HEVC patent? openess? (Video codec)

[Bernhard Reiter]

It seems a join venture of  Moving Picture Experts Group and  
ITU-T Video Coding Experts Group currently develops a new video
codes that among other things compresses twice as efficient as
h264: HEVC.
  https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding

As h264 had real patent pressures, and thus is hard to implement with all 
software freedom retained: What is the status of HEVC, that is supposed to 
become h265 regarding patents and openness?

If the video codes of WebM: VP8 or libvpx is a real competitor to h264,
what could be the next version that can compete with the claimed higher 
efficiency of HEVC?



-- 
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