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Originally committed as revision 17847 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2009-03-06 00:48:02 +00:00
parent 2e51dedd24
commit bc3057f499
1 changed files with 3 additions and 3 deletions
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6
libavformat/timefilter.c
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@ -59,15 +59,15 @@ double ff_timefilter_update(TimeFilter *self, double system_time, double period)
self->count++; self->count++;
if (self->count==1) { if (self->count==1) {
/// init loop /// init loop
self->cycle_time = system_time; self->cycle_time = system_time;
} else { } else {
double loop_error; double loop_error;
self->cycle_time += self->clock_period * period; self->cycle_time += self->clock_period * period;
/// calculate loop error /// calculate loop error
loop_error = system_time - self->cycle_time; loop_error = system_time - self->cycle_time;
/// update loop /// update loop
self->cycle_time += FFMAX(self->feedback2_factor, 1.0/(self->count)) * loop_error; self->cycle_time += FFMAX(self->feedback2_factor, 1.0/(self->count)) * loop_error;
self->clock_period += self->feedback3_factor * loop_error / period; self->clock_period += self->feedback3_factor * loop_error / period;
} }
return self->cycle_time; return self->cycle_time;