Just try : In receiver side pipeline is ./gst-launch-0.10 udpsrc port=5000 caps="application/x-rtp, media=(string)video,clock-<div id=":zx" class="ii gt">rate=(int)90000, encoding-name=(string)H263-1998" ! rtph263pdepay ! ffdec_h263 ! sdlvideosink sync=false { udpsrc port=6000 caps="application/x-rtp, media=(string)audio, clock-rate=(int)8000, encoding-name=(string)VORBIS, encoding-params=(string)1, configuration=(string)\" STRING" ! rtpvorbisdepay ! vorbisdec ! audioconvert ! osssink sync=TRUE video is working!! not able hear sound !!!</div> <div class="gmail_quote">On Wed, Apr 1, 2009 at 2:14 PM, vaisakh.n <<a href="mailto:vaisakh.n@nestgroup.net">vaisakh.n@nestgroup.net</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi, I was trying to implement videoconferencing through gstreamer for that In sender side i ran the pipeline like this /*****************/ ./gst-launch -v v4lsrc name=source ! tee name=t t. ! queue ! ffenc_h263p ! rtph263ppay ! udpsink host=10.1.11.33 port=5000 t. ! queue ! ffmpegcolorspace ! sdlvideosink osssrc ! audio/x-raw-int,rate=8000,channels=1,depth=16 ! audioconvert ! vorbisenc ! rtpvorbispay ! udpsink host=10.1.11.33 port=6000 /**************************/ In receiver side pipeline is ./gst-launch-0.10 udpsrc port=5000 caps="application/x-rtp, media=(string)video,clock-rate=(int)90000, encoding-name=(string)H263-1998" ! rtph263pdepay ! ffdec_h263 ! sdlvideosink sync=false { udpsrc port=6000 caps="application/x-rtp, media=(string)audio, clock-rate=(int)8000, encoding-name=(string)VORBIS, encoding-params=(string)1, configuration=(string)\" STRING" ! rtpvorbisdepay ! vorbisdec ! audioconvert ! osssink sync=false video is working!! not able hear sound !!! AND IN RECEIVER SIDE /***********************/ dropped 64 samples /GstPipeline:pipeline0/GstVorbisEnc:vorbisenc0: last-message = "encoding at quality level 0.30" WARNING: from element /GstPipeline:pipeline0/GstOssSrc:osssrc0: Can't record audio fast enough Additional debug info: gstbaseaudiosrc.c(806): gst_base_audio_src_create (): /GstPipeline:pipeline0/GstOssSrc:osssrc0: dropped 256 samples /GstPipeline:pipeline0/GstVorbisEnc:vorbisenc0: last-message = "encoding at quality level 0.30" /**************************/ Getting this warning continuously and sound is full of disturbance ***** Confidentiality Statement/Disclaimer ***** This message and any attachments is intended for the sole use of the intended recipient. It may contain confidential information. Any unauthorized use, dissemination or modification is strictly prohibited. If you are not the intended recipient, please notify the sender immediately then delete it from all your systems, and do not copy, use or print. Internet communications are not secure and it is the responsibility of the recipient to make sure that it is virus/malicious code exempt. The company/sender cannot be responsible for any unauthorized alterations or modifications made to the contents. If you require any form of confirmation of the contents, please contact the company/sender. The company/sender is not liable for any errors or omissions in the content of this message. ***** Confidentiality Statement/Disclaimer ***** This message and any attachments is intended for the sole use of the intended recipient. It may contain confidential information. Any unauthorized use, dissemination or modification is strictly prohibited. If you are not the intended recipient, please notify the sender immediately then delete it from all your systems, and do not copy, use or print. Internet communications are not secure and it is the responsibility of the recipient to make sure that it is virus/malicious code exempt. The company/sender cannot be responsible for any unauthorized alterations or modifications made to the contents. If you require any form of confirmation of the contents, please contact the company/sender. The company/sender is not liable for any errors or omissions in the content of this message. ------------------------------------------------------------------------------ _______________________________________________ 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> -- Thanx & Regards Ajay Gautam +91-9717785580