[LINK] iPad

Marghanita da Cruz marghanita at ramin.com.au
Thu Jan 28 16:30:11 AEDT 2010


Michael Still wrote:
> Robin Whittle wrote:
> 
>> I am glad it has no Adobe Flash.  Maybe this will reduce the use of
>> this much over-rated and over-used format, though if a browser has
>> it, it seems to be handy for video.  Is Quicktime a better
>> alternative?  I frequently find it frustrating and unreliable on WinXP.
> 
> Not commenting on Flash, but the future of video in browsers is HTML5.
> 
<snip>

HTML 5 hasn't specified a Video 
Codec/Format -
> The type  attribute gives the type of the media resource, to help the user agent determine if it can play this media resource before fetching it. If specified, its value must be a valid MIME type. The codecs  parameter may be specified and might be necessary to specify exactly how the resource is encoded. [RFC4281]
> 
> The following list shows some examples of how to use the codecs= MIME parameter in the type attribute.
> 
> H.264 Simple baseline profile video (main and extended video compatible) level 3 and Low-Complexity AAC audio in MP4 container
> 
>     <source src='video.mp4' type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
> 
> H.264 Extended profile video (baseline-compatible) level 3 and Low-Complexity AAC audio in MP4 container
> 
>     <source src='video.mp4' type='video/mp4; codecs="avc1.58A01E, mp4a.40.2"'>
> 
> H.264 Main profile video level 3 and Low-Complexity AAC audio in MP4 container
> 
>     <source src='video.mp4' type='video/mp4; codecs="avc1.4D401E, mp4a.40.2"'>
> 
> H.264 'High' profile video (incompatible with main, baseline, or extended profiles) level 3 and Low-Complexity AAC audio in MP4 container
> 
>     <source src='video.mp4' type='video/mp4; codecs="avc1.64001E, mp4a.40.2"'>
> 
> MPEG-4 Visual Simple Profile Level 0 video and Low-Complexity AAC audio in MP4 container
> 
>     <source src='video.mp4' type='video/mp4; codecs="mp4v.20.8, mp4a.40.2"'>
> 
> MPEG-4 Advanced Simple Profile Level 0 video and Low-Complexity AAC audio in MP4 container
> 
>     <source src='video.mp4' type='video/mp4; codecs="mp4v.20.240, mp4a.40.2"'>
> 
> MPEG-4 Visual Simple Profile Level 0 video and AMR audio in 3GPP container
> 
>     <source src='video.3gp' type='video/3gpp; codecs="mp4v.20.8, samr"'>
> 
> Theora video and Vorbis audio in Ogg container
> 
>     <source src='video.ogv' type='video/ogg; codecs="theora, vorbis"'>
> 
> Theora video and Speex audio in Ogg container
> 
>     <source src='video.ogv' type='video/ogg; codecs="theora, speex"'>
> 
> Vorbis audio alone in Ogg container
> 
>     <source src='audio.ogg' type='audio/ogg; codecs=vorbis'>
> 
> Speex audio alone in Ogg container
> 
>     <source src='audio.spx' type='audio/ogg; codecs=speex'>
> 
> FLAC audio alone in Ogg container
> 
>     <source src='audio.oga' type='audio/ogg; codecs=flac'>
> 
> Dirac video and Vorbis audio in Ogg container
> 
>     <source src='video.ogv' type='video/ogg; codecs="dirac, vorbis"'>
> 
> Theora video and Vorbis audio in Matroska container
> 
>     <source src='video.mkv' type='video/x-matroska; codecs="theora, vorbis"'>
> 
> The media attribute gives the intended media type of the media resource, to help the user agent determine if this media resource is useful to the user before fetching it. Its value must be a valid media query.
<http://dev.w3.org/html5/spec/Overview.html#attr-source-type>

Marghanita
-- 
Marghanita da Cruz
http://ramin.com.au
Tel: 0414-869202






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