What happens on iPad? Still in its infancy. Stanford Science dept - students crank up speed of class videos to watch an hour video in 40 min.įorrest: we caption all our videos for SEO and searching. content navigation by content structure - move forward into erd paragraph of 3rd chapter, say. clear audio for hard of hearing, remove any background noise extended video descriptions (inserting audio description in-between dialog parts) screen readers can be up to twice as fast as normal speech (120 words/minute) described video (BBC must provide 10% of their content with descriptive audio for the visually impaired) - Disney did this with Shrek, so blind people could "see" it. sign languages: American, English, Australian, etc. We've only seen the tip of the iceberg on video use. In comparing html5 video to Flash - Flash eats up battery life, code is ugly, lack accessibility. Lots of tools out there, but serving native code will require all 3 Codecs, and have essentially 3 revs of the video.įorrest: Why use HTML5 - why convert my 2,000 videos? The primary reason today is the support of iOS devices. Third parties will probably put this in, though generic Windows might not. End-user will need to download this for IE9 though. ogg Wrapper - Google bought this, but original devs stepped away.Īpple has a lot invested in H.264. webm - Wrapper Chrome Firefox Opera - must have the recent browser revs. Real problem - Mozilla is non-profit - goes against their charter to pay royalties. mp4 - wrapper Safari IE (the go-to standard) (recently Google said they won't support this in the future) (so where in the tool chain, someone has to pay for the license. May 2010 - Google WebM Video Standard - immediate support for Chrome and Operaĭemo of videos in containers - 6 different ones March 2009 - Safari4 adds native support. Opera browser: Anne van Kesteren - HTML5 should work like an object with special video semantics.Īllows for playback of video on a webpage without special plugins, etc. Over past 5 years, steady growth in video and need for accessibility. Q: Any particular source on take-up of HTML5? Is there a good objective source?Ī: The Definitive Guide to HTML5 Video - Silvia Pfeiffer (Amazon) & - not totally unbiased, but at least labelled opinion, just get stuff done, what works. Question of which browsers supported? See Wikipedia page on HTML5 Video: Welcome from Forrest: bottom-up kind of group - discussion-based talking about issues that people have. Through our investigation, we found that HTML5 spec isn't full baked yet, but does have huge potential and adoption will only grow with time. Want to try a quick experiment yourself? Download the free Miro video converter: Įxport to "WebM" format and use the following html code to test playback in your favorite browser.Ī huge thanks to John Foliot for presenting on the topic of html5 video.įorrest: The reason why we started investigating the use of html5 video was our desire to support video playback on the iPad. Note the ability to playback the video at 1.5x or 2x speed, and display the captions as a clickable transcript.Ĭheck out the demo and toggle between flash and html5 video: If you're viewing a video on youtube, add the following parameter to the url to force it to playback in html5: &html5=True = Here are a couple of quick tips to get your feet wet with html5 video = Meeting notes from VMG meeting held on March 7, 2011.
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