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!
![Create Spinning Rays with CSS3: Revisited]()
![5 More HTML5 APIs You Didn’t Know Existed]()
The HTML5 revolution has provided us some awesome JavaScript and HTML APIs. Some are APIs we knew we've needed for years, others are cutting edge mobile and desktop helpers. Regardless of API strength or purpose, anything to help us better do our job is a...
![Duplicate the jQuery Homepage Tooltips Using Dojo]()
The jQuery homepage has a pretty suave tooltip-like effect as seen below:
Here's how to accomplish this same effect using Dojo.
The XHTML
The above HTML was taken directly from the jQuery homepage -- no changes.
The CSS
The above CSS has been slightly modified to match the CSS rules already...
![jQuery Countdown Plugin]()
You've probably been to sites like RapidShare and MegaUpload that allow you to download files but make you wait a specified number of seconds before giving you the download link. I've created a similar script but my script allows you to animate the CSS font-size...
