Requests the pad to check and update the converter before the next usage to update for any changes that have happened.
Returns the currently queued buffer that is going to be used for the current output frame.
Returns the currently prepared video frame that has to be aggregated into the current output frame.
Checks if the pad currently has a buffer queued that is going to be used for the current output frame.
Allows selecting that this pad requires an output format with alpha
An implementation of GstPad that can be used with #GstVideoAggregator.
See #GstVideoAggregator for more details.