Advances the time of the test_clock by the amount given by delta. The time of test_clock is monotonically increasing, therefore providing a delta which is negative or zero is a programming error.
MT safe.
a positive #GstClockTimeDiff to be added to the time of the clock
Advances the time of the test_clock by the amount given by delta. The time of test_clock is monotonically increasing, therefore providing a delta which is negative or zero is a programming error.
MT safe.