Video recording included
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HTML Media Capture
We’ve been able to play video in the browser without a plugin for a couple of years now, and whilst there are still some codec annoyances, things appear to have settled down on the video front. The next step is adding resources to the video to make it more accessible and provide more options to the viewer. We currently have no means to provide information about what’s happening or being said in the video, which means the video isn’t very accessible and the user can’t easily navigate to a particular section of the video. Thankfully, there’s a new format specification in the works called WebVTT (Web Video Text Tracks) .
The last blog post in our Beyond HTML5-series, Beyond HTML5 - Implementing , showed how our implementations of the device element and Stream API in WebKit GTK+ enables you to capture video with, e.g., a Web Camera and display it in a standard HTML5 video element . That particular application was not very useful other than as a demo for the new components we added to WebKit, but it can also be seen as the start of a full duplex video chat web application. And that is exactly what this blog post will be about. Device Element and Stream API Improvements Before going into the newly implemented features, we should mention some improvements to the components demonstrated in the previous post. To start with, the device element now supports the type "media", in addition to "audio and "video", which allows the user to select input devices for audio and/or video.
Abstract This specification provides an API for representing file objects in web applications, as well as programmatically selecting them and accessing their data. This includes:
The page you are looking for is no longer available at this URL. Links to the multipage version of the specification are unfortunately likely to break over time. You might be able to find what you want from the contents page .
command is the abstraction behind menu items, buttons, and links. Once a command is defined, other parts of the interface can refer to the same command, allowing many access points to a single feature to share facets such as the Disabled State . User agents are encouraged to do this especially for commands that have Access Keys , as a way to advertise those keys to the user.
A vocabulary and associated APIs for HTML and XHTML W3C Candidate Recommendation 17 December 2012 4.8 Embedded content