>
  28
  29 typedef struct pa_ratelimit {
  30     pa_usec_t interval;
  31     unsigned burst;
  32     unsigned n_printed, n_missed;
  33     pa_usec_t begin;
  34 } pa_ratelimit;
  35
  36 #define PA_DEFINE_RATELIMIT(_name, _interval, _burst)   \
  37     pa_ratelimit _name = {                              \
  38         .interval = (_interval),                        \
  39         .burst = (_burst),                              \
  40         .n_printed = 0,                                 \
  41         .n_missed = 0,                                  \
  42         .begin = 0                                      \
  43     }
  44
  45 #define PA_INIT_RATELIMIT(v, _interval, _burst)         \
  46     do {                                                \
  47         pa_ratelimit *r = &(v);                         \
  48         r->interval = (_interval);                      \
  49         r->burst = (_burst);                            \
  50         r->n_printed = 0;                               \
  51         r->n_missed = 0;                                \
  52         r->begin = 0;                                   \
  53     } while (false);
  54
  55 bool pa_ratelimit_test(pa_ratelimit *r, pa_log_level_t t);
  56
  57 #endif