<html> <head> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { font-size: 10pt; font-family:Verdana } </style> </head> <body class='hmmessage'> Hi Sudarshan, thank you again for the prompt response. I tried your suggestion but still got error. When i try the first suggestion, I got the following error:<br>WARNING: erroneous pipeline: could not parse caps "video/x-h263,width=176,height=144,framerate=25\"<br>And then I removed the space after 25 (the frame rate - please look at the suggested caps below) and got the following error: WARNING: erroneous pipeline: could not link rtph263pdepay0 to avimux0. It considers as if the caps is not there.<br><br>When I use the second suggestion again with the space after 263, i got the same kind of error as above. When i delete the space, I got the following error:<br>streaming task paused, reason not-negotiated (-4)<br><br>I don't know what is hapening.<br><br>BTW, on the sender side I used the following command:<br>gst-launch v4l2src ! video/x-raw-rgb,width=320,height=240 ! queue ! videorate ! video/x-raw-rgb,rate=15/1 ! ffmpegcolorspace! ffenc_h263p ! rtph263ppay ! udpsink port=5000<br><br>I hope this will give you the clue about the problem. I run the command on Ubuntu Interpid.<br><br>Thank you.<br><br>- Zelalem S. <br><br><br><hr id="stopSpelling">Date: Mon, 1 Jun 2009 13:52:34 +0530<br>From: bisht.sudarshan@gmail.com<br>To: gstreamer-devel@lists.sourceforge.net<br>Subject: Re: [gst-devel] How to save a stream from a network into a file<br><br><div>Hi ,</div> <div> </div> <div> for exapmle try these  :- </div> <div> </div> <div>         gst-launch-0.10 udpsrc port=5000 caps="application/x-rtp, media=(string)video,clock-rate=(int)90000, encoding-name=(string)H263-1998" num-buffers=5000 ! queue ! rtph263pdepay !  'video/x-h263,width=176,height=144,framerate=25 '   !    avimux ! filesink location=test.avi<br> <br>or </div> <div> </div> <div> gst-launch-0.10 udpsrc port=5000 caps="application/x-rtp, media=(string)video,clock-rate=(int)90000, encoding-name=(string)H263-1998" num-buffers=5000 ! queue ! rtph263pdepay !  'video/x-h263 '   !    avimux ! filesink location=test.avi<br> </div> <div> </div> <div> </div> <div> </div> <div> </div> <div class="EC_gmail_quote">On Mon, Jun 1, 2009 at 1:00 PM, Zelalem Sintayehu <span dir="ltr"><<a href="mailto:zelalems@hotmail.com">zelalems@hotmail.com</a>></span> wrote:<br> <blockquote class="EC_gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div>Hi Sudarshan, thank you for your prompt response. But, I am new to gstream and I think I don't understand your comment. Sorry to bother you again. I tried to set the caps property of the rtpdepayloader by putting caps="application/x-rtp, media...." for the rtph263pdepay element, but I get the following error: WARNING: erroneous pipeline: no property "caps" in element "rtph263pdepay0". So, do i need to include a new element in between the two elements (rtp263depay and avimux) or how can i provide caps? <br> <br>Thank you again for your assistance.<br><br>- Zelalem S. <br><br> <hr> Date: Sun, 31 May 2009 10:58:31 +0530<br>From: <a href="mailto:bisht.sudarshan@gmail.com">bisht.sudarshan@gmail.com</a><br>To: <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a><br> Subject: Re: [gst-devel] How to save a stream from a network into a file <div> <div></div> <div class="h5"><br><br><br>Hi, <div>          Hi ,,</div> <div>         Try providing caps between  rtph263pdepay and avimux .</div> <div><br></div> <div><br></div> <div><br> <div>On Sat, May 30, 2009 at 8:28 PM, Zelalem Sintayehu <span dir="ltr"><<a href="mailto:zelalems@hotmail.com">zelalems@hotmail.com</a>></span> wrote:<br> <blockquote style="border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div>Hi, I was trying to transfer video and audio using network. I used teh examples from the net to do that and succeeded. But now I wanted to save the stream into file and faced with some problem. Please look at the following command:<br> <br>gst-launch-0.10 udpsrc port=5000 caps="application/x-rtp, media=(string)video,clock-rate=(int)90000, encoding-name=(string)H263-1998" num-buffers=5000 ! queue ! rtph263pdepay ! ffdec_h263 ! xvimagesink   ----- this is what i used to accept and display a video stream. <br> <br>So, to save the stream into a file I changed the last two elements (the ffmpeg decoder and xvimake sink). I thought that since the packet coming from the other machine is already encoded in h263p codec, replacing these two elements  with the following elements would solve my problem: I used these elments: avimux ! filesink location=testnet.avi . That is, i connected the rtph263pdepay element to the avimux element and to the file sink element sequentially as follows. <br> <br> gst-launch-0.10 udpsrc port=5000 caps="application/x-rtp, media=(string)video,clock-rate=(int)90000, encoding-name=(string)H263-1998" num-buffers=5000 ! queue ! rtph263pdepay ! avimux ! filesink location=test.avi<br> <br>But I got an error, that says: streaming task paused, reason not-negotiated (-4)<br><br>Please help me on how I can save a stream. <br><br>Thank you.<br><br>- Zelalem S. <br><br><br><br> <hr> Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy! <a href="http://spaces.live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx&mkt=en-us">Try it!</a></div> <br>------------------------------------------------------------------------------<br>Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT<br>is a gathering of tech-side developers & brand creativity professionals. 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