title: Youtube debug info field details
body: <p>I am just doing a r&amp;d on youtube video details. When we play a video in youtube and if we do right click, then we can see an option <em>called copy debug info</em>. If we copy that then there are lot of fields comes as below, I am just curious to know the details of these below fields.</p>
  <pre><code>{
    &quot;ns&quot;: &quot;yt&quot;,
    &quot;el&quot;: &quot;detailpage&quot;,
    &quot;cpn&quot;: &quot;TA1LSqRVROm9Q2rb&quot;,
    &quot;docid&quot;: &quot;tPDj7FhbUso&quot;,
    &quot;ver&quot;: 2,
    &quot;referrer&quot;: &quot;https://www.youtube.com/feed/history&quot;,
    &quot;cmt&quot;: &quot;208.944&quot;,
    &quot;ei&quot;: &quot;Ups5X-iDO8ng4-EP7o6KwAg&quot;,
    &quot;fmt&quot;: &quot;247&quot;,
    &quot;fs&quot;: &quot;0&quot;,
    &quot;rt&quot;: &quot;151.471&quot;,
    &quot;of&quot;: &quot;yuFWq23SkzutVGx461bO4g&quot;,
    &quot;euri&quot;: &quot;&quot;,
    &quot;lact&quot;: 7,
    &quot;cl&quot;: &quot;326301777&quot;,
    &quot;mos&quot;: 0,
    &quot;state&quot;: &quot;4&quot;,
    &quot;vm&quot;: &quot;CAEQARgEKiBsUmpoTXRxc1czUTVHZ2RJbmktOXBNdnY3X3JnV3ItNjoyQUdiNlo4T3BuV0tmTXhwbW5wWDZjUDA3X3JPYU5PXzVSd1Bha2szZE9jNEhCY0ZQTkE&quot;,
    &quot;volume&quot;: 100,
    &quot;subscribed&quot;: &quot;1&quot;,
    &quot;cbr&quot;: &quot;Chrome&quot;,
    &quot;cbrver&quot;: &quot;84.0.4147.125&quot;,
    &quot;c&quot;: &quot;WEB&quot;,
    &quot;cver&quot;: &quot;2.20200814.00.00&quot;,
    &quot;cplayer&quot;: &quot;UNIPLAYER&quot;,
    &quot;cos&quot;: &quot;Macintosh&quot;,
    &quot;cosver&quot;: &quot;10_15_6&quot;,
    &quot;hl&quot;: &quot;en_US&quot;,
    &quot;cr&quot;: &quot;IN&quot;,
    &quot;len&quot;: &quot;268.121&quot;,
    &quot;fexp&quot;: &quot;23744176,23804281,23839597,23856950,23857950,23858057,23859802,23862346,23868323,23880389,23882502,23883098,23884386,23890960,23895671,23900945,23907595,23911055,23915993,23916148,23918272,23918598,23927906,23928508,23930220,23931938,23934047,23934090,23934970,23936412,24631210,3300107,3300133,3300161,3313321,3316358,3316377,3317374,3317643,3318816,3318887,3318889,3319024,9405957,9449243&quot;,
    &quot;afmt&quot;: &quot;251&quot;,
    &quot;inview&quot;: &quot;NaN&quot;,
    &quot;vct&quot;: &quot;208.944&quot;,
    &quot;vd&quot;: &quot;268.121&quot;,
    &quot;vpl&quot;: &quot;207.000-208.944&quot;,
    &quot;vbu&quot;: &quot;204.000-268.121&quot;,
    &quot;vpa&quot;: &quot;1&quot;,
    &quot;vsk&quot;: &quot;0&quot;,
    &quot;ven&quot;: &quot;0&quot;,
    &quot;vpr&quot;: &quot;1&quot;,
    &quot;vrs&quot;: &quot;4&quot;,
    &quot;vns&quot;: &quot;2&quot;,
    &quot;vec&quot;: &quot;null&quot;,
    &quot;vemsg&quot;: &quot;&quot;,
    &quot;vvol&quot;: &quot;1&quot;,
    &quot;vdom&quot;: &quot;1&quot;,
    &quot;vsrc&quot;: &quot;1&quot;,
    &quot;vw&quot;: 1159,
    &quot;vh&quot;: 652,
    &quot;creationTime&quot;: 158827.80500000808,
    &quot;totalVideoFrames&quot;: 128,
    &quot;droppedVideoFrames&quot;: 0,
    &quot;corruptedVideoFrames&quot;: 0,
    &quot;lct&quot;: &quot;208.944&quot;,
    &quot;lsk&quot;: false,
    &quot;lmf&quot;: false,
    &quot;lbw&quot;: &quot;993748.652&quot;,
    &quot;lhd&quot;: &quot;0.057&quot;,
    &quot;lst&quot;: &quot;0.000&quot;,
    &quot;laa&quot;: &quot;itag=251,type=3,seg=26,range=3299085-3408885,time=260.0-268.1,off=0,len=109801,end=1,eos=1&quot;,
    &quot;lva&quot;: &quot;itag=247,type=3,seg=53,range=17411843-17472031,time=264.0-268.1,off=0,len=60189,end=1,eos=1&quot;,
    &quot;lar&quot;: &quot;itag=251,type=3,seg=26,range=3299085-3408885,time=260.0-268.1,off=0,len=109801,end=1,eos=1&quot;,
    &quot;lvr&quot;: &quot;itag=247,type=3,seg=53,range=17411843-17472031,time=264.0-268.1,off=0,len=60189,end=1,eos=1&quot;,
    &quot;lab&quot;: &quot;200.001-268.121&quot;,
    &quot;lvb&quot;: &quot;204.000-268.080&quot;,
    &quot;ismb&quot;: 3000000,
    &quot;relative_loudness&quot;: &quot;-5.140&quot;,
    &quot;optimal_format&quot;: &quot;720p&quot;,
    &quot;user_qual&quot;: &quot;auto&quot;,
    &quot;debug_videoId&quot;: &quot;tPDj7FhbUso&quot;,
    &quot;0sz&quot;: false,
    &quot;op&quot;: &quot;&quot;,
    &quot;yof&quot;: false,
    &quot;dis&quot;: &quot;&quot;,
    &quot;gpu&quot;: &quot;Intel(R)_UHD_Graphics_630&quot;,
    &quot;cgr&quot;: true,
    &quot;debug_playbackQuality&quot;: &quot;hd720&quot;,
    &quot;debug_date&quot;: &quot;Mon Aug 17 2020 02:19:46 GMT+0530 (India Standard Time)&quot;
  }
  </code></pre>
  <p>For an example - docid filed is known for the video Id of youtube. Like that I wanna know other field details. If anyone can help me with, that would be great..</p>