Thumbs over progress bar
Mouse over progressbar to see the time thumbnails once video started to play.
Code Source
<script>
var player = videojs('player_1');
player.nuevo({
slideImage: "images/sprite.jpg"
});
</script>
To learn what thumbs sprite image should be, what options are available check
Nuevodevel demo example and tutorial.
We also prepared a bash script to generate ready sprite image, which you can download free and use if you only have ffmpeg installed on server.