Does HTML5 video playback support the avi format

Question

I am wondering if the HTML5  lt video gt  tag now supports playback of  avi format video files

User · Answer

The HTML specification never specifies any content formats  That s not its job  There s plenty of standards organizations that are more qualified than the W3C to specify video formats   That s what content negotiation is for    The HTML specification doesn t specify any image formats for the  lt img gt  element  The HTML specification doesn t specify any style sheet languages for the  lt style gt  element  The HTML specification doesn t specify any scripting languages for the  lt script gt  element  The HTML specification doesn t specify any object formats for the  lt object gt  and embed elements  The HTML specification doesn t specify any audio formats for the  lt audio gt  element    Why should it specify one for the  lt video gt  element

User · Answer

The current HTML5 draft specification does not specify which video formats browsers should support in the video tag  User agents are free to support any video formats they feel are appropriate   http   en wikipedia org wiki HTML5 video

User · Answer

There are three formats with a reasonable level of support  H 264  MPEG-4 AVC   OGG Theora  VP3  and WebM  VP8   See the wiki linked by Sam for which browsers support which  you will typically need at least one of those plus Flash fallback   Whilst most browsers won t touch AVI  there are some browser builds that expose all the multimedia capabilities of the underlying OS to  lt video gt   These browser will indeed be able to play AVI  as long as they have matching codecs installed  AVI can contain about a million different video and audio formats   In particular Safari on OS X with QuickTime  or Konqi with GStreamer   Personally I think this is an absolutely disastrous idea  as it exposes a very large codec codebase to the net  a codebase that was mostly not written to be resistant to network attacks  One of the worst drawbacks of media player plugins was the huge number of security holes they made available to every web page exploit  Let s not make this mistake again

User · Answer

Short answer  No  Use WebM or Ogg instead   This article covers just about everything you need to know about the  lt video gt  element  including which browsers support which container formats and codecs

[video] Does HTML5 <video> playback support the .avi format?

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