Clock.getCalibration

void getCalibration(out  gst.types.ClockTime internal,  out  gst.types.ClockTime external,  out  gst.types.ClockTime rateNum,  out  gst.types.ClockTime rateDenom)

Gets the internal rate and reference time of clock. See [gst.clock.Clock.setCalibration] for more information.

internal, external, rate_num, and rate_denom can be left null if the caller is not interested in the values.

Parameters

`internal`	a location to store the internal time
`external`	a location to store the external time
`rateNum`	a location to store the rate numerator
`rateDenom`	a location to store the rate denominator