vp8 video over rtp

Prasanth prasanth at adeptte.com
Sun Aug 7 21:56:06 PDT 2011

Hi All,

         I tried to stream vp8 video over rtp using rtpbin plugins of
Gstreamer . by looking out wordpress of devendra . The command is as follows

Receiving end

gst-launch -v gstrtpbin name=rtpbin udpsrc
ame=(string)VP8-DRAFT-0-3-2" port=5002 ! rtpbin.recv_rtp_sink_0 rtpbin. !
rtpvp8depay ! vp8dec ! ffmpegcolorspace ! autovideosink udpsrc port=5003 !
rtpbin.recv_rtcp_sink_0 rtpbin.send_rtcp_src_0 ! udpsink port=5007
host=localhost sync=false async=false

Sending end

gst-launch -v gstrtpbin name=rtpbin videotestsrc !
video/x-raw-rgb,framerate=30/1 ! ffmpegcolorspace ! vp8enc speed=2 !
rtpvp8pay ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink port=5002
host=localhost rtpbin.send_rtcp_src_0 ! udpsink port=5003 host=localhost
sync=false async=false udpsrc port=5007 ! rtpbin.recv_rtcp_sink_0


My doubt is :


Is this streaming over RTP is based on the RFC ? . If so based on what
RFC(payload format) it is streaming . I have checked the streamed rtp data ,
it completely mismatches with respect to the format given in VP8 DRAFT -02 .
Can any one help me .




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