Video Articles
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AV1: next generation video – The Constrained Directional Enhancement Filter
AV1 is a new general-purpose video codec developed by the Alliance for Open Media. The alliance began development of the new codec using Google’s VPX codecs, Cisco’s Thor codec, and Mozilla’s/Xiph.Org’s Daala codec as a starting point. AV1 leapfrogs the performance of VP9 and HEVC, making it a next-next-generation codec. Today's post is a deep-dive into the Constrained Directional Enhancement Filter and how it came to be.
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Optimizing JavaScript Performance With Firefox Dev Tools
The Performance tool in Firefox Developer Tools offers a great way to diagnose slow-running JavaScript and provides insight into the general responsiveness and layout performance of your web site. In this video screencast, I’ll go through the process of how to diagnose issues with slow code and how to fix those issues in your code. […]
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Firefox Development Highlights: video.playbackRate and download attribute
Here are the latest features in Firefox for developers, as part of our Bleeding Edge series, and most examples only work in Firefox Nightly (and could be subject to change). <video>: support for custom playbackRate Setting video.playbackRate changes the “video speed”. 1.0 is regular speed, 2.0 is 2 times faster. From the MDN documentation on […]
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Talking about HTML5 games development at MIT in Boston
As part of our university outreach programme, a few Mozilla people and volunteers went to Boston last week to give a series of lectures on web technologies for games development. During the week we covered topics like WebGL for 3D development, basics of JavaScript, debugging and performance, canvas development, offline development and local storage and […]
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Theora on N900
This is a re-post from Matthew Gregan’s personal weblog on the work that he’s been doing to bring HTML5 open video to mobile devices. Google recently announced funding for some work to bring Theora to ARM devices via a CPU-driven code path. Mozilla has been funding similar work over the last year or so to […]
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You can’t go wrong watching JavaScript talks
Late last week, I was collecting suggestions for year-end Hacks blog posts. As she headed out for the winter holidays, apps engineer Soledad Penadés gifted me “a bunch of cool talks I watched this year.” In fact, it’s a curated collection of presentations from JSConf, JSConf EU, and other recent developer conferences. Presenters include notable […]
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People of HTML5 – Remy Sharp
HTML5 needs spokespeople to work. There are a lot of people out there who took on this role, and here at Mozilla we thought it is a good idea to introduce some of them to you with a series of interviews and short videos. The format is simple – we send the experts 10 questions […]
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Fun With Fast JavaScript
This post is by Vladimir Vukićević and is a re-post from his personal weblog. Fast JavaScript is a cornerstone of the modern web. In the past, application authors had to wait for browser developers to implement any complex functionality in the browser itself, so that they could access it from script code. Today, many of […]
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arun talks about html5, fonts and india
Recently Arun Ranganathan, one of the members of the Mozilla Evangelism team, created a video for MozCamp Mumbai. It’s about 20 minutes long and he covers a huge number of topics: the new @font-face CSS property and how it affects the ability for people to receive properly localized content, the differences between the various standards […]
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It's a wrap! "App Basics for FirefoxOS" is out and ready to get you started
A week ago we announced a series of video tutorials around creating HTML5 apps for Firefox OS. Now we released all the videos and you can watch the series in one go. Photo by Olliver Hallmann The series is aimed at web developers who want to build their first HTML5 application. Specifically it is meant […]