for performing concurrent operations
VideoAggregator.getExecutionTaskPool
gst.task_pool.TaskPool getExecutionTaskPool()The returned #GstTaskPool is used internally for performing parallel video format conversions/scaling/etc during the #GstVideoAggregatorPadClass::prepare_frame_start() process. Subclasses can add their own operation to perform using the returned #GstTaskPool during #GstVideoAggregatorClass::aggregate_frames().
Returns
the #GstTaskPool that can be used by subclasses