Gets the internal rate and reference time of clock. See gst_clock_set_calibration() for more information. internal, external, rate_num, and rate_denom can be left NULL if the caller is not interested in the values. MT safe.
a location to store the internal time. out[allow-none]
a location to store the external time. out[allow-none]
a location to store the rate numerator. out[allow-none]
a location to store the rate denominator. out[allow-none]
See Implementation
Gets the internal rate and reference time of clock. See gst_clock_set_calibration() for more information. internal, external, rate_num, and rate_denom can be left NULL if the caller is not interested in the values. MT safe.