Search Results for 'ffmpeg'
Search results for ffmpeg:
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...
How to Crop Videos
During a recent episode of the Script and Style podcast, I had noticed that the video recording had showed a bit of our internal chat that wasn't necessary for our viewers to see. While there's nothing wrong with giving viewers a peek into the show...
Set Video Playback Speed with JavaScript
I love that media has moved from custom plugins (Flash…gross) to basic HTML
<video>
and<audio>
elements. Treating these media sources as just another element allows us to use CSS filters to adjust display, for example. The less we need to do with...Convert Video to Grayscale
I'm a JavaScript fanatic but I've always been fascinated with media manipulation. Maybe it's because I've secretly always wanted to be a designer, but I'm fine with being able to manipulate art with software instead of create the art myself. One type of art I've always...
How to Reverse a Video
One of my favorite media utilities is ffmpeg. This command line utility allows us to do some pretty amazing stuff like;Slice videosConvert video formatsModify video speedCombine audio and videoEvery once in a while I see a meme or funny video that...
Detect Video Resolution
Video resolution has always been something I've been interested in, starting with the purchase of my first HD television. The HD video quality felt life-changing, especially when watching the World Cup, which I'd bought that TV for. I carried that enthusiasm through to being an early...
Image and Video Conversion with Cloudinary
I've always been fascinated with media formats and converting both images and video from one format to another. Media conversion allows us to play videos on devices or apps with picky media requirements and load optimized formats for faster download speed. I've written several media-related...
Create a Waveform Image with ffmpeg
Waveform images have a variety of uses and I've started seeing waveform images overlaying at the bottom of videos. That type of feature seems useful if you want to see identify music in a video or specific spaces in a video which feature action. If you're...
Create Aliases in Bash
Every developer likes a shortcut -- they're what make us more efficient in our work. Of course there are good shortcuts and bad shortcuts (lazy coding, lack of security review, etc.), but let's stick with the positive and talk about a good shortcut: bash aliases. We all have commands...
Create Short Preview from Video
Displaying a preview image before loading a video is common practice with web media these days; oftentimes that image preview is the video's first frame or an important frame from the video. If you've visited an adult site recently (ahem), you will have noticed that not only do you get a preview image...