Chromium Blog
News and developments from the open source browser project
Supporting new media experiences on the web
martes, 2 de octubre de 2012
In recent years, video has taken a central role on the web. Developers are using the latest web technologies to make it easier for users to access, watch, and create video content. Today’s
Chrome Beta
update includes more tools for developers to take video engagement to the next level.
Chrome now includes the
PeerConnection API
, which allows developers to create web apps with real-time audio and video calling without the need for a plug-in. Together, PeerConnection and the
getUserMedia API
represent the next steps in
WebRTC
, a new standard which aims to allow high quality video, audio, and data communications on the web. Check out this funky video chat
demo
to see how the PeerConnection API can be combined with other web technologies to create fun new video chat experiences. To start the video chat demo, send the url to a friend.
Today’s Chrome Beta update also includes
track
support for HTML5 video. Track support provides an easy, standard way to add subtitles, captions, descriptions, chapters, and metadata to videos. It can be used to make videos accessible, split videos into sections, and create new unique video experiences. Track provides developers with a unified, programmatic mechanism for doing all these things in the HTML DOM and Javascript. In the following
demo
, track is used to enhance a video of a bike ride with metadata including a Google Map showing the biker’s route and Google Street View from the biker’s location.
Last but not least, we’ve added the
MediaSource API
. It provides a video playback solution that adapts video quality based on changing computer and network conditions to prevent excessive buffering and startup delays for videos -- in other words, your video will play silky smooth for users with no annoying stutters. Watch how smooth this
demo video
plays despite fluctuations in your network speed.
To get your hands on all this tasty video goodness, download
Chrome Beta
.
Posted by Justin Uberti, Software Engineer and Trained Video Professional
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