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<body class='hmmessage'><div dir='ltr'>Also I have been doing a number of patches to ensure that this works. In particular you may encounter <a href="https://bugzilla.gnome.org/show_bug.cgi?id=697672">https://bugzilla.gnome.org/show_bug.cgi?id=697672</a> - this generally causes you to see a single frame go through and then need to wait minutes until Chrome decides to send a keyframe.<br><br><div><div id="SkyDrivePlaceholder"></div>> From: santoscadenas@gmail.com<br>> Date: Mon, 1 Apr 2013 09:00:29 +0200<br>> Subject: Re: vp8dec not able to decode webrtc rtp stream<br>> To: gstreamer-devel@lists.freedesktop.org<br>> <br>> How are you generating the "unencrypted" WEBRTC stream?. Webrtc is<br>> normally encrypted, that is why you are getting this error. I've<br>> developed a plugin that can be used to send/receive webrtc. Currently<br>> I'm improving it to use a different srtp plugins but the work is not<br>> finished yet.<br>> <br>> Here is the link.<br>> <br>> https://code.google.com/p/kurento/source/checkout?repo=gst-plugins-webrtc<br>> <br>> Regards.<br>> <br>> <br>> 2013/3/8 Saurabh Sabnis <sausab@gmail.com>:<br>> > Hi,<br>> ><br>> > I am trying to capture an unencrypted RTP stream sent using WebRTC.<br>> > I am using following pipeline to decode the stream:<br>> ><br>> > GST_DEBUG=p*:5 gst-launch-1.0 -vvv udpsrc<br>> > caps="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)VP8-DRAFT-IETF-01,payload=(int)96"<br>> > port=56103 ! rtpvp8depay ! vp8dec ! autovideosink<br>> ><br>> > and I am getting the following error:<br>> ><br>> > "No keyframe, skipping"<br>> ><br>> > vp8enc uses VP8-IETF-DRAFT-01. Is WebRTC using a newer version of this draft<br>> > for encoding? Is that the reason why vp8dec is not able to decode the<br>> > packets?<br>> ><br>> ><br>> > Thanks and regards,<br>> > --<br>> > Saurabh Sabnis<br>> > Graduate Student<br>> > College of Computing<br>> > Georgia Institute of Technology<br>> > Atlanta, GA 30332-0280<br>> > ssabnis3@gatech.edu<br>> ><br>> > _______________________________________________<br>> > gstreamer-devel mailing list<br>> > gstreamer-devel@lists.freedesktop.org<br>> > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel<br>> ><br>> _______________________________________________<br>> gstreamer-devel mailing list<br>> gstreamer-devel@lists.freedesktop.org<br>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel<br></div> </div></body>
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