Creates a copy of datetime and adds the specified number of years to the copy. Add negative values to subtract years.
As with Date.timeAddMonths, if the resulting date would be 29th February on a non-leap year, the day will be clamped to 28th February.
the number of years
the newly created gstreamer.DateTime which should be freed with Date.timeUnref.
2.26
Creates a copy of datetime and adds the specified number of years to the copy. Add negative values to subtract years.
As with Date.timeAddMonths, if the resulting date would be 29th February on a non-leap year, the day will be clamped to 28th February.