Re: Why Our Civilization's Video Art and Culture is Threatened by the MPEG-LA

Also the people form Elphel are working in a cinema camera:
http://cinema.elphel.com/

2010/5/4 Sergey Kurdakov <[email protected]>

> Hi All,
>
> On camera issue
>
>
> few additional thoughts.
>
> there are efforts to create open source camera
>
>
> http://news.stanford.edu/news/2009/august31/levoy-opensource-camera-090109.html
>
> and as we know - digital camera is well suited to capture video ( many
> cams have camcoder feature ).
>
> then, next step it looks like  on 4 core Cortex-A9 MPCore   it is
> possible to encode even 1080p video.
>
> so the steps could be - look closely at arm codec, help to develop
> multithreaded capability, contact those developing open source camera
> and combine video encoding part with their efforts.
>
> another issue might be moving step by step: offer net web cam
> producers ability to stream in theora ( though fixing rtsp stream will
> be needed ) - at least - the more theora is used, the better.
>
> as for patent claims - so far nothing except threats.
>
> basic features - like DCT, I frames, motion estimation etc - are well
> outside patent time frame.
> then VP3 appeared in 2000 - so any futher patents will have a well
> established prior art.
>
> now - there are no known patents since 1993 to 2000 which VP3/theora
> might infringe.
>
> so let us wait and if any threat - fight.
>
> but - the idea to create open source camcoder should move and theora
> is a great candidate for being a base codec for that.
>
> regards
> Sergey
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>

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