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Store previous reported time in order to assure a monotonic clock.

Browse source 
This is a resurrection of a feature previously removed. The new version
is without the race condition of the original one.


git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/ossman@442 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-01-10 12:45:11 +00:00
parent d429222476
commit 1015ea4241
2 changed files with 14 additions and 0 deletions
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12
polyp/polyplib-stream.c
View file

@ -65,6 +65,8 @@ struct pa_stream *pa_stream_new(struct pa_context *c, const char *name, const st
s->mcalign = pa_mcalign_new(pa_frame_size(ss), c->memblock_stat);
s->counter = 0;
s->previous_time = 0;
s->previous_ipol_time = 0;
s->corked = 0;
s->interpolate = 0;
@ -697,6 +699,11 @@ pa_usec_t pa_stream_get_time(struct pa_stream *s, const struct pa_latency_info *
}
}
if (usec < s->previous_time)
usec = s->previous_time;
s->previous_time = usec;
return usec;
}
@ -756,6 +763,11 @@ pa_usec_t pa_stream_get_interpolated_time(struct pa_stream *s) {
usec = s->ipol_usec + pa_timeval_age(&s->ipol_timestamp);
}
if (usec < s->previous_ipol_time)
usec = s->previous_ipol_time;
s->previous_ipol_time = usec;
return usec;
}