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| author | Olivier Langlois <olivier@trillion01.com> | 2014-05-12 16:26:36 -0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-05-18 16:10:12 +0200 |
| commit | 0a150670476bc8c38df7add4c59826bff73c204e (patch) | |
| tree | d6c414f6c63a0fd329ee956895cce338b3f9ff08 /libavdevice/v4l2.c | |
| parent | 6e8fe448154e1aa0928cb0d2e1aecb7255c751cc (diff) | |
| download | ffmpeg-0a150670476bc8c38df7add4c59826bff73c204e.tar.gz | |
lavd: Use av_gettime_relative()
Whenever av_gettime() is used to measure relative period of time,
av_gettime_relative() is prefered as it guarantee monotonic time
on supported platforms.
Since v4l2 is compiled only on Linux where av_gettime_relative()
is monotonic, a small wrapper function av_gettime_monotonic() is used
(should be inlined the compiler) to put emphasis on that fact.
Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavdevice/v4l2.c')
| -rw-r--r-- | libavdevice/v4l2.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c index 4b3f6a8c73..bbd4892cde 100644 --- a/libavdevice/v4l2.c +++ b/libavdevice/v4l2.c @@ -427,10 +427,7 @@ static void mmap_release_buffer(void *opaque, uint8_t *data) #if HAVE_CLOCK_GETTIME && defined(CLOCK_MONOTONIC) static int64_t av_gettime_monotonic(void) { - struct timespec tv; - - clock_gettime(CLOCK_MONOTONIC, &tv); - return (int64_t)tv.tv_sec * 1000000 + tv.tv_nsec / 1000; + return av_gettime_relative(); } #endif |