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libobs: Use clamped video time for async timing 

When playing back buffered async frames, this reduces the probability
that new frames will be missed/skipped due to jitter in the system
timestamps.

If a buffered async source is playing at the same framerate as the
compositor and there is no jitter in the async source's timestamps, then
the async source will play back perfectly in sync with the compositor
thanks to this change, ensuring that there's no skipped or missed frames
in video playback.
master
jp9000 2015-06-04 17:08:42 -07:00
parent 51dd204c6f
commit 35a35badeb
1 changed files with 1 additions and 1 deletions
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2
libobs/obs-source.c
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@ -782,7 +782,7 @@ void obs_source_video_tick(obs_source_t *source, float seconds)
if (!source) return;
if ((source->info.output_flags & OBS_SOURCE_ASYNC) != 0) {
uint64_t sys_time = os_gettime_ns();
uint64_t sys_time = obs->video.video_time;
pthread_mutex_lock(&source->async_mutex);
if (source->cur_async_frame) {