Hi, gstreamer-devel:     You should consider an element named "gstrtpbin" and add "gstrtpbin" between udpsrc and decodebin. Eric Zhang <div class="gmail_quote">2008/12/19 Anand Sivaram <<a href="mailto:aspnair@gmail.com">aspnair@gmail.com</a>> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hello all, I am trying to play an h264/aac file streamed by VLC player using gstreamer. Since it was not getting played out, I also tried streaming an mpeg1/mp2 file. On the TX side I used vlc to stream the file using mpeg2-ts encapsulation vlc --mtu 1200 -vvv Videofile \  --sout '#duplicate{dst=rtp{mux=ts,dst=127.0.0.1,port=25000}}' where the Videofile could be an h264/aac (mp4 extension) file or an mpeg1/mp2 (mpg extension) file. On the RX side I started gst-launch gst-launch -v udpsrc port=25000 ! rtpmp2tdepay ! decodebin name=decoder \  decoder. ! ffmpegcolorspace ! autovideosink decoder. !  autoaudiosink (when streaming one mpg file) gst-launch -v udpsrc port=25000 ! rtph264depay ! decodebin name=decoder \  decoder. ! ffmpegcolorspace ! autovideosink decoder. !  autoaudiosink (when streaming one mp4 file) ------ This is what the observation is. When I stream somefile.mpg both video and audio outputs are extremely jittery. When I stream somefile.mp4 there is no video or audio outputs at all. Any idea why the mp4 stream is not getting played out?  Has anyone tried streaming from VLC to gstreamer? But, on the otherhand if VLC is used on the RX side vlc rtp://@:25000 everything is working. ------ == This is the output of gstreamer when I tried to stream somefile.mp4 sink=decodervrudecoder.r!=ffmpegcolorspacee!aautovideosink decoder. ! autoaudios Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstSystemClock /pipeline0/decoder/typefind.src: caps = video/mpegts, systemstream=(boolean)true, packetsize=(int)188 /pipeline0/decoder/flutsdemux0.sink: caps = video/mpegts, systemstream=(boolean)true, packetsize=(int)188 /pipeline0/decoder/flutsdemux0: pat-info = ((GValueArray*) 0x25fc660) /pipeline0/decoder/flutsdemux0: pmt-info = ((FluTsPmtInfo*) 0x25fc130) /pipeline0/decoder/queue0.sink: caps = audio/mpeg, mpegversion=(int)4 /pipeline0/decoder/queue0.src: caps = audio/mpeg, mpegversion=(int)4 /pipeline0/decoder/faad0.sink: caps = audio/mpeg, mpegversion=(int)4 /pipeline0/decoder/queue1.sink: caps = video/x-h264 /pipeline0/decoder/queue1.src: caps = video/x-h264 /pipeline0/decoder/ffdec_h2640.sink: caps = video/x-h264 /pipeline0/decoder/faad0.src: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 /pipeline0/autoaudiosink0/autoaudiosink0-actual-sink-alsa.sink: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 /pipeline0/autoaudiosink0.sink: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 /pipeline0/decoder.src0: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 /pipeline0/decoder.src0.proxypad3: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 /pipeline0/autoaudiosink0.sink: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 /pipeline0/autoaudiosink0.sink.proxypad2: caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2 Thanks and Regards Anand ------------------------------------------------------------------------------ _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> </blockquote></div>