title: WARNING: erroneous pipeline: no element "srtserversink"
body: <p>I am using gstreamer to test SRT, like this</p>
  
  <blockquote>
    <p>gst-launch-1.0 v4l2src ! video/x-raw, height=1080, width=1920 \
        ! videoconvert ! x264enc tune=zerolatency ! video/x-h264, profile=high \
        ! mpegtsmux ! srtserversink uri=srt://:8888/  </p>
  </blockquote>
  
  <p>just got :</p>
  
  <blockquote>
    <p>WARNING: erroneous pipeline: no element "srtserversink"</p>
  </blockquote>
  
  <p>What do I miss?
  Thanks</p>