Internal data flow error, Gstreamer-1.2

[Weavel]

Hi all,
I'm trying to build an rtsp pipeline with h264 codecs on Gstreamer-1.2, but
i'm meeting some problems. I made a rtspserver (in here
http://pastebin.com/VdS5thTM which you have to pass pipeline in argument).

I have Gstreamer-1.2 (and all plugins necessary good, bad, ugly, base,
rtsp-server...) working under linux debian 3.4.2

Compilation : gcc rtspserver.c -o daemon `pkg-config --cflags --libs
gstreamer-1.0 gstreamer-rtsp-server-1.0`

When i launch the command GST_DEBUG=4 ./daemon videotestsrc ! videoconvert !
videorate ! videoscale ! x264enc ! h264parse ! rtph264pay name=pay0 pt=96
config-interval=0

And launch on the client side gst-play-1.0 rtsp://10.1.100.100:8554/test or
vlc rtsp://10.1.100.100:8554/test

I have this delog on server http://pastebin.com/fgpTWvF0
And this delog on client http://pastebin.com/N46sU2Nq

I got Internal data flow error due to the unlinking element, but it does
link all of them in the debug log, so i don't know the causes.
I saw topics talking about caps like
video/x-h264,stream-format=avc,alignment=au between h264parse and rtph264pay
but no succes.
Or topics talking about setting config-interval different from 0, but still
no succes.

*Any help is welcome*
*Regards & Thanks* 
*Weavel*



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