diff options
Diffstat (limited to 'src/pulse/timeval.h')
| -rw-r--r-- | src/pulse/timeval.h | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/src/pulse/timeval.h b/src/pulse/timeval.h index e2dbbadb..ee398296 100644 --- a/src/pulse/timeval.h +++ b/src/pulse/timeval.h @@ -1,21 +1,22 @@ #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 @@ -23,6 +24,7 @@ ***/ #include <pulse/cdecl.h> +#include <pulse/gccmacro.h> #include <pulse/sample.h> /** \file @@ -30,6 +32,13 @@ PA_C_DECL_BEGIN +#define PA_MSEC_PER_SEC ((pa_usec_t) 1000ULL) +#define PA_USEC_PER_SEC ((pa_usec_t) 1000000ULL) +#define PA_NSEC_PER_SEC ((pa_usec_t) 1000000000ULL) +#define PA_USEC_PER_MSEC ((pa_usec_t) 1000ULL) +#define PA_NSEC_PER_MSEC ((pa_usec_t) 1000000ULL) +#define PA_NSEC_PER_USEC ((pa_usec_t) 1000ULL) + struct timeval; /** Return the current timestamp, just like UNIX gettimeofday() */ @@ -37,10 +46,10 @@ 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); +pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) PA_GCC_PURE; /** 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); +int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) PA_GCC_PURE; /** Return the time difference between now and the specified timestamp */ pa_usec_t pa_timeval_age(const struct timeval *tv); @@ -48,6 +57,15 @@ 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); +/** Subtract the specified time inmicroseconds to the specified timeval structure. \since 0.9.11 */ +struct timeval* pa_timeval_sub(struct timeval *tv, pa_usec_t v); + +/** Store the specified uec value in the timeval struct. \since 0.9.7 */ +struct timeval* pa_timeval_store(struct timeval *tv, pa_usec_t v); + +/** Load the specified tv value and return it in usec. \since 0.9.7 */ +pa_usec_t pa_timeval_load(const struct timeval *tv); + PA_C_DECL_END #endif |