eBay uses Shaka Player. In the network request tab look for playlist.mpd (example: https://video.ebaycdn.net/videos/v1/3bf030c01940a60dda114d36ffffc522/playlist.mpd)
<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-live:2011" type="static" mediaPresentationDuration="PT30.062S" minBufferTime="PT6S">
<ProgramInformation/>
<Period id="0" start="PT0S">
<AdaptationSet id="0" contentType="video" segmentAlignment="true" bitstreamSwitching="true" lang="und">
<Representation id="0" mimeType="video/mp4" codecs="avc1.64001e" bandwidth="2400000" width="1280" height="605" frameRate="81180000/2705609">