Relevant vvas_xinfer code paths:
propose_allocation();prepare_ppe_input_frame();prepare_infer_input_frame();vvas_xinfer_ensure_xrt_input_buffer();vvas_xinfer_copy_input_buffer();vvas_xinfer_allocate_sink_internal_pool();vvas_videoframe_from_gstbuffer();gst_vvas_memory_sync_bo().