<div dir="ltr">what does this mean "

<span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13.44px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">appsrc in push vs pull mode" as spoken of in the thread in the article </span><div><span style="text-align:start;text-indent:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#000000" face="Verdana, Geneva, Helvetica, Arial, sans-serif"><span style="font-size:13.44px"><a href="http://gstreamer-devel.966125.n4.nabble.com/appsrc-usage-push-and-pull-mode-td4662768.html">http://gstreamer-devel.966125.n4.nabble.com/appsrc-usage-push-and-pull-mode-td4662768.html</a></span></font><br></span></div><div><span style="text-align:start;text-indent:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#000000" face="Verdana, Geneva, Helvetica, Arial, sans-serif"><span style="font-size:13.44px">James</span></font></span></div></div>