Hi. You have to change it on assets/js/_app.js. It is on line $('.js-video').vide('tmp/video', { ...
in this example you have to put files in tmp/ folder like video.mp4 , video.webm and video.ogv
but preview template load minified app.js file, so you need to create new min version, or you have to load full version of javascript change this <script src="assets/js/app.min.js"></script> to <script src="assets/js/_app.js"></script> in case that you will not create minified file
Where can I change the video on the […]
$('.js-video').vide('tmp/video', { ...
in this example you have to put files in tmp/ folder like video.mp4 , video.webm and video.ogv
but preview template load minified app.js file, so you need to create new min version, or you have to load full version of javascript
change this <script src="assets/js/app.min.js"></script> to <script src="assets/js/_app.js"></script>
in case that you will not create minified file
Let me know if you any troubles with it