gst-launch-1.0 -v \
videotestsrc num-buffers=50 pattern=0 ! video/x-raw,format=NV12,width=640,height=480 ! funnel.sink_0 \
videotestsrc num-buffers=80 pattern=19 ! video/x-raw,format=NV12,width=640,height=480 ! funnel.sink_1 \
vvas_xfunnel name=funnel ! identity ! vvas_xdefunnel name=defunnel \
defunnel.src_0 ! queue ! filesink location=sink_0.yuv \
defunnel.src_1 ! queue ! filesink location=sink_1.yuv