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-rw-r--r--libavdevice/timefilter.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/libavdevice/timefilter.c b/libavdevice/timefilter.c
index 2e26b27..8f52fc5 100644
--- a/libavdevice/timefilter.c
+++ b/libavdevice/timefilter.c
@@ -28,8 +28,8 @@
#include "timefilter.h"
struct TimeFilter {
- /// Delay Locked Loop data. These variables refer to mathematical
- /// concepts described in: http://www.kokkinizita.net/papers/usingdll.pdf
+ // Delay Locked Loop data. These variables refer to mathematical
+ // concepts described in: http://www.kokkinizita.net/papers/usingdll.pdf
double cycle_time;
double feedback2_factor;
double feedback3_factor;
@@ -62,15 +62,12 @@ double ff_timefilter_update(TimeFilter *self, double system_time, double period)
{
self->count++;
if (self->count == 1) {
- /// init loop
self->cycle_time = system_time;
} else {
double loop_error;
self->cycle_time += self->clock_period * period;
- /// calculate loop error
loop_error = system_time - self->cycle_time;
- /// update loop
self->cycle_time += FFMAX(self->feedback2_factor, 1.0 / self->count) * loop_error;
self->clock_period += self->feedback3_factor * loop_error / period;
}
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