Retrieve the accumulated running time offset of the event.
Events passing through #GstPads that have a running time
offset set via gst_pad_set_offset() will get their offset
adjusted according to the pad's offset.
If the event contains any information that related to the
running time, this information will need to be updated
before usage with this offset.
Retrieve the accumulated running time offset of the event.
Events passing through #GstPads that have a running time offset set via gst_pad_set_offset() will get their offset adjusted according to the pad's offset.
If the event contains any information that related to the running time, this information will need to be updated before usage with this offset.
Return: The event's running time offset
MT safe.