I am using Jwplayer 6 Ad version for both flash as well as html5 player where flash player is working fine as well as pre-roll ads are coming but IOS/Android devices support Html5 player where pre-roll ads are displaying.
Player Configuration Support Link: http://www.longtailvideo.com/support/jw-player/jw-player-for-flash-v5/22644/using-the-html5-video-tag/
Issue: Pre-roll ads are not coming while playing videos on various IOS/Andriod devices in html5 player.
<script src='/jwplayer/jwplayer.js'></script>
<div id='vidShow' style='text-align:center'></div>
<video height='388' width='658' id='vidShow' autoplay autobuffer controls>
<source src='$videoURL' type='video/mp4'></video>
<script type='text/javascript'>
jwplayer.key='ZntNkhG6CqNXBkJnV4sYqVjYopC38oGcp0GjCQ==';
jwplayer('vidShow').setup({
modes: [
{ type: 'html5' },
{ type: 'flash', src: '/jwplayer/jwplayer.flash.swf' },
advertising: {
client: 'vast',
schedule: {
myPreroll:
{
offset: 'pre',
tag: 'http://xp1.zedo.com/jsc/c2/fns.vast?n=2135__amp__c=121/102__amp__d=22__amp__s=1__amp__v=vast2__amp__pu=__page-url____amp__ru=__referrer____amp__pw=__player-width____amp__ph=__player-height____amp__z=__random-number__'
}}}]
});
</script>