<div dir="ltr">Thanks Wim for this information, it works fine :)<br><br>Sudarshan, I was able to encode the data in the file with the command that i used and terminate it with Ctrl+C. but as i was missing the container it didn't decode data correctly.<br> <br><br><div class="gmail_quote">On Mon, Sep 1, 2008 at 6:29 PM, Wim Taymans <span dir="ltr"><<a href="mailto:wim.taymans@gmail.com">wim.taymans@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div><div></div><div class="Wj3C7c">On Mon, 2008-09-01 at 18:11 +0530, Sachin Pandhare wrote:<br> > Hi,<br> > i was testing basic encode and decode chains.<br> ><br> > gst-launch videotestsrc ! ffmpegcolorspace ! theoraenc ! filesink<br> > location=/test_theoraenc.bin<br> <br> > this created a file.  then i tried<br> ><br> > gst-launch filesrc location=/test_theoraenc.bin ! theoradec !<br> > ffmpegcolorspace ! xvimagesink<br> ><br> > but this gave me following error:<br> > --------------------------------------------------------------------------------------------------<br> > ERROR: from element /pipeline0/theoradec0: Could not decode stream.<br> > Additional debug info:<br> > theoradec.c(1166): theora_handle_data_packet<br> > (): /pipeline0/theoradec0:<br> > no header sent yet<br> > --------------------------------------------------------------------------------------------------<br> ><br> > was there any mistake in my commands?<br> <br> </div></div>yes, theora is a format that should be encapsulated into a container<br> such as ogg, like this:<br> <br> gst-launch videotestsrc ! ffmpegcolorspace ! theoraenc ! oggmux !<br> filesink location=/test_theoraenc.ogg<br> <br> and to play it back:<br> <br> gst-launch filesrc location=/test_theoraenc.ogg ! oggdemux ! theoradec !<br> ffmpegcolorspace ! xvimagesink<br> <br> The reason is that theora relies on the container format to feed it<br> exactly one encoded frame, there are no fame markers in the raw theora<br> bitstream otherwise.<br> <font color="#888888"><br> Wim<br> </font><div><div></div><div class="Wj3C7c">><br> ><br> > Thanks,<br> > Sachin<br> ><br> > -------------------------------------------------------------------------<br> > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge<br> > Build the coolest Linux based applications with Moblin SDK & win great prizes<br> > Grand prize is a trip for two to an Open Source event anywhere in the world<br> > <a href="http://moblin-contest.org/redirect.php?banner_id=100&url=/" target="_blank">http://moblin-contest.org/redirect.php?banner_id=100&url=/</a><br> > _______________________________________________ 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><br> <br> <br> -------------------------------------------------------------------------<br> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge<br> Build the coolest Linux based applications with Moblin SDK & win great prizes<br> Grand prize is a trip for two to an Open Source event anywhere in the world<br> <a href="http://moblin-contest.org/redirect.php?banner_id=100&url=/" target="_blank">http://moblin-contest.org/redirect.php?banner_id=100&url=/</a><br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a><br> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> </div></div></blockquote></div><br></div>