diff options
Diffstat (limited to 'libavdevice/timefilter.h')
| -rw-r--r-- | libavdevice/timefilter.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libavdevice/timefilter.h b/libavdevice/timefilter.h index 2a77946e99..33862f63bb 100644 --- a/libavdevice/timefilter.h +++ b/libavdevice/timefilter.h @@ -45,16 +45,18 @@ typedef struct TimeFilter TimeFilter; * * Unless you know what you are doing, you should set these as follow: * - * o = 2 * M_PI * bandwidth * period - * feedback2_factor = sqrt(2 * o) + * o = 2 * M_PI * bandwidth * period_in_seconds + * feedback2_factor = sqrt(2) * o * feedback3_factor = o * o * * Where bandwidth is up to you to choose. Smaller values will filter out more * of the jitter, but also take a longer time for the loop to settle. A good * starting point is something between 0.3 and 3 Hz. * - * @param clock_period period of the hardware clock in seconds - * (for example 1.0/44100) + * @param time_base period of the hardware clock in seconds + * (for example 1.0/44100) + * @param period expected update interval, in input units + * @param brandwidth filtering bandwidth, in Hz * * For more details about these parameters and background concepts please see: * http://www.kokkinizita.net/papers/usingdll.pdf |