1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#ifndef footimevalhfoo
#define footimevalhfoo
/* $Id$ */
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio 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.
PulseAudio 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 PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <pulse/cdecl.h>
#include <pulse/sample.h>
/** \file
* Utility functions for handling timeval calculations */
PA_C_DECL_BEGIN
struct timeval;
/** Return the current timestamp, just like UNIX gettimeofday() */
struct timeval *pa_gettimeofday(struct timeval *tv);
/** Calculate the difference between the two specified timeval
* structs. */
pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b);
/** Compare the two timeval structs and return 0 when equal, negative when a < b, positive otherwse */
int pa_timeval_cmp(const struct timeval *a, const struct timeval *b);
/** Return the time difference between now and the specified timestamp */
pa_usec_t pa_timeval_age(const struct timeval *tv);
/** Add the specified time inmicroseconds to the specified timeval structure */
struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v);
PA_C_DECL_END
#endif
|
