gstreamer-1.0 doesn't work

[kostya]

I have trouble with gstreamer-1.0.
Command 

/gst-launch-0.10 -e -v rtspsrc
location=rtsp://192.168.0.70/udpstream_ch1_stream1 latency=0 ! rtph264depay
! "video/x-h264,width=1280,height=720,framerate=(fraction)25/1" ! avimux !
filesink location=~/stream.avi/

works fine. But if execute exactly command with gst-launch-1.0 there is
result
/
ERROR: from element
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstUDPSrc:udpsrc1: Internal data
flow error.
Additional debug info:
gstbasesrc.c(2865): gst_base_src_loop ():
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstUDPSrc:udpsrc1:
streaming task paused, reason not-negotiated (-4)/

Why is it happened?



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