is gstreamer support one element's data flow to mutli element

[Wang Zhenzhong]

such as this
h264dec --->h264enc(1080P) --->rtp
---->h264enc(720P) --->rtp
---->h264enc(4CIF)--->rtp
---->h264enc(CIF)--->rtp


or 
rtpdec--->file record
   ---->h264dec---->h264enc(CIF) ---->rtpenc


if support this, how implement?

thanks every body





王振中
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