Some basic html5 video element events for google analytics. Tracks: play, pause, complete events.

videoTracking.js

// assumes jquery
$('video').on('pause play ended', function ( e ) {
    switch( e.type ) {
        case 'play':
            var percent = Math.round( e.target.currentTime / e.target.duration * 100 );
            ga('send', 'event', 'video', 'play', window.location.href, percent)
            break;
          
        case 'pause':
            var percent = Math.round( e.target.currentTime / e.target.duration * 100 );
            ga('send', 'event', 'video', 'pause', window.location.href, percent  )
            break;
          
        case 'ended':
            ga('send', 'event', 'video', 'completed', window.location.href  )
            break;
    }
});