a easy to use preview thumbnail plugin of plyr player,not use the default preview thumbnail with vtt files
1.use modern browser
2.add plyr-plugin-thumbnail.js after main plyr js
<script src="path/to/plyr.js"></script>
<script src="path/to/plyr-plugin-thumbnail.js"></script>
<script>
const player = new Plyr('#player');
</script>
3.add thumbnail config
// your other configs
thumbnail:{
enabled:true,
pic_num: 184,// total thumbnail numbers
width: 178,// per thumbnail item width
height: 100,// per thumbnail item height
col: 7,// per thumbnail image columns
row: 7,// per thumbnail image rows
offsetX:0,
offsetY:0,
urls: ['https://cdn.plyr.io/static/demo/thumbs/100p-00001.jpg',
'https://cdn.plyr.io/static/demo/thumbs/100p-00002.jpg',
'https://cdn.plyr.io/static/demo/thumbs/100p-00003.jpg',
'https://cdn.plyr.io/static/demo/thumbs/100p-00004.jpg'] // thumbnail images
},
4.mouse hover to progress to see preview image