Create a Thumbnail From a Video with ffmpeg
Creating a thumbnail to represent a video is a frequent task when presenting media on a website. I previously created a shell script to create a preview video from a larger video, much like many adult sites provide. Let's view how we can create a preview thumbnail from a video!
Developers can use `ffmpeg, an incredible open source media utility, to create a thumbnail. To create a thumbnail from the first frame of a video, execute the following command:
ffmpeg -i input.webm -vf "select=eq(n\,34)" -vframes 1 thumbnail.png
Providing a video thumbnail is a great tool convert images into video views. You don't need fancy software and manual labor to create thumbnails -- use ffmpeg!
![fetch API]()
One of the worst kept secrets about AJAX on the web is that the underlying API for it, XMLHttpRequest, wasn't really made for what we've been using it for. We've done well to create elegant APIs around XHR but we know we can do better. Our effort to...
![9 More Mind-Blowing WebGL Demos]()
With Firefox OS, asm.js, and the push for browser performance improvements, canvas and WebGL technologies are opening a world of possibilities. I featured 9 Mind-Blowing Canvas Demos and then took it up a level with 9 Mind-Blowing WebGL Demos, but I want to outdo...
![Create Your Own Dijit CSS Theme with LESS CSS]()
The Dojo Toolkit seems to just get better and better. One of the new additions in Dojo 1.6 was the use of LESS CSS to create Dijit themes. The move to using LESS is a brilliant one because it makes creating your own Dijit theme...
![Create a Download Package Using MooTools Moousture]()
Zohaib Sibt-e-Hassan recently released a great mouse gestures library for MooTools called Moousture. Moousture allows you to trigger functionality by moving your mouse in specified custom patterns. Too illustrate Moousture's value, I've created an image download builder using Mooustures and PHP.
The XHTML
We provide...