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hi,

i test gstreamer pipeline of HOST PC in https://www.ridgerun.com/developer/wiki/index.php/LeopardBoard_365_GStreamer_Pipelines_-_SDK_2011Q2.

i run

gst-launch  udpsrc port=5000 ! 'application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQCgC3I\,aO48sA\=\=", payload=(int)96, ssrc=(uint)974675750, clock-base=(uint)4028785573, seqnum-base=(uint)25113' ! rtph264depay ! ffdec_h264 ! xvimagesink sync=false

the caps 'application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQCgC3I\,aO48sA\=\=", payload=(int)96, ssrc=(uint)974675750, clock-base=(uint)4028785573, seqnum-base=(uint)25113'  come from udpsink debug info of pipeline on Leopard board

i get

WARNING: erroneous pipeline: could not parse caps "application/x-rtp\ media=(string)video\ clock-rate=(int)90000\ encoding-name=(string)H264\ sprop-parameter-sets=(string)"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQCgC3I\,aO48sA\=\="\ payload=(int)96\ ssrc=(uint)974675750\ clock-base=(uint)4028785573\ seqnum-base=(uint)25113"

and stop

if i remove " ssrc=(uint)3223104127\ clock-base=(uint)1993617712\ seqnum-base=(uint)14942" or i change (unit) to (gunit), the pipeline can run ,but

i get another error when i run leopard board pipeline and PC host pipelinw .the error is

dsp@dsp-desktop:~$ gst-launch udpsrc port=5000 ! 'application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQCgC3I\,aO48sA\=\=", payload=(int)96, ssrc=(guint)974675750, clock-base=(guint)4028785573, seqnum-base=(guint)25113' ! rtph264depay ! ffdec_h264 ! xvimagesink sync=false
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQCgC3I\\,aO48sA\\=\\=\", payload=(int)96, ssrc=(guint)974675750, clock-base=(guint)4028785573, seqnum-base=(guint)25113
/GstPipeline:pipeline0/GstRtpH264Depay:rtph264depay0.GstPad:src: caps = video/x-h264
/GstPipeline:pipeline0/GstRtpH264Depay:rtph264depay0.GstPad:sink: caps = application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQCgC3I\\,aO48sA\\=\\=\", payload=(int)96, ssrc=(guint)974675750, clock-base=(guint)4028785573, seqnum-base=(guint)25113
/GstPipeline:pipeline0/ffdec_h264:ffdec_h2640.GstPad:sink: caps = video/x-h264
/GstPipeline:pipeline0/ffdec_h264:ffdec_h2640.GstPad:src: caps = video/x-raw-yuv, width=(int)1280, height=(int)720, framerate=(fraction)25/1, format=(fourcc)I420, interlaced=(boolean)false
ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal data flow error.
Additional debug info:
gstbasesrc.c(2507): gst_base_src_loop (): /GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
streaming task paused, reason not-negotiated (-4)
Execution ended after 310527079 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
/GstPipeline:pipeline0/ffdec_h264:ffdec_h2640.GstPad:src: caps = NULL
/GstPipeline:pipeline0/ffdec_h264:ffdec_h2640.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstRtpH264Depay:rtph264depay0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstRtpH264Depay:rtph264depay0.GstPad:sink: caps = NULL
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = NULL
Setting pipeline to NULL ...
Freeing pipeline ...

and  PC host pipeline stop.

what's wrong?Anyone can comment ?

thanks for any light!