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!
![How to Create a Twitter Card]()
One of my favorite social APIs was the Open Graph API adopted by Facebook. Adding just a few META tags to each page allowed links to my article to be styled and presented the way I wanted them to, giving me a bit of control...
![Being a Dev Dad]()
I get asked loads of questions every day but I'm always surprised that they're rarely questions about code or even tech -- many of the questions I get are more about non-dev stuff like what my office is like, what software I use, and oftentimes...
![TextboxList for MooTools and jQuery by Guillermo Rauch]()
I'll be honest with you: I still haven't figured out if I like my MooTools teammate Guillermo Rauch. He's got a lot stacked up against him. He's from Argentina so I get IM'ed about 10 times a day about how great Lionel...
![Dynamic Waveform Visualizations with wavesurfer.js]()
Waveform images are an awesome addition to boring audio widgets. They can be functional as well as aesthetically pleasing, allowing users to navigate audio visually. I recently found wavesurfer.js, an amazing waveform image utility that uses to Web Audio API to create super customizable...